diff --git a/.gitignore b/.gitignore index 0e71421ee7..21586748b7 100644 --- a/.gitignore +++ b/.gitignore @@ -66,3 +66,10 @@ jmeter/src/main/resources/*-JMeter.csv **/nb-configuration.xml core-scala/.cache-main core-scala/.cache-tests + + +persistence-modules/hibernate5/transaction.log +apache-avro/src/main/java/com/baeldung/avro/model/ +jta/transaction-logs/ +software-security/sql-injection-samples/derby.log +spring-soap/src/main/java/com/baeldung/springsoap/gen/ \ No newline at end of file diff --git a/JGit/pom.xml b/JGit/pom.xml index 176d55d321..deae1e45e3 100644 --- a/JGit/pom.xml +++ b/JGit/pom.xml @@ -5,9 +5,9 @@ com.baeldung JGit 1.0-SNAPSHOT + JGit jar http://maven.apache.org - JGit com.baeldung diff --git a/README.md b/README.md index f3fe5e3bf0..378d77196a 100644 --- a/README.md +++ b/README.md @@ -14,7 +14,7 @@ Java and Spring Tutorials ================ This project is **a collection of small and focused tutorials** - each covering a single and well defined area of development in the Java ecosystem. -A strong focus of these is, of course, the Spring Framework - Spring, Spring Boot and Spring Securiyt. +A strong focus of these is, of course, the Spring Framework - Spring, Spring Boot and Spring Security. In additional to Spring, the following technologies are in focus: `core Java`, `Jackson`, `HttpClient`, `Guava`. diff --git a/Twitter4J/pom.xml b/Twitter4J/pom.xml index 982c1adc23..b82b9f6778 100644 --- a/Twitter4J/pom.xml +++ b/Twitter4J/pom.xml @@ -2,8 +2,8 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> 4.0.0 Twitter4J - jar Twitter4J + jar com.baeldung diff --git a/akka-http/README.md b/akka-http/README.md new file mode 100644 index 0000000000..3831b5079f --- /dev/null +++ b/akka-http/README.md @@ -0,0 +1,3 @@ +## Relevant articles: + +- [Introduction to Akka HTTP](https://www.baeldung.com/akka-http) diff --git a/akka-http/pom.xml b/akka-http/pom.xml new file mode 100644 index 0000000000..6d73f2f2e6 --- /dev/null +++ b/akka-http/pom.xml @@ -0,0 +1,47 @@ + + + + 4.0.0 + akka-http + akka-http + + + parent-modules + com.baeldung + 1.0.0-SNAPSHOT + + + + + com.typesafe.akka + akka-http_2.12 + ${akka.http.version} + + + com.typesafe.akka + akka-stream_2.12 + ${akka.stream.version} + + + com.typesafe.akka + akka-http-jackson_2.12 + ${akka.http.version} + + + com.typesafe.akka + akka-http-testkit_2.12 + ${akka.http.version} + test + + + + + UTF-8 + UTF-8 + 10.0.11 + 2.5.11 + + diff --git a/akka-http/src/main/java/com/baeldung/akkahttp/User.java b/akka-http/src/main/java/com/baeldung/akkahttp/User.java new file mode 100644 index 0000000000..43c21eca62 --- /dev/null +++ b/akka-http/src/main/java/com/baeldung/akkahttp/User.java @@ -0,0 +1,26 @@ +package com.baeldung.akkahttp; + +public class User { + + private final Long id; + + private final String name; + + public User() { + this.name = ""; + this.id = null; + } + + public User(Long id, String name) { + this.name = name; + this.id = id; + } + + public String getName() { + return name; + } + + public Long getId() { + return id; + } +} \ No newline at end of file diff --git a/akka-http/src/main/java/com/baeldung/akkahttp/UserActor.java b/akka-http/src/main/java/com/baeldung/akkahttp/UserActor.java new file mode 100644 index 0000000000..431014a88b --- /dev/null +++ b/akka-http/src/main/java/com/baeldung/akkahttp/UserActor.java @@ -0,0 +1,41 @@ +package com.baeldung.akkahttp; + +import akka.actor.AbstractActor; +import akka.actor.Props; +import akka.japi.pf.FI; +import com.baeldung.akkahttp.UserMessages.ActionPerformed; +import com.baeldung.akkahttp.UserMessages.CreateUserMessage; +import com.baeldung.akkahttp.UserMessages.GetUserMessage; + + +class UserActor extends AbstractActor { + + private UserService userService = new UserService(); + + static Props props() { + return Props.create(UserActor.class); + } + + @Override + public Receive createReceive() { + return receiveBuilder() + .match(CreateUserMessage.class, handleCreateUser()) + .match(GetUserMessage.class, handleGetUser()) + .build(); + } + + private FI.UnitApply handleCreateUser() { + return createUserMessageMessage -> { + userService.createUser(createUserMessageMessage.getUser()); + sender().tell(new ActionPerformed(String.format("User %s created.", createUserMessageMessage.getUser() + .getName())), getSelf()); + }; + } + + private FI.UnitApply handleGetUser() { + return getUserMessageMessage -> { + sender().tell(userService.getUser(getUserMessageMessage.getUserId()), getSelf()); + }; + } + +} diff --git a/akka-http/src/main/java/com/baeldung/akkahttp/UserMessages.java b/akka-http/src/main/java/com/baeldung/akkahttp/UserMessages.java new file mode 100644 index 0000000000..995b92bcb0 --- /dev/null +++ b/akka-http/src/main/java/com/baeldung/akkahttp/UserMessages.java @@ -0,0 +1,49 @@ +package com.baeldung.akkahttp; + +import java.io.Serializable; + +public interface UserMessages { + + class ActionPerformed implements Serializable { + + private static final long serialVersionUID = 1L; + + private final String description; + + public ActionPerformed(String description) { + this.description = description; + } + + public String getDescription() { + return description; + } + } + + class CreateUserMessage implements Serializable { + + private static final long serialVersionUID = 1L; + private final User user; + + public CreateUserMessage(User user) { + this.user = user; + } + + public User getUser() { + return user; + } + } + + class GetUserMessage implements Serializable { + private static final long serialVersionUID = 1L; + private final Long userId; + + public GetUserMessage(Long userId) { + this.userId = userId; + } + + public Long getUserId() { + return userId; + } + } + +} diff --git a/akka-http/src/main/java/com/baeldung/akkahttp/UserServer.java b/akka-http/src/main/java/com/baeldung/akkahttp/UserServer.java new file mode 100644 index 0000000000..0c1dbd1f60 --- /dev/null +++ b/akka-http/src/main/java/com/baeldung/akkahttp/UserServer.java @@ -0,0 +1,70 @@ +package com.baeldung.akkahttp; + +import java.util.Optional; +import java.util.concurrent.CompletionStage; +import java.util.concurrent.TimeUnit; + +import akka.actor.ActorRef; +import akka.actor.ActorSystem; +import akka.http.javadsl.marshallers.jackson.Jackson; +import akka.http.javadsl.model.StatusCodes; +import akka.http.javadsl.server.HttpApp; +import akka.http.javadsl.server.Route; +import akka.pattern.PatternsCS; +import akka.util.Timeout; +import com.baeldung.akkahttp.UserMessages.ActionPerformed; +import com.baeldung.akkahttp.UserMessages.CreateUserMessage; +import com.baeldung.akkahttp.UserMessages.GetUserMessage; +import scala.concurrent.duration.Duration; +import static akka.http.javadsl.server.PathMatchers.*; + +class UserServer extends HttpApp { + + private final ActorRef userActor; + + Timeout timeout = new Timeout(Duration.create(5, TimeUnit.SECONDS)); + + UserServer(ActorRef userActor) { + this.userActor = userActor; + } + + @Override + public Route routes() { + return path("users", this::postUser) + .orElse(path(segment("users").slash(longSegment()), id -> + route(getUser(id)))); + } + + private Route getUser(Long id) { + return get(() -> { + CompletionStage> user = PatternsCS.ask(userActor, new GetUserMessage(id), timeout) + .thenApply(obj -> (Optional) obj); + + return onSuccess(() -> user, performed -> { + if (performed.isPresent()) + return complete(StatusCodes.OK, performed.get(), Jackson.marshaller()); + else + return complete(StatusCodes.NOT_FOUND); + }); + }); + } + + private Route postUser() { + return route(post(() -> entity(Jackson.unmarshaller(User.class), user -> { + CompletionStage userCreated = PatternsCS.ask(userActor, new CreateUserMessage(user), timeout) + .thenApply(obj -> (ActionPerformed) obj); + + return onSuccess(() -> userCreated, performed -> { + return complete(StatusCodes.CREATED, performed, Jackson.marshaller()); + }); + }))); + } + + public static void main(String[] args) throws Exception { + ActorSystem system = ActorSystem.create("userServer"); + ActorRef userActor = system.actorOf(UserActor.props(), "userActor"); + UserServer server = new UserServer(userActor); + server.startServer("localhost", 8080, system); + } + +} diff --git a/akka-http/src/main/java/com/baeldung/akkahttp/UserService.java b/akka-http/src/main/java/com/baeldung/akkahttp/UserService.java new file mode 100644 index 0000000000..50dc1e1b28 --- /dev/null +++ b/akka-http/src/main/java/com/baeldung/akkahttp/UserService.java @@ -0,0 +1,35 @@ +package com.baeldung.akkahttp; + +import java.util.ArrayList; +import java.util.List; +import java.util.Optional; + +public class UserService { + + private final static List users = new ArrayList<>(); + + static { + users.add(new User(1l, "Alice")); + users.add(new User(2l, "Bob")); + users.add(new User(3l, "Chris")); + users.add(new User(4l, "Dick")); + users.add(new User(5l, "Eve")); + users.add(new User(6l, "Finn")); + } + + public Optional getUser(Long id) { + return users.stream() + .filter(user -> user.getId() + .equals(id)) + .findFirst(); + } + + public void createUser(User user) { + users.add(user); + } + + public List getUsers(){ + return users; + } + +} diff --git a/akka-http/src/test/java/com/baeldung/akkahttp/UserServerUnitTest.java b/akka-http/src/test/java/com/baeldung/akkahttp/UserServerUnitTest.java new file mode 100644 index 0000000000..1170a2d761 --- /dev/null +++ b/akka-http/src/test/java/com/baeldung/akkahttp/UserServerUnitTest.java @@ -0,0 +1,50 @@ +package com.baeldung.akkahttp; + +import akka.actor.ActorRef; +import akka.actor.ActorSystem; +import akka.http.javadsl.model.ContentTypes; +import akka.http.javadsl.model.HttpEntities; +import akka.http.javadsl.model.HttpRequest; +import akka.http.javadsl.testkit.JUnitRouteTest; +import akka.http.javadsl.testkit.TestRoute; +import org.junit.Test; + +public class UserServerUnitTest extends JUnitRouteTest { + + ActorSystem system = ActorSystem.create("helloAkkaHttpServer"); + + ActorRef userActorRef = system.actorOf(UserActor.props(), "userActor"); + + TestRoute appRoute = testRoute(new UserServer(userActorRef).routes()); + + @Test + public void whenRequest_thenActorResponds() { + + appRoute.run(HttpRequest.GET("/users/1")) + .assertEntity(alice()) + .assertStatusCode(200); + + appRoute.run(HttpRequest.GET("/users/42")) + .assertStatusCode(404); + + appRoute.run(HttpRequest.DELETE("/users/1")) + .assertStatusCode(200); + + appRoute.run(HttpRequest.DELETE("/users/42")) + .assertStatusCode(200); + + appRoute.run(HttpRequest.POST("/users") + .withEntity(HttpEntities.create(ContentTypes.APPLICATION_JSON, zaphod()))) + .assertStatusCode(201); + + } + + private String alice() { + return "{\"id\":1,\"name\":\"Alice\"}"; + } + + private String zaphod() { + return "{\"id\":42,\"name\":\"Zaphod\"}"; + } + +} diff --git a/algorithms-genetic/pom.xml b/algorithms-genetic/pom.xml index fc6d36dac1..56f6a31525 100644 --- a/algorithms-genetic/pom.xml +++ b/algorithms-genetic/pom.xml @@ -54,7 +54,6 @@ - 1.16.12 3.6.1 3.7.0 3.9.0 diff --git a/algorithms-miscellaneous-1/README.md b/algorithms-miscellaneous-1/README.md index a725bbd141..ea6d6f379b 100644 --- a/algorithms-miscellaneous-1/README.md +++ b/algorithms-miscellaneous-1/README.md @@ -12,4 +12,9 @@ - [Check If a String Contains All The Letters of The Alphabet](https://www.baeldung.com/java-string-contains-all-letters) - [Find the Middle Element of a Linked List](http://www.baeldung.com/java-linked-list-middle-element) - [Calculate Factorial in Java](https://www.baeldung.com/java-calculate-factorial) -- [Find Substrings That Are Palindromes in Java](https://www.baeldung.com/java-palindrome-substrings) \ No newline at end of file +- [Find Substrings That Are Palindromes in Java](https://www.baeldung.com/java-palindrome-substrings) +- [Find the Longest Substring without Repeating Characters](https://www.baeldung.com/java-longest-substring-without-repeated-characters) +- [Java Two Pointer Technique](https://www.baeldung.com/java-two-pointer-technique) +- [Permutations of an Array in Java](https://www.baeldung.com/java-array-permutations) +- [Implementing Simple State Machines with Java Enums](https://www.baeldung.com/java-enum-simple-state-machine) +- [Generate Combinations in Java](https://www.baeldung.com/java-combinations-algorithm) diff --git a/algorithms-miscellaneous-1/pom.xml b/algorithms-miscellaneous-1/pom.xml index 5006670dd9..30130208f8 100644 --- a/algorithms-miscellaneous-1/pom.xml +++ b/algorithms-miscellaneous-1/pom.xml @@ -39,6 +39,11 @@ ${org.assertj.core.version} test + + com.github.dpaukov + combinatoricslib3 + 3.3.0 + @@ -74,11 +79,10 @@ - 1.16.12 3.6.1 3.9.0 1.11 - 25.1-jre + 27.0.1-jre \ No newline at end of file diff --git a/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/combination/ApacheCommonsCombinationGenerator.java b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/combination/ApacheCommonsCombinationGenerator.java new file mode 100644 index 0000000000..40142ce940 --- /dev/null +++ b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/combination/ApacheCommonsCombinationGenerator.java @@ -0,0 +1,29 @@ +package com.baeldung.algorithms.combination; + +import java.util.Arrays; +import java.util.Iterator; + +import org.apache.commons.math3.util.CombinatoricsUtils; + +public class ApacheCommonsCombinationGenerator { + + private static final int N = 6; + private static final int R = 3; + + /** + * Print all combinations of r elements from a set + * @param n - number of elements in set + * @param r - number of elements in selection + */ + public static void generate(int n, int r) { + Iterator iterator = CombinatoricsUtils.combinationsIterator(n, r); + while (iterator.hasNext()) { + final int[] combination = iterator.next(); + System.out.println(Arrays.toString(combination)); + } + } + + public static void main(String[] args) { + generate(N, R); + } +} \ No newline at end of file diff --git a/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/combination/CombinatoricsLibCombinationGenerator.java b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/combination/CombinatoricsLibCombinationGenerator.java new file mode 100644 index 0000000000..0afdeefb8b --- /dev/null +++ b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/combination/CombinatoricsLibCombinationGenerator.java @@ -0,0 +1,13 @@ +package com.baeldung.algorithms.combination; + +import org.paukov.combinatorics3.Generator; + +public class CombinatoricsLibCombinationGenerator { + + public static void main(String[] args) { + Generator.combination(0, 1, 2, 3, 4, 5) + .simple(3) + .stream() + .forEach(System.out::println); + } +} diff --git a/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/combination/GuavaCombinationsGenerator.java b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/combination/GuavaCombinationsGenerator.java new file mode 100644 index 0000000000..d2783881ba --- /dev/null +++ b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/combination/GuavaCombinationsGenerator.java @@ -0,0 +1,17 @@ +package com.baeldung.algorithms.combination; + +import java.util.Arrays; +import java.util.Set; + +import com.google.common.collect.ImmutableSet; +import com.google.common.collect.Sets; + +public class GuavaCombinationsGenerator { + + public static void main(String[] args) { + + Set> combinations = Sets.combinations(ImmutableSet.of(0, 1, 2, 3, 4, 5), 3); + System.out.println(combinations.size()); + System.out.println(Arrays.toString(combinations.toArray())); + } +} diff --git a/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/combination/IterativeCombinationGenerator.java b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/combination/IterativeCombinationGenerator.java new file mode 100644 index 0000000000..676d2f41e3 --- /dev/null +++ b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/combination/IterativeCombinationGenerator.java @@ -0,0 +1,52 @@ +package com.baeldung.algorithms.combination; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; + +public class IterativeCombinationGenerator { + + private static final int N = 5; + private static final int R = 2; + + /** + * Generate all combinations of r elements from a set + * @param n the number of elements in input set + * @param r the number of elements in a combination + * @return the list containing all combinations + */ + public List generate(int n, int r) { + List combinations = new ArrayList<>(); + int[] combination = new int[r]; + + // initialize with lowest lexicographic combination + for (int i = 0; i < r; i++) { + combination[i] = i; + } + + while (combination[r - 1] < n) { + combinations.add(combination.clone()); + + // generate next combination in lexicographic order + int t = r - 1; + while (t != 0 && combination[t] == n - r + t) { + t--; + } + combination[t]++; + for (int i = t + 1; i < r; i++) { + combination[i] = combination[i - 1] + 1; + } + } + + return combinations; + } + + public static void main(String[] args) { + IterativeCombinationGenerator generator = new IterativeCombinationGenerator(); + List combinations = generator.generate(N, R); + System.out.println(combinations.size()); + for (int[] combination : combinations) { + System.out.println(Arrays.toString(combination)); + } + } +} diff --git a/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/combination/SelectionRecursiveCombinationGenerator.java b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/combination/SelectionRecursiveCombinationGenerator.java new file mode 100644 index 0000000000..52305b8c2f --- /dev/null +++ b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/combination/SelectionRecursiveCombinationGenerator.java @@ -0,0 +1,53 @@ +package com.baeldung.algorithms.combination; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; + +public class SelectionRecursiveCombinationGenerator { + + private static final int N = 6; + private static final int R = 3; + + /** + * Generate all combinations of r elements from a set + * @param n - number of elements in input set + * @param r - number of elements to be chosen + * @return the list containing all combinations + */ + public List generate(int n, int r) { + List combinations = new ArrayList<>(); + helper(combinations, new int[r], 0, n - 1, 0); + return combinations; + } + + /** + * Choose elements from set by recursing over elements selected + * @param combinations - List to store generated combinations + * @param data - current combination + * @param start - starting element of remaining set + * @param end - last element of remaining set + * @param index - number of elements chosen so far. + */ + private void helper(List combinations, int data[], int start, int end, int index) { + if (index == data.length) { + int[] combination = data.clone(); + combinations.add(combination); + } else { + int max = Math.min(end, end + 1 - data.length + index); + for (int i = start; i <= max; i++) { + data[index] = i; + helper(combinations, data, i + 1, end, index + 1); + } + } + } + + public static void main(String[] args) { + SelectionRecursiveCombinationGenerator generator = new SelectionRecursiveCombinationGenerator(); + List combinations = generator.generate(N, R); + for (int[] combination : combinations) { + System.out.println(Arrays.toString(combination)); + } + System.out.printf("generated %d combinations of %d items from %d ", combinations.size(), R, N); + } +} diff --git a/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/combination/SetRecursiveCombinationGenerator.java b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/combination/SetRecursiveCombinationGenerator.java new file mode 100644 index 0000000000..a73447b31d --- /dev/null +++ b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/combination/SetRecursiveCombinationGenerator.java @@ -0,0 +1,50 @@ +package com.baeldung.algorithms.combination; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; + +public class SetRecursiveCombinationGenerator { + + private static final int N = 5; + private static final int R = 2; + + /** + * Generate all combinations of r elements from a set + * @param n - number of elements in set + * @param r - number of elements in selection + * @return the list containing all combinations + */ + public List generate(int n, int r) { + List combinations = new ArrayList<>(); + helper(combinations, new int[r], 0, n-1, 0); + return combinations; + } + + /** + * @param combinations - List to contain the generated combinations + * @param data - List of elements in the selection + * @param start - index of the starting element in the remaining set + * @param end - index of the last element in the set + * @param index - number of elements selected so far + */ + private void helper(List combinations, int data[], int start, int end, int index) { + if (index == data.length) { + int[] combination = data.clone(); + combinations.add(combination); + } else if (start <= end) { + data[index] = start; + helper(combinations, data, start + 1, end, index + 1); + helper(combinations, data, start + 1, end, index); + } + } + + public static void main(String[] args) { + SetRecursiveCombinationGenerator generator = new SetRecursiveCombinationGenerator(); + List combinations = generator.generate(N, R); + for (int[] combination : combinations) { + System.out.println(Arrays.toString(combination)); + } + System.out.printf("generated %d combinations of %d items from %d ", combinations.size(), R, N); + } +} diff --git a/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/enumstatemachine/LeaveRequestState.java b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/enumstatemachine/LeaveRequestState.java new file mode 100644 index 0000000000..5153c2e18e --- /dev/null +++ b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/enumstatemachine/LeaveRequestState.java @@ -0,0 +1,46 @@ +package com.baeldung.algorithms.enumstatemachine; + +public enum LeaveRequestState { + + Submitted { + @Override + public LeaveRequestState nextState() { + System.out.println("Starting the Leave Request and sending to Team Leader for approval."); + return Escalated; + } + + @Override + public String responsiblePerson() { + return "Employee"; + } + }, + Escalated { + @Override + public LeaveRequestState nextState() { + System.out.println("Reviewing the Leave Request and escalating to Department Manager."); + return Approved; + } + + @Override + public String responsiblePerson() { + return "Team Leader"; + } + }, + Approved { + @Override + public LeaveRequestState nextState() { + System.out.println("Approving the Leave Request."); + return this; + } + + @Override + public String responsiblePerson() { + return "Department Manager"; + } + }; + + public abstract String responsiblePerson(); + + public abstract LeaveRequestState nextState(); + +} diff --git a/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/permutation/Permutation.java b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/permutation/Permutation.java new file mode 100644 index 0000000000..7fedd78ffb --- /dev/null +++ b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/permutation/Permutation.java @@ -0,0 +1,123 @@ +package com.baeldung.algorithms.permutation; + +import java.util.Arrays; +import java.util.Collections; + +public class Permutation { + + public static void printAllRecursive(T[] elements, char delimiter) { + printAllRecursive(elements.length, elements, delimiter); + } + + public static void printAllRecursive(int n, T[] elements, char delimiter) { + + if(n == 1) { + printArray(elements, delimiter); + } else { + for(int i = 0; i < n-1; i++) { + printAllRecursive(n - 1, elements, delimiter); + if(n % 2 == 0) { + swap(elements, i, n-1); + } else { + swap(elements, 0, n-1); + } + } + printAllRecursive(n - 1, elements, delimiter); + } + } + + public static void printAllIterative(int n, T[] elements, char delimiter) { + + int[] indexes = new int[n]; + for (int i = 0; i < n; i++) { + indexes[i] = 0; + } + + printArray(elements, delimiter); + + int i = 0; + while (i < n) { + if (indexes[i] < i) { + swap(elements, i % 2 == 0 ? 0: indexes[i], i); + printArray(elements, delimiter); + indexes[i]++; + i = 0; + } + else { + indexes[i] = 0; + i++; + } + } + } + + public static > void printAllOrdered(T[] elements, char delimiter) { + + Arrays.sort(elements); + boolean hasNext = true; + + while(hasNext) { + printArray(elements, delimiter); + int k = 0, l = 0; + hasNext = false; + for (int i = elements.length - 1; i > 0; i--) { + if (elements[i].compareTo(elements[i - 1]) > 0) { + k = i - 1; + hasNext = true; + break; + } + } + + for (int i = elements.length - 1; i > k; i--) { + if (elements[i].compareTo(elements[k]) > 0) { + l = i; + break; + } + } + + swap(elements, k, l); + Collections.reverse(Arrays.asList(elements).subList(k + 1, elements.length)); + } + } + + public static void printRandom(T[] elements, char delimiter) { + + Collections.shuffle(Arrays.asList(elements)); + printArray(elements, delimiter); + } + + private static void swap(T[] elements, int a, int b) { + + T tmp = elements[a]; + elements[a] = elements[b]; + elements[b] = tmp; + } + + private static void printArray(T[] elements, char delimiter) { + + String delimiterSpace = delimiter + " "; + for(int i = 0; i < elements.length; i++) { + System.out.print(elements[i] + delimiterSpace); + } + System.out.print('\n'); + } + + public static void main(String[] argv) { + + Integer[] elements = {1,2,3,4}; + + System.out.println("Rec:"); + printAllRecursive(elements, ';'); + + System.out.println("Iter:"); + printAllIterative(elements.length, elements, ';'); + + System.out.println("Orderes:"); + printAllOrdered(elements, ';'); + + System.out.println("Random:"); + printRandom(elements, ';'); + + System.out.println("Random:"); + printRandom(elements, ';'); + } +} diff --git a/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/LinkedListFindMiddle.java b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/LinkedListFindMiddle.java new file mode 100644 index 0000000000..a7031f4fba --- /dev/null +++ b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/LinkedListFindMiddle.java @@ -0,0 +1,16 @@ +package com.baeldung.algorithms.twopointertechnique; + +public class LinkedListFindMiddle { + + public T findMiddle(MyNode head) { + MyNode slowPointer = head; + MyNode fastPointer = head; + + while (fastPointer.next != null && fastPointer.next.next != null) { + fastPointer = fastPointer.next.next; + slowPointer = slowPointer.next; + } + return slowPointer.data; + } + +} diff --git a/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/MyNode.java b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/MyNode.java new file mode 100644 index 0000000000..7d93f03ef9 --- /dev/null +++ b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/MyNode.java @@ -0,0 +1,20 @@ +package com.baeldung.algorithms.twopointertechnique; + +public class MyNode { + MyNode next; + E data; + + public MyNode(E value) { + data = value; + next = null; + } + + public MyNode(E value, MyNode n) { + data = value; + next = n; + } + + public void setNext(MyNode n) { + next = n; + } +} diff --git a/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/RotateArray.java b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/RotateArray.java new file mode 100644 index 0000000000..b4e3698c01 --- /dev/null +++ b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/RotateArray.java @@ -0,0 +1,22 @@ +package com.baeldung.algorithms.twopointertechnique; + +public class RotateArray { + + public void rotate(int[] input, int step) { + step %= input.length; + reverse(input, 0, input.length - 1); + reverse(input, 0, step - 1); + reverse(input, step, input.length - 1); + } + + private void reverse(int[] input, int start, int end) { + while (start < end) { + int temp = input[start]; + input[start] = input[end]; + input[end] = temp; + start++; + end--; + } + } + +} diff --git a/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/TwoSum.java b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/TwoSum.java new file mode 100644 index 0000000000..14eceaa1bd --- /dev/null +++ b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/TwoSum.java @@ -0,0 +1,38 @@ +package com.baeldung.algorithms.twopointertechnique; + +public class TwoSum { + + public boolean twoSum(int[] input, int targetValue) { + + int pointerOne = 0; + int pointerTwo = input.length - 1; + + while (pointerOne < pointerTwo) { + int sum = input[pointerOne] + input[pointerTwo]; + + if (sum == targetValue) { + return true; + } else if (sum < targetValue) { + pointerOne++; + } else { + pointerTwo--; + } + } + + return false; + } + + public boolean twoSumSlow(int[] input, int targetValue) { + + for (int i = 0; i < input.length; i++) { + for (int j = 1; j < input.length; j++) { + if (input[i] + input[j] == targetValue) { + return true; + } + } + } + + return false; + } + +} diff --git a/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/combination/CombinationUnitTest.java b/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/combination/CombinationUnitTest.java new file mode 100644 index 0000000000..987b6ddae6 --- /dev/null +++ b/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/combination/CombinationUnitTest.java @@ -0,0 +1,35 @@ +package com.baeldung.algorithms.combination; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +import java.util.List; + +import org.junit.Test; + +public class CombinationUnitTest { + + private static final int N = 5; + private static final int R = 3; + private static final int nCr = 10; + + @Test + public void givenSetAndSelectionSize_whenCalculatedUsingSetRecursiveAlgorithm_thenExpectedCount() { + SetRecursiveCombinationGenerator generator = new SetRecursiveCombinationGenerator(); + List selection = generator.generate(N, R); + assertEquals(nCr, selection.size()); + } + + @Test + public void givenSetAndSelectionSize_whenCalculatedUsingSelectionRecursiveAlgorithm_thenExpectedCount() { + SelectionRecursiveCombinationGenerator generator = new SelectionRecursiveCombinationGenerator(); + List selection = generator.generate(N, R); + assertEquals(nCr, selection.size()); + } + + @Test + public void givenSetAndSelectionSize_whenCalculatedUsingIterativeAlgorithm_thenExpectedCount() { + IterativeCombinationGenerator generator = new IterativeCombinationGenerator(); + List selection = generator.generate(N, R); + assertEquals(nCr, selection.size()); + } +} diff --git a/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/enumstatemachine/LeaveRequestStateUnitTest.java b/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/enumstatemachine/LeaveRequestStateUnitTest.java new file mode 100644 index 0000000000..61ed6b3aec --- /dev/null +++ b/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/enumstatemachine/LeaveRequestStateUnitTest.java @@ -0,0 +1,37 @@ +package com.baeldung.algorithms.enumstatemachine; + +import static org.junit.Assert.assertEquals; + +import org.junit.Test; + +public class LeaveRequestStateUnitTest { + + @Test + public void givenLeaveRequest_whenStateEscalated_thenResponsibleIsTeamLeader() { + LeaveRequestState state = LeaveRequestState.Escalated; + + assertEquals(state.responsiblePerson(), "Team Leader"); + } + + + @Test + public void givenLeaveRequest_whenStateApproved_thenResponsibleIsDepartmentManager() { + LeaveRequestState state = LeaveRequestState.Approved; + + assertEquals(state.responsiblePerson(), "Department Manager"); + } + + @Test + public void givenLeaveRequest_whenNextStateIsCalled_thenStateIsChanged() { + LeaveRequestState state = LeaveRequestState.Submitted; + + state = state.nextState(); + assertEquals(state, LeaveRequestState.Escalated); + + state = state.nextState(); + assertEquals(state, LeaveRequestState.Approved); + + state = state.nextState(); + assertEquals(state, LeaveRequestState.Approved); + } +} diff --git a/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/twopointertechnique/LinkedListFindMiddleUnitTest.java b/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/twopointertechnique/LinkedListFindMiddleUnitTest.java new file mode 100644 index 0000000000..422a53fa3e --- /dev/null +++ b/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/twopointertechnique/LinkedListFindMiddleUnitTest.java @@ -0,0 +1,37 @@ +package com.baeldung.algorithms.twopointertechnique; + +import static org.assertj.core.api.Assertions.assertThat; + +import org.junit.Test; + +public class LinkedListFindMiddleUnitTest { + + LinkedListFindMiddle linkedListFindMiddle = new LinkedListFindMiddle(); + + @Test + public void givenLinkedListOfMyNodes_whenLinkedListFindMiddle_thenCorrect() { + + MyNode head = createNodesList(8); + + assertThat(linkedListFindMiddle.findMiddle(head)).isEqualTo("4"); + + head = createNodesList(9); + + assertThat(linkedListFindMiddle.findMiddle(head)).isEqualTo("5"); + } + + private static MyNode createNodesList(int n) { + + MyNode head = new MyNode("1"); + MyNode current = head; + + for (int i = 2; i <= n; i++) { + MyNode newNode = new MyNode(String.valueOf(i)); + current.setNext(newNode); + current = newNode; + } + + return head; + } + +} diff --git a/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/twopointertechnique/RotateArrayUnitTest.java b/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/twopointertechnique/RotateArrayUnitTest.java new file mode 100644 index 0000000000..da227ae751 --- /dev/null +++ b/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/twopointertechnique/RotateArrayUnitTest.java @@ -0,0 +1,26 @@ +package com.baeldung.algorithms.twopointertechnique; + +import static org.assertj.core.api.Assertions.assertThat; + +import org.junit.Test; + +public class RotateArrayUnitTest { + + private RotateArray rotateArray = new RotateArray(); + + private int[] inputArray; + + private int step; + + @Test + public void givenAnArrayOfIntegers_whenRotateKsteps_thenCorrect() { + + inputArray = new int[] { 1, 2, 3, 4, 5, 6, 7 }; + step = 4; + + rotateArray.rotate(inputArray, step); + + assertThat(inputArray).containsExactly(new int[] { 4, 5, 6, 7, 1, 2, 3 }); + } + +} diff --git a/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/twopointertechnique/TwoSumUnitTest.java b/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/twopointertechnique/TwoSumUnitTest.java new file mode 100644 index 0000000000..aa76f8e1cf --- /dev/null +++ b/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/twopointertechnique/TwoSumUnitTest.java @@ -0,0 +1,56 @@ +package com.baeldung.algorithms.twopointertechnique; + +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; + +import org.junit.Test; + +public class TwoSumUnitTest { + + private TwoSum twoSum = new TwoSum(); + + private int[] sortedArray; + + private int targetValue; + + @Test + public void givenASortedArrayOfIntegers_whenTwoSumSlow_thenPairExists() { + + sortedArray = new int[] { 0, 1, 2, 3, 4, 5, 5, 6, 7, 8, 9, 9 }; + + targetValue = 12; + + assertTrue(twoSum.twoSumSlow(sortedArray, targetValue)); + } + + @Test + public void givenASortedArrayOfIntegers_whenTwoSumSlow_thenPairDoesNotExists() { + + sortedArray = new int[] { 0, 1, 2, 3, 4, 5, 5, 6, 7, 8, 9, 9 }; + + targetValue = 20; + + assertFalse(twoSum.twoSumSlow(sortedArray, targetValue)); + } + + @Test + public void givenASortedArrayOfIntegers_whenTwoSum_thenPairExists() { + + sortedArray = new int[] { 0, 1, 2, 3, 4, 5, 5, 6, 7, 8, 9, 9 }; + + targetValue = 12; + + assertTrue(twoSum.twoSum(sortedArray, targetValue)); + } + + @Test + public void givenASortedArrayOfIntegers_whenTwoSum_thenPairDoesNotExists() { + + sortedArray = new int[] { 0, 1, 2, 3, 4, 5, 5, 6, 7, 8, 9, 9 }; + + targetValue = 20; + + assertFalse(twoSum.twoSum(sortedArray, targetValue)); + } + +} diff --git a/algorithms-miscellaneous-2/pom.xml b/algorithms-miscellaneous-2/pom.xml index 5461f4ebe1..e85dd456a3 100644 --- a/algorithms-miscellaneous-2/pom.xml +++ b/algorithms-miscellaneous-2/pom.xml @@ -68,7 +68,7 @@ org.codehaus.mojo cobertura-maven-plugin - 2.7 + ${cobertura-maven-plugin.version} @@ -84,13 +84,13 @@ - 1.16.12 3.6.1 1.0.1 1.0.1 1.0.1 3.9.0 1.11 + 2.7 \ No newline at end of file diff --git a/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/reversingtree/TreeNode.java b/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/reversingtree/TreeNode.java new file mode 100644 index 0000000000..7905b752a9 --- /dev/null +++ b/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/reversingtree/TreeNode.java @@ -0,0 +1,42 @@ +package com.baeldung.algorithms.reversingtree; + +public class TreeNode { + + private int value; + private TreeNode rightChild; + private TreeNode leftChild; + + public int getValue() { + return value; + } + + public void setValue(int value) { + this.value = value; + } + + public TreeNode getRightChild() { + return rightChild; + } + + public void setRightChild(TreeNode rightChild) { + this.rightChild = rightChild; + } + + public TreeNode getLeftChild() { + return leftChild; + } + + public void setLeftChild(TreeNode leftChild) { + this.leftChild = leftChild; + } + + public TreeNode(int value, TreeNode rightChild, TreeNode leftChild) { + this.value = value; + this.rightChild = rightChild; + this.leftChild = leftChild; + } + + public TreeNode(int value) { + this.value = value; + } +} diff --git a/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/reversingtree/TreeReverser.java b/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/reversingtree/TreeReverser.java new file mode 100644 index 0000000000..6d3a9ddd31 --- /dev/null +++ b/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/reversingtree/TreeReverser.java @@ -0,0 +1,68 @@ +package com.baeldung.algorithms.reversingtree; + +import java.util.LinkedList; + +public class TreeReverser { + + public TreeNode createBinaryTree() { + + TreeNode leaf1 = new TreeNode(3); + TreeNode leaf2 = new TreeNode(1); + TreeNode leaf3 = new TreeNode(9); + TreeNode leaf4 = new TreeNode(6); + + TreeNode nodeLeft = new TreeNode(2, leaf1, leaf2); + TreeNode nodeRight = new TreeNode(7, leaf3, leaf4); + + TreeNode root = new TreeNode(4, nodeRight, nodeLeft); + + return root; + } + + public void reverseRecursive(TreeNode treeNode) { + if (treeNode == null) { + return; + } + + TreeNode temp = treeNode.getLeftChild(); + treeNode.setLeftChild(treeNode.getRightChild()); + treeNode.setRightChild(temp); + + reverseRecursive(treeNode.getLeftChild()); + reverseRecursive(treeNode.getRightChild()); + } + + public void reverseIterative(TreeNode treeNode) { + LinkedList queue = new LinkedList(); + + if (treeNode != null) { + queue.add(treeNode); + } + + while (!queue.isEmpty()) { + + TreeNode node = queue.poll(); + if (node.getLeftChild() != null) + queue.add(node.getLeftChild()); + if (node.getRightChild() != null) + queue.add(node.getRightChild()); + + TreeNode temp = node.getLeftChild(); + node.setLeftChild(node.getRightChild()); + node.setRightChild(temp); + } + } + + public String toString(TreeNode root) { + if (root == null) { + return ""; + } + + StringBuffer buffer = new StringBuffer(String.valueOf(root.getValue())).append(" "); + + buffer.append(toString(root.getLeftChild())); + buffer.append(toString(root.getRightChild())); + + return buffer.toString(); + } +} diff --git a/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/reversingtree/TreeReverserUnitTest.java b/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/reversingtree/TreeReverserUnitTest.java new file mode 100644 index 0000000000..cbc265fae1 --- /dev/null +++ b/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/reversingtree/TreeReverserUnitTest.java @@ -0,0 +1,33 @@ +package com.baeldung.algorithms.reversingtree; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +import org.junit.jupiter.api.Test; + +public class TreeReverserUnitTest { + + @Test + public void givenTreeWhenReversingRecursivelyThenReversed() { + TreeReverser reverser = new TreeReverser(); + + TreeNode treeNode = reverser.createBinaryTree(); + + reverser.reverseRecursive(treeNode); + + assertEquals("4 7 9 6 2 3 1", reverser.toString(treeNode) + .trim()); + } + + @Test + public void givenTreeWhenReversingIterativelyThenReversed() { + TreeReverser reverser = new TreeReverser(); + + TreeNode treeNode = reverser.createBinaryTree(); + + reverser.reverseIterative(treeNode); + + assertEquals("4 7 9 6 2 3 1", reverser.toString(treeNode) + .trim()); + } + +} diff --git a/algorithms-miscellaneous-2/src/test/resources/graph.png b/algorithms-miscellaneous-2/src/test/resources/graph.png index 56995b8dd9..7165a51782 100644 Binary files a/algorithms-miscellaneous-2/src/test/resources/graph.png and b/algorithms-miscellaneous-2/src/test/resources/graph.png differ diff --git a/algorithms-sorting/pom.xml b/algorithms-sorting/pom.xml index 2aee6e9199..b25adf05a8 100644 --- a/algorithms-sorting/pom.xml +++ b/algorithms-sorting/pom.xml @@ -49,7 +49,6 @@ - 1.16.12 3.6.1 3.9.0 1.11 diff --git a/animal-sniffer-mvn-plugin/pom.xml b/animal-sniffer-mvn-plugin/pom.xml index cdfb1fb2a3..55e37e2ec4 100644 --- a/animal-sniffer-mvn-plugin/pom.xml +++ b/animal-sniffer-mvn-plugin/pom.xml @@ -3,9 +3,9 @@ 4.0.0 com.baeldung animal-sniffer-mvn-plugin - jar 1.0-SNAPSHOT animal-sniffer-mvn-plugin + jar http://maven.apache.org diff --git a/annotations/pom.xml b/annotations/pom.xml index 6d83f5b057..5fe89adf0a 100644 --- a/annotations/pom.xml +++ b/annotations/pom.xml @@ -3,8 +3,8 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 annotations - pom annotations + pom parent-modules diff --git a/apache-avro/pom.xml b/apache-avro/pom.xml index 18f9c34d64..5d170f0a81 100644 --- a/apache-avro/pom.xml +++ b/apache-avro/pom.xml @@ -7,14 +7,6 @@ 0.0.1-SNAPSHOT apache-avro - - UTF-8 - 3.5 - 1.8.2 - 1.8 - 1.7.25 - - com.baeldung parent-modules @@ -85,4 +77,12 @@ + + + UTF-8 + 3.5 + 1.8.2 + 1.7.25 + + diff --git a/apache-curator/pom.xml b/apache-curator/pom.xml index e6be32277d..259319d547 100644 --- a/apache-curator/pom.xml +++ b/apache-curator/pom.xml @@ -3,8 +3,8 @@ 4.0.0 apache-curator 0.0.1-SNAPSHOT - jar apache-curator + jar com.baeldung @@ -39,7 +39,7 @@ com.fasterxml.jackson.core jackson-databind - ${jackson-databind.version} + ${jackson.version} @@ -59,7 +59,6 @@ 4.0.1 3.4.11 - 2.9.7 3.6.1 1.7.0 diff --git a/apache-geode/pom.xml b/apache-geode/pom.xml index 738accdcb8..15c7e04d29 100644 --- a/apache-geode/pom.xml +++ b/apache-geode/pom.xml @@ -12,22 +12,6 @@ parent-modules 1.0.0-SNAPSHOT - - - 1.6.0 - - - - - org.apache.maven.plugins - maven-compiler-plugin - - 1.8 - 1.8 - - - - @@ -38,8 +22,24 @@ junit junit - RELEASE + ${junit.version} + + + + org.apache.maven.plugins + maven-compiler-plugin + + ${java.version} + ${java.version} + + + + + + + 1.6.0 + \ No newline at end of file diff --git a/apache-meecrowave/pom.xml b/apache-meecrowave/pom.xml index cf13aa1c1b..fb5af69f9b 100644 --- a/apache-meecrowave/pom.xml +++ b/apache-meecrowave/pom.xml @@ -7,51 +7,58 @@ apache-meecrowave A sample REST API application with Meecrowave - - 1.8 - 1.8 - org.apache.meecrowave meecrowave-core - 1.2.1 + ${meecrowave-core.version} org.apache.meecrowave meecrowave-jpa - 1.2.1 + ${meecrowave-jpa.version} com.squareup.okhttp3 okhttp - 3.10.0 + ${okhttp.version} org.apache.meecrowave meecrowave-junit - 1.2.0 + ${meecrowave-junit.version} test junit junit - 4.10 + ${junit.version} test - + org.apache.meecrowave meecrowave-maven-plugin - 1.2.1 + ${meecrowave-maven-plugin.version} + + + 1.8 + 1.8 + 4.10 + 1.2.0 + 3.10.0 + 1.2.1 + 1.2.1 + 1.2.1 + \ No newline at end of file diff --git a/apache-pulsar/pom.xml b/apache-pulsar/pom.xml index a4c09586eb..11df6d0b87 100644 --- a/apache-pulsar/pom.xml +++ b/apache-pulsar/pom.xml @@ -11,12 +11,14 @@ org.apache.pulsar pulsar-client - 2.1.1-incubating + ${pulsar-client.version} compile + 1.8 1.8 + 2.1.1-incubating diff --git a/apache-solrj/pom.xml b/apache-solrj/pom.xml index 9a807c2f26..1227fdca46 100644 --- a/apache-solrj/pom.xml +++ b/apache-solrj/pom.xml @@ -4,8 +4,8 @@ com.baeldung apache-solrj 0.0.1-SNAPSHOT - jar apache-solrj + jar com.baeldung diff --git a/apache-spark/README.md b/apache-spark/README.md index fb8059eb27..a4dce212b4 100644 --- a/apache-spark/README.md +++ b/apache-spark/README.md @@ -1,3 +1,4 @@ ### Relevant articles - [Introduction to Apache Spark](http://www.baeldung.com/apache-spark) +- [Building a Data Pipeline with Kafka, Spark Streaming and Cassandra](https://www.baeldung.com/kafka-spark-data-pipeline) diff --git a/apache-spark/pom.xml b/apache-spark/pom.xml index 290b63a14d..f0f002a7e9 100644 --- a/apache-spark/pom.xml +++ b/apache-spark/pom.xml @@ -4,8 +4,8 @@ com.baeldung apache-spark 1.0-SNAPSHOT - jar apache-spark + jar http://maven.apache.org @@ -15,16 +15,77 @@ - org.apache.spark - spark-core_2.10 + spark-core_2.11 ${org.apache.spark.spark-core.version} + provided + + org.apache.spark + spark-sql_2.11 + ${org.apache.spark.spark-sql.version} + provided + + + org.apache.spark + spark-streaming_2.11 + ${org.apache.spark.spark-streaming.version} + provided + + + org.apache.spark + spark-streaming-kafka-0-10_2.11 + ${org.apache.spark.spark-streaming-kafka.version} + + + com.datastax.spark + spark-cassandra-connector_2.11 + ${com.datastax.spark.spark-cassandra-connector.version} + + + com.datastax.spark + spark-cassandra-connector-java_2.11 + ${com.datastax.spark.spark-cassandra-connector-java.version} + - + + + + org.apache.maven.plugins + maven-compiler-plugin + ${maven-compiler-plugin.version} + + ${java.version} + ${java.version} + + + + maven-assembly-plugin + + + package + + single + + + + + + jar-with-dependencies + + + + + - 2.2.0 + 2.3.0 + 2.3.0 + 2.3.0 + 2.3.0 + 2.3.0 + 1.5.2 + 3.2 diff --git a/apache-spark/src/main/java/com/baeldung/data/pipeline/Word.java b/apache-spark/src/main/java/com/baeldung/data/pipeline/Word.java new file mode 100644 index 0000000000..b0caa468b1 --- /dev/null +++ b/apache-spark/src/main/java/com/baeldung/data/pipeline/Word.java @@ -0,0 +1,25 @@ +package com.baeldung.data.pipeline; + +import java.io.Serializable; + +public class Word implements Serializable { + private static final long serialVersionUID = 1L; + private String word; + private int count; + Word(String word, int count) { + this.word = word; + this.count = count; + } + public String getWord() { + return word; + } + public void setWord(String word) { + this.word = word; + } + public int getCount() { + return count; + } + public void setCount(int count) { + this.count = count; + } +} \ No newline at end of file diff --git a/apache-spark/src/main/java/com/baeldung/data/pipeline/WordCountingApp.java b/apache-spark/src/main/java/com/baeldung/data/pipeline/WordCountingApp.java new file mode 100644 index 0000000000..db2a73b411 --- /dev/null +++ b/apache-spark/src/main/java/com/baeldung/data/pipeline/WordCountingApp.java @@ -0,0 +1,80 @@ +package com.baeldung.data.pipeline; + +import static com.datastax.spark.connector.japi.CassandraJavaUtil.javaFunctions; +import static com.datastax.spark.connector.japi.CassandraJavaUtil.mapToRow; + +import java.util.Arrays; +import java.util.Collection; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.apache.kafka.clients.consumer.ConsumerRecord; +import org.apache.kafka.common.serialization.StringDeserializer; +import org.apache.log4j.Level; +import org.apache.log4j.Logger; +import org.apache.spark.SparkConf; +import org.apache.spark.api.java.JavaRDD; +import org.apache.spark.streaming.Durations; +import org.apache.spark.streaming.api.java.JavaDStream; +import org.apache.spark.streaming.api.java.JavaInputDStream; +import org.apache.spark.streaming.api.java.JavaPairDStream; +import org.apache.spark.streaming.api.java.JavaStreamingContext; +import org.apache.spark.streaming.kafka010.ConsumerStrategies; +import org.apache.spark.streaming.kafka010.KafkaUtils; +import org.apache.spark.streaming.kafka010.LocationStrategies; + +import scala.Tuple2; + +public class WordCountingApp { + + public static void main(String[] args) throws InterruptedException { + Logger.getLogger("org") + .setLevel(Level.OFF); + Logger.getLogger("akka") + .setLevel(Level.OFF); + + Map kafkaParams = new HashMap<>(); + kafkaParams.put("bootstrap.servers", "localhost:9092"); + kafkaParams.put("key.deserializer", StringDeserializer.class); + kafkaParams.put("value.deserializer", StringDeserializer.class); + kafkaParams.put("group.id", "use_a_separate_group_id_for_each_stream"); + kafkaParams.put("auto.offset.reset", "latest"); + kafkaParams.put("enable.auto.commit", false); + + Collection topics = Arrays.asList("messages"); + + SparkConf sparkConf = new SparkConf(); + sparkConf.setMaster("local[2]"); + sparkConf.setAppName("WordCountingApp"); + sparkConf.set("spark.cassandra.connection.host", "127.0.0.1"); + + JavaStreamingContext streamingContext = new JavaStreamingContext(sparkConf, Durations.seconds(1)); + + JavaInputDStream> messages = KafkaUtils.createDirectStream(streamingContext, LocationStrategies.PreferConsistent(), ConsumerStrategies. Subscribe(topics, kafkaParams)); + + JavaPairDStream results = messages.mapToPair(record -> new Tuple2<>(record.key(), record.value())); + + JavaDStream lines = results.map(tuple2 -> tuple2._2()); + + JavaDStream words = lines.flatMap(x -> Arrays.asList(x.split("\\s+")) + .iterator()); + + JavaPairDStream wordCounts = words.mapToPair(s -> new Tuple2<>(s, 1)) + .reduceByKey((i1, i2) -> i1 + i2); + + wordCounts.foreachRDD(javaRdd -> { + Map wordCountMap = javaRdd.collectAsMap(); + for (String key : wordCountMap.keySet()) { + List wordList = Arrays.asList(new Word(key, wordCountMap.get(key))); + JavaRDD rdd = streamingContext.sparkContext() + .parallelize(wordList); + javaFunctions(rdd).writerBuilder("vocabulary", "words", mapToRow(Word.class)) + .saveToCassandra(); + } + }); + + streamingContext.start(); + streamingContext.awaitTermination(); + } +} \ No newline at end of file diff --git a/apache-spark/src/main/java/com/baeldung/data/pipeline/WordCountingAppWithCheckpoint.java b/apache-spark/src/main/java/com/baeldung/data/pipeline/WordCountingAppWithCheckpoint.java new file mode 100644 index 0000000000..efbe5f3851 --- /dev/null +++ b/apache-spark/src/main/java/com/baeldung/data/pipeline/WordCountingAppWithCheckpoint.java @@ -0,0 +1,97 @@ +package com.baeldung.data.pipeline; + +import static com.datastax.spark.connector.japi.CassandraJavaUtil.javaFunctions; +import static com.datastax.spark.connector.japi.CassandraJavaUtil.mapToRow; + +import java.util.Arrays; +import java.util.Collection; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.apache.kafka.clients.consumer.ConsumerRecord; +import org.apache.kafka.common.serialization.StringDeserializer; +import org.apache.log4j.Level; +import org.apache.log4j.Logger; +import org.apache.spark.SparkConf; +import org.apache.spark.api.java.JavaRDD; +import org.apache.spark.api.java.JavaSparkContext; +import org.apache.spark.api.java.function.Function2; +import org.apache.spark.streaming.Durations; +import org.apache.spark.streaming.StateSpec; +import org.apache.spark.streaming.api.java.JavaDStream; +import org.apache.spark.streaming.api.java.JavaInputDStream; +import org.apache.spark.streaming.api.java.JavaMapWithStateDStream; +import org.apache.spark.streaming.api.java.JavaPairDStream; +import org.apache.spark.streaming.api.java.JavaStreamingContext; +import org.apache.spark.streaming.kafka010.ConsumerStrategies; +import org.apache.spark.streaming.kafka010.KafkaUtils; +import org.apache.spark.streaming.kafka010.LocationStrategies; + +import scala.Tuple2; + +public class WordCountingAppWithCheckpoint { + + public static JavaSparkContext sparkContext; + + public static void main(String[] args) throws InterruptedException { + + Logger.getLogger("org") + .setLevel(Level.OFF); + Logger.getLogger("akka") + .setLevel(Level.OFF); + + Map kafkaParams = new HashMap<>(); + kafkaParams.put("bootstrap.servers", "localhost:9092"); + kafkaParams.put("key.deserializer", StringDeserializer.class); + kafkaParams.put("value.deserializer", StringDeserializer.class); + kafkaParams.put("group.id", "use_a_separate_group_id_for_each_stream"); + kafkaParams.put("auto.offset.reset", "latest"); + kafkaParams.put("enable.auto.commit", false); + + Collection topics = Arrays.asList("messages"); + + SparkConf sparkConf = new SparkConf(); + sparkConf.setMaster("local[2]"); + sparkConf.setAppName("WordCountingAppWithCheckpoint"); + sparkConf.set("spark.cassandra.connection.host", "127.0.0.1"); + + JavaStreamingContext streamingContext = new JavaStreamingContext(sparkConf, Durations.seconds(1)); + + sparkContext = streamingContext.sparkContext(); + + streamingContext.checkpoint("./.checkpoint"); + + JavaInputDStream> messages = KafkaUtils.createDirectStream(streamingContext, LocationStrategies.PreferConsistent(), ConsumerStrategies. Subscribe(topics, kafkaParams)); + + JavaPairDStream results = messages.mapToPair(record -> new Tuple2<>(record.key(), record.value())); + + JavaDStream lines = results.map(tuple2 -> tuple2._2()); + + JavaDStream words = lines.flatMap(x -> Arrays.asList(x.split("\\s+")) + .iterator()); + + JavaPairDStream wordCounts = words.mapToPair(s -> new Tuple2<>(s, 1)) + .reduceByKey((Function2) (i1, i2) -> i1 + i2); + + JavaMapWithStateDStream> cumulativeWordCounts = wordCounts.mapWithState(StateSpec.function((word, one, state) -> { + int sum = one.orElse(0) + (state.exists() ? state.get() : 0); + Tuple2 output = new Tuple2<>(word, sum); + state.update(sum); + return output; + })); + + cumulativeWordCounts.foreachRDD(javaRdd -> { + List> wordCountList = javaRdd.collect(); + for (Tuple2 tuple : wordCountList) { + List wordList = Arrays.asList(new Word(tuple._1, tuple._2)); + JavaRDD rdd = sparkContext.parallelize(wordList); + javaFunctions(rdd).writerBuilder("vocabulary", "words", mapToRow(Word.class)) + .saveToCassandra(); + } + }); + + streamingContext.start(); + streamingContext.awaitTermination(); + } +} \ No newline at end of file diff --git a/apache-velocity/pom.xml b/apache-velocity/pom.xml index 19cf77d945..a0a8389f7d 100644 --- a/apache-velocity/pom.xml +++ b/apache-velocity/pom.xml @@ -4,8 +4,8 @@ com.baeldung 0.1-SNAPSHOT apache-velocity - war apache-velocity + war com.baeldung diff --git a/aws-lambda/pom.xml b/aws-lambda/pom.xml index c47c3cd86f..c799718e61 100644 --- a/aws-lambda/pom.xml +++ b/aws-lambda/pom.xml @@ -5,8 +5,8 @@ com.baeldung aws-lambda 0.1.0-SNAPSHOT - jar aws-lambda + jar parent-modules diff --git a/aws/README.md b/aws/README.md index 2c61928095..d14ea8a75e 100644 --- a/aws/README.md +++ b/aws/README.md @@ -4,7 +4,6 @@ - [AWS S3 with Java](http://www.baeldung.com/aws-s3-java) - [AWS Lambda With Java](http://www.baeldung.com/java-aws-lambda) - [Managing EC2 Instances in Java](http://www.baeldung.com/ec2-java) -- [http://www.baeldung.com/aws-s3-multipart-upload](https://github.com/eugenp/tutorials/tree/master/aws) - [Multipart Uploads in Amazon S3 with Java](http://www.baeldung.com/aws-s3-multipart-upload) - [Integration Testing with a Local DynamoDB Instance](http://www.baeldung.com/dynamodb-local-integration-tests) - [Using the JetS3t Java Client With Amazon S3](http://www.baeldung.com/jets3t-amazon-s3) diff --git a/aws/pom.xml b/aws/pom.xml index ab63f6afa1..560f9145f9 100644 --- a/aws/pom.xml +++ b/aws/pom.xml @@ -4,8 +4,8 @@ com.baeldung aws 0.1.0-SNAPSHOT - jar aws + jar com.baeldung diff --git a/axon/pom.xml b/axon/pom.xml index c643ea9e57..2b9ac1fcdd 100644 --- a/axon/pom.xml +++ b/axon/pom.xml @@ -4,29 +4,61 @@ 4.0.0 axon axon - + Basic Axon Framework with Spring Boot configuration tutorial + - parent-modules com.baeldung - 1.0.0-SNAPSHOT + parent-boot-2 + 0.0.1-SNAPSHOT + ../parent-boot-2 + + org.axonframework + axon-spring-boot-starter + ${axon.version} + + + org.axonframework + axon-server-connector + + + + org.axonframework axon-test ${axon.version} test + - org.axonframework - axon-core - ${axon.version} + org.springframework.boot + spring-boot-autoconfigure + ${spring-boot.version} + compile + + + + org.springframework.boot + spring-boot-starter-web + + + + org.springframework.boot + spring-boot-starter-data-jpa + + + + com.h2database + h2 + runtime - 3.0.2 + 4.0.3 \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/MessagesRunner.java b/axon/src/main/java/com/baeldung/axon/MessagesRunner.java deleted file mode 100644 index 77b50d09bd..0000000000 --- a/axon/src/main/java/com/baeldung/axon/MessagesRunner.java +++ /dev/null @@ -1,54 +0,0 @@ -package com.baeldung.axon; - -import com.baeldung.axon.aggregates.MessagesAggregate; -import com.baeldung.axon.commands.CreateMessageCommand; -import com.baeldung.axon.commands.MarkReadMessageCommand; -import com.baeldung.axon.eventhandlers.MessagesEventHandler; -import org.axonframework.commandhandling.AggregateAnnotationCommandHandler; -import org.axonframework.commandhandling.CommandBus; -import org.axonframework.commandhandling.SimpleCommandBus; -import org.axonframework.commandhandling.gateway.CommandGateway; -import org.axonframework.commandhandling.gateway.DefaultCommandGateway; -import org.axonframework.eventhandling.AnnotationEventListenerAdapter; -import org.axonframework.eventsourcing.EventSourcingRepository; -import org.axonframework.eventsourcing.eventstore.EmbeddedEventStore; -import org.axonframework.eventsourcing.eventstore.EventStore; -import org.axonframework.eventsourcing.eventstore.inmemory.InMemoryEventStorageEngine; - -import java.util.UUID; - -public class MessagesRunner { - - public static void main(String[] args) { - CommandBus commandBus = new SimpleCommandBus(); - - CommandGateway commandGateway = new DefaultCommandGateway(commandBus); - - EventStore eventStore = new EmbeddedEventStore(new InMemoryEventStorageEngine()); - - EventSourcingRepository repository = - new EventSourcingRepository<>(MessagesAggregate.class, eventStore); - - - AggregateAnnotationCommandHandler messagesAggregateAggregateAnnotationCommandHandler = - new AggregateAnnotationCommandHandler(MessagesAggregate.class, repository); - messagesAggregateAggregateAnnotationCommandHandler.subscribe(commandBus); - - final AnnotationEventListenerAdapter annotationEventListenerAdapter = - new AnnotationEventListenerAdapter(new MessagesEventHandler()); - eventStore.subscribe(eventMessages -> eventMessages.forEach(e -> { - try { - annotationEventListenerAdapter.handle(e); - } catch (Exception e1) { - throw new RuntimeException(e1); - - } - } - - )); - - final String itemId = UUID.randomUUID().toString(); - commandGateway.send(new CreateMessageCommand(itemId, "Hello, how is your day? :-)")); - commandGateway.send(new MarkReadMessageCommand(itemId)); - } -} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/OrderApplication.java b/axon/src/main/java/com/baeldung/axon/OrderApplication.java new file mode 100644 index 0000000000..8f507e141c --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/OrderApplication.java @@ -0,0 +1,13 @@ +package com.baeldung.axon; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class OrderApplication { + + public static void main(String[] args) { + SpringApplication.run(OrderApplication.class, args); + } + +} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/aggregates/MessagesAggregate.java b/axon/src/main/java/com/baeldung/axon/aggregates/MessagesAggregate.java deleted file mode 100644 index e762604b74..0000000000 --- a/axon/src/main/java/com/baeldung/axon/aggregates/MessagesAggregate.java +++ /dev/null @@ -1,36 +0,0 @@ -package com.baeldung.axon.aggregates; - -import com.baeldung.axon.commands.CreateMessageCommand; -import com.baeldung.axon.commands.MarkReadMessageCommand; -import com.baeldung.axon.events.MessageCreatedEvent; -import com.baeldung.axon.events.MessageReadEvent; -import org.axonframework.commandhandling.CommandHandler; -import org.axonframework.commandhandling.model.AggregateIdentifier; -import org.axonframework.eventhandling.EventHandler; - -import static org.axonframework.commandhandling.model.AggregateLifecycle.apply; - - -public class MessagesAggregate { - - @AggregateIdentifier - private String id; - - public MessagesAggregate() { - } - - @CommandHandler - public MessagesAggregate(CreateMessageCommand command) { - apply(new MessageCreatedEvent(command.getId(), command.getText())); - } - - @EventHandler - public void on(MessageCreatedEvent event) { - this.id = event.getId(); - } - - @CommandHandler - public void markRead(MarkReadMessageCommand command) { - apply(new MessageReadEvent(id)); - } -} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/commandmodel/OrderAggregate.java b/axon/src/main/java/com/baeldung/axon/commandmodel/OrderAggregate.java new file mode 100644 index 0000000000..b37b2fdd66 --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/commandmodel/OrderAggregate.java @@ -0,0 +1,58 @@ +package com.baeldung.axon.commandmodel; + +import static org.axonframework.modelling.command.AggregateLifecycle.apply; + +import org.axonframework.commandhandling.CommandHandler; +import org.axonframework.eventsourcing.EventSourcingHandler; +import org.axonframework.modelling.command.AggregateIdentifier; +import org.axonframework.spring.stereotype.Aggregate; + +import com.baeldung.axon.coreapi.commands.ConfirmOrderCommand; +import com.baeldung.axon.coreapi.commands.PlaceOrderCommand; +import com.baeldung.axon.coreapi.commands.ShipOrderCommand; +import com.baeldung.axon.coreapi.events.OrderConfirmedEvent; +import com.baeldung.axon.coreapi.events.OrderPlacedEvent; +import com.baeldung.axon.coreapi.events.OrderShippedEvent; + +@Aggregate +public class OrderAggregate { + + @AggregateIdentifier + private String orderId; + private boolean orderConfirmed; + + @CommandHandler + public OrderAggregate(PlaceOrderCommand command) { + apply(new OrderPlacedEvent(command.getOrderId(), command.getProduct())); + } + + @CommandHandler + public void handle(ConfirmOrderCommand command) { + apply(new OrderConfirmedEvent(orderId)); + } + + @CommandHandler + public void handle(ShipOrderCommand command) { + if (!orderConfirmed) { + throw new IllegalStateException("Cannot ship an order which has not been confirmed yet."); + } + + apply(new OrderShippedEvent(orderId)); + } + + @EventSourcingHandler + public void on(OrderPlacedEvent event) { + this.orderId = event.getOrderId(); + orderConfirmed = false; + } + + @EventSourcingHandler + public void on(OrderConfirmedEvent event) { + orderConfirmed = true; + } + + protected OrderAggregate() { + // Required by Axon to build a default Aggregate prior to Event Sourcing + } + +} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/commands/CreateMessageCommand.java b/axon/src/main/java/com/baeldung/axon/commands/CreateMessageCommand.java deleted file mode 100644 index d0651bf12e..0000000000 --- a/axon/src/main/java/com/baeldung/axon/commands/CreateMessageCommand.java +++ /dev/null @@ -1,24 +0,0 @@ -package com.baeldung.axon.commands; - - -import org.axonframework.commandhandling.TargetAggregateIdentifier; - -public class CreateMessageCommand { - - @TargetAggregateIdentifier - private final String id; - private final String text; - - public CreateMessageCommand(String id, String text) { - this.id = id; - this.text = text; - } - - public String getId() { - return id; - } - - public String getText() { - return text; - } -} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/commands/MarkReadMessageCommand.java b/axon/src/main/java/com/baeldung/axon/commands/MarkReadMessageCommand.java deleted file mode 100644 index e66582d9ec..0000000000 --- a/axon/src/main/java/com/baeldung/axon/commands/MarkReadMessageCommand.java +++ /dev/null @@ -1,18 +0,0 @@ -package com.baeldung.axon.commands; - - -import org.axonframework.commandhandling.TargetAggregateIdentifier; - -public class MarkReadMessageCommand { - - @TargetAggregateIdentifier - private final String id; - - public MarkReadMessageCommand(String id) { - this.id = id; - } - - public String getId() { - return id; - } -} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/coreapi/commands/ConfirmOrderCommand.java b/axon/src/main/java/com/baeldung/axon/coreapi/commands/ConfirmOrderCommand.java new file mode 100644 index 0000000000..244b69f3b7 --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/coreapi/commands/ConfirmOrderCommand.java @@ -0,0 +1,43 @@ +package com.baeldung.axon.coreapi.commands; + +import org.axonframework.modelling.command.TargetAggregateIdentifier; + +import java.util.Objects; + +public class ConfirmOrderCommand { + + @TargetAggregateIdentifier + private final String orderId; + + public ConfirmOrderCommand(String orderId) { + this.orderId = orderId; + } + + public String getOrderId() { + return orderId; + } + + @Override + public int hashCode() { + return Objects.hash(orderId); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj == null || getClass() != obj.getClass()) { + return false; + } + final ConfirmOrderCommand other = (ConfirmOrderCommand) obj; + return Objects.equals(this.orderId, other.orderId); + } + + @Override + public String toString() { + return "ConfirmOrderCommand{" + + "orderId='" + orderId + '\'' + + '}'; + } +} diff --git a/axon/src/main/java/com/baeldung/axon/coreapi/commands/PlaceOrderCommand.java b/axon/src/main/java/com/baeldung/axon/coreapi/commands/PlaceOrderCommand.java new file mode 100644 index 0000000000..c70d503050 --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/coreapi/commands/PlaceOrderCommand.java @@ -0,0 +1,51 @@ +package com.baeldung.axon.coreapi.commands; + +import java.util.Objects; + +import org.axonframework.modelling.command.TargetAggregateIdentifier; + +public class PlaceOrderCommand { + + @TargetAggregateIdentifier + private final String orderId; + private final String product; + + public PlaceOrderCommand(String orderId, String product) { + this.orderId = orderId; + this.product = product; + } + + public String getOrderId() { + return orderId; + } + + public String getProduct() { + return product; + } + + @Override + public int hashCode() { + return Objects.hash(orderId, product); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj == null || getClass() != obj.getClass()) { + return false; + } + final PlaceOrderCommand other = (PlaceOrderCommand) obj; + return Objects.equals(this.orderId, other.orderId) + && Objects.equals(this.product, other.product); + } + + @Override + public String toString() { + return "PlaceOrderCommand{" + + "orderId='" + orderId + '\'' + + ", product='" + product + '\'' + + '}'; + } +} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/coreapi/commands/ShipOrderCommand.java b/axon/src/main/java/com/baeldung/axon/coreapi/commands/ShipOrderCommand.java new file mode 100644 index 0000000000..7312bc1fdb --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/coreapi/commands/ShipOrderCommand.java @@ -0,0 +1,43 @@ +package com.baeldung.axon.coreapi.commands; + +import java.util.Objects; + +import org.axonframework.modelling.command.TargetAggregateIdentifier; + +public class ShipOrderCommand { + + @TargetAggregateIdentifier + private final String orderId; + + public ShipOrderCommand(String orderId) { + this.orderId = orderId; + } + + public String getOrderId() { + return orderId; + } + + @Override + public int hashCode() { + return Objects.hash(orderId); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj == null || getClass() != obj.getClass()) { + return false; + } + final ShipOrderCommand other = (ShipOrderCommand) obj; + return Objects.equals(this.orderId, other.orderId); + } + + @Override + public String toString() { + return "ShipOrderCommand{" + + "orderId='" + orderId + '\'' + + '}'; + } +} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/coreapi/events/OrderConfirmedEvent.java b/axon/src/main/java/com/baeldung/axon/coreapi/events/OrderConfirmedEvent.java new file mode 100644 index 0000000000..d2b7d58435 --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/coreapi/events/OrderConfirmedEvent.java @@ -0,0 +1,40 @@ +package com.baeldung.axon.coreapi.events; + +import java.util.Objects; + +public class OrderConfirmedEvent { + + private final String orderId; + + public OrderConfirmedEvent(String orderId) { + this.orderId = orderId; + } + + public String getOrderId() { + return orderId; + } + + @Override + public int hashCode() { + return Objects.hash(orderId); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj == null || getClass() != obj.getClass()) { + return false; + } + final OrderConfirmedEvent other = (OrderConfirmedEvent) obj; + return Objects.equals(this.orderId, other.orderId); + } + + @Override + public String toString() { + return "OrderConfirmedEvent{" + + "orderId='" + orderId + '\'' + + '}'; + } +} diff --git a/axon/src/main/java/com/baeldung/axon/coreapi/events/OrderPlacedEvent.java b/axon/src/main/java/com/baeldung/axon/coreapi/events/OrderPlacedEvent.java new file mode 100644 index 0000000000..06de4c5f9f --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/coreapi/events/OrderPlacedEvent.java @@ -0,0 +1,48 @@ +package com.baeldung.axon.coreapi.events; + +import java.util.Objects; + +public class OrderPlacedEvent { + + private final String orderId; + private final String product; + + public OrderPlacedEvent(String orderId, String product) { + this.orderId = orderId; + this.product = product; + } + + public String getOrderId() { + return orderId; + } + + public String getProduct() { + return product; + } + + @Override + public int hashCode() { + return Objects.hash(orderId, product); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj == null || getClass() != obj.getClass()) { + return false; + } + final OrderPlacedEvent other = (OrderPlacedEvent) obj; + return Objects.equals(this.orderId, other.orderId) + && Objects.equals(this.product, other.product); + } + + @Override + public String toString() { + return "OrderPlacedEvent{" + + "orderId='" + orderId + '\'' + + ", product='" + product + '\'' + + '}'; + } +} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/coreapi/events/OrderShippedEvent.java b/axon/src/main/java/com/baeldung/axon/coreapi/events/OrderShippedEvent.java new file mode 100644 index 0000000000..76aa684629 --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/coreapi/events/OrderShippedEvent.java @@ -0,0 +1,40 @@ +package com.baeldung.axon.coreapi.events; + +import java.util.Objects; + +public class OrderShippedEvent { + + private final String orderId; + + public OrderShippedEvent(String orderId) { + this.orderId = orderId; + } + + public String getOrderId() { + return orderId; + } + + @Override + public int hashCode() { + return Objects.hash(orderId); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj == null || getClass() != obj.getClass()) { + return false; + } + final OrderShippedEvent other = (OrderShippedEvent) obj; + return Objects.equals(this.orderId, other.orderId); + } + + @Override + public String toString() { + return "OrderShippedEvent{" + + "orderId='" + orderId + '\'' + + '}'; + } +} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/coreapi/queries/FindAllOrderedProductsQuery.java b/axon/src/main/java/com/baeldung/axon/coreapi/queries/FindAllOrderedProductsQuery.java new file mode 100644 index 0000000000..9d6ca2cfb2 --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/coreapi/queries/FindAllOrderedProductsQuery.java @@ -0,0 +1,5 @@ +package com.baeldung.axon.coreapi.queries; + +public class FindAllOrderedProductsQuery { + +} diff --git a/axon/src/main/java/com/baeldung/axon/coreapi/queries/OrderStatus.java b/axon/src/main/java/com/baeldung/axon/coreapi/queries/OrderStatus.java new file mode 100644 index 0000000000..d215c5fc32 --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/coreapi/queries/OrderStatus.java @@ -0,0 +1,7 @@ +package com.baeldung.axon.coreapi.queries; + +public enum OrderStatus { + + PLACED, CONFIRMED, SHIPPED + +} diff --git a/axon/src/main/java/com/baeldung/axon/coreapi/queries/OrderedProduct.java b/axon/src/main/java/com/baeldung/axon/coreapi/queries/OrderedProduct.java new file mode 100644 index 0000000000..d847bb2a98 --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/coreapi/queries/OrderedProduct.java @@ -0,0 +1,64 @@ +package com.baeldung.axon.coreapi.queries; + +import java.util.Objects; + +public class OrderedProduct { + + private final String orderId; + private final String product; + private OrderStatus orderStatus; + + public OrderedProduct(String orderId, String product) { + this.orderId = orderId; + this.product = product; + orderStatus = OrderStatus.PLACED; + } + + public String getOrderId() { + return orderId; + } + + public String getProduct() { + return product; + } + + public OrderStatus getOrderStatus() { + return orderStatus; + } + + public void setOrderConfirmed() { + this.orderStatus = OrderStatus.CONFIRMED; + } + + public void setOrderShipped() { + this.orderStatus = OrderStatus.SHIPPED; + } + + @Override + public int hashCode() { + return Objects.hash(orderId, product, orderStatus); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj == null || getClass() != obj.getClass()) { + return false; + } + final OrderedProduct other = (OrderedProduct) obj; + return Objects.equals(this.orderId, other.orderId) + && Objects.equals(this.product, other.product) + && Objects.equals(this.orderStatus, other.orderStatus); + } + + @Override + public String toString() { + return "OrderedProduct{" + + "orderId='" + orderId + '\'' + + ", product='" + product + '\'' + + ", orderStatus=" + orderStatus + + '}'; + } +} diff --git a/axon/src/main/java/com/baeldung/axon/eventhandlers/MessagesEventHandler.java b/axon/src/main/java/com/baeldung/axon/eventhandlers/MessagesEventHandler.java deleted file mode 100644 index 3e51e19c4e..0000000000 --- a/axon/src/main/java/com/baeldung/axon/eventhandlers/MessagesEventHandler.java +++ /dev/null @@ -1,19 +0,0 @@ -package com.baeldung.axon.eventhandlers; - -import com.baeldung.axon.events.MessageReadEvent; -import com.baeldung.axon.events.MessageCreatedEvent; -import org.axonframework.eventhandling.EventHandler; - - -public class MessagesEventHandler { - - @EventHandler - public void handle(MessageCreatedEvent event) { - System.out.println("Message received: " + event.getText() + " (" + event.getId() + ")"); - } - - @EventHandler - public void handle(MessageReadEvent event) { - System.out.println("Message read: " + event.getId()); - } -} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/events/MessageCreatedEvent.java b/axon/src/main/java/com/baeldung/axon/events/MessageCreatedEvent.java deleted file mode 100644 index 3c9aac5ed8..0000000000 --- a/axon/src/main/java/com/baeldung/axon/events/MessageCreatedEvent.java +++ /dev/null @@ -1,20 +0,0 @@ -package com.baeldung.axon.events; - -public class MessageCreatedEvent { - - private final String id; - private final String text; - - public MessageCreatedEvent(String id, String text) { - this.id = id; - this.text = text; - } - - public String getId() { - return id; - } - - public String getText() { - return text; - } -} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/events/MessageReadEvent.java b/axon/src/main/java/com/baeldung/axon/events/MessageReadEvent.java deleted file mode 100644 index 57bfc8e19e..0000000000 --- a/axon/src/main/java/com/baeldung/axon/events/MessageReadEvent.java +++ /dev/null @@ -1,14 +0,0 @@ -package com.baeldung.axon.events; - -public class MessageReadEvent { - - private final String id; - - public MessageReadEvent(String id) { - this.id = id; - } - - public String getId() { - return id; - } -} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/gui/OrderRestEndpoint.java b/axon/src/main/java/com/baeldung/axon/gui/OrderRestEndpoint.java new file mode 100644 index 0000000000..a9f34cc691 --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/gui/OrderRestEndpoint.java @@ -0,0 +1,52 @@ +package com.baeldung.axon.gui; + +import java.util.List; +import java.util.UUID; + +import org.axonframework.commandhandling.gateway.CommandGateway; +import org.axonframework.messaging.responsetypes.ResponseTypes; +import org.axonframework.queryhandling.QueryGateway; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.PostMapping; +import org.springframework.web.bind.annotation.RestController; + +import com.baeldung.axon.coreapi.commands.ConfirmOrderCommand; +import com.baeldung.axon.coreapi.commands.PlaceOrderCommand; +import com.baeldung.axon.coreapi.commands.ShipOrderCommand; +import com.baeldung.axon.coreapi.queries.FindAllOrderedProductsQuery; +import com.baeldung.axon.coreapi.queries.OrderedProduct; + +@RestController +public class OrderRestEndpoint { + + private final CommandGateway commandGateway; + private final QueryGateway queryGateway; + + public OrderRestEndpoint(CommandGateway commandGateway, QueryGateway queryGateway) { + this.commandGateway = commandGateway; + this.queryGateway = queryGateway; + } + + @PostMapping("/ship-order") + public void shipOrder() { + String orderId = UUID.randomUUID().toString(); + commandGateway.send(new PlaceOrderCommand(orderId, "Deluxe Chair")); + commandGateway.send(new ConfirmOrderCommand(orderId)); + commandGateway.send(new ShipOrderCommand(orderId)); + } + + @PostMapping("/ship-unconfirmed-order") + public void shipUnconfirmedOrder() { + String orderId = UUID.randomUUID().toString(); + commandGateway.send(new PlaceOrderCommand(orderId, "Deluxe Chair")); + // This throws an exception, as an Order cannot be shipped if it has not been confirmed yet. + commandGateway.send(new ShipOrderCommand(orderId)); + } + + @GetMapping("/all-orders") + public List findAllOrderedProducts() { + return queryGateway.query(new FindAllOrderedProductsQuery(), ResponseTypes.multipleInstancesOf(OrderedProduct.class)) + .join(); + } + +} diff --git a/axon/src/main/java/com/baeldung/axon/querymodel/OrderedProductsEventHandler.java b/axon/src/main/java/com/baeldung/axon/querymodel/OrderedProductsEventHandler.java new file mode 100644 index 0000000000..d4cf3d999b --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/querymodel/OrderedProductsEventHandler.java @@ -0,0 +1,50 @@ +package com.baeldung.axon.querymodel; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.axonframework.eventhandling.EventHandler; +import org.axonframework.queryhandling.QueryHandler; +import org.springframework.stereotype.Service; + +import com.baeldung.axon.coreapi.events.OrderConfirmedEvent; +import com.baeldung.axon.coreapi.events.OrderPlacedEvent; +import com.baeldung.axon.coreapi.events.OrderShippedEvent; +import com.baeldung.axon.coreapi.queries.FindAllOrderedProductsQuery; +import com.baeldung.axon.coreapi.queries.OrderedProduct; + +@Service +public class OrderedProductsEventHandler { + + private final Map orderedProducts = new HashMap<>(); + + @EventHandler + public void on(OrderPlacedEvent event) { + String orderId = event.getOrderId(); + orderedProducts.put(orderId, new OrderedProduct(orderId, event.getProduct())); + } + + @EventHandler + public void on(OrderConfirmedEvent event) { + orderedProducts.computeIfPresent(event.getOrderId(), (orderId, orderedProduct) -> { + orderedProduct.setOrderConfirmed(); + return orderedProduct; + }); + } + + @EventHandler + public void on(OrderShippedEvent event) { + orderedProducts.computeIfPresent(event.getOrderId(), (orderId, orderedProduct) -> { + orderedProduct.setOrderShipped(); + return orderedProduct; + }); + } + + @QueryHandler + public List handle(FindAllOrderedProductsQuery query) { + return new ArrayList<>(orderedProducts.values()); + } + +} \ No newline at end of file diff --git a/axon/src/main/resources/order-api.http b/axon/src/main/resources/order-api.http new file mode 100644 index 0000000000..a3c69c72bc --- /dev/null +++ b/axon/src/main/resources/order-api.http @@ -0,0 +1,11 @@ +POST http://localhost:8080/ship-order + +### + +POST http://localhost:8080/ship-unconfirmed-order + +### + +GET http://localhost:8080/all-orders + +### diff --git a/axon/src/test/java/com/baeldung/axon/MessagesAggregateIntegrationTest.java b/axon/src/test/java/com/baeldung/axon/MessagesAggregateIntegrationTest.java deleted file mode 100644 index ad099d2c2b..0000000000 --- a/axon/src/test/java/com/baeldung/axon/MessagesAggregateIntegrationTest.java +++ /dev/null @@ -1,42 +0,0 @@ -package com.baeldung.axon; - -import com.baeldung.axon.aggregates.MessagesAggregate; -import com.baeldung.axon.commands.CreateMessageCommand; -import com.baeldung.axon.commands.MarkReadMessageCommand; -import com.baeldung.axon.events.MessageCreatedEvent; -import com.baeldung.axon.events.MessageReadEvent; -import org.axonframework.test.aggregate.AggregateTestFixture; -import org.axonframework.test.aggregate.FixtureConfiguration; -import org.junit.Before; -import org.junit.Test; - -import java.util.UUID; - -public class MessagesAggregateIntegrationTest { - - private FixtureConfiguration fixture; - - @Before - public void setUp() throws Exception { - fixture = new AggregateTestFixture(MessagesAggregate.class); - - } - - @Test - public void giveAggregateRoot_whenCreateMessageCommand_thenShouldProduceMessageCreatedEvent() throws Exception { - String eventText = "Hello, how is your day?"; - String id = UUID.randomUUID().toString(); - fixture.given() - .when(new CreateMessageCommand(id, eventText)) - .expectEvents(new MessageCreatedEvent(id, eventText)); - } - - @Test - public void givenMessageCreatedEvent_whenReadMessageCommand_thenShouldProduceMessageReadEvent() throws Exception { - String id = UUID.randomUUID().toString(); - - fixture.given(new MessageCreatedEvent(id, "Hello :-)")) - .when(new MarkReadMessageCommand(id)) - .expectEvents(new MessageReadEvent(id)); - } -} \ No newline at end of file diff --git a/axon/src/test/java/com/baeldung/axon/commandmodel/OrderAggregateUnitTest.java b/axon/src/test/java/com/baeldung/axon/commandmodel/OrderAggregateUnitTest.java new file mode 100644 index 0000000000..9beedbaa19 --- /dev/null +++ b/axon/src/test/java/com/baeldung/axon/commandmodel/OrderAggregateUnitTest.java @@ -0,0 +1,61 @@ +package com.baeldung.axon.commandmodel; + +import java.util.UUID; + +import org.axonframework.test.aggregate.AggregateTestFixture; +import org.axonframework.test.aggregate.FixtureConfiguration; +import org.junit.*; + +import com.baeldung.axon.coreapi.commands.ConfirmOrderCommand; +import com.baeldung.axon.coreapi.commands.PlaceOrderCommand; +import com.baeldung.axon.coreapi.commands.ShipOrderCommand; +import com.baeldung.axon.coreapi.events.OrderConfirmedEvent; +import com.baeldung.axon.coreapi.events.OrderPlacedEvent; +import com.baeldung.axon.coreapi.events.OrderShippedEvent; + +public class OrderAggregateUnitTest { + + private FixtureConfiguration fixture; + + @Before + public void setUp() { + fixture = new AggregateTestFixture<>(OrderAggregate.class); + } + + @Test + public void giveNoPriorActivity_whenPlaceOrderCommand_thenShouldPublishOrderPlacedEvent() { + String orderId = UUID.randomUUID().toString(); + String product = "Deluxe Chair"; + fixture.givenNoPriorActivity() + .when(new PlaceOrderCommand(orderId, product)) + .expectEvents(new OrderPlacedEvent(orderId, product)); + } + + @Test + public void givenOrderPlacedEvent_whenConfirmOrderCommand_thenShouldPublishOrderConfirmedEvent() { + String orderId = UUID.randomUUID().toString(); + String product = "Deluxe Chair"; + fixture.given(new OrderPlacedEvent(orderId, product)) + .when(new ConfirmOrderCommand(orderId)) + .expectEvents(new OrderConfirmedEvent(orderId)); + } + + @Test + public void givenOrderPlacedEvent_whenShipOrderCommand_thenShouldThrowIllegalStateException() { + String orderId = UUID.randomUUID().toString(); + String product = "Deluxe Chair"; + fixture.given(new OrderPlacedEvent(orderId, product)) + .when(new ShipOrderCommand(orderId)) + .expectException(IllegalStateException.class); + } + + @Test + public void givenOrderPlacedEventAndOrderConfirmedEvent_whenShipOrderCommand_thenShouldPublishOrderShippedEvent() { + String orderId = UUID.randomUUID().toString(); + String product = "Deluxe Chair"; + fixture.given(new OrderPlacedEvent(orderId, product), new OrderConfirmedEvent(orderId)) + .when(new ShipOrderCommand(orderId)) + .expectEvents(new OrderShippedEvent(orderId)); + } + +} \ No newline at end of file diff --git a/azure/pom.xml b/azure/pom.xml index 555efeef70..270b3e4829 100644 --- a/azure/pom.xml +++ b/azure/pom.xml @@ -5,9 +5,9 @@ com.baeldung azure 0.1 - war azure Demo project for Spring Boot on Azure + war parent-boot-2 @@ -127,7 +127,6 @@ ${azure.containerRegistry}.azurecr.io 1.1.0 1.1.0 - 1.8 diff --git a/blade/README.md b/blade/README.md new file mode 100644 index 0000000000..d823de775f --- /dev/null +++ b/blade/README.md @@ -0,0 +1,5 @@ +### Relevant Articles: + +- [Blade - A Complete GuideBook](http://www.baeldung.com/blade) + +Run Integration Tests with `mvn integration-test` \ No newline at end of file diff --git a/blade/pom.xml b/blade/pom.xml new file mode 100644 index 0000000000..37615bed01 --- /dev/null +++ b/blade/pom.xml @@ -0,0 +1,205 @@ + + + 4.0.0 + + com.baeldung + blade + 1.0.0-SNAPSHOT + blade + + + + + + + + + + + + com.bladejava + blade-mvc + ${blade-mvc.version} + + + + org.webjars + bootstrap + ${bootstrap.version} + + + + org.apache.commons + commons-lang3 + ${commons-lang3.version} + + + + + org.projectlombok + lombok + ${lombok.version} + provided + + + + + junit + junit + ${junit.version} + test + + + org.assertj + assertj-core + ${assertj-core.version} + test + + + org.apache.httpcomponents + httpclient + ${httpclient.version} + test + + + org.apache.httpcomponents + httpmime + ${httpmime.version} + test + + + org.apache.httpcomponents + httpcore + ${httpcore.version} + test + + + + sample-blade-app + + + + org.apache.maven.plugins + maven-surefire-plugin + ${maven-surefire-plugin.version} + + 3 + true + + **/*LiveTest.java + + + + + + org.apache.maven.plugins + maven-failsafe-plugin + ${maven-failsafe-plugin.version} + + + **/*LiveTest.java + + + + + + integration-test + verify + + + + + + + com.bazaarvoice.maven.plugins + process-exec-maven-plugin + ${process-exec-maven-plugin.version} + + + + blade-process + pre-integration-test + + start + + + Blade + false + + java + -jar + sample-blade-app.jar + + + + + + + stop-all + post-integration-test + + stop-all + + + + + + + + maven-assembly-plugin + 3.1.0 + + ${project.build.finalName} + false + + + com.baeldung.blade.sample.App + + + + jar-with-dependencies + + + + + make-assembly + package + + single + + + + + + org.apache.maven.plugins + maven-compiler-plugin + ${maven-compiler-plugin.version} + + ${maven.compiler.source} + ${maven.compiler.target} + UTF-8 + + + + + + + 1.8 + 1.8 + 2.0.14.RELEASE + 4.2.1 + 3.8.1 + 1.18.4 + 4.12 + 4.5.6 + 4.5.6 + 4.4.10 + 3.11.1 + 3.0.0-M3 + 0.7 + 2.21.0 + 3.7.0 + + diff --git a/blade/src/main/java/com/baeldung/blade/sample/App.java b/blade/src/main/java/com/baeldung/blade/sample/App.java new file mode 100644 index 0000000000..f3f3d4aebd --- /dev/null +++ b/blade/src/main/java/com/baeldung/blade/sample/App.java @@ -0,0 +1,38 @@ +package com.baeldung.blade.sample; + +import com.baeldung.blade.sample.interceptors.BaeldungMiddleware; +import com.blade.Blade; +import com.blade.event.EventType; +import com.blade.mvc.WebContext; +import com.blade.mvc.http.Session; + +public class App { + + private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(App.class); + + public static void main(String[] args) { + + Blade.of() + .get("/", ctx -> ctx.render("index.html")) + .get("/basic-route-example", ctx -> ctx.text("GET called")) + .post("/basic-route-example", ctx -> ctx.text("POST called")) + .put("/basic-route-example", ctx -> ctx.text("PUT called")) + .delete("/basic-route-example", ctx -> ctx.text("DELETE called")) + .addStatics("/custom-static") + // .showFileList(true) + .enableCors(true) + .before("/user/*", ctx -> log.info("[NarrowedHook] Before '/user/*', URL called: " + ctx.uri())) + .on(EventType.SERVER_STARTED, e -> { + String version = WebContext.blade() + .env("app.version") + .orElse("N/D"); + log.info("[Event::serverStarted] Loading 'app.version' from configuration, value: " + version); + }) + .on(EventType.SESSION_CREATED, e -> { + Session session = (Session) e.attribute("session"); + session.attribute("mySessionValue", "Baeldung"); + }) + .use(new BaeldungMiddleware()) + .start(App.class, args); + } +} diff --git a/blade/src/main/java/com/baeldung/blade/sample/AttributesExampleController.java b/blade/src/main/java/com/baeldung/blade/sample/AttributesExampleController.java new file mode 100644 index 0000000000..339ba701f7 --- /dev/null +++ b/blade/src/main/java/com/baeldung/blade/sample/AttributesExampleController.java @@ -0,0 +1,37 @@ +package com.baeldung.blade.sample; + +import com.blade.mvc.annotation.GetRoute; +import com.blade.mvc.annotation.Path; +import com.blade.mvc.http.Request; +import com.blade.mvc.http.Response; +import com.blade.mvc.http.Session; + +@Path +public class AttributesExampleController { + + public final static String REQUEST_VALUE = "Some Request value"; + public final static String SESSION_VALUE = "1337"; + public final static String HEADER = "Some Header"; + + @GetRoute("/request-attribute-example") + public void getRequestAttribute(Request request, Response response) { + request.attribute("request-val", REQUEST_VALUE); + String requestVal = request.attribute("request-val"); + response.text(requestVal); + } + + @GetRoute("/session-attribute-example") + public void getSessionAttribute(Request request, Response response) { + Session session = request.session(); + session.attribute("session-val", SESSION_VALUE); + String sessionVal = session.attribute("session-val"); + response.text(sessionVal); + } + + @GetRoute("/header-example") + public void getHeader(Request request, Response response) { + String headerVal = request.header("a-header", HEADER); + response.header("a-header", headerVal); + } + +} diff --git a/blade/src/main/java/com/baeldung/blade/sample/LogExampleController.java b/blade/src/main/java/com/baeldung/blade/sample/LogExampleController.java new file mode 100644 index 0000000000..f0c22c70dd --- /dev/null +++ b/blade/src/main/java/com/baeldung/blade/sample/LogExampleController.java @@ -0,0 +1,22 @@ +package com.baeldung.blade.sample; + +import com.blade.mvc.annotation.Path; +import com.blade.mvc.annotation.Route; +import com.blade.mvc.http.Response; + +@Path +public class LogExampleController { + + private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(LogExampleController.class); + + @Route(value = "/test-logs") + public void testLogs(Response response) { + log.trace("This is a TRACE Message"); + log.debug("This is a DEBUG Message"); + log.info("This is an INFO Message"); + log.warn("This is a WARN Message"); + log.error("This is an ERROR Message"); + response.text("Check in ./logs"); + } + +} diff --git a/blade/src/main/java/com/baeldung/blade/sample/ParameterInjectionExampleController.java b/blade/src/main/java/com/baeldung/blade/sample/ParameterInjectionExampleController.java new file mode 100644 index 0000000000..bc28244022 --- /dev/null +++ b/blade/src/main/java/com/baeldung/blade/sample/ParameterInjectionExampleController.java @@ -0,0 +1,71 @@ +package com.baeldung.blade.sample; + +import java.nio.file.Files; +import java.nio.file.StandardOpenOption; + +import com.baeldung.blade.sample.vo.User; +import com.blade.mvc.annotation.CookieParam; +import com.blade.mvc.annotation.GetRoute; +import com.blade.mvc.annotation.HeaderParam; +import com.blade.mvc.annotation.JSON; +import com.blade.mvc.annotation.MultipartParam; +import com.blade.mvc.annotation.Param; +import com.blade.mvc.annotation.Path; +import com.blade.mvc.annotation.PathParam; +import com.blade.mvc.annotation.PostRoute; +import com.blade.mvc.http.Response; +import com.blade.mvc.multipart.FileItem; +import com.blade.mvc.ui.RestResponse; + +@Path +public class ParameterInjectionExampleController { + + private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(ParameterInjectionExampleController.class); + + @GetRoute("/params/form") + public void formParam(@Param String name, Response response) { + log.info("name: " + name); + response.text(name); + } + + @GetRoute("/params/path/:uid") + public void restfulParam(@PathParam Integer uid, Response response) { + log.info("uid: " + uid); + response.text(String.valueOf(uid)); + } + + @PostRoute("/params-file") // DO NOT USE A SLASH WITHIN THE ROUTE OR IT WILL BREAK (?) + @JSON + public RestResponse fileParam(@MultipartParam FileItem fileItem) throws Exception { + try { + byte[] fileContent = fileItem.getData(); + + log.debug("Saving the uploaded file"); + java.nio.file.Path tempFile = Files.createTempFile("baeldung_tempfiles", ".tmp"); + Files.write(tempFile, fileContent, StandardOpenOption.WRITE); + + return RestResponse.ok(); + } catch (Exception e) { + log.error(e.getMessage(), e); + return RestResponse.fail(e.getMessage()); + } + } + + @GetRoute("/params/header") + public void headerParam(@HeaderParam String customheader, Response response) { + log.info("Custom header: " + customheader); + response.text(customheader); + } + + @GetRoute("/params/cookie") + public void cookieParam(@CookieParam(defaultValue = "default value") String myCookie, Response response) { + log.info("myCookie: " + myCookie); + response.text(myCookie); + } + + @PostRoute("/params/vo") + public void voParam(@Param User user, Response response) { + log.info("user as voParam: " + user.toString()); + response.html(user.toString() + "

Back"); + } +} \ No newline at end of file diff --git a/blade/src/main/java/com/baeldung/blade/sample/RouteExampleController.java b/blade/src/main/java/com/baeldung/blade/sample/RouteExampleController.java new file mode 100644 index 0000000000..7ba2a270a9 --- /dev/null +++ b/blade/src/main/java/com/baeldung/blade/sample/RouteExampleController.java @@ -0,0 +1,78 @@ +package com.baeldung.blade.sample; + +import com.baeldung.blade.sample.configuration.BaeldungException; +import com.blade.mvc.WebContext; +import com.blade.mvc.annotation.DeleteRoute; +import com.blade.mvc.annotation.GetRoute; +import com.blade.mvc.annotation.Path; +import com.blade.mvc.annotation.PostRoute; +import com.blade.mvc.annotation.PutRoute; +import com.blade.mvc.annotation.Route; +import com.blade.mvc.http.HttpMethod; +import com.blade.mvc.http.Request; +import com.blade.mvc.http.Response; + +@Path +public class RouteExampleController { + + private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(RouteExampleController.class); + + @GetRoute("/route-example") + public String get() { + return "get.html"; + } + + @PostRoute("/route-example") + public String post() { + return "post.html"; + } + + @PutRoute("/route-example") + public String put() { + return "put.html"; + } + + @DeleteRoute("/route-example") + public String delete() { + return "delete.html"; + } + + @Route(value = "/another-route-example", method = HttpMethod.GET) + public String anotherGet() { + return "get.html"; + } + + @Route(value = "/allmatch-route-example") + public String allmatch() { + return "allmatch.html"; + } + + @Route(value = "/triggerInternalServerError") + public void triggerInternalServerError() { + int x = 1 / 0; + } + + @Route(value = "/triggerBaeldungException") + public void triggerBaeldungException() throws BaeldungException { + throw new BaeldungException("Foobar Exception to threat differently"); + } + + @Route(value = "/user/foo") + public void urlCoveredByNarrowedWebhook(Response response) { + response.text("Check out for the WebHook covering '/user/*' in the logs"); + } + + @GetRoute("/load-configuration-in-a-route") + public void loadConfigurationInARoute(Response response) { + String authors = WebContext.blade() + .env("app.authors", "Unknown authors"); + log.info("[/load-configuration-in-a-route] Loading 'app.authors' from configuration, value: " + authors); + response.render("index.html"); + } + + @GetRoute("/template-output-test") + public void templateOutputTest(Request request, Response response) { + request.attribute("name", "Blade"); + response.render("template-output-test.html"); + } +} diff --git a/blade/src/main/java/com/baeldung/blade/sample/configuration/BaeldungException.java b/blade/src/main/java/com/baeldung/blade/sample/configuration/BaeldungException.java new file mode 100644 index 0000000000..01a030b7e7 --- /dev/null +++ b/blade/src/main/java/com/baeldung/blade/sample/configuration/BaeldungException.java @@ -0,0 +1,9 @@ +package com.baeldung.blade.sample.configuration; + +public class BaeldungException extends RuntimeException { + + public BaeldungException(String message) { + super(message); + } + +} \ No newline at end of file diff --git a/blade/src/main/java/com/baeldung/blade/sample/configuration/GlobalExceptionHandler.java b/blade/src/main/java/com/baeldung/blade/sample/configuration/GlobalExceptionHandler.java new file mode 100644 index 0000000000..ab7b81c0dc --- /dev/null +++ b/blade/src/main/java/com/baeldung/blade/sample/configuration/GlobalExceptionHandler.java @@ -0,0 +1,25 @@ +package com.baeldung.blade.sample.configuration; + +import com.blade.ioc.annotation.Bean; +import com.blade.mvc.WebContext; +import com.blade.mvc.handler.DefaultExceptionHandler; + +@Bean +public class GlobalExceptionHandler extends DefaultExceptionHandler { + + private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(GlobalExceptionHandler.class); + + @Override + public void handle(Exception e) { + if (e instanceof BaeldungException) { + Exception baeldungException = (BaeldungException) e; + String msg = baeldungException.getMessage(); + log.error("[GlobalExceptionHandler] Intercepted an exception to threat with additional logic. Error message: " + msg); + WebContext.response() + .render("index.html"); + + } else { + super.handle(e); + } + } +} \ No newline at end of file diff --git a/blade/src/main/java/com/baeldung/blade/sample/configuration/LoadConfig.java b/blade/src/main/java/com/baeldung/blade/sample/configuration/LoadConfig.java new file mode 100644 index 0000000000..0f1aab1b52 --- /dev/null +++ b/blade/src/main/java/com/baeldung/blade/sample/configuration/LoadConfig.java @@ -0,0 +1,23 @@ +package com.baeldung.blade.sample.configuration; + +import com.blade.Blade; +import com.blade.ioc.annotation.Bean; +import com.blade.loader.BladeLoader; +import com.blade.mvc.WebContext; + +@Bean +public class LoadConfig implements BladeLoader { + + private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(LoadConfig.class); + + @Override + public void load(Blade blade) { + String version = WebContext.blade() + .env("app.version") + .orElse("N/D"); + String authors = WebContext.blade() + .env("app.authors", "Unknown authors"); + + log.info("[LoadConfig] loaded 'app.version' (" + version + ") and 'app.authors' (" + authors + ") in a configuration bean"); + } +} \ No newline at end of file diff --git a/blade/src/main/java/com/baeldung/blade/sample/configuration/ScheduleExample.java b/blade/src/main/java/com/baeldung/blade/sample/configuration/ScheduleExample.java new file mode 100644 index 0000000000..c170975818 --- /dev/null +++ b/blade/src/main/java/com/baeldung/blade/sample/configuration/ScheduleExample.java @@ -0,0 +1,15 @@ +package com.baeldung.blade.sample.configuration; + +import com.blade.ioc.annotation.Bean; +import com.blade.task.annotation.Schedule; + +@Bean +public class ScheduleExample { + + private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(ScheduleExample.class); + + @Schedule(name = "baeldungTask", cron = "0 */1 * * * ?") + public void runScheduledTask() { + log.info("[ScheduleExample] This is a scheduled Task running once per minute."); + } +} diff --git a/blade/src/main/java/com/baeldung/blade/sample/interceptors/BaeldungHook.java b/blade/src/main/java/com/baeldung/blade/sample/interceptors/BaeldungHook.java new file mode 100644 index 0000000000..4d0d178b0d --- /dev/null +++ b/blade/src/main/java/com/baeldung/blade/sample/interceptors/BaeldungHook.java @@ -0,0 +1,17 @@ +package com.baeldung.blade.sample.interceptors; + +import com.blade.ioc.annotation.Bean; +import com.blade.mvc.RouteContext; +import com.blade.mvc.hook.WebHook; + +@Bean +public class BaeldungHook implements WebHook { + + private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(BaeldungHook.class); + + @Override + public boolean before(RouteContext ctx) { + log.info("[BaeldungHook] called before Route method"); + return true; + } +} \ No newline at end of file diff --git a/blade/src/main/java/com/baeldung/blade/sample/interceptors/BaeldungMiddleware.java b/blade/src/main/java/com/baeldung/blade/sample/interceptors/BaeldungMiddleware.java new file mode 100644 index 0000000000..3342cd8b01 --- /dev/null +++ b/blade/src/main/java/com/baeldung/blade/sample/interceptors/BaeldungMiddleware.java @@ -0,0 +1,15 @@ +package com.baeldung.blade.sample.interceptors; + +import com.blade.mvc.RouteContext; +import com.blade.mvc.hook.WebHook; + +public class BaeldungMiddleware implements WebHook { + + private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(BaeldungMiddleware.class); + + @Override + public boolean before(RouteContext context) { + log.info("[BaeldungMiddleware] called before Route method and other WebHooks"); + return true; + } +} \ No newline at end of file diff --git a/blade/src/main/java/com/baeldung/blade/sample/vo/User.java b/blade/src/main/java/com/baeldung/blade/sample/vo/User.java new file mode 100644 index 0000000000..b493dc3663 --- /dev/null +++ b/blade/src/main/java/com/baeldung/blade/sample/vo/User.java @@ -0,0 +1,16 @@ +package com.baeldung.blade.sample.vo; + +import org.apache.commons.lang3.builder.ReflectionToStringBuilder; + +import lombok.Getter; +import lombok.Setter; + +public class User { + @Getter @Setter private String name; + @Getter @Setter private String site; + + @Override + public String toString() { + return ReflectionToStringBuilder.toString(this); + } +} \ No newline at end of file diff --git a/blade/src/main/resources/application.properties b/blade/src/main/resources/application.properties new file mode 100644 index 0000000000..ebf365406a --- /dev/null +++ b/blade/src/main/resources/application.properties @@ -0,0 +1,5 @@ +mvc.statics.show-list=true +mvc.view.404=my-404.html +mvc.view.500=my-500.html +app.version=0.0.1 +app.authors=Andrea Ligios diff --git a/blade/src/main/resources/custom-static/icon.png b/blade/src/main/resources/custom-static/icon.png new file mode 100644 index 0000000000..59af395afc Binary files /dev/null and b/blade/src/main/resources/custom-static/icon.png differ diff --git a/blade/src/main/resources/favicon.ico b/blade/src/main/resources/favicon.ico new file mode 100644 index 0000000000..ca63a6a890 Binary files /dev/null and b/blade/src/main/resources/favicon.ico differ diff --git a/blade/src/main/resources/static/app.css b/blade/src/main/resources/static/app.css new file mode 100644 index 0000000000..9fff13d9b6 --- /dev/null +++ b/blade/src/main/resources/static/app.css @@ -0,0 +1 @@ +/* App CSS */ \ No newline at end of file diff --git a/persistence-modules/hibernate5/transaction.log b/blade/src/main/resources/static/app.js similarity index 100% rename from persistence-modules/hibernate5/transaction.log rename to blade/src/main/resources/static/app.js diff --git a/blade/src/main/resources/static/file-upload.html b/blade/src/main/resources/static/file-upload.html new file mode 100644 index 0000000000..b805be81b1 --- /dev/null +++ b/blade/src/main/resources/static/file-upload.html @@ -0,0 +1,43 @@ + + + + +Title + + + + + +

File Upload and download test

+
+ + +
+ +
+ Back + + + + \ No newline at end of file diff --git a/blade/src/main/resources/static/user-post.html b/blade/src/main/resources/static/user-post.html new file mode 100644 index 0000000000..ccfc4e8d0b --- /dev/null +++ b/blade/src/main/resources/static/user-post.html @@ -0,0 +1,25 @@ + + + + +Title + + + + + +

User POJO post test

+ + +
+ Person POJO: + + + +
+ +
+ Back + + + \ No newline at end of file diff --git a/blade/src/main/resources/templates/allmatch.html b/blade/src/main/resources/templates/allmatch.html new file mode 100644 index 0000000000..7a4bfa070f --- /dev/null +++ b/blade/src/main/resources/templates/allmatch.html @@ -0,0 +1 @@ +ALLMATCH called \ No newline at end of file diff --git a/blade/src/main/resources/templates/delete.html b/blade/src/main/resources/templates/delete.html new file mode 100644 index 0000000000..1acb4b0b62 --- /dev/null +++ b/blade/src/main/resources/templates/delete.html @@ -0,0 +1 @@ +DELETE called \ No newline at end of file diff --git a/blade/src/main/resources/templates/get.html b/blade/src/main/resources/templates/get.html new file mode 100644 index 0000000000..2c37aa1058 --- /dev/null +++ b/blade/src/main/resources/templates/get.html @@ -0,0 +1 @@ +GET called \ No newline at end of file diff --git a/blade/src/main/resources/templates/index.html b/blade/src/main/resources/templates/index.html new file mode 100644 index 0000000000..6b7c2e77ad --- /dev/null +++ b/blade/src/main/resources/templates/index.html @@ -0,0 +1,30 @@ + + + + +Baeldung Blade App • Written by Andrea Ligios + + + +

Baeldung Blade App - Showcase

+ +

Manual tests

+

The following are tests which are not covered by integration tests, but that can be run manually in order to check the functionality, either in the browser or in the logs, depending on the case.

+ + + + +

Session value created in App.java

+

mySessionValue = ${mySessionValue}

+ + + + + \ No newline at end of file diff --git a/blade/src/main/resources/templates/my-404.html b/blade/src/main/resources/templates/my-404.html new file mode 100644 index 0000000000..0fa694f241 --- /dev/null +++ b/blade/src/main/resources/templates/my-404.html @@ -0,0 +1,10 @@ + + + + + 404 Not found + + + Custom Error 404 Page + + \ No newline at end of file diff --git a/blade/src/main/resources/templates/my-500.html b/blade/src/main/resources/templates/my-500.html new file mode 100644 index 0000000000..cc8438bfd6 --- /dev/null +++ b/blade/src/main/resources/templates/my-500.html @@ -0,0 +1,12 @@ + + + + + 500 Internal Server Error + + +

Custom Error 500 Page

+

The following error occurred： "${message}"

+ 
 ${stackTrace}
+ + \ No newline at end of file diff --git a/blade/src/main/resources/templates/post.html b/blade/src/main/resources/templates/post.html new file mode 100644 index 0000000000..b7a8a931cd --- /dev/null +++ b/blade/src/main/resources/templates/post.html @@ -0,0 +1 @@ +POST called \ No newline at end of file diff --git a/blade/src/main/resources/templates/put.html b/blade/src/main/resources/templates/put.html new file mode 100644 index 0000000000..bdbe6d3285 --- /dev/null +++ b/blade/src/main/resources/templates/put.html @@ -0,0 +1 @@ +PUT called \ No newline at end of file diff --git a/blade/src/main/resources/templates/template-output-test.html b/blade/src/main/resources/templates/template-output-test.html new file mode 100644 index 0000000000..233b12fb88 --- /dev/null +++ b/blade/src/main/resources/templates/template-output-test.html @@ -0,0 +1 @@ +

Hello, ${name}!

\ No newline at end of file diff --git a/blade/src/test/java/com/baeldung/blade/sample/AppLiveTest.java b/blade/src/test/java/com/baeldung/blade/sample/AppLiveTest.java new file mode 100644 index 0000000000..1172e6755f --- /dev/null +++ b/blade/src/test/java/com/baeldung/blade/sample/AppLiveTest.java @@ -0,0 +1,56 @@ +package com.baeldung.blade.sample; + +import static org.assertj.core.api.Assertions.assertThat; + +import org.apache.http.client.methods.CloseableHttpResponse; +import org.apache.http.client.methods.HttpDelete; +import org.apache.http.client.methods.HttpGet; +import org.apache.http.client.methods.HttpPost; +import org.apache.http.client.methods.HttpPut; +import org.apache.http.client.methods.HttpUriRequest; +import org.apache.http.impl.client.HttpClientBuilder; +import org.apache.http.util.EntityUtils; +import org.junit.Test; + +public class AppLiveTest { + + @Test + public void givenBasicRoute_whenGet_thenCorrectOutput() throws Exception { + final HttpUriRequest request = new HttpGet("http://localhost:9000/basic-route-example"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("GET called"); + } + } + + @Test + public void givenBasicRoute_whenPost_thenCorrectOutput() throws Exception { + final HttpUriRequest request = new HttpPost("http://localhost:9000/basic-route-example"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("POST called"); + } + } + + @Test + public void givenBasicRoute_whenPut_thenCorrectOutput() throws Exception { + final HttpUriRequest request = new HttpPut("http://localhost:9000/basic-route-example"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("PUT called"); + } + } + + @Test + public void givenBasicRoute_whenDelete_thenCorrectOutput() throws Exception { + final HttpUriRequest request = new HttpDelete("http://localhost:9000/basic-route-example"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("DELETE called"); + } + } +} diff --git a/blade/src/test/java/com/baeldung/blade/sample/AttributesExampleControllerLiveTest.java b/blade/src/test/java/com/baeldung/blade/sample/AttributesExampleControllerLiveTest.java new file mode 100644 index 0000000000..7cf00c2d4b --- /dev/null +++ b/blade/src/test/java/com/baeldung/blade/sample/AttributesExampleControllerLiveTest.java @@ -0,0 +1,55 @@ +package com.baeldung.blade.sample; + +import static org.assertj.core.api.Assertions.assertThat; + +import org.apache.http.client.methods.CloseableHttpResponse; +import org.apache.http.client.methods.HttpGet; +import org.apache.http.client.methods.HttpUriRequest; +import org.apache.http.impl.client.HttpClientBuilder; +import org.apache.http.util.EntityUtils; +import org.junit.Test; + +public class AttributesExampleControllerLiveTest { + + @Test + public void givenRequestAttribute_whenSet_thenRetrieveWithGet() throws Exception { + final HttpUriRequest request = new HttpGet("http://localhost:9000/request-attribute-example"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo(AttributesExampleController.REQUEST_VALUE); + } + } + + @Test + public void givenSessionAttribute_whenSet_thenRetrieveWithGet() throws Exception { + final HttpUriRequest request = new HttpGet("http://localhost:9000/session-attribute-example"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo(AttributesExampleController.SESSION_VALUE); + } + } + + @Test + public void givenHeader_whenSet_thenRetrieveWithGet() throws Exception { + final HttpUriRequest request = new HttpGet("http://localhost:9000/header-example"); + request.addHeader("a-header","foobar"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(httpResponse.getHeaders("a-header")[0].getValue()).isEqualTo("foobar"); + } + } + + @Test + public void givenNoHeader_whenSet_thenRetrieveDefaultValueWithGet() throws Exception { + final HttpUriRequest request = new HttpGet("http://localhost:9000/header-example"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(httpResponse.getHeaders("a-header")[0].getValue()).isEqualTo(AttributesExampleController.HEADER); + } + } + +} diff --git a/blade/src/test/java/com/baeldung/blade/sample/ParameterInjectionExampleControllerLiveTest.java b/blade/src/test/java/com/baeldung/blade/sample/ParameterInjectionExampleControllerLiveTest.java new file mode 100644 index 0000000000..fbd5280116 --- /dev/null +++ b/blade/src/test/java/com/baeldung/blade/sample/ParameterInjectionExampleControllerLiveTest.java @@ -0,0 +1,82 @@ +package com.baeldung.blade.sample; + +import static org.assertj.core.api.Assertions.assertThat; + +import org.apache.http.client.methods.CloseableHttpResponse; +import org.apache.http.client.methods.HttpGet; +import org.apache.http.client.methods.HttpUriRequest; +import org.apache.http.client.utils.URIBuilder; +import org.apache.http.impl.client.HttpClientBuilder; +import org.apache.http.util.EntityUtils; +import org.junit.Test; + +public class ParameterInjectionExampleControllerLiveTest { + + @Test + public void givenFormParam_whenSet_thenRetrieveWithGet() throws Exception { + URIBuilder builder = new URIBuilder("http://localhost:9000/params/form"); + builder.setParameter("name", "Andrea Ligios"); + + final HttpUriRequest request = new HttpGet(builder.build()); + + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("Andrea Ligios"); + } + } + + @Test + public void givenPathParam_whenSet_thenRetrieveWithGet() throws Exception { + final HttpUriRequest request = new HttpGet("http://localhost:9000/params/path/1337"); + + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("1337"); + } + } + + // @Test + // public void givenFileParam_whenSet_thenRetrieveWithGet() throws Exception { + // + // byte[] data = "this is some temp file content".getBytes("UTF-8"); + // java.nio.file.Path tempFile = Files.createTempFile("baeldung_test_tempfiles", ".tmp"); + // Files.write(tempFile, data, StandardOpenOption.WRITE); + // + // //HttpEntity entity = MultipartEntityBuilder.create().addPart("file", new FileBody(tempFile.toFile())).build(); + // HttpEntity entity = MultipartEntityBuilder.create().addTextBody("field1", "value1") + // .addBinaryBody("fileItem", tempFile.toFile(), ContentType.create("application/octet-stream"), "file1.txt").build(); + // + // final HttpPost post = new HttpPost("http://localhost:9000/params-file"); + // post.setEntity(entity); + // + // try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create().build().execute(post);) { + // assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("file1.txt"); + // } + // } + + @Test + public void givenHeader_whenSet_thenRetrieveWithGet() throws Exception { + final HttpUriRequest request = new HttpGet("http://localhost:9000/params/header"); + request.addHeader("customheader", "foobar"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("foobar"); + } + } + + @Test + public void givenNoCookie_whenCalled_thenReadDefaultValue() throws Exception { + + final HttpUriRequest request = new HttpGet("http://localhost:9000/params/cookie"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("default value"); + } + + } + +} diff --git a/blade/src/test/java/com/baeldung/blade/sample/RouteExampleControllerLiveTest.java b/blade/src/test/java/com/baeldung/blade/sample/RouteExampleControllerLiveTest.java new file mode 100644 index 0000000000..df8e70c461 --- /dev/null +++ b/blade/src/test/java/com/baeldung/blade/sample/RouteExampleControllerLiveTest.java @@ -0,0 +1,117 @@ +package com.baeldung.blade.sample; + +import static org.assertj.core.api.Assertions.assertThat; + +import org.apache.http.client.methods.CloseableHttpResponse; +import org.apache.http.client.methods.HttpDelete; +import org.apache.http.client.methods.HttpGet; +import org.apache.http.client.methods.HttpPost; +import org.apache.http.client.methods.HttpPut; +import org.apache.http.client.methods.HttpUriRequest; +import org.apache.http.impl.client.HttpClientBuilder; +import org.apache.http.util.EntityUtils; +import org.junit.Test; + +public class RouteExampleControllerLiveTest { + + @Test + public void givenRoute_whenGet_thenCorrectOutput() throws Exception { + final HttpUriRequest request = new HttpGet("http://localhost:9000/route-example"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("GET called"); + } + } + + @Test + public void givenRoute_whenPost_thenCorrectOutput() throws Exception { + final HttpUriRequest request = new HttpPost("http://localhost:9000/route-example"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("POST called"); + } + } + + @Test + public void givenRoute_whenPut_thenCorrectOutput() throws Exception { + final HttpUriRequest request = new HttpPut("http://localhost:9000/route-example"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("PUT called"); + } + } + + @Test + public void givenRoute_whenDelete_thenCorrectOutput() throws Exception { + final HttpUriRequest request = new HttpDelete("http://localhost:9000/route-example"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("DELETE called"); + } + } + + @Test + public void givenAnotherRoute_whenGet_thenCorrectOutput() throws Exception { + final HttpUriRequest request = new HttpGet("http://localhost:9000/another-route-example"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("GET called"); + } + } + + @Test + public void givenAllMatchRoute_whenGet_thenCorrectOutput() throws Exception { + final HttpUriRequest request = new HttpGet("http://localhost:9000/allmatch-route-example"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("ALLMATCH called"); + } + } + + @Test + public void givenAllMatchRoute_whenPost_thenCorrectOutput() throws Exception { + final HttpUriRequest request = new HttpPost("http://localhost:9000/allmatch-route-example"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("ALLMATCH called"); + } + } + + @Test + public void givenAllMatchRoute_whenPut_thenCorrectOutput() throws Exception { + final HttpUriRequest request = new HttpPut("http://localhost:9000/allmatch-route-example"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("ALLMATCH called"); + } + } + + @Test + public void givenAllMatchRoute_whenDelete_thenCorrectOutput() throws Exception { + final HttpUriRequest request = new HttpDelete("http://localhost:9000/allmatch-route-example"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("ALLMATCH called"); + } + } + + @Test + public void givenRequestAttribute_whenRenderedWithTemplate_thenCorrectlyEvaluateIt() throws Exception { + final HttpUriRequest request = new HttpGet("http://localhost:9000/template-output-test"); + try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create() + .build() + .execute(request);) { + assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("

Hello, Blade!

"); + } + } + +} diff --git a/bootique/pom.xml b/bootique/pom.xml index 880b9a516f..4ae8703074 100644 --- a/bootique/pom.xml +++ b/bootique/pom.xml @@ -3,9 +3,9 @@ 4.0.0 com.baeldung.bootique bootique - jar 1.0-SNAPSHOT bootique + jar http://maven.apache.org diff --git a/cas/cas-secured-app/pom.xml b/cas/cas-secured-app/pom.xml index 2291da9084..338a9e5653 100644 --- a/cas/cas-secured-app/pom.xml +++ b/cas/cas-secured-app/pom.xml @@ -3,9 +3,9 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 cas-secured-app - jar cas-secured-app Demo project for CAS + jar parent-boot-1 diff --git a/cas/pom.xml b/cas/pom.xml new file mode 100644 index 0000000000..6d141277c5 --- /dev/null +++ b/cas/pom.xml @@ -0,0 +1,21 @@ + + + 4.0.0 + cas + cas + pom + + + com.baeldung + parent-modules + 1.0.0-SNAPSHOT + .. + + + + cas-secured-app + cas-server + + + diff --git a/cdi/pom.xml b/cdi/pom.xml index 0cf5062ccc..85da8518d0 100644 --- a/cdi/pom.xml +++ b/cdi/pom.xml @@ -59,13 +59,13 @@ test + 2.0.SP1 3.0.5.Final 1.9.2 1.3 3.10.0 - 4.12 5.1.2.RELEASE diff --git a/checker-plugin/pom.xml b/checker-plugin/pom.xml index 45f0939e77..08408366a4 100644 --- a/checker-plugin/pom.xml +++ b/checker-plugin/pom.xml @@ -3,9 +3,9 @@ 4.0.0 com.baeldung checker-plugin - jar 1.0-SNAPSHOT checker-plugin + jar http://maven.apache.org diff --git a/cloud-foundry-uaa/cf-uaa-config/uaa.yml b/cloud-foundry-uaa/cf-uaa-config/uaa.yml new file mode 100644 index 0000000000..b782c2b681 --- /dev/null +++ b/cloud-foundry-uaa/cf-uaa-config/uaa.yml @@ -0,0 +1,73 @@ +issuer: + uri: http://localhost:8080/uaa + +spring_profiles: postgresql,default + +database.driverClassName: org.postgresql.Driver +database.url: jdbc:postgresql:uaadb2 +database.username: postgres +database.password: postgres + +encryption: + active_key_label: CHANGE-THIS-KEY + encryption_keys: + - label: CHANGE-THIS-KEY + passphrase: CHANGEME + +login: + serviceProviderKey: | + -----BEGIN RSA PRIVATE KEY----- + MIICXQIBAAKBgQDHtC5gUXxBKpEqZTLkNvFwNGnNIkggNOwOQVNbpO0WVHIivig5 + L39WqS9u0hnA+O7MCA/KlrAR4bXaeVVhwfUPYBKIpaaTWFQR5cTR1UFZJL/OF9vA + fpOwznoD66DDCnQVpbCjtDYWX+x6imxn8HCYxhMol6ZnTbSsFW6VZjFMjQIDAQAB + AoGAVOj2Yvuigi6wJD99AO2fgF64sYCm/BKkX3dFEw0vxTPIh58kiRP554Xt5ges + 7ZCqL9QpqrChUikO4kJ+nB8Uq2AvaZHbpCEUmbip06IlgdA440o0r0CPo1mgNxGu + lhiWRN43Lruzfh9qKPhleg2dvyFGQxy5Gk6KW/t8IS4x4r0CQQD/dceBA+Ndj3Xp + ubHfxqNz4GTOxndc/AXAowPGpge2zpgIc7f50t8OHhG6XhsfJ0wyQEEvodDhZPYX + kKBnXNHzAkEAyCA76vAwuxqAd3MObhiebniAU3SnPf2u4fdL1EOm92dyFs1JxyyL + gu/DsjPjx6tRtn4YAalxCzmAMXFSb1qHfwJBAM3qx3z0gGKbUEWtPHcP7BNsrnWK + vw6By7VC8bk/ffpaP2yYspS66Le9fzbFwoDzMVVUO/dELVZyBnhqSRHoXQcCQQCe + A2WL8S5o7Vn19rC0GVgu3ZJlUrwiZEVLQdlrticFPXaFrn3Md82ICww3jmURaKHS + N+l4lnMda79eSp3OMmq9AkA0p79BvYsLshUJJnvbk76pCjR28PK4dV1gSDUEqQMB + qy45ptdwJLqLJCeNoR0JUcDNIRhOCuOPND7pcMtX6hI/ + -----END RSA PRIVATE KEY----- + serviceProviderKeyPassword: password + serviceProviderCertificate: | + -----BEGIN CERTIFICATE----- + MIIDSTCCArKgAwIBAgIBADANBgkqhkiG9w0BAQQFADB8MQswCQYDVQQGEwJhdzEO + MAwGA1UECBMFYXJ1YmExDjAMBgNVBAoTBWFydWJhMQ4wDAYDVQQHEwVhcnViYTEO + MAwGA1UECxMFYXJ1YmExDjAMBgNVBAMTBWFydWJhMR0wGwYJKoZIhvcNAQkBFg5h + cnViYUBhcnViYS5hcjAeFw0xNTExMjAyMjI2MjdaFw0xNjExMTkyMjI2MjdaMHwx + CzAJBgNVBAYTAmF3MQ4wDAYDVQQIEwVhcnViYTEOMAwGA1UEChMFYXJ1YmExDjAM + BgNVBAcTBWFydWJhMQ4wDAYDVQQLEwVhcnViYTEOMAwGA1UEAxMFYXJ1YmExHTAb + BgkqhkiG9w0BCQEWDmFydWJhQGFydWJhLmFyMIGfMA0GCSqGSIb3DQEBAQUAA4GN + ADCBiQKBgQDHtC5gUXxBKpEqZTLkNvFwNGnNIkggNOwOQVNbpO0WVHIivig5L39W + qS9u0hnA+O7MCA/KlrAR4bXaeVVhwfUPYBKIpaaTWFQR5cTR1UFZJL/OF9vAfpOw + znoD66DDCnQVpbCjtDYWX+x6imxn8HCYxhMol6ZnTbSsFW6VZjFMjQIDAQABo4Ha + MIHXMB0GA1UdDgQWBBTx0lDzjH/iOBnOSQaSEWQLx1syGDCBpwYDVR0jBIGfMIGc + gBTx0lDzjH/iOBnOSQaSEWQLx1syGKGBgKR+MHwxCzAJBgNVBAYTAmF3MQ4wDAYD + VQQIEwVhcnViYTEOMAwGA1UEChMFYXJ1YmExDjAMBgNVBAcTBWFydWJhMQ4wDAYD + VQQLEwVhcnViYTEOMAwGA1UEAxMFYXJ1YmExHTAbBgkqhkiG9w0BCQEWDmFydWJh + QGFydWJhLmFyggEAMAwGA1UdEwQFMAMBAf8wDQYJKoZIhvcNAQEEBQADgYEAYvBJ + 0HOZbbHClXmGUjGs+GS+xC1FO/am2suCSYqNB9dyMXfOWiJ1+TLJk+o/YZt8vuxC + KdcZYgl4l/L6PxJ982SRhc83ZW2dkAZI4M0/Ud3oePe84k8jm3A7EvH5wi5hvCkK + RpuRBwn3Ei+jCRouxTbzKPsuCVB+1sNyxMTXzf0= + -----END CERTIFICATE----- + +#The secret that an external login server will use to authenticate to the uaa using the id `login` +LOGIN_SECRET: loginsecret + +jwt: + token: + signing-key: | + -----BEGIN RSA PRIVATE KEY----- + MIIEpAIBAAKCAQEAqUeygEfDGxI6c1VDQ6xIyUSLrP6iz1y97iHFbtXSxXaArL4a + ... + v6Mtt5LcRAAVP7pemunTdju4h8Q/noKYlVDVL30uLYUfKBL4UKfOBw== + -----END RSA PRIVATE KEY----- + verification-key: | + -----BEGIN PUBLIC KEY----- + MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqUeygEfDGxI6c1VDQ6xI + ... + AwIDAQAB + -----END PUBLIC KEY----- diff --git a/cloud-foundry-uaa/cf-uaa-oauth2-client/pom.xml b/cloud-foundry-uaa/cf-uaa-oauth2-client/pom.xml new file mode 100644 index 0000000000..8e31cc41fb --- /dev/null +++ b/cloud-foundry-uaa/cf-uaa-oauth2-client/pom.xml @@ -0,0 +1,43 @@ + + + 4.0.0 + + org.springframework.boot + spring-boot-starter-parent + 2.1.3.RELEASE + + + com.example + cf-uaa-oauth2-client + 0.0.1-SNAPSHOT + uaa-client-webapp + Demo project for Spring Boot + + + 1.8 + + + + + + org.springframework.boot + spring-boot-starter-web + + + org.springframework.boot + spring-boot-starter-oauth2-client + + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + + diff --git a/cloud-foundry-uaa/cf-uaa-oauth2-client/src/main/java/com/baeldung/cfuaa/oauth2/client/CFUAAOAuth2ClientApplication.java b/cloud-foundry-uaa/cf-uaa-oauth2-client/src/main/java/com/baeldung/cfuaa/oauth2/client/CFUAAOAuth2ClientApplication.java new file mode 100644 index 0000000000..c9e81fcd5d --- /dev/null +++ b/cloud-foundry-uaa/cf-uaa-oauth2-client/src/main/java/com/baeldung/cfuaa/oauth2/client/CFUAAOAuth2ClientApplication.java @@ -0,0 +1,13 @@ +package com.baeldung.cfuaa.oauth2.client; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class CFUAAOAuth2ClientApplication { + + public static void main(String[] args) { + SpringApplication.run(CFUAAOAuth2ClientApplication.class, args); + } + +} diff --git a/cloud-foundry-uaa/cf-uaa-oauth2-client/src/main/java/com/baeldung/cfuaa/oauth2/client/CFUAAOAuth2ClientController.java b/cloud-foundry-uaa/cf-uaa-oauth2-client/src/main/java/com/baeldung/cfuaa/oauth2/client/CFUAAOAuth2ClientController.java new file mode 100644 index 0000000000..b1631ed327 --- /dev/null +++ b/cloud-foundry-uaa/cf-uaa-oauth2-client/src/main/java/com/baeldung/cfuaa/oauth2/client/CFUAAOAuth2ClientController.java @@ -0,0 +1,80 @@ +package com.baeldung.cfuaa.oauth2.client; + +import org.springframework.beans.factory.annotation.Value; +import org.springframework.http.HttpEntity; +import org.springframework.http.HttpHeaders; +import org.springframework.http.HttpMethod; +import org.springframework.http.ResponseEntity; +import org.springframework.security.oauth2.client.OAuth2AuthorizedClient; +import org.springframework.security.oauth2.client.OAuth2AuthorizedClientService; +import org.springframework.security.oauth2.client.authentication.OAuth2AuthenticationToken; +import org.springframework.security.oauth2.core.OAuth2AccessToken; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.RestController; +import org.springframework.web.client.HttpClientErrorException; +import org.springframework.web.client.RestTemplate; + +@RestController +public class CFUAAOAuth2ClientController { + + @Value("${resource.server.url}") + private String remoteResourceServer; + + private RestTemplate restTemplate; + + private OAuth2AuthorizedClientService authorizedClientService; + + public CFUAAOAuth2ClientController(OAuth2AuthorizedClientService authorizedClientService) { + this.authorizedClientService = authorizedClientService; + this.restTemplate = new RestTemplate(); + } + + @RequestMapping("/") + public String index(OAuth2AuthenticationToken authenticationToken) { + OAuth2AuthorizedClient oAuth2AuthorizedClient = this.authorizedClientService.loadAuthorizedClient(authenticationToken.getAuthorizedClientRegistrationId(), authenticationToken.getName()); + OAuth2AccessToken oAuth2AccessToken = oAuth2AuthorizedClient.getAccessToken(); + + String response = "Hello, " + authenticationToken.getPrincipal().getName(); + response += "

"; + response += "Here is your accees token :
" + oAuth2AccessToken.getTokenValue(); + response += "
"; + response += "
You can use it to call these Resource Server APIs:"; + response += "

"; + response += "Call Resource Server Read API"; + response += "
"; + response += "Call Resource Server Write API"; + return response; + } + + @RequestMapping("/read") + public String read(OAuth2AuthenticationToken authenticationToken) { + String url = remoteResourceServer + "/read"; + return callResourceServer(authenticationToken, url); + } + + @RequestMapping("/write") + public String write(OAuth2AuthenticationToken authenticationToken) { + String url = remoteResourceServer + "/write"; + return callResourceServer(authenticationToken, url); + } + + private String callResourceServer(OAuth2AuthenticationToken authenticationToken, String url) { + OAuth2AuthorizedClient oAuth2AuthorizedClient = this.authorizedClientService.loadAuthorizedClient(authenticationToken.getAuthorizedClientRegistrationId(), authenticationToken.getName()); + OAuth2AccessToken oAuth2AccessToken = oAuth2AuthorizedClient.getAccessToken(); + + HttpHeaders headers = new HttpHeaders(); + headers.add("Authorization", "Bearer " + oAuth2AccessToken.getTokenValue()); + + HttpEntity entity = new HttpEntity<>("parameters", headers); + ResponseEntity responseEntity = null; + + String response = null; + try { + responseEntity = restTemplate.exchange(url, HttpMethod.GET, entity, String.class); + response = responseEntity.getBody(); + } catch (HttpClientErrorException e) { + response = e.getMessage(); + } + return response; + } +} \ No newline at end of file diff --git a/cloud-foundry-uaa/cf-uaa-oauth2-client/src/main/resources/application.properties b/cloud-foundry-uaa/cf-uaa-oauth2-client/src/main/resources/application.properties new file mode 100644 index 0000000000..de8e1a7b9f --- /dev/null +++ b/cloud-foundry-uaa/cf-uaa-oauth2-client/src/main/resources/application.properties @@ -0,0 +1,23 @@ +# SECURITY OAUTH2 CLIENT (OAuth2ClientProperties) +#spring.security.oauth2.client.provider.*= # OAuth provider details. +#spring.security.oauth2.client.registration.*= # OAuth client registrations. + +server.port=8081 +#server.servlet.context-path=/uaa-client-webapp + +uaa.url=http://localhost:8080/uaa +resource.server.url=http://localhost:8082 + +spring.security.oauth2.client.registration.uaa.client-name=UAA OAuth2 Client +spring.security.oauth2.client.registration.uaa.client-id=client1 +spring.security.oauth2.client.registration.uaa.client-secret=client1 +spring.security.oauth2.client.registration.uaa.authorization-grant-type=authorization_code +spring.security.oauth2.client.registration.uaa.scope=resource.read,resource.write,openid,profile +spring.security.oauth2.client.registration.uaa.redirect-uri=http://localhost:8081/login/oauth2/code/uaa +#spring.security.oauth2.client.registration.uaa.redirect-uri=http://localhost:8081/** + +spring.security.oauth2.client.provider.uaa.token-uri=${uaa.url}/oauth/token +spring.security.oauth2.client.provider.uaa.authorization-uri=${uaa.url}/oauth/authorize +spring.security.oauth2.client.provider.uaa.jwk-set-uri=${uaa.url}/token_keys +spring.security.oauth2.client.provider.uaa.user-info-uri=${uaa.url}/userinfo +spring.security.oauth2.client.provider.uaa.user-name-attribute=user_name diff --git a/cloud-foundry-uaa/cf-uaa-oauth2-client/src/main/resources/templates/index.html b/cloud-foundry-uaa/cf-uaa-oauth2-client/src/main/resources/templates/index.html new file mode 100644 index 0000000000..eb6e267b94 --- /dev/null +++ b/cloud-foundry-uaa/cf-uaa-oauth2-client/src/main/resources/templates/index.html @@ -0,0 +1 @@ +tintin \ No newline at end of file diff --git a/cloud-foundry-uaa/cf-uaa-oauth2-resource-server/pom.xml b/cloud-foundry-uaa/cf-uaa-oauth2-resource-server/pom.xml new file mode 100644 index 0000000000..9cf8993cd2 --- /dev/null +++ b/cloud-foundry-uaa/cf-uaa-oauth2-resource-server/pom.xml @@ -0,0 +1,43 @@ + + + 4.0.0 + + org.springframework.boot + spring-boot-starter-parent + 2.1.3.RELEASE + + + com.baeldung.cfuaa + cf-uaa-oauth2-resource-server + 0.0.1-SNAPSHOT + cf-uaa-oauth2-resource-server + Demo project for Spring Boot + + + 1.8 + + + + + + org.springframework.boot + spring-boot-starter-oauth2-resource-server + + + org.springframework.boot + spring-boot-starter-web + + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + + diff --git a/cloud-foundry-uaa/cf-uaa-oauth2-resource-server/src/main/java/com/baeldung/cfuaa/oauth2/resourceserver/CFUAAOAuth2ResourceServerApplication.java b/cloud-foundry-uaa/cf-uaa-oauth2-resource-server/src/main/java/com/baeldung/cfuaa/oauth2/resourceserver/CFUAAOAuth2ResourceServerApplication.java new file mode 100644 index 0000000000..51ad6e938d --- /dev/null +++ b/cloud-foundry-uaa/cf-uaa-oauth2-resource-server/src/main/java/com/baeldung/cfuaa/oauth2/resourceserver/CFUAAOAuth2ResourceServerApplication.java @@ -0,0 +1,13 @@ +package com.baeldung.cfuaa.oauth2.resourceserver; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class CFUAAOAuth2ResourceServerApplication { + + public static void main(String[] args) { + SpringApplication.run(CFUAAOAuth2ResourceServerApplication.class, args); + } + +} diff --git a/cloud-foundry-uaa/cf-uaa-oauth2-resource-server/src/main/java/com/baeldung/cfuaa/oauth2/resourceserver/CFUAAOAuth2ResourceServerRestController.java b/cloud-foundry-uaa/cf-uaa-oauth2-resource-server/src/main/java/com/baeldung/cfuaa/oauth2/resourceserver/CFUAAOAuth2ResourceServerRestController.java new file mode 100644 index 0000000000..c08f17d8d8 --- /dev/null +++ b/cloud-foundry-uaa/cf-uaa-oauth2-resource-server/src/main/java/com/baeldung/cfuaa/oauth2/resourceserver/CFUAAOAuth2ResourceServerRestController.java @@ -0,0 +1,28 @@ +package com.baeldung.cfuaa.oauth2.resourceserver; + +import org.springframework.security.core.annotation.AuthenticationPrincipal; +import org.springframework.security.oauth2.jwt.Jwt; +import org.springframework.security.oauth2.server.resource.authentication.JwtAuthenticationToken; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.RestController; + +import java.security.Principal; + +@RestController +public class CFUAAOAuth2ResourceServerRestController { + + @GetMapping("/") + public String index(@AuthenticationPrincipal Jwt jwt) { + return String.format("Hello, %s!", jwt.getSubject()); + } + + @GetMapping("/read") + public String read(JwtAuthenticationToken jwtAuthenticationToken) { + return "Hello write: " + jwtAuthenticationToken.getTokenAttributes(); + } + + @GetMapping("/write") + public String write(Principal principal) { + return "Hello write: " + principal.getName(); + } +} diff --git a/cloud-foundry-uaa/cf-uaa-oauth2-resource-server/src/main/java/com/baeldung/cfuaa/oauth2/resourceserver/CFUAAOAuth2ResourceServerSecurityConfiguration.java b/cloud-foundry-uaa/cf-uaa-oauth2-resource-server/src/main/java/com/baeldung/cfuaa/oauth2/resourceserver/CFUAAOAuth2ResourceServerSecurityConfiguration.java new file mode 100644 index 0000000000..d04d51cda3 --- /dev/null +++ b/cloud-foundry-uaa/cf-uaa-oauth2-resource-server/src/main/java/com/baeldung/cfuaa/oauth2/resourceserver/CFUAAOAuth2ResourceServerSecurityConfiguration.java @@ -0,0 +1,21 @@ +package com.baeldung.cfuaa.oauth2.resourceserver; + +import org.springframework.security.config.annotation.web.builders.HttpSecurity; +import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity; +import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter; + +@EnableWebSecurity +public class CFUAAOAuth2ResourceServerSecurityConfiguration extends WebSecurityConfigurerAdapter { + + @Override + protected void configure(HttpSecurity http) throws Exception { + http + .authorizeRequests() + .antMatchers("/read/**").hasAuthority("SCOPE_resource.read") + .antMatchers("/write/**").hasAuthority("SCOPE_resource.write") + .anyRequest().authenticated() + .and() + .oauth2ResourceServer() + .jwt(); + } +} \ No newline at end of file diff --git a/cloud-foundry-uaa/cf-uaa-oauth2-resource-server/src/main/resources/application.properties b/cloud-foundry-uaa/cf-uaa-oauth2-resource-server/src/main/resources/application.properties new file mode 100644 index 0000000000..ba9b95e0d4 --- /dev/null +++ b/cloud-foundry-uaa/cf-uaa-oauth2-resource-server/src/main/resources/application.properties @@ -0,0 +1,16 @@ +server.port=8082 + +uaa.url=http://localhost:8080/uaa + +#approch1 +spring.security.oauth2.resourceserver.jwt.issuer-uri=${uaa.url}/oauth/token + +#approch2 +#spring.security.oauth2.resourceserver.jwt.jwk-set-uri=${uaa.url}/token_key + +# SECURITY OAUTH2 CLIENT (OAuth2ClientProperties) +#security.oauth2.client.client-id=client1 +#security.oauth2.client.client-secret=client1 + +#security.oauth2.resource.jwt.key-uri=${uaa.url}/token_key +#security.oauth2.resource.token-info-uri=${uaa.url}/oauth/check_token diff --git a/core-groovy/README.md b/core-groovy/README.md index 71788acdb7..bac91bf028 100644 --- a/core-groovy/README.md +++ b/core-groovy/README.md @@ -4,3 +4,8 @@ - [JDBC with Groovy](http://www.baeldung.com/jdbc-groovy) - [Working with JSON in Groovy](http://www.baeldung.com/groovy-json) +- [Reading a File in Groovy](https://www.baeldung.com/groovy-file-read) +- [Types of Strings in Groovy](https://www.baeldung.com/groovy-strings) +- [A Quick Guide to Iterating a Map in Groovy](https://www.baeldung.com/groovy-map-iterating) +- [An Introduction to Traits in Groovy](https://www.baeldung.com/groovy-traits) +- [Lists in Groovy](https://www.baeldung.com/groovy-lists) diff --git a/core-groovy/pom.xml b/core-groovy/pom.xml index e54c766280..029e5460ab 100644 --- a/core-groovy/pom.xml +++ b/core-groovy/pom.xml @@ -23,6 +23,12 @@ org.codehaus.groovy groovy-all ${groovy-all.version} + pom + + + org.codehaus.groovy + groovy-dateutil + ${groovy.version} org.codehaus.groovy @@ -103,9 +109,12 @@ 1.0.0 - 2.4.13 - 2.4.13 - 2.4.13 + + + + 2.5.6 + 2.5.6 + 2.5.6 2.4.0 1.1-groovy-2.4 1.6 diff --git a/core-groovy/src/main/groovy/com/baeldung/file/ReadFile.groovy b/core-groovy/src/main/groovy/com/baeldung/file/ReadFile.groovy new file mode 100644 index 0000000000..4239fa534c --- /dev/null +++ b/core-groovy/src/main/groovy/com/baeldung/file/ReadFile.groovy @@ -0,0 +1,107 @@ +package com.baeldung.file + +class ReadFile { + + /** + * reads file content line by line using withReader and reader.readLine + * @param filePath + * @return + */ + int readFileLineByLine(String filePath) { + File file = new File(filePath) + def line, noOfLines = 0; + file.withReader { reader -> + while ((line = reader.readLine())!=null) + { + println "${line}" + noOfLines++ + } + } + return noOfLines + } + + /** + * reads file content in list of lines + * @param filePath + * @return + */ + List readFileInList(String filePath) { + File file = new File(filePath) + def lines = file.readLines() + return lines + } + + /** + * reads file content in string using File.text + * @param filePath + * @return + */ + String readFileString(String filePath) { + File file = new File(filePath) + String fileContent = file.text + return fileContent + } + + /** + * reads file content in string with encoding using File.getText + * @param filePath + * @return + */ + String readFileStringWithCharset(String filePath) { + File file = new File(filePath) + String utf8Content = file.getText("UTF-8") + return utf8Content + } + + /** + * reads content of binary file and returns byte array + * @param filePath + * @return + */ + byte[] readBinaryFile(String filePath) { + File file = new File(filePath) + byte[] binaryContent = file.bytes + return binaryContent + } + + /** + * More Examples of reading a file + * @return + */ + def moreExamples() { + + //with reader with utf-8 + new File("src/main/resources/utf8Content.html").withReader('UTF-8') { reader -> + def line + while ((line = reader.readLine())!=null) { + println "${line}" + } + } + + //collect api + def list = new File("src/main/resources/fileContent.txt").collect {it} + + //as operator + def array = new File("src/main/resources/fileContent.txt") as String[] + + //eachline + new File("src/main/resources/fileContent.txt").eachLine { line -> + println line + } + + //newInputStream with eachLine + def is = new File("src/main/resources/fileContent.txt").newInputStream() + is.eachLine { + println it + } + is.close() + + //withInputStream + new File("src/main/resources/fileContent.txt").withInputStream { stream -> + stream.eachLine { line -> + println line + } + } + } + +} \ No newline at end of file diff --git a/core-groovy/src/main/groovy/com/baeldung/io/Task.groovy b/core-groovy/src/main/groovy/com/baeldung/io/Task.groovy new file mode 100644 index 0000000000..8a3bedc048 --- /dev/null +++ b/core-groovy/src/main/groovy/com/baeldung/io/Task.groovy @@ -0,0 +1,8 @@ +package com.baeldung.io + +class Task implements Serializable { + String description + Date startDate + Date dueDate + int status +} diff --git a/core-groovy/src/main/groovy/com/baeldung/strings/Concatenate.groovy b/core-groovy/src/main/groovy/com/baeldung/strings/Concatenate.groovy new file mode 100644 index 0000000000..b3a0852a0b --- /dev/null +++ b/core-groovy/src/main/groovy/com/baeldung/strings/Concatenate.groovy @@ -0,0 +1,43 @@ +package com.baeldung.strings; + +class Concatenate { + String first = 'Hello' + String last = 'Groovy' + + String doSimpleConcat() { + return 'My name is ' + first + ' ' + last + } + + String doConcatUsingGString() { + return "My name is $first $last" + } + + String doConcatUsingGStringClosures() { + return "My name is ${-> first} ${-> last}" + } + + String doConcatUsingStringConcatMethod() { + return 'My name is '.concat(first).concat(' ').concat(last) + } + + String doConcatUsingLeftShiftOperator() { + return 'My name is ' << first << ' ' << last + } + + String doConcatUsingArrayJoinMethod() { + return ['My name is', first, last].join(' ') + } + + String doConcatUsingArrayInjectMethod() { + return [first,' ', last] + .inject(new StringBuffer('My name is '), { initial, name -> initial.append(name); return initial }).toString() + } + + String doConcatUsingStringBuilder() { + return new StringBuilder().append('My name is ').append(first).append(' ').append(last) + } + + String doConcatUsingStringBuffer() { + return new StringBuffer().append('My name is ').append(first).append(' ').append(last) + } +} \ No newline at end of file diff --git a/core-groovy/src/main/groovy/com/baeldung/traits/AnimalTrait.groovy b/core-groovy/src/main/groovy/com/baeldung/traits/AnimalTrait.groovy new file mode 100644 index 0000000000..6ec5cda571 --- /dev/null +++ b/core-groovy/src/main/groovy/com/baeldung/traits/AnimalTrait.groovy @@ -0,0 +1,8 @@ +package com.baeldung.traits + +trait AnimalTrait { + + String basicBehavior() { + return "Animalistic!!" + } +} \ No newline at end of file diff --git a/core-groovy/src/main/groovy/com/baeldung/traits/Car.groovy b/core-groovy/src/main/groovy/com/baeldung/traits/Car.groovy new file mode 100644 index 0000000000..eb4d1f7f87 --- /dev/null +++ b/core-groovy/src/main/groovy/com/baeldung/traits/Car.groovy @@ -0,0 +1,3 @@ +package com.baeldung + +class Car implements VehicleTrait {} \ No newline at end of file diff --git a/core-groovy/src/main/groovy/com/baeldung/traits/Dog.groovy b/core-groovy/src/main/groovy/com/baeldung/traits/Dog.groovy new file mode 100644 index 0000000000..3e0677ba18 --- /dev/null +++ b/core-groovy/src/main/groovy/com/baeldung/traits/Dog.groovy @@ -0,0 +1,9 @@ +package com.baeldung.traits + +class Dog implements WalkingTrait, SpeakingTrait { + + String speakAndWalk() { + WalkingTrait.super.speakAndWalk() + } + +} \ No newline at end of file diff --git a/core-groovy/src/main/groovy/com/baeldung/traits/Employee.groovy b/core-groovy/src/main/groovy/com/baeldung/traits/Employee.groovy new file mode 100644 index 0000000000..b3e4285476 --- /dev/null +++ b/core-groovy/src/main/groovy/com/baeldung/traits/Employee.groovy @@ -0,0 +1,12 @@ +package com.baeldung.traits + +class Employee implements UserTrait { + + String name() { + return 'Bob' + } + + String lastName() { + return "Marley" + } +} \ No newline at end of file diff --git a/core-groovy/src/main/groovy/com/baeldung/traits/Human.groovy b/core-groovy/src/main/groovy/com/baeldung/traits/Human.groovy new file mode 100644 index 0000000000..e78d59bbfd --- /dev/null +++ b/core-groovy/src/main/groovy/com/baeldung/traits/Human.groovy @@ -0,0 +1,6 @@ +package com.baeldung.traits + +interface Human { + + String lastName() +} \ No newline at end of file diff --git a/core-groovy/src/main/groovy/com/baeldung/traits/SpeakingTrait.groovy b/core-groovy/src/main/groovy/com/baeldung/traits/SpeakingTrait.groovy new file mode 100644 index 0000000000..f437a94bd9 --- /dev/null +++ b/core-groovy/src/main/groovy/com/baeldung/traits/SpeakingTrait.groovy @@ -0,0 +1,13 @@ +package com.baeldung.traits + +trait SpeakingTrait { + + String basicAbility() { + return "Speaking!!" + } + + String speakAndWalk() { + return "Speak and walk!!" + } + +} \ No newline at end of file diff --git a/core-groovy/src/main/groovy/com/baeldung/traits/UserTrait.groovy b/core-groovy/src/main/groovy/com/baeldung/traits/UserTrait.groovy new file mode 100644 index 0000000000..0d395bffcd --- /dev/null +++ b/core-groovy/src/main/groovy/com/baeldung/traits/UserTrait.groovy @@ -0,0 +1,36 @@ +package com.baeldung.traits + +trait UserTrait implements Human { + + String sayHello() { + return "Hello!" + } + + abstract String name() + + String showName() { + return "Hello, ${name()}!" + } + + private String greetingMessage() { + return 'Hello, from a private method!' + } + + String greet() { + def msg = greetingMessage() + println msg + msg + } + + def self() { + return this + } + + String showLastName() { + return "Hello, ${lastName()}!" + } + + String email + String address +} + \ No newline at end of file diff --git a/core-groovy/src/main/groovy/com/baeldung/traits/VehicleTrait.groovy b/core-groovy/src/main/groovy/com/baeldung/traits/VehicleTrait.groovy new file mode 100644 index 0000000000..f5ae8fab30 --- /dev/null +++ b/core-groovy/src/main/groovy/com/baeldung/traits/VehicleTrait.groovy @@ -0,0 +1,9 @@ +package com.baeldung + +trait VehicleTrait extends WheelTrait { + + String showWheels() { + return "Num of Wheels $noOfWheels" + } + +} \ No newline at end of file diff --git a/core-groovy/src/main/groovy/com/baeldung/traits/WalkingTrait.groovy b/core-groovy/src/main/groovy/com/baeldung/traits/WalkingTrait.groovy new file mode 100644 index 0000000000..66cff8809f --- /dev/null +++ b/core-groovy/src/main/groovy/com/baeldung/traits/WalkingTrait.groovy @@ -0,0 +1,13 @@ +package com.baeldung.traits + +trait WalkingTrait { + + String basicAbility() { + return "Walking!!" + } + + String speakAndWalk() { + return "Walk and speak!!" + } + +} \ No newline at end of file diff --git a/core-groovy/src/main/groovy/com/baeldung/traits/WheelTrait.groovy b/core-groovy/src/main/groovy/com/baeldung/traits/WheelTrait.groovy new file mode 100644 index 0000000000..364d5b883e --- /dev/null +++ b/core-groovy/src/main/groovy/com/baeldung/traits/WheelTrait.groovy @@ -0,0 +1,7 @@ +package com.baeldung + +trait WheelTrait { + + int noOfWheels + +} \ No newline at end of file diff --git a/core-groovy/src/main/resources/binaryExample.jpg b/core-groovy/src/main/resources/binaryExample.jpg new file mode 100644 index 0000000000..4b32645ac9 Binary files /dev/null and b/core-groovy/src/main/resources/binaryExample.jpg differ diff --git a/core-groovy/src/main/resources/fileContent.txt b/core-groovy/src/main/resources/fileContent.txt new file mode 100644 index 0000000000..643e4af3de --- /dev/null +++ b/core-groovy/src/main/resources/fileContent.txt @@ -0,0 +1,3 @@ +Line 1 : Hello World!!! +Line 2 : This is a file content. +Line 3 : String content diff --git a/core-groovy/src/main/resources/ioData.txt b/core-groovy/src/main/resources/ioData.txt new file mode 100644 index 0000000000..d2741339d1 Binary files /dev/null and b/core-groovy/src/main/resources/ioData.txt differ diff --git a/core-groovy/src/main/resources/ioInput.txt b/core-groovy/src/main/resources/ioInput.txt new file mode 100644 index 0000000000..b180256dd5 --- /dev/null +++ b/core-groovy/src/main/resources/ioInput.txt @@ -0,0 +1,4 @@ +First line of text +Second line of text +Third line of text +Fourth line of text \ No newline at end of file diff --git a/core-groovy/src/main/resources/ioOutput.txt b/core-groovy/src/main/resources/ioOutput.txt new file mode 100644 index 0000000000..bcf76c43d8 --- /dev/null +++ b/core-groovy/src/main/resources/ioOutput.txt @@ -0,0 +1,3 @@ +Line one of output example +Line two of output example +Line three of output example \ No newline at end of file diff --git a/core-groovy/src/main/resources/ioSerializedObject.txt b/core-groovy/src/main/resources/ioSerializedObject.txt new file mode 100644 index 0000000000..833ed32bf1 Binary files /dev/null and b/core-groovy/src/main/resources/ioSerializedObject.txt differ diff --git a/core-groovy/src/main/resources/sample.png b/core-groovy/src/main/resources/sample.png new file mode 100644 index 0000000000..7d473430b7 Binary files /dev/null and b/core-groovy/src/main/resources/sample.png differ diff --git a/core-groovy/src/main/resources/utf8Content.html b/core-groovy/src/main/resources/utf8Content.html new file mode 100644 index 0000000000..61ff338f6c --- /dev/null +++ b/core-groovy/src/main/resources/utf8Content.html @@ -0,0 +1,12 @@ + + + + +
+ᚠᛇᚻ᛫ᛒᛦᚦ᛫ᚠᚱᚩᚠᚢᚱ᛫ᚠᛁᚱᚪ᛫ᚷᛖᚻᚹᛦᛚᚳᚢᛗ
+ᛋᚳᛖᚪᛚ᛫ᚦᛖᚪᚻ᛫ᛗᚪᚾᚾᚪ᛫ᚷᛖᚻᚹᛦᛚᚳ᛫ᛗᛁᚳᛚᚢᚾ᛫ᚻᛦᛏ᛫ᛞᚫᛚᚪᚾ
+ᚷᛁᚠ᛫ᚻᛖ᛫ᚹᛁᛚᛖ᛫ᚠᚩᚱ᛫ᛞᚱᛁᚻᛏᚾᛖ᛫ᛞᚩᛗᛖᛋ᛫ᚻᛚᛇᛏᚪᚾ
+
+ + \ No newline at end of file diff --git a/core-groovy/src/test/groovy/com/baeldung/date/DateTest.groovy b/core-groovy/src/test/groovy/com/baeldung/date/DateTest.groovy new file mode 100644 index 0000000000..4e7a7189a6 --- /dev/null +++ b/core-groovy/src/test/groovy/com/baeldung/date/DateTest.groovy @@ -0,0 +1,57 @@ +package com.baeldung.groovy.sql + +import static org.junit.Assert.* +import java.util.Calendar.* +import java.time.LocalDate +import java.text.SimpleDateFormat +import org.junit.Test + + +class DateTest { + + def dateStr = "2019-02-28" + def pattern = "yyyy-MM-dd" + + @Test + void whenGetStringRepresentation_thenCorrectlyConvertIntoDate() { + def dateFormat = new SimpleDateFormat(pattern) + def date = dateFormat.parse(dateStr) + + println(" String to Date with DateFormatter : " + date) + + def cal = new GregorianCalendar(); + cal.setTime(date); + + assertEquals(cal.get(Calendar.YEAR),2019) + assertEquals(cal.get(Calendar.DAY_OF_MONTH),28) + assertEquals(cal.get(Calendar.MONTH),java.util.Calendar.FEBRUARY) + } + + @Test + void whenGetStringRepresentation_thenCorrectlyConvertWithDateUtilsExtension() { + + def date = Date.parse(pattern, dateStr) + + println(" String to Date with Date.parse : " + date) + + def cal = new GregorianCalendar(); + cal.setTime(date); + + assertEquals(cal.get(Calendar.YEAR),2019) + assertEquals(cal.get(Calendar.DAY_OF_MONTH),28) + assertEquals(cal.get(Calendar.MONTH),java.util.Calendar.FEBRUARY) + } + + @Test + void whenGetStringRepresentation_thenCorrectlyConvertIntoDateWithLocalDate() { + def date = LocalDate.parse(dateStr, pattern) + + println(" String to Date with LocalDate : " + date) + + assertEquals(date.getYear(),2019) + assertEquals(date.getMonth(),java.time.Month.FEBRUARY) + assertEquals(date.getDayOfMonth(),28) + } + + +} diff --git a/core-groovy/src/test/groovy/com/baeldung/file/ReadFileUnitTest.groovy b/core-groovy/src/test/groovy/com/baeldung/file/ReadFileUnitTest.groovy new file mode 100644 index 0000000000..a479c265c4 --- /dev/null +++ b/core-groovy/src/test/groovy/com/baeldung/file/ReadFileUnitTest.groovy @@ -0,0 +1,70 @@ +package com.baeldung.file + +import spock.lang.Specification + +class ReadFileUnitTest extends Specification { + + ReadFile readFile + + void setup () { + readFile = new ReadFile() + } + + def 'Should return number of lines in File using ReadFile.readFileLineByLine given filePath' () { + given: + def filePath = "src/main/resources/fileContent.txt" + when: + def noOfLines = readFile.readFileLineByLine(filePath) + then: + noOfLines + noOfLines instanceof Integer + assert noOfLines, 3 + } + + def 'Should return File Content in list of lines using ReadFile.readFileInList given filePath' () { + given: + def filePath = "src/main/resources/fileContent.txt" + when: + def lines = readFile.readFileInList(filePath) + then: + lines + lines instanceof List + assert lines.size(), 3 + } + + def 'Should return file content in string using ReadFile.readFileString given filePath' () { + given: + def filePath = "src/main/resources/fileContent.txt" + when: + def fileContent = readFile.readFileString(filePath) + then: + fileContent + fileContent instanceof String + fileContent.contains("""Line 1 : Hello World!!! +Line 2 : This is a file content. +Line 3 : String content""") + + } + + def 'Should return UTF-8 encoded file content in string using ReadFile.readFileStringWithCharset given filePath' () { + given: + def filePath = "src/main/resources/utf8Content.html" + when: + def encodedContent = readFile.readFileStringWithCharset(filePath) + then: + encodedContent + encodedContent instanceof String + } + + def 'Should return binary file content in byte array using ReadFile.readBinaryFile given filePath' () { + given: + def filePath = "src/main/resources/sample.png" + when: + def binaryContent = readFile.readBinaryFile(filePath) + then: + binaryContent + binaryContent instanceof byte[] + binaryContent.length == 329 + } + +} \ No newline at end of file diff --git a/core-groovy/src/test/groovy/com/baeldung/io/DataAndObjectsUnitTest.groovy b/core-groovy/src/test/groovy/com/baeldung/io/DataAndObjectsUnitTest.groovy new file mode 100644 index 0000000000..0b413cf76c --- /dev/null +++ b/core-groovy/src/test/groovy/com/baeldung/io/DataAndObjectsUnitTest.groovy @@ -0,0 +1,51 @@ +package com.baeldung.io + +import static org.junit.Assert.* + +import org.junit.Test + +class DataAndObjectsUnitTest { + @Test + void whenUsingWithDataOutputStream_thenDataIsSerializedToAFile() { + String message = 'This is a serialized string' + int length = message.length() + boolean valid = true + new File('src/main/resources/ioData.txt').withDataOutputStream { out -> + out.writeUTF(message) + out.writeInt(length) + out.writeBoolean(valid) + } + + String loadedMessage = "" + int loadedLength + boolean loadedValid + + new File('src/main/resources/ioData.txt').withDataInputStream { is -> + loadedMessage = is.readUTF() + loadedLength = is.readInt() + loadedValid = is.readBoolean() + } + + assertEquals(message, loadedMessage) + assertEquals(length, loadedLength) + assertEquals(valid, loadedValid) + } + + @Test + void whenUsingWithObjectOutputStream_thenObjectIsSerializedToFile() { + Task task = new Task(description:'Take out the trash', startDate:new Date(), status:0) + new File('src/main/resources/ioSerializedObject.txt').withObjectOutputStream { out -> + out.writeObject(task) + } + + Task taskRead + + new File('src/main/resources/ioSerializedObject.txt').withObjectInputStream { is -> + taskRead = is.readObject() + } + + assertEquals(task.description, taskRead.description) + assertEquals(task.startDate, taskRead.startDate) + assertEquals(task.status, taskRead.status) + } +} diff --git a/core-groovy/src/test/groovy/com/baeldung/io/ReadExampleUnitTest.groovy b/core-groovy/src/test/groovy/com/baeldung/io/ReadExampleUnitTest.groovy new file mode 100644 index 0000000000..bed77b4d81 --- /dev/null +++ b/core-groovy/src/test/groovy/com/baeldung/io/ReadExampleUnitTest.groovy @@ -0,0 +1,134 @@ +package com.baeldung.io + +import static org.junit.Assert.* +import org.junit.Test + +class ReadExampleUnitTest { + + @Test + void whenUsingEachLine_thenCorrectLinesReturned() { + def expectedList = [ + 'First line of text', + 'Second line of text', + 'Third line of text', + 'Fourth line of text'] + + def lines = [] + + new File('src/main/resources/ioInput.txt').eachLine { line -> + lines.add(line) + } + assertEquals(expectedList, lines) + } + + @Test + void whenUsingReadEachLineWithLineNumber_thenCorrectLinesReturned() { + def expectedList = [ + 'Second line of text', + 'Third line of text', + 'Fourth line of text'] + + def lineNoRange = 2..4 + def lines = [] + + new File('src/main/resources/ioInput.txt').eachLine { line, lineNo -> + if (lineNoRange.contains(lineNo)) { + lines.add(line) + } + } + assertEquals(expectedList, lines) + } + + @Test + void whenUsingReadEachLineWithLineNumberStartAtZero_thenCorrectLinesReturned() { + def expectedList = [ + 'Second line of text', + 'Third line of text', + 'Fourth line of text'] + + def lineNoRange = 1..3 + def lines = [] + + new File('src/main/resources/ioInput.txt').eachLine(0, { line, lineNo -> + if (lineNoRange.contains(lineNo)) { + lines.add(line) + } + }) + assertEquals(expectedList, lines) + } + + @Test + void whenUsingWithReader_thenLineCountReturned() { + def expectedCount = 4 + def actualCount = 0 + new File('src/main/resources/ioInput.txt').withReader { reader -> + while(reader.readLine()) { + actualCount++ + } + } + assertEquals(expectedCount, actualCount) + } + + @Test + void whenUsingNewReader_thenOutputFileCreated() { + def outputPath = 'src/main/resources/ioOut.txt' + def reader = new File('src/main/resources/ioInput.txt').newReader() + new File(outputPath).append(reader) + reader.close() + def ioOut = new File(outputPath) + assertTrue(ioOut.exists()) + ioOut.delete() + } + + @Test + void whenUsingWithInputStream_thenCorrectBytesAreReturned() { + def expectedLength = 1139 + byte[] data = [] + new File("src/main/resources/binaryExample.jpg").withInputStream { stream -> + data = stream.getBytes() + } + assertEquals(expectedLength, data.length) + } + + @Test + void whenUsingNewInputStream_thenOutputFileCreated() { + def outputPath = 'src/main/resources/binaryOut.jpg' + def is = new File('src/main/resources/binaryExample.jpg').newInputStream() + new File(outputPath).append(is) + is.close() + def ioOut = new File(outputPath) + assertTrue(ioOut.exists()) + ioOut.delete() + } + + @Test + void whenUsingCollect_thenCorrectListIsReturned() { + def expectedList = ['First line of text', 'Second line of text', 'Third line of text', 'Fourth line of text'] + + def actualList = new File('src/main/resources/ioInput.txt').collect {it} + assertEquals(expectedList, actualList) + } + + @Test + void whenUsingAsStringArray_thenCorrectArrayIsReturned() { + String[] expectedArray = ['First line of text', 'Second line of text', 'Third line of text', 'Fourth line of text'] + + def actualArray = new File('src/main/resources/ioInput.txt') as String[] + assertArrayEquals(expectedArray, actualArray) + } + + @Test + void whenUsingText_thenCorrectStringIsReturned() { + def ln = System.getProperty('line.separator') + def expectedString = "First line of text${ln}Second line of text${ln}Third line of text${ln}Fourth line of text" + def actualString = new File('src/main/resources/ioInput.txt').text + assertEquals(expectedString.toString(), actualString) + } + + @Test + void whenUsingBytes_thenByteArrayIsReturned() { + def expectedLength = 1139 + def contents = new File('src/main/resources/binaryExample.jpg').bytes + assertEquals(expectedLength, contents.length) + } +} diff --git a/core-groovy/src/test/groovy/com/baeldung/io/TraverseFileTreeUnitTest.groovy b/core-groovy/src/test/groovy/com/baeldung/io/TraverseFileTreeUnitTest.groovy new file mode 100644 index 0000000000..dac0189fb9 --- /dev/null +++ b/core-groovy/src/test/groovy/com/baeldung/io/TraverseFileTreeUnitTest.groovy @@ -0,0 +1,61 @@ +package com.baeldung.io + +import org.junit.Test + +import groovy.io.FileType +import groovy.io.FileVisitResult + +class TraverseFileTreeUnitTest { + @Test + void whenUsingEachFile_filesAreListed() { + new File('src/main/resources').eachFile { file -> + println file.name + } + } + + @Test(expected = IllegalArgumentException) + void whenUsingEachFileOnAFile_anErrorOccurs() { + new File('src/main/resources/ioInput.txt').eachFile { file -> + println file.name + } + } + + @Test + void whenUsingEachFileMatch_filesAreListed() { + new File('src/main/resources').eachFileMatch(~/io.*\.txt/) { file -> + println file.name + } + } + + @Test + void whenUsingEachFileRecurse_thenFilesInSubfoldersAreListed() { + new File('src/main').eachFileRecurse(FileType.FILES) { file -> + println "$file.parent $file.name" + } + } + + @Test + void whenUsingEachFileRecurse_thenDirsInSubfoldersAreListed() { + new File('src/main').eachFileRecurse(FileType.DIRECTORIES) { file -> + println "$file.parent $file.name" + } + } + + @Test + void whenUsingEachDirRecurse_thenDirsAndSubDirsAreListed() { + new File('src/main').eachDirRecurse { dir -> + println "$dir.parent $dir.name" + } + } + + @Test + void whenUsingTraverse_thenDirectoryIsTraversed() { + new File('src/main').traverse { file -> + if (file.directory && file.name == 'groovy') { + FileVisitResult.SKIP_SUBTREE + } else { + println "$file.parent - $file.name" + } + } + } +} diff --git a/core-groovy/src/test/groovy/com/baeldung/io/WriteExampleUnitTest.groovy b/core-groovy/src/test/groovy/com/baeldung/io/WriteExampleUnitTest.groovy new file mode 100644 index 0000000000..81758b430a --- /dev/null +++ b/core-groovy/src/test/groovy/com/baeldung/io/WriteExampleUnitTest.groovy @@ -0,0 +1,96 @@ +package com.baeldung.io + +import static org.junit.Assert.* + +import org.junit.Before +import org.junit.Test + +class WriteExampleUnitTest { + @Before + void clearOutputFile() { + new File('src/main/resources/ioOutput.txt').text = '' + new File('src/main/resources/ioBinaryOutput.bin').delete() + } + + @Test + void whenUsingWithWriter_thenFileCreated() { + def outputLines = [ + 'Line one of output example', + 'Line two of output example', + 'Line three of output example' + ] + + def outputFileName = 'src/main/resources/ioOutput.txt' + new File(outputFileName).withWriter { writer -> + outputLines.each { line -> + writer.writeLine line + } + } + def writtenLines = new File(outputFileName).collect {it} + assertEquals(outputLines, writtenLines) + } + + @Test + void whenUsingNewWriter_thenFileCreated() { + def outputLines = [ + 'Line one of output example', + 'Line two of output example', + 'Line three of output example' + ] + + def outputFileName = 'src/main/resources/ioOutput.txt' + def writer = new File(outputFileName).newWriter() + outputLines.forEach {line -> + writer.writeLine line + } + writer.flush() + writer.close() + + def writtenLines = new File(outputFileName).collect {it} + assertEquals(outputLines, writtenLines) + } + + @Test + void whenUsingDoubleLessThanOperator_thenFileCreated() { + def outputLines = [ + 'Line one of output example', + 'Line two of output example', + 'Line three of output example' + ] + + def ln = System.getProperty('line.separator') + def outputFileName = 'src/main/resources/ioOutput.txt' + new File(outputFileName) << "Line one of output example${ln}Line two of output example${ln}Line three of output example" + def writtenLines = new File(outputFileName).collect {it} + assertEquals(outputLines.size(), writtenLines.size()) + } + + @Test + void whenUsingBytes_thenBinaryFileCreated() { + def outputFileName = 'src/main/resources/ioBinaryOutput.bin' + def outputFile = new File(outputFileName) + byte[] outBytes = [44, 88, 22] + outputFile.bytes = outBytes + assertEquals(3, new File(outputFileName).size()) + } + + @Test + void whenUsingWithOutputStream_thenBinaryFileCreated() { + def outputFileName = 'src/main/resources/ioBinaryOutput.bin' + byte[] outBytes = [44, 88, 22] + new File(outputFileName).withOutputStream { stream -> + stream.write(outBytes) + } + assertEquals(3, new File(outputFileName).size()) + } + + @Test + void whenUsingNewOutputStream_thenBinaryFileCreated() { + def outputFileName = 'src/main/resources/ioBinaryOutput.bin' + byte[] outBytes = [44, 88, 22] + def os = new File(outputFileName).newOutputStream() + os.write(outBytes) + os.close() + assertEquals(3, new File(outputFileName).size()) + } +} diff --git a/core-groovy/src/test/groovy/com/baeldung/lists/ListTest.groovy b/core-groovy/src/test/groovy/com/baeldung/lists/ListTest.groovy new file mode 100644 index 0000000000..f682503ed4 --- /dev/null +++ b/core-groovy/src/test/groovy/com/baeldung/lists/ListTest.groovy @@ -0,0 +1,173 @@ +package com.baeldung.groovy.lists + +import static groovy.test.GroovyAssert.* +import org.junit.Test + +class ListTest{ + + @Test + void testCreateList() { + + def list = [1, 2, 3] + assertNotNull(list) + + def listMix = ['A', "b", 1, true] + assertTrue(listMix == ['A', "b", 1, true]) + + def linkedList = [1, 2, 3] as LinkedList + assertTrue(linkedList instanceof LinkedList) + + ArrayList arrList = [1, 2, 3] + assertTrue(arrList.class == ArrayList) + + def copyList = new ArrayList(arrList) + assertTrue(copyList == arrList) + + def cloneList = arrList.clone() + assertTrue(cloneList == arrList) + } + + @Test + void testCreateEmptyList() { + + def emptyList = [] + assertTrue(emptyList.size() == 0) + } + + @Test + void testCompareTwoLists() { + + def list1 = [5, 6.0, 'p'] + def list2 = [5, 6.0, 'p'] + assertTrue(list1 == list2) + } + + @Test + void testGetItemsFromList(){ + + def list = ["Hello", "World"] + + assertTrue(list.get(1) == "World") + assertTrue(list[1] == "World") + assertTrue(list[-1] == "World") + assertTrue(list.getAt(1) == "World") + assertTrue(list.getAt(-2) == "Hello") + } + + @Test + void testAddItemsToList() { + + def list = [] + + list << 1 + list.add("Apple") + assertTrue(list == [1, "Apple"]) + + list[2] = "Box" + list[4] = true + assertTrue(list == [1, "Apple", "Box", null, true]) + + list.add(1, 6.0) + assertTrue(list == [1, 6.0, "Apple", "Box", null, true]) + + def list2 = [1, 2] + list += list2 + list += 12 + assertTrue(list == [1, 6.0, "Apple", "Box", null, true, 1, 2, 12]) + } + + @Test + void testUpdateItemsInList() { + + def list =[1, "Apple", 80, "App"] + list[1] = "Box" + list.set(2,90) + assertTrue(list == [1, "Box", 90, "App"]) + } + + @Test + void testRemoveItemsFromList(){ + + def list = [1, 2, 3, 4, 5, 5, 6, 6, 7] + + list.remove(3) + assertTrue(list == [1, 2, 3, 5, 5, 6, 6, 7]) + + list.removeElement(5) + assertTrue(list == [1, 2, 3, 5, 6, 6, 7]) + + assertTrue(list - 6 == [1, 2, 3, 5, 7]) + } + + @Test + void testIteratingOnAList(){ + + def list = [1, "App", 3, 4] + list.each{ println it * 2} + + list.eachWithIndex{ it, i -> println "$i : $it" } + } + + @Test + void testCollectingToAnotherList(){ + + def list = ["Kay", "Henry", "Justin", "Tom"] + assertTrue(list.collect{"Hi " + it} == ["Hi Kay", "Hi Henry", "Hi Justin", "Hi Tom"]) + } + + @Test + void testJoinItemsInAList(){ + assertTrue(["One", "Two", "Three"].join(",") == "One,Two,Three") + } + + @Test + void testFilteringOnLists(){ + def filterList = [2, 1, 3, 4, 5, 6, 76] + + assertTrue(filterList.find{it > 3} == 4) + + assertTrue(filterList.findAll{it > 3} == [4, 5, 6, 76]) + + assertTrue(filterList.findAll{ it instanceof Number} == [2, 1, 3, 4, 5, 6, 76]) + + assertTrue(filterList.grep( Number )== [2, 1, 3, 4, 5, 6, 76]) + + assertTrue(filterList.grep{ it> 6 }== [76]) + + def conditionList = [2, 1, 3, 4, 5, 6, 76] + + assertFalse(conditionList.every{ it < 6}) + + assertTrue(conditionList.any{ it%2 == 0}) + + } + + @Test + void testGetUniqueItemsInAList(){ + assertTrue([1, 3, 3, 4].toUnique() == [1, 3, 4]) + + def uniqueList = [1, 3, 3, 4] + uniqueList.unique() + assertTrue(uniqueList == [1, 3, 4]) + + assertTrue(["A", "B", "Ba", "Bat", "Cat"].toUnique{ it.size()} == ["A", "Ba", "Bat"]) + } + + @Test + void testSorting(){ + + assertTrue([1, 2, 1, 0].sort() == [0, 1, 1, 2]) + Comparator mc = {a,b -> a == b? 0: a < b? 1 : -1} + + def list = [1, 2, 1, 0] + list.sort(mc) + assertTrue(list == [2, 1, 1, 0]) + + def strList = ["na", "ppp", "as"] + assertTrue(strList.max() == "ppp") + + Comparator minc = {a,b -> a == b? 0: a < b? -1 : 1} + def numberList = [3, 2, 0, 7] + assertTrue(numberList.min(minc) == 0) + } +} \ No newline at end of file diff --git a/core-groovy/src/test/groovy/com/baeldung/map/MapUnitTest.groovy b/core-groovy/src/test/groovy/com/baeldung/map/MapUnitTest.groovy new file mode 100644 index 0000000000..97ffc50c76 --- /dev/null +++ b/core-groovy/src/test/groovy/com/baeldung/map/MapUnitTest.groovy @@ -0,0 +1,85 @@ +package com.baeldung.map + +import static org.junit.Assert.* +import org.junit.Test + +class MapUnitTest { + + @Test + void whenUsingEach_thenMapIsIterated() { + def map = [ + 'FF0000' : 'Red', + '00FF00' : 'Lime', + '0000FF' : 'Blue', + 'FFFF00' : 'Yellow' + ] + + map.each { println "Hex Code: $it.key = Color Name: $it.value" } + } + + @Test + void whenUsingEachWithEntry_thenMapIsIterated() { + def map = [ + 'E6E6FA' : 'Lavender', + 'D8BFD8' : 'Thistle', + 'DDA0DD' : 'Plum', + ] + + map.each { entry -> println "Hex Code: $entry.key = Color Name: $entry.value" } + } + + @Test + void whenUsingEachWithKeyAndValue_thenMapIsIterated() { + def map = [ + '000000' : 'Black', + 'FFFFFF' : 'White', + '808080' : 'Gray' + ] + + map.each { key, val -> + println "Hex Code: $key = Color Name $val" + } + } + + @Test + void whenUsingEachWithIndexAndEntry_thenMapIsIterated() { + def map = [ + '800080' : 'Purple', + '4B0082' : 'Indigo', + '6A5ACD' : 'Slate Blue' + ] + + map.eachWithIndex { entry, index -> + def indent = ((index == 0 || index % 2 == 0) ? " " : "") + println "$indent Hex Code: $entry.key = Color Name: $entry.value" + } + } + + @Test + void whenUsingEachWithIndexAndKeyAndValue_thenMapIsIterated() { + def map = [ + 'FFA07A' : 'Light Salmon', + 'FF7F50' : 'Coral', + 'FF6347' : 'Tomato', + 'FF4500' : 'Orange Red' + ] + + map.eachWithIndex { key, val, index -> + def indent = ((index == 0 || index % 2 == 0) ? " " : "") + println "$indent Hex Code: $key = Color Name: $val" + } + } + + @Test + void whenUsingForLoop_thenMapIsIterated() { + def map = [ + '2E8B57' : 'Seagreen', + '228B22' : 'Forest Green', + '008000' : 'Green' + ] + + for (entry in map) { + println "Hex Code: $entry.key = Color Name: $entry.value" + } + } +} diff --git a/core-groovy/src/test/groovy/com/baeldung/strings/ConcatenateTest.groovy b/core-groovy/src/test/groovy/com/baeldung/strings/ConcatenateTest.groovy new file mode 100644 index 0000000000..3ef4a5d460 --- /dev/null +++ b/core-groovy/src/test/groovy/com/baeldung/strings/ConcatenateTest.groovy @@ -0,0 +1,101 @@ +import com.baeldung.strings.Concatenate; + +class ConcatenateTest extends GroovyTestCase { + + void testSimpleConcat() { + def name = new Concatenate() + name.first = 'Joe'; + name.last = 'Smith'; + def expected = 'My name is Joe Smith' + assertToString(name.doSimpleConcat(), expected) + } + + void testConcatUsingGString() { + def name = new Concatenate() + name.first = "Joe"; + name.last = "Smith"; + def expected = "My name is Joe Smith" + assertToString(name.doConcatUsingGString(), expected) + } + + void testConcatUsingGStringClosures() { + def name = new Concatenate() + name.first = "Joe"; + name.last = "Smith"; + def expected = "My name is Joe Smith" + assertToString(name.doConcatUsingGStringClosures(), expected) + } + + void testConcatUsingStringConcatMethod() { + def name = new Concatenate() + name.first = "Joe"; + name.last = "Smith"; + def expected = "My name is Joe Smith" + assertToString(name.doConcatUsingStringConcatMethod(), expected) + } + + void testConcatUsingLeftShiftOperator() { + def name = new Concatenate() + name.first = "Joe"; + name.last = "Smith"; + def expected = "My name is Joe Smith" + assertToString(name.doConcatUsingLeftShiftOperator(), expected) + } + + void testConcatUsingArrayJoinMethod() { + def name = new Concatenate() + name.first = "Joe"; + name.last = "Smith"; + def expected = "My name is Joe Smith" + assertToString(name.doConcatUsingArrayJoinMethod(), expected) + } + + void testConcatUsingArrayInjectMethod() { + def name = new Concatenate() + name.first = "Joe"; + name.last = "Smith"; + def expected = "My name is Joe Smith" + assertToString(name.doConcatUsingArrayInjectMethod(), expected) + } + + void testConcatUsingStringBuilder() { + def name = new Concatenate() + name.first = "Joe"; + name.last = "Smith"; + def expected = "My name is Joe Smith" + assertToString(name.doConcatUsingStringBuilder(), expected) + } + + void testConcatUsingStringBuffer() { + def name = new Concatenate() + name.first = "Joe"; + name.last = "Smith"; + def expected = "My name is Joe Smith" + assertToString(name.doConcatUsingStringBuffer(), expected) + } + + void testConcatMultilineUsingStringConcatMethod() { + def name = new Concatenate() + name.first = '''Joe + Smith + '''; + name.last = 'Junior'; + def expected = '''My name is Joe + Smith + Junior'''; + assertToString(name.doConcatUsingStringConcatMethod(), expected) + } + + void testGStringvsClosure(){ + def first = "Joe"; + def last = "Smith"; + def eagerGString = "My name is $first $last" + def lazyGString = "My name is ${-> first} ${-> last}" + + assert eagerGString == "My name is Joe Smith" + assert lazyGString == "My name is Joe Smith" + first = "David"; + assert eagerGString == "My name is Joe Smith" + assert lazyGString == "My name is David Smith" + } +} diff --git a/core-groovy/src/test/groovy/com/baeldung/stringtypes/CharacterInGroovy.groovy b/core-groovy/src/test/groovy/com/baeldung/stringtypes/CharacterInGroovy.groovy new file mode 100644 index 0000000000..c043723d95 --- /dev/null +++ b/core-groovy/src/test/groovy/com/baeldung/stringtypes/CharacterInGroovy.groovy @@ -0,0 +1,19 @@ +package groovy.com.baeldung.stringtypes + +import org.junit.Assert +import org.junit.Test + +class CharacterInGroovy { + + @Test + void 'character'() { + char a = 'A' as char + char b = 'B' as char + char c = (char) 'C' + + Assert.assertTrue(a instanceof Character) + Assert.assertTrue(b instanceof Character) + Assert.assertTrue(c instanceof Character) + } + +} diff --git a/core-groovy/src/test/groovy/com/baeldung/stringtypes/DollarSlashyString.groovy b/core-groovy/src/test/groovy/com/baeldung/stringtypes/DollarSlashyString.groovy new file mode 100644 index 0000000000..db8ba68c8f --- /dev/null +++ b/core-groovy/src/test/groovy/com/baeldung/stringtypes/DollarSlashyString.groovy @@ -0,0 +1,24 @@ +package groovy.com.baeldung.stringtypes + +import org.junit.Test + +class DollarSlashyString { + + @Test + void 'dollar slashy string'() { + def name = "John" + + def dollarSlashy = $/ + Hello $name!, + + I can show you $ sign or escaped dollar sign: $$ + Both slashes works: \ or /, but we can still escape it: $/ + + We have to escape opening and closing delimiter: + - $$$/ + - $/$$ + /$ + + print(dollarSlashy) + } +} diff --git a/core-groovy/src/test/groovy/com/baeldung/stringtypes/DoubleQuotedString.groovy b/core-groovy/src/test/groovy/com/baeldung/stringtypes/DoubleQuotedString.groovy new file mode 100644 index 0000000000..a730244d0a --- /dev/null +++ b/core-groovy/src/test/groovy/com/baeldung/stringtypes/DoubleQuotedString.groovy @@ -0,0 +1,67 @@ +package groovy.com.baeldung.stringtypes + +import org.junit.Assert +import org.junit.Test + +class DoubleQuotedString { + + @Test + void 'escape double quoted string'() { + def example = "Hello \"world\"!" + + println(example) + } + + @Test + void 'String ang GString'() { + def string = "example" + def stringWithExpression = "example${2}" + + Assert.assertTrue(string instanceof String) + Assert.assertTrue(stringWithExpression instanceof GString) + Assert.assertTrue(stringWithExpression.toString() instanceof String) + } + + @Test + void 'placeholder with variable'() { + def name = "John" + def helloName = "Hello $name!".toString() + + Assert.assertEquals("Hello John!", helloName) + } + + @Test + void 'placeholder with expression'() { + def result = "result is ${2 * 2}".toString() + + Assert.assertEquals("result is 4", result) + } + + @Test + void 'placeholder with dotted access'() { + def person = [name: 'John'] + + def myNameIs = "I'm $person.name, and you?".toString() + + Assert.assertEquals("I'm John, and you?", myNameIs) + } + + @Test + void 'placeholder with method call'() { + def name = 'John' + + def result = "Uppercase name: ${name.toUpperCase()}".toString() + + Assert.assertEquals("Uppercase name: JOHN", result) + } + + + @Test + void 'GString and String hashcode'() { + def string = "2+2 is 4" + def gstring = "2+2 is ${4}" + + Assert.assertTrue(string.hashCode() != gstring.hashCode()) + } + +} diff --git a/core-groovy/src/test/groovy/com/baeldung/stringtypes/SingleQuotedString.groovy b/core-groovy/src/test/groovy/com/baeldung/stringtypes/SingleQuotedString.groovy new file mode 100644 index 0000000000..569991b788 --- /dev/null +++ b/core-groovy/src/test/groovy/com/baeldung/stringtypes/SingleQuotedString.groovy @@ -0,0 +1,15 @@ +package groovy.com.baeldung.stringtypes + +import org.junit.Assert +import org.junit.Test + +class SingleQuotedString { + + @Test + void 'single quoted string'() { + def example = 'Hello world' + + Assert.assertEquals('Hello world!', 'Hello' + ' world!') + } + +} diff --git a/core-groovy/src/test/groovy/com/baeldung/stringtypes/SlashyString.groovy b/core-groovy/src/test/groovy/com/baeldung/stringtypes/SlashyString.groovy new file mode 100644 index 0000000000..09ba35e17e --- /dev/null +++ b/core-groovy/src/test/groovy/com/baeldung/stringtypes/SlashyString.groovy @@ -0,0 +1,31 @@ +package groovy.com.baeldung.stringtypes + +import org.junit.Assert +import org.junit.Test + +class SlashyString { + + @Test + void 'slashy string'() { + def pattern = /.*foobar.*\/hello.*/ + + Assert.assertTrue("I'm matching foobar /hello regexp pattern".matches(pattern)) + } + + void 'wont compile'() { +// if ('' == //) { +// println("I can't compile") +// } + } + + @Test + void 'interpolate and multiline'() { + def name = 'John' + + def example = / + Hello $name + second line + / + } + +} diff --git a/core-groovy/src/test/groovy/com/baeldung/stringtypes/Strings.groovy b/core-groovy/src/test/groovy/com/baeldung/stringtypes/Strings.groovy new file mode 100644 index 0000000000..e45f352285 --- /dev/null +++ b/core-groovy/src/test/groovy/com/baeldung/stringtypes/Strings.groovy @@ -0,0 +1,26 @@ +package groovy.com.baeldung.stringtypes + +import org.junit.Assert +import org.junit.Test + +class Strings { + + @Test + void 'string interpolation '() { + def name = "Kacper" + + def result = "Hello ${name}!" + + Assert.assertEquals("Hello Kacper!", result.toString()) + } + + @Test + void 'string concatenation'() { + def first = "first" + def second = "second" + + def concatenation = first + second + + Assert.assertEquals("firstsecond", concatenation) + } +} diff --git a/core-groovy/src/test/groovy/com/baeldung/stringtypes/TripleDoubleQuotedString.groovy b/core-groovy/src/test/groovy/com/baeldung/stringtypes/TripleDoubleQuotedString.groovy new file mode 100644 index 0000000000..cbbb1a4665 --- /dev/null +++ b/core-groovy/src/test/groovy/com/baeldung/stringtypes/TripleDoubleQuotedString.groovy @@ -0,0 +1,19 @@ +package groovy.com.baeldung.stringtypes + +import org.junit.Test + +class TripleDoubleQuotedString { + + @Test + void 'triple-quoted strings with interpolation'() { + def name = "John" + + def multiLine = """ + I'm $name. + "This is quotation" + """ + + println(multiLine) + } + +} diff --git a/core-groovy/src/test/groovy/com/baeldung/stringtypes/TripleSingleQuotedString.groovy b/core-groovy/src/test/groovy/com/baeldung/stringtypes/TripleSingleQuotedString.groovy new file mode 100644 index 0000000000..24d55b8a2a --- /dev/null +++ b/core-groovy/src/test/groovy/com/baeldung/stringtypes/TripleSingleQuotedString.groovy @@ -0,0 +1,67 @@ +package groovy.com.baeldung.stringtypes + +import org.junit.Assert +import org.junit.Test + +class TripleSingleQuotedString { + + def 'formatted json'() { + def jsonContent = ''' + { + "name": "John", + "age": 20, + "birthDate": null + } + ''' + } + + def 'triple single quoted'() { + def triple = '''im triple single quoted string''' + } + + @Test + void 'triple single quoted with multiline string'() { + def triple = ''' + firstline + secondline + ''' + + Assert.assertTrue(triple.startsWith("\n")) + } + + @Test + void 'triple single quoted with multiline string with stripIndent() and removing newline characters'() { + def triple = '''\ + firstline + secondline'''.stripIndent() + + Assert.assertEquals("firstline\nsecondline", triple) + } + + @Test + void 'triple single quoted with multiline string with last line with only whitespaces'() { + def triple = '''\ + firstline + secondline\ + '''.stripIndent() + + println(triple) + } + + @Test + void 'triple single quoted with multiline string with stripMargin(Character) and removing newline characters'() { + def triple = '''\ + |firstline + |secondline'''.stripMargin() + + println(triple) + } + + @Test + void 'striple single quoted with special characters'() { + def specialCharacters = '''hello \'John\'. This is backslash - \\. \nSecond line starts here''' + + println(specialCharacters) + } + +} diff --git a/core-groovy/src/test/groovy/com/baeldung/traits/TraitsUnitTest.groovy b/core-groovy/src/test/groovy/com/baeldung/traits/TraitsUnitTest.groovy new file mode 100644 index 0000000000..85130e8f07 --- /dev/null +++ b/core-groovy/src/test/groovy/com/baeldung/traits/TraitsUnitTest.groovy @@ -0,0 +1,114 @@ +package com.baeldung.traits + +import spock.lang.Specification + +class TraitsUnitTest extends Specification { + + Employee employee + Dog dog + + void setup () { + employee = new Employee() + dog = new Dog() + } + + def 'Should return msg string when using Employee.sayHello method provided by UserTrait' () { + when: + def msg = employee.sayHello() + then: + msg + msg instanceof String + assert msg == "Hello!" + } + + def 'Should return displayMsg string when using Employee.showName method' () { + when: + def displayMsg = employee.showName() + then: + displayMsg + displayMsg instanceof String + assert displayMsg == "Hello, Bob!" + } + + def 'Should return greetMsg string when using Employee.greet method' () { + when: + def greetMsg = employee.greet() + then: + greetMsg + greetMsg instanceof String + assert greetMsg == "Hello, from a private method!" + } + + def 'Should return MissingMethodException when using Employee.greetingMessage method' () { + when: + def exception + try { + employee.greetingMessage() + }catch(Exception e) { + exception = e + } + + then: + exception + exception instanceof groovy.lang.MissingMethodException + assert exception.message == "No signature of method: com.baeldung.traits.Employee.greetingMessage()"+ + " is applicable for argument types: () values: []" + } + + def 'Should return employee instance when using Employee.whoAmI method' () { + when: + def emp = employee.self() + then: + emp + emp instanceof Employee + assert emp.is(employee) + } + + def 'Should display lastName when using Employee.showLastName method' () { + when: + def lastNameMsg = employee.showLastName() + then: + lastNameMsg + lastNameMsg instanceof String + assert lastNameMsg == "Hello, Marley!" + } + + def 'Should be able to define properties of UserTrait in Employee instance' () { + when: + employee = new Employee(email: "a@e.com", address: "baeldung.com") + then: + employee + employee instanceof Employee + assert employee.email == "a@e.com" + assert employee.address == "baeldung.com" + } + + def 'Should execute basicAbility method from SpeakingTrait and return msg string' () { + when: + def speakMsg = dog.basicAbility() + then: + speakMsg + speakMsg instanceof String + assert speakMsg == "Speaking!!" + } + + def 'Should verify multiple inheritance with traits and execute overridden traits method' () { + when: + def walkSpeakMsg = dog.speakAndWalk() + println walkSpeakMsg + then: + walkSpeakMsg + walkSpeakMsg instanceof String + assert walkSpeakMsg == "Walk and speak!!" + } + + def 'Should implement AnimalTrait at runtime and access basicBehavior method' () { + when: + def dogInstance = new Dog() as AnimalTrait + def basicBehaviorMsg = dogInstance.basicBehavior() + then: + basicBehaviorMsg + basicBehaviorMsg instanceof String + assert basicBehaviorMsg == "Animalistic!!" + } +} \ No newline at end of file diff --git a/core-java-10/pom.xml b/core-java-10/pom.xml index 9fcdd9a162..b15f8b5d63 100644 --- a/core-java-10/pom.xml +++ b/core-java-10/pom.xml @@ -3,9 +3,9 @@ 4.0.0 com.baeldung core-java-10 - jar 0.1.0-SNAPSHOT core-java-10 + jar http://maven.apache.org diff --git a/core-java-11/README.md b/core-java-11/README.md index 181ada3f45..3c8b94fa28 100644 --- a/core-java-11/README.md +++ b/core-java-11/README.md @@ -2,4 +2,5 @@ - [Java 11 Single File Source Code](https://www.baeldung.com/java-single-file-source-code) - [Java 11 Local Variable Syntax for Lambda Parameters](https://www.baeldung.com/java-var-lambda-params) - +- [Java 11 String API Additions](https://www.baeldung.com/java-11-string-api) +- [Java 11 Nest Based Access Control](https://www.baeldung.com/java-nest-based-access-control) diff --git a/core-java-11/pom.xml b/core-java-11/pom.xml index 4dcab49867..a9776d8f3b 100644 --- a/core-java-11/pom.xml +++ b/core-java-11/pom.xml @@ -3,9 +3,9 @@ 4.0.0 com.baeldung core-java-11 - jar 0.1.0-SNAPSHOT core-java-11 + jar http://maven.apache.org diff --git a/core-java-11/src/main/java/com/baeldung/Outer.java b/core-java-11/src/main/java/com/baeldung/Outer.java new file mode 100644 index 0000000000..1d3cd72b44 --- /dev/null +++ b/core-java-11/src/main/java/com/baeldung/Outer.java @@ -0,0 +1,24 @@ +package com.baeldung; + +import java.lang.reflect.Method; + +public class Outer { + + public void outerPublic() { + } + + private void outerPrivate() { + } + + class Inner { + + public void innerPublic() { + outerPrivate(); + } + + public void innerPublicReflection(Outer ob) throws Exception { + Method method = ob.getClass().getDeclaredMethod("outerPrivate"); + method.invoke(ob); + } + } +} \ No newline at end of file diff --git a/core-java-11/src/main/java/com/baeldung/epsilongc/MemoryPolluter.java b/core-java-11/src/main/java/com/baeldung/epsilongc/MemoryPolluter.java new file mode 100644 index 0000000000..97e216513b --- /dev/null +++ b/core-java-11/src/main/java/com/baeldung/epsilongc/MemoryPolluter.java @@ -0,0 +1,18 @@ +package com.baeldung.epsilongc; + +public class MemoryPolluter { + + private static final int MEGABYTE_IN_BYTES = 1024 * 1024; + private static final int ITERATION_COUNT = 1024 * 10; + + public static void main(String[] args) { + System.out.println("Starting pollution"); + + for (int i = 0; i < ITERATION_COUNT; i++) { + byte[] array = new byte[MEGABYTE_IN_BYTES]; + } + + System.out.println("Terminating"); + } + +} diff --git a/core-java-11/src/main/java/com/baeldung/java11/httpclient/HttpClientExample.java b/core-java-11/src/main/java/com/baeldung/java11/httpclient/HttpClientExample.java new file mode 100644 index 0000000000..fb4abd3bb6 --- /dev/null +++ b/core-java-11/src/main/java/com/baeldung/java11/httpclient/HttpClientExample.java @@ -0,0 +1,132 @@ +/* + * To change this license header, choose License Headers in Project Properties. + * To change this template file, choose Tools | Templates + * and open the template in the editor. + */ +package com.baeldung.java11.httpclient; + +import java.io.IOException; +import java.net.URI; +import java.net.URISyntaxException; +import java.net.http.HttpClient; +import java.net.http.HttpClient.Version; +import java.net.http.HttpRequest; +import java.net.http.HttpRequest.BodyPublishers; +import java.net.http.HttpResponse; +import java.net.http.HttpResponse.BodyHandlers; +import java.net.http.HttpResponse.PushPromiseHandler; +import java.util.Arrays; +import java.util.List; +import java.util.concurrent.CompletableFuture; +import java.util.function.Function; +import java.util.stream.Collectors; + +public class HttpClientExample { + + public static void main(String[] args) throws Exception { + httpGetRequest(); + httpPostRequest(); + asynchronousGetRequest(); + asynchronousMultipleRequests(); + pushRequest(); + } + + public static void httpGetRequest() throws URISyntaxException, IOException, InterruptedException { + HttpClient client = HttpClient.newHttpClient(); + HttpRequest request = HttpRequest.newBuilder() + .version(HttpClient.Version.HTTP_2) + .uri(URI.create("http://jsonplaceholder.typicode.com/posts/1")) + .headers("Accept-Enconding", "gzip, deflate") + .build(); + HttpResponse response = client.send(request, BodyHandlers.ofString()); + + String responseBody = response.body(); + int responseStatusCode = response.statusCode(); + + System.out.println("httpGetRequest: " + responseBody); + System.out.println("httpGetRequest status code: " + responseStatusCode); + } + + public static void httpPostRequest() throws URISyntaxException, IOException, InterruptedException { + HttpClient client = HttpClient.newBuilder() + .version(HttpClient.Version.HTTP_2) + .build(); + HttpRequest request = HttpRequest.newBuilder(new URI("http://jsonplaceholder.typicode.com/posts")) + .version(HttpClient.Version.HTTP_2) + .POST(BodyPublishers.ofString("Sample Post Request")) + .build(); + HttpResponse response = client.send(request, BodyHandlers.ofString()); + String responseBody = response.body(); + System.out.println("httpPostRequest : " + responseBody); + } + + public static void asynchronousGetRequest() throws URISyntaxException { + HttpClient client = HttpClient.newHttpClient(); + URI httpURI = new URI("http://jsonplaceholder.typicode.com/posts/1"); + HttpRequest request = HttpRequest.newBuilder(httpURI) + .version(HttpClient.Version.HTTP_2) + .build(); + CompletableFuture futureResponse = client.sendAsync(request, HttpResponse.BodyHandlers.ofString()) + .thenAccept(resp -> { + System.out.println("Got pushed response " + resp.uri()); + System.out.println("Response statuscode: " + resp.statusCode()); + System.out.println("Response body: " + resp.body()); + }); + System.out.println("futureResponse" + futureResponse); + + } + + public static void asynchronousMultipleRequests() throws URISyntaxException { + HttpClient client = HttpClient.newHttpClient(); + List uris = Arrays.asList(new URI("http://jsonplaceholder.typicode.com/posts/1"), new URI("http://jsonplaceholder.typicode.com/posts/2")); + List requests = uris.stream() + .map(HttpRequest::newBuilder) + .map(reqBuilder -> reqBuilder.build()) + .collect(Collectors.toList()); + System.out.println("Got pushed response1 " + requests); + CompletableFuture.allOf(requests.stream() + .map(request -> client.sendAsync(request, BodyHandlers.ofString())) + .toArray(CompletableFuture[]::new)) + .thenAccept(System.out::println) + .join(); + } + + public static void pushRequest() throws URISyntaxException, InterruptedException { + System.out.println("Running HTTP/2 Server Push example..."); + + HttpClient httpClient = HttpClient.newBuilder() + .version(Version.HTTP_2) + .build(); + + HttpRequest pageRequest = HttpRequest.newBuilder() + .uri(URI.create("https://http2.golang.org/serverpush")) + .build(); + + // Interface HttpResponse.PushPromiseHandler + // void applyPushPromise​(HttpRequest initiatingRequest, HttpRequest pushPromiseRequest, Function,​CompletableFuture>> acceptor) + httpClient.sendAsync(pageRequest, BodyHandlers.ofString(), pushPromiseHandler()) + .thenAccept(pageResponse -> { + System.out.println("Page response status code: " + pageResponse.statusCode()); + System.out.println("Page response headers: " + pageResponse.headers()); + String responseBody = pageResponse.body(); + System.out.println(responseBody); + }).join(); + + Thread.sleep(1000); // waiting for full response + } + + private static PushPromiseHandler pushPromiseHandler() { + return (HttpRequest initiatingRequest, + HttpRequest pushPromiseRequest, + Function, + CompletableFuture>> acceptor) -> { + acceptor.apply(BodyHandlers.ofString()) + .thenAccept(resp -> { + System.out.println(" Pushed response: " + resp.uri() + ", headers: " + resp.headers()); + }); + System.out.println("Promise request: " + pushPromiseRequest.uri()); + System.out.println("Promise request: " + pushPromiseRequest.headers()); + }; + } + +} diff --git a/core-java-11/src/test/java/com/baeldung/OuterUnitTest.java b/core-java-11/src/test/java/com/baeldung/OuterUnitTest.java new file mode 100644 index 0000000000..9e6bd72680 --- /dev/null +++ b/core-java-11/src/test/java/com/baeldung/OuterUnitTest.java @@ -0,0 +1,46 @@ +package com.baeldung; + +import static org.junit.Assert.assertTrue; +import static org.hamcrest.CoreMatchers.is; + +import java.util.Arrays; +import java.util.Set; +import java.util.stream.Collectors; +import org.junit.Test; + +public class OuterUnitTest { + + private static final String NEST_HOST_NAME = "com.baeldung.Outer"; + + @Test + public void whenGetNestHostFromOuter_thenGetNestHost() { + is(Outer.class.getNestHost().getName()).equals(NEST_HOST_NAME); + } + + @Test + public void whenGetNestHostFromInner_thenGetNestHost() { + is(Outer.Inner.class.getNestHost().getName()).equals(NEST_HOST_NAME); + } + + @Test + public void whenCheckNestmatesForNestedClasses_thenGetTrue() { + is(Outer.Inner.class.isNestmateOf(Outer.class)).equals(true); + } + + @Test + public void whenCheckNestmatesForUnrelatedClasses_thenGetFalse() { + is(Outer.Inner.class.isNestmateOf(Outer.class)).equals(false); + } + + @Test + public void whenGetNestMembersForNestedClasses_thenGetAllNestedClasses() { + Set nestMembers = Arrays.stream(Outer.Inner.class.getNestMembers()) + .map(Class::getName) + .collect(Collectors.toSet()); + + is(nestMembers.size()).equals(2); + + assertTrue(nestMembers.contains("com.baeldung.Outer")); + assertTrue(nestMembers.contains("com.baeldung.Outer$Inner")); + } +} \ No newline at end of file diff --git a/core-java-11/src/test/java/com/baeldung/java11/httpclient/test/HttpClientTest.java b/core-java-11/src/test/java/com/baeldung/java11/httpclient/test/HttpClientTest.java new file mode 100644 index 0000000000..bade666636 --- /dev/null +++ b/core-java-11/src/test/java/com/baeldung/java11/httpclient/test/HttpClientTest.java @@ -0,0 +1,240 @@ +package com.baeldung.java11.httpclient.test; + +import static org.hamcrest.CoreMatchers.containsString; +import static org.hamcrest.CoreMatchers.equalTo; +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertThat; +import static org.junit.Assert.assertTrue; +import static org.junit.Assert.fail; + +import java.io.IOException; +import java.net.Authenticator; +import java.net.CookieManager; +import java.net.CookiePolicy; +import java.net.HttpURLConnection; +import java.net.PasswordAuthentication; +import java.net.ProxySelector; +import java.net.URI; +import java.net.URISyntaxException; +import java.net.http.HttpClient; +import java.net.http.HttpRequest; +import java.net.http.HttpResponse; +import java.net.http.HttpResponse.BodyHandlers; +import java.util.Arrays; +import java.util.List; +import java.util.concurrent.CompletableFuture; +import java.util.concurrent.CompletionException; +import java.util.concurrent.ExecutionException; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.TimeUnit; +import java.util.stream.Collectors; + +import org.junit.jupiter.api.Test; + +public class HttpClientTest { + + @Test + public void shouldReturnSampleDataContentWhenConnectViaSystemProxy() throws IOException, InterruptedException, URISyntaxException { + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("https://postman-echo.com/post")) + .headers("Content-Type", "text/plain;charset=UTF-8") + .POST(HttpRequest.BodyPublishers.ofString("Sample body")) + .build(); + + + HttpResponse response = HttpClient.newBuilder() + .proxy(ProxySelector.getDefault()) + .build() + .send(request, HttpResponse.BodyHandlers.ofString()); + + assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK)); + assertThat(response.body(), containsString("Sample body")); + } + + @Test + public void shouldNotFollowRedirectWhenSetToDefaultNever() throws IOException, InterruptedException, URISyntaxException { + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("http://stackoverflow.com")) + .version(HttpClient.Version.HTTP_1_1) + .GET() + .build(); + HttpResponse response = HttpClient.newBuilder() + .build() + .send(request, HttpResponse.BodyHandlers.ofString()); + + assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_MOVED_PERM)); + assertThat(response.body(), containsString("https://stackoverflow.com/")); + } + + @Test + public void shouldFollowRedirectWhenSetToAlways() throws IOException, InterruptedException, URISyntaxException { + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("http://stackoverflow.com")) + .version(HttpClient.Version.HTTP_1_1) + .GET() + .build(); + HttpResponse response = HttpClient.newBuilder() + .followRedirects(HttpClient.Redirect.ALWAYS) + .build() + .send(request, HttpResponse.BodyHandlers.ofString()); + + assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK)); + assertThat(response.request() + .uri() + .toString(), equalTo("https://stackoverflow.com/")); + } + + @Test + public void shouldReturnOKStatusForAuthenticatedAccess() throws URISyntaxException, IOException, InterruptedException { + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("https://postman-echo.com/basic-auth")) + .GET() + .build(); + HttpResponse response = HttpClient.newBuilder() + .authenticator(new Authenticator() { + @Override + protected PasswordAuthentication getPasswordAuthentication() { + return new PasswordAuthentication("postman", "password".toCharArray()); + } + }) + .build() + .send(request, HttpResponse.BodyHandlers.ofString()); + + assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK)); + } + + @Test + public void shouldSendRequestAsync() throws URISyntaxException, InterruptedException, ExecutionException { + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("https://postman-echo.com/post")) + .headers("Content-Type", "text/plain;charset=UTF-8") + .POST(HttpRequest.BodyPublishers.ofString("Sample body")) + .build(); + CompletableFuture> response = HttpClient.newBuilder() + .build() + .sendAsync(request, HttpResponse.BodyHandlers.ofString()); + + assertThat(response.get() + .statusCode(), equalTo(HttpURLConnection.HTTP_OK)); + } + + @Test + public void shouldUseJustTwoThreadWhenProcessingSendAsyncRequest() throws URISyntaxException, InterruptedException, ExecutionException { + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("https://postman-echo.com/get")) + .GET() + .build(); + + ExecutorService executorService = Executors.newFixedThreadPool(2); + + CompletableFuture> response1 = HttpClient.newBuilder() + .executor(executorService) + .build() + .sendAsync(request, HttpResponse.BodyHandlers.ofString()); + + CompletableFuture> response2 = HttpClient.newBuilder() + .executor(executorService) + .build() + .sendAsync(request, HttpResponse.BodyHandlers.ofString()); + + CompletableFuture> response3 = HttpClient.newBuilder() + .executor(executorService) + .build() + .sendAsync(request, HttpResponse.BodyHandlers.ofString()); + + CompletableFuture.allOf(response1, response2, response3) + .join(); + + assertThat(response1.get() + .statusCode(), equalTo(HttpURLConnection.HTTP_OK)); + assertThat(response2.get() + .statusCode(), equalTo(HttpURLConnection.HTTP_OK)); + assertThat(response3.get() + .statusCode(), equalTo(HttpURLConnection.HTTP_OK)); + } + + @Test + public void shouldNotStoreCookieWhenPolicyAcceptNone() throws URISyntaxException, IOException, InterruptedException { + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("https://postman-echo.com/get")) + .GET() + .build(); + + HttpClient httpClient = HttpClient.newBuilder() + .cookieHandler(new CookieManager(null, CookiePolicy.ACCEPT_NONE)) + .build(); + + httpClient.send(request, HttpResponse.BodyHandlers.ofString()); + + assertTrue(httpClient.cookieHandler() + .isPresent()); + } + + @Test + public void shouldStoreCookieWhenPolicyAcceptAll() throws URISyntaxException, IOException, InterruptedException { + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("https://postman-echo.com/get")) + .GET() + .build(); + + HttpClient httpClient = HttpClient.newBuilder() + .cookieHandler(new CookieManager(null, CookiePolicy.ACCEPT_ALL)) + .build(); + + httpClient.send(request, HttpResponse.BodyHandlers.ofString()); + + assertTrue(httpClient.cookieHandler() + .isPresent()); + } + + @Test + public void shouldProcessMultipleRequestViaStream() throws URISyntaxException, ExecutionException, InterruptedException { + List targets = Arrays.asList(new URI("https://postman-echo.com/get?foo1=bar1"), new URI("https://postman-echo.com/get?foo2=bar2")); + + HttpClient client = HttpClient.newHttpClient(); + + List> futures = targets.stream() + .map(target -> client.sendAsync(HttpRequest.newBuilder(target) + .GET() + .build(), HttpResponse.BodyHandlers.ofString()) + .thenApply(response -> response.body())) + .collect(Collectors.toList()); + + CompletableFuture.allOf(futures.toArray(new CompletableFuture[0])) + .join(); + + if (futures.get(0) + .get() + .contains("foo1")) { + assertThat(futures.get(0) + .get(), containsString("bar1")); + assertThat(futures.get(1) + .get(), containsString("bar2")); + } else { + assertThat(futures.get(1) + .get(), containsString("bar2")); + assertThat(futures.get(1) + .get(), containsString("bar1")); + } + + } + + @Test + public void completeExceptionallyExample() { + CompletableFuture cf = CompletableFuture.completedFuture("message").thenApplyAsync(String::toUpperCase, + CompletableFuture.delayedExecutor(1, TimeUnit.SECONDS)); + CompletableFuture exceptionHandler = cf.handle((s, th) -> { return (th != null) ? "message upon cancel" : ""; }); + cf.completeExceptionally(new RuntimeException("completed exceptionally")); + assertTrue("Was not completed exceptionally", cf.isCompletedExceptionally()); + try { + cf.join(); + fail("Should have thrown an exception"); + } catch (CompletionException ex) { // just for testing + assertEquals("completed exceptionally", ex.getCause().getMessage()); + } + + assertEquals("message upon cancel", exceptionHandler.join()); + } + +} diff --git a/core-java-11/src/test/java/com/baeldung/java11/httpclient/test/HttpRequestTest.java b/core-java-11/src/test/java/com/baeldung/java11/httpclient/test/HttpRequestTest.java new file mode 100644 index 0000000000..7d138bd8d5 --- /dev/null +++ b/core-java-11/src/test/java/com/baeldung/java11/httpclient/test/HttpRequestTest.java @@ -0,0 +1,168 @@ +package com.baeldung.java11.httpclient.test; + +import static java.time.temporal.ChronoUnit.SECONDS; +import static org.hamcrest.CoreMatchers.containsString; +import static org.hamcrest.CoreMatchers.equalTo; +import static org.junit.Assert.assertThat; + +import java.io.ByteArrayInputStream; +import java.io.IOException; +import java.net.HttpURLConnection; +import java.net.URI; +import java.net.URISyntaxException; +import java.net.http.HttpClient; +import java.net.http.HttpRequest; +import java.net.http.HttpResponse; +import java.nio.file.Paths; +import java.security.NoSuchAlgorithmException; +import java.time.Duration; + +import org.junit.Test; + +public class HttpRequestTest { + + @Test + public void shouldReturnStatusOKWhenSendGetRequest() throws IOException, InterruptedException, URISyntaxException { + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("https://postman-echo.com/get")) + .GET() + .build(); + + HttpResponse response = HttpClient.newHttpClient() + .send(request, HttpResponse.BodyHandlers.ofString()); + + assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK)); + } + + @Test + public void shouldUseHttp2WhenWebsiteUsesHttp2() throws IOException, InterruptedException, URISyntaxException { + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("https://stackoverflow.com")) + .version(HttpClient.Version.HTTP_2) + .GET() + .build(); + HttpResponse response = HttpClient.newHttpClient() + .send(request, HttpResponse.BodyHandlers.ofString()); + + assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK)); + assertThat(response.version(), equalTo(HttpClient.Version.HTTP_2)); + } + + @Test + public void shouldFallbackToHttp1_1WhenWebsiteDoesNotUseHttp2() throws IOException, InterruptedException, URISyntaxException, NoSuchAlgorithmException { + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("https://postman-echo.com/get")) + .version(HttpClient.Version.HTTP_2) + .GET() + .build(); + + HttpResponse response = HttpClient.newHttpClient() + .send(request, HttpResponse.BodyHandlers.ofString()); + + assertThat(response.version(), equalTo(HttpClient.Version.HTTP_1_1)); + } + + @Test + public void shouldReturnStatusOKWhenSendGetRequestWithDummyHeaders() throws IOException, InterruptedException, URISyntaxException { + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("https://postman-echo.com/get")) + .headers("key1", "value1", "key2", "value2") + .GET() + .build(); + + HttpResponse response = HttpClient.newHttpClient() + .send(request, HttpResponse.BodyHandlers.ofString()); + + assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK)); + } + + @Test + public void shouldReturnStatusOKWhenSendGetRequestTimeoutSet() throws IOException, InterruptedException, URISyntaxException { + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("https://postman-echo.com/get")) + .timeout(Duration.of(10, SECONDS)) + .GET() + .build(); + + HttpResponse response = HttpClient.newHttpClient() + .send(request, HttpResponse.BodyHandlers.ofString()); + + assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK)); + } + + @Test + public void shouldReturnNoContentWhenPostWithNoBody() throws IOException, InterruptedException, URISyntaxException { + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("https://postman-echo.com/post")) + .POST(HttpRequest.BodyPublishers.noBody()) + .build(); + + HttpResponse response = HttpClient.newHttpClient() + .send(request, HttpResponse.BodyHandlers.ofString()); + + assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK)); + } + + @Test + public void shouldReturnSampleDataContentWhenPostWithBodyText() throws IOException, InterruptedException, URISyntaxException { + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("https://postman-echo.com/post")) + .headers("Content-Type", "text/plain;charset=UTF-8") + .POST(HttpRequest.BodyPublishers.ofString("Sample request body")) + .build(); + + HttpResponse response = HttpClient.newHttpClient() + .send(request, HttpResponse.BodyHandlers.ofString()); + + assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK)); + assertThat(response.body(), containsString("Sample request body")); + } + + @Test + public void shouldReturnSampleDataContentWhenPostWithInputStream() throws IOException, InterruptedException, URISyntaxException { + byte[] sampleData = "Sample request body".getBytes(); + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("https://postman-echo.com/post")) + .headers("Content-Type", "text/plain;charset=UTF-8") + .POST(HttpRequest.BodyPublishers.ofInputStream(() -> new ByteArrayInputStream(sampleData))) + .build(); + + HttpResponse response = HttpClient.newHttpClient() + .send(request, HttpResponse.BodyHandlers.ofString()); + + assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK)); + assertThat(response.body(), containsString("Sample request body")); + } + + @Test + public void shouldReturnSampleDataContentWhenPostWithByteArrayProcessorStream() throws IOException, InterruptedException, URISyntaxException { + byte[] sampleData = "Sample request body".getBytes(); + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("https://postman-echo.com/post")) + .headers("Content-Type", "text/plain;charset=UTF-8") + .POST(HttpRequest.BodyPublishers.ofByteArray(sampleData)) + .build(); + + HttpResponse response = HttpClient.newHttpClient() + .send(request, HttpResponse.BodyHandlers.ofString()); + + assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK)); + assertThat(response.body(), containsString("Sample request body")); + } + + @Test + public void shouldReturnSampleDataContentWhenPostWithFileProcessorStream() throws IOException, InterruptedException, URISyntaxException { + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("https://postman-echo.com/post")) + .headers("Content-Type", "text/plain;charset=UTF-8") + .POST(HttpRequest.BodyPublishers.ofFile(Paths.get("src/test/resources/sample.txt"))) + .build(); + + HttpResponse response = HttpClient.newHttpClient() + .send(request, HttpResponse.BodyHandlers.ofString()); + + assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK)); + assertThat(response.body(), containsString("Sample file content")); + } + +} diff --git a/core-java-11/src/test/java/com/baeldung/java11/httpclient/test/HttpResponseTest.java b/core-java-11/src/test/java/com/baeldung/java11/httpclient/test/HttpResponseTest.java new file mode 100644 index 0000000000..78d86fbf4e --- /dev/null +++ b/core-java-11/src/test/java/com/baeldung/java11/httpclient/test/HttpResponseTest.java @@ -0,0 +1,54 @@ +package com.baeldung.java11.httpclient.test; + +import static org.hamcrest.CoreMatchers.equalTo; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertThat; + +import java.io.IOException; +import java.net.HttpURLConnection; +import java.net.URI; +import java.net.URISyntaxException; +import java.net.http.HttpClient; +import java.net.http.HttpRequest; +import java.net.http.HttpResponse; + +import org.junit.Test; + +public class HttpResponseTest { + + @Test + public void shouldReturnStatusOKWhenSendGetRequest() throws IOException, InterruptedException, URISyntaxException { + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("https://postman-echo.com/get")) + .version(HttpClient.Version.HTTP_2) + .GET() + .build(); + + HttpResponse response = HttpClient.newBuilder() + .followRedirects(HttpClient.Redirect.NORMAL) + .build() + .send(request, HttpResponse.BodyHandlers.ofString()); + + assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_OK)); + assertNotNull(response.body()); + } + + @Test + public void shouldResponseURIDifferentThanRequestUIRWhenRedirect() throws IOException, InterruptedException, URISyntaxException { + HttpRequest request = HttpRequest.newBuilder() + .uri(new URI("http://stackoverflow.com")) + .version(HttpClient.Version.HTTP_2) + .GET() + .build(); + HttpResponse response = HttpClient.newBuilder() + .followRedirects(HttpClient.Redirect.NORMAL) + .build() + .send(request, HttpResponse.BodyHandlers.ofString()); + + assertThat(request.uri() + .toString(), equalTo("http://stackoverflow.com")); + assertThat(response.uri() + .toString(), equalTo("https://stackoverflow.com/")); + } + +} diff --git a/core-java-11/src/test/java/com/baeldung/optional/OptionalUnitTest.java b/core-java-11/src/test/java/com/baeldung/optional/OptionalUnitTest.java new file mode 100644 index 0000000000..281155138d --- /dev/null +++ b/core-java-11/src/test/java/com/baeldung/optional/OptionalUnitTest.java @@ -0,0 +1,23 @@ +package com.baeldung.optional; + +import org.junit.Test; + +import java.util.Optional; + +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; + +/** + * Unit tests for {@link Optional} in Java 11. + */ +public class OptionalUnitTest { + + @Test + public void givenAnEmptyOptional_isEmpty_thenBehavesAsExpected() { + Optional opt = Optional.of("Baeldung"); + assertFalse(opt.isEmpty()); + + opt = Optional.ofNullable(null); + assertTrue(opt.isEmpty()); + } +} diff --git a/core-java-8/README.md b/core-java-8/README.md index e5fa953cc7..99182da390 100644 --- a/core-java-8/README.md +++ b/core-java-8/README.md @@ -4,9 +4,9 @@ ### Relevant Articles: - [Java 8 Collectors](http://www.baeldung.com/java-8-collectors) -- [Guide to Java 8’s Functional Interfaces](http://www.baeldung.com/java-8-functional-interfaces) +- [Functional Interfaces in Java 8](http://www.baeldung.com/java-8-functional-interfaces) - [Java 8 – Powerful Comparison with Lambdas](http://www.baeldung.com/java-8-sort-lambda) -- [Java 8 New Features](http://www.baeldung.com/java-8-new-features) +- [New Features in Java 8](http://www.baeldung.com/java-8-new-features) - [Lambda Expressions and Functional Interfaces: Tips and Best Practices](http://www.baeldung.com/java-8-lambda-expressions-tips) - [The Double Colon Operator in Java 8](http://www.baeldung.com/java-8-double-colon-operator) - [Guide to Java 8 groupingBy Collector](http://www.baeldung.com/java-groupingby-collector) @@ -33,3 +33,10 @@ - [Java Primitives versus Objects](https://www.baeldung.com/java-primitives-vs-objects) - [How to Use if/else Logic in Java 8 Streams](https://www.baeldung.com/java-8-streams-if-else-logic) - [How to Replace Many if Statements in Java](https://www.baeldung.com/java-replace-if-statements) +- [Java @Override Annotation](https://www.baeldung.com/java-override) +- [Java @SuppressWarnings Annotation](https://www.baeldung.com/java-suppresswarnings) +- [Java @SafeVarargs Annotation](https://www.baeldung.com/java-safevarargs) +- [Java @Deprecated Annotation](https://www.baeldung.com/java-deprecated) +- [Java 8 Predicate Chain](https://www.baeldung.com/java-predicate-chain) +- [Method References in Java](https://www.baeldung.com/java-method-references) +- [Creating a Custom Annotation in Java](https://www.baeldung.com/java-custom-annotation) diff --git a/core-java-8/pom.xml b/core-java-8/pom.xml index 18bdaa15f4..b63afef7d4 100644 --- a/core-java-8/pom.xml +++ b/core-java-8/pom.xml @@ -1,11 +1,11 @@ + xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 com.baeldung core-java-8 0.1.0-SNAPSHOT - jar core-java-8 + jar com.baeldung @@ -104,6 +104,24 @@ aspectjweaver ${asspectj.version} + + org.powermock + powermock-module-junit4 + ${powermock.version} + test + + + org.powermock + powermock-api-mockito2 + ${powermock.version} + test + + + org.jmockit + jmockit + ${jmockit.version} + test + @@ -119,7 +137,7 @@ org.apache.maven.plugins maven-compiler-plugin - 3.1 + ${maven-compiler-plugin.version} 1.8 1.8 @@ -142,6 +160,16 @@ + + maven-surefire-plugin + ${maven-surefire-plugin.version} + + + -javaagent:${settings.localRepository}/org/jmockit/jmockit/${jmockit.version}/jmockit-${jmockit.version}.jar + + true + + @@ -152,16 +180,20 @@ 4.1 4.01 1.10 - 1.16.12 0.9.0 1.13 2.10 3.6.1 1.8.9 + 2.0.0-RC.4 + 1.44 1.7.0 1.19 1.19 2.0.4.RELEASE + + 3.8.0 + 2.22.1 diff --git a/core-java-8/src/main/java/com/baeldung/customannotations/Init.java b/core-java-8/src/main/java/com/baeldung/customannotations/Init.java new file mode 100644 index 0000000000..265e7ba1d6 --- /dev/null +++ b/core-java-8/src/main/java/com/baeldung/customannotations/Init.java @@ -0,0 +1,13 @@ +package com.baeldung.customannotations; + +import static java.lang.annotation.ElementType.METHOD; +import static java.lang.annotation.RetentionPolicy.RUNTIME; + +import java.lang.annotation.Retention; +import java.lang.annotation.Target; + +@Retention(RUNTIME) +@Target(METHOD) +public @interface Init { + +} diff --git a/core-java-8/src/main/java/com/baeldung/customannotations/JsonElement.java b/core-java-8/src/main/java/com/baeldung/customannotations/JsonElement.java new file mode 100644 index 0000000000..e41a5b1e30 --- /dev/null +++ b/core-java-8/src/main/java/com/baeldung/customannotations/JsonElement.java @@ -0,0 +1,13 @@ +package com.baeldung.customannotations; + +import static java.lang.annotation.ElementType.FIELD; +import static java.lang.annotation.RetentionPolicy.RUNTIME; + +import java.lang.annotation.Retention; +import java.lang.annotation.Target; + +@Retention(RUNTIME) +@Target({ FIELD }) +public @interface JsonElement { + public String key() default ""; +} diff --git a/core-java-8/src/main/java/com/baeldung/customannotations/JsonSerializable.java b/core-java-8/src/main/java/com/baeldung/customannotations/JsonSerializable.java new file mode 100644 index 0000000000..48eeb09a1b --- /dev/null +++ b/core-java-8/src/main/java/com/baeldung/customannotations/JsonSerializable.java @@ -0,0 +1,13 @@ +package com.baeldung.customannotations; + +import static java.lang.annotation.ElementType.TYPE; +import static java.lang.annotation.RetentionPolicy.RUNTIME; + +import java.lang.annotation.Retention; +import java.lang.annotation.Target; + +@Retention(RUNTIME) +@Target(TYPE) +public @interface JsonSerializable { + +} diff --git a/core-java-8/src/main/java/com/baeldung/customannotations/JsonSerializationException.java b/core-java-8/src/main/java/com/baeldung/customannotations/JsonSerializationException.java new file mode 100644 index 0000000000..f2c29855ac --- /dev/null +++ b/core-java-8/src/main/java/com/baeldung/customannotations/JsonSerializationException.java @@ -0,0 +1,10 @@ +package com.baeldung.customannotations; + +public class JsonSerializationException extends RuntimeException { + + private static final long serialVersionUID = 1L; + + public JsonSerializationException(String message) { + super(message); + } +} diff --git a/core-java-8/src/main/java/com/baeldung/customannotations/ObjectToJsonConverter.java b/core-java-8/src/main/java/com/baeldung/customannotations/ObjectToJsonConverter.java new file mode 100644 index 0000000000..dd126be8ed --- /dev/null +++ b/core-java-8/src/main/java/com/baeldung/customannotations/ObjectToJsonConverter.java @@ -0,0 +1,67 @@ +package com.baeldung.customannotations; + +import java.lang.reflect.Field; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.util.HashMap; +import java.util.Map; +import java.util.Objects; +import java.util.stream.Collectors; + +public class ObjectToJsonConverter { + public String convertToJson(Object object) throws JsonSerializationException { + try { + + checkIfSerializable(object); + initializeObject(object); + return getJsonString(object); + + } catch (Exception e) { + throw new JsonSerializationException(e.getMessage()); + } + } + + private void checkIfSerializable(Object object) { + if (Objects.isNull(object)) { + throw new JsonSerializationException("Can't serialize a null object"); + } + + Class clazz = object.getClass(); + if (!clazz.isAnnotationPresent(JsonSerializable.class)) { + throw new JsonSerializationException("The class " + clazz.getSimpleName() + " is not annotated with JsonSerializable"); + } + } + + private void initializeObject(Object object) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException { + Class clazz = object.getClass(); + for (Method method : clazz.getDeclaredMethods()) { + if (method.isAnnotationPresent(Init.class)) { + method.setAccessible(true); + method.invoke(object); + } + } + } + + private String getJsonString(Object object) throws IllegalArgumentException, IllegalAccessException { + Class clazz = object.getClass(); + Map jsonElementsMap = new HashMap<>(); + for (Field field : clazz.getDeclaredFields()) { + field.setAccessible(true); + if (field.isAnnotationPresent(JsonElement.class)) { + jsonElementsMap.put(getKey(field), (String) field.get(object)); + } + } + + String jsonString = jsonElementsMap.entrySet() + .stream() + .map(entry -> "\"" + entry.getKey() + "\":\"" + entry.getValue() + "\"") + .collect(Collectors.joining(",")); + return "{" + jsonString + "}"; + } + + private String getKey(Field field) { + String value = field.getAnnotation(JsonElement.class) + .key(); + return value.isEmpty() ? field.getName() : value; + } +} diff --git a/core-java-8/src/main/java/com/baeldung/customannotations/Person.java b/core-java-8/src/main/java/com/baeldung/customannotations/Person.java new file mode 100644 index 0000000000..5db1a7f279 --- /dev/null +++ b/core-java-8/src/main/java/com/baeldung/customannotations/Person.java @@ -0,0 +1,66 @@ +package com.baeldung.customannotations; + +@JsonSerializable +public class Person { + @JsonElement + private String firstName; + @JsonElement + private String lastName; + @JsonElement(key = "personAge") + private String age; + + private String address; + + public Person(String firstName, String lastName) { + super(); + this.firstName = firstName; + this.lastName = lastName; + } + + public Person(String firstName, String lastName, String age) { + this.firstName = firstName; + this.lastName = lastName; + this.age = age; + } + + @Init + private void initNames() { + this.firstName = this.firstName.substring(0, 1) + .toUpperCase() + this.firstName.substring(1); + this.lastName = this.lastName.substring(0, 1) + .toUpperCase() + this.lastName.substring(1); + } + + public String getFirstName() { + return firstName; + } + + public void setFirstName(String firstName) { + this.firstName = firstName; + } + + public String getLastName() { + return lastName; + } + + public void setLastName(String lastName) { + this.lastName = lastName; + } + + public String getAge() { + return age; + } + + public void setAge(String age) { + this.age = age; + } + + public String getAddress() { + return address; + } + + public void setAddress(String address) { + this.address = address; + } + +} diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/Circle.java b/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/Circle.java deleted file mode 100644 index bf0e613567..0000000000 --- a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/Circle.java +++ /dev/null @@ -1,21 +0,0 @@ -package com.baeldung.interfaces.polymorphysim; - -public class Circle implements Shape { - - private double radius; - - public Circle(double radius){ - this.radius = radius; - } - - @Override - public String name() { - return "Circle"; - } - - @Override - public double area() { - return Math.PI * (radius * radius); - } - -} diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/DisplayShape.java b/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/DisplayShape.java deleted file mode 100644 index 2cf4fafee1..0000000000 --- a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/DisplayShape.java +++ /dev/null @@ -1,22 +0,0 @@ -package com.baeldung.interfaces.polymorphysim; - -import java.util.ArrayList; - -public class DisplayShape { - - private ArrayList shapes; - - public DisplayShape() { - shapes = new ArrayList<>(); - } - - public void add(Shape shape) { - shapes.add(shape); - } - - public void display() { - for (Shape shape : shapes) { - System.out.println(shape.name() + " area: " + shape.area()); - } - } -} diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/MainPolymorphic.java b/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/MainPolymorphic.java deleted file mode 100644 index cc43c1300b..0000000000 --- a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/MainPolymorphic.java +++ /dev/null @@ -1,15 +0,0 @@ -package com.baeldung.interfaces.polymorphysim; - -public class MainPolymorphic { - public static void main(String[] args){ - - Shape circleShape = new Circle(2); - Shape squareShape = new Square(2); - - DisplayShape displayShape = new DisplayShape(); - displayShape.add(circleShape); - displayShape.add(squareShape); - - displayShape.display(); - } -} diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/Square.java b/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/Square.java deleted file mode 100644 index 9c440150b5..0000000000 --- a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/Square.java +++ /dev/null @@ -1,20 +0,0 @@ -package com.baeldung.interfaces.polymorphysim; - -public class Square implements Shape { - - private double width; - - public Square(double width) { - this.width = width; - } - - @Override - public String name() { - return "Square"; - } - - @Override - public double area() { - return width * width; - } -} diff --git a/core-java-8/src/main/java/com/baeldung/streamreduce/application/Application.java b/core-java-8/src/main/java/com/baeldung/streamreduce/application/Application.java new file mode 100644 index 0000000000..0b1dd952dc --- /dev/null +++ b/core-java-8/src/main/java/com/baeldung/streamreduce/application/Application.java @@ -0,0 +1,62 @@ +package com.baeldung.streamreduce.application; + +import com.baeldung.streamreduce.entities.User; +import com.baeldung.streamreduce.utilities.NumberUtils; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; + +public class Application { + + public static void main(String[] args) { + List numbers = Arrays.asList(1, 2, 3, 4, 5, 6); + int result1 = numbers.stream().reduce(0, (a, b) -> a + b); + System.out.println(result1); + + int result2 = numbers.stream().reduce(0, Integer::sum); + System.out.println(result2); + + List letters = Arrays.asList("a", "b", "c", "d", "e"); + String result3 = letters.stream().reduce("", (a, b) -> a + b); + System.out.println(result3); + + String result4 = letters.stream().reduce("", String::concat); + System.out.println(result4); + + String result5 = letters.stream().reduce("", (a, b) -> a.toUpperCase() + b.toUpperCase()); + System.out.println(result5); + + List users = Arrays.asList(new User("John", 30), new User("Julie", 35)); + int result6 = users.stream().reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum); + System.out.println(result6); + + String result7 = letters.parallelStream().reduce("", String::concat); + System.out.println(result7); + + int result8 = users.parallelStream().reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum); + System.out.println(result8); + + List userList = new ArrayList<>(); + for (int i = 0; i <= 1000000; i++) { + userList.add(new User("John" + i, i)); + } + + long t1 = System.currentTimeMillis(); + int result9 = userList.stream().reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum); + long t2 = System.currentTimeMillis(); + System.out.println(result9); + System.out.println("Sequential stream time: " + (t2 - t1) + "ms"); + + long t3 = System.currentTimeMillis(); + int result10 = userList.parallelStream().reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum); + long t4 = System.currentTimeMillis(); + System.out.println(result10); + System.out.println("Parallel stream time: " + (t4 - t3) + "ms"); + + int result11 = NumberUtils.divideListElements(numbers, 1); + System.out.println(result11); + + int result12 = NumberUtils.divideListElementsWithExtractedTryCatchBlock(numbers, 0); + System.out.println(result12); + } +} diff --git a/core-java-8/src/main/java/com/baeldung/streamreduce/entities/User.java b/core-java-8/src/main/java/com/baeldung/streamreduce/entities/User.java new file mode 100644 index 0000000000..bc13a8cde6 --- /dev/null +++ b/core-java-8/src/main/java/com/baeldung/streamreduce/entities/User.java @@ -0,0 +1,25 @@ +package com.baeldung.streamreduce.entities; + +public class User { + + private final String name; + private final int age; + + public User(String name, int age) { + this.name = name; + this.age = age; + } + + public String getName() { + return name; + } + + public int getAge() { + return age; + } + + @Override + public String toString() { + return "User{" + "name=" + name + ", age=" + age + '}'; + } +} diff --git a/core-java-8/src/main/java/com/baeldung/streamreduce/utilities/NumberUtils.java b/core-java-8/src/main/java/com/baeldung/streamreduce/utilities/NumberUtils.java new file mode 100644 index 0000000000..7a6a85e6c4 --- /dev/null +++ b/core-java-8/src/main/java/com/baeldung/streamreduce/utilities/NumberUtils.java @@ -0,0 +1,52 @@ +package com.baeldung.streamreduce.utilities; + +import java.util.List; +import java.util.function.BiFunction; +import java.util.logging.Level; +import java.util.logging.Logger; + +public abstract class NumberUtils { + + private static final Logger LOGGER = Logger.getLogger(NumberUtils.class.getName()); + + public static int divideListElements(List values, Integer divider) { + return values.stream() + .reduce(0, (a, b) -> { + try { + return a / divider + b / divider; + } catch (ArithmeticException e) { + LOGGER.log(Level.INFO, "Arithmetic Exception: Division by Zero"); + } + return 0; + }); + } + + public static int divideListElementsWithExtractedTryCatchBlock(List values, int divider) { + return values.stream().reduce(0, (a, b) -> divide(a, divider) + divide(b, divider)); + } + + public static int divideListElementsWithApplyFunctionMethod(List values, int divider) { + BiFunction division = (a, b) -> a / b; + return values.stream().reduce(0, (a, b) -> applyFunction(division, a, divider) + applyFunction(division, b, divider)); + } + + private static int divide(int value, int factor) { + int result = 0; + try { + result = value / factor; + } catch (ArithmeticException e) { + LOGGER.log(Level.INFO, "Arithmetic Exception: Division by Zero"); + } + return result; + } + + private static int applyFunction(BiFunction function, int a, int b) { + try { + return function.apply(a, b); + } + catch(Exception e) { + LOGGER.log(Level.INFO, "Exception occurred!"); + } + return 0; + } +} diff --git a/core-java-8/src/test/java/com/baeldung/collectors/Java8CollectorsUnitTest.java b/core-java-8/src/test/java/com/baeldung/collectors/Java8CollectorsUnitTest.java index bad1c32e4a..e742635758 100644 --- a/core-java-8/src/test/java/com/baeldung/collectors/Java8CollectorsUnitTest.java +++ b/core-java-8/src/test/java/com/baeldung/collectors/Java8CollectorsUnitTest.java @@ -39,6 +39,7 @@ import static org.assertj.core.api.Assertions.assertThatThrownBy; public class Java8CollectorsUnitTest { private final List givenList = Arrays.asList("a", "bb", "ccc", "dd"); + private final List listWithDuplicates = Arrays.asList("a", "bb", "c", "d", "bb"); @Test public void whenCollectingToList_shouldCollectToList() throws Exception { @@ -48,12 +49,19 @@ public class Java8CollectorsUnitTest { } @Test - public void whenCollectingToList_shouldCollectToSet() throws Exception { + public void whenCollectingToSet_shouldCollectToSet() throws Exception { final Set result = givenList.stream().collect(toSet()); assertThat(result).containsAll(givenList); } + @Test + public void givenContainsDuplicateElements_whenCollectingToSet_shouldAddDuplicateElementsOnlyOnce() throws Exception { + final Set result = listWithDuplicates.stream().collect(toSet()); + + assertThat(result).hasSize(4); + } + @Test public void whenCollectingToCollection_shouldCollectToCollection() throws Exception { final List result = givenList.stream().collect(toCollection(LinkedList::new)); @@ -77,10 +85,23 @@ public class Java8CollectorsUnitTest { } @Test - public void whenCollectingToMap_shouldCollectToMapMerging() throws Exception { - final Map result = givenList.stream().collect(toMap(Function.identity(), String::length, (i1, i2) -> i1)); + public void whenCollectingToMapwWithDuplicates_shouldCollectToMapMergingTheIdenticalItems() throws Exception { + final Map result = listWithDuplicates.stream().collect( + toMap( + Function.identity(), + String::length, + (item, identicalItem) -> item + ) + ); - assertThat(result).containsEntry("a", 1).containsEntry("bb", 2).containsEntry("ccc", 3).containsEntry("dd", 2); + assertThat(result).containsEntry("a", 1).containsEntry("bb", 2).containsEntry("c", 1).containsEntry("d", 1); + } + + @Test + public void givenContainsDuplicateElements_whenCollectingToMap_shouldThrowException() throws Exception { + assertThatThrownBy(() -> { + listWithDuplicates.stream().collect(toMap(Function.identity(), String::length)); + }).isInstanceOf(IllegalStateException.class); } @Test diff --git a/core-java-8/src/test/java/com/baeldung/customannotations/JsonSerializerUnitTest.java b/core-java-8/src/test/java/com/baeldung/customannotations/JsonSerializerUnitTest.java new file mode 100644 index 0000000000..f24b37aef7 --- /dev/null +++ b/core-java-8/src/test/java/com/baeldung/customannotations/JsonSerializerUnitTest.java @@ -0,0 +1,26 @@ +package com.baeldung.customannotations; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertThrows; + +import org.junit.jupiter.api.Test; + +public class JsonSerializerUnitTest { + + @Test + public void givenObjectNotSerializedThenExceptionThrown() throws JsonSerializationException { + Object object = new Object(); + ObjectToJsonConverter serializer = new ObjectToJsonConverter(); + assertThrows(JsonSerializationException.class, () -> { + serializer.convertToJson(object); + }); + } + + @Test + public void givenObjectSerializedThenTrueReturned() throws JsonSerializationException { + Person person = new Person("soufiane", "cheouati", "34"); + ObjectToJsonConverter serializer = new ObjectToJsonConverter(); + String jsonString = serializer.convertToJson(person); + assertEquals("{\"personAge\":\"34\",\"firstName\":\"Soufiane\",\"lastName\":\"Cheouati\"}", jsonString); + } +} diff --git a/core-java-8/src/test/java/com/baeldung/interfaces/PolymorphysimUnitTest.java b/core-java-8/src/test/java/com/baeldung/interfaces/PolymorphysimUnitTest.java deleted file mode 100644 index 7ded5e6621..0000000000 --- a/core-java-8/src/test/java/com/baeldung/interfaces/PolymorphysimUnitTest.java +++ /dev/null @@ -1,26 +0,0 @@ -package com.baeldung.interfaces; - -import com.baeldung.interfaces.polymorphysim.Circle; -import com.baeldung.interfaces.polymorphysim.Shape; -import com.baeldung.interfaces.polymorphysim.Square; -import org.assertj.core.api.Assertions; -import org.junit.Test; - -public class PolymorphysimUnitTest { - - @Test - public void whenInterfacePointsToCircle_CircleAreaMethodisBeingCalled(){ - double expectedArea = 12.566370614359172; - Shape circle = new Circle(2); - double actualArea = circle.area(); - Assertions.assertThat(actualArea).isEqualTo(expectedArea); - } - - @Test - public void whenInterfacePointsToSquare_SquareAreaMethodisBeingCalled(){ - double expectedArea = 4; - Shape square = new Square(2); - double actualArea = square.area(); - Assertions.assertThat(actualArea).isEqualTo(expectedArea); - } -} diff --git a/core-java-8/src/test/java/com/baeldung/java8/lambda/methodreference/Bicycle.java b/core-java-8/src/test/java/com/baeldung/java8/lambda/methodreference/Bicycle.java new file mode 100644 index 0000000000..26f9f8bc46 --- /dev/null +++ b/core-java-8/src/test/java/com/baeldung/java8/lambda/methodreference/Bicycle.java @@ -0,0 +1,34 @@ +package com.baeldung.java8.lambda.methodreference; + +public class Bicycle { + + private String brand; + private Integer frameSize; + + public Bicycle(String brand) { + this.brand = brand; + this.frameSize = 0; + } + + public Bicycle(String brand, Integer frameSize) { + this.brand = brand; + this.frameSize = frameSize; + } + + public String getBrand() { + return brand; + } + + public void setBrand(String brand) { + this.brand = brand; + } + + public Integer getFrameSize() { + return frameSize; + } + + public void setFrameSize(Integer frameSize) { + this.frameSize = frameSize; + } + +} diff --git a/core-java-8/src/test/java/com/baeldung/java8/lambda/methodreference/BicycleComparator.java b/core-java-8/src/test/java/com/baeldung/java8/lambda/methodreference/BicycleComparator.java new file mode 100644 index 0000000000..153a7d105a --- /dev/null +++ b/core-java-8/src/test/java/com/baeldung/java8/lambda/methodreference/BicycleComparator.java @@ -0,0 +1,13 @@ +package com.baeldung.java8.lambda.methodreference; + +import java.util.Comparator; + +public class BicycleComparator implements Comparator { + + @Override + public int compare(Bicycle a, Bicycle b) { + return a.getFrameSize() + .compareTo(b.getFrameSize()); + } + +} diff --git a/core-java-8/src/test/java/com/baeldung/java8/lambda/methodreference/MethodReferenceUnitTest.java b/core-java-8/src/test/java/com/baeldung/java8/lambda/methodreference/MethodReferenceUnitTest.java new file mode 100644 index 0000000000..835815aecd --- /dev/null +++ b/core-java-8/src/test/java/com/baeldung/java8/lambda/methodreference/MethodReferenceUnitTest.java @@ -0,0 +1,77 @@ +package com.baeldung.java8.lambda.methodreference; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; +import java.util.function.BiFunction; + +import org.apache.commons.lang3.StringUtils; +import org.junit.Test; + +public class MethodReferenceUnitTest { + + private static void doNothingAtAll(Object... o) { + } + + ; + + @Test + public void referenceToStaticMethod() { + List messages = Arrays.asList("Hello", "Baeldung", "readers!"); + messages.forEach(word -> StringUtils.capitalize(word)); + messages.forEach(StringUtils::capitalize); + } + + @Test + public void referenceToInstanceMethodOfParticularObject() { + BicycleComparator bikeFrameSizeComparator = new BicycleComparator(); + createBicyclesList().stream() + .sorted((a, b) -> bikeFrameSizeComparator.compare(a, b)); + createBicyclesList().stream() + .sorted(bikeFrameSizeComparator::compare); + } + + @Test + public void referenceToInstanceMethodOfArbitratyObjectOfParticularType() { + List numbers = Arrays.asList(5, 3, 50, 24, 40, 2, 9, 18); + numbers.stream() + .sorted((a, b) -> Integer.compare(a, b)); + numbers.stream() + .sorted(Integer::compare); + } + + @Test + public void referenceToConstructor() { + BiFunction bikeCreator = (brand, frameSize) -> new Bicycle(brand, frameSize); + BiFunction bikeCreatorMethodReference = Bicycle::new; + List bikes = new ArrayList<>(); + bikes.add(bikeCreator.apply("Giant", 50)); + bikes.add(bikeCreator.apply("Scott", 20)); + bikes.add(bikeCreatorMethodReference.apply("Trek", 35)); + bikes.add(bikeCreatorMethodReference.apply("GT", 40)); + } + + @Test + public void referenceToConstructorSimpleExample() { + List bikeBrands = Arrays.asList("Giant", "Scott", "Trek", "GT"); + bikeBrands.stream() + .map(Bicycle::new) + .toArray(Bicycle[]::new); + } + + @Test + public void limitationsAndAdditionalExamples() { + createBicyclesList().forEach(b -> System.out.printf("Bike brand is '%s' and frame size is '%d'%n", b.getBrand(), b.getFrameSize())); + createBicyclesList().forEach((o) -> MethodReferenceUnitTest.doNothingAtAll(o)); + } + + private List createBicyclesList() { + List bikes = new ArrayList<>(); + bikes.add(new Bicycle("Giant", 50)); + bikes.add(new Bicycle("Scott", 20)); + bikes.add(new Bicycle("Trek", 35)); + bikes.add(new Bicycle("GT", 40)); + return bikes; + } + +} diff --git a/core-java-8/src/test/java/com/baeldung/java8/optional/OptionalChainingUnitTest.java b/core-java-8/src/test/java/com/baeldung/java8/optional/OptionalChainingUnitTest.java new file mode 100644 index 0000000000..70ec324cb3 --- /dev/null +++ b/core-java-8/src/test/java/com/baeldung/java8/optional/OptionalChainingUnitTest.java @@ -0,0 +1,110 @@ +package com.baeldung.java8.optional; + +import org.junit.Before; +import org.junit.Test; + +import java.util.Optional; +import java.util.function.Supplier; +import java.util.stream.Stream; + +import static org.junit.Assert.*; + +public class OptionalChainingUnitTest { + + private boolean getEmptyEvaluated; + private boolean getHelloEvaluated; + private boolean getByeEvaluated; + + @Before + public void setUp() { + getEmptyEvaluated = false; + getHelloEvaluated = false; + getByeEvaluated = false; + } + + @Test + public void givenThreeOptionals_whenChaining_thenFirstNonEmptyIsReturned() { + Optional found = Stream.of(getEmpty(), getHello(), getBye()) + .filter(Optional::isPresent) + .map(Optional::get) + .findFirst(); + + assertEquals(getHello(), found); + } + + @Test + public void givenTwoEmptyOptionals_whenChaining_thenEmptyOptionalIsReturned() { + Optional found = Stream.of(getEmpty(), getEmpty()) + .filter(Optional::isPresent) + .map(Optional::get) + .findFirst(); + + assertFalse(found.isPresent()); + } + + @Test + public void givenTwoEmptyOptionals_whenChaining_thenDefaultIsReturned() { + String found = Stream.>>of( + () -> createOptional("empty"), + () -> createOptional("empty") + ) + .map(Supplier::get) + .filter(Optional::isPresent) + .map(Optional::get) + .findFirst() + .orElseGet(() -> "default"); + + assertEquals("default", found); + } + + @Test + public void givenThreeOptionals_whenChaining_thenFirstNonEmptyIsReturnedAndRestNotEvaluated() { + Optional found = Stream.>>of(this::getEmpty, this::getHello, this::getBye) + .map(Supplier::get) + .filter(Optional::isPresent) + .map(Optional::get) + .findFirst(); + + assertTrue(this.getEmptyEvaluated); + assertTrue(this.getHelloEvaluated); + assertFalse(this.getByeEvaluated); + assertEquals(getHello(), found); + } + + @Test + public void givenTwoOptionalsReturnedByOneArgMethod_whenChaining_thenFirstNonEmptyIsReturned() { + Optional found = Stream.>>of( + () -> createOptional("empty"), + () -> createOptional("hello") + ) + .map(Supplier::get) + .filter(Optional::isPresent) + .map(Optional::get) + .findFirst(); + + assertEquals(createOptional("hello"), found); + } + + private Optional getEmpty() { + this.getEmptyEvaluated = true; + return Optional.empty(); + } + + private Optional getHello() { + this.getHelloEvaluated = true; + return Optional.of("hello"); + } + + private Optional getBye() { + this.getByeEvaluated = true; + return Optional.of("bye"); + } + + private Optional createOptional(String input) { + if (input == null || input == "" || input == "empty") { + return Optional.empty(); + } + + return Optional.of(input); + } +} \ No newline at end of file diff --git a/core-java-8/src/test/java/com/baeldung/streamreduce/tests/StreamReduceManualTest.java b/core-java-8/src/test/java/com/baeldung/streamreduce/tests/StreamReduceManualTest.java new file mode 100644 index 0000000000..9222cbb689 --- /dev/null +++ b/core-java-8/src/test/java/com/baeldung/streamreduce/tests/StreamReduceManualTest.java @@ -0,0 +1,126 @@ +package com.baeldung.streamreduce.tests; + +import com.baeldung.streamreduce.entities.User; +import com.baeldung.streamreduce.utilities.NumberUtils; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; +import static org.assertj.core.api.Assertions.assertThat; +import org.junit.Test; + +public class StreamReduceManualTest { + + @Test + public void givenIntegerList_whenReduceWithSumAccumulatorLambda_thenCorrect() { + List numbers = Arrays.asList(1, 2, 3, 4, 5, 6); + + int result = numbers.stream().reduce(0, (a, b) -> a + b); + + assertThat(result).isEqualTo(21); + } + + @Test + public void givenIntegerList_whenReduceWithSumAccumulatorMethodReference_thenCorrect() { + List numbers = Arrays.asList(1, 2, 3, 4, 5, 6); + + int result = numbers.stream().reduce(0, Integer::sum); + + assertThat(result).isEqualTo(21); + } + + @Test + public void givenStringList_whenReduceWithConcatenatorAccumulatorLambda_thenCorrect() { + List letters = Arrays.asList("a", "b", "c", "d", "e"); + + String result = letters.stream().reduce("", (a, b) -> a + b); + + assertThat(result).isEqualTo("abcde"); + } + + @Test + public void givenStringList_whenReduceWithConcatenatorAccumulatorMethodReference_thenCorrect() { + List letters = Arrays.asList("a", "b", "c", "d", "e"); + + String result = letters.stream().reduce("", String::concat); + + assertThat(result).isEqualTo("abcde"); + } + + @Test + public void givenStringList_whenReduceWithUppercaseConcatenatorAccumulator_thenCorrect() { + List letters = Arrays.asList("a", "b", "c", "d", "e"); + + String result = letters.stream().reduce("", (a, b) -> a.toUpperCase() + b.toUpperCase()); + + assertThat(result).isEqualTo("ABCDE"); + } + + @Test + public void givenUserList_whenReduceWithAgeAccumulatorAndSumCombiner_thenCorrect() { + List users = Arrays.asList(new User("John", 30), new User("Julie", 35)); + + int result = users.stream().reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum); + + assertThat(result).isEqualTo(65); + } + + @Test + public void givenStringList_whenReduceWithParallelStream_thenCorrect() { + List letters = Arrays.asList("a", "b", "c", "d", "e"); + + String result = letters.parallelStream().reduce("", String::concat); + + assertThat(result).isEqualTo("abcde"); + } + + @Test + public void givenNumberUtilsClass_whenCalledDivideListElements_thenCorrect() { + List numbers = Arrays.asList(1, 2, 3, 4, 5, 6); + + assertThat(NumberUtils.divideListElements(numbers, 1)).isEqualTo(21); + } + + @Test + public void givenNumberUtilsClass_whenCalledDivideListElementsWithExtractedTryCatchBlock_thenCorrect() { + List numbers = Arrays.asList(1, 2, 3, 4, 5, 6); + + assertThat(NumberUtils.divideListElementsWithExtractedTryCatchBlock(numbers, 1)).isEqualTo(21); + } + + @Test + public void givenNumberUtilsClass_whenCalledDivideListElementsWithExtractedTryCatchBlockAndListContainsZero_thenCorrect() { + List numbers = Arrays.asList(0, 1, 2, 3, 4, 5, 6); + + assertThat(NumberUtils.divideListElementsWithExtractedTryCatchBlock(numbers, 1)).isEqualTo(21); + } + + @Test + public void givenNumberUtilsClass_whenCalledDivideListElementsWithExtractedTryCatchBlockAndDividerIsZero_thenCorrect() { + List numbers = Arrays.asList(1, 2, 3, 4, 5, 6); + + assertThat(NumberUtils.divideListElementsWithExtractedTryCatchBlock(numbers, 0)).isEqualTo(0); + } + + @Test + public void givenStream_whneCalleddivideListElementsWithApplyFunctionMethod_thenCorrect() { + List numbers = Arrays.asList(1, 2, 3, 4, 5, 6); + + assertThat(NumberUtils.divideListElementsWithApplyFunctionMethod(numbers, 1)).isEqualTo(21); + } + + @Test + public void givenTwoStreams_whenCalledReduceOnParallelizedStream_thenFasterExecutionTime() { + List userList = new ArrayList<>(); + for (int i = 0; i <= 1000000; i++) { + userList.add(new User("John" + i, i)); + } + long currentTime1 = System.currentTimeMillis(); + userList.stream().reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum); + long sequentialExecutionTime = System.currentTimeMillis() -currentTime1; + long currentTime2 = System.currentTimeMillis(); + userList.parallelStream().reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum); + long parallelizedExecutionTime = System.currentTimeMillis() - currentTime2; + + assertThat(parallelizedExecutionTime).isLessThan(sequentialExecutionTime); + } +} diff --git a/core-java-8/src/test/java/com/baeldung/time/InstantUnitTest.java b/core-java-8/src/test/java/com/baeldung/time/InstantUnitTest.java new file mode 100644 index 0000000000..8400748710 --- /dev/null +++ b/core-java-8/src/test/java/com/baeldung/time/InstantUnitTest.java @@ -0,0 +1,42 @@ +package com.baeldung.time; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.powermock.core.classloader.annotations.PrepareForTest; +import org.powermock.modules.junit4.PowerMockRunner; + +import java.time.Clock; +import java.time.Instant; +import java.time.ZoneId; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.mockito.Mockito.when; +import static org.powermock.api.mockito.PowerMockito.mockStatic; + +@RunWith(PowerMockRunner.class) +@PrepareForTest({ Instant.class }) +public class InstantUnitTest { + + @Test + public void givenInstantMock_whenNow_thenGetFixedInstant() { + String instantExpected = "2014-12-22T10:15:30Z"; + Clock clock = Clock.fixed(Instant.parse(instantExpected), ZoneId.of("UTC")); + Instant instant = Instant.now(clock); + mockStatic(Instant.class); + when(Instant.now()).thenReturn(instant); + + Instant now = Instant.now(); + + assertThat(now.toString()).isEqualTo(instantExpected); + } + + @Test + public void givenFixedClock_whenNow_thenGetFixedInstant() { + String instantExpected = "2014-12-22T10:15:30Z"; + Clock clock = Clock.fixed(Instant.parse(instantExpected), ZoneId.of("UTC")); + + Instant instant = Instant.now(clock); + + assertThat(instant.toString()).isEqualTo(instantExpected); + } +} diff --git a/core-java-8/src/test/java/com/baeldung/time/InstantWithJMockUnitTest.java b/core-java-8/src/test/java/com/baeldung/time/InstantWithJMockUnitTest.java new file mode 100644 index 0000000000..8f83b91101 --- /dev/null +++ b/core-java-8/src/test/java/com/baeldung/time/InstantWithJMockUnitTest.java @@ -0,0 +1,47 @@ +package com.baeldung.time; + +import mockit.Expectations; +import mockit.Mock; +import mockit.MockUp; +import org.junit.jupiter.api.Test; + +import java.time.Clock; +import java.time.Instant; +import java.time.ZoneId; + +import static org.assertj.core.api.Assertions.assertThat; + +public class InstantWithJMockUnitTest { + + @Test + public void givenInstantWithJMock_whenNow_thenGetFixedInstant() { + String instantExpected = "2014-12-21T10:15:30Z"; + Clock clock = Clock.fixed(Instant.parse(instantExpected), ZoneId.of("UTC")); + new MockUp() { + @Mock + public Instant now() { + return Instant.now(clock); + } + }; + + Instant now = Instant.now(); + + assertThat(now.toString()).isEqualTo(instantExpected); + } + + @Test + public void givenInstantWithExpectations_whenNow_thenGetFixedInstant() { + Clock clock = Clock.fixed(Instant.parse("2014-12-23T10:15:30.00Z"), ZoneId.of("UTC")); + Instant instantExpected = Instant.now(clock); + new Expectations(Instant.class) { + { + Instant.now(); + result = instantExpected; + } + }; + + Instant now = Instant.now(); + + assertThat(now).isEqualTo(instantExpected); + } +} diff --git a/core-java-8/src/test/java/com/baeldung/time/LocalDateTimeUnitTest.java b/core-java-8/src/test/java/com/baeldung/time/LocalDateTimeUnitTest.java new file mode 100644 index 0000000000..04c1a0b74e --- /dev/null +++ b/core-java-8/src/test/java/com/baeldung/time/LocalDateTimeUnitTest.java @@ -0,0 +1,43 @@ +package com.baeldung.time; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.powermock.core.classloader.annotations.PrepareForTest; +import org.powermock.modules.junit4.PowerMockRunner; + +import java.time.Clock; +import java.time.Instant; +import java.time.LocalDateTime; +import java.time.ZoneId; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.mockito.Mockito.when; +import static org.powermock.api.mockito.PowerMockito.mockStatic; + +@RunWith(PowerMockRunner.class) +@PrepareForTest({ LocalDateTime.class }) +public class LocalDateTimeUnitTest { + + @Test + public void givenLocalDateTimeMock_whenNow_thenGetFixedLocalDateTime() { + Clock clock = Clock.fixed(Instant.parse("2014-12-22T10:15:30.00Z"), ZoneId.of("UTC")); + LocalDateTime dateTime = LocalDateTime.now(clock); + mockStatic(LocalDateTime.class); + when(LocalDateTime.now()).thenReturn(dateTime); + String dateTimeExpected = "2014-12-22T10:15:30"; + + LocalDateTime now = LocalDateTime.now(); + + assertThat(now).isEqualTo(dateTimeExpected); + } + + @Test + public void givenFixedClock_whenNow_thenGetFixedLocalDateTime() { + Clock clock = Clock.fixed(Instant.parse("2014-12-22T10:15:30.00Z"), ZoneId.of("UTC")); + String dateTimeExpected = "2014-12-22T10:15:30"; + + LocalDateTime dateTime = LocalDateTime.now(clock); + + assertThat(dateTime).isEqualTo(dateTimeExpected); + } +} diff --git a/core-java-8/src/test/java/com/baeldung/time/LocalDateTimeWithJMockUnitTest.java b/core-java-8/src/test/java/com/baeldung/time/LocalDateTimeWithJMockUnitTest.java new file mode 100644 index 0000000000..13861dfd0b --- /dev/null +++ b/core-java-8/src/test/java/com/baeldung/time/LocalDateTimeWithJMockUnitTest.java @@ -0,0 +1,48 @@ +package com.baeldung.time; + +import mockit.Expectations; +import mockit.Mock; +import mockit.MockUp; +import org.junit.jupiter.api.Test; + +import java.time.Clock; +import java.time.Instant; +import java.time.LocalDateTime; +import java.time.ZoneId; + +import static org.assertj.core.api.Assertions.assertThat; + +public class LocalDateTimeWithJMockUnitTest { + + @Test + public void givenLocalDateTimeWithJMock_whenNow_thenGetFixedLocalDateTime() { + Clock clock = Clock.fixed(Instant.parse("2014-12-21T10:15:30.00Z"), ZoneId.of("UTC")); + new MockUp() { + @Mock + public LocalDateTime now() { + return LocalDateTime.now(clock); + } + }; + String dateTimeExpected = "2014-12-21T10:15:30"; + + LocalDateTime now = LocalDateTime.now(); + + assertThat(now).isEqualTo(dateTimeExpected); + } + + @Test + public void givenLocalDateTimeWithExpectations_whenNow_thenGetFixedLocalDateTime() { + Clock clock = Clock.fixed(Instant.parse("2014-12-23T10:15:30.00Z"), ZoneId.of("UTC")); + LocalDateTime dateTimeExpected = LocalDateTime.now(clock); + new Expectations(LocalDateTime.class) { + { + LocalDateTime.now(); + result = dateTimeExpected; + } + }; + + LocalDateTime now = LocalDateTime.now(); + + assertThat(now).isEqualTo(dateTimeExpected); + } +} diff --git a/core-java-9/README.md b/core-java-9/README.md index c96267dc95..224306db19 100644 --- a/core-java-9/README.md +++ b/core-java-9/README.md @@ -16,7 +16,7 @@ - [Java 9 Reactive Streams](http://www.baeldung.com/java-9-reactive-streams) - [Java 9 java.util.Objects Additions](http://www.baeldung.com/java-9-objects-new) - [Java 9 Variable Handles Demistyfied](http://www.baeldung.com/java-variable-handles) -- [Exploring the New HTTP Client in Java 9](http://www.baeldung.com/java-9-http-client) +- [Exploring the New HTTP Client in Java 9 and 11](http://www.baeldung.com/java-9-http-client) - [Method Handles in Java](http://www.baeldung.com/java-method-handles) - [Introduction to Chronicle Queue](http://www.baeldung.com/java-chronicle-queue) - [A Guide to Java 9 Modularity](http://www.baeldung.com/java-9-modularity) @@ -26,3 +26,6 @@ - [Initialize a HashMap in Java](https://www.baeldung.com/java-initialize-hashmap) - [Java 9 Platform Logging API](https://www.baeldung.com/java-9-logging-api) - [Guide to java.lang.Process API](https://www.baeldung.com/java-process-api) +- [Immutable Set in Java](https://www.baeldung.com/java-immutable-set) +- [Multi-Release Jar Files](https://www.baeldung.com/java-multi-release-jar) +- [Ahead of Time Compilation (AoT)](https://www.baeldung.com/ahead-of-time-compilation) diff --git a/core-java-9/compile-aot.sh b/core-java-9/compile-aot.sh new file mode 100755 index 0000000000..c3a39b0196 --- /dev/null +++ b/core-java-9/compile-aot.sh @@ -0,0 +1,5 @@ +#!/usr/bin/env bash +cd src/main/java +javac com/baeldung/java9/aot/JaotCompilation.java +jaotc --output jaotCompilation.so com/baeldung/java9/aot/JaotCompilation.class + diff --git a/core-java-9/run-aot.sh b/core-java-9/run-aot.sh new file mode 100755 index 0000000000..89fc616469 --- /dev/null +++ b/core-java-9/run-aot.sh @@ -0,0 +1,3 @@ +#!/usr/bin/env bash +cd src/main/java +java -XX:AOTLibrary=./jaotCompilation.so com/baeldung/java9/aot/JaotCompilation \ No newline at end of file diff --git a/core-java-9/src/main/java/com/baeldung/java9/aot/JaotCompilation.java b/core-java-9/src/main/java/com/baeldung/java9/aot/JaotCompilation.java new file mode 100644 index 0000000000..4d8a018d6b --- /dev/null +++ b/core-java-9/src/main/java/com/baeldung/java9/aot/JaotCompilation.java @@ -0,0 +1,12 @@ +package com.baeldung.java9.aot; + +public class JaotCompilation { + + public static void main(String[] argv) { + System.out.println(message()); + } + + public static String message() { + return "The JAOT compiler says 'Hello'"; + } +} \ No newline at end of file diff --git a/core-java-9/src/main/java/com/baeldung/java9/set/UnmodifiableSet.java b/core-java-9/src/main/java/com/baeldung/java9/set/UnmodifiableSet.java new file mode 100644 index 0000000000..7dbcd2a3a3 --- /dev/null +++ b/core-java-9/src/main/java/com/baeldung/java9/set/UnmodifiableSet.java @@ -0,0 +1,44 @@ +package com.baeldung.java9.set; + +import com.google.common.collect.ImmutableSet; + +import java.util.Collections; +import java.util.HashSet; +import java.util.Set; + +public class UnmodifiableSet { + + public static void main(String[] args) { + + Set set = new HashSet<>(); + set.add("Canada"); + set.add("USA"); + + coreJDK(set); + guavaOf(); + copyOf(set); + java9Of(); + } + + private static void java9Of() { + Set immutable = Set.of("Canada", "USA"); + System.out.println(immutable); + } + + private static void guavaOf() { + Set immutable = ImmutableSet.of("Canada", "USA"); + System.out.println(immutable); + } + + private static void copyOf(Set set) { + Set immutable = ImmutableSet.copyOf(set); + set.add("Costa Rica"); + System.out.println(immutable); + } + + private static void coreJDK(Set set) { + Set unmodifiableSet = Collections.unmodifiableSet(set); + set.add("Costa Rica"); + System.out.println(unmodifiableSet); + } +} diff --git a/core-java-9/src/main/java/com/baeldung/multireleaseapp/App.java b/core-java-9/src/main/java/com/baeldung/multireleaseapp/App.java new file mode 100644 index 0000000000..21bbcc01d4 --- /dev/null +++ b/core-java-9/src/main/java/com/baeldung/multireleaseapp/App.java @@ -0,0 +1,16 @@ +package com.baeldung.multireleaseapp; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class App { + + private static final Logger logger = LoggerFactory.getLogger(App.class); + + public static void main(String[] args) throws Exception { + String dateToCheck = args[0]; + boolean isLeapYear = DateHelper.checkIfLeapYear(dateToCheck); + logger.info("Date given " + dateToCheck + " is leap year: " + isLeapYear); + } + +} diff --git a/core-java-9/src/main/java/com/baeldung/multireleaseapp/DateHelper.java b/core-java-9/src/main/java/com/baeldung/multireleaseapp/DateHelper.java new file mode 100644 index 0000000000..4d943db30b --- /dev/null +++ b/core-java-9/src/main/java/com/baeldung/multireleaseapp/DateHelper.java @@ -0,0 +1,22 @@ +package com.baeldung.multireleaseapp; + +import java.text.SimpleDateFormat; +import java.util.Calendar; +import java.util.GregorianCalendar; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class DateHelper { + + private static final Logger logger = LoggerFactory.getLogger(DateHelper.class); + + public static boolean checkIfLeapYear(String dateStr) throws Exception { + logger.info("Checking for leap year using Java 1 calendar API"); + Calendar cal = Calendar.getInstance(); + cal.setTime(new SimpleDateFormat("yyyy-MM-dd").parse(dateStr)); + int year = cal.get(Calendar.YEAR); + return (new GregorianCalendar()).isLeapYear(year); + } + +} diff --git a/core-java-9/src/main/java9/com/baeldung/multireleaseapp/DateHelper.java b/core-java-9/src/main/java9/com/baeldung/multireleaseapp/DateHelper.java new file mode 100644 index 0000000000..35fb0ada1e --- /dev/null +++ b/core-java-9/src/main/java9/com/baeldung/multireleaseapp/DateHelper.java @@ -0,0 +1,18 @@ +package com.baeldung.multireleaseapp; + +import java.time.LocalDate; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class DateHelper { + + private static final Logger logger = LoggerFactory.getLogger(DateHelper.class); + + public static boolean checkIfLeapYear(String dateStr) throws Exception { + logger.info("Checking for leap year using Java 9 Date Api"); + return LocalDate.parse(dateStr) + .isLeapYear(); + } + +} diff --git a/core-java-9/src/test/java/com/baeldung/java9/SetExamplesUnitTest.java b/core-java-9/src/test/java/com/baeldung/java9/SetExamplesUnitTest.java index 9e7e8e6e4b..28e71affcc 100644 --- a/core-java-9/src/test/java/com/baeldung/java9/SetExamplesUnitTest.java +++ b/core-java-9/src/test/java/com/baeldung/java9/SetExamplesUnitTest.java @@ -1,5 +1,7 @@ package com.baeldung.java9; +import java.util.Collections; +import java.util.HashSet; import java.util.Set; import org.junit.Test; @@ -23,4 +25,14 @@ public class SetExamplesUnitTest { Set intSet = Set.of(intArray); assertEquals(intSet.size(), intArray.length); } + + @Test(expected = UnsupportedOperationException.class) + public void testUnmodifiableSet() { + Set set = new HashSet<>(); + set.add("Canada"); + set.add("USA"); + + Set unmodifiableSet = Collections.unmodifiableSet(set); + unmodifiableSet.add("Costa Rica"); + } } diff --git a/core-java-9/src/test/java/com/baeldung/processbuilder/ProcessBuilderUnitTest.java b/core-java-9/src/test/java/com/baeldung/processbuilder/ProcessBuilderUnitTest.java new file mode 100644 index 0000000000..0458383e99 --- /dev/null +++ b/core-java-9/src/test/java/com/baeldung/processbuilder/ProcessBuilderUnitTest.java @@ -0,0 +1,182 @@ +package com.baeldung.processbuilder; + +import static org.hamcrest.Matchers.containsString; +import static org.hamcrest.Matchers.empty; +import static org.hamcrest.Matchers.hasItem; +import static org.hamcrest.Matchers.hasItems; +import static org.hamcrest.Matchers.is; +import static org.hamcrest.Matchers.not; +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertThat; + +import java.io.BufferedReader; +import java.io.File; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.lang.ProcessBuilder.Redirect; +import java.nio.file.Files; +import java.util.Arrays; +import java.util.List; +import java.util.Map; +import java.util.concurrent.ExecutionException; +import java.util.stream.Collectors; + +import org.junit.Rule; +import org.junit.Test; +import org.junit.rules.TemporaryFolder; + +public class ProcessBuilderUnitTest { + + @Rule + public TemporaryFolder tempFolder = new TemporaryFolder(); + + @Test + public void givenProcessBuilder_whenInvokeStart_thenSuccess() throws IOException, InterruptedException, ExecutionException { + ProcessBuilder processBuilder = new ProcessBuilder("java", "-version"); + processBuilder.redirectErrorStream(true); + + Process process = processBuilder.start(); + + List results = readOutput(process.getInputStream()); + assertThat("Results should not be empty", results, is(not(empty()))); + assertThat("Results should contain java version: ", results, hasItem(containsString("java version"))); + + int exitCode = process.waitFor(); + assertEquals("No errors should be detected", 0, exitCode); + } + + @Test + public void givenProcessBuilder_whenModifyEnvironment_thenSuccess() throws IOException, InterruptedException { + ProcessBuilder processBuilder = new ProcessBuilder(); + Map environment = processBuilder.environment(); + environment.forEach((key, value) -> System.out.println(key + value)); + + environment.put("GREETING", "Hola Mundo"); + + List command = getGreetingCommand(); + processBuilder.command(command); + Process process = processBuilder.start(); + + List results = readOutput(process.getInputStream()); + assertThat("Results should not be empty", results, is(not(empty()))); + assertThat("Results should contain a greeting ", results, hasItem(containsString("Hola Mundo"))); + + int exitCode = process.waitFor(); + assertEquals("No errors should be detected", 0, exitCode); + } + + @Test + public void givenProcessBuilder_whenModifyWorkingDir_thenSuccess() throws IOException, InterruptedException { + List command = getDirectoryListingCommand(); + ProcessBuilder processBuilder = new ProcessBuilder(command); + + processBuilder.directory(new File("src")); + Process process = processBuilder.start(); + + List results = readOutput(process.getInputStream()); + assertThat("Results should not be empty", results, is(not(empty()))); + assertThat("Results should contain directory listing: ", results, hasItems(containsString("main"), containsString("test"))); + + int exitCode = process.waitFor(); + assertEquals("No errors should be detected", 0, exitCode); + } + + @Test + public void givenProcessBuilder_whenRedirectStandardOutput_thenSuccessWriting() throws IOException, InterruptedException { + ProcessBuilder processBuilder = new ProcessBuilder("java", "-version"); + + processBuilder.redirectErrorStream(true); + File log = tempFolder.newFile("java-version.log"); + processBuilder.redirectOutput(log); + + Process process = processBuilder.start(); + + assertEquals("If redirected, should be -1 ", -1, process.getInputStream() + .read()); + int exitCode = process.waitFor(); + assertEquals("No errors should be detected", 0, exitCode); + + List lines = Files.lines(log.toPath()) + .collect(Collectors.toList()); + + assertThat("Results should not be empty", lines, is(not(empty()))); + assertThat("Results should contain java version: ", lines, hasItem(containsString("java version"))); + } + + @Test + public void givenProcessBuilder_whenRedirectStandardOutput_thenSuccessAppending() throws IOException, InterruptedException { + ProcessBuilder processBuilder = new ProcessBuilder("java", "-version"); + + File log = tempFolder.newFile("java-version-append.log"); + processBuilder.redirectErrorStream(true); + processBuilder.redirectOutput(Redirect.appendTo(log)); + + Process process = processBuilder.start(); + + assertEquals("If redirected output, should be -1 ", -1, process.getInputStream() + .read()); + + int exitCode = process.waitFor(); + assertEquals("No errors should be detected", 0, exitCode); + + List lines = Files.lines(log.toPath()) + .collect(Collectors.toList()); + + assertThat("Results should not be empty", lines, is(not(empty()))); + assertThat("Results should contain java version: ", lines, hasItem(containsString("java version"))); + } + + @Test + public void givenProcessBuilder_whenStartingPipeline_thenSuccess() throws IOException, InterruptedException { + if (!isWindows()) { + List builders = Arrays.asList( + new ProcessBuilder("find", "src", "-name", "*.java", "-type", "f"), + new ProcessBuilder("wc", "-l")); + + List processes = ProcessBuilder.startPipeline(builders); + Process last = processes.get(processes.size() - 1); + + List output = readOutput(last.getInputStream()); + assertThat("Results should not be empty", output, is(not(empty()))); + } + } + + @Test + public void givenProcessBuilder_whenInheritIO_thenSuccess() throws IOException, InterruptedException { + List command = getEchoCommand(); + ProcessBuilder processBuilder = new ProcessBuilder(command); + + processBuilder.inheritIO(); + Process process = processBuilder.start(); + + int exitCode = process.waitFor(); + assertEquals("No errors should be detected", 0, exitCode); + } + + private List readOutput(InputStream inputStream) throws IOException { + try (BufferedReader output = new BufferedReader(new InputStreamReader(inputStream))) { + return output.lines() + .collect(Collectors.toList()); + } + } + + private List getDirectoryListingCommand() { + return isWindows() ? Arrays.asList("cmd.exe", "/c", "dir") : Arrays.asList("/bin/sh", "-c", "ls"); + } + + private List getGreetingCommand() { + return isWindows() ? Arrays.asList("cmd.exe", "/c", "echo %GREETING%") : Arrays.asList("/bin/bash", "-c", "echo $GREETING"); + } + + private List getEchoCommand() { + return isWindows() ? Arrays.asList("cmd.exe", "/c", "echo hello") : Arrays.asList("/bin/sh", "-c", "echo hello"); + } + + private boolean isWindows() { + return System.getProperty("os.name") + .toLowerCase() + .startsWith("windows"); + } + +} diff --git a/core-java-arrays/README.md b/core-java-arrays/README.md index 56110585ac..ed8221ebe4 100644 --- a/core-java-arrays/README.md +++ b/core-java-arrays/README.md @@ -13,3 +13,5 @@ - [How to Invert an Array in Java](http://www.baeldung.com/java-invert-array) - [Array Operations in Java](http://www.baeldung.com/java-common-array-operations) - [Intersection Between two Integer Arrays](https://www.baeldung.com/java-array-intersection) +- [Sorting Arrays in Java](https://www.baeldung.com/java-sorting-arrays) +- [Convert a Float to a Byte Array in Java](https://www.baeldung.com/java-convert-float-to-byte-array) diff --git a/core-java-arrays/pom.xml b/core-java-arrays/pom.xml index d2d0453e87..ac9f7d08f0 100644 --- a/core-java-arrays/pom.xml +++ b/core-java-arrays/pom.xml @@ -4,8 +4,8 @@ com.baeldung core-java-arrays 0.1.0-SNAPSHOT - jar core-java-arrays + jar com.baeldung @@ -390,7 +390,6 @@ 3.8.1 - 1.16.12 1.19 1.19 diff --git a/core-java-arrays/src/main/java/com/baeldung/array/conversions/FloatToByteArray.java b/core-java-arrays/src/main/java/com/baeldung/array/conversions/FloatToByteArray.java new file mode 100644 index 0000000000..b831e436a5 --- /dev/null +++ b/core-java-arrays/src/main/java/com/baeldung/array/conversions/FloatToByteArray.java @@ -0,0 +1,44 @@ +package com.baeldung.array.conversions; + +import java.nio.ByteBuffer; + +public class FloatToByteArray { + + /** + * convert float into byte array using Float API floatToIntBits + * @param value + * @return byte[] + */ + public static byte[] floatToByteArray(float value) { + int intBits = Float.floatToIntBits(value); + return new byte[] {(byte) (intBits >> 24), (byte) (intBits >> 16), (byte) (intBits >> 8), (byte) (intBits) }; + } + + /** + * convert byte array into float using Float API intBitsToFloat + * @param bytes + * @return float + */ + public static float byteArrayToFloat(byte[] bytes) { + int intBits = bytes[0] << 24 | (bytes[1] & 0xFF) << 16 | (bytes[2] & 0xFF) << 8 | (bytes[3] & 0xFF); + return Float.intBitsToFloat(intBits); + } + + /** + * convert float into byte array using ByteBuffer + * @param value + * @return byte[] + */ + public static byte[] floatToByteArrayWithByteBuffer(float value) { + return ByteBuffer.allocate(4).putFloat(value).array(); + } + + /** + * convert byte array into float using ByteBuffer + * @param bytes + * @return float + */ + public static float byteArrayToFloatWithByteBuffer(byte[] bytes) { + return ByteBuffer.wrap(bytes).getFloat(); + } +} diff --git a/core-java-arrays/src/main/java/com/baeldung/arrays/ParallelPrefixBenchmark.java b/core-java-arrays/src/main/java/com/baeldung/arrays/ParallelPrefixBenchmark.java new file mode 100644 index 0000000000..ac54aea402 --- /dev/null +++ b/core-java-arrays/src/main/java/com/baeldung/arrays/ParallelPrefixBenchmark.java @@ -0,0 +1,44 @@ +package com.baeldung.arrays; + +import org.openjdk.jmh.annotations.*; +import org.openjdk.jmh.infra.Blackhole; + +import java.util.Arrays; + +public class ParallelPrefixBenchmark { + private static final int ARRAY_SIZE = 200_000_000; + + @State(Scope.Benchmark) + public static class BigArray { + + int[] data; + + @Setup(Level.Iteration) + public void prepare() { + data = new int[ARRAY_SIZE]; + for(int j = 0; j< ARRAY_SIZE; j++) { + data[j] = 1; + } + } + + @TearDown(Level.Iteration) + public void destroy() { + data = null; + } + + } + + @Benchmark + public void largeArrayLoopSum(BigArray bigArray, Blackhole blackhole) { + for (int i = 0; i < ARRAY_SIZE - 1; i++) { + bigArray.data[i + 1] += bigArray.data[i]; + } + blackhole.consume(bigArray.data); + } + + @Benchmark + public void largeArrayParallelPrefixSum(BigArray bigArray, Blackhole blackhole) { + Arrays.parallelPrefix(bigArray.data, (left, right) -> left + right); + blackhole.consume(bigArray.data); + } +} diff --git a/core-java-arrays/src/test/java/com/baeldung/array/conversions/FloatToByteArrayUnitTest.java b/core-java-arrays/src/test/java/com/baeldung/array/conversions/FloatToByteArrayUnitTest.java new file mode 100644 index 0000000000..a2cd273f21 --- /dev/null +++ b/core-java-arrays/src/test/java/com/baeldung/array/conversions/FloatToByteArrayUnitTest.java @@ -0,0 +1,46 @@ +package com.baeldung.array.conversions; + +import static com.baeldung.array.conversions.FloatToByteArray.byteArrayToFloat; +import static com.baeldung.array.conversions.FloatToByteArray.byteArrayToFloatWithByteBuffer; +import static com.baeldung.array.conversions.FloatToByteArray.floatToByteArray; +import static com.baeldung.array.conversions.FloatToByteArray.floatToByteArrayWithByteBuffer; +import static org.junit.Assert.assertArrayEquals; +import static org.junit.Assert.assertEquals; +import org.junit.Test; + +public class FloatToByteArrayUnitTest { + + @Test + public void givenAFloat_thenConvertToByteArray() { + assertArrayEquals(new byte[] { 63, -116, -52, -51}, floatToByteArray(1.1f)); + } + + @Test + public void givenAByteArray_thenConvertToFloat() { + assertEquals(1.1f, byteArrayToFloat(new byte[] { 63, -116, -52, -51}), 0); + } + + @Test + public void givenAFloat_thenConvertToByteArrayUsingByteBuffer() { + assertArrayEquals(new byte[] { 63, -116, -52, -51}, floatToByteArrayWithByteBuffer(1.1f)); + } + + @Test + public void givenAByteArray_thenConvertToFloatUsingByteBuffer() { + assertEquals(1.1f, byteArrayToFloatWithByteBuffer(new byte[] { 63, -116, -52, -51}), 0); + } + + @Test + public void givenAFloat_thenConvertToByteArray_thenConvertToFloat() { + float floatToConvert = 200.12f; + byte[] byteArray = floatToByteArray(floatToConvert); + assertEquals(200.12f, byteArrayToFloat(byteArray), 0); + } + + @Test + public void givenAFloat_thenConvertToByteArrayWithByteBuffer_thenConvertToFloatWithByteBuffer() { + float floatToConvert = 30100.42f; + byte[] byteArray = floatToByteArrayWithByteBuffer(floatToConvert); + assertEquals(30100.42f, byteArrayToFloatWithByteBuffer(byteArray), 0); + } +} diff --git a/core-java-arrays/src/test/java/com/baeldung/arrays/ArraysUnitTest.java b/core-java-arrays/src/test/java/com/baeldung/arrays/ArraysUnitTest.java index 9e6d3d6131..b6801612b9 100644 --- a/core-java-arrays/src/test/java/com/baeldung/arrays/ArraysUnitTest.java +++ b/core-java-arrays/src/test/java/com/baeldung/arrays/ArraysUnitTest.java @@ -1,5 +1,7 @@ package com.baeldung.arrays; +import static org.hamcrest.MatcherAssert.assertThat; +import static org.hamcrest.Matchers.is; import static org.junit.Assert.*; import org.junit.Before; @@ -9,6 +11,7 @@ import org.junit.rules.ExpectedException; import java.util.Arrays; import java.util.List; +import java.util.Random; import java.util.stream.Stream; public class ArraysUnitTest { @@ -150,4 +153,52 @@ public class ArraysUnitTest { exception.expect(UnsupportedOperationException.class); rets.add("the"); } + + @Test + public void givenIntArray_whenPrefixAdd_thenAllAccumulated() { + int[] arri = new int[] { 1, 2, 3, 4}; + Arrays.parallelPrefix(arri, (left, right) -> left + right); + assertThat(arri, is(new int[] { 1, 3, 6, 10})); + } + + @Test + public void givenStringArray_whenPrefixConcat_thenAllMerged() { + String[] arrs = new String[] { "1", "2", "3" }; + Arrays.parallelPrefix(arrs, (left, right) -> left + right); + assertThat(arrs, is(new String[] { "1", "12", "123" })); + } + + @Test + public void whenPrefixAddWithRange_thenRangeAdded() { + int[] arri = new int[] { 1, 2, 3, 4, 5 }; + Arrays.parallelPrefix(arri, 1, 4, (left, right) -> left + right); + assertThat(arri, is(new int[] { 1, 2, 5, 9, 5 })); + } + + @Test + public void whenPrefixNonAssociative_thenError() { + boolean consistent = true; + Random r = new Random(); + for (int k = 0; k < 100_000; k++) { + int[] arrA = r.ints(100, 1, 5).toArray(); + int[] arrB = Arrays.copyOf(arrA, arrA.length); + + Arrays.parallelPrefix(arrA, this::nonassociativeFunc); + + for (int i = 1; i < arrB.length; i++) { + arrB[i] = nonassociativeFunc(arrB[i - 1], arrB[i]); + } + consistent = Arrays.equals(arrA, arrB); + if(!consistent) break; + } + assertFalse(consistent); + } + + /** + * non-associative int binary operator + */ + private int nonassociativeFunc(int left, int right) { + return left + right*left; + } + } diff --git a/core-java-collections-list/README.md b/core-java-collections-list/README.md new file mode 100644 index 0000000000..bfe06581c0 --- /dev/null +++ b/core-java-collections-list/README.md @@ -0,0 +1,33 @@ +========= + +## Core Java Collections List Cookbooks and Examples + +### Relevant Articles: +- [Immutable ArrayList in Java](http://www.baeldung.com/java-immutable-list) +- [Guide to the Java ArrayList](http://www.baeldung.com/java-arraylist) +- [Java – Get Random Item/Element From a List](http://www.baeldung.com/java-random-list-element) +- [Removing all nulls from a List in Java](http://www.baeldung.com/java-remove-nulls-from-list) +- [Removing all duplicates from a List in Java](http://www.baeldung.com/java-remove-duplicates-from-list) +- [How to TDD a List Implementation in Java](http://www.baeldung.com/java-test-driven-list) +- [Iterating Backward Through a List](http://www.baeldung.com/java-list-iterate-backwards) +- [Add Multiple Items to an Java ArrayList](http://www.baeldung.com/java-add-items-array-list) +- [Remove the First Element from a List](http://www.baeldung.com/java-remove-first-element-from-list) +- [How to Find an Element in a List with Java](http://www.baeldung.com/find-list-element-java) +- [Copy a List to Another List in Java](http://www.baeldung.com/java-copy-list-to-another) +- [Finding Max/Min of a List or Collection](http://www.baeldung.com/java-collection-min-max) +- [Collections.emptyList() vs. New List Instance](https://www.baeldung.com/java-collections-emptylist-new-list) +- [Remove All Occurrences of a Specific Value from a List](https://www.baeldung.com/java-remove-value-from-list) +- [Check If Two Lists are Equal in Java](http://www.baeldung.com/java-test-a-list-for-ordinality-and-equality) +- [Java 8 Streams: Find Items From One List Based On Values From Another List](https://www.baeldung.com/java-streams-find-list-items) +- [A Guide to the Java LinkedList](http://www.baeldung.com/java-linkedlist) +- [Java List UnsupportedOperationException](http://www.baeldung.com/java-list-unsupported-operation-exception) +- [Java List Initialization in One Line](https://www.baeldung.com/java-init-list-one-line) +- [Ways to Iterate Over a List in Java](https://www.baeldung.com/java-iterate-list) +- [ClassCastException: Arrays$ArrayList cannot be cast to ArrayList](https://www.baeldung.com/java-classcastexception-arrays-arraylist) +- [Flattening Nested Collections in Java](http://www.baeldung.com/java-flatten-nested-collections) +- [Intersection of Two Lists in Java](https://www.baeldung.com/java-lists-intersection) +- [Multi Dimensional ArrayList in Java](https://www.baeldung.com/java-multi-dimensional-arraylist) +- [Determine If All Elements Are the Same in a Java List](https://www.baeldung.com/java-list-all-equal) +- [List of Primitive Integer Values in Java](https://www.baeldung.com/java-list-primitive-int) +- [Performance Comparison of Primitive Lists in Java](https://www.baeldung.com/java-list-primitive-performance) +- [Filtering a Java Collection by a List](https://www.baeldung.com/java-filter-collection-by-list) diff --git a/core-java-collections-list/pom.xml b/core-java-collections-list/pom.xml new file mode 100644 index 0000000000..217278bdf6 --- /dev/null +++ b/core-java-collections-list/pom.xml @@ -0,0 +1,77 @@ + + 4.0.0 + core-java-collections-list + 0.1.0-SNAPSHOT + core-java-collections-list + jar + + + com.baeldung + parent-java + 0.0.1-SNAPSHOT + ../parent-java + + + + + org.apache.commons + commons-collections4 + ${commons-collections4.version} + + + org.apache.commons + commons-lang3 + ${commons-lang3.version} + + + org.assertj + assertj-core + ${assertj.version} + test + + + org.projectlombok + lombok + ${lombok.version} + provided + + + + net.sf.trove4j + trove4j + ${trove4j.version} + + + it.unimi.dsi + fastutil + ${fastutil.version} + + + colt + colt + ${colt.version} + + + + org.openjdk.jmh + jmh-core + ${jmh-core.version} + + + org.openjdk.jmh + jmh-generator-annprocess + ${jmh-core.version} + + + + + 4.1 + 3.8.1 + 1.7.0 + 3.11.1 + 3.0.2 + 8.1.0 + 1.2.0 + + diff --git a/core-java-collections-list/src/main/java/com/baeldung/allequalelements/VerifyAllEqualListElements.java b/core-java-collections-list/src/main/java/com/baeldung/allequalelements/VerifyAllEqualListElements.java new file mode 100644 index 0000000000..936e89893c --- /dev/null +++ b/core-java-collections-list/src/main/java/com/baeldung/allequalelements/VerifyAllEqualListElements.java @@ -0,0 +1,55 @@ +package com.baeldung.allequalelements; + +import java.util.Collections; +import java.util.HashSet; +import java.util.List; +import org.apache.commons.collections4.IterableUtils; +import com.google.common.base.Predicate; +import com.google.common.collect.Iterables; + +public class VerifyAllEqualListElements { + + public boolean verifyAllEqualUsingALoop(List list) { + for (String s : list) { + if (!s.equals(list.get(0))) + return false; + } + return true; + } + + public boolean verifyAllEqualUsingHashSet(List list) { + return new HashSet(list).size() <= 1; + } + + public boolean verifyAllEqualUsingFrequency(List list) { + return list.isEmpty() || Collections.frequency(list, list.get(0)) == list.size(); + } + + public boolean verifyAllEqualUsingStream(List list) { + return list.stream() + .distinct() + .count() <= 1; + } + + public boolean verifyAllEqualAnotherUsingStream(List list) { + return list.isEmpty() || list.stream() + .allMatch(list.get(0)::equals); + } + + public boolean verifyAllEqualUsingGuava(List list) { + return Iterables.all(list, new Predicate() { + public boolean apply(String s) { + return s.equals(list.get(0)); + } + }); + } + + public boolean verifyAllEqualUsingApacheCommon(List list) { + return IterableUtils.matchesAll(list, new org.apache.commons.collections4.Predicate() { + public boolean evaluate(String s) { + return s.equals(list.get(0)); + } + }); + } + +} \ No newline at end of file diff --git a/core-java-collections/src/main/java/com/baeldung/classcastexception/ClassCastException.java b/core-java-collections-list/src/main/java/com/baeldung/classcastexception/ClassCastException.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/classcastexception/ClassCastException.java rename to core-java-collections-list/src/main/java/com/baeldung/classcastexception/ClassCastException.java diff --git a/core-java-collections-list/src/main/java/com/baeldung/collection/filtering/Employee.java b/core-java-collections-list/src/main/java/com/baeldung/collection/filtering/Employee.java new file mode 100644 index 0000000000..2aa267b4dc --- /dev/null +++ b/core-java-collections-list/src/main/java/com/baeldung/collection/filtering/Employee.java @@ -0,0 +1,44 @@ +package com.baeldung.collection.filtering; + +/** + * Java 8 Collection Filtering by List of Values base class. + * + * @author Rodolfo Felipe + */ +public class Employee { + + private Integer employeeNumber; + private String name; + private Integer departmentId; + + public Employee(Integer employeeNumber, String name, Integer departmentId) { + this.employeeNumber = employeeNumber; + this.name = name; + this.departmentId = departmentId; + } + + public Integer getEmployeeNumber() { + return employeeNumber; + } + + public void setEmployeeNumber(Integer employeeNumber) { + this.employeeNumber = employeeNumber; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public Integer getDepartmentId() { + return departmentId; + } + + public void setDepartmentId(Integer departmentId) { + this.departmentId = departmentId; + } + +} diff --git a/core-java-collections/src/main/java/com/baeldung/findanelement/Customer.java b/core-java-collections-list/src/main/java/com/baeldung/findanelement/Customer.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/findanelement/Customer.java rename to core-java-collections-list/src/main/java/com/baeldung/findanelement/Customer.java diff --git a/core-java-collections/src/main/java/com/baeldung/findanelement/FindACustomerInGivenList.java b/core-java-collections-list/src/main/java/com/baeldung/findanelement/FindACustomerInGivenList.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/findanelement/FindACustomerInGivenList.java rename to core-java-collections-list/src/main/java/com/baeldung/findanelement/FindACustomerInGivenList.java diff --git a/core-java-collections/src/main/java/com/baeldung/java/list/CopyListService.java b/core-java-collections-list/src/main/java/com/baeldung/java/list/CopyListService.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/java/list/CopyListService.java rename to core-java-collections-list/src/main/java/com/baeldung/java/list/CopyListService.java diff --git a/core-java-collections/src/main/java/com/baeldung/java/list/CustomList.java b/core-java-collections-list/src/main/java/com/baeldung/java/list/CustomList.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/java/list/CustomList.java rename to core-java-collections-list/src/main/java/com/baeldung/java/list/CustomList.java diff --git a/core-java-collections/src/main/java/com/baeldung/java/list/Flower.java b/core-java-collections-list/src/main/java/com/baeldung/java/list/Flower.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/java/list/Flower.java rename to core-java-collections-list/src/main/java/com/baeldung/java/list/Flower.java diff --git a/core-java-collections/src/main/java/com/baeldung/java/list/ReverseIterator.java b/core-java-collections-list/src/main/java/com/baeldung/java/list/ReverseIterator.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/java/list/ReverseIterator.java rename to core-java-collections-list/src/main/java/com/baeldung/java/list/ReverseIterator.java diff --git a/core-java-collections/src/main/java/com/baeldung/java/list/WaysToIterate.java b/core-java-collections-list/src/main/java/com/baeldung/java/list/WaysToIterate.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/java/list/WaysToIterate.java rename to core-java-collections-list/src/main/java/com/baeldung/java/list/WaysToIterate.java diff --git a/core-java-collections/src/main/java/com/baeldung/java_8_features/Car.java b/core-java-collections-list/src/main/java/com/baeldung/java_8_features/Car.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/java_8_features/Car.java rename to core-java-collections-list/src/main/java/com/baeldung/java_8_features/Car.java diff --git a/core-java-collections/src/main/java/com/baeldung/java_8_features/Person.java b/core-java-collections-list/src/main/java/com/baeldung/java_8_features/Person.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/java_8_features/Person.java rename to core-java-collections-list/src/main/java/com/baeldung/java_8_features/Person.java diff --git a/core-java-8/src/main/java/com/baeldung/list/Flower.java b/core-java-collections-list/src/main/java/com/baeldung/list/Flower.java similarity index 100% rename from core-java-8/src/main/java/com/baeldung/list/Flower.java rename to core-java-collections-list/src/main/java/com/baeldung/list/Flower.java diff --git a/core-java-collections/src/main/java/com/baeldung/list/listoflist/Pen.java b/core-java-collections-list/src/main/java/com/baeldung/list/listoflist/Pen.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/list/listoflist/Pen.java rename to core-java-collections-list/src/main/java/com/baeldung/list/listoflist/Pen.java diff --git a/core-java-collections/src/main/java/com/baeldung/list/listoflist/Pencil.java b/core-java-collections-list/src/main/java/com/baeldung/list/listoflist/Pencil.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/list/listoflist/Pencil.java rename to core-java-collections-list/src/main/java/com/baeldung/list/listoflist/Pencil.java diff --git a/core-java-collections/src/main/java/com/baeldung/list/listoflist/Rubber.java b/core-java-collections-list/src/main/java/com/baeldung/list/listoflist/Rubber.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/list/listoflist/Rubber.java rename to core-java-collections-list/src/main/java/com/baeldung/list/listoflist/Rubber.java diff --git a/core-java-collections/src/main/java/com/baeldung/list/listoflist/Stationery.java b/core-java-collections-list/src/main/java/com/baeldung/list/listoflist/Stationery.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/list/listoflist/Stationery.java rename to core-java-collections-list/src/main/java/com/baeldung/list/listoflist/Stationery.java diff --git a/core-java-collections/src/main/java/com/baeldung/list/multidimensional/ArrayListOfArrayList.java b/core-java-collections-list/src/main/java/com/baeldung/list/multidimensional/ArrayListOfArrayList.java similarity index 51% rename from core-java-collections/src/main/java/com/baeldung/list/multidimensional/ArrayListOfArrayList.java rename to core-java-collections-list/src/main/java/com/baeldung/list/multidimensional/ArrayListOfArrayList.java index 72045d6761..e11f8e8ba0 100644 --- a/core-java-collections/src/main/java/com/baeldung/list/multidimensional/ArrayListOfArrayList.java +++ b/core-java-collections-list/src/main/java/com/baeldung/list/multidimensional/ArrayListOfArrayList.java @@ -6,30 +6,29 @@ public class ArrayListOfArrayList { public static void main(String args[]) { - int vertex = 5; - ArrayList> graph = new ArrayList<>(vertex); + int vertexCount = 3; + ArrayList> graph = new ArrayList<>(vertexCount); //Initializing each element of ArrayList with ArrayList - for(int i=0; i< vertex; i++) { + for(int i = 0; i< vertexCount; i++) { graph.add(new ArrayList()); } //We can add any number of columns to each row graph.get(0).add(1); - graph.get(0).add(5); - graph.get(1).add(0); graph.get(1).add(2); + graph.get(2).add(0); + graph.get(1).add(0); graph.get(2).add(1); - graph.get(2).add(3); - graph.get(3).add(2); - graph.get(3).add(4); - graph.get(4).add(3); - graph.get(4).add(5); + graph.get(0).add(2); - //Printing all the edges - for(int i=0; i > > space = new ArrayList<>(x_axis_length); //Initializing each element of ArrayList with ArrayList< ArrayList > - for(int i=0; i< x_axis_length; i++) { + for(int i = 0; i < x_axis_length; i++) { space.add(new ArrayList< ArrayList >(y_axis_length)); - for(int j =0; j< y_axis_length; j++) { + for(int j = 0; j < y_axis_length; j++) { space.get(i).add(new ArrayList(z_axis_length)); } } //Set Red color for points (0,0,0) and (0,0,1) - space.get(0).get(0).add("Red"); - space.get(0).get(0).add("Red"); + space.get(0).get(0).add(0,"Red"); + space.get(0).get(0).add(1,"Red"); //Set Blue color for points (0,1,0) and (0,1,1) - space.get(0).get(1).add("Blue"); - space.get(0).get(1).add("Blue"); + space.get(0).get(1).add(0,"Blue"); + space.get(0).get(1).add(1,"Blue"); //Set Green color for points (1,0,0) and (1,0,1) - space.get(1).get(0).add("Green"); - space.get(1).get(0).add("Green"); + space.get(1).get(0).add(0,"Green"); + space.get(1).get(0).add(1,"Green"); //Set Yellow color for points (1,1,0) and (1,1,1) - space.get(1).get(1).add("Yellow"); - space.get(1).get(1).add("Yellow"); + space.get(1).get(1).add(0,"Yellow"); + space.get(1).get(1).add(1,"Yellow"); //Printing colors for all the points - for(int i=0; i i > 0).average(); + } + + + private static void guavaPrimitives(int[] primitives) { + + ImmutableIntArray immutableIntArray = ImmutableIntArray.builder().addAll(primitives).build(); + System.out.println(immutableIntArray); + } +} diff --git a/core-java-collections-list/src/main/java/com/baeldung/list/primitive/PrimitivesListPerformance.java b/core-java-collections-list/src/main/java/com/baeldung/list/primitive/PrimitivesListPerformance.java new file mode 100644 index 0000000000..bd37e5e74e --- /dev/null +++ b/core-java-collections-list/src/main/java/com/baeldung/list/primitive/PrimitivesListPerformance.java @@ -0,0 +1,96 @@ +package com.baeldung.list.primitive; + +import it.unimi.dsi.fastutil.ints.IntArrayList; +import gnu.trove.list.array.TIntArrayList; +import org.openjdk.jmh.annotations.*; +import org.openjdk.jmh.runner.Runner; +import org.openjdk.jmh.runner.options.Options; +import org.openjdk.jmh.runner.options.OptionsBuilder; + +import java.util.ArrayList; +import java.util.List; +import java.util.concurrent.TimeUnit; + +@BenchmarkMode(Mode.SingleShotTime) +@OutputTimeUnit(TimeUnit.MILLISECONDS) +@Measurement(batchSize = 100000, iterations = 10) +@Warmup(batchSize = 100000, iterations = 10) +@State(Scope.Thread) +public class PrimitivesListPerformance { + + private List arrayList = new ArrayList<>(); + private TIntArrayList tList = new TIntArrayList(); + private cern.colt.list.IntArrayList coltList = new cern.colt.list.IntArrayList(); + private IntArrayList fastUtilList = new IntArrayList(); + + private int getValue = 10; + + @Benchmark + public boolean addArrayList() { + return arrayList.add(getValue); + } + + @Benchmark + public boolean addTroveIntList() { + return tList.add(getValue); + } + + @Benchmark + public void addColtIntList() { + coltList.add(getValue); + } + + @Benchmark + public boolean addFastUtilIntList() { + return fastUtilList.add(getValue); + } + + @Benchmark + public int getArrayList() { + return arrayList.get(getValue); + } + + @Benchmark + public int getTroveIntList() { + return tList.get(getValue); + } + + @Benchmark + public int getColtIntList() { + return coltList.get(getValue); + } + + @Benchmark + public int getFastUtilIntList() { + return fastUtilList.getInt(getValue); + } + + @Benchmark + public boolean containsArrayList() { + return arrayList.contains(getValue); + } + + @Benchmark + public boolean containsTroveIntList() { + return tList.contains(getValue); + } + + @Benchmark + public boolean containsColtIntList() { + return coltList.contains(getValue); + } + + @Benchmark + public boolean containsFastUtilIntList() { + return fastUtilList.contains(getValue); + } + + public static void main(String[] args) throws Exception { + Options options = new OptionsBuilder() + .include(PrimitivesListPerformance.class.getSimpleName()).threads(1) + .forks(1).shouldFailOnError(true) + .shouldDoGC(true) + .jvmArgs("-server").build(); + new Runner(options).run(); + } +} diff --git a/core-java-collections/src/main/java/com/baeldung/list/removeall/RemoveAll.java b/core-java-collections-list/src/main/java/com/baeldung/list/removeall/RemoveAll.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/list/removeall/RemoveAll.java rename to core-java-collections-list/src/main/java/com/baeldung/list/removeall/RemoveAll.java diff --git a/core-java-collections-list/src/main/resources/logback.xml b/core-java-collections-list/src/main/resources/logback.xml new file mode 100644 index 0000000000..7d900d8ea8 --- /dev/null +++ b/core-java-collections-list/src/main/resources/logback.xml @@ -0,0 +1,13 @@ + + + + + %d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n + + + + + + + + \ No newline at end of file diff --git a/core-java-collections-list/src/test/java/com/baeldung/allequalelements/VerifyAllEqualListElementsUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/allequalelements/VerifyAllEqualListElementsUnitTest.java new file mode 100644 index 0000000000..698725591c --- /dev/null +++ b/core-java-collections-list/src/test/java/com/baeldung/allequalelements/VerifyAllEqualListElementsUnitTest.java @@ -0,0 +1,172 @@ +package com.baeldung.allequalelements; + +import org.junit.Test; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; +import static org.junit.Assert.assertFalse; +import static org.junit.jupiter.api.Assertions.assertTrue; + +public class VerifyAllEqualListElementsUnitTest { + + private static List notAllEqualList = new ArrayList<>(); + + private static List emptyList = new ArrayList<>(); + + private static List allEqualList = new ArrayList<>(); + + static { + notAllEqualList = Arrays.asList("Jack", "James", "Sam", "James"); + emptyList = Arrays.asList(); + allEqualList = Arrays.asList("Jack", "Jack", "Jack", "Jack"); + } + + private static VerifyAllEqualListElements verifyAllEqualListElements = new VerifyAllEqualListElements(); + + @Test + public void givenNotAllEqualList_whenUsingALoop_thenReturnFalse() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualUsingALoop(notAllEqualList); + + assertFalse(allEqual); + } + + @Test + public void givenEmptyList_whenUsingALoop_thenReturnTrue() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualUsingALoop(emptyList); + + assertTrue(allEqual); + } + + @Test + public void givenAllEqualList_whenUsingALoop_thenReturnTrue() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualUsingALoop(allEqualList); + + assertTrue(allEqual); + } + + @Test + public void givenNotAllEqualList_whenUsingHashSet_thenReturnFalse() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualUsingHashSet(notAllEqualList); + + assertFalse(allEqual); + } + + @Test + public void givenEmptyList_whenUsingHashSet_thenReturnTrue() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualUsingHashSet(emptyList); + + assertTrue(allEqual); + } + + @Test + public void givenAllEqualList_whenUsingHashSet_thenReturnTrue() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualUsingHashSet(allEqualList); + + assertTrue(allEqual); + } + + @Test + public void givenNotAllEqualList_whenUsingFrequency_thenReturnFalse() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualUsingFrequency(notAllEqualList); + + assertFalse(allEqual); + } + + @Test + public void givenEmptyList_whenUsingFrequency_thenReturnTrue() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualUsingFrequency(emptyList); + + assertTrue(allEqual); + } + + @Test + public void givenAllEqualList_whenUsingFrequency_thenReturnTrue() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualUsingFrequency(allEqualList); + + assertTrue(allEqual); + } + + @Test + public void givenNotAllEqualList_whenUsingStream_thenReturnFalse() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualUsingStream(notAllEqualList); + + assertFalse(allEqual); + } + + @Test + public void givenEmptyList_whenUsingStream_thenReturnTrue() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualUsingStream(emptyList); + + assertTrue(allEqual); + } + + @Test + public void givenAllEqualList_whenUsingStream_thenReturnTrue() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualUsingStream(allEqualList); + + assertTrue(allEqual); + } + + @Test + public void givenNotAllEqualList_whenUsingAnotherStream_thenReturnFalse() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualAnotherUsingStream(notAllEqualList); + + assertFalse(allEqual); + } + + @Test + public void givenEmptyList_whenUsingAnotherStream_thenReturnTrue() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualAnotherUsingStream(emptyList); + + assertTrue(allEqual); + } + + @Test + public void givenAllEqualList_whenUsingAnotherStream_thenReturnTrue() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualAnotherUsingStream(allEqualList); + + assertTrue(allEqual); + } + + @Test + public void givenNotAllEqualList_whenUsingGuava_thenReturnFalse() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualUsingGuava(notAllEqualList); + + assertFalse(allEqual); + } + + @Test + public void givenEmptyList_whenUsingGuava_thenReturnTrue() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualUsingGuava(emptyList); + + assertTrue(allEqual); + } + + @Test + public void givenAllEqualList_whenUsingGuava_thenReturnTrue() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualUsingGuava(allEqualList); + + assertTrue(allEqual); + } + + @Test + public void givenNotAllEqualList_whenUsingApacheCommon_thenReturnFalse() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualUsingApacheCommon(notAllEqualList); + + assertFalse(allEqual); + } + + @Test + public void givenEmptyList_whenUsingApacheCommon_thenReturnTrue() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualUsingApacheCommon(emptyList); + + assertTrue(allEqual); + } + + @Test + public void givenAllEqualList_whenUsingApacheCommon_thenReturnTrue() { + boolean allEqual = verifyAllEqualListElements.verifyAllEqualUsingApacheCommon(allEqualList); + + assertTrue(allEqual); + } +} diff --git a/core-java-collections/src/test/java/com/baeldung/array/converter/ArrayConvertToListUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/array/converter/ArrayConvertToListUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/array/converter/ArrayConvertToListUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/array/converter/ArrayConvertToListUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/collection/ClearVsRemoveAllUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/collection/ClearVsRemoveAllUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/collection/ClearVsRemoveAllUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/collection/ClearVsRemoveAllUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/collection/CollectionsEmpty.java b/core-java-collections-list/src/test/java/com/baeldung/collection/CollectionsEmpty.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/collection/CollectionsEmpty.java rename to core-java-collections-list/src/test/java/com/baeldung/collection/CollectionsEmpty.java diff --git a/core-java-collections-list/src/test/java/com/baeldung/collection/filtering/CollectionFilteringUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/collection/filtering/CollectionFilteringUnitTest.java new file mode 100644 index 0000000000..cbc7136192 --- /dev/null +++ b/core-java-collections-list/src/test/java/com/baeldung/collection/filtering/CollectionFilteringUnitTest.java @@ -0,0 +1,73 @@ +package com.baeldung.collection.filtering; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; +import java.util.Set; +import java.util.stream.Collectors; + +import org.hamcrest.Matchers; +import org.junit.Assert; +import org.junit.Test; + +/** + * Various filtering examples. + * + * @author Rodolfo Felipe + */ +public class CollectionFilteringUnitTest { + + private List buildEmployeeList() { + return Arrays.asList(new Employee(1, "Mike", 1), new Employee(2, "John", 1), new Employee(3, "Mary", 1), new Employee(4, "Joe", 2), new Employee(5, "Nicole", 2), new Employee(6, "Alice", 2), new Employee(7, "Bob", 3), new Employee(8, "Scarlett", 3)); + } + + private List employeeNameFilter() { + return Arrays.asList("Alice", "Mike", "Bob"); + } + + @Test + public void givenEmployeeList_andNameFilterList_thenObtainFilteredEmployeeList_usingForEachLoop() { + List filteredList = new ArrayList<>(); + List originalList = buildEmployeeList(); + List nameFilter = employeeNameFilter(); + + for (Employee employee : originalList) { + for (String name : nameFilter) { + if (employee.getName() + .equalsIgnoreCase(name)) { + filteredList.add(employee); + } + } + } + + Assert.assertThat(filteredList.size(), Matchers.is(nameFilter.size())); + } + + @Test + public void givenEmployeeList_andNameFilterList_thenObtainFilteredEmployeeList_usingLambda() { + List filteredList; + List originalList = buildEmployeeList(); + List nameFilter = employeeNameFilter(); + + filteredList = originalList.stream() + .filter(employee -> nameFilter.contains(employee.getName())) + .collect(Collectors.toList()); + + Assert.assertThat(filteredList.size(), Matchers.is(nameFilter.size())); + } + + @Test + public void givenEmployeeList_andNameFilterList_thenObtainFilteredEmployeeList_usingLambdaAndHashSet() { + List filteredList; + List originalList = buildEmployeeList(); + Set nameFilterSet = employeeNameFilter().stream() + .collect(Collectors.toSet()); + + filteredList = originalList.stream() + .filter(employee -> nameFilterSet.contains(employee.getName())) + .collect(Collectors.toList()); + + Assert.assertThat(filteredList.size(), Matchers.is(nameFilterSet.size())); + } + +} diff --git a/core-java-collections/src/test/java/com/baeldung/findItems/FindItemsBasedOnOtherStreamUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/findItems/FindItemsBasedOnOtherStreamUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/findItems/FindItemsBasedOnOtherStreamUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/findItems/FindItemsBasedOnOtherStreamUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/findanelement/FindACustomerInGivenListUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/findanelement/FindACustomerInGivenListUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/findanelement/FindACustomerInGivenListUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/findanelement/FindACustomerInGivenListUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/java/list/CopyListServiceUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/java/list/CopyListServiceUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/java/list/CopyListServiceUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/java/list/CopyListServiceUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/java/list/CustomListUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/java/list/CustomListUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/java/list/CustomListUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/java/list/CustomListUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/java/list/ReverseIteratorUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/java/list/ReverseIteratorUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/java/list/ReverseIteratorUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/java/list/ReverseIteratorUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/java/list/WaysToIterateUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/java/list/WaysToIterateUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/java/list/WaysToIterateUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/java/list/WaysToIterateUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/java/listInitialization/ListInitializationUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/java/listInitialization/ListInitializationUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/java/listInitialization/ListInitializationUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/java/listInitialization/ListInitializationUnitTest.java diff --git a/core-java-8/src/test/java/com/baeldung/java8/Java8CollectionCleanupUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/java8/Java8CollectionCleanupUnitTest.java similarity index 100% rename from core-java-8/src/test/java/com/baeldung/java8/Java8CollectionCleanupUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/java8/Java8CollectionCleanupUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/java8/Java8MaxMinUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/java8/Java8MaxMinUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/java8/Java8MaxMinUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/java8/Java8MaxMinUnitTest.java diff --git a/core-java-8/src/test/java/com/baeldung/list/AddElementsUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/list/AddElementsUnitTest.java similarity index 100% rename from core-java-8/src/test/java/com/baeldung/list/AddElementsUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/list/AddElementsUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/list/flattennestedlist/FlattenNestedListUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/list/flattennestedlist/FlattenNestedListUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/list/flattennestedlist/FlattenNestedListUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/list/flattennestedlist/FlattenNestedListUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/list/listoflist/AddElementsToListUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/list/listoflist/AddElementsToListUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/list/listoflist/AddElementsToListUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/list/listoflist/AddElementsToListUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/list/listoflist/ListOfListsUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/list/listoflist/ListOfListsUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/list/listoflist/ListOfListsUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/list/listoflist/ListOfListsUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/list/removeall/RemoveAllUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/list/removeall/RemoveAllUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/list/removeall/RemoveAllUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/list/removeall/RemoveAllUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/list/removefirst/RemoveFirstElementUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/list/removefirst/RemoveFirstElementUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/list/removefirst/RemoveFirstElementUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/list/removefirst/RemoveFirstElementUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/RandomListElementUnitTest.java b/core-java-collections-list/src/test/java/org/baeldung/RandomListElementUnitTest.java similarity index 98% rename from core-java/src/test/java/com/baeldung/RandomListElementUnitTest.java rename to core-java-collections-list/src/test/java/org/baeldung/RandomListElementUnitTest.java index 6ae7c40f4d..4f5ba0f82f 100644 --- a/core-java/src/test/java/com/baeldung/RandomListElementUnitTest.java +++ b/core-java-collections-list/src/test/java/org/baeldung/RandomListElementUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung; +package org.baeldung; import com.google.common.collect.Lists; import org.junit.Test; diff --git a/core-java-collections/src/test/java/org/baeldung/java/collections/ArrayListUnitTest.java b/core-java-collections-list/src/test/java/org/baeldung/java/collections/ArrayListUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/org/baeldung/java/collections/ArrayListUnitTest.java rename to core-java-collections-list/src/test/java/org/baeldung/java/collections/ArrayListUnitTest.java diff --git a/core-java-collections/src/test/java/org/baeldung/java/collections/CoreJavaCollectionsUnitTest.java b/core-java-collections-list/src/test/java/org/baeldung/java/collections/CoreJavaCollectionsUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/org/baeldung/java/collections/CoreJavaCollectionsUnitTest.java rename to core-java-collections-list/src/test/java/org/baeldung/java/collections/CoreJavaCollectionsUnitTest.java diff --git a/core-java-collections/src/test/java/org/baeldung/java/collections/JavaCollectionCleanupUnitTest.java b/core-java-collections-list/src/test/java/org/baeldung/java/collections/JavaCollectionCleanupUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/org/baeldung/java/collections/JavaCollectionCleanupUnitTest.java rename to core-java-collections-list/src/test/java/org/baeldung/java/collections/JavaCollectionCleanupUnitTest.java diff --git a/core-java-collections/src/test/java/org/baeldung/java/lists/ListAssertJUnitTest.java b/core-java-collections-list/src/test/java/org/baeldung/java/lists/ListAssertJUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/org/baeldung/java/lists/ListAssertJUnitTest.java rename to core-java-collections-list/src/test/java/org/baeldung/java/lists/ListAssertJUnitTest.java diff --git a/core-java-collections/src/test/java/org/baeldung/java/lists/ListJUnitTest.java b/core-java-collections-list/src/test/java/org/baeldung/java/lists/ListJUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/org/baeldung/java/lists/ListJUnitTest.java rename to core-java-collections-list/src/test/java/org/baeldung/java/lists/ListJUnitTest.java diff --git a/core-java-collections/src/test/java/org/baeldung/java/lists/ListTestNgUnitTest.java b/core-java-collections-list/src/test/java/org/baeldung/java/lists/ListTestNgUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/org/baeldung/java/lists/ListTestNgUnitTest.java rename to core-java-collections-list/src/test/java/org/baeldung/java/lists/ListTestNgUnitTest.java diff --git a/core-java-collections/src/test/java/org/baeldung/java/lists/README.md b/core-java-collections-list/src/test/java/org/baeldung/java/lists/README.md similarity index 100% rename from core-java-collections/src/test/java/org/baeldung/java/lists/README.md rename to core-java-collections-list/src/test/java/org/baeldung/java/lists/README.md diff --git a/core-java-collections/README.md b/core-java-collections/README.md index 4c0b24cd5d..80d4385c45 100644 --- a/core-java-collections/README.md +++ b/core-java-collections/README.md @@ -3,36 +3,21 @@ ## Core Java Collections Cookbooks and Examples ### Relevant Articles: -- [Immutable ArrayList in Java](http://www.baeldung.com/java-immutable-list) -- [Guide to the Java ArrayList](http://www.baeldung.com/java-arraylist) -- [Random List Element](http://www.baeldung.com/java-random-list-element) - [Java - Combine Multiple Collections](http://www.baeldung.com/java-combine-multiple-collections) -- [Removing all nulls from a List in Java](http://www.baeldung.com/java-remove-nulls-from-list) -- [Removing all duplicates from a List in Java](http://www.baeldung.com/java-remove-duplicates-from-list) -- [Flattening Nested Collections in Java](http://www.baeldung.com/java-flatten-nested-collections) - [HashSet and TreeSet Comparison](http://www.baeldung.com/java-hashset-vs-treeset) - [Collect a Java Stream to an Immutable Collection](http://www.baeldung.com/java-stream-immutable-collection) - [Introduction to the Java ArrayDeque](http://www.baeldung.com/java-array-deque) - [A Guide to HashSet in Java](http://www.baeldung.com/java-hashset) - [A Guide to TreeSet in Java](http://www.baeldung.com/java-tree-set) -- [How to TDD a List Implementation in Java](http://www.baeldung.com/java-test-driven-list) - [Getting the Size of an Iterable in Java](http://www.baeldung.com/java-iterable-size) -- [Iterating Backward Through a List](http://www.baeldung.com/java-list-iterate-backwards) - [How to Filter a Collection in Java](http://www.baeldung.com/java-collection-filtering) -- [Add Multiple Items to an Java ArrayList](http://www.baeldung.com/java-add-items-array-list) -- [Remove the First Element from a List](http://www.baeldung.com/java-remove-first-element-from-list) - [Initializing HashSet at the Time of Construction](http://www.baeldung.com/java-initialize-hashset) - [Removing the First Element of an Array](https://www.baeldung.com/java-array-remove-first-element) - [Fail-Safe Iterator vs Fail-Fast Iterator](http://www.baeldung.com/java-fail-safe-vs-fail-fast-iterator) - [Shuffling Collections In Java](http://www.baeldung.com/java-shuffle-collection) -- [How to Find an Element in a List with Java](http://www.baeldung.com/find-list-element-java) - [An Introduction to Java.util.Hashtable Class](http://www.baeldung.com/java-hash-table) -- [Copy a List to Another List in Java](http://www.baeldung.com/java-copy-list-to-another) -- [Finding Max/Min of a List or Collection](http://www.baeldung.com/java-collection-min-max) - [Java Null-Safe Streams from Collections](https://www.baeldung.com/java-null-safe-streams-from-collections) -- [Remove All Occurrences of a Specific Value from a List](https://www.baeldung.com/java-remove-value-from-list) - [Thread Safe LIFO Data Structure Implementations](https://www.baeldung.com/java-lifo-thread-safe) -- [Collections.emptyList() vs. New List Instance](https://www.baeldung.com/java-collections-emptylist-new-list) - [Differences Between Collection.clear() and Collection.removeAll()](https://www.baeldung.com/java-collection-clear-vs-removeall) - [Performance of contains() in a HashSet vs ArrayList](https://www.baeldung.com/java-hashset-arraylist-contains-performance) - [Time Complexity of Java Collections](https://www.baeldung.com/java-collections-complexity) @@ -40,15 +25,11 @@ - [An Introduction to Synchronized Java Collections](https://www.baeldung.com/java-synchronized-collections) - [Guide to EnumSet](https://www.baeldung.com/java-enumset) - [Removing Elements from Java Collections](https://www.baeldung.com/java-collection-remove-elements) -- [Converting a Collection to ArrayList in Java](https://www.baeldung.com/java-convert-collection-arraylist) -- [Java 8 Streams: Find Items From One List Based On Values From Another List](https://www.baeldung.com/java-streams-find-list-items) - [Combining Different Types of Collections in Java](https://www.baeldung.com/java-combine-collections) - [Sorting in Java](http://www.baeldung.com/java-sorting) -- [A Guide to the Java LinkedList](http://www.baeldung.com/java-linkedlist) -- [Java List UnsupportedOperationException](http://www.baeldung.com/java-list-unsupported-operation-exception) - [Join and Split Arrays and Collections in Java](http://www.baeldung.com/java-join-and-split) -- [Check If Two Lists are Equal in Java](http://www.baeldung.com/java-test-a-list-for-ordinality-and-equality) -- [Java List Initialization in One Line](https://www.baeldung.com/java-init-list-one-line) -- [ClassCastException: Arrays$ArrayList cannot be cast to ArrayList](https://www.baeldung.com/java-classcastexception-arrays-arraylist) - [A Guide to EnumMap](https://www.baeldung.com/java-enum-map) -- [Ways to Iterate Over a List in Java](https://www.baeldung.com/java-iterate-list) +- [A Guide to Iterator in Java](http://www.baeldung.com/java-iterator) +- [Differences Between HashMap and Hashtable](https://www.baeldung.com/hashmap-hashtable-differences) +- [Java ArrayList vs Vector](https://www.baeldung.com/java-arraylist-vs-vector) +- [Defining a Char Stack in Java](https://www.baeldung.com/java-char-stack) diff --git a/core-java-collections/pom.xml b/core-java-collections/pom.xml index 2201ee8b15..b791f38b24 100644 --- a/core-java-collections/pom.xml +++ b/core-java-collections/pom.xml @@ -3,8 +3,8 @@ 4.0.0 core-java-collections 0.1.0-SNAPSHOT - jar core-java-collections + jar com.baeldung @@ -54,7 +54,7 @@ org.apache.commons commons-exec - 1.3 + ${commons-exec.version} org.projectlombok @@ -73,6 +73,6 @@ 1.7.0 3.11.1 7.1.0 - 1.16.12 + 1.3 diff --git a/core-java-collections/src/main/java/com/baeldung/charstack/CharStack.java b/core-java-collections/src/main/java/com/baeldung/charstack/CharStack.java new file mode 100644 index 0000000000..f789a68d90 --- /dev/null +++ b/core-java-collections/src/main/java/com/baeldung/charstack/CharStack.java @@ -0,0 +1,37 @@ +package com.baeldung.charstack; + +import java.util.Iterator; +import java.util.LinkedList; + +public class CharStack { + + private LinkedList items; + + public CharStack() { + this.items = new LinkedList(); + } + + public void push(Character item) { + items.push(item); + } + + public Character peek() { + return items.getFirst(); + } + + public Character pop() { + + Iterator iter = items.iterator(); + Character item = iter.next(); + if (item != null) { + iter.remove(); + return item; + } + return null; + } + + public int size() { + return items.size(); + } + +} diff --git a/core-java-collections/src/main/java/com/baeldung/charstack/CharStackWithArray.java b/core-java-collections/src/main/java/com/baeldung/charstack/CharStackWithArray.java new file mode 100644 index 0000000000..ed7fa3f253 --- /dev/null +++ b/core-java-collections/src/main/java/com/baeldung/charstack/CharStackWithArray.java @@ -0,0 +1,48 @@ +package com.baeldung.charstack; + +public class CharStackWithArray { + + private char[] elements; + private int size; + + public CharStackWithArray() { + size = 0; + elements = new char[4]; + } + + public int size() { + return size; + } + + public char peek() { + if (size == 0) { + throw new EmptyStackException(); + } + return elements[size - 1]; + } + + public char pop() { + if (size == 0) { + throw new EmptyStackException(); + } + + return elements[--size]; + } + + public void push(char item) { + ensureCapacity(size + 1); + elements[size] = item; + size++; + } + + private void ensureCapacity(int newSize) { + char newBiggerArray[]; + + if (elements.length < newSize) { + newBiggerArray = new char[elements.length * 2]; + System.arraycopy(elements, 0, newBiggerArray, 0, size); + elements = newBiggerArray; + } + } + +} diff --git a/core-java-collections/src/main/java/com/baeldung/charstack/EmptyStackException.java b/core-java-collections/src/main/java/com/baeldung/charstack/EmptyStackException.java new file mode 100644 index 0000000000..f005854e7f --- /dev/null +++ b/core-java-collections/src/main/java/com/baeldung/charstack/EmptyStackException.java @@ -0,0 +1,9 @@ +package com.baeldung.charstack; + +public class EmptyStackException extends RuntimeException { + + public EmptyStackException() { + super("Stack is empty"); + } + +} diff --git a/core-java/src/main/java/com/baeldung/iteratorguide/IteratorGuide.java b/core-java-collections/src/main/java/com/baeldung/iteratorguide/IteratorGuide.java similarity index 100% rename from core-java/src/main/java/com/baeldung/iteratorguide/IteratorGuide.java rename to core-java-collections/src/main/java/com/baeldung/iteratorguide/IteratorGuide.java diff --git a/core-java-collections/src/main/java/com/baeldung/java/list/VectorExample.java b/core-java-collections/src/main/java/com/baeldung/java/list/VectorExample.java new file mode 100644 index 0000000000..7debc07911 --- /dev/null +++ b/core-java-collections/src/main/java/com/baeldung/java/list/VectorExample.java @@ -0,0 +1,27 @@ +package com.baeldung.java.list; + +import java.util.Enumeration; +import java.util.Iterator; +import java.util.Vector; + +public class VectorExample { + + public static void main(String[] args) { + + Vector vector = new Vector<>(); + vector.add("baeldung"); + vector.add("Vector"); + vector.add("example"); + + Enumeration e = vector.elements(); + while(e.hasMoreElements()){ + System.out.println(e.nextElement()); + } + + Iterator iterator = vector.iterator(); + while (iterator.hasNext()) { + System.out.println(iterator.next()); + } + } + +} diff --git a/core-java-collections/src/main/java/com/baeldung/java/sort/CollectionsSortCompare.java b/core-java-collections/src/main/java/com/baeldung/java/sort/CollectionsSortCompare.java new file mode 100644 index 0000000000..1eff522877 --- /dev/null +++ b/core-java-collections/src/main/java/com/baeldung/java/sort/CollectionsSortCompare.java @@ -0,0 +1,39 @@ +package com.baeldung.java.sort; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collections; +import java.util.List; + +public class CollectionsSortCompare { + + public static void main(String[] args) { + sortPrimitives(); + sortReferenceType(); + sortCollection(); + } + + private static void sortReferenceType() { + Integer[] numbers = {5, 22, 10, 0}; + Arrays.sort(numbers); + System.out.println(Arrays.toString(numbers)); + } + + private static void sortCollection() { + List numbersList = new ArrayList<>(); + numbersList.add(5); + numbersList.add(22); + numbersList.add(10); + numbersList.add(0); + + Collections.sort(numbersList); + + numbersList.forEach(System.out::print); + } + + private static void sortPrimitives() { + int[] numbers = {5, 22, 10, 0}; + Arrays.sort(numbers); + System.out.println(Arrays.toString(numbers)); + } +} diff --git a/core-java-collections/src/main/java/com/baeldung/performance/ArrayListBenchmark.java b/core-java-collections/src/main/java/com/baeldung/performance/ArrayListBenchmark.java index dddd85007d..331ae8d908 100644 --- a/core-java-collections/src/main/java/com/baeldung/performance/ArrayListBenchmark.java +++ b/core-java-collections/src/main/java/com/baeldung/performance/ArrayListBenchmark.java @@ -9,7 +9,7 @@ import java.util.*; import java.util.concurrent.TimeUnit; @BenchmarkMode(Mode.AverageTime) -@OutputTimeUnit(TimeUnit.MICROSECONDS) +@OutputTimeUnit(TimeUnit.NANOSECONDS) @Warmup(iterations = 10) public class ArrayListBenchmark { @@ -17,6 +17,7 @@ public class ArrayListBenchmark { public static class MyState { List employeeList = new ArrayList<>(); + Vector employeeVector = new Vector<>(); //LinkedList employeeList = new LinkedList<>(); long iterations = 100000; @@ -29,9 +30,11 @@ public class ArrayListBenchmark { public void setUp() { for (long i = 0; i < iterations; i++) { employeeList.add(new Employee(i, "John")); + employeeVector.add(new Employee(i, "John")); } employeeList.add(employee); + employeeVector.add(employee); employeeIndex = employeeList.indexOf(employee); } } @@ -46,6 +49,11 @@ public class ArrayListBenchmark { return state.employeeList.contains(state.employee); } + @Benchmark + public boolean testContainsVector(ArrayListBenchmark.MyState state) { + return state.employeeVector.contains(state.employee); + } + @Benchmark public int testIndexOf(ArrayListBenchmark.MyState state) { return state.employeeList.indexOf(state.employee); @@ -56,19 +64,24 @@ public class ArrayListBenchmark { return state.employeeList.get(state.employeeIndex); } + @Benchmark + public Employee testVectorGet(ArrayListBenchmark.MyState state) { + return state.employeeVector.get(state.employeeIndex); + } + @Benchmark public boolean testRemove(ArrayListBenchmark.MyState state) { return state.employeeList.remove(state.employee); } -// @Benchmark -// public void testAdd(ArrayListBenchmark.MyState state) { -// state.employeeList.add(new Employee(state.iterations + 1, "John")); -// } + @Benchmark + public void testAdd(ArrayListBenchmark.MyState state) { + state.employeeList.add(new Employee(state.iterations + 1, "John")); + } public static void main(String[] args) throws Exception { Options options = new OptionsBuilder() - .include(ArrayListBenchmark.class.getSimpleName()).threads(1) + .include(ArrayListBenchmark.class.getSimpleName()).threads(3) .forks(1).shouldFailOnError(true) .shouldDoGC(true) .jvmArgs("-server").build(); diff --git a/core-java-collections/src/main/java/com/baeldung/performance/ArraySortBenchmark.java b/core-java-collections/src/main/java/com/baeldung/performance/ArraySortBenchmark.java new file mode 100644 index 0000000000..b93f8e9cc2 --- /dev/null +++ b/core-java-collections/src/main/java/com/baeldung/performance/ArraySortBenchmark.java @@ -0,0 +1,51 @@ +package com.baeldung.performance; + +import java.util.Arrays; +import java.util.concurrent.TimeUnit; + +import org.openjdk.jmh.annotations.Benchmark; +import org.openjdk.jmh.annotations.BenchmarkMode; +import org.openjdk.jmh.annotations.Measurement; +import org.openjdk.jmh.annotations.Mode; +import org.openjdk.jmh.annotations.OutputTimeUnit; +import org.openjdk.jmh.annotations.Scope; +import org.openjdk.jmh.annotations.State; +import org.openjdk.jmh.annotations.Warmup; +import org.openjdk.jmh.runner.Runner; +import org.openjdk.jmh.runner.options.Options; +import org.openjdk.jmh.runner.options.OptionsBuilder; + +@BenchmarkMode(Mode.AverageTime) +@OutputTimeUnit(TimeUnit.MILLISECONDS) +@Measurement(batchSize = 100000, iterations = 10) +@Warmup(batchSize = 100000, iterations = 10) +public class ArraySortBenchmark { + + @State(Scope.Thread) + public static class Initialize { + Integer[] numbers = { -769214442, -1283881723, 1504158300, -1260321086, -1800976432, 1278262737, 1863224321, 1895424914, 2062768552, -1051922993, 751605209, -1500919212, 2094856518, -1014488489, -931226326, -1677121986, -2080561705, 562424208, -1233745158, 41308167 }; + int[] primitives = { -769214442, -1283881723, 1504158300, -1260321086, -1800976432, 1278262737, 1863224321, 1895424914, 2062768552, -1051922993, 751605209, -1500919212, 2094856518, -1014488489, -931226326, -1677121986, -2080561705, 562424208, -1233745158, 41308167 }; + } + + @Benchmark + public Integer[] benchmarkArraysIntegerSort(ArraySortBenchmark.Initialize state) { + Arrays.sort(state.numbers); + return state.numbers; + } + + @Benchmark + public int[] benchmarkArraysIntSort(ArraySortBenchmark.Initialize state) { + Arrays.sort(state.primitives); + return state.primitives; + } + + + public static void main(String[] args) throws Exception { + Options options = new OptionsBuilder() + .include(ArraySortBenchmark.class.getSimpleName()).threads(1) + .forks(1).shouldFailOnError(true) + .shouldDoGC(true) + .jvmArgs("-server").build(); + new Runner(options).run(); + } +} diff --git a/core-java-collections/src/main/java/com/baeldung/queueInterface/CustomBaeldungQueue.java b/core-java-collections/src/main/java/com/baeldung/queueInterface/CustomBaeldungQueue.java new file mode 100644 index 0000000000..4fcc211812 --- /dev/null +++ b/core-java-collections/src/main/java/com/baeldung/queueInterface/CustomBaeldungQueue.java @@ -0,0 +1,48 @@ +package com.baeldung.queueInterface; + +import java.util.AbstractQueue; +import java.util.Iterator; +import java.util.LinkedList; + +public class CustomBaeldungQueue extends AbstractQueue { + + private LinkedList elements; + + public CustomBaeldungQueue() { + this.elements = new LinkedList(); + } + + @Override + public Iterator iterator() { + return elements.iterator(); + } + + @Override + public int size() { + return elements.size(); + } + + @Override + public boolean offer(T t) { + if(t == null) return false; + elements.add(t); + return true; + } + + @Override + public T poll() { + + Iterator iter = elements.iterator(); + T t = iter.next(); + if(t != null){ + iter.remove(); + return t; + } + return null; + } + + @Override + public T peek() { + return elements.getFirst(); + } +} diff --git a/core-java-collections/src/test/java/com/baeldung/charstack/CharStackUnitTest.java b/core-java-collections/src/test/java/com/baeldung/charstack/CharStackUnitTest.java new file mode 100644 index 0000000000..a20526fd9d --- /dev/null +++ b/core-java-collections/src/test/java/com/baeldung/charstack/CharStackUnitTest.java @@ -0,0 +1,50 @@ +package com.baeldung.charstack; + +import static org.junit.Assert.assertEquals; + +import org.junit.jupiter.api.Test; + +public class CharStackUnitTest { + + @Test + public void whenCharStackIsCreated_thenItHasSize0() { + + CharStack charStack = new CharStack(); + + assertEquals(0, charStack.size()); + } + + @Test + public void givenEmptyCharStack_whenElementIsPushed_thenStackSizeisIncreased() { + + CharStack charStack = new CharStack(); + + charStack.push('A'); + + assertEquals(1, charStack.size()); + } + + @Test + public void givenCharStack_whenElementIsPoppedFromStack_thenElementIsRemovedAndSizeChanges() { + + CharStack charStack = new CharStack(); + charStack.push('A'); + + char element = charStack.pop(); + + assertEquals('A', element); + assertEquals(0, charStack.size()); + } + + @Test + public void givenCharStack_whenElementIsPeeked_thenElementIsNotRemovedAndSizeDoesNotChange() { + CharStack charStack = new CharStack(); + charStack.push('A'); + + char element = charStack.peek(); + + assertEquals('A', element); + assertEquals(1, charStack.size()); + } + +} diff --git a/core-java-collections/src/test/java/com/baeldung/charstack/CharStackUsingJavaUnitTest.java b/core-java-collections/src/test/java/com/baeldung/charstack/CharStackUsingJavaUnitTest.java new file mode 100644 index 0000000000..964b901ae0 --- /dev/null +++ b/core-java-collections/src/test/java/com/baeldung/charstack/CharStackUsingJavaUnitTest.java @@ -0,0 +1,53 @@ +package com.baeldung.charstack; + +import static org.junit.Assert.assertEquals; + +import java.util.Stack; + +import org.junit.jupiter.api.Test; + +public class CharStackUsingJavaUnitTest { + + @Test + public void whenCharStackIsCreated_thenItHasSize0() { + + Stack charStack = new Stack<>(); + + assertEquals(0, charStack.size()); + } + + @Test + public void givenEmptyCharStack_whenElementIsPushed_thenStackSizeisIncreased() { + + Stack charStack = new Stack<>(); + + charStack.push('A'); + + assertEquals(1, charStack.size()); + } + + @Test + public void givenCharStack_whenElementIsPoppedFromStack_thenElementIsRemovedAndSizeChanges() { + + Stack charStack = new Stack<>(); + charStack.push('A'); + + char element = charStack.pop(); + + assertEquals('A', element); + assertEquals(0, charStack.size()); + } + + @Test + public void givenCharStack_whenElementIsPeeked_thenElementIsNotRemovedAndSizeDoesNotChange() { + + Stack charStack = new Stack<>(); + charStack.push('A'); + + char element = charStack.peek(); + + assertEquals('A', element); + assertEquals(1, charStack.size()); + } + +} diff --git a/core-java-collections/src/test/java/com/baeldung/charstack/CharStackWithArrayUnitTest.java b/core-java-collections/src/test/java/com/baeldung/charstack/CharStackWithArrayUnitTest.java new file mode 100644 index 0000000000..df90b8f0a4 --- /dev/null +++ b/core-java-collections/src/test/java/com/baeldung/charstack/CharStackWithArrayUnitTest.java @@ -0,0 +1,65 @@ +package com.baeldung.charstack; + +import static org.junit.Assert.assertEquals; + +import org.junit.jupiter.api.Test; + +public class CharStackWithArrayUnitTest { + + @Test + public void whenCharStackIsCreated_thenItHasSize0() { + + CharStackWithArray charStack = new CharStackWithArray(); + + assertEquals(0, charStack.size()); + } + + @Test + public void givenEmptyCharStack_whenElementIsPushed_thenStackSizeisIncreased() { + + CharStackWithArray charStack = new CharStackWithArray(); + + charStack.push('A'); + + assertEquals(1, charStack.size()); + } + + @Test + public void givenEmptyCharStack_when5ElementIsPushed_thenStackSizeis() { + + CharStackWithArray charStack = new CharStackWithArray(); + + charStack.push('A'); + charStack.push('B'); + charStack.push('C'); + charStack.push('D'); + charStack.push('E'); + + assertEquals(5, charStack.size()); + } + + @Test + public void givenCharStack_whenElementIsPoppedFromStack_thenElementIsRemovedAndSizeChanges() { + + CharStackWithArray charStack = new CharStackWithArray(); + charStack.push('A'); + + char element = charStack.pop(); + + assertEquals('A', element); + assertEquals(0, charStack.size()); + } + + @Test + public void givenCharStack_whenElementIsPeeked_thenElementIsNotRemovedAndSizeDoesNotChange() { + + CharStackWithArray charStack = new CharStackWithArray(); + charStack.push('A'); + + char element = charStack.peek(); + + assertEquals('A', element); + assertEquals(1, charStack.size()); + } + +} diff --git a/core-java-collections/src/test/java/com/baeldung/hashmapvshashtable/HashmapVsHashtableDifferenceUnitTest.java b/core-java-collections/src/test/java/com/baeldung/hashmapvshashtable/HashmapVsHashtableDifferenceUnitTest.java new file mode 100644 index 0000000000..5218332d60 --- /dev/null +++ b/core-java-collections/src/test/java/com/baeldung/hashmapvshashtable/HashmapVsHashtableDifferenceUnitTest.java @@ -0,0 +1,98 @@ +package com.baeldung.hashmapvshashtable; + +import static org.junit.Assert.assertEquals; + +import java.util.Collections; +import java.util.ConcurrentModificationException; +import java.util.Enumeration; +import java.util.HashMap; +import java.util.Hashtable; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.Map.Entry; +import java.util.Set; + +import org.junit.Test; + +import com.google.common.collect.Lists; + +public class HashmapVsHashtableDifferenceUnitTest { + + // null values + @Test(expected = NullPointerException.class) + public void givenHashtable_whenAddNullKey_thenNullPointerExceptionThrown() { + Hashtable table = new Hashtable(); + table.put(null, "value"); + } + + @Test(expected = NullPointerException.class) + public void givenHashtable_whenAddNullValue_thenNullPointerExceptionThrown() { + Hashtable table = new Hashtable(); + table.put("key", null); + } + + @Test + public void givenHashmap_whenAddNullKeyAndValue_thenObjectAdded() { + HashMap map = new HashMap(); + map.put(null, "value"); + map.put("key1", null); + map.put("key2", null); + + assertEquals(3, map.size()); + } + + // fail-fast iterator + @Test(expected = ConcurrentModificationException.class) + public void givenHashmap_whenModifyUnderlyingCollection_thenConcurrentModificationExceptionThrown() { + HashMap map = new HashMap(); + map.put("key1", "value1"); + map.put("key2", "value2"); + map.put("key3", "value3"); + + Iterator iterator = map.keySet().iterator(); + while(iterator.hasNext()){ + iterator.next(); + map.put("key4", "value4"); + } + } + + @Test + public void givenHashtable_whenModifyUnderlyingCollection_thenItHasNoEffectOnIteratedCollection() { + Hashtable table = new Hashtable(); + table.put("key1", "value1"); + table.put("key2", "value2"); + + List keysSelected = Lists.newArrayList(); + Enumeration keys = table.keys(); + while (keys.hasMoreElements()) { + String key = keys.nextElement(); + keysSelected.add(key); + + if (key.equals("key1")) { + table.put("key3", "value3"); + } + } + + assertEquals(2, keysSelected.size()); + } + + // synchronized map + @Test + public void givenHashmap_thenCreateSynchronizedMap() { + HashMap map = new HashMap(); + map.put("key1", "value1"); + map.put("key2", "value2"); + map.put("key3", "value3"); + + Set> set = map.entrySet(); + synchronized (map) { + Iterator> it = set.iterator(); + while(it.hasNext()) { + Map.Entry elem = (Map.Entry)it.next(); + } + } + + Map syncMap = Collections.synchronizedMap(map); + } +} diff --git a/core-java-collections/src/test/java/com/baeldung/queueInterface/CustomBaeldungQueueUnitTest.java b/core-java-collections/src/test/java/com/baeldung/queueInterface/CustomBaeldungQueueUnitTest.java new file mode 100644 index 0000000000..7471d9841d --- /dev/null +++ b/core-java-collections/src/test/java/com/baeldung/queueInterface/CustomBaeldungQueueUnitTest.java @@ -0,0 +1,30 @@ +package com.baeldung.queueInterface; + +import org.junit.Before; +import org.junit.Test; + +import static org.junit.Assert.*; + +public class CustomBaeldungQueueUnitTest { + + private CustomBaeldungQueue customQueue; + + @Before + public void setUp() throws Exception { + customQueue = new CustomBaeldungQueue<>(); + } + + @Test + public void givenQueueWithTwoElements_whenElementsRetrieved_checkRetrievalCorrect() { + + customQueue.add(7); + customQueue.add(5); + + int first = customQueue.poll(); + int second = customQueue.poll(); + + assertEquals(7, first); + assertEquals(5, second); + + } +} diff --git a/core-java-collections/src/test/java/com/baeldung/queueInterface/PriorityQueueUnitTest.java b/core-java-collections/src/test/java/com/baeldung/queueInterface/PriorityQueueUnitTest.java new file mode 100644 index 0000000000..748099e8d1 --- /dev/null +++ b/core-java-collections/src/test/java/com/baeldung/queueInterface/PriorityQueueUnitTest.java @@ -0,0 +1,53 @@ +package com.baeldung.queueInterface; + +import org.junit.Before; +import org.junit.Test; + +import java.util.PriorityQueue; + +import static org.junit.Assert.assertEquals; + +public class PriorityQueueUnitTest { + + + + @Test + public void givenIntegerQueue_whenIntegersOutOfOrder_checkRetrievalOrderIsNatural() { + + PriorityQueue integerQueue = new PriorityQueue<>(); + + integerQueue.add(9); + integerQueue.add(2); + integerQueue.add(4); + + int first = integerQueue.poll(); + int second = integerQueue.poll(); + int third = integerQueue.poll(); + + assertEquals(2, first); + assertEquals(4, second); + assertEquals(9, third); + + + } + + @Test + public void givenStringQueue_whenStringsAddedOutOfNaturalOrder_checkRetrievalOrderNatural() { + + PriorityQueue stringQueue = new PriorityQueue<>(); + + stringQueue.add("banana"); + stringQueue.add("apple"); + stringQueue.add("cherry"); + + String first = stringQueue.poll(); + String second = stringQueue.poll(); + String third = stringQueue.poll(); + + assertEquals("apple", first); + assertEquals("banana", second); + assertEquals("cherry", third); + + + } +} diff --git a/core-java-collections/src/test/java/org/baeldung/java/collections/CollectionsEmpty.java b/core-java-collections/src/test/java/org/baeldung/java/collections/CollectionsEmpty.java deleted file mode 100644 index 09ecebe47b..0000000000 --- a/core-java-collections/src/test/java/org/baeldung/java/collections/CollectionsEmpty.java +++ /dev/null @@ -1,26 +0,0 @@ -package org.baeldung.java.collections; - -import java.util.ArrayList; -import java.util.Collections; -import java.util.List; -import org.junit.Assert; -import org.junit.Test; - -class CollectionsEmpty { - - @Test - public void givenArrayList_whenAddingElement_addsNewElement() { - ArrayList mutableList = new ArrayList<>(); - mutableList.add("test"); - - Assert.assertEquals(mutableList.size(), 1); - Assert.assertEquals(mutableList.get(0), "test"); - } - - @Test(expected = UnsupportedOperationException.class) - public void givenCollectionsEmptyList_whenAddingElement_throwsUnsupportedOperationException() { - List immutableList = Collections.emptyList(); - immutableList.add("test"); - } - -} diff --git a/core-java-concurrency/.gitignore b/core-java-concurrency-advanced/.gitignore similarity index 100% rename from core-java-concurrency/.gitignore rename to core-java-concurrency-advanced/.gitignore diff --git a/core-java-concurrency/README.md b/core-java-concurrency-advanced/README.md similarity index 60% rename from core-java-concurrency/README.md rename to core-java-concurrency-advanced/README.md index e8693a0231..bcbec9d687 100644 --- a/core-java-concurrency/README.md +++ b/core-java-concurrency-advanced/README.md @@ -1,33 +1,21 @@ ========= -## Core Java Concurrency Examples +## Core Java Concurrency Advanced Examples ### Relevant Articles: -- [Guide To CompletableFuture](http://www.baeldung.com/java-completablefuture) -- [A Guide to the Java ExecutorService](http://www.baeldung.com/java-executor-service-tutorial) - [Introduction to Thread Pools in Java](http://www.baeldung.com/thread-pool-java-and-guava) -- [Guide to java.util.concurrent.Future](http://www.baeldung.com/java-future) - [Guide to CountDownLatch in Java](http://www.baeldung.com/java-countdown-latch) - [Guide to java.util.concurrent.Locks](http://www.baeldung.com/java-concurrent-locks) - [An Introduction to ThreadLocal in Java](http://www.baeldung.com/java-threadlocal) -- [Difference Between Wait and Sleep in Java](http://www.baeldung.com/java-wait-and-sleep) - [LongAdder and LongAccumulator in Java](http://www.baeldung.com/java-longadder-and-longaccumulator) - [The Dining Philosophers Problem in Java](http://www.baeldung.com/java-dining-philoshophers) - [Guide to the Java Phaser](http://www.baeldung.com/java-phaser) -- [Guide to Synchronized Keyword in Java](http://www.baeldung.com/java-synchronized) - [An Introduction to Atomic Variables in Java](http://www.baeldung.com/java-atomic-variables) - [CyclicBarrier in Java](http://www.baeldung.com/java-cyclic-barrier) - [Guide to Volatile Keyword in Java](http://www.baeldung.com/java-volatile) -- [Overview of the java.util.concurrent](http://www.baeldung.com/java-util-concurrent) - [Semaphores in Java](http://www.baeldung.com/java-semaphore) - [Daemon Threads in Java](http://www.baeldung.com/java-daemon-thread) -- [Implementing a Runnable vs Extending a Thread](http://www.baeldung.com/java-runnable-vs-extending-thread) -- [How to Kill a Java Thread](http://www.baeldung.com/java-thread-stop) -- [ExecutorService - Waiting for Threads to Finish](http://www.baeldung.com/java-executor-wait-for-threads) -- [wait and notify() Methods in Java](http://www.baeldung.com/java-wait-notify) - [Priority-based Job Scheduling in Java](http://www.baeldung.com/java-priority-job-schedule) -- [Life Cycle of a Thread in Java](http://www.baeldung.com/java-thread-lifecycle) -- [Runnable vs. Callable in Java](http://www.baeldung.com/java-runnable-callable) - [Brief Introduction to Java Thread.yield()](https://www.baeldung.com/java-thread-yield) - [Print Even and Odd Numbers Using 2 Threads](https://www.baeldung.com/java-even-odd-numbers-with-2-threads) - [Java CyclicBarrier vs CountDownLatch](https://www.baeldung.com/java-cyclicbarrier-countdownlatch) diff --git a/core-java-concurrency/pom.xml b/core-java-concurrency-advanced/pom.xml similarity index 94% rename from core-java-concurrency/pom.xml rename to core-java-concurrency-advanced/pom.xml index 5dde4d5820..23032fb2e1 100644 --- a/core-java-concurrency/pom.xml +++ b/core-java-concurrency-advanced/pom.xml @@ -2,10 +2,10 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 com.baeldung - core-java-concurrency + core-java-concurrency-advanced 0.1.0-SNAPSHOT + core-java-concurrency-advanced jar - core-java-concurrency com.baeldung @@ -60,7 +60,7 @@ - core-java-concurrency + core-java-concurrency-advanced src/main/resources diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithLock.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithLock.java similarity index 94% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithLock.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithLock.java index e3a1629ce1..ef6b7ee8c8 100644 --- a/core-java-concurrency/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithLock.java +++ b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithLock.java @@ -1,13 +1,13 @@ -package com.baeldung.concurrent.atomic; - -public class SafeCounterWithLock { - private volatile int counter; - - int getValue() { - return counter; - } - - synchronized void increment() { - counter++; - } -} +package com.baeldung.concurrent.atomic; + +public class SafeCounterWithLock { + private volatile int counter; + + int getValue() { + return counter; + } + + synchronized void increment() { + counter++; + } +} diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithoutLock.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithoutLock.java similarity index 96% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithoutLock.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithoutLock.java index 18ade35efb..8b2aebba7c 100644 --- a/core-java-concurrency/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithoutLock.java +++ b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithoutLock.java @@ -1,21 +1,21 @@ -package com.baeldung.concurrent.atomic; - -import java.util.concurrent.atomic.AtomicInteger; - -public class SafeCounterWithoutLock { - private final AtomicInteger counter = new AtomicInteger(0); - - int getValue() { - return counter.get(); - } - - void increment() { - while(true) { - int existingValue = getValue(); - int newValue = existingValue + 1; - if(counter.compareAndSet(existingValue, newValue)) { - return; - } - } - } -} +package com.baeldung.concurrent.atomic; + +import java.util.concurrent.atomic.AtomicInteger; + +public class SafeCounterWithoutLock { + private final AtomicInteger counter = new AtomicInteger(0); + + int getValue() { + return counter.get(); + } + + void increment() { + while(true) { + int existingValue = getValue(); + int newValue = existingValue + 1; + if(counter.compareAndSet(existingValue, newValue)) { + return; + } + } + } +} diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/atomic/UnsafeCounter.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/UnsafeCounter.java similarity index 94% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/atomic/UnsafeCounter.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/UnsafeCounter.java index 500ef5bd7e..290c26b73d 100644 --- a/core-java-concurrency/src/main/java/com/baeldung/concurrent/atomic/UnsafeCounter.java +++ b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/UnsafeCounter.java @@ -1,13 +1,13 @@ -package com.baeldung.concurrent.atomic; - -public class UnsafeCounter { - private int counter; - - int getValue() { - return counter; - } - - void increment() { - counter++; - } -} +package com.baeldung.concurrent.atomic; + +public class UnsafeCounter { + private int counter; + + int getValue() { + return counter; + } + + void increment() { + counter++; + } +} diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/BrokenWorker.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/BrokenWorker.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/BrokenWorker.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/BrokenWorker.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/CountdownLatchCountExample.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/CountdownLatchCountExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/CountdownLatchCountExample.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/CountdownLatchCountExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/CountdownLatchResetExample.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/CountdownLatchResetExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/CountdownLatchResetExample.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/CountdownLatchResetExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/WaitingWorker.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/WaitingWorker.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/WaitingWorker.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/WaitingWorker.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/Worker.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/Worker.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/Worker.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/Worker.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCompletionMethodExample.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCompletionMethodExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCompletionMethodExample.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCompletionMethodExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCountExample.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCountExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCountExample.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCountExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierDemo.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierDemo.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierDemo.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierDemo.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierResetExample.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierResetExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierResetExample.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierResetExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/daemon/MultipleThreadsExample.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/daemon/MultipleThreadsExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/daemon/MultipleThreadsExample.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/daemon/MultipleThreadsExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/daemon/NewThread.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/daemon/NewThread.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/daemon/NewThread.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/daemon/NewThread.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/daemon/SingleThreadExample.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/daemon/SingleThreadExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/daemon/SingleThreadExample.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/daemon/SingleThreadExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/diningphilosophers/DiningPhilosophers.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/diningphilosophers/DiningPhilosophers.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/diningphilosophers/DiningPhilosophers.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/diningphilosophers/DiningPhilosophers.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/diningphilosophers/Philosopher.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/diningphilosophers/Philosopher.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/diningphilosophers/Philosopher.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/diningphilosophers/Philosopher.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/evenandodd/PrintEvenOddSemaphore.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/evenandodd/PrintEvenOddSemaphore.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/evenandodd/PrintEvenOddSemaphore.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/evenandodd/PrintEvenOddSemaphore.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/evenandodd/PrintEvenOddWaitNotify.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/evenandodd/PrintEvenOddWaitNotify.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/evenandodd/PrintEvenOddWaitNotify.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/evenandodd/PrintEvenOddWaitNotify.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/locks/ReentrantLockWithCondition.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/ReentrantLockWithCondition.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/locks/ReentrantLockWithCondition.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/ReentrantLockWithCondition.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/locks/SharedObjectWithLock.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/SharedObjectWithLock.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/locks/SharedObjectWithLock.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/SharedObjectWithLock.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/locks/StampedLockDemo.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/StampedLockDemo.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/locks/StampedLockDemo.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/StampedLockDemo.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLock.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLock.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLock.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLock.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/parameter/AverageCalculator.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/parameter/AverageCalculator.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/parameter/AverageCalculator.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/parameter/AverageCalculator.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/parameter/ParameterizedThreadExample.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/parameter/ParameterizedThreadExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/parameter/ParameterizedThreadExample.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/parameter/ParameterizedThreadExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/phaser/LongRunningAction.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/phaser/LongRunningAction.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/phaser/LongRunningAction.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/phaser/LongRunningAction.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/prioritytaskexecution/Job.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/prioritytaskexecution/Job.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/prioritytaskexecution/Job.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/prioritytaskexecution/Job.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/prioritytaskexecution/JobPriority.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/prioritytaskexecution/JobPriority.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/prioritytaskexecution/JobPriority.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/prioritytaskexecution/JobPriority.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/prioritytaskexecution/PriorityJobScheduler.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/prioritytaskexecution/PriorityJobScheduler.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/prioritytaskexecution/PriorityJobScheduler.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/prioritytaskexecution/PriorityJobScheduler.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/semaphores/CounterUsingMutex.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/semaphores/CounterUsingMutex.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/semaphores/CounterUsingMutex.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/semaphores/CounterUsingMutex.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/semaphores/DelayQueueUsingTimedSemaphore.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/semaphores/DelayQueueUsingTimedSemaphore.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/semaphores/DelayQueueUsingTimedSemaphore.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/semaphores/DelayQueueUsingTimedSemaphore.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/semaphores/LoginQueueUsingSemaphore.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/semaphores/LoginQueueUsingSemaphore.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/semaphores/LoginQueueUsingSemaphore.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/semaphores/LoginQueueUsingSemaphore.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/volatilekeyword/SharedObject.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/volatilekeyword/SharedObject.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/volatilekeyword/SharedObject.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/volatilekeyword/SharedObject.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/yield/ThreadYield.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/yield/ThreadYield.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/yield/ThreadYield.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/yield/ThreadYield.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/forkjoin/CustomRecursiveAction.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/forkjoin/CustomRecursiveAction.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/forkjoin/CustomRecursiveAction.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/forkjoin/CustomRecursiveAction.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/forkjoin/CustomRecursiveTask.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/forkjoin/CustomRecursiveTask.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/forkjoin/CustomRecursiveTask.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/forkjoin/CustomRecursiveTask.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/forkjoin/util/PoolUtil.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/forkjoin/util/PoolUtil.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/forkjoin/util/PoolUtil.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/forkjoin/util/PoolUtil.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/threadlocal/Context.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/Context.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/threadlocal/Context.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/Context.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/threadlocal/SharedMapWithUserContext.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/SharedMapWithUserContext.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/threadlocal/SharedMapWithUserContext.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/SharedMapWithUserContext.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/threadlocal/ThreadLocalWithUserContext.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/ThreadLocalWithUserContext.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/threadlocal/ThreadLocalWithUserContext.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/ThreadLocalWithUserContext.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/threadlocal/UserRepository.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/UserRepository.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/threadlocal/UserRepository.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/UserRepository.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/threadlocalrandom/ThreadLocalRandomBenchMarkRunner.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocalrandom/ThreadLocalRandomBenchMarkRunner.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/threadlocalrandom/ThreadLocalRandomBenchMarkRunner.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocalrandom/ThreadLocalRandomBenchMarkRunner.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/threadlocalrandom/ThreadLocalRandomBenchMarker.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocalrandom/ThreadLocalRandomBenchMarker.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/threadlocalrandom/ThreadLocalRandomBenchMarker.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocalrandom/ThreadLocalRandomBenchMarker.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/threadpool/CountingTask.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/threadpool/CountingTask.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/threadpool/CountingTask.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/threadpool/CountingTask.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/threadpool/ExitingExecutorServiceExample.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/threadpool/ExitingExecutorServiceExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/threadpool/ExitingExecutorServiceExample.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/threadpool/ExitingExecutorServiceExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/threadpool/TreeNode.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/threadpool/TreeNode.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/threadpool/TreeNode.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/threadpool/TreeNode.java diff --git a/core-java-concurrency/src/main/java/log4j.properties b/core-java-concurrency-advanced/src/main/java/log4j.properties similarity index 100% rename from core-java-concurrency/src/main/java/log4j.properties rename to core-java-concurrency-advanced/src/main/java/log4j.properties diff --git a/core-java-concurrency/src/main/resources/logback.xml b/core-java-concurrency-advanced/src/main/resources/logback.xml similarity index 100% rename from core-java-concurrency/src/main/resources/logback.xml rename to core-java-concurrency-advanced/src/main/resources/logback.xml diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/accumulator/LongAccumulatorUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/accumulator/LongAccumulatorUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/accumulator/LongAccumulatorUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/accumulator/LongAccumulatorUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/adder/LongAdderUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/adder/LongAdderUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/adder/LongAdderUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/adder/LongAdderUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/atomic/ThreadSafeCounterIntegrationTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/atomic/ThreadSafeCounterIntegrationTest.java similarity index 97% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/atomic/ThreadSafeCounterIntegrationTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/atomic/ThreadSafeCounterIntegrationTest.java index 4eead471f8..c3c44b40cf 100644 --- a/core-java-concurrency/src/test/java/com/baeldung/concurrent/atomic/ThreadSafeCounterIntegrationTest.java +++ b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/atomic/ThreadSafeCounterIntegrationTest.java @@ -1,38 +1,38 @@ -package com.baeldung.concurrent.atomic; - -import static org.junit.Assert.assertEquals; - -import java.util.concurrent.ExecutorService; -import java.util.concurrent.Executors; -import java.util.concurrent.TimeUnit; -import java.util.stream.IntStream; - -import org.junit.Test; - -public class ThreadSafeCounterIntegrationTest { - - @Test - public void givenMultiThread_whenSafeCounterWithLockIncrement() throws InterruptedException { - ExecutorService service = Executors.newFixedThreadPool(3); - SafeCounterWithLock safeCounter = new SafeCounterWithLock(); - - IntStream.range(0, 1000) - .forEach(count -> service.submit(safeCounter::increment)); - service.awaitTermination(100, TimeUnit.MILLISECONDS); - - assertEquals(1000, safeCounter.getValue()); - } - - @Test - public void givenMultiThread_whenSafeCounterWithoutLockIncrement() throws InterruptedException { - ExecutorService service = Executors.newFixedThreadPool(3); - SafeCounterWithoutLock safeCounter = new SafeCounterWithoutLock(); - - IntStream.range(0, 1000) - .forEach(count -> service.submit(safeCounter::increment)); - service.awaitTermination(100, TimeUnit.MILLISECONDS); - - assertEquals(1000, safeCounter.getValue()); - } - -} +package com.baeldung.concurrent.atomic; + +import static org.junit.Assert.assertEquals; + +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.TimeUnit; +import java.util.stream.IntStream; + +import org.junit.Test; + +public class ThreadSafeCounterIntegrationTest { + + @Test + public void givenMultiThread_whenSafeCounterWithLockIncrement() throws InterruptedException { + ExecutorService service = Executors.newFixedThreadPool(3); + SafeCounterWithLock safeCounter = new SafeCounterWithLock(); + + IntStream.range(0, 1000) + .forEach(count -> service.submit(safeCounter::increment)); + service.awaitTermination(100, TimeUnit.MILLISECONDS); + + assertEquals(1000, safeCounter.getValue()); + } + + @Test + public void givenMultiThread_whenSafeCounterWithoutLockIncrement() throws InterruptedException { + ExecutorService service = Executors.newFixedThreadPool(3); + SafeCounterWithoutLock safeCounter = new SafeCounterWithoutLock(); + + IntStream.range(0, 1000) + .forEach(count -> service.submit(safeCounter::increment)); + service.awaitTermination(100, TimeUnit.MILLISECONDS); + + assertEquals(1000, safeCounter.getValue()); + } + +} diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/atomic/ThreadUnsafeCounterManualTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/atomic/ThreadUnsafeCounterManualTest.java similarity index 97% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/atomic/ThreadUnsafeCounterManualTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/atomic/ThreadUnsafeCounterManualTest.java index cc7cc18bb5..bf451e58de 100644 --- a/core-java-concurrency/src/test/java/com/baeldung/concurrent/atomic/ThreadUnsafeCounterManualTest.java +++ b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/atomic/ThreadUnsafeCounterManualTest.java @@ -1,33 +1,33 @@ -package com.baeldung.concurrent.atomic; - -import static org.junit.Assert.assertEquals; - -import java.util.concurrent.ExecutorService; -import java.util.concurrent.Executors; -import java.util.concurrent.TimeUnit; -import java.util.stream.IntStream; - -import org.junit.Test; - -/** - * This test shows the behaviour of a thread-unsafe class in a multithreaded scenario. We are calling - * the increment methods 1000 times from a pool of 3 threads. In most of the cases, the counter will - * less than 1000, because of lost updates, however, occasionally it may reach 1000, when no threads - * called the method simultaneously. This may cause the build to fail occasionally. Hence excluding this - * test from build by adding this in manual test - */ -public class ThreadUnsafeCounterManualTest { - - @Test - public void givenMultiThread_whenUnsafeCounterIncrement() throws InterruptedException { - ExecutorService service = Executors.newFixedThreadPool(3); - UnsafeCounter unsafeCounter = new UnsafeCounter(); - - IntStream.range(0, 1000) - .forEach(count -> service.submit(unsafeCounter::increment)); - service.awaitTermination(100, TimeUnit.MILLISECONDS); - - assertEquals(1000, unsafeCounter.getValue()); - } - -} +package com.baeldung.concurrent.atomic; + +import static org.junit.Assert.assertEquals; + +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.TimeUnit; +import java.util.stream.IntStream; + +import org.junit.Test; + +/** + * This test shows the behaviour of a thread-unsafe class in a multithreaded scenario. We are calling + * the increment methods 1000 times from a pool of 3 threads. In most of the cases, the counter will + * less than 1000, because of lost updates, however, occasionally it may reach 1000, when no threads + * called the method simultaneously. This may cause the build to fail occasionally. Hence excluding this + * test from build by adding this in manual test + */ +public class ThreadUnsafeCounterManualTest { + + @Test + public void givenMultiThread_whenUnsafeCounterIncrement() throws InterruptedException { + ExecutorService service = Executors.newFixedThreadPool(3); + UnsafeCounter unsafeCounter = new UnsafeCounter(); + + IntStream.range(0, 1000) + .forEach(count -> service.submit(unsafeCounter::increment)); + service.awaitTermination(100, TimeUnit.MILLISECONDS); + + assertEquals(1000, unsafeCounter.getValue()); + } + +} diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchCountExampleUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchCountExampleUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchCountExampleUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchCountExampleUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchExampleIntegrationTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchExampleIntegrationTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchExampleIntegrationTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchExampleIntegrationTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchResetExampleUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchResetExampleUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchResetExampleUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchResetExampleUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCompletionMethodExampleUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCompletionMethodExampleUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCompletionMethodExampleUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCompletionMethodExampleUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCountExampleUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCountExampleUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCountExampleUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCountExampleUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierResetExampleUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierResetExampleUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierResetExampleUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierResetExampleUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/daemon/DaemonThreadUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/daemon/DaemonThreadUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/daemon/DaemonThreadUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/daemon/DaemonThreadUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/locks/SharedObjectWithLockManualTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/locks/SharedObjectWithLockManualTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/locks/SharedObjectWithLockManualTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/locks/SharedObjectWithLockManualTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLockManualTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLockManualTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLockManualTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLockManualTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/phaser/PhaserUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/phaser/PhaserUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/phaser/PhaserUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/phaser/PhaserUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/prioritytaskexecution/PriorityJobSchedulerUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/prioritytaskexecution/PriorityJobSchedulerUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/prioritytaskexecution/PriorityJobSchedulerUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/prioritytaskexecution/PriorityJobSchedulerUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/semaphores/SemaphoresManualTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/semaphores/SemaphoresManualTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/semaphores/SemaphoresManualTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/semaphores/SemaphoresManualTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/volatilekeyword/SharedObjectManualTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/volatilekeyword/SharedObjectManualTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/volatilekeyword/SharedObjectManualTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/volatilekeyword/SharedObjectManualTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/java8/Java8ForkJoinIntegrationTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/java8/Java8ForkJoinIntegrationTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/java8/Java8ForkJoinIntegrationTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/java8/Java8ForkJoinIntegrationTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/parameters/ParameterizedThreadUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/parameters/ParameterizedThreadUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/parameters/ParameterizedThreadUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/parameters/ParameterizedThreadUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/thread/join/ThreadJoinUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/thread/join/ThreadJoinUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/thread/join/ThreadJoinUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/thread/join/ThreadJoinUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/threadlocal/ThreadLocalIntegrationTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/threadlocal/ThreadLocalIntegrationTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/threadlocal/ThreadLocalIntegrationTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/threadlocal/ThreadLocalIntegrationTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/threadlocalrandom/ThreadLocalRandomIntegrationTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/threadlocalrandom/ThreadLocalRandomIntegrationTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/threadlocalrandom/ThreadLocalRandomIntegrationTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/threadlocalrandom/ThreadLocalRandomIntegrationTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/threadpool/CoreThreadPoolIntegrationTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/threadpool/CoreThreadPoolIntegrationTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/threadpool/CoreThreadPoolIntegrationTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/threadpool/CoreThreadPoolIntegrationTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/threadpool/GuavaThreadPoolIntegrationTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/threadpool/GuavaThreadPoolIntegrationTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/threadpool/GuavaThreadPoolIntegrationTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/threadpool/GuavaThreadPoolIntegrationTest.java diff --git a/core-java-concurrency/src/test/resources/.gitignore b/core-java-concurrency-advanced/src/test/resources/.gitignore similarity index 100% rename from core-java-concurrency/src/test/resources/.gitignore rename to core-java-concurrency-advanced/src/test/resources/.gitignore diff --git a/core-java-concurrency-basic/.gitignore b/core-java-concurrency-basic/.gitignore new file mode 100644 index 0000000000..3de4cc647e --- /dev/null +++ b/core-java-concurrency-basic/.gitignore @@ -0,0 +1,26 @@ +*.class + +0.* + +#folders# +/target +/neoDb* +/data +/src/main/webapp/WEB-INF/classes +*/META-INF/* +.resourceCache + +# Packaged files # +*.jar +*.war +*.ear + +# Files generated by integration tests +*.txt +backup-pom.xml +/bin/ +/temp + +#IntelliJ specific +.idea/ +*.iml \ No newline at end of file diff --git a/core-java-concurrency-basic/README.md b/core-java-concurrency-basic/README.md new file mode 100644 index 0000000000..ad3de4a758 --- /dev/null +++ b/core-java-concurrency-basic/README.md @@ -0,0 +1,18 @@ +========= + +## Core Java Concurrency Basic Examples + +### Relevant Articles: +- [Guide To CompletableFuture](http://www.baeldung.com/java-completablefuture) +- [A Guide to the Java ExecutorService](http://www.baeldung.com/java-executor-service-tutorial) +- [Guide to java.util.concurrent.Future](http://www.baeldung.com/java-future) +- [Difference Between Wait and Sleep in Java](http://www.baeldung.com/java-wait-and-sleep) +- [Guide to Synchronized Keyword in Java](http://www.baeldung.com/java-synchronized) +- [Overview of the java.util.concurrent](http://www.baeldung.com/java-util-concurrent) +- [Implementing a Runnable vs Extending a Thread](http://www.baeldung.com/java-runnable-vs-extending-thread) +- [How to Kill a Java Thread](http://www.baeldung.com/java-thread-stop) +- [ExecutorService - Waiting for Threads to Finish](http://www.baeldung.com/java-executor-wait-for-threads) +- [wait and notify() Methods in Java](http://www.baeldung.com/java-wait-notify) +- [Life Cycle of a Thread in Java](http://www.baeldung.com/java-thread-lifecycle) +- [Runnable vs. Callable in Java](http://www.baeldung.com/java-runnable-callable) +- [What is Thread-Safety and How to Achieve it](https://www.baeldung.com/java-thread-safety) diff --git a/core-java-concurrency-basic/pom.xml b/core-java-concurrency-basic/pom.xml new file mode 100644 index 0000000000..35c360769b --- /dev/null +++ b/core-java-concurrency-basic/pom.xml @@ -0,0 +1,55 @@ + + 4.0.0 + com.baeldung + core-java-concurrency-basic + 0.1.0-SNAPSHOT + core-java-concurrency-basic + jar + + + com.baeldung + parent-java + 0.0.1-SNAPSHOT + ../parent-java + + + + + org.apache.commons + commons-lang3 + ${commons-lang3.version} + + + org.assertj + assertj-core + ${assertj.version} + test + + + com.jayway.awaitility + awaitility + ${avaitility.version} + test + + + + + core-java-concurrency-basic + + + src/main/resources + true + + + + + + + 3.5 + + 3.6.1 + 1.7.0 + + + diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/Scheduledexecutorservice/ScheduledExecutorServiceDemo.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/Scheduledexecutorservice/ScheduledExecutorServiceDemo.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/Scheduledexecutorservice/ScheduledExecutorServiceDemo.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/Scheduledexecutorservice/ScheduledExecutorServiceDemo.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/callable/FactorialTask.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/callable/FactorialTask.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/callable/FactorialTask.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/callable/FactorialTask.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierExample.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierExample.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/Task.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/cyclicbarrier/Task.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/Task.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/cyclicbarrier/Task.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/executor/ExecutorDemo.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executor/ExecutorDemo.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/executor/ExecutorDemo.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executor/ExecutorDemo.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/executor/Invoker.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executor/Invoker.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/executor/Invoker.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executor/Invoker.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/executorservice/DelayedCallable.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executorservice/DelayedCallable.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/executorservice/DelayedCallable.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executorservice/DelayedCallable.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/executorservice/ExecutorServiceDemo.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executorservice/ExecutorServiceDemo.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/executorservice/ExecutorServiceDemo.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executorservice/ExecutorServiceDemo.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/executorservice/Task.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executorservice/Task.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/executorservice/Task.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executorservice/Task.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/future/FactorialSquareCalculator.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/future/FactorialSquareCalculator.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/future/FactorialSquareCalculator.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/future/FactorialSquareCalculator.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/future/FutureDemo.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/future/FutureDemo.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/future/FutureDemo.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/future/FutureDemo.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/future/SquareCalculator.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/future/SquareCalculator.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/future/SquareCalculator.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/future/SquareCalculator.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/runnable/EventLoggingTask.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/runnable/EventLoggingTask.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/runnable/EventLoggingTask.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/runnable/EventLoggingTask.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/runnable/TaskRunner.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/runnable/TaskRunner.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/runnable/TaskRunner.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/runnable/TaskRunner.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/semaphore/SemaPhoreDemo.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/semaphore/SemaPhoreDemo.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/semaphore/SemaPhoreDemo.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/semaphore/SemaPhoreDemo.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/sleepwait/ThreadA.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/sleepwait/ThreadA.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/sleepwait/ThreadA.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/sleepwait/ThreadA.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/sleepwait/ThreadB.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/sleepwait/ThreadB.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/sleepwait/ThreadB.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/sleepwait/ThreadB.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/sleepwait/WaitSleepExample.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/sleepwait/WaitSleepExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/sleepwait/WaitSleepExample.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/sleepwait/WaitSleepExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/stopping/ControlSubThread.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/stopping/ControlSubThread.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/stopping/ControlSubThread.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/stopping/ControlSubThread.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizedBlocks.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizedBlocks.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizedBlocks.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizedBlocks.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizedMethods.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizedMethods.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizedMethods.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizedMethods.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/threadfactory/BaeldungThreadFactory.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadfactory/BaeldungThreadFactory.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/threadfactory/BaeldungThreadFactory.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadfactory/BaeldungThreadFactory.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/threadfactory/Demo.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadfactory/Demo.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/threadfactory/Demo.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadfactory/Demo.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/threadfactory/Task.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadfactory/Task.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/threadfactory/Task.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadfactory/Task.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/BlockedState.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/BlockedState.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/BlockedState.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/BlockedState.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/NewState.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/NewState.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/NewState.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/NewState.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/RunnableState.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/RunnableState.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/RunnableState.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/RunnableState.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/TerminatedState.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/TerminatedState.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/TerminatedState.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/TerminatedState.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/TimedWaitingState.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/TimedWaitingState.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/TimedWaitingState.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/TimedWaitingState.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/WaitingState.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/WaitingState.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/WaitingState.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/WaitingState.java diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/application/Application.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/application/Application.java new file mode 100644 index 0000000000..0c5caba8a0 --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/application/Application.java @@ -0,0 +1,86 @@ +package com.baeldung.concurrent.threadsafety.application; + +import com.baeldung.concurrent.threadsafety.callables.AtomicCounterCallable; +import com.baeldung.concurrent.threadsafety.mathutils.MathUtils; +import com.baeldung.concurrent.threadsafety.callables.CounterCallable; +import com.baeldung.concurrent.threadsafety.callables.ExtrinsicLockCounterCallable; +import com.baeldung.concurrent.threadsafety.callables.MessageServiceCallable; +import com.baeldung.concurrent.threadsafety.callables.ReentranReadWriteLockCounterCallable; +import com.baeldung.concurrent.threadsafety.callables.ReentrantLockCounterCallable; +import com.baeldung.concurrent.threadsafety.services.AtomicCounter; +import com.baeldung.concurrent.threadsafety.services.Counter; +import com.baeldung.concurrent.threadsafety.services.ExtrinsicLockCounter; +import com.baeldung.concurrent.threadsafety.services.MessageService; +import com.baeldung.concurrent.threadsafety.services.ReentrantLockCounter; +import com.baeldung.concurrent.threadsafety.services.ReentrantReadWriteLockCounter; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collection; +import java.util.Collections; +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ExecutionException; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.Future; + +public class Application { + + public static void main(String[] args) throws InterruptedException, ExecutionException { + + new Thread(() -> { + System.out.println(MathUtils.factorial(10)); + }).start(); + new Thread(() -> { + System.out.println(MathUtils.factorial(5)); + }).start(); + + ExecutorService executorService = Executors.newFixedThreadPool(10); + MessageService messageService = new MessageService("Welcome to Baeldung!"); + Future future1 = (Future) executorService.submit(new MessageServiceCallable(messageService)); + Future future2 = (Future) executorService.submit(new MessageServiceCallable(messageService)); + System.out.println(future1.get()); + System.out.println(future2.get()); + + Counter counter = new Counter(); + Future future3 = (Future) executorService.submit(new CounterCallable(counter)); + Future future4 = (Future) executorService.submit(new CounterCallable(counter)); + System.out.println(future3.get()); + System.out.println(future4.get()); + + ExtrinsicLockCounter extrinsicLockCounter = new ExtrinsicLockCounter(); + Future future5 = (Future) executorService.submit(new ExtrinsicLockCounterCallable(extrinsicLockCounter)); + Future future6 = (Future) executorService.submit(new ExtrinsicLockCounterCallable(extrinsicLockCounter)); + System.out.println(future5.get()); + System.out.println(future6.get()); + + ReentrantLockCounter reentrantLockCounter = new ReentrantLockCounter(); + Future future7 = (Future) executorService.submit(new ReentrantLockCounterCallable(reentrantLockCounter)); + Future future8 = (Future) executorService.submit(new ReentrantLockCounterCallable(reentrantLockCounter)); + System.out.println(future7.get()); + System.out.println(future8.get()); + + ReentrantReadWriteLockCounter reentrantReadWriteLockCounter = new ReentrantReadWriteLockCounter(); + Future future9 = (Future) executorService.submit(new ReentranReadWriteLockCounterCallable(reentrantReadWriteLockCounter)); + Future future10 = (Future) executorService.submit(new ReentranReadWriteLockCounterCallable(reentrantReadWriteLockCounter)); + System.out.println(future9.get()); + System.out.println(future10.get()); + + AtomicCounter atomicCounter = new AtomicCounter(); + Future future11 = (Future) executorService.submit(new AtomicCounterCallable(atomicCounter)); + Future future12 = (Future) executorService.submit(new AtomicCounterCallable(atomicCounter)); + System.out.println(future11.get()); + System.out.println(future12.get()); + + Collection syncCollection = Collections.synchronizedCollection(new ArrayList<>()); + Thread thread11 = new Thread(() -> syncCollection.addAll(Arrays.asList(1, 2, 3, 4, 5, 6))); + Thread thread12 = new Thread(() -> syncCollection.addAll(Arrays.asList(1, 2, 3, 4, 5, 6))); + thread11.start(); + thread12.start(); + + Map concurrentMap = new ConcurrentHashMap<>(); + concurrentMap.put("1", "one"); + concurrentMap.put("2", "two"); + concurrentMap.put("3", "three"); + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/AtomicCounterCallable.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/AtomicCounterCallable.java new file mode 100644 index 0000000000..d711299b5c --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/AtomicCounterCallable.java @@ -0,0 +1,19 @@ +package com.baeldung.concurrent.threadsafety.callables; + +import com.baeldung.concurrent.threadsafety.services.AtomicCounter; +import java.util.concurrent.Callable; + +public class AtomicCounterCallable implements Callable { + + private final AtomicCounter counter; + + public AtomicCounterCallable(AtomicCounter counter) { + this.counter = counter; + } + + @Override + public Integer call() throws Exception { + counter.incrementCounter(); + return counter.getCounter(); + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/CounterCallable.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/CounterCallable.java new file mode 100644 index 0000000000..cdcd84a17b --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/CounterCallable.java @@ -0,0 +1,19 @@ +package com.baeldung.concurrent.threadsafety.callables; + +import com.baeldung.concurrent.threadsafety.services.Counter; +import java.util.concurrent.Callable; + +public class CounterCallable implements Callable { + + private final Counter counter; + + public CounterCallable(Counter counter) { + this.counter = counter; + } + + @Override + public Integer call() throws Exception { + counter.incrementCounter(); + return counter.getCounter(); + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/ExtrinsicLockCounterCallable.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/ExtrinsicLockCounterCallable.java new file mode 100644 index 0000000000..29533e7630 --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/ExtrinsicLockCounterCallable.java @@ -0,0 +1,19 @@ +package com.baeldung.concurrent.threadsafety.callables; + +import com.baeldung.concurrent.threadsafety.services.ExtrinsicLockCounter; +import java.util.concurrent.Callable; + +public class ExtrinsicLockCounterCallable implements Callable { + + private final ExtrinsicLockCounter counter; + + public ExtrinsicLockCounterCallable(ExtrinsicLockCounter counter) { + this.counter = counter; + } + + @Override + public Integer call() throws Exception { + counter.incrementCounter(); + return counter.getCounter(); + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/MessageServiceCallable.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/MessageServiceCallable.java new file mode 100644 index 0000000000..84e8c7bb51 --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/MessageServiceCallable.java @@ -0,0 +1,19 @@ +package com.baeldung.concurrent.threadsafety.callables; + +import com.baeldung.concurrent.threadsafety.services.MessageService; +import java.util.concurrent.Callable; + +public class MessageServiceCallable implements Callable { + + private final MessageService messageService; + + public MessageServiceCallable(MessageService messageService) { + this.messageService = messageService; + + } + + @Override + public String call() { + return messageService.getMesssage(); + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/ReentranReadWriteLockCounterCallable.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/ReentranReadWriteLockCounterCallable.java new file mode 100644 index 0000000000..e806460d50 --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/ReentranReadWriteLockCounterCallable.java @@ -0,0 +1,20 @@ +package com.baeldung.concurrent.threadsafety.callables; + +import com.baeldung.concurrent.threadsafety.services.ReentrantReadWriteLockCounter; +import java.util.concurrent.Callable; + +public class ReentranReadWriteLockCounterCallable implements Callable { + + private final ReentrantReadWriteLockCounter counter; + + public ReentranReadWriteLockCounterCallable(ReentrantReadWriteLockCounter counter) { + this.counter = counter; + } + + @Override + public Integer call() throws Exception { + counter.incrementCounter(); + return counter.getCounter(); + } + +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/ReentrantLockCounterCallable.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/ReentrantLockCounterCallable.java new file mode 100644 index 0000000000..3511a98c60 --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/ReentrantLockCounterCallable.java @@ -0,0 +1,19 @@ +package com.baeldung.concurrent.threadsafety.callables; + +import com.baeldung.concurrent.threadsafety.services.ReentrantLockCounter; +import java.util.concurrent.Callable; + +public class ReentrantLockCounterCallable implements Callable { + + private final ReentrantLockCounter counter; + + public ReentrantLockCounterCallable(ReentrantLockCounter counter) { + this.counter = counter; + } + + @Override + public Integer call() throws Exception { + counter.incrementCounter(); + return counter.getCounter(); + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/mathutils/MathUtils.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/mathutils/MathUtils.java new file mode 100644 index 0000000000..f560cd4281 --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/mathutils/MathUtils.java @@ -0,0 +1,14 @@ +package com.baeldung.concurrent.threadsafety.mathutils; + +import java.math.BigInteger; + +public class MathUtils { + + public static BigInteger factorial(int number) { + BigInteger f = new BigInteger("1"); + for (int i = 2; i <= number; i++) { + f = f.multiply(BigInteger.valueOf(i)); + } + return f; + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/AtomicCounter.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/AtomicCounter.java new file mode 100644 index 0000000000..32a373495c --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/AtomicCounter.java @@ -0,0 +1,18 @@ +package com.baeldung.concurrent.threadsafety.services; + +import java.util.concurrent.atomic.AtomicInteger; + +public class AtomicCounter { + + private final AtomicInteger counter = new AtomicInteger(); + + public AtomicCounter() {} + + public void incrementCounter() { + counter.incrementAndGet(); + } + + public synchronized int getCounter() { + return counter.get(); + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/Counter.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/Counter.java new file mode 100644 index 0000000000..f7dbc05639 --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/Counter.java @@ -0,0 +1,18 @@ +package com.baeldung.concurrent.threadsafety.services; + +public class Counter { + + private volatile int counter; + + public Counter() { + this.counter = 0; + } + + public synchronized void incrementCounter() { + counter += 1; + } + + public int getCounter() { + return counter; + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/ExtrinsicLockCounter.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/ExtrinsicLockCounter.java new file mode 100644 index 0000000000..8ab431fbc3 --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/ExtrinsicLockCounter.java @@ -0,0 +1,23 @@ +package com.baeldung.concurrent.threadsafety.services; + +public class ExtrinsicLockCounter { + + private int counter; + private final Object lock = new Object(); + + public ExtrinsicLockCounter() { + this.counter = 0; + } + + public void incrementCounter() { + synchronized (lock) { + counter += 1; + } + } + + public int getCounter() { + synchronized (lock) { + return counter; + } + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/MessageService.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/MessageService.java new file mode 100644 index 0000000000..33981381ea --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/MessageService.java @@ -0,0 +1,14 @@ +package com.baeldung.concurrent.threadsafety.services; + +public class MessageService { + + private final String message; + + public MessageService(String message) { + this.message = message; + } + + public String getMesssage() { + return message; + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/ReentrantLockCounter.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/ReentrantLockCounter.java new file mode 100644 index 0000000000..717f0717af --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/ReentrantLockCounter.java @@ -0,0 +1,26 @@ +package com.baeldung.concurrent.threadsafety.services; + +import java.util.concurrent.locks.ReentrantLock; + +public class ReentrantLockCounter { + + private int counter; + private final ReentrantLock reLock = new ReentrantLock(true); + + public ReentrantLockCounter() { + this.counter = 0; + } + + public void incrementCounter() { + reLock.lock(); + try { + counter += 1; + } finally { + reLock.unlock(); + } + } + + public int getCounter() { + return counter; + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/ReentrantReadWriteLockCounter.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/ReentrantReadWriteLockCounter.java new file mode 100644 index 0000000000..f740c938b1 --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/ReentrantReadWriteLockCounter.java @@ -0,0 +1,34 @@ +package com.baeldung.concurrent.threadsafety.services; + +import java.util.concurrent.locks.Lock; +import java.util.concurrent.locks.ReentrantReadWriteLock; + +public class ReentrantReadWriteLockCounter { + + private int counter; + private final ReentrantReadWriteLock rwLock = new ReentrantReadWriteLock(); + private final Lock readLock = rwLock.readLock(); + private final Lock writeLock = rwLock.writeLock(); + + public ReentrantReadWriteLockCounter() { + this.counter = 0; + } + + public void incrementCounter() { + writeLock.lock(); + try { + counter += 1; + } finally { + writeLock.unlock(); + } + } + + public int getCounter() { + readLock.lock(); + try { + return counter; + } finally { + readLock.unlock(); + } + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/StateHolder.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/StateHolder.java new file mode 100644 index 0000000000..5bbff9f39c --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/StateHolder.java @@ -0,0 +1,14 @@ +package com.baeldung.concurrent.threadsafety.services; + +public class StateHolder { + + private final String state; + + public StateHolder(String state) { + this.state = state; + } + + public String getState() { + return state; + } +} diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/Data.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/waitandnotify/Data.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/Data.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/waitandnotify/Data.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/NetworkDriver.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/waitandnotify/NetworkDriver.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/NetworkDriver.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/waitandnotify/NetworkDriver.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/Receiver.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/waitandnotify/Receiver.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/Receiver.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/waitandnotify/Receiver.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/Sender.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/waitandnotify/Sender.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/Sender.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/waitandnotify/Sender.java diff --git a/core-java-concurrency-basic/src/main/resources/logback.xml b/core-java-concurrency-basic/src/main/resources/logback.xml new file mode 100644 index 0000000000..56af2d397e --- /dev/null +++ b/core-java-concurrency-basic/src/main/resources/logback.xml @@ -0,0 +1,19 @@ + + + + + %d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n + + + + + + + + + + + + + + \ No newline at end of file diff --git a/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/CounterTest.java b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/CounterTest.java new file mode 100644 index 0000000000..3abbb1bdad --- /dev/null +++ b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/CounterTest.java @@ -0,0 +1,23 @@ +package com.baeldung.concurrent.threadsafety.tests; + +import org.junit.Test; +import static org.assertj.core.api.Assertions.assertThat; +import com.baeldung.concurrent.threadsafety.callables.CounterCallable; +import com.baeldung.concurrent.threadsafety.services.Counter; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.Future; + +public class CounterTest { + + @Test + public void whenCalledIncrementCounter_thenCorrect() throws Exception { + ExecutorService executorService = Executors.newFixedThreadPool(2); + Counter counter = new Counter(); + Future future1 = (Future) executorService.submit(new CounterCallable(counter)); + Future future2 = (Future) executorService.submit(new CounterCallable(counter)); + + assertThat(future1.get()).isEqualTo(1); + assertThat(future2.get()).isEqualTo(2); + } +} diff --git a/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/ExtrinsicLockCounterTest.java b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/ExtrinsicLockCounterTest.java new file mode 100644 index 0000000000..dba90f5b74 --- /dev/null +++ b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/ExtrinsicLockCounterTest.java @@ -0,0 +1,23 @@ +package com.baeldung.concurrent.threadsafety.tests; + +import org.junit.Test; +import static org.assertj.core.api.Assertions.assertThat; +import com.baeldung.concurrent.threadsafety.callables.ExtrinsicLockCounterCallable; +import com.baeldung.concurrent.threadsafety.services.ExtrinsicLockCounter; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.Future; + +public class ExtrinsicLockCounterTest { + + @Test + public void whenCalledIncrementCounter_thenCorrect() throws Exception { + ExecutorService executorService = Executors.newFixedThreadPool(2); + ExtrinsicLockCounter counter = new ExtrinsicLockCounter(); + Future future1 = (Future) executorService.submit(new ExtrinsicLockCounterCallable(counter)); + Future future2 = (Future) executorService.submit(new ExtrinsicLockCounterCallable(counter)); + + assertThat(future1.get()).isEqualTo(1); + assertThat(future2.get()).isEqualTo(2); + } +} diff --git a/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/MathUtilsTest.java b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/MathUtilsTest.java new file mode 100644 index 0000000000..8f3f574b03 --- /dev/null +++ b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/MathUtilsTest.java @@ -0,0 +1,13 @@ +package com.baeldung.concurrent.threadsafety.tests; + +import com.baeldung.concurrent.threadsafety.mathutils.MathUtils; +import org.junit.Test; +import static org.assertj.core.api.Assertions.assertThat; + +public class MathUtilsTest { + + @Test + public void whenCalledFactorialMethod_thenCorrect() { + assertThat(MathUtils.factorial(2)).isEqualTo(2); + } +} diff --git a/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/MessageServiceTest.java b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/MessageServiceTest.java new file mode 100644 index 0000000000..8f1f1a8754 --- /dev/null +++ b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/MessageServiceTest.java @@ -0,0 +1,23 @@ +package com.baeldung.concurrent.threadsafety.tests; + +import org.junit.Test; +import static org.assertj.core.api.Assertions.assertThat; +import com.baeldung.concurrent.threadsafety.callables.MessageServiceCallable; +import com.baeldung.concurrent.threadsafety.services.MessageService; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.Future; + +public class MessageServiceTest { + + @Test + public void whenCalledgetMessage_thenCorrect() throws Exception { + ExecutorService executorService = Executors.newFixedThreadPool(2); + MessageService messageService = new MessageService("Welcome to Baeldung!"); + Future future1 = (Future) executorService.submit(new MessageServiceCallable(messageService)); + Future future2 = (Future) executorService.submit(new MessageServiceCallable(messageService)); + + assertThat(future1.get()).isEqualTo("Welcome to Baeldung!"); + assertThat(future2.get()).isEqualTo("Welcome to Baeldung!"); + } +} diff --git a/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/ReentrantLockCounterTest.java b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/ReentrantLockCounterTest.java new file mode 100644 index 0000000000..05c721ab26 --- /dev/null +++ b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/ReentrantLockCounterTest.java @@ -0,0 +1,23 @@ +package com.baeldung.concurrent.threadsafety.tests; + +import com.baeldung.concurrent.threadsafety.callables.ReentrantLockCounterCallable; +import com.baeldung.concurrent.threadsafety.services.ReentrantLockCounter; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.Future; +import static org.assertj.core.api.Assertions.assertThat; +import org.junit.Test; + +public class ReentrantLockCounterTest { + + @Test + public void whenCalledIncrementCounter_thenCorrect() throws Exception { + ExecutorService executorService = Executors.newFixedThreadPool(2); + ReentrantLockCounter counter = new ReentrantLockCounter(); + Future future1 = (Future) executorService.submit(new ReentrantLockCounterCallable(counter)); + Future future2 = (Future) executorService.submit(new ReentrantLockCounterCallable(counter)); + + assertThat(future1.get()).isEqualTo(1); + assertThat(future2.get()).isEqualTo(2); + } +} diff --git a/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/ReentrantReadWriteLockCounterTest.java b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/ReentrantReadWriteLockCounterTest.java new file mode 100644 index 0000000000..c56137ce04 --- /dev/null +++ b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/ReentrantReadWriteLockCounterTest.java @@ -0,0 +1,24 @@ +package com.baeldung.concurrent.threadsafety.tests; + +import com.baeldung.concurrent.threadsafety.callables.ReentranReadWriteLockCounterCallable; +import com.baeldung.concurrent.threadsafety.services.ReentrantReadWriteLockCounter; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.Future; +import static org.assertj.core.api.Assertions.assertThat; +import org.junit.Test; + +public class ReentrantReadWriteLockCounterTest { + + @Test + public void whenCalledIncrementCounter_thenCorrect() throws Exception { + ExecutorService executorService = Executors.newFixedThreadPool(2); + ReentrantReadWriteLockCounter counter = new ReentrantReadWriteLockCounter(); + Future future1 = (Future) executorService.submit(new ReentranReadWriteLockCounterCallable(counter)); + Future future2 = (Future) executorService.submit(new ReentranReadWriteLockCounterCallable(counter)); + + assertThat(future1.get()).isEqualTo(1); + assertThat(future2.get()).isEqualTo(2); + } + +} diff --git a/core-java-concurrency/src/test/java/com/baeldung/completablefuture/CompletableFutureLongRunningUnitTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/completablefuture/CompletableFutureLongRunningUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/completablefuture/CompletableFutureLongRunningUnitTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/completablefuture/CompletableFutureLongRunningUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/callable/FactorialTaskManualTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/callable/FactorialTaskManualTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/callable/FactorialTaskManualTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/callable/FactorialTaskManualTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/executorservice/WaitingForThreadsToFinishManualTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/executorservice/WaitingForThreadsToFinishManualTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/executorservice/WaitingForThreadsToFinishManualTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/executorservice/WaitingForThreadsToFinishManualTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/future/FactorialSquareCalculatorUnitTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/future/FactorialSquareCalculatorUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/future/FactorialSquareCalculatorUnitTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/future/FactorialSquareCalculatorUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/future/SquareCalculatorIntegrationTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/future/SquareCalculatorIntegrationTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/future/SquareCalculatorIntegrationTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/future/SquareCalculatorIntegrationTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/runnable/RunnableVsThreadLiveTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/runnable/RunnableVsThreadLiveTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/runnable/RunnableVsThreadLiveTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/runnable/RunnableVsThreadLiveTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/stopping/StopThreadManualTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/stopping/StopThreadManualTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/stopping/StopThreadManualTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/stopping/StopThreadManualTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/synchronize/BaeldungSychronizedBlockUnitTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/synchronize/BaeldungSychronizedBlockUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/synchronize/BaeldungSychronizedBlockUnitTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/synchronize/BaeldungSychronizedBlockUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizeMethodsUnitTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizeMethodsUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizeMethodsUnitTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizeMethodsUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/waitandnotify/NetworkIntegrationTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/waitandnotify/NetworkIntegrationTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/waitandnotify/NetworkIntegrationTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/waitandnotify/NetworkIntegrationTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/java8/Java8ExecutorServiceIntegrationTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/java8/Java8ExecutorServiceIntegrationTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/java8/Java8ExecutorServiceIntegrationTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/java8/Java8ExecutorServiceIntegrationTest.java diff --git a/core-java-concurrency-basic/src/test/resources/.gitignore b/core-java-concurrency-basic/src/test/resources/.gitignore new file mode 100644 index 0000000000..83c05e60c8 --- /dev/null +++ b/core-java-concurrency-basic/src/test/resources/.gitignore @@ -0,0 +1,13 @@ +*.class + +#folders# +/target +/neoDb* +/data +/src/main/webapp/WEB-INF/classes +*/META-INF/* + +# Packaged files # +*.jar +*.war +*.ear \ No newline at end of file diff --git a/core-java-concurrency-collections/pom.xml b/core-java-concurrency-collections/pom.xml index 9473de8c51..e192bbe46f 100644 --- a/core-java-concurrency-collections/pom.xml +++ b/core-java-concurrency-collections/pom.xml @@ -4,8 +4,8 @@ com.baeldung core-java-concurrency-collections 0.1.0-SNAPSHOT - jar core-java-concurrency-collections + jar com.baeldung diff --git a/core-java-io/README.md b/core-java-io/README.md index 3d028783ed..5e0f7bfbd1 100644 --- a/core-java-io/README.md +++ b/core-java-io/README.md @@ -3,7 +3,7 @@ ## Core Java IO Cookbooks and Examples ### Relevant Articles: -- [Java - Reading a Large File Efficiently](http://www.baeldung.com/java-read-lines-large-file) +- [How to Read a Large File Efficiently with Java](http://www.baeldung.com/java-read-lines-large-file) - [Java InputStream to String](http://www.baeldung.com/convert-input-stream-to-string) - [Java – Write to File](http://www.baeldung.com/java-write-to-file) - [Java - Convert File to InputStream](http://www.baeldung.com/convert-file-to-input-stream) @@ -11,7 +11,7 @@ - [Java – Byte Array to Writer](http://www.baeldung.com/java-convert-byte-array-to-writer) - [Java – Directory Size](http://www.baeldung.com/java-folder-size) - [Differences Between the Java WatchService API and the Apache Commons IO Monitor Library](http://www.baeldung.com/java-watchservice-vs-apache-commons-io-monitor-library) -- [Calculate the Size of a File in Java](http://www.baeldung.com/java-file-size) +- [File Size in Java](http://www.baeldung.com/java-file-size) - [Comparing getPath(), getAbsolutePath(), and getCanonicalPath() in Java](http://www.baeldung.com/java-path) - [Using Java MappedByteBuffer](http://www.baeldung.com/java-mapped-byte-buffer) - [Copy a File with Java](http://www.baeldung.com/java-copy-file) @@ -35,3 +35,8 @@ - [Guide to Java OutputStream](https://www.baeldung.com/java-outputstream) - [Reading a CSV File into an Array](https://www.baeldung.com/java-csv-file-array) - [Guide to BufferedReader](https://www.baeldung.com/java-buffered-reader) +- [How to Get the File Extension of a File in Java](http://www.baeldung.com/java-file-extension) +- [Getting a File’s Mime Type in Java](http://www.baeldung.com/java-file-mime-type) +- [Create a Directory in Java](https://www.baeldung.com/java-create-directory) +- [How to Write to a CSV File in Java](https://www.baeldung.com/java-csv) +- [List Files in a Directory in Java](https://www.baeldung.com/java-list-directory-files) diff --git a/core-java-io/pom.xml b/core-java-io/pom.xml index ac5f1f7c2e..b6f8a317f6 100644 --- a/core-java-io/pom.xml +++ b/core-java-io/pom.xml @@ -3,8 +3,8 @@ 4.0.0 core-java-io 0.1.0-SNAPSHOT - jar core-java-io + jar com.baeldung @@ -160,6 +160,17 @@ ${opencsv.version} test + + + org.apache.tika + tika-core + ${tika.version} + + + net.sf.jmimemagic + jmimemagic + ${jmime-magic.version} + @@ -235,8 +246,6 @@ - - 2.9.7 3.5 @@ -248,7 +257,6 @@ 4.01 0.4 1.8.7 - 1.16.12 4.6-b01 1.13 0.6.5 @@ -264,6 +272,9 @@ 2.1.0.1 1.19 2.4.5 + + 1.18 + 0.1.5 \ No newline at end of file diff --git a/core-java-io/src/main/java/com/baeldung/csv/WriteCsvFileExample.java b/core-java-io/src/main/java/com/baeldung/csv/WriteCsvFileExample.java new file mode 100644 index 0000000000..f409d05b06 --- /dev/null +++ b/core-java-io/src/main/java/com/baeldung/csv/WriteCsvFileExample.java @@ -0,0 +1,22 @@ +package com.baeldung.csv; + +import java.util.stream.Collectors; +import java.util.stream.Stream; + +public class WriteCsvFileExample { + + public String convertToCSV(String[] data) { + return Stream.of(data) + .map(this::escapeSpecialCharacters) + .collect(Collectors.joining(",")); + } + + public String escapeSpecialCharacters(String data) { + String escapedData = data.replaceAll("\\R", " "); + if (data.contains(",") || data.contains("\"") || data.contains("'")) { + data = data.replace("\"", "\"\""); + escapedData = "\"" + data + "\""; + } + return escapedData; + } +} diff --git a/core-java/src/main/java/com/baeldung/extension/Extension.java b/core-java-io/src/main/java/com/baeldung/extension/Extension.java similarity index 100% rename from core-java/src/main/java/com/baeldung/extension/Extension.java rename to core-java-io/src/main/java/com/baeldung/extension/Extension.java diff --git a/core-java-io/src/main/java/com/baeldung/files/ListFiles.java b/core-java-io/src/main/java/com/baeldung/files/ListFiles.java new file mode 100644 index 0000000000..c5de36270c --- /dev/null +++ b/core-java-io/src/main/java/com/baeldung/files/ListFiles.java @@ -0,0 +1,64 @@ +package com.baeldung.files; + +import java.io.File; +import java.io.IOException; +import java.nio.file.DirectoryStream; +import java.nio.file.FileVisitResult; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.nio.file.SimpleFileVisitor; +import java.nio.file.attribute.BasicFileAttributes; +import java.util.HashSet; +import java.util.Set; +import java.util.stream.Collectors; +import java.util.stream.Stream; + +public class ListFiles { + public static final int DEPTH = 1; + + public Set listFilesUsingJavaIO(String dir) { + return Stream.of(new File(dir).listFiles()) + .filter(file -> !file.isDirectory()) + .map(File::getName) + .collect(Collectors.toSet()); + } + + public Set listFilesUsingFileWalk(String dir, int depth) throws IOException { + try (Stream stream = Files.walk(Paths.get(dir), depth)) { + return stream.filter(file -> !Files.isDirectory(file)) + .map(Path::getFileName) + .map(Path::toString) + .collect(Collectors.toSet()); + } + } + + public Set listFilesUsingFileWalkAndVisitor(String dir) throws IOException { + Set fileList = new HashSet<>(); + Files.walkFileTree(Paths.get(dir), new SimpleFileVisitor() { + @Override + public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException { + if (!Files.isDirectory(file)) { + fileList.add(file.getFileName() + .toString()); + } + return FileVisitResult.CONTINUE; + } + }); + return fileList; + } + + public Set listFilesUsingDirectoryStream(String dir) throws IOException { + Set fileList = new HashSet<>(); + try (DirectoryStream stream = Files.newDirectoryStream(Paths.get(dir))) { + for (Path path : stream) { + if (!Files.isDirectory(path)) { + fileList.add(path.getFileName() + .toString()); + } + } + } + return fileList; + } + +} diff --git a/core-java-io/src/test/java/com/baeldung/csv/WriteCsvFileExampleUnitTest.java b/core-java-io/src/test/java/com/baeldung/csv/WriteCsvFileExampleUnitTest.java new file mode 100644 index 0000000000..5f4827bc21 --- /dev/null +++ b/core-java-io/src/test/java/com/baeldung/csv/WriteCsvFileExampleUnitTest.java @@ -0,0 +1,85 @@ +package com.baeldung.csv; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertTrue; + +import java.io.File; +import java.io.FileNotFoundException; +import java.io.IOException; +import java.io.PrintWriter; +import java.util.ArrayList; +import java.util.List; + +import org.junit.Before; +import org.junit.Test; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class WriteCsvFileExampleUnitTest { + private static final Logger LOG = LoggerFactory.getLogger(WriteCsvFileExampleUnitTest.class); + + private WriteCsvFileExample csvExample; + + @Before + public void setupClass() { + csvExample = new WriteCsvFileExample(); + } + + @Test + public void givenCommaContainingData_whenEscapeSpecialCharacters_stringReturnedInQuotes() { + String data = "three,two,one"; + String escapedData = csvExample.escapeSpecialCharacters(data); + + String expectedData = "\"three,two,one\""; + assertEquals(expectedData, escapedData); + } + + @Test + public void givenQuoteContainingData_whenEscapeSpecialCharacters_stringReturnedFormatted() { + String data = "She said \"Hello\""; + String escapedData = csvExample.escapeSpecialCharacters(data); + + String expectedData = "\"She said \"\"Hello\"\"\""; + assertEquals(expectedData, escapedData); + } + + @Test + public void givenNewlineContainingData_whenEscapeSpecialCharacters_stringReturnedInQuotes() { + String dataNewline = "This contains\na newline"; + String dataCarriageReturn = "This contains\r\na newline and carriage return"; + String escapedDataNl = csvExample.escapeSpecialCharacters(dataNewline); + String escapedDataCr = csvExample.escapeSpecialCharacters(dataCarriageReturn); + + String expectedData = "This contains a newline"; + assertEquals(expectedData, escapedDataNl); + String expectedDataCr = "This contains a newline and carriage return"; + assertEquals(expectedDataCr, escapedDataCr); + } + + @Test + public void givenNonSpecialData_whenEscapeSpecialCharacters_stringReturnedUnchanged() { + String data = "This is nothing special"; + String returnedData = csvExample.escapeSpecialCharacters(data); + + assertEquals(data, returnedData); + } + + @Test + public void givenDataArray_whenConvertToCSV_thenOutputCreated() throws IOException { + List dataLines = new ArrayList(); + dataLines.add(new String[] { "John", "Doe", "38", "Comment Data\nAnother line of comment data" }); + dataLines.add(new String[] { "Jane", "Doe, Jr.", "19", "She said \"I'm being quoted\"" }); + + File csvOutputFile = File.createTempFile("exampleOutput", ".csv"); + try (PrintWriter pw = new PrintWriter(csvOutputFile)) { + dataLines.stream() + .map(csvExample::convertToCSV) + .forEach(pw::println); + } catch (FileNotFoundException e) { + LOG.error("IOException " + e.getMessage()); + } + + assertTrue(csvOutputFile.exists()); + csvOutputFile.deleteOnExit(); + } +} diff --git a/core-java-io/src/test/java/com/baeldung/directories/NewDirectoryUnitTest.java b/core-java-io/src/test/java/com/baeldung/directories/NewDirectoryUnitTest.java new file mode 100644 index 0000000000..d645782955 --- /dev/null +++ b/core-java-io/src/test/java/com/baeldung/directories/NewDirectoryUnitTest.java @@ -0,0 +1,100 @@ +package com.baeldung.directories; + +import org.junit.Before; +import org.junit.Test; + +import java.io.File; + +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; + +public class NewDirectoryUnitTest { + + private static final File TEMP_DIRECTORY = new File(System.getProperty("java.io.tmpdir")); + + @Before + public void beforeEach() { + File newDirectory = new File(TEMP_DIRECTORY, "new_directory"); + File nestedInNewDirectory = new File(newDirectory, "nested_directory"); + File existingDirectory = new File(TEMP_DIRECTORY, "existing_directory"); + File existingNestedDirectory = new File(existingDirectory, "existing_nested_directory"); + File nestedInExistingDirectory = new File(existingDirectory, "nested_directory"); + + nestedInNewDirectory.delete(); + newDirectory.delete(); + nestedInExistingDirectory.delete(); + existingDirectory.mkdir(); + existingNestedDirectory.mkdir(); + } + + @Test + public void givenUnexistingDirectory_whenMkdir_thenTrue() { + File newDirectory = new File(TEMP_DIRECTORY, "new_directory"); + assertFalse(newDirectory.exists()); + + boolean directoryCreated = newDirectory.mkdir(); + + assertTrue(directoryCreated); + } + + @Test + public void givenExistingDirectory_whenMkdir_thenFalse() { + File newDirectory = new File(TEMP_DIRECTORY, "new_directory"); + newDirectory.mkdir(); + assertTrue(newDirectory.exists()); + + boolean directoryCreated = newDirectory.mkdir(); + + assertFalse(directoryCreated); + } + + @Test + public void givenUnexistingNestedDirectories_whenMkdir_thenFalse() { + File newDirectory = new File(TEMP_DIRECTORY, "new_directory"); + File nestedDirectory = new File(newDirectory, "nested_directory"); + assertFalse(newDirectory.exists()); + assertFalse(nestedDirectory.exists()); + + boolean directoriesCreated = nestedDirectory.mkdir(); + + assertFalse(directoriesCreated); + } + + @Test + public void givenUnexistingNestedDirectories_whenMkdirs_thenTrue() { + File newDirectory = new File(System.getProperty("java.io.tmpdir") + File.separator + "new_directory"); + File nestedDirectory = new File(newDirectory, "nested_directory"); + assertFalse(newDirectory.exists()); + assertFalse(nestedDirectory.exists()); + + boolean directoriesCreated = nestedDirectory.mkdirs(); + + assertTrue(directoriesCreated); + } + + @Test + public void givenExistingParentDirectories_whenMkdirs_thenTrue() { + File newDirectory = new File(TEMP_DIRECTORY, "existing_directory"); + newDirectory.mkdir(); + File nestedDirectory = new File(newDirectory, "nested_directory"); + assertTrue(newDirectory.exists()); + assertFalse(nestedDirectory.exists()); + + boolean directoriesCreated = nestedDirectory.mkdirs(); + + assertTrue(directoriesCreated); + } + + @Test + public void givenExistingNestedDirectories_whenMkdirs_thenFalse() { + File existingDirectory = new File(TEMP_DIRECTORY, "existing_directory"); + File existingNestedDirectory = new File(existingDirectory, "existing_nested_directory"); + assertTrue(existingDirectory.exists()); + assertTrue(existingNestedDirectory.exists()); + + boolean directoriesCreated = existingNestedDirectory.mkdirs(); + + assertFalse(directoriesCreated); + } + +} diff --git a/core-java/src/test/java/com/baeldung/extension/ExtensionUnitTest.java b/core-java-io/src/test/java/com/baeldung/extension/ExtensionUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/extension/ExtensionUnitTest.java rename to core-java-io/src/test/java/com/baeldung/extension/ExtensionUnitTest.java diff --git a/core-java-io/src/test/java/com/baeldung/file/FilesClearDataUnitTest.java b/core-java-io/src/test/java/com/baeldung/file/FilesClearDataUnitTest.java new file mode 100644 index 0000000000..8302124f32 --- /dev/null +++ b/core-java-io/src/test/java/com/baeldung/file/FilesClearDataUnitTest.java @@ -0,0 +1,96 @@ +package com.baeldung.file; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +import java.io.BufferedWriter; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileOutputStream; +import java.io.FileWriter; +import java.io.IOException; +import java.io.PrintWriter; +import java.nio.channels.FileChannel; +import java.nio.charset.Charset; +import java.nio.file.Files; +import java.nio.file.Paths; +import java.nio.file.StandardOpenOption; + +import org.apache.commons.io.FileUtils; +import org.junit.After; +import org.junit.Before; +import org.junit.Test; + +import com.baeldung.util.StreamUtils; + +public class FilesClearDataUnitTest { + + public static final String FILE_PATH = "src/test/resources/fileexample.txt"; + + @Before + @After + public void setup() throws IOException { + PrintWriter writer = new PrintWriter(FILE_PATH); + writer.print("This example shows how we can delete the file contents without deleting the file"); + writer.close(); + } + + @Test + public void givenExistingFile_whenDeleteContentUsingPrintWritter_thenEmptyFile() throws IOException { + PrintWriter writer = new PrintWriter(FILE_PATH); + writer.print(""); + writer.close(); + assertEquals(0, StreamUtils.getStringFromInputStream(new FileInputStream(FILE_PATH)).length()); + } + + @Test + public void givenExistingFile_whenDeleteContentUsingPrintWritterWithougObject_thenEmptyFile() throws IOException { + new PrintWriter(FILE_PATH).close(); + assertEquals(0, StreamUtils.getStringFromInputStream(new FileInputStream(FILE_PATH)).length()); + } + + @Test + public void givenExistingFile_whenDeleteContentUsingFileWriter_thenEmptyFile() throws IOException { + new FileWriter(FILE_PATH, false).close(); + + assertEquals(0, StreamUtils.getStringFromInputStream(new FileInputStream(FILE_PATH)).length()); + } + + @Test + public void givenExistingFile_whenDeleteContentUsingFileOutputStream_thenEmptyFile() throws IOException { + new FileOutputStream(FILE_PATH).close(); + + assertEquals(0, StreamUtils.getStringFromInputStream(new FileInputStream(FILE_PATH)).length()); + } + + @Test + public void givenExistingFile_whenDeleteContentUsingFileUtils_thenEmptyFile() throws IOException { + FileUtils.write(new File(FILE_PATH), "", Charset.defaultCharset()); + + assertEquals(0, StreamUtils.getStringFromInputStream(new FileInputStream(FILE_PATH)).length()); + } + + @Test + public void givenExistingFile_whenDeleteContentUsingNIOFiles_thenEmptyFile() throws IOException { + BufferedWriter writer = Files.newBufferedWriter(Paths.get(FILE_PATH)); + writer.write(""); + writer.flush(); + + assertEquals(0, StreamUtils.getStringFromInputStream(new FileInputStream(FILE_PATH)).length()); + } + + @Test + public void givenExistingFile_whenDeleteContentUsingNIOFileChannel_thenEmptyFile() throws IOException { + FileChannel.open(Paths.get(FILE_PATH), StandardOpenOption.WRITE).truncate(0).close(); + + assertEquals(0, StreamUtils.getStringFromInputStream(new FileInputStream(FILE_PATH)).length()); + } + + @Test + public void givenExistingFile_whenDeleteContentUsingGuava_thenEmptyFile() throws IOException { + File file = new File(FILE_PATH); + byte[] empty = new byte[0]; + com.google.common.io.Files.write(empty, file); + + assertEquals(0, StreamUtils.getStringFromInputStream(new FileInputStream(FILE_PATH)).length()); + } +} diff --git a/core-java-io/src/test/java/com/baeldung/file/ListFilesUnitTest.java b/core-java-io/src/test/java/com/baeldung/file/ListFilesUnitTest.java new file mode 100644 index 0000000000..65710121cc --- /dev/null +++ b/core-java-io/src/test/java/com/baeldung/file/ListFilesUnitTest.java @@ -0,0 +1,46 @@ +package com.baeldung.file; + +import static org.junit.Assert.assertEquals; + +import java.io.IOException; +import java.util.HashSet; +import java.util.Set; + +import org.junit.Test; + +import com.baeldung.files.ListFiles; + +public class ListFilesUnitTest { + + private ListFiles listFiles = new ListFiles(); + private String DIRECTORY = "src/test/resources/listFilesUnitTestFolder"; + private static final int DEPTH = 1; + private Set EXPECTED_FILE_LIST = new HashSet() { + { + add("test.xml"); + add("employee.json"); + add("students.json"); + add("country.txt"); + } + }; + + @Test + public void givenDir_whenUsingJAVAIO_thenListAllFiles() throws IOException { + assertEquals(EXPECTED_FILE_LIST, listFiles.listFilesUsingJavaIO(DIRECTORY)); + } + + @Test + public void givenDir_whenWalkingTree_thenListAllFiles() throws IOException { + assertEquals(EXPECTED_FILE_LIST, listFiles.listFilesUsingFileWalk(DIRECTORY,DEPTH)); + } + + @Test + public void givenDir_whenWalkingTreeWithVisitor_thenListAllFiles() throws IOException { + assertEquals(EXPECTED_FILE_LIST, listFiles.listFilesUsingFileWalkAndVisitor(DIRECTORY)); + } + + @Test + public void givenDir_whenUsingDirectoryStream_thenListAllFiles() throws IOException { + assertEquals(EXPECTED_FILE_LIST, listFiles.listFilesUsingDirectoryStream(DIRECTORY)); + } +} diff --git a/core-java/src/test/java/com/baeldung/java/mimetype/MimeTypeUnitTest.java b/core-java-io/src/test/java/com/baeldung/java/mimetype/MimeTypeUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/java/mimetype/MimeTypeUnitTest.java rename to core-java-io/src/test/java/com/baeldung/java/mimetype/MimeTypeUnitTest.java diff --git a/core-java-io/src/test/java/org/baeldung/java/io/InputStreamToByteBufferUnitTest.java b/core-java-io/src/test/java/org/baeldung/java/io/InputStreamToByteBufferUnitTest.java new file mode 100644 index 0000000000..37f52fefea --- /dev/null +++ b/core-java-io/src/test/java/org/baeldung/java/io/InputStreamToByteBufferUnitTest.java @@ -0,0 +1,56 @@ +package org.baeldung.java.io; + +import com.google.common.io.ByteSource; +import com.google.common.io.ByteStreams; +import org.apache.commons.io.IOUtils; +import org.junit.Test; + +import java.io.ByteArrayInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.nio.ByteBuffer; +import java.nio.channels.ReadableByteChannel; + +import static java.nio.channels.Channels.newChannel; +import static org.junit.Assert.assertEquals; + +public class InputStreamToByteBufferUnitTest { + + @Test + public void givenUsingCoreClasses_whenByteArrayInputStreamToAByteBuffer_thenLengthMustMatch() throws IOException { + byte[] input = new byte[] { 0, 1, 2 }; + InputStream initialStream = new ByteArrayInputStream(input); + ByteBuffer byteBuffer = ByteBuffer.allocate(3); + while (initialStream.available() > 0) { + byteBuffer.put((byte) initialStream.read()); + } + + assertEquals(byteBuffer.position(), input.length); + } + + @Test + public void givenUsingGuava__whenByteArrayInputStreamToAByteBuffer_thenLengthMustMatch() throws IOException { + InputStream initialStream = ByteSource + .wrap(new byte[] { 0, 1, 2 }) + .openStream(); + byte[] targetArray = ByteStreams.toByteArray(initialStream); + ByteBuffer bufferByte = ByteBuffer.wrap(targetArray); + while (bufferByte.hasRemaining()) { + bufferByte.get(); + } + + assertEquals(bufferByte.position(), targetArray.length); + } + + @Test + public void givenUsingCommonsIo_whenByteArrayInputStreamToAByteBuffer_thenLengthMustMatch() throws IOException { + byte[] input = new byte[] { 0, 1, 2 }; + InputStream initialStream = new ByteArrayInputStream(input); + ByteBuffer byteBuffer = ByteBuffer.allocate(3); + ReadableByteChannel channel = newChannel(initialStream); + IOUtils.readFully(channel, byteBuffer); + + assertEquals(byteBuffer.position(), input.length); + } + +} diff --git a/core-java/src/test/resources/META-INF/mime.types b/core-java-io/src/test/resources/META-INF/mime.types similarity index 100% rename from core-java/src/test/resources/META-INF/mime.types rename to core-java-io/src/test/resources/META-INF/mime.types diff --git a/core-java-io/src/test/resources/fileexample.txt b/core-java-io/src/test/resources/fileexample.txt new file mode 100644 index 0000000000..ee48fdfb84 --- /dev/null +++ b/core-java-io/src/test/resources/fileexample.txt @@ -0,0 +1 @@ +This example shows how we can delete the file contents without deleting the file \ No newline at end of file diff --git a/core-java-io/src/test/resources/frontenac-2257154_960_720.jpg b/core-java-io/src/test/resources/frontenac-2257154_960_720.jpg new file mode 100644 index 0000000000..77c459b0e3 Binary files /dev/null and b/core-java-io/src/test/resources/frontenac-2257154_960_720.jpg differ diff --git a/core-java-io/src/test/resources/listFilesUnitTestFolder/country.txt b/core-java-io/src/test/resources/listFilesUnitTestFolder/country.txt new file mode 100644 index 0000000000..45bfe896dc --- /dev/null +++ b/core-java-io/src/test/resources/listFilesUnitTestFolder/country.txt @@ -0,0 +1 @@ +This is a sample txt file for unit test ListFilesUnitTest \ No newline at end of file diff --git a/core-java-io/src/test/resources/listFilesUnitTestFolder/employee.json b/core-java-io/src/test/resources/listFilesUnitTestFolder/employee.json new file mode 100644 index 0000000000..9e26dfeeb6 --- /dev/null +++ b/core-java-io/src/test/resources/listFilesUnitTestFolder/employee.json @@ -0,0 +1 @@ +{} \ No newline at end of file diff --git a/core-java-io/src/test/resources/listFilesUnitTestFolder/students.json b/core-java-io/src/test/resources/listFilesUnitTestFolder/students.json new file mode 100644 index 0000000000..9e26dfeeb6 --- /dev/null +++ b/core-java-io/src/test/resources/listFilesUnitTestFolder/students.json @@ -0,0 +1 @@ +{} \ No newline at end of file diff --git a/core-java-io/src/test/resources/listFilesUnitTestFolder/test.xml b/core-java-io/src/test/resources/listFilesUnitTestFolder/test.xml new file mode 100644 index 0000000000..19b16cc72c --- /dev/null +++ b/core-java-io/src/test/resources/listFilesUnitTestFolder/test.xml @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/core-java/src/test/resources/product.png b/core-java-io/src/test/resources/product.png similarity index 100% rename from core-java/src/test/resources/product.png rename to core-java-io/src/test/resources/product.png diff --git a/core-java-lang-oop/README.md b/core-java-lang-oop/README.md index 665178452c..200415fe21 100644 --- a/core-java-lang-oop/README.md +++ b/core-java-lang-oop/README.md @@ -20,4 +20,6 @@ - [Guide to the this Java Keyword](http://www.baeldung.com/java-this) - [Immutable Objects in Java](http://www.baeldung.com/java-immutable-object) - [Inheritance and Composition (Is-a vs Has-a relationship) in Java](http://www.baeldung.com/java-inheritance-composition) -- [A Guide to Constructors in Java](https://www.baeldung.com/java-constructors) \ No newline at end of file +- [A Guide to Constructors in Java](https://www.baeldung.com/java-constructors) +- [Java equals() and hashCode() Contracts](https://www.baeldung.com/java-equals-hashcode-contracts) +- [Marker Interfaces in Java](https://www.baeldung.com/java-marker-interfaces) diff --git a/core-java-lang-oop/pom.xml b/core-java-lang-oop/pom.xml index 262408c024..6763bbb26d 100644 --- a/core-java-lang-oop/pom.xml +++ b/core-java-lang-oop/pom.xml @@ -4,8 +4,8 @@ com.baeldung core-java-lang-oop 0.1.0-SNAPSHOT - jar core-java-lang-oop + jar com.baeldung @@ -82,7 +82,6 @@ 3.5 - 1.16.12 3.10.0 3.0.3 diff --git a/core-java-lang-oop/src/main/java/com/baeldung/markerinterface/DeletableShape.java b/core-java-lang-oop/src/main/java/com/baeldung/markerinterface/DeletableShape.java new file mode 100644 index 0000000000..7674407da8 --- /dev/null +++ b/core-java-lang-oop/src/main/java/com/baeldung/markerinterface/DeletableShape.java @@ -0,0 +1,5 @@ +package com.baeldung.markerinterface; + +public interface DeletableShape extends Shape { + +} diff --git a/core-java-lang-oop/src/main/java/com/baeldung/markerinterface/Rectangle.java b/core-java-lang-oop/src/main/java/com/baeldung/markerinterface/Rectangle.java new file mode 100644 index 0000000000..d64ffad0a2 --- /dev/null +++ b/core-java-lang-oop/src/main/java/com/baeldung/markerinterface/Rectangle.java @@ -0,0 +1,22 @@ +package com.baeldung.markerinterface; + +public class Rectangle implements DeletableShape { + + private double width; + private double height; + + public Rectangle(double width, double height) { + this.width = width; + this.height = height; + } + + @Override + public double getArea() { + return width * height; + } + + @Override + public double getCircumference() { + return 2 * (width + height); + } +} diff --git a/core-java-lang-oop/src/main/java/com/baeldung/markerinterface/Shape.java b/core-java-lang-oop/src/main/java/com/baeldung/markerinterface/Shape.java new file mode 100644 index 0000000000..2e53aefc03 --- /dev/null +++ b/core-java-lang-oop/src/main/java/com/baeldung/markerinterface/Shape.java @@ -0,0 +1,6 @@ +package com.baeldung.markerinterface; + +public interface Shape { + double getArea(); + double getCircumference(); +} \ No newline at end of file diff --git a/core-java-lang-oop/src/main/java/com/baeldung/markerinterface/ShapeDao.java b/core-java-lang-oop/src/main/java/com/baeldung/markerinterface/ShapeDao.java new file mode 100644 index 0000000000..bc988a793d --- /dev/null +++ b/core-java-lang-oop/src/main/java/com/baeldung/markerinterface/ShapeDao.java @@ -0,0 +1,14 @@ +package com.baeldung.markerinterface; + +public class ShapeDao { + + public boolean delete(Object object) { + if (!(object instanceof DeletableShape)) { + return false; + } + // Calling the code that deletes the entity from the database + + return true; + } + +} diff --git a/core-java-lang/src/test/java/com/baeldung/immutableobjects/ImmutableObjectsUnitTest.java b/core-java-lang-oop/src/test/java/com/baeldung/immutableobjects/ImmutableObjectsUnitTest.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/immutableobjects/ImmutableObjectsUnitTest.java rename to core-java-lang-oop/src/test/java/com/baeldung/immutableobjects/ImmutableObjectsUnitTest.java diff --git a/core-java-lang-oop/src/test/java/com/baeldung/markerinterface/MarkerInterfaceUnitTest.java b/core-java-lang-oop/src/test/java/com/baeldung/markerinterface/MarkerInterfaceUnitTest.java new file mode 100644 index 0000000000..70d32ba253 --- /dev/null +++ b/core-java-lang-oop/src/test/java/com/baeldung/markerinterface/MarkerInterfaceUnitTest.java @@ -0,0 +1,26 @@ +package com.baeldung.markerinterface; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +import org.junit.jupiter.api.Test; + +public class MarkerInterfaceUnitTest { + + @Test + public void givenDeletableObjectThenTrueReturned() { + ShapeDao shapeDao = new ShapeDao(); + Object rectangle = new Rectangle(2, 3); + + boolean result = shapeDao.delete(rectangle); + assertEquals(true, result); + } + + @Test + public void givenNonDeletableObjectThenFalseReturned() { + ShapeDao shapeDao = new ShapeDao(); + Object object = new Object(); + + boolean result = shapeDao.delete(object); + assertEquals(false, result); + } +} diff --git a/core-java-lang-syntax/.gitignore b/core-java-lang-syntax/.gitignore new file mode 100644 index 0000000000..374c8bf907 --- /dev/null +++ b/core-java-lang-syntax/.gitignore @@ -0,0 +1,25 @@ +*.class + +0.* + +#folders# +/target +/neoDb* +/data +/src/main/webapp/WEB-INF/classes +*/META-INF/* +.resourceCache + +# Packaged files # +*.jar +*.war +*.ear + +# Files generated by integration tests +backup-pom.xml +/bin/ +/temp + +#IntelliJ specific +.idea/ +*.iml \ No newline at end of file diff --git a/core-java-lang-syntax/README.md b/core-java-lang-syntax/README.md new file mode 100644 index 0000000000..81c3d6c354 --- /dev/null +++ b/core-java-lang-syntax/README.md @@ -0,0 +1,20 @@ +========= + +## Core Java Lang Syntax Cookbooks and Examples + +### Relevant Articles: +- [The Basics of Java Generics](http://www.baeldung.com/java-generics) +- [Java Primitive Conversions](http://www.baeldung.com/java-primitive-conversions) +- [Java Double Brace Initialization](http://www.baeldung.com/java-double-brace-initialization) +- [Guide to the Diamond Operator in Java](http://www.baeldung.com/java-diamond-operator) +- [The Java continue and break Keywords](http://www.baeldung.com/java-continue-and-break) +- [A Guide to Creating Objects in Java](http://www.baeldung.com/java-initialization) +- [A Guide to Java Loops](http://www.baeldung.com/java-loops) +- [Varargs in Java](http://www.baeldung.com/java-varargs) +- [A Guide to Java Enums](http://www.baeldung.com/a-guide-to-java-enums) +- [Infinite Loops in Java](http://www.baeldung.com/infinite-loops-java) +- [Quick Guide to java.lang.System](http://www.baeldung.com/java-lang-system) +- [Java Switch Statement](https://www.baeldung.com/java-switch) +- [The Modulo Operator in Java](https://www.baeldung.com/modulo-java) +- [Ternary Operator In Java](https://www.baeldung.com/java-ternary-operator) +- [Java instanceof Operator](https://www.baeldung.com/java-instanceof) diff --git a/core-java-lang-syntax/pom.xml b/core-java-lang-syntax/pom.xml new file mode 100644 index 0000000000..9a9df01057 --- /dev/null +++ b/core-java-lang-syntax/pom.xml @@ -0,0 +1,53 @@ + + 4.0.0 + com.baeldung + core-java-lang-syntax + 0.1.0-SNAPSHOT + core-java-lang-syntax + jar + + + com.baeldung + parent-java + 0.0.1-SNAPSHOT + ../parent-java + + + + + + log4j + log4j + ${log4j.version} + + + org.slf4j + log4j-over-slf4j + ${org.slf4j.version} + + + + org.assertj + assertj-core + ${assertj-core.version} + test + + + + + core-java-lang-syntax + + + src/main/resources + true + + + + + + + 3.10.0 + + + diff --git a/core-java-lang/src/main/java/com/baeldung/breakcontinue/BreakContinue.java b/core-java-lang-syntax/src/main/java/com/baeldung/breakcontinue/BreakContinue.java similarity index 100% rename from core-java-lang/src/main/java/com/baeldung/breakcontinue/BreakContinue.java rename to core-java-lang-syntax/src/main/java/com/baeldung/breakcontinue/BreakContinue.java diff --git a/core-java-lang/src/main/java/com/baeldung/enums/Pizza.java b/core-java-lang-syntax/src/main/java/com/baeldung/enums/Pizza.java similarity index 100% rename from core-java-lang/src/main/java/com/baeldung/enums/Pizza.java rename to core-java-lang-syntax/src/main/java/com/baeldung/enums/Pizza.java diff --git a/core-java-lang/src/main/java/com/baeldung/enums/PizzaDeliveryStrategy.java b/core-java-lang-syntax/src/main/java/com/baeldung/enums/PizzaDeliveryStrategy.java similarity index 100% rename from core-java-lang/src/main/java/com/baeldung/enums/PizzaDeliveryStrategy.java rename to core-java-lang-syntax/src/main/java/com/baeldung/enums/PizzaDeliveryStrategy.java diff --git a/core-java-lang/src/main/java/com/baeldung/enums/PizzaDeliverySystemConfiguration.java b/core-java-lang-syntax/src/main/java/com/baeldung/enums/PizzaDeliverySystemConfiguration.java similarity index 100% rename from core-java-lang/src/main/java/com/baeldung/enums/PizzaDeliverySystemConfiguration.java rename to core-java-lang-syntax/src/main/java/com/baeldung/enums/PizzaDeliverySystemConfiguration.java diff --git a/core-java-lang/src/main/java/com/baeldung/enums/README.md b/core-java-lang-syntax/src/main/java/com/baeldung/enums/README.md similarity index 100% rename from core-java-lang/src/main/java/com/baeldung/enums/README.md rename to core-java-lang-syntax/src/main/java/com/baeldung/enums/README.md diff --git a/core-java-lang/src/main/java/com/baeldung/generics/Building.java b/core-java-lang-syntax/src/main/java/com/baeldung/generics/Building.java similarity index 100% rename from core-java-lang/src/main/java/com/baeldung/generics/Building.java rename to core-java-lang-syntax/src/main/java/com/baeldung/generics/Building.java diff --git a/core-java-lang/src/main/java/com/baeldung/generics/Generics.java b/core-java-lang-syntax/src/main/java/com/baeldung/generics/Generics.java similarity index 100% rename from core-java-lang/src/main/java/com/baeldung/generics/Generics.java rename to core-java-lang-syntax/src/main/java/com/baeldung/generics/Generics.java diff --git a/core-java-lang/src/main/java/com/baeldung/generics/House.java b/core-java-lang-syntax/src/main/java/com/baeldung/generics/House.java similarity index 100% rename from core-java-lang/src/main/java/com/baeldung/generics/House.java rename to core-java-lang-syntax/src/main/java/com/baeldung/generics/House.java diff --git a/core-java-lang-syntax/src/main/java/com/baeldung/initializationguide/User.java b/core-java-lang-syntax/src/main/java/com/baeldung/initializationguide/User.java new file mode 100644 index 0000000000..e2e3f051dd --- /dev/null +++ b/core-java-lang-syntax/src/main/java/com/baeldung/initializationguide/User.java @@ -0,0 +1,53 @@ +package com.baeldung.initializationguide; + +import java.io.Serializable; + +public class User implements Serializable, Cloneable { + private static final long serialVersionUID = 1L; + static String forum; + private String name; + private int id; + + { + id = 0; + System.out.println("Instance Initializer"); + } + + static { + forum = "Java"; + System.out.println("Static Initializer"); + } + + public User(String name, int id) { + super(); + this.name = name; + this.id = id; + } + + public User() { + System.out.println("Constructor"); + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public int getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } + + @Override + protected Object clone() throws CloneNotSupportedException { + return this; + } + +} + diff --git a/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Circle.java b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Circle.java new file mode 100644 index 0000000000..231b2f5a59 --- /dev/null +++ b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Circle.java @@ -0,0 +1,5 @@ +package com.baeldung.keyword; + +public class Circle extends Round implements Shape { + +} diff --git a/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Ring.java b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Ring.java new file mode 100644 index 0000000000..99873f9640 --- /dev/null +++ b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Ring.java @@ -0,0 +1,4 @@ +package com.baeldung.keyword; + +public class Ring extends Round { +} diff --git a/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Round.java b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Round.java new file mode 100644 index 0000000000..0e2cc2c8c7 --- /dev/null +++ b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Round.java @@ -0,0 +1,4 @@ +package com.baeldung.keyword; + +public class Round { +} diff --git a/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Shape.java b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Shape.java new file mode 100644 index 0000000000..8d00c165a3 --- /dev/null +++ b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Shape.java @@ -0,0 +1,4 @@ +package com.baeldung.keyword; + +public interface Shape { +} diff --git a/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Triangle.java b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Triangle.java new file mode 100644 index 0000000000..406b8f23e5 --- /dev/null +++ b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Triangle.java @@ -0,0 +1,4 @@ +package com.baeldung.keyword; + +public class Triangle implements Shape { +} diff --git a/core-java-lang/src/main/java/com/baeldung/loops/InfiniteLoops.java b/core-java-lang-syntax/src/main/java/com/baeldung/loops/InfiniteLoops.java similarity index 100% rename from core-java-lang/src/main/java/com/baeldung/loops/InfiniteLoops.java rename to core-java-lang-syntax/src/main/java/com/baeldung/loops/InfiniteLoops.java diff --git a/core-java-lang/src/main/java/com/baeldung/loops/LoopsInJava.java b/core-java-lang-syntax/src/main/java/com/baeldung/loops/LoopsInJava.java similarity index 100% rename from core-java-lang/src/main/java/com/baeldung/loops/LoopsInJava.java rename to core-java-lang-syntax/src/main/java/com/baeldung/loops/LoopsInJava.java diff --git a/core-java-lang/src/main/java/com/baeldung/switchstatement/SwitchStatement.java b/core-java-lang-syntax/src/main/java/com/baeldung/switchstatement/SwitchStatement.java similarity index 100% rename from core-java-lang/src/main/java/com/baeldung/switchstatement/SwitchStatement.java rename to core-java-lang-syntax/src/main/java/com/baeldung/switchstatement/SwitchStatement.java diff --git a/core-java-lang/src/main/java/com/baeldung/system/ChatWindow.java b/core-java-lang-syntax/src/main/java/com/baeldung/system/ChatWindow.java similarity index 100% rename from core-java-lang/src/main/java/com/baeldung/system/ChatWindow.java rename to core-java-lang-syntax/src/main/java/com/baeldung/system/ChatWindow.java diff --git a/core-java-lang/src/main/java/com/baeldung/system/DateTimeService.java b/core-java-lang-syntax/src/main/java/com/baeldung/system/DateTimeService.java similarity index 100% rename from core-java-lang/src/main/java/com/baeldung/system/DateTimeService.java rename to core-java-lang-syntax/src/main/java/com/baeldung/system/DateTimeService.java diff --git a/core-java-lang/src/main/java/com/baeldung/system/EnvironmentVariables.java b/core-java-lang-syntax/src/main/java/com/baeldung/system/EnvironmentVariables.java similarity index 100% rename from core-java-lang/src/main/java/com/baeldung/system/EnvironmentVariables.java rename to core-java-lang-syntax/src/main/java/com/baeldung/system/EnvironmentVariables.java diff --git a/core-java-lang/src/main/java/com/baeldung/system/SystemErrDemo.java b/core-java-lang-syntax/src/main/java/com/baeldung/system/SystemErrDemo.java similarity index 100% rename from core-java-lang/src/main/java/com/baeldung/system/SystemErrDemo.java rename to core-java-lang-syntax/src/main/java/com/baeldung/system/SystemErrDemo.java diff --git a/core-java-lang/src/main/java/com/baeldung/system/SystemExitDemo.java b/core-java-lang-syntax/src/main/java/com/baeldung/system/SystemExitDemo.java similarity index 100% rename from core-java-lang/src/main/java/com/baeldung/system/SystemExitDemo.java rename to core-java-lang-syntax/src/main/java/com/baeldung/system/SystemExitDemo.java diff --git a/core-java-lang/src/main/java/com/baeldung/system/SystemOutDemo.java b/core-java-lang-syntax/src/main/java/com/baeldung/system/SystemOutDemo.java similarity index 100% rename from core-java-lang/src/main/java/com/baeldung/system/SystemOutDemo.java rename to core-java-lang-syntax/src/main/java/com/baeldung/system/SystemOutDemo.java diff --git a/core-java-lang/src/main/java/com/baeldung/system/UserCredentials.java b/core-java-lang-syntax/src/main/java/com/baeldung/system/UserCredentials.java similarity index 100% rename from core-java-lang/src/main/java/com/baeldung/system/UserCredentials.java rename to core-java-lang-syntax/src/main/java/com/baeldung/system/UserCredentials.java diff --git a/core-java-lang/src/test/java/com/baeldung/breakcontinue/BreakContinueUnitTest.java b/core-java-lang-syntax/src/test/java/com/baeldung/breakcontinue/BreakContinueUnitTest.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/breakcontinue/BreakContinueUnitTest.java rename to core-java-lang-syntax/src/test/java/com/baeldung/breakcontinue/BreakContinueUnitTest.java diff --git a/core-java-lang/src/test/java/com/baeldung/enums/PizzaUnitTest.java b/core-java-lang-syntax/src/test/java/com/baeldung/enums/PizzaUnitTest.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/enums/PizzaUnitTest.java rename to core-java-lang-syntax/src/test/java/com/baeldung/enums/PizzaUnitTest.java diff --git a/core-java-lang/src/test/java/com/baeldung/generics/GenericsUnitTest.java b/core-java-lang-syntax/src/test/java/com/baeldung/generics/GenericsUnitTest.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/generics/GenericsUnitTest.java rename to core-java-lang-syntax/src/test/java/com/baeldung/generics/GenericsUnitTest.java diff --git a/core-java-lang-syntax/src/test/java/com/baeldung/initializationguide/UserUnitTest.java b/core-java-lang-syntax/src/test/java/com/baeldung/initializationguide/UserUnitTest.java new file mode 100644 index 0000000000..f74384e6f7 --- /dev/null +++ b/core-java-lang-syntax/src/test/java/com/baeldung/initializationguide/UserUnitTest.java @@ -0,0 +1,37 @@ +package com.baeldung.initializationguide; +import org.junit.Before; +import org.junit.Test; + +import static org.assertj.core.api.Assertions.*; + +import java.lang.reflect.InvocationTargetException; + +public class UserUnitTest { + + @Test + public void givenUserInstance_whenIntializedWithNew_thenInstanceIsNotNull() { + User user = new User("Alice", 1); + assertThat(user).isNotNull(); + } + + @Test + public void givenUserInstance_whenInitializedWithReflection_thenInstanceIsNotNull() throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, NoSuchMethodException, SecurityException { + User user = User.class.getConstructor(String.class, int.class) + .newInstance("Alice", 2); + assertThat(user).isNotNull(); + } + + @Test + public void givenUserInstance_whenCopiedWithClone_thenExactMatchIsCreated() throws CloneNotSupportedException { + User user = new User("Alice", 3); + User clonedUser = (User) user.clone(); + assertThat(clonedUser).isEqualTo(user); + } + + @Test + public void givenUserInstance_whenValuesAreNotInitialized_thenUserNameAndIdReturnDefault() { + User user = new User(); + assertThat(user.getName()).isNull(); + assertThat(user.getId() == 0); + } +} diff --git a/core-java-lang/src/test/java/com/baeldung/java/diamond/Car.java b/core-java-lang-syntax/src/test/java/com/baeldung/java/diamond/Car.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/java/diamond/Car.java rename to core-java-lang-syntax/src/test/java/com/baeldung/java/diamond/Car.java diff --git a/core-java-lang/src/test/java/com/baeldung/java/diamond/DiamondOperatorUnitTest.java b/core-java-lang-syntax/src/test/java/com/baeldung/java/diamond/DiamondOperatorUnitTest.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/java/diamond/DiamondOperatorUnitTest.java rename to core-java-lang-syntax/src/test/java/com/baeldung/java/diamond/DiamondOperatorUnitTest.java diff --git a/core-java-lang/src/test/java/com/baeldung/java/diamond/Diesel.java b/core-java-lang-syntax/src/test/java/com/baeldung/java/diamond/Diesel.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/java/diamond/Diesel.java rename to core-java-lang-syntax/src/test/java/com/baeldung/java/diamond/Diesel.java diff --git a/core-java-lang/src/test/java/com/baeldung/java/diamond/Engine.java b/core-java-lang-syntax/src/test/java/com/baeldung/java/diamond/Engine.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/java/diamond/Engine.java rename to core-java-lang-syntax/src/test/java/com/baeldung/java/diamond/Engine.java diff --git a/core-java-lang/src/test/java/com/baeldung/java/diamond/Vehicle.java b/core-java-lang-syntax/src/test/java/com/baeldung/java/diamond/Vehicle.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/java/diamond/Vehicle.java rename to core-java-lang-syntax/src/test/java/com/baeldung/java/diamond/Vehicle.java diff --git a/core-java-lang/src/test/java/com/baeldung/java/doublebrace/DoubleBraceUnitTest.java b/core-java-lang-syntax/src/test/java/com/baeldung/java/doublebrace/DoubleBraceUnitTest.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/java/doublebrace/DoubleBraceUnitTest.java rename to core-java-lang-syntax/src/test/java/com/baeldung/java/doublebrace/DoubleBraceUnitTest.java diff --git a/core-java-lang-syntax/src/test/java/com/baeldung/keyword/test/InstanceOfUnitTest.java b/core-java-lang-syntax/src/test/java/com/baeldung/keyword/test/InstanceOfUnitTest.java new file mode 100644 index 0000000000..4c010e3a16 --- /dev/null +++ b/core-java-lang-syntax/src/test/java/com/baeldung/keyword/test/InstanceOfUnitTest.java @@ -0,0 +1,55 @@ +package com.baeldung.keyword.test; + +import org.junit.Assert; +import org.junit.jupiter.api.Test; + +import com.baeldung.keyword.Circle; +import com.baeldung.keyword.Ring; +import com.baeldung.keyword.Round; +import com.baeldung.keyword.Shape; +import com.baeldung.keyword.Triangle; + +public class InstanceOfUnitTest { + + @Test + public void giveWhenInstanceIsCorrect_thenReturnTrue() { + Ring ring = new Ring(); + Assert.assertTrue("ring is instance of Round ", ring instanceof Round); + } + + @Test + public void giveWhenObjectIsInstanceOfType_thenReturnTrue() { + Circle circle = new Circle(); + Assert.assertTrue("circle is instance of Circle ", circle instanceof Circle); + } + + + @Test + public void giveWhenInstanceIsOfSubtype_thenReturnTrue() { + Circle circle = new Circle(); + Assert.assertTrue("circle is instance of Round", circle instanceof Round); + } + + @Test + public void giveWhenTypeIsInterface_thenReturnTrue() { + Circle circle = new Circle(); + Assert.assertTrue("circle is instance of Shape", circle instanceof Shape); + } + + @Test + public void giveWhenTypeIsOfObjectType_thenReturnTrue() { + Thread thread = new Thread(); + Assert.assertTrue("thread is instance of Object", thread instanceof Object); + } + + @Test + public void giveWhenInstanceValueIsNull_thenReturnFalse() { + Circle circle = null; + Assert.assertFalse("circle is instance of Round", circle instanceof Round); + } + + @Test + public void giveWhenComparingClassInDiffHierarchy_thenCompilationError() { + // Assert.assertFalse("circle is instance of Triangle", circle instanceof Triangle); + } +} diff --git a/core-java-lang/src/test/java/com/baeldung/loops/WhenUsingLoops.java b/core-java-lang-syntax/src/test/java/com/baeldung/loops/WhenUsingLoops.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/loops/WhenUsingLoops.java rename to core-java-lang-syntax/src/test/java/com/baeldung/loops/WhenUsingLoops.java diff --git a/core-java-lang/src/test/java/com/baeldung/modulo/ModuloUnitTest.java b/core-java-lang-syntax/src/test/java/com/baeldung/modulo/ModuloUnitTest.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/modulo/ModuloUnitTest.java rename to core-java-lang-syntax/src/test/java/com/baeldung/modulo/ModuloUnitTest.java diff --git a/core-java-lang/src/test/java/com/baeldung/primitiveconversion/PrimitiveConversionsJUnitTest.java b/core-java-lang-syntax/src/test/java/com/baeldung/primitiveconversion/PrimitiveConversionsJUnitTest.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/primitiveconversion/PrimitiveConversionsJUnitTest.java rename to core-java-lang-syntax/src/test/java/com/baeldung/primitiveconversion/PrimitiveConversionsJUnitTest.java diff --git a/core-java-lang/src/test/java/com/baeldung/switchstatement/SwitchStatementUnitTest.java b/core-java-lang-syntax/src/test/java/com/baeldung/switchstatement/SwitchStatementUnitTest.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/switchstatement/SwitchStatementUnitTest.java rename to core-java-lang-syntax/src/test/java/com/baeldung/switchstatement/SwitchStatementUnitTest.java diff --git a/core-java-lang/src/test/java/com/baeldung/system/DateTimeServiceUnitTest.java b/core-java-lang-syntax/src/test/java/com/baeldung/system/DateTimeServiceUnitTest.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/system/DateTimeServiceUnitTest.java rename to core-java-lang-syntax/src/test/java/com/baeldung/system/DateTimeServiceUnitTest.java diff --git a/core-java-lang/src/test/java/com/baeldung/system/EnvironmentVariablesUnitTest.java b/core-java-lang-syntax/src/test/java/com/baeldung/system/EnvironmentVariablesUnitTest.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/system/EnvironmentVariablesUnitTest.java rename to core-java-lang-syntax/src/test/java/com/baeldung/system/EnvironmentVariablesUnitTest.java diff --git a/core-java-lang/src/test/java/com/baeldung/system/SystemArrayCopyUnitTest.java b/core-java-lang-syntax/src/test/java/com/baeldung/system/SystemArrayCopyUnitTest.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/system/SystemArrayCopyUnitTest.java rename to core-java-lang-syntax/src/test/java/com/baeldung/system/SystemArrayCopyUnitTest.java diff --git a/core-java-lang/src/test/java/com/baeldung/system/SystemNanoUnitTest.java b/core-java-lang-syntax/src/test/java/com/baeldung/system/SystemNanoUnitTest.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/system/SystemNanoUnitTest.java rename to core-java-lang-syntax/src/test/java/com/baeldung/system/SystemNanoUnitTest.java diff --git a/core-java-lang/src/test/java/com/baeldung/system/SystemPropertiesUnitTest.java b/core-java-lang-syntax/src/test/java/com/baeldung/system/SystemPropertiesUnitTest.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/system/SystemPropertiesUnitTest.java rename to core-java-lang-syntax/src/test/java/com/baeldung/system/SystemPropertiesUnitTest.java diff --git a/core-java-lang/src/test/java/com/baeldung/ternaryoperator/TernaryOperatorUnitTest.java b/core-java-lang-syntax/src/test/java/com/baeldung/ternaryoperator/TernaryOperatorUnitTest.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/ternaryoperator/TernaryOperatorUnitTest.java rename to core-java-lang-syntax/src/test/java/com/baeldung/ternaryoperator/TernaryOperatorUnitTest.java diff --git a/core-java-lang/src/test/java/com/baeldung/varargs/FormatterUnitTest.java b/core-java-lang-syntax/src/test/java/com/baeldung/varargs/FormatterUnitTest.java similarity index 100% rename from core-java-lang/src/test/java/com/baeldung/varargs/FormatterUnitTest.java rename to core-java-lang-syntax/src/test/java/com/baeldung/varargs/FormatterUnitTest.java diff --git a/core-java-lang/README.md b/core-java-lang/README.md index 56de6d2e82..eaedc93eed 100644 --- a/core-java-lang/README.md +++ b/core-java-lang/README.md @@ -4,10 +4,8 @@ ### Relevant Articles: - [Guide to Java Reflection](http://www.baeldung.com/java-reflection) -- [Introduction to Java Generics](http://www.baeldung.com/java-generics) - [Generate equals() and hashCode() with Eclipse](http://www.baeldung.com/java-eclipse-equals-and-hashcode) - [Chained Exceptions in Java](http://www.baeldung.com/java-chained-exceptions) -- [Java Primitive Conversions](http://www.baeldung.com/java-primitive-conversions) - [Call Methods at Runtime Using Java Reflection](http://www.baeldung.com/java-method-reflection) - [Iterating Over Enum Values in Java](http://www.baeldung.com/java-enum-iteration) - [Changing Annotation Parameters At Runtime](http://www.baeldung.com/java-reflection-change-annotation-params) @@ -17,8 +15,6 @@ - [Quick Example - Comparator vs Comparable in Java](http://www.baeldung.com/java-comparator-comparable) - [The Java continue and break Keywords](http://www.baeldung.com/java-continue-and-break) - [Nested Classes in Java](http://www.baeldung.com/java-nested-classes) -- [A Guide to Java Loops](http://www.baeldung.com/java-loops) -- [Varargs in Java](http://www.baeldung.com/java-varargs) - [A Guide to Inner Interfaces in Java](http://www.baeldung.com/java-inner-interfaces) - [Recursion In Java](http://www.baeldung.com/java-recursion) - [A Guide to the finalize Method in Java](http://www.baeldung.com/java-finalize) @@ -34,10 +30,15 @@ - [Static and Dynamic Binding in Java](https://www.baeldung.com/java-static-dynamic-binding) - [Difference Between Throw and Throws in Java](https://www.baeldung.com/java-throw-throws) - [Synthetic Constructs in Java](https://www.baeldung.com/java-synthetic) -- [Java Switch Statement](https://www.baeldung.com/java-switch) -- [The Modulo Operator in Java](https://www.baeldung.com/modulo-java) -- [Ternary Operator In Java](https://www.baeldung.com/java-ternary-operator) - [How to Separate Double into Integer and Decimal Parts](https://www.baeldung.com/java-separate-double-into-integer-decimal-parts) - [“Sneaky Throws” in Java](http://www.baeldung.com/java-sneaky-throws) - [Retrieving a Class Name in Java](https://www.baeldung.com/java-class-name) -- [Java equals() and hashCode() Contracts](https://www.baeldung.com/java-equals-hashcode-contracts) +- [Java Compound Operators](https://www.baeldung.com/java-compound-operators) +- [Guide to Java Packages](https://www.baeldung.com/java-packages) +- [The Java Native Keyword and Methods](https://www.baeldung.com/java-native) +- [If-Else Statement in Java](https://www.baeldung.com/java-if-else) +- [Control Structures in Java](https://www.baeldung.com/java-control-structures) +- [Java Interfaces](https://www.baeldung.com/java-interfaces) +- [Attaching Values to Java Enum](https://www.baeldung.com/java-enum-values) +- [Variable Scope in Java](https://www.baeldung.com/java-variable-scope) +- [Java Classes and Objects](https://www.baeldung.com/java-classes-objects) diff --git a/core-java/native/nativedatetimeutils.dll b/core-java-lang/native/nativedatetimeutils.dll similarity index 100% rename from core-java/native/nativedatetimeutils.dll rename to core-java-lang/native/nativedatetimeutils.dll diff --git a/core-java-lang/pom.xml b/core-java-lang/pom.xml index 283acab775..551c8e8505 100644 --- a/core-java-lang/pom.xml +++ b/core-java-lang/pom.xml @@ -4,8 +4,8 @@ com.baeldung core-java-lang 0.1.0-SNAPSHOT - jar core-java-lang + jar com.baeldung @@ -74,14 +74,10 @@ - - - 2.9.7 2.8.2 3.5 - 1.16.12 1.5.0-b01 diff --git a/core-java-lang/src/main/java/com/baeldung/enums/values/Element1.java b/core-java-lang/src/main/java/com/baeldung/enums/values/Element1.java new file mode 100644 index 0000000000..6c80adacb1 --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/enums/values/Element1.java @@ -0,0 +1,17 @@ +package com.baeldung.enums.values; + +/** + * This is a simple enum of periodic table elements + */ +public enum Element1 { + H, + HE, + LI, + BE, + B, + C, + N, + O, + F, + NE +} diff --git a/core-java-lang/src/main/java/com/baeldung/enums/values/Element2.java b/core-java-lang/src/main/java/com/baeldung/enums/values/Element2.java new file mode 100644 index 0000000000..28bf3a475a --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/enums/values/Element2.java @@ -0,0 +1,52 @@ +package com.baeldung.enums.values; + +/** + * The simple enum has been enhanced to add the name of the element. + */ +public enum Element2 { + H("Hydrogen"), + HE("Helium"), + LI("Lithium"), + BE("Beryllium"), + B("Boron"), + C("Carbon"), + N("Nitrogen"), + O("Oxygen"), + F("Flourine"), + NE("Neon"); + + /** a final variable to store the label, which can't be changed */ + public final String label; + + /** + * A private constructor that sets the label. + * @param label + */ + private Element2(String label) { + this.label = label; + } + + /** + * Look up Element2 instances by the label field. This implementation iterates through + * the values() list to find the label. + * @param label The label to look up + * @return The Element2 instance with the label, or null if not found. + */ + public static Element2 valueOfLabel(String label) { + for (Element2 e2 : values()) { + if (e2.label.equals(label)) { + return e2; + } + } + return null; + } + + /** + * Override the toString() method to return the label instead of the declared name. + * @return + */ + @Override + public String toString() { + return this.label; + } +} diff --git a/core-java-lang/src/main/java/com/baeldung/enums/values/Element3.java b/core-java-lang/src/main/java/com/baeldung/enums/values/Element3.java new file mode 100644 index 0000000000..cb98695de8 --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/enums/values/Element3.java @@ -0,0 +1,63 @@ +package com.baeldung.enums.values; + +import java.util.HashMap; +import java.util.Map; + +/** + * A Map has been added to cache labels for faster lookup. + */ +public enum Element3 { + H("Hydrogen"), + HE("Helium"), + LI("Lithium"), + BE("Beryllium"), + B("Boron"), + C("Carbon"), + N("Nitrogen"), + O("Oxygen"), + F("Flourine"), + NE("Neon"); + + /** + * A map to cache labels and their associated Element3 instances. + * Note that this only works if the labels are all unique! + */ + private static final Map BY_LABEL = new HashMap<>(); + + /** populate the BY_LABEL cache */ + static { + for (Element3 e3 : values()) { + BY_LABEL.put(e3.label, e3); + } + } + + /** a final variable to store the label, which can't be changed */ + public final String label; + + /** + * A private constructor that sets the label. + * @param label + */ + private Element3(String label) { + this.label = label; + } + + /** + * Look up Element2 instances by the label field. This implementation finds the + * label in the BY_LABEL cache. + * @param label The label to look up + * @return The Element3 instance with the label, or null if not found. + */ + public static Element3 valueOfLabel(String label) { + return BY_LABEL.get(label); + } + + /** + * Override the toString() method to return the label instead of the declared name. + * @return + */ + @Override + public String toString() { + return this.label; + } +} diff --git a/core-java-lang/src/main/java/com/baeldung/enums/values/Element4.java b/core-java-lang/src/main/java/com/baeldung/enums/values/Element4.java new file mode 100644 index 0000000000..89c45f9d1b --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/enums/values/Element4.java @@ -0,0 +1,95 @@ +package com.baeldung.enums.values; + +import java.util.HashMap; +import java.util.Map; + +/** + * Multiple fields have been added and the Labeled interface is implemented. + */ +public enum Element4 implements Labeled { + H("Hydrogen", 1, 1.008f), + HE("Helium", 2, 4.0026f), + LI("Lithium", 3, 6.94f), + BE("Beryllium", 4, 9.01722f), + B("Boron", 5, 10.81f), + C("Carbon", 6, 12.011f), + N("Nitrogen", 7, 14.007f), + O("Oxygen", 8, 15.999f), + F("Flourine", 9, 18.998f), + NE("Neon", 10, 20.180f); + /** + * Maps cache labels and their associated Element3 instances. + * Note that this only works if the values are all unique! + */ + private static final Map BY_LABEL = new HashMap<>(); + private static final Map BY_ATOMIC_NUMBER = new HashMap<>(); + private static final Map BY_ATOMIC_WEIGHT = new HashMap<>(); + + /** populate the caches */ + static { + for (Element4 e4 : values()) { + BY_LABEL.put(e4.label, e4); + BY_ATOMIC_NUMBER.put(e4.atomicNumber, e4); + BY_ATOMIC_WEIGHT.put(e4.atomicWeight, e4); + } + } + + /** final variables to store the values, which can't be changed */ + public final String label; + public final int atomicNumber; + public final float atomicWeight; + + private Element4(String label, int atomicNumber, float atomicWeight) { + this.label = label; + this.atomicNumber = atomicNumber; + this.atomicWeight = atomicWeight; + } + + /** + * Implement the Labeled interface. + * @return the label value + */ + @Override + public String label() { + return label; + } + + /** + * Look up Element2 instances by the label field. This implementation finds the + * label in the BY_LABEL cache. + * @param label The label to look up + * @return The Element4 instance with the label, or null if not found. + */ + public static Element4 valueOfLabel(String label) { + return BY_LABEL.get(label); + } + + /** + * Look up Element2 instances by the atomicNumber field. This implementation finds the + * atomicNUmber in the cache. + * @param number The atomicNumber to look up + * @return The Element4 instance with the label, or null if not found. + */ + public static Element4 valueOfAtomicNumber(int number) { + return BY_ATOMIC_NUMBER.get(number); + } + + /** + * Look up Element2 instances by the atomicWeight field. This implementation finds the + * atomic weight in the cache. + * @param weight the atomic weight to look up + * @return The Element4 instance with the label, or null if not found. + */ + public static Element4 valueOfAtomicWeight(float weight) { + return BY_ATOMIC_WEIGHT.get(weight); + } + + /** + * Override the toString() method to return the label instead of the declared name. + * @return + */ + @Override + public String toString() { + return this.label; + } +} diff --git a/core-java-lang/src/main/java/com/baeldung/enums/values/Labeled.java b/core-java-lang/src/main/java/com/baeldung/enums/values/Labeled.java new file mode 100644 index 0000000000..e41d6525f1 --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/enums/values/Labeled.java @@ -0,0 +1,5 @@ +package com.baeldung.enums.values; + +public interface Labeled { + String label(); +} diff --git a/core-java-lang/src/main/java/com/baeldung/interfaces/Box.java b/core-java-lang/src/main/java/com/baeldung/interfaces/Box.java new file mode 100644 index 0000000000..0bb6560465 --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/Box.java @@ -0,0 +1,5 @@ +package com.baeldung.interfaces; + +public interface Box extends HasColor { + int getHeight(); +} diff --git a/core-java-lang/src/main/java/com/baeldung/interfaces/Employee.java b/core-java-lang/src/main/java/com/baeldung/interfaces/Employee.java new file mode 100644 index 0000000000..8c6bd3f7f3 --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/Employee.java @@ -0,0 +1,14 @@ +package com.baeldung.interfaces; + +public class Employee { + + private double salary; + + public double getSalary() { + return salary; + } + + public void setSalary(double salary) { + this.salary = salary; + } +} diff --git a/core-java-lang/src/main/java/com/baeldung/interfaces/EmployeeSalaryComparator.java b/core-java-lang/src/main/java/com/baeldung/interfaces/EmployeeSalaryComparator.java new file mode 100644 index 0000000000..5c841b7c2b --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/EmployeeSalaryComparator.java @@ -0,0 +1,17 @@ +package com.baeldung.interfaces; + +import java.util.Comparator; + +public class EmployeeSalaryComparator implements Comparator { + + @Override + public int compare(Employee employeeA, Employee employeeB) { + if (employeeA.getSalary() < employeeB.getSalary()) { + return -1; + } else if (employeeA.getSalary() > employeeB.getSalary()) { + return 1; + } else { + return 0; + } + } +} diff --git a/core-java-lang/src/main/java/com/baeldung/interfaces/HasColor.java b/core-java-lang/src/main/java/com/baeldung/interfaces/HasColor.java new file mode 100644 index 0000000000..d9688ea866 --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/HasColor.java @@ -0,0 +1,4 @@ +package com.baeldung.interfaces; + +public interface HasColor { +} diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Vehicle.java b/core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Car.java similarity index 83% rename from core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Vehicle.java rename to core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Car.java index fb0d36e3e0..d9b30a1e7b 100644 --- a/core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Vehicle.java +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Car.java @@ -1,6 +1,7 @@ package com.baeldung.interfaces.multiinheritance; -public class Vehicle implements Fly, Transform { +public class Car implements Fly,Transform { + @Override public void fly() { System.out.println("I can Fly!!"); diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Fly.java b/core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Fly.java similarity index 69% rename from core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Fly.java rename to core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Fly.java index d84182aec6..611e51c67b 100644 --- a/core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Fly.java +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Fly.java @@ -1,5 +1,6 @@ package com.baeldung.interfaces.multiinheritance; -public abstract interface Fly{ +public interface Fly { + void fly(); } diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Transform.java b/core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Transform.java similarity index 52% rename from core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Transform.java rename to core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Transform.java index a18bbafdc1..8bdba43a05 100644 --- a/core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Transform.java +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Transform.java @@ -1,5 +1,10 @@ package com.baeldung.interfaces.multiinheritance; public interface Transform { + void transform(); + + default void printSpecs(){ + System.out.println("Transform Specification"); + } } diff --git a/core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Vehicle.java b/core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Vehicle.java new file mode 100644 index 0000000000..be25e112ee --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Vehicle.java @@ -0,0 +1,4 @@ +package com.baeldung.interfaces.multiinheritance; + +public abstract class Vehicle implements Transform { +} diff --git a/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/Circle.java b/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/Circle.java new file mode 100644 index 0000000000..b4d97bd53a --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/Circle.java @@ -0,0 +1,9 @@ +package com.baeldung.interfaces.polymorphysim; + +public class Circle implements Shape { + + @Override + public String name() { + return "Circle"; + } +} diff --git a/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/MainTestClass.java b/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/MainTestClass.java new file mode 100644 index 0000000000..5cce3c3af0 --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/MainTestClass.java @@ -0,0 +1,20 @@ +package com.baeldung.interfaces.polymorphysim; + +import java.util.ArrayList; +import java.util.List; + +public class MainTestClass { + + public static void main(String[] args) { + List shapes = new ArrayList<>(); + Shape circleShape = new Circle(); + Shape squareShape = new Square(); + + shapes.add(circleShape); + shapes.add(squareShape); + + for (Shape shape : shapes) { + System.out.println(shape.name()); + } + } +} diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/Shape.java b/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/Shape.java similarity index 51% rename from core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/Shape.java rename to core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/Shape.java index fcb0c65e7b..885dc73de2 100644 --- a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/Shape.java +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/Shape.java @@ -1,6 +1,6 @@ package com.baeldung.interfaces.polymorphysim; public interface Shape { - public abstract String name(); - public abstract double area(); + + String name(); } diff --git a/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/Square.java b/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/Square.java new file mode 100644 index 0000000000..c17bdd902d --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/Square.java @@ -0,0 +1,9 @@ +package com.baeldung.interfaces.polymorphysim; + +public class Square implements Shape { + + @Override + public String name() { + return "Square"; + } +} diff --git a/core-java/src/main/java/com/baeldung/nativekeyword/DateTimeUtils.java b/core-java-lang/src/main/java/com/baeldung/nativekeyword/DateTimeUtils.java similarity index 100% rename from core-java/src/main/java/com/baeldung/nativekeyword/DateTimeUtils.java rename to core-java-lang/src/main/java/com/baeldung/nativekeyword/DateTimeUtils.java diff --git a/core-java/src/main/java/com/baeldung/nativekeyword/NativeMainApp.java b/core-java-lang/src/main/java/com/baeldung/nativekeyword/NativeMainApp.java similarity index 100% rename from core-java/src/main/java/com/baeldung/nativekeyword/NativeMainApp.java rename to core-java-lang/src/main/java/com/baeldung/nativekeyword/NativeMainApp.java diff --git a/core-java-lang/src/main/java/com/baeldung/objects/Car.java b/core-java-lang/src/main/java/com/baeldung/objects/Car.java new file mode 100644 index 0000000000..35ef8585b2 --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/objects/Car.java @@ -0,0 +1,51 @@ +package com.baeldung.objects; + +public class Car { + + private String type; + private String model; + private String color; + private int speed; + + public Car(String type, String model, String color) { + this.type = type; + this.model = model; + this.color = color; + } + + public String getColor() { + return color; + } + + public void setColor(String color) { + this.color = color; + } + + public int getSpeed() { + return speed; + } + + public int increaseSpeed(int increment) { + if (increment > 0) { + this.speed += increment; + } else { + System.out.println("Increment can't be negative."); + } + return this.speed; + } + + public int decreaseSpeed(int decrement) { + if (decrement > 0 && decrement <= this.speed) { + this.speed -= decrement; + } else { + System.out.println("Decrement can't be negative or greater than current speed."); + } + return this.speed; + } + + @Override + public String toString() { + return "Car [type=" + type + ", model=" + model + ", color=" + color + ", speed=" + speed + "]"; + } + +} diff --git a/core-java-lang/src/main/java/com/baeldung/scope/BracketScopeExample.java b/core-java-lang/src/main/java/com/baeldung/scope/BracketScopeExample.java new file mode 100644 index 0000000000..8deec35c16 --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/scope/BracketScopeExample.java @@ -0,0 +1,14 @@ +package com.baeldung.scope; + +public class BracketScopeExample { + + public void mathOperationExample() { + Integer sum = 0; + { + Integer number = 2; + sum = sum + number; + } + // compiler error, number cannot be solved as a variable + // number++; + } +} \ No newline at end of file diff --git a/core-java-lang/src/main/java/com/baeldung/scope/ClassScopeExample.java b/core-java-lang/src/main/java/com/baeldung/scope/ClassScopeExample.java new file mode 100644 index 0000000000..c81fcc9550 --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/scope/ClassScopeExample.java @@ -0,0 +1,14 @@ +package com.baeldung.scope; + +public class ClassScopeExample { + + Integer amount = 0; + + public void exampleMethod() { + amount++; + } + + public void anotherExampleMethod() { + Integer anotherAmount = amount + 4; + } +} \ No newline at end of file diff --git a/core-java-lang/src/main/java/com/baeldung/scope/LoopScopeExample.java b/core-java-lang/src/main/java/com/baeldung/scope/LoopScopeExample.java new file mode 100644 index 0000000000..be41252623 --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/scope/LoopScopeExample.java @@ -0,0 +1,18 @@ +package com.baeldung.scope; + +import java.util.Arrays; +import java.util.List; + +public class LoopScopeExample { + + List listOfNames = Arrays.asList("Joe", "Susan", "Pattrick"); + + public void iterationOfNames() { + String allNames = ""; + for (String name : listOfNames) { + allNames = allNames + " " + name; + } + // compiler error, name cannot be resolved to a variable + // String lastNameUsed = name; + } +} diff --git a/core-java-lang/src/main/java/com/baeldung/scope/MethodScopeExample.java b/core-java-lang/src/main/java/com/baeldung/scope/MethodScopeExample.java new file mode 100644 index 0000000000..63a6a25271 --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/scope/MethodScopeExample.java @@ -0,0 +1,13 @@ +package com.baeldung.scope; + +public class MethodScopeExample { + + public void methodA() { + Integer area = 2; + } + + public void methodB() { + // compiler error, area cannot be resolved to a variable + // area = area + 2; + } +} \ No newline at end of file diff --git a/core-java-lang/src/main/java/com/baeldung/scope/NestedScopesExample.java b/core-java-lang/src/main/java/com/baeldung/scope/NestedScopesExample.java new file mode 100644 index 0000000000..c3c5bec221 --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/scope/NestedScopesExample.java @@ -0,0 +1,12 @@ +package com.baeldung.scope; + +public class NestedScopesExample { + + String title = "Baeldung"; + + public void printTitle() { + System.out.println(title); + String title = "John Doe"; + System.out.println(title); + } +} \ No newline at end of file diff --git a/core-java-lang/src/test/java/com/baeldung/enums/values/Element1UnitTest.java b/core-java-lang/src/test/java/com/baeldung/enums/values/Element1UnitTest.java new file mode 100644 index 0000000000..ab3e684230 --- /dev/null +++ b/core-java-lang/src/test/java/com/baeldung/enums/values/Element1UnitTest.java @@ -0,0 +1,48 @@ +package com.baeldung.enums.values; + +import org.junit.After; +import org.junit.AfterClass; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; +import static org.junit.Assert.*; + +/** + * + * @author chris + */ +public class Element1UnitTest { + + public Element1UnitTest() { + } + + @BeforeClass + public static void setUpClass() { + } + + @AfterClass + public static void tearDownClass() { + } + + @Before + public void setUp() { + } + + @After + public void tearDown() { + } + + @Test + public void whenAccessingToString_thenItShouldEqualName() { + for (Element1 e1 : Element1.values()) { + assertEquals(e1.name(), e1.toString()); + } + } + + @Test + public void whenCallingValueOf_thenReturnTheCorrectEnum() { + for (Element1 e1 : Element1.values()) { + assertSame(e1, Element1.valueOf(e1.name())); + } + } +} diff --git a/core-java-lang/src/test/java/com/baeldung/enums/values/Element2UnitTest.java b/core-java-lang/src/test/java/com/baeldung/enums/values/Element2UnitTest.java new file mode 100644 index 0000000000..02995a2f41 --- /dev/null +++ b/core-java-lang/src/test/java/com/baeldung/enums/values/Element2UnitTest.java @@ -0,0 +1,59 @@ +/* + * To change this license header, choose License Headers in Project Properties. + * To change this template file, choose Tools | Templates + * and open the template in the editor. + */ +package com.baeldung.enums.values; + +import org.junit.After; +import org.junit.AfterClass; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; +import static org.junit.Assert.*; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * + * @author chris + */ +public class Element2UnitTest { + private static final Logger LOGGER = LoggerFactory.getLogger(Element2UnitTest.class); + + public Element2UnitTest() { + } + + @BeforeClass + public static void setUpClass() { + } + + @AfterClass + public static void tearDownClass() { + } + + @Before + public void setUp() { + } + + @After + public void tearDown() { + } + + @Test + public void whenLocatebyLabel_thenReturnCorrectValue() { + for (Element2 e2 : Element2.values()) { + assertSame(e2, Element2.valueOfLabel(e2.label)); + } + } + + /** + * Test of toString method, of class Element2. + */ + @Test + public void whenCallingToString_thenReturnLabel() { + for (Element2 e2 : Element2.values()) { + assertEquals(e2.label, e2.toString()); + } + } +} diff --git a/core-java-lang/src/test/java/com/baeldung/enums/values/Element3UnitTest.java b/core-java-lang/src/test/java/com/baeldung/enums/values/Element3UnitTest.java new file mode 100644 index 0000000000..40c76a97b1 --- /dev/null +++ b/core-java-lang/src/test/java/com/baeldung/enums/values/Element3UnitTest.java @@ -0,0 +1,57 @@ +/* + * To change this license header, choose License Headers in Project Properties. + * To change this template file, choose Tools | Templates + * and open the template in the editor. + */ +package com.baeldung.enums.values; + +import org.junit.After; +import org.junit.AfterClass; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; +import static org.junit.Assert.*; + +/** + * + * @author chris + */ +public class Element3UnitTest { + + public Element3UnitTest() { + } + + @BeforeClass + public static void setUpClass() { + } + + @AfterClass + public static void tearDownClass() { + } + + @Before + public void setUp() { + } + + @After + public void tearDown() { + } + + @Test + public void whenLocatebyLabel_thenReturnCorrectValue() { + for (Element3 e3 : Element3.values()) { + assertSame(e3, Element3.valueOfLabel(e3.label)); + } + } + + /** + * Test of toString method, of class Element3. + */ + @Test + public void whenCallingToString_thenReturnLabel() { + for (Element3 e3 : Element3.values()) { + assertEquals(e3.label, e3.toString()); + } + } + +} diff --git a/core-java-lang/src/test/java/com/baeldung/enums/values/Element4UnitTest.java b/core-java-lang/src/test/java/com/baeldung/enums/values/Element4UnitTest.java new file mode 100644 index 0000000000..d349dcef72 --- /dev/null +++ b/core-java-lang/src/test/java/com/baeldung/enums/values/Element4UnitTest.java @@ -0,0 +1,71 @@ +/* + * To change this license header, choose License Headers in Project Properties. + * To change this template file, choose Tools | Templates + * and open the template in the editor. + */ +package com.baeldung.enums.values; + +import org.junit.After; +import org.junit.AfterClass; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; +import static org.junit.Assert.*; + +/** + * + * @author chris + */ +public class Element4UnitTest { + + public Element4UnitTest() { + } + + @BeforeClass + public static void setUpClass() { + } + + @AfterClass + public static void tearDownClass() { + } + + @Before + public void setUp() { + } + + @After + public void tearDown() { + } + + @Test + public void whenLocatebyLabel_thenReturnCorrectValue() { + for (Element4 e4 : Element4.values()) { + assertSame(e4, Element4.valueOfLabel(e4.label)); + } + } + + @Test + public void whenLocatebyAtmNum_thenReturnCorrectValue() { + for (Element4 e4 : Element4.values()) { + assertSame(e4, Element4.valueOfAtomicNumber(e4.atomicNumber)); + } + } + + @Test + public void whenLocatebyAtmWt_thenReturnCorrectValue() { + for (Element4 e4 : Element4.values()) { + assertSame(e4, Element4.valueOfAtomicWeight(e4.atomicWeight)); + } + } + + /** + * Test of toString method, of class Element4. + */ + @Test + public void whenCallingToString_thenReturnLabel() { + for (Element4 e4 : Element4.values()) { + assertEquals(e4.label, e4.toString()); + } + } + +} diff --git a/core-java-lang/src/test/java/com/baeldung/java/enumiteration/EnumIterationExamples.java b/core-java-lang/src/test/java/com/baeldung/java/enumiteration/EnumIterationExamples.java index 2d874fa650..110943e39f 100644 --- a/core-java-lang/src/test/java/com/baeldung/java/enumiteration/EnumIterationExamples.java +++ b/core-java-lang/src/test/java/com/baeldung/java/enumiteration/EnumIterationExamples.java @@ -1,18 +1,43 @@ package com.baeldung.java.enumiteration; +import java.util.ArrayList; +import java.util.Arrays; import java.util.EnumSet; +import java.util.List; + public class EnumIterationExamples { public static void main(String[] args) { - System.out.println("Enum iteration using forEach:"); + System.out.println("Enum iteration using EnumSet:"); EnumSet.allOf(DaysOfWeekEnum.class).forEach(day -> System.out.println(day)); System.out.println("Enum iteration using Stream:"); DaysOfWeekEnum.stream().filter(d -> d.getTypeOfDay().equals("off")).forEach(System.out::println); - System.out.println("Enum iteration using for loop:"); + System.out.println("Enum iteration using a for loop:"); for (DaysOfWeekEnum day : DaysOfWeekEnum.values()) { System.out.println(day); } + + System.out.println("Enum iteration using Arrays.asList():"); + Arrays.asList(DaysOfWeekEnum.values()).forEach(day -> System.out.println(day)); + + System.out.println("Add Enum values to ArrayList:"); + List days = new ArrayList<>(); + days.add(DaysOfWeekEnum.FRIDAY); + days.add(DaysOfWeekEnum.SATURDAY); + days.add(DaysOfWeekEnum.SUNDAY); + for (DaysOfWeekEnum day : days) { + System.out.println(day); + } + System.out.println("Remove SATURDAY from the list:"); + days.remove(DaysOfWeekEnum.SATURDAY); + if (!days.contains(DaysOfWeekEnum.SATURDAY)) { + System.out.println("Saturday is no longer in the list"); + } + for (DaysOfWeekEnum day : days) { + System.out.println(day); + } + } } diff --git a/core-java/src/test/java/com/baeldung/nativekeyword/DateTimeUtilsManualTest.java b/core-java-lang/src/test/java/com/baeldung/nativekeyword/DateTimeUtilsManualTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/nativekeyword/DateTimeUtilsManualTest.java rename to core-java-lang/src/test/java/com/baeldung/nativekeyword/DateTimeUtilsManualTest.java diff --git a/core-java-lang/src/test/java/com/baeldung/objects/CarUnitTest.java b/core-java-lang/src/test/java/com/baeldung/objects/CarUnitTest.java new file mode 100644 index 0000000000..a1ef20523e --- /dev/null +++ b/core-java-lang/src/test/java/com/baeldung/objects/CarUnitTest.java @@ -0,0 +1,38 @@ +package com.baeldung.objects; + +import static org.junit.Assert.*; + +import org.junit.Before; +import org.junit.Test; + +public class CarUnitTest { + + private Car car; + + @Before + public void setUp() throws Exception { + car = new Car("Ford", "Focus", "red"); + } + + @Test + public final void when_speedIncreased_then_verifySpeed() { + car.increaseSpeed(30); + assertEquals(30, car.getSpeed()); + + car.increaseSpeed(20); + assertEquals(50, car.getSpeed()); + } + + @Test + public final void when_speedDecreased_then_verifySpeed() { + car.increaseSpeed(50); + assertEquals(50, car.getSpeed()); + + car.decreaseSpeed(30); + assertEquals(20, car.getSpeed()); + + car.decreaseSpeed(20); + assertEquals(0, car.getSpeed()); + } + +} diff --git a/core-java-networking/README.md b/core-java-networking/README.md index 2cb2c52d3d..e76f28030d 100644 --- a/core-java-networking/README.md +++ b/core-java-networking/README.md @@ -8,4 +8,10 @@ - [Broadcasting and Multicasting in Java](http://www.baeldung.com/java-broadcast-multicast) - [A Guide To UDP In Java](http://www.baeldung.com/udp-in-java) - [Sending Emails with Java](http://www.baeldung.com/java-email) -- [Console I/O in Java](http://www.baeldung.com/java-console-input-output) \ No newline at end of file +- [A Guide To HTTP Cookies In Java](http://www.baeldung.com/cookies-java) +- [A Guide to the Java URL](http://www.baeldung.com/java-url) +- [Working with Network Interfaces in Java](http://www.baeldung.com/java-network-interfaces) +- [A Guide to Java Sockets](http://www.baeldung.com/a-guide-to-java-sockets) +- [Guide to Java URL Encoding/Decoding](http://www.baeldung.com/java-url-encoding-decoding) +- [Do a Simple HTTP Request in Java](http://www.baeldung.com/java-http-request) +- [Difference between URL and URI](http://www.baeldung.com/java-url-vs-uri) \ No newline at end of file diff --git a/core-java-networking/pom.xml b/core-java-networking/pom.xml index 7d7bf4bc95..12bb257fcb 100644 --- a/core-java-networking/pom.xml +++ b/core-java-networking/pom.xml @@ -3,8 +3,8 @@ 4.0.0 core-java-networking 0.1.0-SNAPSHOT - jar core-java-networking + jar com.baeldung @@ -19,6 +19,21 @@ mail ${javax.mail.version} + + commons-io + commons-io + ${commons-io.version} + + + org.springframework + spring-web + ${springframework.spring-web.version} + + + org.apache.commons + commons-lang3 + ${commons-lang3.version} + @@ -27,5 +42,8 @@ 1.5.0-b01 + 2.5 + 3.5 + 4.3.4.RELEASE diff --git a/core-java-networking/src/main/java/com/baeldung/http/FullResponseBuilder.java b/core-java-networking/src/main/java/com/baeldung/http/FullResponseBuilder.java new file mode 100644 index 0000000000..394255bd70 --- /dev/null +++ b/core-java-networking/src/main/java/com/baeldung/http/FullResponseBuilder.java @@ -0,0 +1,65 @@ +package com.baeldung.http; + +import java.io.BufferedReader; +import java.io.IOException; +import java.io.InputStreamReader; +import java.io.Reader; +import java.net.HttpURLConnection; +import java.util.Iterator; +import java.util.List; + +public class FullResponseBuilder { + public static String getFullResponse(HttpURLConnection con) throws IOException { + StringBuilder fullResponseBuilder = new StringBuilder(); + + fullResponseBuilder.append(con.getResponseCode()) + .append(" ") + .append(con.getResponseMessage()) + .append("\n"); + + con.getHeaderFields() + .entrySet() + .stream() + .filter(entry -> entry.getKey() != null) + .forEach(entry -> { + + fullResponseBuilder.append(entry.getKey()) + .append(": "); + + List headerValues = entry.getValue(); + Iterator it = headerValues.iterator(); + if (it.hasNext()) { + fullResponseBuilder.append(it.next()); + + while (it.hasNext()) { + fullResponseBuilder.append(", ") + .append(it.next()); + } + } + + fullResponseBuilder.append("\n"); + }); + + Reader streamReader = null; + + if (con.getResponseCode() > 299) { + streamReader = new InputStreamReader(con.getErrorStream()); + } else { + streamReader = new InputStreamReader(con.getInputStream()); + } + + BufferedReader in = new BufferedReader(streamReader); + String inputLine; + StringBuilder content = new StringBuilder(); + while ((inputLine = in.readLine()) != null) { + content.append(inputLine); + } + + in.close(); + + fullResponseBuilder.append("Response: ") + .append(content); + + return fullResponseBuilder.toString(); + } +} diff --git a/core-java/src/main/java/com/baeldung/http/ParameterStringBuilder.java b/core-java-networking/src/main/java/com/baeldung/http/ParameterStringBuilder.java similarity index 100% rename from core-java/src/main/java/com/baeldung/http/ParameterStringBuilder.java rename to core-java-networking/src/main/java/com/baeldung/http/ParameterStringBuilder.java diff --git a/core-java-networking/src/main/java/com/baeldung/networking/README.md b/core-java-networking/src/main/java/com/baeldung/networking/README.md deleted file mode 100644 index b9e827f085..0000000000 --- a/core-java-networking/src/main/java/com/baeldung/networking/README.md +++ /dev/null @@ -1,5 +0,0 @@ -### Relevant Articles: -- [A Guide To UDP In Java](http://www.baeldung.com/udp-in-java) -- [A Guide To HTTP Cookies In Java](http://www.baeldung.com/cookies-java) -- [A Guide to the Java URL](http://www.baeldung.com/java-url) -- [Working with Network Interfaces in Java](http://www.baeldung.com/java-network-interfaces) diff --git a/core-java/src/main/java/com/baeldung/javanetworking/uriurl/URIDemo.java b/core-java-networking/src/main/java/com/baeldung/networking/uriurl/URIDemo.java similarity index 98% rename from core-java/src/main/java/com/baeldung/javanetworking/uriurl/URIDemo.java rename to core-java-networking/src/main/java/com/baeldung/networking/uriurl/URIDemo.java index 121e0f5d72..91f6e21293 100644 --- a/core-java/src/main/java/com/baeldung/javanetworking/uriurl/URIDemo.java +++ b/core-java-networking/src/main/java/com/baeldung/networking/uriurl/URIDemo.java @@ -1,4 +1,4 @@ -package com.baeldung.javanetworking.uriurl; +package com.baeldung.networking.uriurl; import java.io.BufferedReader; import java.io.IOException; diff --git a/core-java/src/main/java/com/baeldung/javanetworking/uriurl/URLDemo.java b/core-java-networking/src/main/java/com/baeldung/networking/uriurl/URLDemo.java similarity index 98% rename from core-java/src/main/java/com/baeldung/javanetworking/uriurl/URLDemo.java rename to core-java-networking/src/main/java/com/baeldung/networking/uriurl/URLDemo.java index 109a9951d2..d257e7a295 100644 --- a/core-java/src/main/java/com/baeldung/javanetworking/uriurl/URLDemo.java +++ b/core-java-networking/src/main/java/com/baeldung/networking/uriurl/URLDemo.java @@ -1,4 +1,4 @@ -package com.baeldung.javanetworking.uriurl; +package com.baeldung.networking.uriurl; import java.io.BufferedReader; import java.io.IOException; diff --git a/core-java/src/main/java/com/baeldung/socket/EchoClient.java b/core-java-networking/src/main/java/com/baeldung/socket/EchoClient.java similarity index 100% rename from core-java/src/main/java/com/baeldung/socket/EchoClient.java rename to core-java-networking/src/main/java/com/baeldung/socket/EchoClient.java diff --git a/core-java/src/main/java/com/baeldung/socket/EchoMultiServer.java b/core-java-networking/src/main/java/com/baeldung/socket/EchoMultiServer.java similarity index 100% rename from core-java/src/main/java/com/baeldung/socket/EchoMultiServer.java rename to core-java-networking/src/main/java/com/baeldung/socket/EchoMultiServer.java diff --git a/core-java/src/main/java/com/baeldung/socket/EchoServer.java b/core-java-networking/src/main/java/com/baeldung/socket/EchoServer.java similarity index 100% rename from core-java/src/main/java/com/baeldung/socket/EchoServer.java rename to core-java-networking/src/main/java/com/baeldung/socket/EchoServer.java diff --git a/core-java/src/main/java/com/baeldung/socket/GreetClient.java b/core-java-networking/src/main/java/com/baeldung/socket/GreetClient.java similarity index 100% rename from core-java/src/main/java/com/baeldung/socket/GreetClient.java rename to core-java-networking/src/main/java/com/baeldung/socket/GreetClient.java diff --git a/core-java/src/main/java/com/baeldung/socket/GreetServer.java b/core-java-networking/src/main/java/com/baeldung/socket/GreetServer.java similarity index 100% rename from core-java/src/main/java/com/baeldung/socket/GreetServer.java rename to core-java-networking/src/main/java/com/baeldung/socket/GreetServer.java diff --git a/core-java/src/test/java/com/baeldung/encoderdecoder/EncoderDecoderUnitTest.java b/core-java-networking/src/test/java/com/baeldung/encoderdecoder/EncoderDecoderUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/encoderdecoder/EncoderDecoderUnitTest.java rename to core-java-networking/src/test/java/com/baeldung/encoderdecoder/EncoderDecoderUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/http/HttpRequestLiveTest.java b/core-java-networking/src/test/java/com/baeldung/http/HttpRequestLiveTest.java similarity index 64% rename from core-java/src/test/java/com/baeldung/http/HttpRequestLiveTest.java rename to core-java-networking/src/test/java/com/baeldung/http/HttpRequestLiveTest.java index acd6536ac4..bd6c0a4410 100644 --- a/core-java/src/test/java/com/baeldung/http/HttpRequestLiveTest.java +++ b/core-java-networking/src/test/java/com/baeldung/http/HttpRequestLiveTest.java @@ -1,12 +1,13 @@ package com.baeldung.http; -import org.apache.commons.lang.StringUtils; +import org.apache.commons.lang3.StringUtils; import org.junit.Test; import java.io.BufferedReader; import java.io.DataOutputStream; import java.io.IOException; import java.io.InputStreamReader; +import java.io.Reader; import java.net.CookieManager; import java.net.HttpCookie; import java.net.HttpURLConnection; @@ -48,7 +49,8 @@ public class HttpRequestLiveTest { in.close(); assertEquals("status code incorrect", status, 200); - assertTrue("content incorrect", content.toString().contains("Example Domain")); + assertTrue("content incorrect", content.toString() + .contains("Example Domain")); } @Test @@ -89,18 +91,24 @@ public class HttpRequestLiveTest { Optional usernameCookie = null; if (cookiesHeader != null) { List cookies = HttpCookie.parse(cookiesHeader); - cookies.forEach(cookie -> cookieManager.getCookieStore().add(null, cookie)); - usernameCookie = cookies.stream().findAny().filter(cookie -> cookie.getName().equals("username")); + cookies.forEach(cookie -> cookieManager.getCookieStore() + .add(null, cookie)); + usernameCookie = cookies.stream() + .findAny() + .filter(cookie -> cookie.getName() + .equals("username")); } if (usernameCookie == null) { - cookieManager.getCookieStore().add(null, new HttpCookie("username", "john")); + cookieManager.getCookieStore() + .add(null, new HttpCookie("username", "john")); } con.disconnect(); con = (HttpURLConnection) url.openConnection(); - con.setRequestProperty("Cookie", StringUtils.join(cookieManager.getCookieStore().getCookies(), ";")); + con.setRequestProperty("Cookie", StringUtils.join(cookieManager.getCookieStore() + .getCookies(), ";")); int status = con.getResponseCode(); @@ -125,4 +133,56 @@ public class HttpRequestLiveTest { assertEquals("status code incorrect", con.getResponseCode(), 200); } + @Test + public void whenFailedRequest_thenOk() throws IOException { + URL url = new URL("http://example.com"); + HttpURLConnection con = (HttpURLConnection) url.openConnection(); + con.setRequestMethod("POST"); + + con.setConnectTimeout(5000); + con.setReadTimeout(5000); + + int status = con.getResponseCode(); + + Reader streamReader = null; + + if (status > 299) { + streamReader = new InputStreamReader(con.getErrorStream()); + } else { + streamReader = new InputStreamReader(con.getInputStream()); + } + + BufferedReader in = new BufferedReader(streamReader); + String inputLine; + StringBuilder content = new StringBuilder(); + while ((inputLine = in.readLine()) != null) { + content.append(inputLine); + } + in.close(); + + con.disconnect(); + + assertEquals("status code incorrect", status, 411); + assertTrue("error content", content.toString() + .contains("411 - Length Required")); + } + + @Test + public void whenGetRequestFullResponse_thenOk() throws IOException { + URL url = new URL("http://example.com"); + HttpURLConnection con = (HttpURLConnection) url.openConnection(); + con.setRequestMethod("GET"); + + con.setConnectTimeout(5000); + con.setReadTimeout(5000); + + String fullResponse = FullResponseBuilder.getFullResponse(con); + + con.disconnect(); + + assertEquals("status code incorrect", con.getResponseCode(), 200); + assertTrue("header incorrect", fullResponse.contains("Content-Type: text/html; charset=UTF-8")); + assertTrue("response incorrect", fullResponse.contains("")); + } + } diff --git a/core-java/src/test/java/com/baeldung/java/networking/interfaces/NetworkInterfaceManualTest.java b/core-java-networking/src/test/java/com/baeldung/networking/interfaces/NetworkInterfaceManualTest.java similarity index 98% rename from core-java/src/test/java/com/baeldung/java/networking/interfaces/NetworkInterfaceManualTest.java rename to core-java-networking/src/test/java/com/baeldung/networking/interfaces/NetworkInterfaceManualTest.java index 8635a24f18..47a598f599 100644 --- a/core-java/src/test/java/com/baeldung/java/networking/interfaces/NetworkInterfaceManualTest.java +++ b/core-java-networking/src/test/java/com/baeldung/networking/interfaces/NetworkInterfaceManualTest.java @@ -1,4 +1,4 @@ -package com.baeldung.java.networking.interfaces; +package com.baeldung.networking.interfaces; import org.junit.Test; diff --git a/core-java/src/test/java/com/baeldung/javanetworking/uriurl/test/URIDemoLiveTest.java b/core-java-networking/src/test/java/com/baeldung/networking/uriurl/URIDemoLiveTest.java similarity index 95% rename from core-java/src/test/java/com/baeldung/javanetworking/uriurl/test/URIDemoLiveTest.java rename to core-java-networking/src/test/java/com/baeldung/networking/uriurl/URIDemoLiveTest.java index 0c312ff613..3b73cc0943 100644 --- a/core-java/src/test/java/com/baeldung/javanetworking/uriurl/test/URIDemoLiveTest.java +++ b/core-java-networking/src/test/java/com/baeldung/networking/uriurl/URIDemoLiveTest.java @@ -1,4 +1,4 @@ -package com.baeldung.javanetworking.uriurl.test; +package com.baeldung.networking.uriurl; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertNotNull; @@ -20,7 +20,7 @@ import org.junit.Test; import org.slf4j.Logger; import org.slf4j.LoggerFactory; -import com.baeldung.javanetworking.uriurl.URLDemo; +import com.baeldung.networking.uriurl.URLDemo; @FixMethodOrder public class URIDemoLiveTest { diff --git a/core-java/src/test/java/com/baeldung/javanetworking/uriurl/URIvsURLUnitTest.java b/core-java-networking/src/test/java/com/baeldung/networking/uriurl/URIvsURLUnitTest.java similarity index 98% rename from core-java/src/test/java/com/baeldung/javanetworking/uriurl/URIvsURLUnitTest.java rename to core-java-networking/src/test/java/com/baeldung/networking/uriurl/URIvsURLUnitTest.java index 8837dc5556..ec1cb4c0c9 100644 --- a/core-java/src/test/java/com/baeldung/javanetworking/uriurl/URIvsURLUnitTest.java +++ b/core-java-networking/src/test/java/com/baeldung/networking/uriurl/URIvsURLUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.javanetworking.uriurl; +package com.baeldung.networking.uriurl; import java.io.IOException; import java.net.MalformedURLException; diff --git a/core-java/src/test/java/com/baeldung/javanetworking/uriurl/test/URLDemoLiveTest.java b/core-java-networking/src/test/java/com/baeldung/networking/uriurl/URLDemoLiveTest.java similarity index 97% rename from core-java/src/test/java/com/baeldung/javanetworking/uriurl/test/URLDemoLiveTest.java rename to core-java-networking/src/test/java/com/baeldung/networking/uriurl/URLDemoLiveTest.java index 15f53ed878..a9104311e6 100644 --- a/core-java/src/test/java/com/baeldung/javanetworking/uriurl/test/URLDemoLiveTest.java +++ b/core-java-networking/src/test/java/com/baeldung/networking/uriurl/URLDemoLiveTest.java @@ -1,4 +1,4 @@ -package com.baeldung.javanetworking.uriurl.test; +package com.baeldung.networking.uriurl; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertNotNull; @@ -18,7 +18,7 @@ import org.junit.Test; import org.slf4j.Logger; import org.slf4j.LoggerFactory; -import com.baeldung.javanetworking.uriurl.URLDemo; +import com.baeldung.networking.uriurl.URLDemo; @FixMethodOrder public class URLDemoLiveTest { diff --git a/core-java/src/test/java/com/baeldung/java/networking/url/UrlUnitTest.java b/core-java-networking/src/test/java/com/baeldung/networking/url/UrlUnitTest.java similarity index 98% rename from core-java/src/test/java/com/baeldung/java/networking/url/UrlUnitTest.java rename to core-java-networking/src/test/java/com/baeldung/networking/url/UrlUnitTest.java index 505d9595ab..112f2cf53f 100644 --- a/core-java/src/test/java/com/baeldung/java/networking/url/UrlUnitTest.java +++ b/core-java-networking/src/test/java/com/baeldung/networking/url/UrlUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.java.networking.url; +package com.baeldung.networking.url; import static org.junit.Assert.assertEquals; diff --git a/core-java/src/test/java/com/baeldung/socket/EchoIntegrationTest.java b/core-java-networking/src/test/java/com/baeldung/socket/EchoIntegrationTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/socket/EchoIntegrationTest.java rename to core-java-networking/src/test/java/com/baeldung/socket/EchoIntegrationTest.java diff --git a/core-java/src/test/java/com/baeldung/socket/GreetServerIntegrationTest.java b/core-java-networking/src/test/java/com/baeldung/socket/GreetServerIntegrationTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/socket/GreetServerIntegrationTest.java rename to core-java-networking/src/test/java/com/baeldung/socket/GreetServerIntegrationTest.java diff --git a/core-java/src/test/java/com/baeldung/socket/SocketEchoMultiIntegrationTest.java b/core-java-networking/src/test/java/com/baeldung/socket/SocketEchoMultiIntegrationTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/socket/SocketEchoMultiIntegrationTest.java rename to core-java-networking/src/test/java/com/baeldung/socket/SocketEchoMultiIntegrationTest.java diff --git a/core-java-perf/README.md b/core-java-perf/README.md new file mode 100644 index 0000000000..1b3b590bf8 --- /dev/null +++ b/core-java-perf/README.md @@ -0,0 +1,9 @@ +## Core Java Performance + +### Relevant Articles: +- [Verbose Garbage Collection in Java](https://www.baeldung.com/java-verbose-gc) +- [Different Ways to Capture Java Heap Dumps](https://www.baeldung.com/java-heap-dump-capture) +- [Understanding Memory Leaks in Java](https://www.baeldung.com/java-memory-leaks) +- [OutOfMemoryError: GC Overhead Limit Exceeded](http://www.baeldung.com/java-gc-overhead-limit-exceeded) +- [Basic Introduction to JMX](http://www.baeldung.com/java-management-extensions) +- [Monitoring Java Applications with Flight Recorder](https://www.baeldung.com/java-flight-recorder-monitoring) diff --git a/core-java-perf/pom.xml b/core-java-perf/pom.xml new file mode 100644 index 0000000000..0e0ec79691 --- /dev/null +++ b/core-java-perf/pom.xml @@ -0,0 +1,33 @@ + + 4.0.0 + com.baeldung + core-java-perf + 0.1.0-SNAPSHOT + core-java-perf + jar + + + com.baeldung + parent-java + 0.0.1-SNAPSHOT + ../parent-java + + + + + org.apache.commons + commons-lang3 + ${commons-lang3.version} + + + + + + + + 3.8.1 + + + + diff --git a/core-java-perf/src/main/java/com/baeldung/flightrecorder/FlightRecorder.java b/core-java-perf/src/main/java/com/baeldung/flightrecorder/FlightRecorder.java new file mode 100644 index 0000000000..02c3e96124 --- /dev/null +++ b/core-java-perf/src/main/java/com/baeldung/flightrecorder/FlightRecorder.java @@ -0,0 +1,32 @@ +package com.baeldung.flightrecorder; + +import java.util.ArrayList; +import java.util.List; + +/** + * Simple program that illustrates how to use Java Flight Recorder. + * + * This programs creates a list, inserts objects in it until + * an OutOfMemoryError is thrown. + * + */ +public class FlightRecorder { + + public static void main(String[] args) { + List items = new ArrayList<>(1); + try { + while (true) { + items.add(new Object()); + } + } catch (OutOfMemoryError e) { + System.out.println(e.getMessage()); + } + assert items.size() > 0; + try { + Thread.sleep(1000); + } catch (InterruptedException e) { + System.out.println(e.getMessage()); + } + } + +} diff --git a/core-java/src/main/java/com/baeldung/gc/VerboseGarbageCollectorRunner.java b/core-java-perf/src/main/java/com/baeldung/gc/VerboseGarbageCollectorRunner.java similarity index 100% rename from core-java/src/main/java/com/baeldung/gc/VerboseGarbageCollectorRunner.java rename to core-java-perf/src/main/java/com/baeldung/gc/VerboseGarbageCollectorRunner.java diff --git a/core-java/src/main/java/com/baeldung/heapdump/HeapDump.java b/core-java-perf/src/main/java/com/baeldung/heapdump/HeapDump.java similarity index 100% rename from core-java/src/main/java/com/baeldung/heapdump/HeapDump.java rename to core-java-perf/src/main/java/com/baeldung/heapdump/HeapDump.java diff --git a/core-java/src/main/java/com/baeldung/jmx/Game.java b/core-java-perf/src/main/java/com/baeldung/jmx/Game.java similarity index 100% rename from core-java/src/main/java/com/baeldung/jmx/Game.java rename to core-java-perf/src/main/java/com/baeldung/jmx/Game.java diff --git a/core-java/src/main/java/com/baeldung/jmx/GameMBean.java b/core-java-perf/src/main/java/com/baeldung/jmx/GameMBean.java similarity index 100% rename from core-java/src/main/java/com/baeldung/jmx/GameMBean.java rename to core-java-perf/src/main/java/com/baeldung/jmx/GameMBean.java diff --git a/core-java/src/main/java/com/baeldung/jmx/JMXTutorialMainlauncher.java b/core-java-perf/src/main/java/com/baeldung/jmx/JMXTutorialMainlauncher.java similarity index 100% rename from core-java/src/main/java/com/baeldung/jmx/JMXTutorialMainlauncher.java rename to core-java-perf/src/main/java/com/baeldung/jmx/JMXTutorialMainlauncher.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/equalshashcode/Person.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/equalshashcode/Person.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/equalshashcode/Person.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/equalshashcode/Person.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/equalshashcode/PersonOptimized.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/equalshashcode/PersonOptimized.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/equalshashcode/PersonOptimized.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/equalshashcode/PersonOptimized.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/finalize/BulkyObject.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/finalize/BulkyObject.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/finalize/BulkyObject.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/finalize/BulkyObject.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/finalize/BulkyObjectOptimized.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/finalize/BulkyObjectOptimized.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/finalize/BulkyObjectOptimized.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/finalize/BulkyObjectOptimized.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/innerclass/BulkyObject.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/innerclass/BulkyObject.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/innerclass/BulkyObject.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/innerclass/BulkyObject.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/innerclass/InnerClassDriver.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/innerclass/InnerClassDriver.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/innerclass/InnerClassDriver.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/innerclass/InnerClassDriver.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/innerclass/InnerClassWrapper.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/innerclass/InnerClassWrapper.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/innerclass/InnerClassWrapper.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/innerclass/InnerClassWrapper.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/innerclass/StaticNestedClassWrapper.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/innerclass/StaticNestedClassWrapper.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/innerclass/StaticNestedClassWrapper.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/innerclass/StaticNestedClassWrapper.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/internedstrings/InternedString.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/internedstrings/InternedString.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/internedstrings/InternedString.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/internedstrings/InternedString.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/internedstrings/ReadStringFromFileUtil.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/internedstrings/ReadStringFromFileUtil.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/internedstrings/ReadStringFromFileUtil.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/internedstrings/ReadStringFromFileUtil.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/internedstrings/StringObject.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/internedstrings/StringObject.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/internedstrings/StringObject.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/internedstrings/StringObject.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/staticfields/NonStaticFieldsDemo.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/staticfields/NonStaticFieldsDemo.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/staticfields/NonStaticFieldsDemo.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/staticfields/NonStaticFieldsDemo.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/staticfields/StaticFieldsDemo.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/staticfields/StaticFieldsDemo.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/staticfields/StaticFieldsDemo.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/staticfields/StaticFieldsDemo.java diff --git a/core-java/src/main/java/com/baeldung/outofmemoryerror/OutOfMemoryGCLimitExceed.java b/core-java-perf/src/main/java/com/baeldung/outofmemoryerror/OutOfMemoryGCLimitExceed.java similarity index 100% rename from core-java/src/main/java/com/baeldung/outofmemoryerror/OutOfMemoryGCLimitExceed.java rename to core-java-perf/src/main/java/com/baeldung/outofmemoryerror/OutOfMemoryGCLimitExceed.java diff --git a/core-java-perf/src/main/resources/logback.xml b/core-java-perf/src/main/resources/logback.xml new file mode 100644 index 0000000000..56af2d397e --- /dev/null +++ b/core-java-perf/src/main/resources/logback.xml @@ -0,0 +1,19 @@ + + + + + %d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n + + + + + + + + + + + + + + \ No newline at end of file diff --git a/core-java/src/test/java/com/baeldung/memoryleaks/equalshashcode/PersonMemoryLeakUnitTest.java b/core-java-perf/src/test/java/com/baeldung/memoryleaks/equalshashcode/PersonMemoryLeakUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/memoryleaks/equalshashcode/PersonMemoryLeakUnitTest.java rename to core-java-perf/src/test/java/com/baeldung/memoryleaks/equalshashcode/PersonMemoryLeakUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/memoryleaks/finalize/FinalizeMemoryLeakUnitTest.java b/core-java-perf/src/test/java/com/baeldung/memoryleaks/finalize/FinalizeMemoryLeakUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/memoryleaks/finalize/FinalizeMemoryLeakUnitTest.java rename to core-java-perf/src/test/java/com/baeldung/memoryleaks/finalize/FinalizeMemoryLeakUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/memoryleaks/innerclass/StaticInnerClassMemoryLeakUnitTest.java b/core-java-perf/src/test/java/com/baeldung/memoryleaks/innerclass/StaticInnerClassMemoryLeakUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/memoryleaks/innerclass/StaticInnerClassMemoryLeakUnitTest.java rename to core-java-perf/src/test/java/com/baeldung/memoryleaks/innerclass/StaticInnerClassMemoryLeakUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/memoryleaks/internedstrings/StringInternMemoryLeakUnitTest.java b/core-java-perf/src/test/java/com/baeldung/memoryleaks/internedstrings/StringInternMemoryLeakUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/memoryleaks/internedstrings/StringInternMemoryLeakUnitTest.java rename to core-java-perf/src/test/java/com/baeldung/memoryleaks/internedstrings/StringInternMemoryLeakUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/memoryleaks/staticfields/NonStaticFieldsMemoryLeakUnitTest.java b/core-java-perf/src/test/java/com/baeldung/memoryleaks/staticfields/NonStaticFieldsMemoryLeakUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/memoryleaks/staticfields/NonStaticFieldsMemoryLeakUnitTest.java rename to core-java-perf/src/test/java/com/baeldung/memoryleaks/staticfields/NonStaticFieldsMemoryLeakUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/memoryleaks/staticfields/StaticFieldsMemoryLeakUnitTest.java b/core-java-perf/src/test/java/com/baeldung/memoryleaks/staticfields/StaticFieldsMemoryLeakUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/memoryleaks/staticfields/StaticFieldsMemoryLeakUnitTest.java rename to core-java-perf/src/test/java/com/baeldung/memoryleaks/staticfields/StaticFieldsMemoryLeakUnitTest.java diff --git a/core-java-security/README.md b/core-java-security/README.md new file mode 100644 index 0000000000..9526b15be5 --- /dev/null +++ b/core-java-security/README.md @@ -0,0 +1,12 @@ +## Core Java Security + +### Relevant Articles: +- [MD5 Hashing in Java](http://www.baeldung.com/java-md5) +- [Guide to the Cipher Class](http://www.baeldung.com/java-cipher-class) +- [Introduction to SSL in Java](http://www.baeldung.com/java-ssl) +- [Java KeyStore API](http://www.baeldung.com/java-keystore) +- [Encrypting and Decrypting Files in Java](http://www.baeldung.com/java-cipher-input-output-stream) +- [Hashing a Password in Java](https://www.baeldung.com/java-password-hashing) +- [SSL Handshake Failures](https://www.baeldung.com/java-ssl-handshake-failures) +- [SHA-256 and SHA3-256 Hashing in Java](https://www.baeldung.com/sha-256-hashing-java) +- [Enabling TLS v1.2 in Java 7](https://www.baeldung.com/java-7-tls-v12) diff --git a/core-java-security/pom.xml b/core-java-security/pom.xml new file mode 100644 index 0000000000..63bc46b114 --- /dev/null +++ b/core-java-security/pom.xml @@ -0,0 +1,55 @@ + + 4.0.0 + com.baeldung + core-java-security + 0.1.0-SNAPSHOT + core-java-security + jar + + + com.baeldung + parent-java + 0.0.1-SNAPSHOT + ../parent-java + + + + + org.apache.commons + commons-lang3 + ${commons-lang3.version} + + + + org.assertj + assertj-core + ${assertj-core.version} + test + + + + commons-codec + commons-codec + ${commons-codec.version} + + + org.bouncycastle + bcprov-jdk15on + ${bouncycastle.version} + + + + + + + 3.8.1 + 1.60 + 1.11 + + + 3.10.0 + + + + diff --git a/core-java/src/main/java/com/baeldung/cipher/Encryptor.java b/core-java-security/src/main/java/com/baeldung/cipher/Encryptor.java similarity index 100% rename from core-java/src/main/java/com/baeldung/cipher/Encryptor.java rename to core-java-security/src/main/java/com/baeldung/cipher/Encryptor.java diff --git a/core-java/src/main/java/com/baeldung/encrypt/FileEncrypterDecrypter.java b/core-java-security/src/main/java/com/baeldung/encrypt/FileEncrypterDecrypter.java similarity index 100% rename from core-java/src/main/java/com/baeldung/encrypt/FileEncrypterDecrypter.java rename to core-java-security/src/main/java/com/baeldung/encrypt/FileEncrypterDecrypter.java diff --git a/core-java-security/src/main/java/com/baeldung/hashing/DigestAlgorithms.java b/core-java-security/src/main/java/com/baeldung/hashing/DigestAlgorithms.java new file mode 100644 index 0000000000..94dd22ff4b --- /dev/null +++ b/core-java-security/src/main/java/com/baeldung/hashing/DigestAlgorithms.java @@ -0,0 +1,9 @@ +package com.baeldung.hashing; + +public class DigestAlgorithms { + + public static final String SHA3_256 = "SHA3-256"; + public static final String SHA_256 = "SHA-256"; + public static final String KECCAK_256 = "Keccak-256"; + +} diff --git a/core-java-security/src/main/java/com/baeldung/hashing/Keccak256Hashing.java b/core-java-security/src/main/java/com/baeldung/hashing/Keccak256Hashing.java new file mode 100644 index 0000000000..19fc4cf059 --- /dev/null +++ b/core-java-security/src/main/java/com/baeldung/hashing/Keccak256Hashing.java @@ -0,0 +1,30 @@ +package com.baeldung.hashing; + +import org.bouncycastle.jcajce.provider.digest.Keccak; +import org.bouncycastle.jce.provider.BouncyCastleProvider; +import org.bouncycastle.util.encoders.Hex; + +import java.nio.charset.StandardCharsets; +import java.security.MessageDigest; +import java.security.NoSuchAlgorithmException; +import java.security.Security; + +import static com.baeldung.hashing.DigestAlgorithms.KECCAK_256; +import static com.baeldung.hashing.SHACommonUtils.bytesToHex; + +public class Keccak256Hashing { + + public static String hashWithJavaMessageDigest(final String originalString) throws NoSuchAlgorithmException { + Security.addProvider(new BouncyCastleProvider()); + final MessageDigest digest = MessageDigest.getInstance(KECCAK_256); + final byte[] encodedhash = digest.digest(originalString.getBytes(StandardCharsets.UTF_8)); + return bytesToHex(encodedhash); + } + + public static String hashWithBouncyCastle(final String originalString) { + Keccak.Digest256 digest256 = new Keccak.Digest256(); + byte[] hashbytes = digest256.digest(originalString.getBytes(StandardCharsets.UTF_8)); + return new String(Hex.encode(hashbytes)); + } + +} diff --git a/core-java/src/main/java/com/baeldung/hashing/SHA256Hashing.java b/core-java-security/src/main/java/com/baeldung/hashing/SHA256Hashing.java similarity index 67% rename from core-java/src/main/java/com/baeldung/hashing/SHA256Hashing.java rename to core-java-security/src/main/java/com/baeldung/hashing/SHA256Hashing.java index 4fa164cadc..ec008cebab 100644 --- a/core-java/src/main/java/com/baeldung/hashing/SHA256Hashing.java +++ b/core-java-security/src/main/java/com/baeldung/hashing/SHA256Hashing.java @@ -8,15 +8,18 @@ import java.nio.charset.StandardCharsets; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; +import static com.baeldung.hashing.DigestAlgorithms.SHA_256; +import static com.baeldung.hashing.SHACommonUtils.bytesToHex; + public class SHA256Hashing { public static String HashWithJavaMessageDigest(final String originalString) throws NoSuchAlgorithmException { - final MessageDigest digest = MessageDigest.getInstance("SHA-256"); + final MessageDigest digest = MessageDigest.getInstance(SHA_256); final byte[] encodedhash = digest.digest(originalString.getBytes(StandardCharsets.UTF_8)); return bytesToHex(encodedhash); } - public static String HashWithGuava(final String originalString) { + public static String hashWithGuava(final String originalString) { final String sha256hex = Hashing.sha256().hashString(originalString, StandardCharsets.UTF_8).toString(); return sha256hex; } @@ -27,20 +30,10 @@ public class SHA256Hashing { } public static String HashWithBouncyCastle(final String originalString) throws NoSuchAlgorithmException { - final MessageDigest digest = MessageDigest.getInstance("SHA-256"); + final MessageDigest digest = MessageDigest.getInstance(SHA_256); final byte[] hash = digest.digest(originalString.getBytes(StandardCharsets.UTF_8)); final String sha256hex = new String(Hex.encode(hash)); return sha256hex; } - private static String bytesToHex(byte[] hash) { - StringBuffer hexString = new StringBuffer(); - for (int i = 0; i < hash.length; i++) { - String hex = Integer.toHexString(0xff & hash[i]); - if (hex.length() == 1) - hexString.append('0'); - hexString.append(hex); - } - return hexString.toString(); - } } diff --git a/core-java-security/src/main/java/com/baeldung/hashing/SHA3Hashing.java b/core-java-security/src/main/java/com/baeldung/hashing/SHA3Hashing.java new file mode 100644 index 0000000000..eb363205b1 --- /dev/null +++ b/core-java-security/src/main/java/com/baeldung/hashing/SHA3Hashing.java @@ -0,0 +1,45 @@ +package com.baeldung.hashing; + +import com.google.common.hash.Hashing; +import org.apache.commons.codec.digest.DigestUtils; +import org.bouncycastle.crypto.digests.SHA3Digest; +import org.bouncycastle.jcajce.provider.digest.SHA3; +import org.bouncycastle.jce.provider.BouncyCastleProvider; +import org.bouncycastle.util.encoders.Hex; + +import java.nio.charset.StandardCharsets; +import java.security.MessageDigest; +import java.security.NoSuchAlgorithmException; +import java.security.Security; + +import static com.baeldung.hashing.DigestAlgorithms.SHA3_256; +import static com.baeldung.hashing.SHACommonUtils.bytesToHex; + +public class SHA3Hashing { + + /* works with JDK9+ only */ + public static String hashWithJavaMessageDigestJDK9(final String originalString) throws NoSuchAlgorithmException { + final MessageDigest digest = MessageDigest.getInstance(SHA3_256); + final byte[] hashbytes = digest.digest(originalString.getBytes(StandardCharsets.UTF_8)); + return bytesToHex(hashbytes); + } + + public static String hashWithJavaMessageDigest(final String originalString) throws NoSuchAlgorithmException { + Security.addProvider(new BouncyCastleProvider()); + final MessageDigest digest = MessageDigest.getInstance(SHA3_256); + final byte[] hashbytes = digest.digest(originalString.getBytes(StandardCharsets.UTF_8)); + return bytesToHex(hashbytes); + } + + /* works with JDK9+ only */ + public static String hashWithApacheCommonsJDK9(final String originalString) { + return new DigestUtils(SHA3_256).digestAsHex(originalString); + } + + public static String hashWithBouncyCastle(final String originalString) { + SHA3.Digest256 digest256 = new SHA3.Digest256(); + byte[] hashbytes = digest256.digest(originalString.getBytes(StandardCharsets.UTF_8)); + return new String(Hex.encode(hashbytes)); + } + +} diff --git a/core-java-security/src/main/java/com/baeldung/hashing/SHACommonUtils.java b/core-java-security/src/main/java/com/baeldung/hashing/SHACommonUtils.java new file mode 100644 index 0000000000..0f28408083 --- /dev/null +++ b/core-java-security/src/main/java/com/baeldung/hashing/SHACommonUtils.java @@ -0,0 +1,16 @@ +package com.baeldung.hashing; + +class SHACommonUtils { + + public static String bytesToHex(byte[] hash) { + StringBuffer hexString = new StringBuffer(); + for (byte h : hash) { + String hex = Integer.toHexString(0xff & h); + if (hex.length() == 1) + hexString.append('0'); + hexString.append(hex); + } + return hexString.toString(); + } + +} diff --git a/core-java/src/main/java/com/baeldung/keystore/JavaKeyStore.java b/core-java-security/src/main/java/com/baeldung/keystore/JavaKeyStore.java similarity index 100% rename from core-java/src/main/java/com/baeldung/keystore/JavaKeyStore.java rename to core-java-security/src/main/java/com/baeldung/keystore/JavaKeyStore.java diff --git a/core-java/src/main/java/com/baeldung/passwordhashing/PBKDF2Hasher.java b/core-java-security/src/main/java/com/baeldung/passwordhashing/PBKDF2Hasher.java similarity index 100% rename from core-java/src/main/java/com/baeldung/passwordhashing/PBKDF2Hasher.java rename to core-java-security/src/main/java/com/baeldung/passwordhashing/PBKDF2Hasher.java diff --git a/core-java/src/main/java/com/baeldung/passwordhashing/SHA512Hasher.java b/core-java-security/src/main/java/com/baeldung/passwordhashing/SHA512Hasher.java similarity index 100% rename from core-java/src/main/java/com/baeldung/passwordhashing/SHA512Hasher.java rename to core-java-security/src/main/java/com/baeldung/passwordhashing/SHA512Hasher.java diff --git a/core-java/src/main/java/com/baeldung/passwordhashing/SimplePBKDF2Hasher.java b/core-java-security/src/main/java/com/baeldung/passwordhashing/SimplePBKDF2Hasher.java similarity index 100% rename from core-java/src/main/java/com/baeldung/passwordhashing/SimplePBKDF2Hasher.java rename to core-java-security/src/main/java/com/baeldung/passwordhashing/SimplePBKDF2Hasher.java diff --git a/core-java-security/src/main/java/com/baeldung/ssl/EnableTLSv12.java b/core-java-security/src/main/java/com/baeldung/ssl/EnableTLSv12.java new file mode 100644 index 0000000000..aa70b11584 --- /dev/null +++ b/core-java-security/src/main/java/com/baeldung/ssl/EnableTLSv12.java @@ -0,0 +1,115 @@ +package com.baeldung.ssl; + +import java.io.BufferedReader; +import java.io.BufferedWriter; +import java.io.IOException; +import java.io.InputStreamReader; +import java.io.OutputStreamWriter; +import java.io.PrintWriter; +import java.net.URL; +import java.net.UnknownHostException; +import java.security.KeyManagementException; +import java.security.NoSuchAlgorithmException; +import java.security.SecureRandom; + +import javax.net.ssl.HttpsURLConnection; +import javax.net.ssl.SSLContext; +import javax.net.ssl.SSLParameters; +import javax.net.ssl.SSLSocket; +import javax.net.ssl.SSLSocketFactory; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class EnableTLSv12 { + + private final Logger logger = LoggerFactory.getLogger(EnableTLSv12.class); + + public String url = ""; + public Integer port = null; + + public EnableTLSv12() { + } + + public static void main(String[] args) throws IOException, KeyManagementException, NoSuchAlgorithmException { + EnableTLSv12 enableTLSv12 = new EnableTLSv12(); + if (args.length != 2) { + System.out.println("Provide the server url and the secure port:"); + System.exit(-1); + } + enableTLSv12.setHost(args); + enableTLSv12.setPort(args); + enableTLSv12.enableTLSv12UsingHttpConnection(); + enableTLSv12.enableTLSv12UsingProtocol(); + enableTLSv12.enableTLSv12UsingSSLContext(); + enableTLSv12.enableTLSv12UsingSSLParameters(); + } + + private void setPort(String[] args) { + url = args[0]; + } + + private void setHost(String[] args) { + String portNumber = args[1]; + port = Integer.parseInt(portNumber); + } + + private void handleCommunication(SSLSocket socket, String usedTLSProcess) throws IOException { + logger.debug("Enabled TLS v1.2 on " + usedTLSProcess); + try (PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()))); BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()))) { + out.println("GET / HTTP/1.0"); + out.println(); + out.flush(); + if (out.checkError()) { + logger.error("SSLSocketClient: java.io.PrintWriter error"); + return; + } + + String inputLine; + while ((inputLine = in.readLine()) != null) + logger.info(inputLine); + } + } + + public void enableTLSv12UsingSSLParameters() throws UnknownHostException, IOException { + SSLSocketFactory socketFactory = (SSLSocketFactory) SSLSocketFactory.getDefault(); + SSLSocket sslSocket = (SSLSocket) socketFactory.createSocket(url.trim(), port); + SSLParameters params = new SSLParameters(); + params.setProtocols(new String[] { "TLSv1.2" }); + sslSocket.setSSLParameters(params); + sslSocket.startHandshake(); + handleCommunication(sslSocket, "SSLSocketFactory-SSLParameters"); + } + + public void enableTLSv12UsingProtocol() throws IOException { + SSLSocketFactory socketFactory = (SSLSocketFactory) SSLSocketFactory.getDefault(); + SSLSocket sslSocket = (SSLSocket) socketFactory.createSocket(url, port); + sslSocket.setEnabledProtocols(new String[] { "TLSv1.2" }); + sslSocket.startHandshake(); + handleCommunication(sslSocket, "SSLSocketFactory-EnabledProtocols"); + } + + public void enableTLSv12UsingHttpConnection() throws IOException, NoSuchAlgorithmException, KeyManagementException { + URL urls = new URL("https://" + url + ":" + port); + SSLContext sslContext = SSLContext.getInstance("TLSv1.2"); + sslContext.init(null, null, new SecureRandom()); + HttpsURLConnection connection = (HttpsURLConnection) urls.openConnection(); + connection.setSSLSocketFactory(sslContext.getSocketFactory()); + try (BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream()))) { + String input; + while ((input = br.readLine()) != null) { + logger.info(input); + } + } + logger.debug("Created TLSv1.2 connection on HttpsURLConnection"); + } + + public void enableTLSv12UsingSSLContext() throws NoSuchAlgorithmException, KeyManagementException, UnknownHostException, IOException { + SSLContext sslContext = SSLContext.getInstance("TLSv1.2"); + sslContext.init(null, null, new SecureRandom()); + SSLSocketFactory socketFactory = sslContext.getSocketFactory(); + SSLSocket socket = (SSLSocket) socketFactory.createSocket(url, port); + handleCommunication(socket, "SSLContext"); + } + +} diff --git a/core-java/src/main/java/com/baeldung/ssl/SecureConnection.java b/core-java-security/src/main/java/com/baeldung/ssl/SecureConnection.java similarity index 100% rename from core-java/src/main/java/com/baeldung/ssl/SecureConnection.java rename to core-java-security/src/main/java/com/baeldung/ssl/SecureConnection.java diff --git a/core-java/src/main/java/com/baeldung/ssl/example/SimpleClient.java b/core-java-security/src/main/java/com/baeldung/ssl/example/SimpleClient.java similarity index 100% rename from core-java/src/main/java/com/baeldung/ssl/example/SimpleClient.java rename to core-java-security/src/main/java/com/baeldung/ssl/example/SimpleClient.java diff --git a/core-java/src/main/java/com/baeldung/ssl/example/SimpleServer.java b/core-java-security/src/main/java/com/baeldung/ssl/example/SimpleServer.java similarity index 100% rename from core-java/src/main/java/com/baeldung/ssl/example/SimpleServer.java rename to core-java-security/src/main/java/com/baeldung/ssl/example/SimpleServer.java diff --git a/core-java-security/src/main/resources/logback.xml b/core-java-security/src/main/resources/logback.xml new file mode 100644 index 0000000000..56af2d397e --- /dev/null +++ b/core-java-security/src/main/resources/logback.xml @@ -0,0 +1,19 @@ + + + + + %d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n + + + + + + + + + + + + + + \ No newline at end of file diff --git a/core-java/src/test/java/com/baeldung/cipher/EncryptorUnitTest.java b/core-java-security/src/test/java/com/baeldung/cipher/EncryptorUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/cipher/EncryptorUnitTest.java rename to core-java-security/src/test/java/com/baeldung/cipher/EncryptorUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/encrypt/FileEncrypterDecrypterIntegrationTest.java b/core-java-security/src/test/java/com/baeldung/encrypt/FileEncrypterDecrypterIntegrationTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/encrypt/FileEncrypterDecrypterIntegrationTest.java rename to core-java-security/src/test/java/com/baeldung/encrypt/FileEncrypterDecrypterIntegrationTest.java diff --git a/core-java-security/src/test/java/com/baeldung/hashing/Keccak256HashingUnitTest.java b/core-java-security/src/test/java/com/baeldung/hashing/Keccak256HashingUnitTest.java new file mode 100644 index 0000000000..9ed35c8834 --- /dev/null +++ b/core-java-security/src/test/java/com/baeldung/hashing/Keccak256HashingUnitTest.java @@ -0,0 +1,22 @@ +package com.baeldung.hashing; + +import org.junit.Test; + +import static org.junit.Assert.assertEquals; + +public class Keccak256HashingUnitTest { + + private static String originalValue = "abc123"; + private static String hashedValue = "719accc61a9cc126830e5906f9d672d06eab6f8597287095a2c55a8b775e7016"; + + @Test public void testHashWithJavaMessageDigest() throws Exception { + final String currentHashedValue = Keccak256Hashing.hashWithJavaMessageDigest(originalValue); + assertEquals(hashedValue, currentHashedValue); + } + + @Test public void testHashWithBouncyCastle() { + final String currentHashedValue = Keccak256Hashing.hashWithBouncyCastle(originalValue); + assertEquals(hashedValue, currentHashedValue); + } + +} diff --git a/core-java/src/test/java/com/baeldung/hashing/SHA256HashingUnitTest.java b/core-java-security/src/test/java/com/baeldung/hashing/SHA256HashingUnitTest.java similarity index 76% rename from core-java/src/test/java/com/baeldung/hashing/SHA256HashingUnitTest.java rename to core-java-security/src/test/java/com/baeldung/hashing/SHA256HashingUnitTest.java index 3c34bf2c6e..6bc9ad2cc6 100644 --- a/core-java/src/test/java/com/baeldung/hashing/SHA256HashingUnitTest.java +++ b/core-java-security/src/test/java/com/baeldung/hashing/SHA256HashingUnitTest.java @@ -12,24 +12,24 @@ public class SHA256HashingUnitTest { @Test public void testHashWithJavaMessageDigest() throws Exception { final String currentHashedValue = SHA256Hashing.HashWithJavaMessageDigest(originalValue); - assertEquals(currentHashedValue, hashedValue); + assertEquals(hashedValue, currentHashedValue); } @Test public void testHashWithGuava() throws Exception { - final String currentHashedValue = SHA256Hashing.HashWithApacheCommons(originalValue); - assertEquals(currentHashedValue, hashedValue); + final String currentHashedValue = SHA256Hashing.hashWithGuava(originalValue); + assertEquals(hashedValue, currentHashedValue); } @Test public void testHashWithApacheCommans() throws Exception { - final String currentHashedValue = SHA256Hashing.HashWithGuava(originalValue); - assertEquals(currentHashedValue, hashedValue); + final String currentHashedValue = SHA256Hashing.HashWithApacheCommons(originalValue); + assertEquals(hashedValue, currentHashedValue); } @Test public void testHashWithBouncyCastle() throws Exception { final String currentHashedValue = SHA256Hashing.HashWithBouncyCastle(originalValue); - assertEquals(currentHashedValue, hashedValue); + assertEquals(hashedValue, currentHashedValue); } } \ No newline at end of file diff --git a/core-java-security/src/test/java/com/baeldung/hashing/SHA3HashingUnitTest.java b/core-java-security/src/test/java/com/baeldung/hashing/SHA3HashingUnitTest.java new file mode 100644 index 0000000000..fffab96405 --- /dev/null +++ b/core-java-security/src/test/java/com/baeldung/hashing/SHA3HashingUnitTest.java @@ -0,0 +1,38 @@ +package com.baeldung.hashing; + +import org.junit.Test; + +import static org.junit.Assert.assertEquals; + +public class SHA3HashingUnitTest { + + private static String originalValue = "abc123"; + private static String hashedValue = "f58fa3df820114f56e1544354379820cff464c9c41cb3ca0ad0b0843c9bb67ee"; + + /* works with JDK9+ only */ + //@Test + public void testHashWithJavaMessageDigestJDK9() throws Exception { + final String currentHashedValue = SHA3Hashing.hashWithJavaMessageDigestJDK9(originalValue); + assertEquals(hashedValue, currentHashedValue); + } + + @Test + public void testHashWithJavaMessageDigest() throws Exception { + final String currentHashedValue = SHA3Hashing.hashWithJavaMessageDigest(originalValue); + assertEquals(hashedValue, currentHashedValue); + } + + /* works with JDK9+ only */ + //@Test + public void testHashWithApacheCommonsJDK9() { + final String currentHashedValue = SHA3Hashing.hashWithApacheCommonsJDK9(originalValue); + assertEquals(hashedValue, currentHashedValue); + } + + @Test + public void testHashWithBouncyCastle() { + final String currentHashedValue = SHA3Hashing.hashWithBouncyCastle(originalValue); + assertEquals(hashedValue, currentHashedValue); + } + +} diff --git a/core-java/src/test/java/com/baeldung/keystore/JavaKeyStoreUnitTest.java b/core-java-security/src/test/java/com/baeldung/keystore/JavaKeyStoreUnitTest.java similarity index 87% rename from core-java/src/test/java/com/baeldung/keystore/JavaKeyStoreUnitTest.java rename to core-java-security/src/test/java/com/baeldung/keystore/JavaKeyStoreUnitTest.java index cb2a9f1c49..7473c52a35 100644 --- a/core-java/src/test/java/com/baeldung/keystore/JavaKeyStoreUnitTest.java +++ b/core-java-security/src/test/java/com/baeldung/keystore/JavaKeyStoreUnitTest.java @@ -4,15 +4,24 @@ import org.junit.After; import org.junit.Assert; import org.junit.Before; import org.junit.Test; + import sun.security.x509.AlgorithmId; import sun.security.x509.CertificateAlgorithmId; import sun.security.x509.CertificateSerialNumber; import sun.security.x509.CertificateValidity; import sun.security.x509.CertificateVersion; import sun.security.x509.CertificateX509Key; +import sun.security.x509.SubjectAlternativeNameExtension; import sun.security.x509.X500Name; import sun.security.x509.X509CertImpl; import sun.security.x509.X509CertInfo; +import sun.security.x509.CertificateExtensions; +import sun.security.x509.GeneralNames; +import sun.security.x509.GeneralName; +import sun.security.x509.GeneralNameInterface; +import sun.security.x509.DNSName; +import sun.security.x509.IPAddressName; +import sun.security.util.DerOutputStream; import javax.crypto.KeyGenerator; import javax.crypto.SecretKey; @@ -188,6 +197,23 @@ public class JavaKeyStoreUnitTest { Date validTo = new Date(validFrom.getTime() + 50L * 365L * 24L * 60L * 60L * 1000L); //50 years CertificateValidity validity = new CertificateValidity(validFrom, validTo); certInfo.set(X509CertInfo.VALIDITY, validity); + + GeneralNameInterface dnsName = new DNSName("baeldung.com"); + DerOutputStream dnsNameOutputStream = new DerOutputStream(); + dnsName.encode(dnsNameOutputStream); + + GeneralNameInterface ipAddress = new IPAddressName("127.0.0.1"); + DerOutputStream ipAddressOutputStream = new DerOutputStream(); + ipAddress.encode(ipAddressOutputStream); + + GeneralNames generalNames = new GeneralNames(); + generalNames.add(new GeneralName(dnsName)); + generalNames.add(new GeneralName(ipAddress)); + + CertificateExtensions ext = new CertificateExtensions(); + ext.set(SubjectAlternativeNameExtension.NAME, new SubjectAlternativeNameExtension(generalNames)); + + certInfo.set(X509CertInfo.EXTENSIONS, ext); // Create certificate and sign it X509CertImpl cert = new X509CertImpl(certInfo); @@ -202,4 +228,5 @@ public class JavaKeyStoreUnitTest { return newCert; } + } \ No newline at end of file diff --git a/core-java/src/test/java/com/baeldung/passwordhashing/PBKDF2HasherUnitTest.java b/core-java-security/src/test/java/com/baeldung/passwordhashing/PBKDF2HasherUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/passwordhashing/PBKDF2HasherUnitTest.java rename to core-java-security/src/test/java/com/baeldung/passwordhashing/PBKDF2HasherUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/passwordhashing/SHA512HasherUnitTest.java b/core-java-security/src/test/java/com/baeldung/passwordhashing/SHA512HasherUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/passwordhashing/SHA512HasherUnitTest.java rename to core-java-security/src/test/java/com/baeldung/passwordhashing/SHA512HasherUnitTest.java diff --git a/core-java/src/test/java/org/baeldung/java/md5/JavaMD5UnitTest.java b/core-java-security/src/test/java/org/baeldung/java/md5/JavaMD5UnitTest.java similarity index 100% rename from core-java/src/test/java/org/baeldung/java/md5/JavaMD5UnitTest.java rename to core-java-security/src/test/java/org/baeldung/java/md5/JavaMD5UnitTest.java diff --git a/core-java/src/test/resources/test_md5.txt b/core-java-security/src/test/resources/test_md5.txt similarity index 100% rename from core-java/src/test/resources/test_md5.txt rename to core-java-security/src/test/resources/test_md5.txt diff --git a/core-java-sun/README.md b/core-java-sun/README.md index 9cf8b26f1b..e2dba76b41 100644 --- a/core-java-sun/README.md +++ b/core-java-sun/README.md @@ -4,3 +4,4 @@ ### Relevant Articles: - [Creating a Java Compiler Plugin](http://www.baeldung.com/java-build-compiler-plugin) +- [Guide to sun.misc.Unsafe](http://www.baeldung.com/java-unsafe) \ No newline at end of file diff --git a/core-java-sun/pom.xml b/core-java-sun/pom.xml index ef68c947ce..5f2065016f 100644 --- a/core-java-sun/pom.xml +++ b/core-java-sun/pom.xml @@ -4,8 +4,8 @@ com.baeldung core-java-sun 0.1.0-SNAPSHOT - jar core-java-sun + jar com.baeldung @@ -261,8 +261,6 @@ - - 2.9.7 23.0 @@ -275,7 +273,6 @@ 4.01 0.4 1.8.7 - 1.16.12 4.6-b01 1.13 0.6.5 diff --git a/core-java/src/test/java/com/baeldung/unsafe/CASCounter.java b/core-java-sun/src/test/java/com/baeldung/unsafe/CASCounter.java similarity index 100% rename from core-java/src/test/java/com/baeldung/unsafe/CASCounter.java rename to core-java-sun/src/test/java/com/baeldung/unsafe/CASCounter.java diff --git a/core-java/src/test/java/com/baeldung/unsafe/OffHeapArray.java b/core-java-sun/src/test/java/com/baeldung/unsafe/OffHeapArray.java similarity index 100% rename from core-java/src/test/java/com/baeldung/unsafe/OffHeapArray.java rename to core-java-sun/src/test/java/com/baeldung/unsafe/OffHeapArray.java diff --git a/core-java/src/test/java/com/baeldung/unsafe/UnsafeUnitTest.java b/core-java-sun/src/test/java/com/baeldung/unsafe/UnsafeUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/unsafe/UnsafeUnitTest.java rename to core-java-sun/src/test/java/com/baeldung/unsafe/UnsafeUnitTest.java diff --git a/core-java/README.md b/core-java/README.md index 961ca45cce..67538a3895 100644 --- a/core-java/README.md +++ b/core-java/README.md @@ -5,69 +5,49 @@ ### Relevant Articles: - [Java Timer](http://www.baeldung.com/java-timer-and-timertask) - [How to Run a Shell Command in Java](http://www.baeldung.com/run-shell-command-in-java) -- [MD5 Hashing in Java](http://www.baeldung.com/java-md5) -- [A Guide to Java Sockets](http://www.baeldung.com/a-guide-to-java-sockets) - [How to Print Screen in Java](http://www.baeldung.com/print-screen-in-java) - [A Guide To Java Regular Expressions API](http://www.baeldung.com/regular-expressions-java) - [Getting Started with Java Properties](http://www.baeldung.com/java-properties) - [Pattern Search with Grep in Java](http://www.baeldung.com/grep-in-java) -- [URL Encoding and Decoding in Java](http://www.baeldung.com/java-url-encoding-decoding) - [How to Create an Executable JAR with Maven](http://www.baeldung.com/executable-jar-with-maven) -- [Basic Introduction to JMX](http://www.baeldung.com/java-management-extensions) - [Introduction to Nashorn](http://www.baeldung.com/java-nashorn) - [Java Money and the Currency API](http://www.baeldung.com/java-money-and-currency) - [JVM Log Forging](http://www.baeldung.com/jvm-log-forging) -- [Guide to sun.misc.Unsafe](http://www.baeldung.com/java-unsafe) -- [How to Perform a Simple HTTP Request in Java](http://www.baeldung.com/java-http-request) - [How to Add a Single Element to a Stream](http://www.baeldung.com/java-stream-append-prepend) - [How to Find all Getters Returning Null](http://www.baeldung.com/java-getters-returning-null) - [How to Get a Name of a Method Being Executed?](http://www.baeldung.com/java-name-of-executing-method) - [Introduction to Java Serialization](http://www.baeldung.com/java-serialization) - [Guide to UUID in Java](http://www.baeldung.com/java-uuid) - [Guide to Escaping Characters in Java RegExps](http://www.baeldung.com/java-regexp-escape-char) -- [Difference between URL and URI](http://www.baeldung.com/java-url-vs-uri) -- [OutOfMemoryError: GC Overhead Limit Exceeded](http://www.baeldung.com/java-gc-overhead-limit-exceeded) - [Creating a Java Compiler Plugin](http://www.baeldung.com/java-build-compiler-plugin) - [Quick Guide to Java Stack](http://www.baeldung.com/java-stack) -- [Guide to java.util.Formatter](http://www.baeldung.com/java-string-formatter) -- [Guide to the Cipher Class](http://www.baeldung.com/java-cipher-class) - [Compiling Java *.class Files with javac](http://www.baeldung.com/javac) -- [A Guide to Iterator in Java](http://www.baeldung.com/java-iterator) - [Introduction to Javadoc](http://www.baeldung.com/javadoc) - [Guide to the Externalizable Interface in Java](http://www.baeldung.com/java-externalizable) -- [A Practical Guide to DecimalFormat](http://www.baeldung.com/java-decimalformat) - [How to Detect the OS Using Java](http://www.baeldung.com/java-detect-os) - [ASCII Art in Java](http://www.baeldung.com/ascii-art-in-java) - [What is the serialVersionUID?](http://www.baeldung.com/java-serial-version-uid) - [A Guide to the ResourceBundle](http://www.baeldung.com/java-resourcebundle) - [Class Loaders in Java](http://www.baeldung.com/java-classloaders) -- [Introduction to SSL in Java](http://www.baeldung.com/java-ssl) -- [Java KeyStore API](http://www.baeldung.com/java-keystore) - [Double-Checked Locking with Singleton](http://www.baeldung.com/java-singleton-double-checked-locking) - [Guide to Java Clock Class](http://www.baeldung.com/java-clock) - [Importance of Main Manifest Attribute in a Self-Executing JAR](http://www.baeldung.com/java-jar-executable-manifest-main-class) -- [How to Get the File Extension of a File in Java](http://www.baeldung.com/java-file-extension) - [Java Global Exception Handler](http://www.baeldung.com/java-global-exception-handler) -- [Encrypting and Decrypting Files in Java](http://www.baeldung.com/java-cipher-input-output-stream) - [How to Get the Size of an Object in Java](http://www.baeldung.com/java-size-of-object) - [Guide to Java Instrumentation](http://www.baeldung.com/java-instrumentation) -- [Getting a File’s Mime Type in Java](http://www.baeldung.com/java-file-mime-type) - [Common Java Exceptions](http://www.baeldung.com/java-common-exceptions) - [Throw Exception in Optional in Java 8](https://www.baeldung.com/java-optional-throw-exception) -- [Add a Character to a String at a Given Position](https://www.baeldung.com/java-add-character-to-string) -- [Calculating the nth Root in Java](https://www.baeldung.com/java-nth-root) -- [Convert Double to String, Removing Decimal Places](https://www.baeldung.com/java-double-to-string) -- [Different Ways to Capture Java Heap Dumps](https://www.baeldung.com/java-heap-dump-capture) -- [ZoneOffset in Java](https://www.baeldung.com/java-zone-offset) -- [Hashing a Password in Java](https://www.baeldung.com/java-password-hashing) - [Merging java.util.Properties Objects](https://www.baeldung.com/java-merging-properties) -- [Understanding Memory Leaks in Java](https://www.baeldung.com/java-memory-leaks) -- [A Guide to SimpleDateFormat](https://www.baeldung.com/java-simple-date-format) -- [SSL Handshake Failures](https://www.baeldung.com/java-ssl-handshake-failures) -- [Changing the Order in a Sum Operation Can Produce Different Results?](https://www.baeldung.com/java-floating-point-sum-order) +- [Merging java.util.Properties Objects](https://www.baeldung.com/java-merging-properties) - [Java – Try with Resources](https://www.baeldung.com/java-try-with-resources) - [Abstract Classes in Java](https://www.baeldung.com/java-abstract-class) - [Guide to Character Encoding](https://www.baeldung.com/java-char-encoding) -- [Calculate the Area of a Circle in Java](https://www.baeldung.com/java-calculate-circle-area) -- [A Guide to the Java Math Class](https://www.baeldung.com/java-lang-math) - [Graphs in Java](https://www.baeldung.com/java-graphs) +- [Console I/O in Java](http://www.baeldung.com/java-console-input-output) +- [Formatting with printf() in Java](https://www.baeldung.com/java-printstream-printf) +- [Retrieve Fields from a Java Class Using Reflection](https://www.baeldung.com/java-reflection-class-fields) +- [Introduction to Basic Syntax in Java](https://www.baeldung.com/java-syntax) +- [Using Curl in Java](https://www.baeldung.com/java-curl) +- [Finding Leap Years in Java](https://www.baeldung.com/java-leap-year) +- [Java Bitwise Operators](https://www.baeldung.com/java-bitwise-operators) +- [Guide to Creating and Running a Jar File in Java](https://www.baeldung.com/java-create-jar) diff --git a/core-java/pom.xml b/core-java/pom.xml index 442d378dab..463b65a4ce 100644 --- a/core-java/pom.xml +++ b/core-java/pom.xml @@ -13,6 +13,7 @@ ../parent-java + commons-io @@ -24,11 +25,6 @@ commons-lang3 ${commons-lang3.version} - - org.bouncycastle - bcprov-jdk15on - ${bouncycastle.version} - org.unix4j unix4j-command @@ -75,12 +71,6 @@ ${assertj-core.version} test - - - commons-codec - commons-codec - ${commons-codec.version} - org.javamoney moneta @@ -121,27 +111,11 @@ jmh-generator-annprocess ${jmh-generator-annprocess.version} - - org.springframework - spring-web - ${springframework.spring-web.version} - com.h2database h2 ${h2database.version} - - - org.apache.tika - tika-core - ${tika.version} - - - net.sf.jmimemagic - jmimemagic - ${jmime-magic.version} - org.javassist @@ -477,19 +451,15 @@ - 2.9.7 2.8.2 3.5 - 1.55 - 1.10 2.5 3.6.1 1.0.3 0.4 1.8.7 - 1.16.12 4.6-b01 1.13 0.6.5 @@ -500,7 +470,6 @@ 2.21.0 - 4.3.4.RELEASE 1.1 1.4.197 @@ -515,9 +484,6 @@ 2.0.3.RELEASE 1.6.0 61.1 - - 1.18 - 0.1.5 3.21.0-GA diff --git a/core-java-networking/src/main/java/com/baeldung/console/ConsoleConsoleClass.java b/core-java/src/main/java/com/baeldung/console/ConsoleConsoleClass.java similarity index 100% rename from core-java-networking/src/main/java/com/baeldung/console/ConsoleConsoleClass.java rename to core-java/src/main/java/com/baeldung/console/ConsoleConsoleClass.java diff --git a/core-java-networking/src/main/java/com/baeldung/console/ConsoleScannerClass.java b/core-java/src/main/java/com/baeldung/console/ConsoleScannerClass.java similarity index 100% rename from core-java-networking/src/main/java/com/baeldung/console/ConsoleScannerClass.java rename to core-java/src/main/java/com/baeldung/console/ConsoleScannerClass.java diff --git a/core-java/src/main/java/com/baeldung/curltojava/JavaCurlExamples.java b/core-java/src/main/java/com/baeldung/curltojava/JavaCurlExamples.java new file mode 100644 index 0000000000..166b0ecb13 --- /dev/null +++ b/core-java/src/main/java/com/baeldung/curltojava/JavaCurlExamples.java @@ -0,0 +1,29 @@ +package com.baeldung.curltojava; + +import java.io.BufferedInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.util.logging.Level; +import java.util.logging.Logger; + +public class JavaCurlExamples { + + public static String inputStreamToString(InputStream inputStream) { + final int bufferSize = 8 * 1024; + byte[] buffer = new byte[bufferSize]; + final StringBuilder builder = new StringBuilder(); + try (BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStream, bufferSize)) { + while (bufferedInputStream.read(buffer) != -1) { + builder.append(new String(buffer)); + } + } catch (IOException ex) { + Logger.getLogger(JavaCurlExamples.class.getName()).log(Level.SEVERE, null, ex); + } + return builder.toString(); + } + + public static void consumeInputStream(InputStream inputStream) { + inputStreamToString(inputStream); + } + +} diff --git a/core-java/src/main/java/com/baeldung/jar/JarExample.java b/core-java/src/main/java/com/baeldung/jar/JarExample.java new file mode 100644 index 0000000000..5f33188adf --- /dev/null +++ b/core-java/src/main/java/com/baeldung/jar/JarExample.java @@ -0,0 +1,9 @@ +package com.baeldung.jar; + +public class JarExample { + + public static void main(String[] args) { + System.out.println("Hello Baeldung Reader!"); + } + +} diff --git a/core-java/src/main/java/com/baeldung/jar/example_manifest.txt b/core-java/src/main/java/com/baeldung/jar/example_manifest.txt new file mode 100644 index 0000000000..90e83e9b42 --- /dev/null +++ b/core-java/src/main/java/com/baeldung/jar/example_manifest.txt @@ -0,0 +1 @@ +Main-Class: com.baeldung.jar.JarExample diff --git a/core-java/src/main/java/com/baeldung/reflection/Employee.java b/core-java/src/main/java/com/baeldung/reflection/Employee.java new file mode 100644 index 0000000000..833cf26b14 --- /dev/null +++ b/core-java/src/main/java/com/baeldung/reflection/Employee.java @@ -0,0 +1,7 @@ +package com.baeldung.reflection; + +public class Employee extends Person { + + public int employeeId; + +} diff --git a/core-java/src/main/java/com/baeldung/reflection/MonthEmployee.java b/core-java/src/main/java/com/baeldung/reflection/MonthEmployee.java new file mode 100644 index 0000000000..df2a19bbff --- /dev/null +++ b/core-java/src/main/java/com/baeldung/reflection/MonthEmployee.java @@ -0,0 +1,7 @@ +package com.baeldung.reflection; + +public class MonthEmployee extends Employee { + + protected double reward; + +} diff --git a/core-java/src/main/java/com/baeldung/reflection/Person.java b/core-java/src/main/java/com/baeldung/reflection/Person.java new file mode 100644 index 0000000000..e036ab5223 --- /dev/null +++ b/core-java/src/main/java/com/baeldung/reflection/Person.java @@ -0,0 +1,8 @@ +package com.baeldung.reflection; + +public class Person { + + protected String lastName; + private String firstName; + +} diff --git a/core-java/src/main/java/com/baeldung/urlconnection/PostJSONWithHttpURLConnection.java b/core-java/src/main/java/com/baeldung/urlconnection/PostJSONWithHttpURLConnection.java new file mode 100644 index 0000000000..38b4a0411d --- /dev/null +++ b/core-java/src/main/java/com/baeldung/urlconnection/PostJSONWithHttpURLConnection.java @@ -0,0 +1,46 @@ +package com.baeldung.urlconnection; + +import java.io.BufferedReader; +import java.io.IOException; +import java.io.InputStreamReader; +import java.io.OutputStream; +import java.net.HttpURLConnection; +import java.net.URL; + +public class PostJSONWithHttpURLConnection { + + public static void main (String []args) throws IOException{ + //Change the URL with any other publicly accessible POST resource, which accepts JSON request body + URL url = new URL ("https://reqres.in/api/users"); + + HttpURLConnection con = (HttpURLConnection)url.openConnection(); + con.setRequestMethod("POST"); + + con.setRequestProperty("Content-Type", "application/json; utf-8"); + con.setRequestProperty("Accept", "application/json"); + + con.setDoOutput(true); + + //JSON String need to be constructed for the specific resource. + //We may construct complex JSON using any third-party JSON libraries such as jackson or org.json + String jsonInputString = "{\"name\": \"Upendra\", \"job\": \"Programmer\"}"; + + try(OutputStream os = con.getOutputStream()){ + byte[] input = jsonInputString.getBytes("utf-8"); + os.write(input, 0, input.length); + } + + int code = con.getResponseCode(); + System.out.println(code); + + try(BufferedReader br = new BufferedReader(new InputStreamReader(con.getInputStream(), "utf-8"))){ + StringBuilder response = new StringBuilder(); + String responseLine = null; + while ((responseLine = br.readLine()) != null) { + response.append(responseLine.trim()); + } + System.out.println(response.toString()); + } + } + +} diff --git a/core-java/src/test/java/com/baeldung/bitwiseoperator/test/BitwiseOperatorUnitTest.java b/core-java/src/test/java/com/baeldung/bitwiseoperator/test/BitwiseOperatorUnitTest.java new file mode 100644 index 0000000000..f74e181e36 --- /dev/null +++ b/core-java/src/test/java/com/baeldung/bitwiseoperator/test/BitwiseOperatorUnitTest.java @@ -0,0 +1,81 @@ +package com.baeldung.bitwiseoperator.test; + +import static org.junit.Assert.assertEquals; +import org.junit.jupiter.api.Test; + +public class BitwiseOperatorUnitTest { + + @Test + public void givenTwoIntegers_whenAndOperator_thenNewDecimalNumber() { + int value1 = 6; + int value2 = 5; + int result = value1 & value2; + assertEquals(4, result); + } + + @Test + public void givenTwoIntegers_whenOrOperator_thenNewDecimalNumber() { + int value1 = 6; + int value2 = 5; + int result = value1 | value2; + assertEquals(7, result); + } + + @Test + public void givenTwoIntegers_whenXorOperator_thenNewDecimalNumber() { + int value1 = 6; + int value2 = 5; + int result = value1 ^ value2; + assertEquals(3, result); + } + + @Test + public void givenOneInteger_whenNotOperator_thenNewDecimalNumber() { + int value1 = 6; + int result = ~value1; + assertEquals(result, -7); + } + + @Test + public void givenOnePositiveInteger_whenSignedRightShiftOperator_thenNewDecimalNumber() { + int value = 12; + int rightShift = value >> 2; + assertEquals(3, rightShift); + } + + @Test + public void givenOneNegativeInteger_whenSignedRightShiftOperator_thenNewDecimalNumber() { + int value = -12; + int rightShift = value >> 2; + assertEquals(-3, rightShift); + } + + @Test + public void givenOnePositiveInteger_whenLeftShiftOperator_thenNewDecimalNumber() { + int value = 12; + int leftShift = value << 2; + assertEquals(48, leftShift); + } + + @Test + public void givenOneNegativeInteger_whenLeftShiftOperator_thenNewDecimalNumber() { + int value = -12; + int leftShift = value << 2; + assertEquals(-48, leftShift); + } + + @Test + public void givenOnePositiveInteger_whenUnsignedRightShiftOperator_thenNewDecimalNumber() { + int value = 12; + int unsignedRightShift = value >>> 2; + assertEquals(3, unsignedRightShift); + } + + @Test + public void givenOneNegativeInteger_whenUnsignedRightShiftOperator_thenNewDecimalNumber() { + int value = -12; + int unsignedRightShift = value >>> 2; + assertEquals(1073741821, unsignedRightShift); + } + +} diff --git a/core-java/src/test/java/com/baeldung/curltojava/JavaCurlExamplesLiveTest.java b/core-java/src/test/java/com/baeldung/curltojava/JavaCurlExamplesLiveTest.java new file mode 100644 index 0000000000..2ec62cbbf9 --- /dev/null +++ b/core-java/src/test/java/com/baeldung/curltojava/JavaCurlExamplesLiveTest.java @@ -0,0 +1,50 @@ +package com.baeldung.curltojava; + +import java.io.File; +import java.io.IOException; +import java.io.InputStream; + +import org.junit.Assert; +import org.junit.Test; + +public class JavaCurlExamplesLiveTest { + + @Test + public void givenCommand_whenCalled_thenProduceZeroExitCode() throws IOException { + String command = "curl -X GET https://postman-echo.com/get?foo1=bar1&foo2=bar2"; + ProcessBuilder processBuilder = new ProcessBuilder(command.split(" ")); + processBuilder.directory(new File("/home/")); + Process process = processBuilder.start(); + InputStream inputStream = process.getInputStream(); + // Consume the inputStream so the process can exit + JavaCurlExamples.consumeInputStream(inputStream); + int exitCode = process.exitValue(); + + Assert.assertEquals(0, exitCode); + } + + @Test + public void givenNewCommands_whenCalled_thenCheckIfIsAlive() throws IOException { + String command = "curl -X GET https://postman-echo.com/get?foo1=bar1&foo2=bar2"; + ProcessBuilder processBuilder = new ProcessBuilder(command.split(" ")); + processBuilder.directory(new File("/home/")); + Process process = processBuilder.start(); + + // Re-use processBuilder + processBuilder.command(new String[]{"newCommand", "arguments"}); + + Assert.assertEquals(true, process.isAlive()); + } + + @Test + public void whenRequestPost_thenCheckIfReturnContent() throws IOException { + String command = "curl -X POST https://postman-echo.com/post --data foo1=bar1&foo2=bar2"; + Process process = Runtime.getRuntime().exec(command); + + // Get the POST result + String content = JavaCurlExamples.inputStreamToString(process.getInputStream()); + + Assert.assertTrue(null != content && !content.isEmpty()); + } + +} diff --git a/core-java/src/test/java/com/baeldung/leapyear/LeapYearUnitTest.java b/core-java/src/test/java/com/baeldung/leapyear/LeapYearUnitTest.java new file mode 100644 index 0000000000..e710eecc66 --- /dev/null +++ b/core-java/src/test/java/com/baeldung/leapyear/LeapYearUnitTest.java @@ -0,0 +1,41 @@ +package com.baeldung.leapyear; + +import java.time.LocalDate; +import java.time.Year; +import java.time.format.DateTimeFormatter; +import java.util.GregorianCalendar; + +import org.junit.Assert; +import org.junit.Test; + +public class LeapYearUnitTest { + + //Before Java8 + @Test + public void testLeapYearUsingGregorianCalendar () { + Assert.assertFalse(new GregorianCalendar().isLeapYear(2018)); + } + + //Java 8 and above + @Test + public void testLeapYearUsingJavaTimeYear () { + Assert.assertTrue(Year.isLeap(2012)); + } + + @Test + public void testBCYearUsingJavaTimeYear () { + Assert.assertTrue(Year.isLeap(-4)); + } + + @Test + public void testWrongLeapYearUsingJavaTimeYear () { + Assert.assertFalse(Year.isLeap(2018)); + } + + @Test + public void testLeapYearInDateUsingJavaTimeYear () { + LocalDate date = LocalDate.parse("2020-01-05", DateTimeFormatter.ISO_LOCAL_DATE); + Assert.assertTrue(Year.from(date).isLeap()); + } + +} diff --git a/core-java/src/test/java/com/baeldung/reflection/PersonAndEmployeeReflectionUnitTest.java b/core-java/src/test/java/com/baeldung/reflection/PersonAndEmployeeReflectionUnitTest.java new file mode 100644 index 0000000000..b1a6a1fe57 --- /dev/null +++ b/core-java/src/test/java/com/baeldung/reflection/PersonAndEmployeeReflectionUnitTest.java @@ -0,0 +1,150 @@ +package com.baeldung.reflection; + +import org.junit.Test; + +import java.lang.reflect.Field; +import java.lang.reflect.Modifier; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collections; +import java.util.List; +import java.util.stream.Collectors; +import java.util.stream.Stream; + +import static org.junit.Assert.*; + +public class PersonAndEmployeeReflectionUnitTest { + + // Fields names + private static final String LAST_NAME_FIELD = "lastName"; + private static final String FIRST_NAME_FIELD = "firstName"; + private static final String EMPLOYEE_ID_FIELD = "employeeId"; + private static final String MONTH_EMPLOYEE_REWARD_FIELD = "reward"; + + @Test + public void givenPersonClass_whenGetDeclaredFields_thenTwoFields() { + // When + Field[] allFields = Person.class.getDeclaredFields(); + + // Then + assertEquals(2, allFields.length); + + assertTrue(Arrays.stream(allFields).anyMatch(field -> + field.getName().equals(LAST_NAME_FIELD) + && field.getType().equals(String.class)) + ); + assertTrue(Arrays.stream(allFields).anyMatch(field -> + field.getName().equals(FIRST_NAME_FIELD) + && field.getType().equals(String.class)) + ); + } + + @Test + public void givenEmployeeClass_whenGetDeclaredFields_thenOneField() { + // When + Field[] allFields = Employee.class.getDeclaredFields(); + + // Then + assertEquals(1, allFields.length); + + assertTrue(Arrays.stream(allFields).anyMatch(field -> + field.getName().equals(EMPLOYEE_ID_FIELD) + && field.getType().equals(int.class)) + ); + } + + @Test + public void givenEmployeeClass_whenSuperClassGetDeclaredFields_thenOneField() { + // When + Field[] allFields = Employee.class.getSuperclass().getDeclaredFields(); + + // Then + assertEquals(2, allFields.length); + + assertTrue(Arrays.stream(allFields).anyMatch(field -> + field.getName().equals(LAST_NAME_FIELD) + && field.getType().equals(String.class)) + ); + assertTrue(Arrays.stream(allFields).anyMatch(field -> + field.getName().equals(FIRST_NAME_FIELD) + && field.getType().equals(String.class)) + ); + } + + @Test + public void givenEmployeeClass_whenGetDeclaredFieldsOnBothClasses_thenThreeFields() { + // When + Field[] personFields = Employee.class.getSuperclass().getDeclaredFields(); + Field[] employeeFields = Employee.class.getDeclaredFields(); + Field[] allFields = new Field[employeeFields.length + personFields.length]; + Arrays.setAll(allFields, i -> (i < personFields.length ? personFields[i] : employeeFields[i - personFields.length])); + + // Then + assertEquals(3, allFields.length); + + assertTrue(Arrays.stream(allFields).anyMatch(field -> + field.getName().equals(LAST_NAME_FIELD) + && field.getType().equals(String.class)) + ); + assertTrue(Arrays.stream(allFields).anyMatch(field -> + field.getName().equals(FIRST_NAME_FIELD) + && field.getType().equals(String.class)) + ); + assertTrue(Arrays.stream(allFields).anyMatch(field -> + field.getName().equals(EMPLOYEE_ID_FIELD) + && field.getType().equals(int.class)) + ); + } + + @Test + public void givenEmployeeClass_whenGetDeclaredFieldsOnEmployeeSuperclassWithModifiersFilter_thenOneFields() { + // When + List personFields = Arrays.stream(Employee.class.getSuperclass().getDeclaredFields()) + .filter(f -> Modifier.isPublic(f.getModifiers()) || Modifier.isProtected(f.getModifiers())) + .collect(Collectors.toList()); + + // Then + assertEquals(1, personFields.size()); + + assertTrue(personFields.stream().anyMatch(field -> + field.getName().equals(LAST_NAME_FIELD) + && field.getType().equals(String.class)) + ); + } + + @Test + public void givenMonthEmployeeClass_whenGetAllFields_thenThreeFields() { + // When + List allFields = getAllFields(MonthEmployee.class); + + // Then + assertEquals(3, allFields.size()); + + assertTrue(allFields.stream().anyMatch(field -> + field.getName().equals(LAST_NAME_FIELD) + && field.getType().equals(String.class)) + ); + assertTrue(allFields.stream().anyMatch(field -> + field.getName().equals(EMPLOYEE_ID_FIELD) + && field.getType().equals(int.class)) + ); + assertTrue(allFields.stream().anyMatch(field -> + field.getName().equals(MONTH_EMPLOYEE_REWARD_FIELD) + && field.getType().equals(double.class)) + ); + } + + public List getAllFields(Class clazz) { + if (clazz == null) { + return Collections.emptyList(); + } + + List result = new ArrayList<>(getAllFields(clazz.getSuperclass())); + List filteredFields = Arrays.stream(clazz.getDeclaredFields()) + .filter(f -> Modifier.isPublic(f.getModifiers()) || Modifier.isProtected(f.getModifiers())) + .collect(Collectors.toList()); + result.addAll(filteredFields); + return result; + } + +} diff --git a/core-java/src/test/java/com/baeldung/string/StringReplaceAndRemoveUnitTest.java b/core-java/src/test/java/com/baeldung/string/StringReplaceAndRemoveUnitTest.java deleted file mode 100644 index d952d2383b..0000000000 --- a/core-java/src/test/java/com/baeldung/string/StringReplaceAndRemoveUnitTest.java +++ /dev/null @@ -1,83 +0,0 @@ -package com.baeldung.string; - - -import org.apache.commons.lang3.StringUtils; -import org.junit.Test; - -import static org.junit.Assert.assertFalse; -import static org.junit.Assert.assertTrue; - -public class StringReplaceAndRemoveUnitTest { - - - @Test - public void givenTestStrings_whenReplace_thenProcessedString() { - - String master = "Hello World Baeldung!"; - String target = "Baeldung"; - String replacement = "Java"; - String processed = master.replace(target, replacement); - assertTrue(processed.contains(replacement)); - assertFalse(processed.contains(target)); - - } - - @Test - public void givenTestStrings_whenReplaceAll_thenProcessedString() { - - String master2 = "Welcome to Baeldung, Hello World Baeldung"; - String regexTarget= "(Baeldung)$"; - String replacement = "Java"; - String processed2 = master2.replaceAll(regexTarget, replacement); - assertTrue(processed2.endsWith("Java")); - - } - - @Test - public void givenTestStrings_whenStringBuilderMethods_thenProcessedString() { - - String master = "Hello World Baeldung!"; - String target = "Baeldung"; - String replacement = "Java"; - - int startIndex = master.indexOf(target); - int stopIndex = startIndex + target.length(); - - StringBuilder builder = new StringBuilder(master); - - - builder.delete(startIndex, stopIndex); - assertFalse(builder.toString().contains(target)); - - - builder.replace(startIndex, stopIndex, replacement); - assertTrue(builder.toString().contains(replacement)); - - - } - - - @Test - public void givenTestStrings_whenStringUtilsMethods_thenProcessedStrings() { - - String master = "Hello World Baeldung!"; - String target = "Baeldung"; - String replacement = "Java"; - - String processed = StringUtils.replace(master, target, replacement); - assertTrue(processed.contains(replacement)); - - String master2 = "Hello World Baeldung!"; - String target2 = "baeldung"; - String processed2 = StringUtils.replaceIgnoreCase(master2, target2, replacement); - assertFalse(processed2.contains(target)); - - } - - - - - - - -} diff --git a/core-kotlin-2/.gitignore b/core-kotlin-2/.gitignore new file mode 100644 index 0000000000..0c017e8f8c --- /dev/null +++ b/core-kotlin-2/.gitignore @@ -0,0 +1,14 @@ +/bin/ + +#ignore gradle +.gradle/ + + +#ignore build and generated files +build/ +node/ +out/ + +#ignore installed node modules and package lock file +node_modules/ +package-lock.json diff --git a/core-kotlin-2/README.md b/core-kotlin-2/README.md new file mode 100644 index 0000000000..8d22c4f1a8 --- /dev/null +++ b/core-kotlin-2/README.md @@ -0,0 +1,4 @@ +## Relevant articles: + +- [Void Type in Kotlin](https://www.baeldung.com/kotlin-void-type) +- [How to use Kotlin Range Expressions](https://www.baeldung.com/kotlin-ranges) diff --git a/core-kotlin-2/build.gradle b/core-kotlin-2/build.gradle new file mode 100644 index 0000000000..b058e0ecad --- /dev/null +++ b/core-kotlin-2/build.gradle @@ -0,0 +1,48 @@ + + +group 'com.baeldung.ktor' +version '1.0-SNAPSHOT' + + +buildscript { + ext.kotlin_version = '1.2.41' + + repositories { + mavenCentral() + } + dependencies { + + classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" + } +} + +apply plugin: 'java' +apply plugin: 'kotlin' +apply plugin: 'application' + +mainClassName = 'APIServer.kt' + +sourceCompatibility = 1.8 +compileKotlin { kotlinOptions.jvmTarget = "1.8" } +compileTestKotlin { kotlinOptions.jvmTarget = "1.8" } + +kotlin { experimental { coroutines "enable" } } + +repositories { + mavenCentral() + jcenter() + maven { url "https://dl.bintray.com/kotlin/ktor" } +} +sourceSets { + main{ + kotlin{ + srcDirs 'com/baeldung/ktor' + } + } + +} + +dependencies { + compile "ch.qos.logback:logback-classic:1.2.1" + testCompile group: 'junit', name: 'junit', version: '4.12' +} \ No newline at end of file diff --git a/core-kotlin-2/gradle/wrapper/gradle-wrapper.jar b/core-kotlin-2/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000000..01b8bf6b1f Binary files /dev/null and b/core-kotlin-2/gradle/wrapper/gradle-wrapper.jar differ diff --git a/core-kotlin-2/gradle/wrapper/gradle-wrapper.properties b/core-kotlin-2/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000000..933b6473ce --- /dev/null +++ b/core-kotlin-2/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,5 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-bin.zip diff --git a/core-kotlin-2/gradlew b/core-kotlin-2/gradlew new file mode 100644 index 0000000000..cccdd3d517 --- /dev/null +++ b/core-kotlin-2/gradlew @@ -0,0 +1,172 @@ +#!/usr/bin/env sh + +############################################################################## +## +## Gradle start up script for UN*X +## +############################################################################## + +# Attempt to set APP_HOME +# Resolve links: $0 may be a link +PRG="$0" +# Need this for relative symlinks. +while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG=`dirname "$PRG"`"/$link" + fi +done +SAVED="`pwd`" +cd "`dirname \"$PRG\"`/" >/dev/null +APP_HOME="`pwd -P`" +cd "$SAVED" >/dev/null + +APP_NAME="Gradle" +APP_BASE_NAME=`basename "$0"` + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS="" + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD="maximum" + +warn () { + echo "$*" +} + +die () { + echo + echo "$*" + echo + exit 1 +} + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "`uname`" in + CYGWIN* ) + cygwin=true + ;; + Darwin* ) + darwin=true + ;; + MINGW* ) + msys=true + ;; + NONSTOP* ) + nonstop=true + ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD="java" + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then + MAX_FD_LIMIT=`ulimit -H -n` + if [ $? -eq 0 ] ; then + if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then + MAX_FD="$MAX_FD_LIMIT" + fi + ulimit -n $MAX_FD + if [ $? -ne 0 ] ; then + warn "Could not set maximum file descriptor limit: $MAX_FD" + fi + else + warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" + fi +fi + +# For Darwin, add options to specify how the application appears in the dock +if $darwin; then + GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" +fi + +# For Cygwin, switch paths to Windows format before running java +if $cygwin ; then + APP_HOME=`cygpath --path --mixed "$APP_HOME"` + CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` + JAVACMD=`cygpath --unix "$JAVACMD"` + + # We build the pattern for arguments to be converted via cygpath + ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` + SEP="" + for dir in $ROOTDIRSRAW ; do + ROOTDIRS="$ROOTDIRS$SEP$dir" + SEP="|" + done + OURCYGPATTERN="(^($ROOTDIRS))" + # Add a user-defined pattern to the cygpath arguments + if [ "$GRADLE_CYGPATTERN" != "" ] ; then + OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" + fi + # Now convert the arguments - kludge to limit ourselves to /bin/sh + i=0 + for arg in "$@" ; do + CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` + CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option + + if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition + eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` + else + eval `echo args$i`="\"$arg\"" + fi + i=$((i+1)) + done + case $i in + (0) set -- ;; + (1) set -- "$args0" ;; + (2) set -- "$args0" "$args1" ;; + (3) set -- "$args0" "$args1" "$args2" ;; + (4) set -- "$args0" "$args1" "$args2" "$args3" ;; + (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; + (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; + (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; + (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; + (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; + esac +fi + +# Escape application args +save () { + for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done + echo " " +} +APP_ARGS=$(save "$@") + +# Collect all arguments for the java command, following the shell quoting and substitution rules +eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" + +# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong +if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then + cd "$(dirname "$0")" +fi + +exec "$JAVACMD" "$@" diff --git a/core-kotlin-2/gradlew.bat b/core-kotlin-2/gradlew.bat new file mode 100644 index 0000000000..f9553162f1 --- /dev/null +++ b/core-kotlin-2/gradlew.bat @@ -0,0 +1,84 @@ +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS= + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto init + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto init + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:init +@rem Get command-line arguments, handling Windows variants + +if not "%OS%" == "Windows_NT" goto win9xME_args + +:win9xME_args +@rem Slurp the command line arguments. +set CMD_LINE_ARGS= +set _SKIP=2 + +:win9xME_args_slurp +if "x%~1" == "x" goto execute + +set CMD_LINE_ARGS=%* + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/core-kotlin-2/pom.xml b/core-kotlin-2/pom.xml new file mode 100644 index 0000000000..81df3cee81 --- /dev/null +++ b/core-kotlin-2/pom.xml @@ -0,0 +1,16 @@ + + + 4.0.0 + core-kotlin-2 + core-kotlin-2 + jar + + + com.baeldung + parent-kotlin + 1.0.0-SNAPSHOT + ../parent-kotlin + + + diff --git a/core-kotlin-2/resources/logback.xml b/core-kotlin-2/resources/logback.xml new file mode 100644 index 0000000000..9452207268 --- /dev/null +++ b/core-kotlin-2/resources/logback.xml @@ -0,0 +1,11 @@ + + + + %d{YYYY-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n + + + + + + + \ No newline at end of file diff --git a/core-kotlin-2/settings.gradle b/core-kotlin-2/settings.gradle new file mode 100644 index 0000000000..c91c993971 --- /dev/null +++ b/core-kotlin-2/settings.gradle @@ -0,0 +1,2 @@ +rootProject.name = 'KtorWithKotlin' + diff --git a/core-kotlin-2/src/main/resources/logback.xml b/core-kotlin-2/src/main/resources/logback.xml new file mode 100644 index 0000000000..7d900d8ea8 --- /dev/null +++ b/core-kotlin-2/src/main/resources/logback.xml @@ -0,0 +1,13 @@ + + + + + %d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n + + + + + + + + \ No newline at end of file diff --git a/core-kotlin-2/src/test/kotlin/stringcomparison/StringComparisonTest.kt b/core-kotlin-2/src/test/kotlin/stringcomparison/StringComparisonTest.kt new file mode 100644 index 0000000000..45a8dd7e04 --- /dev/null +++ b/core-kotlin-2/src/test/kotlin/stringcomparison/StringComparisonTest.kt @@ -0,0 +1,47 @@ +package stringcomparison + +import org.junit.Test +import kotlin.test.assertFalse +import kotlin.test.assertTrue + +class StringComparisonUnitTest { + + @Test + fun `compare using equals operator`() { + val first = "kotlin" + val second = "kotlin" + val firstCapitalized = "KOTLIN" + assertTrue { first == second } + assertFalse { first == firstCapitalized } + } + + @Test + fun `compare using referential equals operator`() { + val first = "kotlin" + val second = "kotlin" + val copyOfFirst = buildString { "kotlin" } + assertTrue { first === second } + assertFalse { first === copyOfFirst } + } + + @Test + fun `compare using equals method`() { + val first = "kotlin" + val second = "kotlin" + val firstCapitalized = "KOTLIN" + assertTrue { first.equals(second) } + assertFalse { first.equals(firstCapitalized) } + assertTrue { first.equals(firstCapitalized, true) } + } + + @Test + fun `compare using compare method`() { + val first = "kotlin" + val second = "kotlin" + val firstCapitalized = "KOTLIN" + assertTrue { first.compareTo(second) == 0 } + assertTrue { first.compareTo(firstCapitalized) == 32 } + assertTrue { firstCapitalized.compareTo(first) == -32 } + assertTrue { first.compareTo(firstCapitalized, true) == 0 } + } +} \ No newline at end of file diff --git a/core-kotlin-2/src/test/kotlin/voidtypes/VoidTypesUnitTest.kt b/core-kotlin-2/src/test/kotlin/voidtypes/VoidTypesUnitTest.kt new file mode 100644 index 0000000000..468352dbed --- /dev/null +++ b/core-kotlin-2/src/test/kotlin/voidtypes/VoidTypesUnitTest.kt @@ -0,0 +1,63 @@ +package com.baeldung.voidtypes + +import org.junit.jupiter.api.Test +import kotlin.test.assertNull +import kotlin.test.assertTrue + +class VoidTypesUnitTest { + + // Un-commenting below methods will result into compilation error + // as the syntax used is incorrect and is used for explanation in tutorial. + + // fun returnTypeAsVoidAttempt1(): Void { + // println("Trying with Void as return type") + // } + + // fun returnTypeAsVoidAttempt2(): Void { + // println("Trying with Void as return type") + // return null + // } + + fun returnTypeAsVoidSuccess(): Void? { + println("Function can have Void as return type") + return null + } + + fun unitReturnTypeForNonMeaningfulReturns(): Unit { + println("No meaningful return") + } + + fun unitReturnTypeIsImplicit() { + println("Unit Return type is implicit") + } + + fun alwaysThrowException(): Nothing { + throw IllegalArgumentException() + } + + fun invokeANothingOnlyFunction() { + alwaysThrowException() + + var name = "Tom" + } + + @Test + fun givenJavaVoidFunction_thenMappedToKotlinUnit() { + assertTrue(System.out.println() is Unit) + } + + @Test + fun givenVoidReturnType_thenReturnsNullOnly() { + assertNull(returnTypeAsVoidSuccess()) + } + + @Test + fun givenUnitReturnTypeDeclared_thenReturnsOfTypeUnit() { + assertTrue(unitReturnTypeForNonMeaningfulReturns() is Unit) + } + + @Test + fun givenUnitReturnTypeNotDeclared_thenReturnsOfTypeUnit() { + assertTrue(unitReturnTypeIsImplicit() is Unit) + } +} \ No newline at end of file diff --git a/core-kotlin-2/src/test/resources/Kotlin.in b/core-kotlin-2/src/test/resources/Kotlin.in new file mode 100644 index 0000000000..d140d4429e --- /dev/null +++ b/core-kotlin-2/src/test/resources/Kotlin.in @@ -0,0 +1,5 @@ +Hello to Kotlin. Its: +1. Concise +2. Safe +3. Interoperable +4. Tool-friendly \ No newline at end of file diff --git a/core-kotlin-2/src/test/resources/Kotlin.out b/core-kotlin-2/src/test/resources/Kotlin.out new file mode 100644 index 0000000000..63d15d2528 --- /dev/null +++ b/core-kotlin-2/src/test/resources/Kotlin.out @@ -0,0 +1,2 @@ +Kotlin +Concise, Safe, Interoperable, Tool-friendly \ No newline at end of file diff --git a/core-kotlin/README.md b/core-kotlin/README.md index 05f07e7e7e..7d8001d667 100644 --- a/core-kotlin/README.md +++ b/core-kotlin/README.md @@ -4,7 +4,7 @@ - [A guide to the “when{}” block in Kotlin](http://www.baeldung.com/kotlin-when) - [Comprehensive Guide to Null Safety in Kotlin](http://www.baeldung.com/kotlin-null-safety) - [Kotlin Java Interoperability](http://www.baeldung.com/kotlin-java-interoperability) -- [Difference Between “==” and “===” in Kotlin](http://www.baeldung.com/kotlin-equality-operators) +- [Difference Between “==” and “===” operators in Kotlin](http://www.baeldung.com/kotlin-equality-operators) - [Generics in Kotlin](http://www.baeldung.com/kotlin-generics) - [Introduction to Kotlin Coroutines](http://www.baeldung.com/kotlin-coroutines) - [Destructuring Declarations in Kotlin](http://www.baeldung.com/kotlin-destructuring-declarations) @@ -47,3 +47,10 @@ - [Dependency Injection for Kotlin with Injekt](https://www.baeldung.com/kotlin-dependency-injection-with-injekt) - [Implementing a Binary Tree in Kotlin](https://www.baeldung.com/kotlin-binary-tree) - [Generate a Random Alphanumeric String in Kotlin](https://www.baeldung.com/kotlin-random-alphanumeric-string) +- [Kotlin Contracts](https://www.baeldung.com/kotlin-contracts) +- [Operator Overloading in Kotlin](https://www.baeldung.com/kotlin-operator-overloading) +- [Inline Classes in Kotlin](https://www.baeldung.com/kotlin-inline-classes) +- [Creating Java static final Equivalents in Kotlin](https://www.baeldung.com/kotlin-java-static-final) +- [Nested forEach in Kotlin](https://www.baeldung.com/kotlin-nested-foreach) +- [Building DSLs in Kotlin](https://www.baeldung.com/kotlin-dsl) +- [Static Methods Behavior in Kotlin](https://www.baeldung.com/kotlin-static-methods) diff --git a/core-kotlin/pom.xml b/core-kotlin/pom.xml index 8b871f28ee..5de986b49e 100644 --- a/core-kotlin/pom.xml +++ b/core-kotlin/pom.xml @@ -64,24 +64,13 @@ nl.komponents.kovenant kovenant - 3.3.0 + ${kovenant.version} pom uy.kohesive.injekt injekt-core - 1.16.1 - - - uy.kohesive.kovert - kovert-vertx - [1.5.0,1.6.0) - - - nl.komponents.kovenant - kovenant - - + ${injekt-core.version} @@ -93,6 +82,8 @@ 3.10.0 1.4.197 1.15.0 + 3.3.0 + 1.16.1 diff --git a/core-kotlin/src/main/kotlin/com/baeldung/forEach/forEach.kt b/core-kotlin/src/main/kotlin/com/baeldung/forEach/forEach.kt new file mode 100644 index 0000000000..20eda4e64f --- /dev/null +++ b/core-kotlin/src/main/kotlin/com/baeldung/forEach/forEach.kt @@ -0,0 +1,87 @@ +package com.baeldung.forEach + + +class Country(val name : String, val cities : List) + +class City(val name : String, val streets : List) + +fun City.getStreetsWithCityName() : List { + return streets.map { "$name, $it" }.toList() +} + +fun Country.getCitiesWithCountryName() : List { + return cities.flatMap { it.getStreetsWithCityName() } + .map { "$name, $it" } +} + +class World { + + private val streetsOfAmsterdam = listOf("Herengracht", "Prinsengracht") + private val streetsOfBerlin = listOf("Unter den Linden","Tiergarten") + private val streetsOfMaastricht = listOf("Grote Gracht", "Vrijthof") + private val countries = listOf( + Country("Netherlands", listOf(City("Maastricht", streetsOfMaastricht), + City("Amsterdam", streetsOfAmsterdam))), + Country("Germany", listOf(City("Berlin", streetsOfBerlin)))) + + fun allCountriesIt() { + countries.forEach { println(it.name) } + } + + fun allCountriesItExplicit() { + countries.forEach { it -> println(it.name) } + } + + //here we cannot refer to 'it' anymore inside the forEach + fun allCountriesExplicit() { + countries.forEach { c -> println(c.name) } + } + + fun allNested() { + countries.forEach { + println(it.name) + it.cities.forEach { + println(" ${it.name}") + it.streets.forEach { println(" $it") } + } + } + } + + fun allTable() { + countries.forEach { c -> + c.cities.forEach { p -> + p.streets.forEach { println("${c.name} ${p.name} $it") } + } + } + } + + fun allStreetsFlatMap() { + + countries.flatMap { it.cities} + .flatMap { it.streets} + .forEach { println(it) } + } + + fun allFlatMapTable() { + + countries.flatMap { it.getCitiesWithCountryName() } + .forEach { println(it) } + } +} + +fun main(args : Array) { + + val world = World() + + world.allCountriesExplicit() + + world.allNested() + + world.allTable() + + world.allStreetsFlatMap() + + world.allFlatMapTable() +} + + diff --git a/core-kotlin/src/main/kotlin/com/baeldung/kotlin/delegates/InterfaceDelegation.kt b/core-kotlin/src/main/kotlin/com/baeldung/kotlin/delegates/InterfaceDelegation.kt new file mode 100644 index 0000000000..8e261aacf2 --- /dev/null +++ b/core-kotlin/src/main/kotlin/com/baeldung/kotlin/delegates/InterfaceDelegation.kt @@ -0,0 +1,64 @@ +package com.baeldung.kotlin.delegates + +import java.util.concurrent.locks.ReentrantLock +import kotlin.concurrent.withLock + +interface Producer { + + fun produce(): String +} + +class ProducerImpl : Producer { + + override fun produce() = "ProducerImpl" +} + +class EnhancedProducer(private val delegate: Producer) : Producer by delegate { + + override fun produce() = "${delegate.produce()} and EnhancedProducer" +} + +interface MessageService { + + fun processMessage(message: String): String +} + +class MessageServiceImpl : MessageService { + override fun processMessage(message: String): String { + return "MessageServiceImpl: $message" + } +} + +interface UserService { + + fun processUser(userId: String): String +} + +class UserServiceImpl : UserService { + + override fun processUser(userId: String): String { + return "UserServiceImpl: $userId" + } +} + +class CompositeService : UserService by UserServiceImpl(), MessageService by MessageServiceImpl() + +interface Service { + + val seed: Int + + fun serve(action: (Int) -> Unit) +} + +class ServiceImpl : Service { + + override val seed = 1 + + override fun serve(action: (Int) -> Unit) { + action(seed) + } +} + +class ServiceDecorator : Service by ServiceImpl() { + override val seed = 2 +} \ No newline at end of file diff --git a/core-kotlin/src/main/kotlin/com/baeldung/kotlin/dsl/SqlDsl.kt b/core-kotlin/src/main/kotlin/com/baeldung/kotlin/dsl/SqlDsl.kt new file mode 100644 index 0000000000..5296d301a3 --- /dev/null +++ b/core-kotlin/src/main/kotlin/com/baeldung/kotlin/dsl/SqlDsl.kt @@ -0,0 +1,114 @@ +package com.baeldung.kotlin.dsl + +abstract class Condition { + + fun and(initializer: Condition.() -> Unit) { + addCondition(And().apply(initializer)) + } + + fun or(initializer: Condition.() -> Unit) { + addCondition(Or().apply(initializer)) + } + + infix fun String.eq(value: Any?) { + addCondition(Eq(this, value)) + } + + protected abstract fun addCondition(condition: Condition) +} + +open class CompositeCondition(private val sqlOperator: String) : Condition() { + private val conditions = mutableListOf() + + override fun addCondition(condition: Condition) { + conditions += condition + } + + override fun toString(): String { + return if (conditions.size == 1) { + conditions.first().toString() + } else { + conditions.joinToString(prefix = "(", postfix = ")", separator = " $sqlOperator ") { + "$it" + } + } + } +} + +class And : CompositeCondition("and") + +class Or : CompositeCondition("or") + +class Eq(private val column: String, private val value: Any?) : Condition() { + + init { + if (value != null && value !is Number && value !is String) { + throw IllegalArgumentException("Only , numbers and strings values can be used in the 'where' clause") + } + } + + override fun addCondition(condition: Condition) { + throw IllegalStateException("Can't add a nested condition to the sql 'eq'") + } + + override fun toString(): String { + return when (value) { + null -> "$column is null" + is String -> "$column = '$value'" + else -> "$column = $value" + } + } +} + +class SqlSelectBuilder { + + private val columns = mutableListOf() + private lateinit var table: String + private var condition: Condition? = null + + fun select(vararg columns: String) { + if (columns.isEmpty()) { + throw IllegalArgumentException("At least one column should be defined") + } + if (this.columns.isNotEmpty()) { + throw IllegalStateException("Detected an attempt to re-define columns to fetch. Current columns list: " + + "${this.columns}, new columns list: $columns") + } + this.columns.addAll(columns) + } + + fun from(table: String) { + this.table = table + } + + fun where(initializer: Condition.() -> Unit) { + condition = And().apply(initializer) + } + + fun build(): String { + if (!::table.isInitialized) { + throw IllegalStateException("Failed to build an sql select - target table is undefined") + } + return toString() + } + + override fun toString(): String { + val columnsToFetch = + if (columns.isEmpty()) { + "*" + } else { + columns.joinToString(", ") + } + val conditionString = + if (condition == null) { + "" + } else { + " where $condition" + } + return "select $columnsToFetch from $table$conditionString" + } +} + +fun query(initializer: SqlSelectBuilder.() -> Unit): SqlSelectBuilder { + return SqlSelectBuilder().apply(initializer) +} \ No newline at end of file diff --git a/core-kotlin/src/main/kotlin/com/baeldung/static/ConsoleUtils.kt b/core-kotlin/src/main/kotlin/com/baeldung/static/ConsoleUtils.kt new file mode 100644 index 0000000000..23c7cfb11a --- /dev/null +++ b/core-kotlin/src/main/kotlin/com/baeldung/static/ConsoleUtils.kt @@ -0,0 +1,10 @@ +package com.baeldung.static + +class ConsoleUtils { + companion object { + @JvmStatic + fun debug(debugMessage : String) { + println("[DEBUG] $debugMessage") + } + } +} \ No newline at end of file diff --git a/core-kotlin/src/main/kotlin/com/baeldung/static/LoggingUtils.kt b/core-kotlin/src/main/kotlin/com/baeldung/static/LoggingUtils.kt new file mode 100644 index 0000000000..e67addc9ea --- /dev/null +++ b/core-kotlin/src/main/kotlin/com/baeldung/static/LoggingUtils.kt @@ -0,0 +1,5 @@ +package com.baeldung.static + +fun debug(debugMessage : String) { + println("[DEBUG] $debugMessage") +} \ No newline at end of file diff --git a/core-kotlin/src/test/kotlin/com/baeldung/kotlin/delegates/InterfaceDelegationTest.kt b/core-kotlin/src/test/kotlin/com/baeldung/kotlin/delegates/InterfaceDelegationTest.kt new file mode 100644 index 0000000000..e65032acd4 --- /dev/null +++ b/core-kotlin/src/test/kotlin/com/baeldung/kotlin/delegates/InterfaceDelegationTest.kt @@ -0,0 +1,28 @@ +package com.baeldung.kotlin.delegates + +import org.assertj.core.api.Assertions.assertThat +import org.junit.Test + +class InterfaceDelegationTest { + + @Test + fun `when delegated implementation is used then it works as expected`() { + val producer = EnhancedProducer(ProducerImpl()) + assertThat(producer.produce()).isEqualTo("ProducerImpl and EnhancedProducer") + } + + @Test + fun `when composite delegation is used then it works as expected`() { + val service = CompositeService() + assertThat(service.processMessage("message")).isEqualTo("MessageServiceImpl: message") + assertThat(service.processUser("user")).isEqualTo("UserServiceImpl: user") + } + + @Test + fun `when decoration is used then delegate knows nothing about it`() { + val service = ServiceDecorator() + service.serve { + assertThat(it).isEqualTo(1) + } + } +} \ No newline at end of file diff --git a/core-kotlin/src/test/kotlin/com/baeldung/kotlin/dsl/SqlDslTest.kt b/core-kotlin/src/test/kotlin/com/baeldung/kotlin/dsl/SqlDslTest.kt new file mode 100644 index 0000000000..55ae44e4dc --- /dev/null +++ b/core-kotlin/src/test/kotlin/com/baeldung/kotlin/dsl/SqlDslTest.kt @@ -0,0 +1,74 @@ +package com.baeldung.kotlin.dsl + +import org.assertj.core.api.Assertions.assertThat +import org.junit.Test +import java.lang.Exception + +class SqlDslTest { + + @Test + fun `when no columns are specified then star is used`() { + doTest("select * from table1") { + from ("table1") + } + } + + @Test + fun `when no condition is specified then correct query is built`() { + doTest("select column1, column2 from table1") { + select("column1", "column2") + from ("table1") + } + } + + @Test(expected = Exception::class) + fun `when no table is specified then an exception is thrown`() { + query { + select("column1") + }.build() + } + + @Test + fun `when a list of conditions is specified then it's respected`() { + doTest("select * from table1 where (column3 = 4 and column4 is null)") { + from ("table1") + where { + "column3" eq 4 + "column4" eq null + } + } + } + + @Test + fun `when 'or' conditions are specified then they are respected`() { + doTest("select * from table1 where (column3 = 4 or column4 is null)") { + from ("table1") + where { + or { + "column3" eq 4 + "column4" eq null + } + } + } + } + + @Test + fun `when either 'and' or 'or' conditions are specified then they are respected`() { + doTest("select * from table1 where ((column3 = 4 or column4 is null) and column5 = 42)") { + from ("table1") + where { + and { + or { + "column3" eq 4 + "column4" eq null + } + "column5" eq 42 + } + } + } + } + + private fun doTest(expected: String, sql: SqlSelectBuilder.() -> Unit) { + assertThat(query(sql).build()).isEqualTo(expected) + } +} \ No newline at end of file diff --git a/core-kotlin/src/test/kotlin/com/baeldung/kotlin/junit5/CalculatorTest5.kt b/core-kotlin/src/test/kotlin/com/baeldung/kotlin/junit5/CalculatorTest5.kt index 40cd9adc99..daaedca5a3 100644 --- a/core-kotlin/src/test/kotlin/com/baeldung/kotlin/junit5/CalculatorTest5.kt +++ b/core-kotlin/src/test/kotlin/com/baeldung/kotlin/junit5/CalculatorTest5.kt @@ -7,12 +7,12 @@ class CalculatorTest5 { private val calculator = Calculator() @Test - fun whenAdding1and3_thenAnswerIs4() { + fun `Adding 1 and 3 should be equal to 4`() { Assertions.assertEquals(4, calculator.add(1, 3)) } @Test - fun whenDividingBy0_thenErrorOccurs() { + fun `Dividing by zero should throw the DivideByZeroException`() { val exception = Assertions.assertThrows(DivideByZeroException::class.java) { calculator.divide(5, 0) } @@ -21,7 +21,7 @@ class CalculatorTest5 { } @Test - fun whenSquaringNumbers_thenCorrectAnswerGiven() { + fun `The square of a number should be equal to that number multiplied in itself`() { Assertions.assertAll( Executable { Assertions.assertEquals(1, calculator.square(1)) }, Executable { Assertions.assertEquals(4, calculator.square(2)) }, @@ -76,7 +76,7 @@ class CalculatorTest5 { Tag("logarithms") ) @Test - fun whenIcalculateLog2Of8_thenIget3() { + fun `Log to base 2 of 8 should be equal to 3`() { Assertions.assertEquals(3.0, calculator.log(2, 8)) } } diff --git a/core-kotlin/src/test/kotlin/com/baeldung/kotlin/junit5/SimpleTest5.kt b/core-kotlin/src/test/kotlin/com/baeldung/kotlin/junit5/SimpleTest5.kt index 70d3fb90bf..15ff201430 100644 --- a/core-kotlin/src/test/kotlin/com/baeldung/kotlin/junit5/SimpleTest5.kt +++ b/core-kotlin/src/test/kotlin/com/baeldung/kotlin/junit5/SimpleTest5.kt @@ -5,15 +5,16 @@ import org.junit.jupiter.api.Disabled import org.junit.jupiter.api.Test class SimpleTest5 { + @Test - fun whenEmptyList_thenListIsEmpty() { + fun `isEmpty should return true for empty lists`() { val list = listOf() Assertions.assertTrue(list::isEmpty) } @Test @Disabled - fun when3equals4_thenTestFails() { + fun `3 is equal to 4`() { Assertions.assertEquals(3, 4) { "Three does not equal four" } diff --git a/core-kotlin/src/test/kotlin/com/baeldung/splitting/SplittingTest.kt b/core-kotlin/src/test/kotlin/com/baeldung/splitting/SplittingTest.kt new file mode 100644 index 0000000000..a9ddc99992 --- /dev/null +++ b/core-kotlin/src/test/kotlin/com/baeldung/splitting/SplittingTest.kt @@ -0,0 +1,99 @@ +package com.baeldung.lambda + +import org.junit.jupiter.api.Test +import kotlin.test.assertEquals + +class SplittingTest { + private val evenList = listOf(0, "a", 1, "b", 2, "c"); + + private val unevenList = listOf(0, "a", 1, "b", 2, "c", 3); + + private fun verifyList(resultList: List>) { + assertEquals("[[0, a], [1, b], [2, c]]", resultList.toString()) + } + + private fun verifyPartialList(resultList: List>) { + assertEquals("[[0, a], [1, b], [2, c], [3]]", resultList.toString()) + } + + @Test + fun whenChunked_thenListIsSplit() { + val resultList = evenList.chunked(2) + verifyList(resultList) + } + + @Test + fun whenUnevenChunked_thenListIsSplit() { + val resultList = unevenList.chunked(2) + verifyPartialList(resultList) + } + + @Test + fun whenWindowed_thenListIsSplit() { + val resultList = evenList.windowed(2, 2) + verifyList(resultList) + } + + @Test + fun whenUnevenPartialWindowed_thenListIsSplit() { + val resultList = unevenList.windowed(2, 2, partialWindows = true) + verifyPartialList(resultList) + } + + @Test + fun whenUnevenWindowed_thenListIsSplit() { + val resultList = unevenList.windowed(2, 2, partialWindows = false) + verifyList(resultList) + } + + @Test + fun whenGroupByWithAscendingNumbers_thenListIsSplit() { + val numberList = listOf(1, 2, 3, 4, 5, 6); + val resultList = numberList.groupBy { (it + 1) / 2 } + assertEquals("[[1, 2], [3, 4], [5, 6]]", resultList.values.toString()) + assertEquals("[1, 2, 3]", resultList.keys.toString()) + } + + @Test + fun whenGroupByWithAscendingNumbersUneven_thenListIsSplit() { + val numberList = listOf(1, 2, 3, 4, 5, 6, 7); + val resultList = numberList.groupBy { (it + 1) / 2 }.values + assertEquals("[[1, 2], [3, 4], [5, 6], [7]]", resultList.toString()) + } + + @Test + fun whenGroupByWithRandomNumbers_thenListIsSplitInWrongWay() { + val numberList = listOf(1, 3, 8, 20, 23, 30); + val resultList = numberList.groupBy { (it + 1) / 2 } + assertEquals("[[1], [3], [8], [20], [23], [30]]", resultList.values.toString()) + assertEquals("[1, 2, 4, 10, 12, 15]", resultList.keys.toString()) + } + + @Test + fun whenWithIndexGroupBy_thenListIsSplit() { + val resultList = evenList.withIndex() + .groupBy { it.index / 2 } + .map { it.value.map { it.value } } + verifyList(resultList) + } + + @Test + fun whenWithIndexGroupByUneven_thenListIsSplit() { + val resultList = unevenList.withIndex() + .groupBy { it.index / 2 } + .map { it.value.map { it.value } } + verifyPartialList(resultList) + } + + @Test + fun whenFoldIndexed_thenListIsSplit() { + val resultList = evenList.foldIndexed(ArrayList>(evenList.size / 2)) { index, acc, item -> + if (index % 2 == 0) { + acc.add(ArrayList(2)) + } + acc.last().add(item) + acc + } + verifyList(resultList) + } +} \ No newline at end of file diff --git a/core-kotlin/src/test/kotlin/com/baeldung/static/ConsoleUtilsUnitTest.kt b/core-kotlin/src/test/kotlin/com/baeldung/static/ConsoleUtilsUnitTest.kt new file mode 100644 index 0000000000..8abed144eb --- /dev/null +++ b/core-kotlin/src/test/kotlin/com/baeldung/static/ConsoleUtilsUnitTest.kt @@ -0,0 +1,10 @@ +package com.baeldung.static + +import org.junit.Test + +class ConsoleUtilsUnitTest { + @Test + fun givenAStaticMethod_whenCalled_thenNoErrorIsThrown() { + ConsoleUtils.debug("test message") + } +} \ No newline at end of file diff --git a/core-kotlin/src/test/kotlin/com/baeldung/static/LoggingUtilsUnitTest.kt b/core-kotlin/src/test/kotlin/com/baeldung/static/LoggingUtilsUnitTest.kt new file mode 100644 index 0000000000..59587ff009 --- /dev/null +++ b/core-kotlin/src/test/kotlin/com/baeldung/static/LoggingUtilsUnitTest.kt @@ -0,0 +1,10 @@ +package com.baeldung.static + +import org.junit.Test + +class LoggingUtilsUnitTest { + @Test + fun givenAPackageMethod_whenCalled_thenNoErrorIsThrown() { + debug("test message") + } +} \ No newline at end of file diff --git a/couchbase/pom.xml b/couchbase/pom.xml index 7da027597e..31e6a53388 100644 --- a/couchbase/pom.xml +++ b/couchbase/pom.xml @@ -5,9 +5,9 @@ com.baeldung couchbase 0.1-SNAPSHOT - jar couchbase Couchbase Tutorials + jar com.baeldung @@ -25,7 +25,7 @@ com.fasterxml.jackson.core jackson-databind - ${jackson-version} + ${jackson.version} @@ -70,7 +70,6 @@ 2.5.0 4.3.5.RELEASE 3.5 - 2.9.7 diff --git a/custom-pmd/pom.xml b/custom-pmd/pom.xml index 0f73282ae3..74e6d9593b 100644 --- a/custom-pmd/pom.xml +++ b/custom-pmd/pom.xml @@ -4,8 +4,8 @@ org.baeldung.pmd custom-pmd 0.0.1 - jar custom-pmd + jar http://maven.apache.org diff --git a/ddd/pom.xml b/ddd/pom.xml index a61ae24e92..4ac65ea841 100644 --- a/ddd/pom.xml +++ b/ddd/pom.xml @@ -1,25 +1,19 @@ 4.0.0 - - - org.springframework.boot - spring-boot-starter-parent - 2.0.6.RELEASE - - - com.baeldung.ddd ddd 0.0.1-SNAPSHOT - jar ddd + jar DDD series examples - - 1.0.1 - 2.22.0 - + + parent-boot-2 + com.baeldung + 0.0.1-SNAPSHOT + ../parent-boot-2 + @@ -88,4 +82,11 @@ test + + + 1.0.1 + 2.22.0 + 2.0.6.RELEASE + + \ No newline at end of file diff --git a/ddd/src/test/java/com/baeldung/ddd/order/OrderTest.java b/ddd/src/test/java/com/baeldung/ddd/order/OrderUnitTest.java similarity index 99% rename from ddd/src/test/java/com/baeldung/ddd/order/OrderTest.java rename to ddd/src/test/java/com/baeldung/ddd/order/OrderUnitTest.java index 431a6a5293..502827960a 100644 --- a/ddd/src/test/java/com/baeldung/ddd/order/OrderTest.java +++ b/ddd/src/test/java/com/baeldung/ddd/order/OrderUnitTest.java @@ -11,7 +11,7 @@ import org.joda.money.Money; import org.junit.jupiter.api.DisplayName; import org.junit.jupiter.api.Test; -class OrderTest { +class OrderUnitTest { @DisplayName("given order with two items, when calculate total cost, then sum is returned") @Test void test0() throws Exception { diff --git a/ddd/src/test/java/com/baeldung/ddd/order/jpa/ViolateOrderBusinessRulesTest.java b/ddd/src/test/java/com/baeldung/ddd/order/jpa/ViolateOrderBusinessRulesUnitTest.java similarity index 96% rename from ddd/src/test/java/com/baeldung/ddd/order/jpa/ViolateOrderBusinessRulesTest.java rename to ddd/src/test/java/com/baeldung/ddd/order/jpa/ViolateOrderBusinessRulesUnitTest.java index 3eda9250f9..6f1de3276c 100644 --- a/ddd/src/test/java/com/baeldung/ddd/order/jpa/ViolateOrderBusinessRulesTest.java +++ b/ddd/src/test/java/com/baeldung/ddd/order/jpa/ViolateOrderBusinessRulesUnitTest.java @@ -7,7 +7,7 @@ import java.math.BigDecimal; import org.junit.jupiter.api.DisplayName; import org.junit.jupiter.api.Test; -public class ViolateOrderBusinessRulesTest { +public class ViolateOrderBusinessRulesUnitTest { @DisplayName("given two non-zero order line items, when create an order with them, it's possible to set total cost to zero") @Test void test() throws Exception { diff --git a/deeplearning4j/pom.xml b/deeplearning4j/pom.xml index 38be189bd0..181dbc871c 100644 --- a/deeplearning4j/pom.xml +++ b/deeplearning4j/pom.xml @@ -3,9 +3,9 @@ 4.0.0 com.baeldung.deeplearning4j deeplearning4j - jar 1.0-SNAPSHOT deeplearning4j + jar com.baeldung diff --git a/disruptor/pom.xml b/disruptor/pom.xml index c26dcc0cd4..296704f546 100644 --- a/disruptor/pom.xml +++ b/disruptor/pom.xml @@ -4,8 +4,8 @@ com.baeldung disruptor 0.1.0-SNAPSHOT - jar disruptor + jar com.baeldung diff --git a/ethereum/pom.xml b/ethereum/pom.xml index 85cb260670..baa74b58a5 100644 --- a/ethereum/pom.xml +++ b/ethereum/pom.xml @@ -37,17 +37,17 @@ org.springframework spring-core - ${springframework.version} + ${spring.version} org.springframework spring-web - ${springframework.version} + ${spring.version} org.springframework spring-webmvc - ${springframework.version} + ${spring.version} @@ -123,12 +123,12 @@ org.springframework spring-context - ${springframework.version} + ${spring.version} org.springframework spring-test - ${springframework.version} + ${spring.version} test @@ -208,16 +208,12 @@ UTF-8 - 1.8 8.5.4 1.5.0-RELEASE 3.3.1 - 5.0.5.RELEASE 1.5.6.RELEASE 2.21.0 - 2.9.7 1.3 - 2.9.7 2.3.1 3.1.0 2.4.0 diff --git a/ethereum/src/main/java/com/baeldung/web3j/controllers/EthereumRestController.java b/ethereum/src/main/java/com/baeldung/web3j/controllers/EthereumRestController.java index e05517bc79..3238a19ff9 100644 --- a/ethereum/src/main/java/com/baeldung/web3j/controllers/EthereumRestController.java +++ b/ethereum/src/main/java/com/baeldung/web3j/controllers/EthereumRestController.java @@ -32,8 +32,8 @@ public class EthereumRestController { return CompletableFuture.supplyAsync(() -> { try { - CompletableFuture result = web3Service.getBlockNumber(); - responseTransfer.setMessage(result.get().toString()); + EthBlockNumber result = web3Service.getBlockNumber(); + responseTransfer.setMessage(result.toString()); } catch (Exception e) { responseTransfer.setMessage(GENERIC_EXCEPTION); } @@ -51,8 +51,8 @@ public class EthereumRestController { return CompletableFuture.supplyAsync(() -> { try { - CompletableFuture result = web3Service.getEthAccounts(); - responseTransfer.setMessage(result.get().toString()); + EthAccounts result = web3Service.getEthAccounts(); + responseTransfer.setMessage(result.toString()); } catch (Exception e) { responseTransfer.setMessage(GENERIC_EXCEPTION); } @@ -70,8 +70,8 @@ public class EthereumRestController { Instant start = TimeHelper.start(); return CompletableFuture.supplyAsync(() -> { try { - CompletableFuture result = web3Service.getTransactionCount(); - responseTransfer.setMessage(result.get().toString()); + EthGetTransactionCount result = web3Service.getTransactionCount(); + responseTransfer.setMessage(result.toString()); } catch (Exception e) { responseTransfer.setMessage(GENERIC_EXCEPTION); } @@ -88,8 +88,8 @@ public class EthereumRestController { Instant start = TimeHelper.start(); return CompletableFuture.supplyAsync(() -> { try { - CompletableFuture result = web3Service.getEthBalance(); - responseTransfer.setMessage(result.get().toString()); + EthGetBalance result = web3Service.getEthBalance(); + responseTransfer.setMessage(result.toString()); } catch (Exception e) { responseTransfer.setMessage(GENERIC_EXCEPTION); } diff --git a/ethereum/src/main/java/com/baeldung/web3j/services/Web3Service.java b/ethereum/src/main/java/com/baeldung/web3j/services/Web3Service.java index c943ee4006..4b7d01e52b 100644 --- a/ethereum/src/main/java/com/baeldung/web3j/services/Web3Service.java +++ b/ethereum/src/main/java/com/baeldung/web3j/services/Web3Service.java @@ -47,47 +47,47 @@ public class Web3Service { return "0x" + binary; } - public CompletableFuture getBlockNumber() { + public EthBlockNumber getBlockNumber() { EthBlockNumber result = new EthBlockNumber(); try { result = this.web3j.ethBlockNumber().sendAsync().get(); } catch (Exception ex) { System.out.println(GENERIC_EXCEPTION); } - return CompletableFuture.completedFuture(result); + return result; } - public CompletableFuture getEthAccounts() { + public EthAccounts getEthAccounts() { EthAccounts result = new EthAccounts(); try { result = this.web3j.ethAccounts().sendAsync().get(); } catch (Exception ex) { System.out.println(GENERIC_EXCEPTION); } - return CompletableFuture.completedFuture(result); + return result; } - public CompletableFuture getTransactionCount() { + public EthGetTransactionCount getTransactionCount() { EthGetTransactionCount result = new EthGetTransactionCount(); try { result = this.web3j.ethGetTransactionCount(DEFAULT_ADDRESS, DefaultBlockParameter.valueOf("latest")).sendAsync().get(); } catch (Exception ex) { System.out.println(GENERIC_EXCEPTION); } - return CompletableFuture.completedFuture(result); + return result; } - public CompletableFuture getEthBalance() { + public EthGetBalance getEthBalance() { EthGetBalance result = new EthGetBalance(); try { result = this.web3j.ethGetBalance(DEFAULT_ADDRESS, DefaultBlockParameter.valueOf("latest")).sendAsync().get(); } catch (Exception ex) { System.out.println(GENERIC_EXCEPTION); } - return CompletableFuture.completedFuture(result); + return result; } - public CompletableFuture fromScratchContractExample() { + public String fromScratchContractExample() { String contractAddress = ""; @@ -108,13 +108,13 @@ public class Web3Service { } catch (Exception ex) { System.out.println(PLEASE_SUPPLY_REAL_DATA); - return CompletableFuture.completedFuture(PLEASE_SUPPLY_REAL_DATA); + return PLEASE_SUPPLY_REAL_DATA; } - return CompletableFuture.completedFuture(contractAddress); + return contractAddress; } @Async - public CompletableFuture sendTx() { + public String sendTx() { String transactionHash = ""; try { @@ -135,10 +135,10 @@ public class Web3Service { } catch (Exception ex) { System.out.println(PLEASE_SUPPLY_REAL_DATA); - return CompletableFuture.completedFuture(PLEASE_SUPPLY_REAL_DATA); + return PLEASE_SUPPLY_REAL_DATA; } - return CompletableFuture.completedFuture(transactionHash); + return transactionHash; } } diff --git a/ethereum/src/test/java/com/baeldung/web3j/services/EthereumContractUnitTest.java b/ethereum/src/test/java/com/baeldung/web3j/services/EthereumContractUnitTest.java index 382c96e985..ff02659bd5 100644 --- a/ethereum/src/test/java/com/baeldung/web3j/services/EthereumContractUnitTest.java +++ b/ethereum/src/test/java/com/baeldung/web3j/services/EthereumContractUnitTest.java @@ -4,8 +4,6 @@ import org.junit.After; import org.junit.Before; import org.junit.Test; -import java.util.concurrent.CompletableFuture; - public class EthereumContractUnitTest { private Web3Service web3Service; @@ -17,14 +15,14 @@ public class EthereumContractUnitTest { @Test public void testContract() { - CompletableFuture result = web3Service.fromScratchContractExample(); - assert (result instanceof CompletableFuture); + String result = web3Service.fromScratchContractExample(); + assert (result instanceof String); } @Test public void sendTx() { - CompletableFuture result = web3Service.sendTx(); - assert (result instanceof CompletableFuture); + String result = web3Service.sendTx(); + assert (result instanceof String); } @After diff --git a/feign/pom.xml b/feign/pom.xml index ea645383c1..d2fa334270 100644 --- a/feign/pom.xml +++ b/feign/pom.xml @@ -56,7 +56,6 @@ 9.4.0 - 1.16.12 1.4.2.RELEASE diff --git a/flyway-cdi-extension/pom.xml b/flyway-cdi-extension/pom.xml index dbb32f1e5a..f49a51ea4b 100644 --- a/flyway-cdi-extension/pom.xml +++ b/flyway-cdi-extension/pom.xml @@ -8,44 +8,49 @@ 1.0-SNAPSHOT flyway-cdi-extension - - 1.8 - 1.8 - - javax.enterprise cdi-api - 2.0.SP1 + ${cdi-api.version} org.jboss.weld.se weld-se-core - 3.0.5.Final + ${weld-se-core.version} runtime org.flywaydb flyway-core - 5.1.4 + ${flyway-core.version} org.apache.tomcat tomcat-jdbc - 8.5.33 + ${tomcat-jdbc.version} javax.annotation javax.annotation-api - 1.3.2 + ${javax.annotation-api.version} com.h2database h2 - 1.4.197 + ${h2.version} runtime + + 1.8 + 1.8 + 2.0.SP1 + 3.0.5.Final + 5.1.4 + 8.5.33 + 1.3.2 + 1.4.197 + diff --git a/geotools/pom.xml b/geotools/pom.xml index 3ac8a63564..17beded326 100644 --- a/geotools/pom.xml +++ b/geotools/pom.xml @@ -4,8 +4,8 @@ 4.0.0 geotools 0.0.1-SNAPSHOT - jar geotools + jar http://maven.apache.org @@ -33,24 +33,11 @@ - - maven2-repository.dev.java.net - Java.net repository - http://download.java.net/maven/2 - osgeo Open Source Geospatial Foundation Repository http://download.osgeo.org/webdav/geotools/ - - - true - - opengeo - OpenGeo Maven Repository - http://repo.opengeo.org - diff --git a/google-cloud/pom.xml b/google-cloud/pom.xml index 85f47cc2f5..e39e186f05 100644 --- a/google-cloud/pom.xml +++ b/google-cloud/pom.xml @@ -4,9 +4,9 @@ 4.0.0 google-cloud 0.1-SNAPSHOT - jar google-cloud Google Cloud Tutorials + jar com.baeldung diff --git a/google-web-toolkit/pom.xml b/google-web-toolkit/pom.xml index db9ce2eac0..f4c6a0ab39 100644 --- a/google-web-toolkit/pom.xml +++ b/google-web-toolkit/pom.xml @@ -7,9 +7,9 @@ 4.0.0 com.baeldung google-web-toolkit - war 1.0-SNAPSHOT google-web-toolkit + war com.baeldung @@ -23,7 +23,7 @@ com.google.gwt gwt - 2.8.2 + ${gwt.version} pom import @@ -49,7 +49,7 @@ junit junit - 4.11 + ${junit.version} test @@ -120,6 +120,8 @@ UTF-8 UTF-8 + 4.11 + 2.8.2 diff --git a/grpc/pom.xml b/grpc/pom.xml index 725bec3e70..ab550c31d7 100644 --- a/grpc/pom.xml +++ b/grpc/pom.xml @@ -3,8 +3,8 @@ 4.0.0 grpc 0.0.1-SNAPSHOT - jar grpc + jar com.baeldung diff --git a/gson/README.md b/gson/README.md index e1eb155f43..02b06eac20 100644 --- a/gson/README.md +++ b/gson/README.md @@ -9,3 +9,5 @@ - [Exclude Fields from Serialization in Gson](http://www.baeldung.com/gson-exclude-fields-serialization) - [Save Data to a JSON File with Gson](https://www.baeldung.com/gson-save-file) - [Convert JSON to a Map Using Gson](https://www.baeldung.com/gson-json-to-map) +- [Working with Primitive Values in Gson](https://www.baeldung.com/java-gson-primitives) +- [Convert String to JsonObject with Gson](https://www.baeldung.com/gson-string-to-jsonobject) diff --git a/gson/src/main/java/org/baeldung/gson/entities/Animal.java b/gson/src/main/java/org/baeldung/gson/entities/Animal.java new file mode 100644 index 0000000000..2eec5f8704 --- /dev/null +++ b/gson/src/main/java/org/baeldung/gson/entities/Animal.java @@ -0,0 +1,5 @@ +package org.baeldung.gson.entities; + +public abstract class Animal { + public String type = "Animal"; +} diff --git a/gson/src/main/java/org/baeldung/gson/entities/Cow.java b/gson/src/main/java/org/baeldung/gson/entities/Cow.java new file mode 100644 index 0000000000..020bcd5860 --- /dev/null +++ b/gson/src/main/java/org/baeldung/gson/entities/Cow.java @@ -0,0 +1,19 @@ +package org.baeldung.gson.entities; + +public class Cow extends Animal { + private String breed; + + public Cow() { + breed = "Jersey"; + type = "Cow"; + } + + public String getBreed() { + return breed; + } + + public void setBreed(String breed) { + this.breed = breed; + } +} + diff --git a/gson/src/main/java/org/baeldung/gson/entities/Dog.java b/gson/src/main/java/org/baeldung/gson/entities/Dog.java new file mode 100644 index 0000000000..042d73adcf --- /dev/null +++ b/gson/src/main/java/org/baeldung/gson/entities/Dog.java @@ -0,0 +1,18 @@ +package org.baeldung.gson.entities; + +public class Dog extends Animal { + private String petName; + + public Dog() { + petName = "Milo"; + type = "Dog"; + } + + public String getPetName() { + return petName; + } + + public void setPetName(String petName) { + this.petName = petName; + } +} diff --git a/gson/src/main/java/org/baeldung/gson/entities/MyClass.java b/gson/src/main/java/org/baeldung/gson/entities/MyClass.java new file mode 100644 index 0000000000..4e717e72c3 --- /dev/null +++ b/gson/src/main/java/org/baeldung/gson/entities/MyClass.java @@ -0,0 +1,49 @@ +package org.baeldung.gson.entities; + +import java.util.Objects; + +public class MyClass { + private int id; + private String name; + + public MyClass(int id, String name) { + this.id = id; + this.name = name; + } + + public MyClass() { } + + public int getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + @Override + public boolean equals(Object o) { + if (this == o) { + return true; + } + if (o == null || getClass() != o.getClass()) { + return false; + } + MyClass myClass = (MyClass) o; + return id == myClass.id && Objects.equals(name, myClass.name); + } + + @Override + public int hashCode() { + + return Objects.hash(id, name); + } +} diff --git a/gson/src/main/java/org/baeldung/gson/serialization/AnimalDeserializer.java b/gson/src/main/java/org/baeldung/gson/serialization/AnimalDeserializer.java new file mode 100644 index 0000000000..9dcef0e10b --- /dev/null +++ b/gson/src/main/java/org/baeldung/gson/serialization/AnimalDeserializer.java @@ -0,0 +1,35 @@ +package org.baeldung.gson.serialization; + +import com.google.gson.Gson; +import com.google.gson.JsonDeserializationContext; +import com.google.gson.JsonDeserializer; +import com.google.gson.JsonElement; +import com.google.gson.JsonObject; +import java.lang.reflect.Type; +import java.util.HashMap; +import java.util.Map; +import org.baeldung.gson.entities.Animal; + +public class AnimalDeserializer implements JsonDeserializer { + private String animalTypeElementName; + private Gson gson; + private Map> animalTypeRegistry; + + public AnimalDeserializer(String animalTypeElementName) { + this.animalTypeElementName = animalTypeElementName; + this.gson = new Gson(); + this.animalTypeRegistry = new HashMap<>(); + } + + public void registerBarnType(String animalTypeName, Class animalType) { + animalTypeRegistry.put(animalTypeName, animalType); + } + + public Animal deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) { + JsonObject animalObject = json.getAsJsonObject(); + JsonElement animalTypeElement = animalObject.get(animalTypeElementName); + + Class animalType = animalTypeRegistry.get(animalTypeElement.getAsString()); + return gson.fromJson(animalObject, animalType); + } +} \ No newline at end of file diff --git a/gson/src/test/java/org/baeldung/gson/advance/GsonAdvanceUnitTest.java b/gson/src/test/java/org/baeldung/gson/advance/GsonAdvanceUnitTest.java new file mode 100644 index 0000000000..5b787f1956 --- /dev/null +++ b/gson/src/test/java/org/baeldung/gson/advance/GsonAdvanceUnitTest.java @@ -0,0 +1,117 @@ +package org.baeldung.gson.advance; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertTrue; + +import com.google.gson.Gson; +import com.google.gson.GsonBuilder; +import com.google.gson.reflect.TypeToken; +import java.lang.reflect.Type; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; +import org.baeldung.gson.entities.Animal; +import org.baeldung.gson.entities.Cow; +import org.baeldung.gson.entities.Dog; +import org.baeldung.gson.entities.MyClass; +import org.baeldung.gson.serialization.AnimalDeserializer; +import org.junit.Test; + +public class GsonAdvanceUnitTest { + + @Test + public void givenListOfMyClass_whenSerializing_thenCorrect() { + List list = Arrays.asList(new MyClass(1, "name1"), new MyClass(2, "name2")); + + Gson gson = new Gson(); + String jsonString = gson.toJson(list); + String expectedString = "[{\"id\":1,\"name\":\"name1\"},{\"id\":2,\"name\":\"name2\"}]"; + + assertEquals(expectedString, jsonString); + } + + @Test(expected = ClassCastException.class) + public void givenJsonString_whenIncorrectDeserializing_thenThrowClassCastException() { + String inputString = "[{\"id\":1,\"name\":\"name1\"},{\"id\":2,\"name\":\"name2\"}]"; + + Gson gson = new Gson(); + List outputList = gson.fromJson(inputString, ArrayList.class); + + assertEquals(1, outputList.get(0).getId()); + } + + @Test + public void givenJsonString_whenDeserializing_thenReturnListOfMyClass() { + String inputString = "[{\"id\":1,\"name\":\"name1\"},{\"id\":2,\"name\":\"name2\"}]"; + List inputList = Arrays.asList(new MyClass(1, "name1"), new MyClass(2, "name2")); + + Type listOfMyClassObject = new TypeToken>() {}.getType(); + + Gson gson = new Gson(); + List outputList = gson.fromJson(inputString, listOfMyClassObject); + + assertEquals(inputList, outputList); + } + + @Test + public void givenPolymorphicList_whenSerializeWithTypeAdapter_thenCorrect() { + String expectedString = "[{\"petName\":\"Milo\",\"type\":\"Dog\"},{\"breed\":\"Jersey\",\"type\":\"Cow\"}]"; + + List inList = new ArrayList<>(); + inList.add(new Dog()); + inList.add(new Cow()); + + String jsonString = new Gson().toJson(inList); + + assertEquals(expectedString, jsonString); + } + + @Test + public void givenPolymorphicList_whenDeserializeWithTypeAdapter_thenCorrect() { + String inputString = "[{\"petName\":\"Milo\",\"type\":\"Dog\"},{\"breed\":\"Jersey\",\"type\":\"Cow\"}]"; + + AnimalDeserializer deserializer = new AnimalDeserializer("type"); + deserializer.registerBarnType("Dog", Dog.class); + deserializer.registerBarnType("Cow", Cow.class); + Gson gson = new GsonBuilder() + .registerTypeAdapter(Animal.class, deserializer) + .create(); + + List outList = gson.fromJson(inputString, new TypeToken>(){}.getType()); + + assertEquals(2, outList.size()); + assertTrue(outList.get(0) instanceof Dog); + assertTrue(outList.get(1) instanceof Cow); + } + + @Test + public void givenPolymorphicList_whenSerializeWithRuntimeTypeAdapter_thenCorrect() { + String expectedString = "[{\"petName\":\"Milo\",\"type\":\"Dog\"},{\"breed\":\"Jersey\",\"type\":\"Cow\"}]"; + + List inList = new ArrayList<>(); + inList.add(new Dog()); + inList.add(new Cow()); + String jsonString = new Gson().toJson(inList); + + assertEquals(expectedString, jsonString); + } + + @Test + public void givenPolymorphicList_whenDeserializeWithRuntimeTypeAdapter_thenCorrect() { + String inputString = "[{\"petName\":\"Milo\",\"type\":\"Dog\"},{\"breed\":\"Jersey\",\"type\":\"Cow\"}]"; + + Type listOfAnimals = new TypeToken>() {}.getType(); + + RuntimeTypeAdapterFactory adapter = RuntimeTypeAdapterFactory.of(Animal.class, "type") + .registerSubtype(Dog.class) + .registerSubtype(Cow.class); + + Gson gson = new GsonBuilder().registerTypeAdapterFactory(adapter).create(); + + List outList = gson.fromJson(inputString, listOfAnimals); + + assertEquals(2, outList.size()); + assertTrue(outList.get(0) instanceof Dog); + assertTrue(outList.get(1) instanceof Cow); + } +} \ No newline at end of file diff --git a/gson/src/test/java/org/baeldung/gson/advance/RuntimeTypeAdapterFactory.java b/gson/src/test/java/org/baeldung/gson/advance/RuntimeTypeAdapterFactory.java new file mode 100644 index 0000000000..739dd889c7 --- /dev/null +++ b/gson/src/test/java/org/baeldung/gson/advance/RuntimeTypeAdapterFactory.java @@ -0,0 +1,265 @@ +package org.baeldung.gson.advance; + +/* + * Copyright (C) 2011 Google Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +import java.io.IOException; +import java.util.LinkedHashMap; +import java.util.Map; + +import com.google.gson.Gson; +import com.google.gson.JsonElement; +import com.google.gson.JsonObject; +import com.google.gson.JsonParseException; +import com.google.gson.JsonPrimitive; +import com.google.gson.TypeAdapter; +import com.google.gson.TypeAdapterFactory; +import com.google.gson.internal.Streams; +import com.google.gson.reflect.TypeToken; +import com.google.gson.stream.JsonReader; +import com.google.gson.stream.JsonWriter; + +/** + * Adapts values whose runtime type may differ from their declaration type. This + * is necessary when a field's type is not the same type that GSON should create + * when deserializing that field. For example, consider these types: + * 
   {@code
+ *   abstract class Shape {
+ *     int x;
+ *     int y;
+ *   }
+ *   class Circle extends Shape {
+ *     int radius;
+ *   }
+ *   class Rectangle extends Shape {
+ *     int width;
+ *     int height;
+ *   }
+ *   class Diamond extends Shape {
+ *     int width;
+ *     int height;
+ *   }
+ *   class Drawing {
+ *     Shape bottomShape;
+ *     Shape topShape;
+ *   }
+ * }
+ *

Without additional type information, the serialized JSON is ambiguous. Is + * the bottom shape in this drawing a rectangle or a diamond? 

   {@code
+ *   {
+ *     "bottomShape": {
+ *       "width": 10,
+ *       "height": 5,
+ *       "x": 0,
+ *       "y": 0
+ *     },
+ *     "topShape": {
+ *       "radius": 2,
+ *       "x": 4,
+ *       "y": 1
+ *     }
+ *   }}
+ * This class addresses this problem by adding type information to the + * serialized JSON and honoring that type information when the JSON is + * deserialized: 
   {@code
+ *   {
+ *     "bottomShape": {
+ *       "type": "Diamond",
+ *       "width": 10,
+ *       "height": 5,
+ *       "x": 0,
+ *       "y": 0
+ *     },
+ *     "topShape": {
+ *       "type": "Circle",
+ *       "radius": 2,
+ *       "x": 4,
+ *       "y": 1
+ *     }
+ *   }}
+ * Both the type field name ({@code "type"}) and the type labels ({@code + * "Rectangle"}) are configurable. + * + *

Registering Types

+ * Create a {@code RuntimeTypeAdapterFactory} by passing the base type and type field + * name to the {@link #of} factory method. If you don't supply an explicit type + * field name, {@code "type"} will be used. 
   {@code
+ *   RuntimeTypeAdapterFactory shapeAdapterFactory
+ *       = RuntimeTypeAdapterFactory.of(Shape.class, "type");
+ * }
+ * Next register all of your subtypes. Every subtype must be explicitly + * registered. This protects your application from injection attacks. If you + * don't supply an explicit type label, the type's simple name will be used. + * 
   {@code
+ *   shapeAdapterFactory.registerSubtype(Rectangle.class, "Rectangle");
+ *   shapeAdapterFactory.registerSubtype(Circle.class, "Circle");
+ *   shapeAdapterFactory.registerSubtype(Diamond.class, "Diamond");
+ * }
+ * Finally, register the type adapter factory in your application's GSON builder: + * 
   {@code
+ *   Gson gson = new GsonBuilder()
+ *       .registerTypeAdapterFactory(shapeAdapterFactory)
+ *       .create();
+ * }
+ * Like {@code GsonBuilder}, this API supports chaining: 
   {@code
+ *   RuntimeTypeAdapterFactory shapeAdapterFactory = RuntimeTypeAdapterFactory.of(Shape.class)
+ *       .registerSubtype(Rectangle.class)
+ *       .registerSubtype(Circle.class)
+ *       .registerSubtype(Diamond.class);
+ * }
+ */ +public final class RuntimeTypeAdapterFactory implements TypeAdapterFactory { + private final Class baseType; + private final String typeFieldName; + private final Map> labelToSubtype = new LinkedHashMap>(); + private final Map, String> subtypeToLabel = new LinkedHashMap, String>(); + private final boolean maintainType; + + private RuntimeTypeAdapterFactory(Class baseType, String typeFieldName, boolean maintainType) { + if (typeFieldName == null || baseType == null) { + throw new NullPointerException(); + } + this.baseType = baseType; + this.typeFieldName = typeFieldName; + this.maintainType = maintainType; + } + + /** + * Creates a new runtime type adapter using for {@code baseType} using {@code + * typeFieldName} as the type field name. Type field names are case sensitive. + * {@code maintainType} flag decide if the type will be stored in pojo or not. + */ + public static RuntimeTypeAdapterFactory of(Class baseType, String typeFieldName, boolean maintainType) { + return new RuntimeTypeAdapterFactory(baseType, typeFieldName, maintainType); + } + + /** + * Creates a new runtime type adapter using for {@code baseType} using {@code + * typeFieldName} as the type field name. Type field names are case sensitive. + */ + public static RuntimeTypeAdapterFactory of(Class baseType, String typeFieldName) { + return new RuntimeTypeAdapterFactory(baseType, typeFieldName, false); + } + + /** + * Creates a new runtime type adapter for {@code baseType} using {@code "type"} as + * the type field name. + */ + public static RuntimeTypeAdapterFactory of(Class baseType) { + return new RuntimeTypeAdapterFactory(baseType, "type", false); + } + + /** + * Registers {@code type} identified by {@code label}. Labels are case + * sensitive. + * + * @throws IllegalArgumentException if either {@code type} or {@code label} + * have already been registered on this type adapter. + */ + public RuntimeTypeAdapterFactory registerSubtype(Class type, String label) { + if (type == null || label == null) { + throw new NullPointerException(); + } + if (subtypeToLabel.containsKey(type) || labelToSubtype.containsKey(label)) { + throw new IllegalArgumentException("types and labels must be unique"); + } + labelToSubtype.put(label, type); + subtypeToLabel.put(type, label); + return this; + } + + /** + * Registers {@code type} identified by its {@link Class#getSimpleName simple + * name}. Labels are case sensitive. + * + * @throws IllegalArgumentException if either {@code type} or its simple name + * have already been registered on this type adapter. + */ + public RuntimeTypeAdapterFactory registerSubtype(Class type) { + return registerSubtype(type, type.getSimpleName()); + } + + public TypeAdapter create(Gson gson, TypeToken type) { + if (type.getRawType() != baseType) { + return null; + } + + final Map> labelToDelegate + = new LinkedHashMap>(); + final Map, TypeAdapter> subtypeToDelegate + = new LinkedHashMap, TypeAdapter>(); + for (Map.Entry> entry : labelToSubtype.entrySet()) { + TypeAdapter delegate = gson.getDelegateAdapter(this, TypeToken.get(entry.getValue())); + labelToDelegate.put(entry.getKey(), delegate); + subtypeToDelegate.put(entry.getValue(), delegate); + } + + return new TypeAdapter() { + @Override public R read(JsonReader in) throws IOException { + JsonElement jsonElement = Streams.parse(in); + JsonElement labelJsonElement; + if (maintainType) { + labelJsonElement = jsonElement.getAsJsonObject().get(typeFieldName); + } else { + labelJsonElement = jsonElement.getAsJsonObject().remove(typeFieldName); + } + + if (labelJsonElement == null) { + throw new JsonParseException("cannot deserialize " + baseType + + " because it does not define a field named " + typeFieldName); + } + String label = labelJsonElement.getAsString(); + @SuppressWarnings("unchecked") // registration requires that subtype extends T + TypeAdapter delegate = (TypeAdapter) labelToDelegate.get(label); + if (delegate == null) { + throw new JsonParseException("cannot deserialize " + baseType + " subtype named " + + label + "; did you forget to register a subtype?"); + } + return delegate.fromJsonTree(jsonElement); + } + + @Override public void write(JsonWriter out, R value) throws IOException { + Class srcType = value.getClass(); + String label = subtypeToLabel.get(srcType); + @SuppressWarnings("unchecked") // registration requires that subtype extends T + TypeAdapter delegate = (TypeAdapter) subtypeToDelegate.get(srcType); + if (delegate == null) { + throw new JsonParseException("cannot serialize " + srcType.getName() + + "; did you forget to register a subtype?"); + } + JsonObject jsonObject = delegate.toJsonTree(value).getAsJsonObject(); + + if (maintainType) { + Streams.write(jsonObject, out); + return; + } + + JsonObject clone = new JsonObject(); + + if (jsonObject.has(typeFieldName)) { + throw new JsonParseException("cannot serialize " + srcType.getName() + + " because it already defines a field named " + typeFieldName); + } + clone.add(typeFieldName, new JsonPrimitive(label)); + + for (Map.Entry e : jsonObject.entrySet()) { + clone.add(e.getKey(), e.getValue()); + } + Streams.write(clone, out); + } + }.nullSafe(); + } +} diff --git a/gson/src/test/java/org/baeldung/gson/conversion/JsonObjectConversionsUnitTest.java b/gson/src/test/java/org/baeldung/gson/conversion/JsonObjectConversionsUnitTest.java new file mode 100644 index 0000000000..847ec1b85d --- /dev/null +++ b/gson/src/test/java/org/baeldung/gson/conversion/JsonObjectConversionsUnitTest.java @@ -0,0 +1,33 @@ +package org.baeldung.gson.conversion; + +import com.google.gson.*; +import org.junit.Assert; +import org.junit.jupiter.api.Test; + +public class JsonObjectConversionsUnitTest { + + @Test + void whenUsingJsonParser_thenConvertToJsonObject() throws Exception { + // Example 1: Using JsonParser + String json = "{ \"name\": \"Baeldung\", \"java\": true }"; + + JsonObject jsonObject = new JsonParser().parse(json).getAsJsonObject(); + + Assert.assertTrue(jsonObject.isJsonObject()); + Assert.assertTrue(jsonObject.get("name").getAsString().equals("Baeldung")); + Assert.assertTrue(jsonObject.get("java").getAsBoolean() == true); + } + + @Test + void whenUsingGsonInstanceFromJson_thenConvertToJsonObject() throws Exception { + // Example 2: Using fromJson + String json = "{ \"name\": \"Baeldung\", \"java\": true }"; + + JsonObject convertedObject = new Gson().fromJson(json, JsonObject.class); + + Assert.assertTrue(convertedObject.isJsonObject()); + Assert.assertTrue(convertedObject.get("name").getAsString().equals("Baeldung")); + Assert.assertTrue(convertedObject.get("java").getAsBoolean() == true); + } + +} diff --git a/guava-modules/pom.xml b/guava-modules/pom.xml new file mode 100644 index 0000000000..fed9e446f7 --- /dev/null +++ b/guava-modules/pom.xml @@ -0,0 +1,22 @@ + + + 4.0.0 + guava-modules + guava-modules + pom + + + com.baeldung + parent-modules + 1.0.0-SNAPSHOT + .. + + + + guava-18 + guava-19 + guava-21 + + + diff --git a/guava/README.md b/guava/README.md index 0346d34903..60754dbe57 100644 --- a/guava/README.md +++ b/guava/README.md @@ -18,4 +18,3 @@ - [Hamcrest Text Matchers](http://www.baeldung.com/hamcrest-text-matchers) - [Quick Guide to the Guava RateLimiter](http://www.baeldung.com/guava-rate-limiter) - [Hamcrest File Matchers](https://www.baeldung.com/hamcrest-file-matchers) -- [SHA-256 Hashing in Java](https://www.baeldung.com/sha-256-hashing-java) diff --git a/guest/spring-boot-app/src/test/java/com/stackify/test/EmployeeControllerTest.java b/guest/spring-boot-app/src/test/java/com/stackify/test/EmployeeControllerUnitTest.java similarity index 97% rename from guest/spring-boot-app/src/test/java/com/stackify/test/EmployeeControllerTest.java rename to guest/spring-boot-app/src/test/java/com/stackify/test/EmployeeControllerUnitTest.java index 2711a77ebd..9808546e82 100644 --- a/guest/spring-boot-app/src/test/java/com/stackify/test/EmployeeControllerTest.java +++ b/guest/spring-boot-app/src/test/java/com/stackify/test/EmployeeControllerUnitTest.java @@ -21,7 +21,7 @@ import com.stackify.Application; @RunWith(SpringRunner.class) @SpringBootTest(classes = Application.class) @WebAppConfiguration -public class EmployeeControllerTest { +public class EmployeeControllerUnitTest { private static final String CONTENT_TYPE = "application/json;charset=UTF-8"; diff --git a/guice/README.md b/guice/README.md index d1bd1ff883..77c788c363 100644 --- a/guice/README.md +++ b/guice/README.md @@ -2,3 +2,4 @@ ### Relevant Articles - [Guide to Google Guice](http://www.baeldung.com/guice) +- [Guice vs Spring – Dependency Injection](https://www.baeldung.com/guice-spring-dependency-injection) diff --git a/guice/pom.xml b/guice/pom.xml index f3e7873245..8ed2b557dc 100644 --- a/guice/pom.xml +++ b/guice/pom.xml @@ -5,8 +5,8 @@ com.baeldung.examples.guice guice 1.0-SNAPSHOT - jar guice + jar com.baeldung @@ -26,4 +26,4 @@ 4.1.0 - + \ No newline at end of file diff --git a/guice/src/main/java/com/baeldung/examples/common/Account.java b/guice/src/main/java/com/baeldung/examples/common/Account.java new file mode 100644 index 0000000000..fd2df005ac --- /dev/null +++ b/guice/src/main/java/com/baeldung/examples/common/Account.java @@ -0,0 +1,24 @@ +package com.baeldung.examples.common; + +public class Account { + + private String accountNumber; + private String type; + + public String getAccountNumber() { + return accountNumber; + } + + public void setAccountNumber(String accountNumber) { + this.accountNumber = accountNumber; + } + + public String getType() { + return type; + } + + public void setType(String type) { + this.type = type; + } + +} diff --git a/guice/src/main/java/com/baeldung/examples/common/AccountService.java b/guice/src/main/java/com/baeldung/examples/common/AccountService.java new file mode 100644 index 0000000000..97a64e3c6e --- /dev/null +++ b/guice/src/main/java/com/baeldung/examples/common/AccountService.java @@ -0,0 +1,5 @@ +package com.baeldung.examples.common; + +public interface AccountService { + +} diff --git a/guice/src/main/java/com/baeldung/examples/common/AccountServiceImpl.java b/guice/src/main/java/com/baeldung/examples/common/AccountServiceImpl.java new file mode 100644 index 0000000000..18d6777c4a --- /dev/null +++ b/guice/src/main/java/com/baeldung/examples/common/AccountServiceImpl.java @@ -0,0 +1,5 @@ +package com.baeldung.examples.common; + +public class AccountServiceImpl implements AccountService { + +} diff --git a/guice/src/main/java/com/baeldung/examples/common/AudioBookService.java b/guice/src/main/java/com/baeldung/examples/common/AudioBookService.java new file mode 100644 index 0000000000..5d501f2051 --- /dev/null +++ b/guice/src/main/java/com/baeldung/examples/common/AudioBookService.java @@ -0,0 +1,5 @@ +package com.baeldung.examples.common; + +public interface AudioBookService { + +} diff --git a/guice/src/main/java/com/baeldung/examples/common/AudioBookServiceImpl.java b/guice/src/main/java/com/baeldung/examples/common/AudioBookServiceImpl.java new file mode 100644 index 0000000000..c64e953a58 --- /dev/null +++ b/guice/src/main/java/com/baeldung/examples/common/AudioBookServiceImpl.java @@ -0,0 +1,5 @@ +package com.baeldung.examples.common; + +public class AudioBookServiceImpl implements AudioBookService { + +} diff --git a/guice/src/main/java/com/baeldung/examples/common/AuthorService.java b/guice/src/main/java/com/baeldung/examples/common/AuthorService.java new file mode 100644 index 0000000000..9be148b8c3 --- /dev/null +++ b/guice/src/main/java/com/baeldung/examples/common/AuthorService.java @@ -0,0 +1,5 @@ +package com.baeldung.examples.common; + +public interface AuthorService { + +} diff --git a/guice/src/main/java/com/baeldung/examples/common/AuthorServiceImpl.java b/guice/src/main/java/com/baeldung/examples/common/AuthorServiceImpl.java new file mode 100644 index 0000000000..bac532e469 --- /dev/null +++ b/guice/src/main/java/com/baeldung/examples/common/AuthorServiceImpl.java @@ -0,0 +1,5 @@ +package com.baeldung.examples.common; + +public class AuthorServiceImpl implements AuthorService { + +} diff --git a/guice/src/main/java/com/baeldung/examples/common/BookService.java b/guice/src/main/java/com/baeldung/examples/common/BookService.java new file mode 100644 index 0000000000..56339c1398 --- /dev/null +++ b/guice/src/main/java/com/baeldung/examples/common/BookService.java @@ -0,0 +1,5 @@ +package com.baeldung.examples.common; + +public interface BookService { + +} diff --git a/guice/src/main/java/com/baeldung/examples/common/BookServiceImpl.java b/guice/src/main/java/com/baeldung/examples/common/BookServiceImpl.java new file mode 100644 index 0000000000..aee0d22e51 --- /dev/null +++ b/guice/src/main/java/com/baeldung/examples/common/BookServiceImpl.java @@ -0,0 +1,7 @@ +package com.baeldung.examples.common; + +public class BookServiceImpl implements BookService { + + private AuthorService authorService; + +} diff --git a/guice/src/main/java/com/baeldung/examples/common/PersonDao.java b/guice/src/main/java/com/baeldung/examples/common/PersonDao.java new file mode 100644 index 0000000000..980fee0252 --- /dev/null +++ b/guice/src/main/java/com/baeldung/examples/common/PersonDao.java @@ -0,0 +1,5 @@ +package com.baeldung.examples.common; + +public interface PersonDao { + +} diff --git a/guice/src/main/java/com/baeldung/examples/common/PersonDaoImpl.java b/guice/src/main/java/com/baeldung/examples/common/PersonDaoImpl.java new file mode 100644 index 0000000000..ecbf198cc0 --- /dev/null +++ b/guice/src/main/java/com/baeldung/examples/common/PersonDaoImpl.java @@ -0,0 +1,5 @@ +package com.baeldung.examples.common; + +public class PersonDaoImpl implements PersonDao { + +} \ No newline at end of file diff --git a/guice/src/main/java/com/baeldung/examples/guice/Foo.java b/guice/src/main/java/com/baeldung/examples/guice/Foo.java new file mode 100644 index 0000000000..fca32b165b --- /dev/null +++ b/guice/src/main/java/com/baeldung/examples/guice/Foo.java @@ -0,0 +1,4 @@ +package com.baeldung.examples.guice; + +public class Foo { +} diff --git a/guice/src/main/java/com/baeldung/examples/guice/FooProcessor.java b/guice/src/main/java/com/baeldung/examples/guice/FooProcessor.java new file mode 100644 index 0000000000..929013cd2b --- /dev/null +++ b/guice/src/main/java/com/baeldung/examples/guice/FooProcessor.java @@ -0,0 +1,9 @@ +package com.baeldung.examples.guice; + +import com.google.inject.Inject; + +public class FooProcessor { + + @Inject + private Foo foo; +} \ No newline at end of file diff --git a/guice/src/main/java/com/baeldung/examples/guice/GuicePersonService.java b/guice/src/main/java/com/baeldung/examples/guice/GuicePersonService.java new file mode 100644 index 0000000000..ce12e3e528 --- /dev/null +++ b/guice/src/main/java/com/baeldung/examples/guice/GuicePersonService.java @@ -0,0 +1,19 @@ +package com.baeldung.examples.guice; + +import com.baeldung.examples.common.PersonDao; +import com.google.inject.Inject; + +public class GuicePersonService { + + @Inject + private PersonDao personDao; + + public PersonDao getPersonDao() { + return personDao; + } + + public void setPersonDao(PersonDao personDao) { + this.personDao = personDao; + } + +} diff --git a/guice/src/main/java/com/baeldung/examples/guice/GuiceUserService.java b/guice/src/main/java/com/baeldung/examples/guice/GuiceUserService.java new file mode 100644 index 0000000000..0e58d0bacf --- /dev/null +++ b/guice/src/main/java/com/baeldung/examples/guice/GuiceUserService.java @@ -0,0 +1,19 @@ +package com.baeldung.examples.guice; + +import com.baeldung.examples.common.AccountService; +import com.google.inject.Inject; + +public class GuiceUserService { + + @Inject + private AccountService accountService; + + public AccountService getAccountService() { + return accountService; + } + + public void setAccountService(AccountService accountService) { + this.accountService = accountService; + } + +} diff --git a/guice/src/main/java/com/baeldung/examples/guice/Person.java b/guice/src/main/java/com/baeldung/examples/guice/Person.java new file mode 100644 index 0000000000..d54b5110eb --- /dev/null +++ b/guice/src/main/java/com/baeldung/examples/guice/Person.java @@ -0,0 +1,24 @@ +package com.baeldung.examples.guice; + +public class Person { + private String firstName; + + private String lastName; + + public String getFirstName() { + return firstName; + } + + public void setFirstName(String firstName) { + this.firstName = firstName; + } + + public String getLastName() { + return lastName; + } + + public void setLastName(String lastName) { + this.lastName = lastName; + } + +} diff --git a/guice/src/main/java/com/baeldung/examples/guice/modules/GuiceModule.java b/guice/src/main/java/com/baeldung/examples/guice/modules/GuiceModule.java new file mode 100644 index 0000000000..fbcd36b56a --- /dev/null +++ b/guice/src/main/java/com/baeldung/examples/guice/modules/GuiceModule.java @@ -0,0 +1,50 @@ +package com.baeldung.examples.guice.modules; + +import com.baeldung.examples.common.AccountService; +import com.baeldung.examples.common.AccountServiceImpl; +import com.baeldung.examples.common.BookService; +import com.baeldung.examples.common.BookServiceImpl; +import com.baeldung.examples.common.PersonDao; +import com.baeldung.examples.common.PersonDaoImpl; +import com.baeldung.examples.guice.Foo; +import com.baeldung.examples.guice.Person; +import com.google.inject.AbstractModule; +import com.google.inject.Provider; +import com.google.inject.Provides; + +public class GuiceModule extends AbstractModule { + + @Override + protected void configure() { + try { + bind(AccountService.class).to(AccountServiceImpl.class); + bind(Person.class).toConstructor(Person.class.getConstructor()); + // bind(Person.class).toProvider(new Provider() { + // public Person get() { + // Person p = new Person(); + // return p; + // } + // }); + bind(Foo.class).toProvider(new Provider() { + public Foo get() { + return new Foo(); + } + }); + bind(PersonDao.class).to(PersonDaoImpl.class); + + } catch (NoSuchMethodException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (SecurityException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + + } + + @Provides + public BookService bookServiceGenerator() { + return new BookServiceImpl(); + } + +} diff --git a/guice/src/test/java/com/baeldung/examples/GuiceUnitTest.java b/guice/src/test/java/com/baeldung/examples/GuiceUnitTest.java new file mode 100644 index 0000000000..dd2a89e101 --- /dev/null +++ b/guice/src/test/java/com/baeldung/examples/GuiceUnitTest.java @@ -0,0 +1,61 @@ +package com.baeldung.examples; + +import static org.junit.Assert.assertNotNull; + +import org.junit.Test; + +import com.baeldung.examples.common.BookService; +import com.baeldung.examples.guice.FooProcessor; +import com.baeldung.examples.guice.GuicePersonService; +import com.baeldung.examples.guice.GuiceUserService; +import com.baeldung.examples.guice.Person; +import com.baeldung.examples.guice.modules.GuiceModule; +import com.google.inject.Guice; +import com.google.inject.Injector; + +public class GuiceUnitTest { + + @Test + public void givenAccountServiceInjectedInGuiceUserService_WhenGetAccountServiceInvoked_ThenReturnValueIsNotNull() { + Injector injector = Guice.createInjector(new GuiceModule()); + GuiceUserService guiceUserService = injector.getInstance(GuiceUserService.class); + assertNotNull(guiceUserService.getAccountService()); + } + + @Test + public void givenBookServiceIsRegisteredInModule_WhenBookServiceIsInjected_ThenReturnValueIsNotNull() { + Injector injector = Guice.createInjector(new GuiceModule()); + BookService bookService = injector.getInstance(BookService.class); + assertNotNull(bookService); + } + + @Test + public void givenMultipleBindingsForPerson_WhenPersonIsInjected_ThenTestFailsByProvisionException() { + Injector injector = Guice.createInjector(new GuiceModule()); + Person person = injector.getInstance(Person.class); + assertNotNull(person); + } + + @Test + public void givenFooInjectedToFooProcessorAsOptionalDependency_WhenFooProcessorIsRetrievedFromContext_ThenCreationExceptionIsNotThrown() { + Injector injector = Guice.createInjector(new GuiceModule()); + FooProcessor fooProcessor = injector.getInstance(FooProcessor.class); + assertNotNull(fooProcessor); + } + + @Test + public void givenGuicePersonServiceConstructorAnnotatedByInject_WhenGuicePersonServiceIsInjected_ThenInstanceWillBeCreatedFromTheConstructor() { + Injector injector = Guice.createInjector(new GuiceModule()); + GuicePersonService personService = injector.getInstance(GuicePersonService.class); + assertNotNull(personService); + } + + @Test + public void givenPersonDaoInjectedToGuicePersonServiceBySetterInjection_WhenGuicePersonServiceIsInjected_ThenPersonDaoInitializedByTheSetter() { + Injector injector = Guice.createInjector(new GuiceModule()); + GuicePersonService personService = injector.getInstance(GuicePersonService.class); + assertNotNull(personService); + assertNotNull(personService.getPersonDao()); + } + +} diff --git a/httpclient/README.md b/httpclient/README.md index 93e0f3c9e1..7c5122c5b8 100644 --- a/httpclient/README.md +++ b/httpclient/README.md @@ -14,11 +14,11 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring - [Unshorten URLs with HttpClient](http://www.baeldung.com/unshorten-url-httpclient) - [HttpClient with SSL](http://www.baeldung.com/httpclient-ssl) - [HttpClient 4 – Follow Redirects for POST](http://www.baeldung.com/httpclient-redirect-on-http-post) -- [HttpClient – Set Custom Header](http://www.baeldung.com/httpclient-custom-http-header) +- [Custom HTTP Header with the HttpClient](http://www.baeldung.com/httpclient-custom-http-header) - [HttpClient Basic Authentication](http://www.baeldung.com/httpclient-4-basic-authentication) - [Multipart Upload with HttpClient 4](http://www.baeldung.com/httpclient-multipart-upload) - [HttpAsyncClient Tutorial](http://www.baeldung.com/httpasyncclient-tutorial) - [HttpClient 4 Tutorial](http://www.baeldung.com/httpclient-guide) - [Advanced HttpClient Configuration](http://www.baeldung.com/httpclient-advanced-config) - [HttpClient 4 – Do Not Follow Redirects](http://www.baeldung.com/httpclient-stop-follow-redirect) -- [HttpClient 4 – Setting a Custom User-Agent](http://www.baeldung.com/httpclient-user-agent-header) +- [Custom User-Agent in HttpClient 4](http://www.baeldung.com/httpclient-user-agent-header) diff --git a/jackson/README.md b/jackson/README.md index 04e88d0ea1..25194c7255 100644 --- a/jackson/README.md +++ b/jackson/README.md @@ -10,14 +10,14 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring - [Jackson – Unmarshall to Collection/Array](http://www.baeldung.com/jackson-collection-array) - [Jackson Unmarshalling json with Unknown Properties](http://www.baeldung.com/jackson-deserialize-json-unknown-properties) - [Jackson – Custom Serializer](http://www.baeldung.com/jackson-custom-serialization) -- [Jackson – Custom Deserializer](http://www.baeldung.com/jackson-deserialization) +- [Getting Started with Custom Deserialization in Jackson](http://www.baeldung.com/jackson-deserialization) - [Jackson Exceptions – Problems and Solutions](http://www.baeldung.com/jackson-exception) - [Jackson Date](http://www.baeldung.com/jackson-serialize-dates) - [Jackson – Bidirectional Relationships](http://www.baeldung.com/jackson-bidirectional-relationships-and-infinite-recursion) - [Jackson JSON Tutorial](http://www.baeldung.com/jackson) - [Jackson – Working with Maps and nulls](http://www.baeldung.com/jackson-map-null-values-or-null-key) - [Jackson – Decide What Fields Get Serialized/Deserializaed](http://www.baeldung.com/jackson-field-serializable-deserializable-or-not) -- [A Guide to Jackson Annotations](http://www.baeldung.com/jackson-annotations) +- [Jackson Annotation Examples](http://www.baeldung.com/jackson-annotations) - [Working with Tree Model Nodes in Jackson](http://www.baeldung.com/jackson-json-node-tree-model) - [Jackson vs Gson](http://www.baeldung.com/jackson-vs-gson) - [Intro to the Jackson ObjectMapper](http://www.baeldung.com/jackson-object-mapper-tutorial) @@ -25,7 +25,7 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring - [More Jackson Annotations](http://www.baeldung.com/jackson-advanced-annotations) - [Inheritance with Jackson](http://www.baeldung.com/jackson-inheritance) - [Guide to @JsonFormat in Jackson](http://www.baeldung.com/jackson-jsonformat) -- [A Guide to Optional with Jackson](http://www.baeldung.com/jackson-optional) +- [Using Optional with Jackson](http://www.baeldung.com/jackson-optional) - [Map Serialization and Deserialization with Jackson](http://www.baeldung.com/jackson-map) - [Jackson Streaming API](http://www.baeldung.com/jackson-streaming-api) - [Jackson – JsonMappingException (No serializer found for class)](http://www.baeldung.com/jackson-jsonmappingexception) @@ -37,3 +37,4 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring - [Serialize Only Fields that meet a Custom Criteria with Jackson](http://www.baeldung.com/jackson-serialize-field-custom-criteria) - [Mapping Nested Values with Jackson](http://www.baeldung.com/jackson-nested-values) - [Convert XML to JSON Using Jackson](https://www.baeldung.com/jackson-convert-xml-json) +- [Deserialize Immutable Objects with Jackson](https://www.baeldung.com/jackson-deserialize-immutable-objects) diff --git a/jackson/pom.xml b/jackson/pom.xml index e941ababc5..948248d255 100644 --- a/jackson/pom.xml +++ b/jackson/pom.xml @@ -117,8 +117,6 @@ - - 2.9.7 3.8 2.10 diff --git a/jackson/src/main/java/com/baeldung/jackson/deserialization/immutable/Employee.java b/jackson/src/main/java/com/baeldung/jackson/deserialization/immutable/Employee.java new file mode 100644 index 0000000000..44b10ee39b --- /dev/null +++ b/jackson/src/main/java/com/baeldung/jackson/deserialization/immutable/Employee.java @@ -0,0 +1,24 @@ +package com.baeldung.jackson.deserialization.immutable; + +import com.fasterxml.jackson.annotation.JsonCreator; +import com.fasterxml.jackson.annotation.JsonProperty; + +public class Employee { + + private final long id; + private final String name; + + @JsonCreator(mode = JsonCreator.Mode.PROPERTIES) + public Employee(@JsonProperty("id") long id, @JsonProperty("name") String name) { + this.id = id; + this.name = name; + } + + public long getId() { + return id; + } + + public String getName() { + return name; + } +} diff --git a/jackson/src/main/java/com/baeldung/jackson/deserialization/immutable/Person.java b/jackson/src/main/java/com/baeldung/jackson/deserialization/immutable/Person.java new file mode 100644 index 0000000000..d9041720b6 --- /dev/null +++ b/jackson/src/main/java/com/baeldung/jackson/deserialization/immutable/Person.java @@ -0,0 +1,44 @@ +package com.baeldung.jackson.deserialization.immutable; + +import com.fasterxml.jackson.databind.annotation.JsonDeserialize; +import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder; + +@JsonDeserialize(builder = Person.Builder.class) +public class Person { + + private final String name; + private final Integer age; + + private Person(String name, Integer age) { + this.name = name; + this.age = age; + } + + public String getName() { + return name; + } + + public Integer getAge() { + return age; + } + + @JsonPOJOBuilder + static class Builder { + String name; + Integer age; + + Builder withName(String name) { + this.name = name; + return this; + } + + Builder withAge(Integer age) { + this.age = age; + return this; + } + + Person build() { + return new Person(name, age); + } + } +} diff --git a/jackson/src/main/java/com/baeldung/jackson/deserialization/jacksoninject/Author.java b/jackson/src/main/java/com/baeldung/jackson/deserialization/jacksoninject/Author.java deleted file mode 100644 index db8b594509..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/deserialization/jacksoninject/Author.java +++ /dev/null @@ -1,26 +0,0 @@ -package com.baeldung.jackson.deserialization.jacksoninject; - -import com.baeldung.jackson.domain.Item; - -import java.util.ArrayList; -import java.util.List; - -public class Author extends Person { - - List items = new ArrayList<>(); - - public Author() { - } - - public Author(String firstName, String lastName) { - super(firstName, lastName); - } - - public List getItems() { - return items; - } - - public void setItems(List items) { - this.items = items; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/deserialization/jsonanysetter/Inventory.java b/jackson/src/main/java/com/baeldung/jackson/deserialization/jsonanysetter/Inventory.java index c4daf68bd6..d9748e2997 100644 --- a/jackson/src/main/java/com/baeldung/jackson/deserialization/jsonanysetter/Inventory.java +++ b/jackson/src/main/java/com/baeldung/jackson/deserialization/jsonanysetter/Inventory.java @@ -1,24 +1,14 @@ package com.baeldung.jackson.deserialization.jsonanysetter; -import com.baeldung.jackson.domain.Author; -import com.baeldung.jackson.domain.Item; -import com.fasterxml.jackson.annotation.JsonAnySetter; -import com.fasterxml.jackson.annotation.JsonIgnore; - import java.util.HashMap; import java.util.Map; +import com.fasterxml.jackson.annotation.JsonAnySetter; + public class Inventory { - private Map stock = new HashMap<>(); - private Map countryDeliveryCost = new HashMap<>(); - @JsonIgnore - public Map getStock() { - return stock; - } - public Map getCountryDeliveryCost() { return countryDeliveryCost; } diff --git a/jackson/src/main/java/com/baeldung/jackson/deserialization/jsoncreator/Author.java b/jackson/src/main/java/com/baeldung/jackson/deserialization/jsoncreator/Author.java deleted file mode 100644 index d48c95b255..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/deserialization/jsoncreator/Author.java +++ /dev/null @@ -1,27 +0,0 @@ -package com.baeldung.jackson.deserialization.jsoncreator; - -import com.baeldung.jackson.domain.Person; -import com.baeldung.jackson.domain.Item; -import com.fasterxml.jackson.annotation.JsonCreator; -import com.fasterxml.jackson.annotation.JsonProperty; - -import java.util.ArrayList; -import java.util.List; - -public class Author extends Person { - - List items = new ArrayList<>(); - - @JsonCreator - public Author(@JsonProperty("christianName") String firstName, @JsonProperty("surname") String lastName) { - super(firstName, lastName); - } - - public List getItems() { - return items; - } - - public void setItems(List items) { - this.items = items; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/deserialization/jsondeserialize/Author.java b/jackson/src/main/java/com/baeldung/jackson/deserialization/jsondeserialize/Author.java deleted file mode 100644 index 62e108facb..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/deserialization/jsondeserialize/Author.java +++ /dev/null @@ -1,24 +0,0 @@ -package com.baeldung.jackson.deserialization.jsondeserialize; - -import com.baeldung.jackson.domain.Item; -import com.baeldung.jackson.domain.Person; - -import java.util.ArrayList; -import java.util.List; - -public class Author extends Person { - - List items = new ArrayList<>(); - - public Author(String firstName, String lastName) { - super(firstName, lastName); - } - - public List getItems() { - return items; - } - - public void setItems(List items) { - this.items = items; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/deserialization/jsondeserialize/Book.java b/jackson/src/main/java/com/baeldung/jackson/deserialization/jsondeserialize/Book.java index dc0d0ee623..1e411da64e 100644 --- a/jackson/src/main/java/com/baeldung/jackson/deserialization/jsondeserialize/Book.java +++ b/jackson/src/main/java/com/baeldung/jackson/deserialization/jsondeserialize/Book.java @@ -1,12 +1,16 @@ package com.baeldung.jackson.deserialization.jsondeserialize; -import com.fasterxml.jackson.databind.annotation.JsonDeserialize; - import java.math.BigDecimal; import java.util.Date; +import java.util.UUID; -public class Book extends Item { +import com.fasterxml.jackson.databind.annotation.JsonDeserialize; +public class Book { + + private UUID id; + private String title; + private float price; private String ISBN; @JsonDeserialize(using = CustomDateDeserializer.class) @@ -16,8 +20,9 @@ public class Book extends Item { public Book() { } - public Book(String title, Author author) { - super(title, author); + public Book(String title) { + this.id = UUID.randomUUID(); + this.title = title; } public String getISBN() { @@ -43,4 +48,28 @@ public class Book extends Item { public void setPages(BigDecimal pages) { this.pages = pages; } + + public UUID getId() { + return id; + } + + public void setId(UUID id) { + this.id = id; + } + + public String getTitle() { + return title; + } + + public void setTitle(String title) { + this.title = title; + } + + public float getPrice() { + return price; + } + + public void setPrice(float price) { + this.price = price; + } } diff --git a/jackson/src/main/java/com/baeldung/jackson/deserialization/jsondeserialize/Item.java b/jackson/src/main/java/com/baeldung/jackson/deserialization/jsondeserialize/Item.java deleted file mode 100644 index fc27a586ac..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/deserialization/jsondeserialize/Item.java +++ /dev/null @@ -1,62 +0,0 @@ -package com.baeldung.jackson.deserialization.jsondeserialize; - -import com.baeldung.jackson.domain.Person; - -import java.util.ArrayList; -import java.util.List; -import java.util.UUID; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Item { - - private UUID id; - private String title; - private List authors = new ArrayList<>(); - private float price; - - public Item() { - } - - public Item(String title, Author author) { - this.id = UUID.randomUUID(); - this.title = title; - this.authors.add(author); - } - - public UUID getId() { - return id; - } - - public void setId(UUID id) { - this.id = id; - } - - public String getTitle() { - return title; - } - - public void setTitle(String title) { - this.title = title; - } - - public List getAuthors() { - return authors; - } - - public void setAuthors(List authors) { - this.authors = authors; - } - - public float getPrice() { - return price; - } - - public void setPrice(float price) { - this.price = price; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/deserialization/jsonsetter/Author.java b/jackson/src/main/java/com/baeldung/jackson/deserialization/jsonsetter/Author.java deleted file mode 100644 index 3f9ae70a88..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/deserialization/jsonsetter/Author.java +++ /dev/null @@ -1,37 +0,0 @@ -package com.baeldung.jackson.deserialization.jsonsetter; - -import com.baeldung.jackson.domain.Item; -import com.baeldung.jackson.domain.Person; -import com.fasterxml.jackson.annotation.JsonIgnore; -import com.fasterxml.jackson.annotation.JsonSetter; - -import java.util.ArrayList; -import java.util.List; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Author extends Person { - - private List items = new ArrayList<>(); - - public Author() { - } - - public Author(String firstName, String lastName) { - super(firstName, lastName); - } - - @JsonIgnore - public List getItems() { - return items; - } - - @JsonSetter("publications") - public void setItems(List items) { - this.items = items; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/domain/Author.java b/jackson/src/main/java/com/baeldung/jackson/domain/Author.java deleted file mode 100644 index 9000c00f21..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/domain/Author.java +++ /dev/null @@ -1,27 +0,0 @@ -package com.baeldung.jackson.domain; - -import java.util.ArrayList; -import java.util.List; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Author extends Person { - - private List items = new ArrayList<>(); - - public Author(String firstName, String lastName) { - super(firstName, lastName); - } - - public List getItems() { - return items; - } - - public void setItems(List items) { - this.items = items; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/domain/Book.java b/jackson/src/main/java/com/baeldung/jackson/domain/Book.java deleted file mode 100644 index a5963e33ba..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/domain/Book.java +++ /dev/null @@ -1,48 +0,0 @@ -package com.baeldung.jackson.domain; - -import java.math.BigDecimal; -import java.util.Date; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Book extends Item { - - private String ISBN; - private Date published; - private BigDecimal pages; - - public Book() { - } - - public Book(String title, Author author) { - super(title, author); - } - - public String getISBN() { - return ISBN; - } - - public void setISBN(String ISBN) { - this.ISBN = ISBN; - } - - public Date getPublished() { - return published; - } - - public void setPublished(Date published) { - this.published = published; - } - - public BigDecimal getPages() { - return pages; - } - - public void setPages(BigDecimal pages) { - this.pages = pages; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/domain/Course.java b/jackson/src/main/java/com/baeldung/jackson/domain/Course.java deleted file mode 100644 index 672b0bc250..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/domain/Course.java +++ /dev/null @@ -1,73 +0,0 @@ -package com.baeldung.jackson.domain; - -import java.util.List; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Course extends Item { - - public enum Medium { - CLASSROOM, ONLINE - } - - public enum Level { - BEGINNER("Beginner", 1), INTERMEDIATE("Intermediate", 2), ADVANCED("Advanced", 3); - - private String name; - private int number; - - Level(String name, int number) { - this.name = name; - this.number = number; - } - - public String getName() { - return name; - } - } - - private float duration; - private Medium medium; - private Level level; - private List prerequisite; - - public Course(String title, Author author) { - super(title, author); - } - - public float getDuration() { - return duration; - } - - public void setDuration(float duration) { - this.duration = duration; - } - - public Medium getMedium() { - return medium; - } - - public void setMedium(Medium medium) { - this.medium = medium; - } - - public Level getLevel() { - return level; - } - - public void setLevel(Level level) { - this.level = level; - } - - public List getPrerequisite() { - return prerequisite; - } - - public void setPrerequisite(List prerequisite) { - this.prerequisite = prerequisite; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/domain/Customer.java b/jackson/src/main/java/com/baeldung/jackson/domain/Customer.java deleted file mode 100644 index 1e03ff9a13..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/domain/Customer.java +++ /dev/null @@ -1,24 +0,0 @@ -package com.baeldung.jackson.domain; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Customer extends Person { - - private String configuration; - - public Customer(String firstName, String lastName) { - super(firstName, lastName); - } - - public String getConfiguration() { - return configuration; - } - - public void setConfiguration(String configuration) { - this.configuration = configuration; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/domain/Inventory.java b/jackson/src/main/java/com/baeldung/jackson/domain/Inventory.java deleted file mode 100644 index 41b7dc51da..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/domain/Inventory.java +++ /dev/null @@ -1,29 +0,0 @@ -package com.baeldung.jackson.domain; - -import java.util.HashMap; -import java.util.Map; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Inventory { - - private Map stock; - - private Map countryDeliveryCost = new HashMap<>(); - - public Map getStock() { - return stock; - } - - public void setStock(Map stock) { - this.stock = stock; - } - - public Map getCountryDeliveryCost() { - return countryDeliveryCost; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/domain/Item.java b/jackson/src/main/java/com/baeldung/jackson/domain/Item.java deleted file mode 100644 index d9d1350a8e..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/domain/Item.java +++ /dev/null @@ -1,60 +0,0 @@ -package com.baeldung.jackson.domain; - -import java.util.ArrayList; -import java.util.List; -import java.util.UUID; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Item { - - private UUID id; - private String title; - private List authors = new ArrayList<>(); - private float price; - - public Item() { - } - - public Item(String title, Author author) { - this.id = UUID.randomUUID(); - this.title = title; - this.authors.add(author); - } - - public UUID getId() { - return id; - } - - public void setId(UUID id) { - this.id = id; - } - - public String getTitle() { - return title; - } - - public void setTitle(String title) { - this.title = title; - } - - public List getAuthors() { - return authors; - } - - public void setAuthors(List authors) { - this.authors = authors; - } - - public float getPrice() { - return price; - } - - public void setPrice(float price) { - this.price = price; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/domain/Order.java b/jackson/src/main/java/com/baeldung/jackson/domain/Order.java deleted file mode 100644 index 91f87f74df..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/domain/Order.java +++ /dev/null @@ -1,50 +0,0 @@ -package com.baeldung.jackson.domain; - -import java.util.UUID; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Order { - - private UUID id; - private Type type; - private int internalAudit; - - public static class Type { - public long id; - public String name; - } - - public Order() { - this.id = UUID.randomUUID(); - } - - public Order(Type type) { - this(); - this.type = type; - } - - public Order(int internalAudit) { - this(); - this.type = new Type(); - this.type.id = 20; - this.type.name = "Order"; - this.internalAudit = internalAudit; - } - - public UUID getId() { - return id; - } - - public Type getType() { - return type; - } - - public void setType(Type type) { - this.type = type; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/domain/Person.java b/jackson/src/main/java/com/baeldung/jackson/domain/Person.java index 785efff755..f11ba41113 100644 --- a/jackson/src/main/java/com/baeldung/jackson/domain/Person.java +++ b/jackson/src/main/java/com/baeldung/jackson/domain/Person.java @@ -1,24 +1,12 @@ package com.baeldung.jackson.domain; -import java.util.UUID; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ public class Person { - private UUID id; private String firstName; private String lastName; - - public Person() { - } - + public Person(String firstName, String lastName) { - this.id = UUID.randomUUID(); + super(); this.firstName = firstName; this.lastName = lastName; } @@ -38,8 +26,5 @@ public class Person { public void setLastName(String lastName) { this.lastName = lastName; } - - public UUID getId() { - return id; - } } + diff --git a/jackson/src/main/java/com/baeldung/jackson/inclusion/jsonautodetect/Order.java b/jackson/src/main/java/com/baeldung/jackson/inclusion/jsonautodetect/Order.java deleted file mode 100644 index f2ff5eeb08..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/inclusion/jsonautodetect/Order.java +++ /dev/null @@ -1,54 +0,0 @@ -package com.baeldung.jackson.inclusion.jsonautodetect; - -import com.fasterxml.jackson.annotation.JsonAutoDetect; -import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility; - -import java.util.UUID; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -@JsonAutoDetect(fieldVisibility = Visibility.ANY) -public class Order { - - private UUID id; - private Type type; - private int internalAudit; - - public static class Type { - public long id; - public String name; - } - - public Order() { - this.id = UUID.randomUUID(); - } - - public Order(Type type) { - this(); - this.type = type; - } - - public Order(int internalAudit) { - this(); - this.type = new Type(); - this.type.id = 20; - this.type.name = "Order"; - this.internalAudit = internalAudit; - } - - public UUID getId() { - return id; - } - - public Type getType() { - return type; - } - - public void setType(Type type) { - this.type = type; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/inclusion/jsonignore/Author.java b/jackson/src/main/java/com/baeldung/jackson/inclusion/jsonignore/Author.java deleted file mode 100644 index a7801493bf..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/inclusion/jsonignore/Author.java +++ /dev/null @@ -1,29 +0,0 @@ -package com.baeldung.jackson.inclusion.jsonignore; - -import com.baeldung.jackson.domain.Item; - -import java.util.ArrayList; -import java.util.List; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Author extends Person { - - private List items = new ArrayList<>(); - - public Author(String firstName, String lastName) { - super(firstName, lastName); - } - - public List getItems() { - return items; - } - - public void setItems(List items) { - this.items = items; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/inclusion/jsonignore/Person.java b/jackson/src/main/java/com/baeldung/jackson/inclusion/jsonignore/Person.java deleted file mode 100644 index 0037d83148..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/inclusion/jsonignore/Person.java +++ /dev/null @@ -1,48 +0,0 @@ -package com.baeldung.jackson.inclusion.jsonignore; - -import com.fasterxml.jackson.annotation.JsonIgnore; - -import java.util.UUID; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Person { - - @JsonIgnore - private UUID id; - private String firstName; - private String lastName; - - public Person() { - } - - public Person(String firstName, String lastName) { - this.id = UUID.randomUUID(); - this.firstName = firstName; - this.lastName = lastName; - } - - public String getFirstName() { - return firstName; - } - - public void setFirstName(String firstName) { - this.firstName = firstName; - } - - public String getLastName() { - return lastName; - } - - public void setLastName(String lastName) { - this.lastName = lastName; - } - - public UUID getId() { - return id; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/inclusion/jsonignoreproperties/Course.java b/jackson/src/main/java/com/baeldung/jackson/inclusion/jsonignoreproperties/Course.java deleted file mode 100644 index 70b4dd9842..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/inclusion/jsonignoreproperties/Course.java +++ /dev/null @@ -1,78 +0,0 @@ -package com.baeldung.jackson.inclusion.jsonignoreproperties; - -import com.baeldung.jackson.domain.Author; -import com.baeldung.jackson.domain.Item; -import com.fasterxml.jackson.annotation.JsonIgnoreProperties; - -import java.util.List; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -@JsonIgnoreProperties({ "medium" }) -public class Course extends Item { - - public enum Medium { - CLASSROOM, ONLINE - } - - public enum Level { - BEGINNER("Beginner", 1), INTERMEDIATE("Intermediate", 2), ADVANCED("Advanced", 3); - - private String name; - private int number; - - Level(String name, int number) { - this.name = name; - this.number = number; - } - - public String getName() { - return name; - } - } - - private float duration; - private Medium medium; - private Level level; - private List prerequisite; - - public Course(String title, Author author) { - super(title, author); - } - - public float getDuration() { - return duration; - } - - public void setDuration(float duration) { - this.duration = duration; - } - - public Medium getMedium() { - return medium; - } - - public void setMedium(Medium medium) { - this.medium = medium; - } - - public Level getLevel() { - return level; - } - - public void setLevel(Level level) { - this.level = level; - } - - public List getPrerequisite() { - return prerequisite; - } - - public void setPrerequisite(List prerequisite) { - this.prerequisite = prerequisite; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/inclusion/jsonignoretype/Order.java b/jackson/src/main/java/com/baeldung/jackson/inclusion/jsonignoretype/Order.java deleted file mode 100644 index 0d8867933f..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/inclusion/jsonignoretype/Order.java +++ /dev/null @@ -1,44 +0,0 @@ -package com.baeldung.jackson.inclusion.jsonignoretype; - -import com.fasterxml.jackson.annotation.JsonIgnoreType; - -import java.util.UUID; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Order { - - private UUID id; - private Type type; - - @JsonIgnoreType - public static class Type { - public long id; - public String name; - } - - public Order() { - this.id = UUID.randomUUID(); - } - - public Order(Type type) { - this(); - this.type = type; - } - - public UUID getId() { - return id; - } - - public Type getType() { - return type; - } - - public void setType(Type type) { - this.type = type; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/inclusion/jsoninclude/Author.java b/jackson/src/main/java/com/baeldung/jackson/inclusion/jsoninclude/Author.java deleted file mode 100644 index 30cb2735c2..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/inclusion/jsoninclude/Author.java +++ /dev/null @@ -1,34 +0,0 @@ -package com.baeldung.jackson.inclusion.jsoninclude; - -import com.baeldung.jackson.domain.Person; -import com.baeldung.jackson.domain.Item; -import com.fasterxml.jackson.annotation.JsonInclude; - -import java.util.ArrayList; -import java.util.List; - -import static com.fasterxml.jackson.annotation.JsonInclude.Include.NON_NULL; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -@JsonInclude(NON_NULL) -public class Author extends Person { - - private List items = new ArrayList<>(); - - public Author(String firstName, String lastName) { - super(firstName, lastName); - } - - public List getItems() { - return items; - } - - public void setItems(List items) { - this.items = items; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/miscellaneous/custom/Course.java b/jackson/src/main/java/com/baeldung/jackson/miscellaneous/custom/Course.java deleted file mode 100644 index a44492b9f7..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/miscellaneous/custom/Course.java +++ /dev/null @@ -1,76 +0,0 @@ -package com.baeldung.jackson.miscellaneous.custom; - -import com.baeldung.jackson.domain.Author; - -import java.util.List; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -@CustomCourseAnnotation -public class Course extends Item { - - public enum Medium { - CLASSROOM, ONLINE - } - - public enum Level { - BEGINNER("Beginner", 1), INTERMEDIATE("Intermediate", 2), ADVANCED("Advanced", 3); - - private String name; - private int number; - - Level(String name, int number) { - this.name = name; - this.number = number; - } - - public String getName() { - return name; - } - } - - private float duration; - private Medium medium; - private Level level; - private List prerequisite; - - public Course(String title, Author author) { - super(title, author); - } - - public float getDuration() { - return duration; - } - - public void setDuration(float duration) { - this.duration = duration; - } - - public Medium getMedium() { - return medium; - } - - public void setMedium(Medium medium) { - this.medium = medium; - } - - public Level getLevel() { - return level; - } - - public void setLevel(Level level) { - this.level = level; - } - - public List getPrerequisite() { - return prerequisite; - } - - public void setPrerequisite(List prerequisite) { - this.prerequisite = prerequisite; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/miscellaneous/custom/CustomCourseAnnotation.java b/jackson/src/main/java/com/baeldung/jackson/miscellaneous/custom/CustomCourseAnnotation.java deleted file mode 100644 index d7f72ca6ec..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/miscellaneous/custom/CustomCourseAnnotation.java +++ /dev/null @@ -1,20 +0,0 @@ -package com.baeldung.jackson.miscellaneous.custom; - -import com.fasterxml.jackson.annotation.*; - -import java.lang.annotation.Retention; -import java.lang.annotation.RetentionPolicy; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -@Retention(RetentionPolicy.RUNTIME) -@JacksonAnnotationsInside -@JsonInclude(JsonInclude.Include.NON_NULL) -@JsonPropertyOrder({ "title", "price", "id", "duration", "authors", "level" }) -@JsonIgnoreProperties({ "prerequisite" }) -public @interface CustomCourseAnnotation { -} diff --git a/jackson/src/main/java/com/baeldung/jackson/miscellaneous/custom/Item.java b/jackson/src/main/java/com/baeldung/jackson/miscellaneous/custom/Item.java deleted file mode 100644 index 6625283dec..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/miscellaneous/custom/Item.java +++ /dev/null @@ -1,63 +0,0 @@ -package com.baeldung.jackson.miscellaneous.custom; - -import com.baeldung.jackson.domain.Author; -import com.baeldung.jackson.domain.Person; - -import java.util.ArrayList; -import java.util.List; -import java.util.UUID; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Item { - - private UUID id; - private String title; - private List authors = new ArrayList<>(); - private float price; - - public Item() { - } - - public Item(String title, Author author) { - this.id = UUID.randomUUID(); - this.title = title; - this.authors.add(author); - } - - public UUID getId() { - return id; - } - - public void setId(UUID id) { - this.id = id; - } - - public String getTitle() { - return title; - } - - public void setTitle(String title) { - this.title = title; - } - - public List getAuthors() { - return authors; - } - - public void setAuthors(List authors) { - this.authors = authors; - } - - public float getPrice() { - return price; - } - - public void setPrice(float price) { - this.price = price; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/miscellaneous/disable/Author.java b/jackson/src/main/java/com/baeldung/jackson/miscellaneous/disable/Author.java deleted file mode 100644 index 0638e32925..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/miscellaneous/disable/Author.java +++ /dev/null @@ -1,36 +0,0 @@ -package com.baeldung.jackson.miscellaneous.disable; - -import com.baeldung.jackson.domain.Item; -import com.baeldung.jackson.domain.Person; -import com.fasterxml.jackson.annotation.JsonIgnore; -import com.fasterxml.jackson.annotation.JsonInclude; -import com.fasterxml.jackson.annotation.JsonPropertyOrder; - -import java.util.ArrayList; -import java.util.List; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -@JsonInclude(JsonInclude.Include.NON_NULL) -@JsonPropertyOrder({ "lastName", "items", "firstName", "id" }) -public class Author extends Person { - - @JsonIgnore - private List items = new ArrayList<>(); - - public Author(String firstName, String lastName) { - super(firstName, lastName); - } - - public List getItems() { - return items; - } - - public void setItems(List items) { - this.items = items; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/miscellaneous/mixin/Author.java b/jackson/src/main/java/com/baeldung/jackson/miscellaneous/mixin/Author.java deleted file mode 100644 index 26e3e4b647..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/miscellaneous/mixin/Author.java +++ /dev/null @@ -1,30 +0,0 @@ -package com.baeldung.jackson.miscellaneous.mixin; - -import com.baeldung.jackson.domain.Item; -import com.baeldung.jackson.domain.Person; - -import java.util.ArrayList; -import java.util.List; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Author extends Person { - - private List items = new ArrayList<>(); - - public Author(String firstName, String lastName) { - super(firstName, lastName); - } - - public List getItems() { - return items; - } - - public void setItems(List items) { - this.items = items; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/miscellaneous/mixin/IgnoreListMixIn.java b/jackson/src/main/java/com/baeldung/jackson/miscellaneous/mixin/IgnoreListMixIn.java deleted file mode 100644 index 418c09c251..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/miscellaneous/mixin/IgnoreListMixIn.java +++ /dev/null @@ -1,13 +0,0 @@ -package com.baeldung.jackson.miscellaneous.mixin; - -import com.fasterxml.jackson.annotation.JsonIgnoreType; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -@JsonIgnoreType -public class IgnoreListMixIn { -} diff --git a/jackson/src/main/java/com/baeldung/jackson/polymorphism/Order.java b/jackson/src/main/java/com/baeldung/jackson/polymorphism/Order.java deleted file mode 100644 index 1813148b2b..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/polymorphism/Order.java +++ /dev/null @@ -1,62 +0,0 @@ -package com.baeldung.jackson.polymorphism; - -import com.fasterxml.jackson.annotation.JsonSubTypes; -import com.fasterxml.jackson.annotation.JsonTypeInfo; -import com.fasterxml.jackson.annotation.JsonTypeName; - -import java.util.UUID; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Order { - - private UUID id; - private Type type; - private int internalAudit; - - @JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = JsonTypeInfo.As.PROPERTY, property = "ordertype") - @JsonSubTypes({ @JsonSubTypes.Type(value = InternalType.class, name = "internal") }) - public static class Type { - public long id; - public String name; - } - - @JsonTypeName("internal") - public static class InternalType extends Type { - public long id; - public String name; - } - - public Order() { - this.id = UUID.randomUUID(); - } - - public Order(Type type) { - this(); - this.type = type; - } - - public Order(int internalAudit) { - this(); - this.type = new Type(); - this.type.id = 20; - this.type.name = "Order"; - this.internalAudit = internalAudit; - } - - public UUID getId() { - return id; - } - - public Type getType() { - return type; - } - - public void setType(Type type) { - this.type = type; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonanygetter/Inventory.java b/jackson/src/main/java/com/baeldung/jackson/serialization/jsonanygetter/Inventory.java deleted file mode 100644 index 52f586d93b..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonanygetter/Inventory.java +++ /dev/null @@ -1,43 +0,0 @@ -package com.baeldung.jackson.serialization.jsonanygetter; - -import com.baeldung.jackson.domain.Author; -import com.baeldung.jackson.domain.Item; -import com.fasterxml.jackson.annotation.JsonAnyGetter; -import com.fasterxml.jackson.annotation.JsonIgnore; - -import java.util.HashMap; -import java.util.Map; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Inventory { - - private String location; - - private Map stock = new HashMap<>(); - - private Map countryDeliveryCost = new HashMap<>(); - - public String getLocation() { - return location; - } - - public void setLocation(String location) { - this.location = location; - } - - @JsonIgnore - public Map getStock() { - return stock; - } - - @JsonAnyGetter - public Map getCountryDeliveryCost() { - return countryDeliveryCost; - } - -} diff --git a/jackson/src/main/java/com/baeldung/jackson/serialization/jsongetter/Author.java b/jackson/src/main/java/com/baeldung/jackson/serialization/jsongetter/Author.java deleted file mode 100644 index 8d89fefce7..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/serialization/jsongetter/Author.java +++ /dev/null @@ -1,32 +0,0 @@ -package com.baeldung.jackson.serialization.jsongetter; - -import com.baeldung.jackson.domain.Item; -import com.baeldung.jackson.domain.Person; -import com.fasterxml.jackson.annotation.JsonGetter; - -import java.util.ArrayList; -import java.util.List; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Author extends Person { - - List items = new ArrayList<>(); - - public Author(String firstName, String lastName) { - super(firstName, lastName); - } - - @JsonGetter("publications") - public List getItems() { - return items; - } - - public void setItems(List items) { - this.items = items; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonpropertyorder/Author.java b/jackson/src/main/java/com/baeldung/jackson/serialization/jsonpropertyorder/Author.java deleted file mode 100644 index dadf893cf9..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonpropertyorder/Author.java +++ /dev/null @@ -1,31 +0,0 @@ -package com.baeldung.jackson.serialization.jsonpropertyorder; - -import com.baeldung.jackson.domain.Item; -import com.fasterxml.jackson.annotation.JsonPropertyOrder; - -import java.util.ArrayList; -import java.util.List; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -@JsonPropertyOrder({ "items", "firstName", "lastName", "id" }) -public class Author extends Person { - - List items = new ArrayList<>(); - - public Author(String firstName, String lastName) { - super(firstName, lastName); - } - - public List getItems() { - return items; - } - - public void setItems(List items) { - this.items = items; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonpropertyorder/Person.java b/jackson/src/main/java/com/baeldung/jackson/serialization/jsonpropertyorder/Person.java deleted file mode 100644 index 519e48aada..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonpropertyorder/Person.java +++ /dev/null @@ -1,42 +0,0 @@ -package com.baeldung.jackson.serialization.jsonpropertyorder; - -import java.util.UUID; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Person { - - private UUID id; - private String firstName; - private String lastName; - - public Person(String firstName, String lastName) { - this.id = UUID.randomUUID(); - this.firstName = firstName; - this.lastName = lastName; - } - - public String getFirstName() { - return firstName; - } - - public void setFirstName(String firstName) { - this.firstName = firstName; - } - - public String getLastName() { - return lastName; - } - - public void setLastName(String lastName) { - this.lastName = lastName; - } - - public UUID getId() { - return id; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonrawvalue/Customer.java b/jackson/src/main/java/com/baeldung/jackson/serialization/jsonrawvalue/Customer.java deleted file mode 100644 index f19c5314d2..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonrawvalue/Customer.java +++ /dev/null @@ -1,28 +0,0 @@ -package com.baeldung.jackson.serialization.jsonrawvalue; - -import com.baeldung.jackson.domain.Person; -import com.fasterxml.jackson.annotation.JsonRawValue; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Customer extends Person { - - @JsonRawValue - private String configuration; - - public Customer(String firstName, String lastName) { - super(firstName, lastName); - } - - public String getConfiguration() { - return configuration; - } - - public void setConfiguration(String configuration) { - this.configuration = configuration; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonrootname/Author.java b/jackson/src/main/java/com/baeldung/jackson/serialization/jsonrootname/Author.java deleted file mode 100644 index c6ebfd10fb..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonrootname/Author.java +++ /dev/null @@ -1,32 +0,0 @@ -package com.baeldung.jackson.serialization.jsonrootname; - -import com.baeldung.jackson.domain.Item; -import com.baeldung.jackson.domain.Person; -import com.fasterxml.jackson.annotation.JsonRootName; - -import java.util.ArrayList; -import java.util.List; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -@JsonRootName("writer") -public class Author extends Person { - - List items = new ArrayList<>(); - - public Author(String firstName, String lastName) { - super(firstName, lastName); - } - - public List getItems() { - return items; - } - - public void setItems(List items) { - this.items = items; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonserialize/Author.java b/jackson/src/main/java/com/baeldung/jackson/serialization/jsonserialize/Author.java deleted file mode 100644 index 5a6e90d712..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonserialize/Author.java +++ /dev/null @@ -1,29 +0,0 @@ -package com.baeldung.jackson.serialization.jsonserialize; - -import com.baeldung.jackson.domain.Person; - -import java.util.ArrayList; -import java.util.List; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Author extends Person { - - List items = new ArrayList<>(); - - public Author(String firstName, String lastName) { - super(firstName, lastName); - } - - public List getItems() { - return items; - } - - public void setItems(List items) { - this.items = items; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonserialize/Book.java b/jackson/src/main/java/com/baeldung/jackson/serialization/jsonserialize/Book.java deleted file mode 100644 index 0ecc4e72ce..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonserialize/Book.java +++ /dev/null @@ -1,52 +0,0 @@ -package com.baeldung.jackson.serialization.jsonserialize; - -import com.fasterxml.jackson.databind.annotation.JsonSerialize; - -import java.math.BigDecimal; -import java.util.Date; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Book extends Item { - - private String ISBN; - - @JsonSerialize(using = CustomDateSerializer.class) - private Date published; - private BigDecimal pages; - - public Book() { - } - - public Book(String title, Author author) { - super(title, author); - } - - public String getISBN() { - return ISBN; - } - - public void setISBN(String ISBN) { - this.ISBN = ISBN; - } - - public Date getPublished() { - return published; - } - - public void setPublished(Date published) { - this.published = published; - } - - public BigDecimal getPages() { - return pages; - } - - public void setPages(BigDecimal pages) { - this.pages = pages; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonserialize/CustomDateSerializer.java b/jackson/src/main/java/com/baeldung/jackson/serialization/jsonserialize/CustomDateSerializer.java deleted file mode 100644 index 131f4f3695..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonserialize/CustomDateSerializer.java +++ /dev/null @@ -1,34 +0,0 @@ -package com.baeldung.jackson.serialization.jsonserialize; - -import com.fasterxml.jackson.core.JsonGenerator; -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.SerializerProvider; -import com.fasterxml.jackson.databind.ser.std.StdSerializer; - -import java.io.IOException; -import java.text.SimpleDateFormat; -import java.util.Date; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class CustomDateSerializer extends StdSerializer { - - private static SimpleDateFormat formatter = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss"); - - public CustomDateSerializer() { - this(null); - } - - public CustomDateSerializer(Class t) { - super(t); - } - - @Override - public void serialize(Date value, JsonGenerator gen, SerializerProvider arg2) throws IOException, JsonProcessingException { - gen.writeString(formatter.format(value)); - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonserialize/Item.java b/jackson/src/main/java/com/baeldung/jackson/serialization/jsonserialize/Item.java deleted file mode 100644 index 56cfa85793..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonserialize/Item.java +++ /dev/null @@ -1,62 +0,0 @@ -package com.baeldung.jackson.serialization.jsonserialize; - -import com.baeldung.jackson.domain.Person; - -import java.util.ArrayList; -import java.util.List; -import java.util.UUID; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Item { - - private UUID id; - private String title; - private List authors = new ArrayList<>(); - private float price; - - public Item() { - } - - public Item(String title, Author author) { - this.id = UUID.randomUUID(); - this.title = title; - this.authors.add(author); - } - - public UUID getId() { - return id; - } - - public void setId(UUID id) { - this.id = id; - } - - public String getTitle() { - return title; - } - - public void setTitle(String title) { - this.title = title; - } - - public List getAuthors() { - return authors; - } - - public void setAuthors(List authors) { - this.authors = authors; - } - - public float getPrice() { - return price; - } - - public void setPrice(float price) { - this.price = price; - } -} diff --git a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonvalue/Course.java b/jackson/src/main/java/com/baeldung/jackson/serialization/jsonvalue/Course.java deleted file mode 100644 index a3fdc2d8eb..0000000000 --- a/jackson/src/main/java/com/baeldung/jackson/serialization/jsonvalue/Course.java +++ /dev/null @@ -1,78 +0,0 @@ -package com.baeldung.jackson.serialization.jsonvalue; - -import com.baeldung.jackson.domain.Author; -import com.baeldung.jackson.domain.Item; -import com.fasterxml.jackson.annotation.JsonValue; - -import java.util.List; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Course extends Item { - - public enum Medium { - CLASSROOM, ONLINE - } - - public enum Level { - BEGINNER("Beginner", 1), INTERMEDIATE("Intermediate", 2), ADVANCED("Advanced", 3); - - private String name; - private int number; - - Level(String name, int number) { - this.name = name; - this.number = number; - } - - @JsonValue - public String getName() { - return name; - } - } - - private float duration; - private Medium medium; - private Level level; - private List prerequisite; - - public Course(String title, Author author) { - super(title, author); - } - - public float getDuration() { - return duration; - } - - public void setDuration(float duration) { - this.duration = duration; - } - - public Medium getMedium() { - return medium; - } - - public void setMedium(Medium medium) { - this.medium = medium; - } - - public Level getLevel() { - return level; - } - - public void setLevel(Level level) { - this.level = level; - } - - public List getPrerequisite() { - return prerequisite; - } - - public void setPrerequisite(List prerequisite) { - this.prerequisite = prerequisite; - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/annotation/AliasBean.java b/jackson/src/test/java/com/baeldung/jackson/annotation/AliasBean.java new file mode 100644 index 0000000000..1842b2b6f5 --- /dev/null +++ b/jackson/src/test/java/com/baeldung/jackson/annotation/AliasBean.java @@ -0,0 +1,31 @@ +package com.baeldung.jackson.annotation; + +import com.fasterxml.jackson.annotation.JsonAlias; + +public class AliasBean { + + @JsonAlias({ "fName", "f_name" }) + private String firstName; + + private String lastName; + + public AliasBean() { + + } + + public String getFirstName() { + return firstName; + } + + public void setFirstName(String firstName) { + this.firstName = firstName; + } + + public String getLastName() { + return lastName; + } + + public void setLastName(String lastName) { + this.lastName = lastName; + } +} diff --git a/jackson/src/test/java/com/baeldung/jackson/deserialization/immutable/ImmutableObjectDeserializationUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/deserialization/immutable/ImmutableObjectDeserializationUnitTest.java new file mode 100644 index 0000000000..1252179e3a --- /dev/null +++ b/jackson/src/test/java/com/baeldung/jackson/deserialization/immutable/ImmutableObjectDeserializationUnitTest.java @@ -0,0 +1,38 @@ +package com.baeldung.jackson.deserialization.immutable; + +import com.fasterxml.jackson.databind.ObjectMapper; +import org.junit.Test; + +import java.io.IOException; + +import static org.junit.Assert.*; + +public class ImmutableObjectDeserializationUnitTest { + + @Test + public void whenPublicConstructorIsUsed_thenObjectIsDeserialized() throws IOException { + final String json = "{\"name\":\"Frank\",\"id\":5000}"; + Employee employee = new ObjectMapper().readValue(json, Employee.class); + + assertEquals("Frank", employee.getName()); + assertEquals(5000, employee.getId()); + } + + @Test + public void whenBuilderIsUsedAndFieldIsNull_thenObjectIsDeserialized() throws IOException { + final String json = "{\"name\":\"Frank\"}"; + Person person = new ObjectMapper().readValue(json, Person.class); + + assertEquals("Frank", person.getName()); + assertNull(person.getAge()); + } + + @Test + public void whenBuilderIsUsedAndAllFieldsPresent_thenObjectIsDeserialized() throws IOException { + final String json = "{\"name\":\"Frank\",\"age\":50}"; + Person person = new ObjectMapper().readValue(json, Person.class); + + assertEquals("Frank", person.getName()); + assertEquals(50, (int) person.getAge()); + } +} diff --git a/jackson/src/test/java/com/baeldung/jackson/deserialization/jacksoninject/JacksonInjectUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/deserialization/jacksoninject/JacksonInjectUnitTest.java deleted file mode 100644 index 96dbff6f3c..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/deserialization/jacksoninject/JacksonInjectUnitTest.java +++ /dev/null @@ -1,46 +0,0 @@ -package com.baeldung.jackson.deserialization.jacksoninject; - -import com.fasterxml.jackson.databind.InjectableValues; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import java.io.IOException; -import java.util.UUID; - -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JacksonInjectUnitTest { - - @Test - public void whenDeserializingUsingJacksonInject_thenCorrect() throws IOException { - - UUID id = UUID.fromString("9616dc8c-bad3-11e6-a4a6-cec0c932ce01"); - - // arrange - String authorJson = "{\"firstName\": \"Alex\", \"lastName\": \"Theedom\"}"; - - // act - InjectableValues inject = new InjectableValues.Std().addValue(UUID.class, id); - Author author = new ObjectMapper().reader(inject) - .forType(Author.class) - .readValue(authorJson); - - // assert - assertThat(author.getId()).isEqualTo(id); - - /* - { - "firstName": "Alex", - "lastName": "Theedom", - "publications": [] - } - */ - - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/deserialization/jsonanysetter/JsonAnySetterUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/deserialization/jsonanysetter/JsonAnySetterUnitTest.java deleted file mode 100644 index 2e1f94bc3c..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/deserialization/jsonanysetter/JsonAnySetterUnitTest.java +++ /dev/null @@ -1,50 +0,0 @@ -package com.baeldung.jackson.deserialization.jsonanysetter; - -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import java.io.IOException; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonAnySetterUnitTest { - - @Test - public void whenDeserializingUsingJsonAnySetter_thenCorrect() throws IOException { - - // arrange - String json = "{\"USA\":10.00,\"UK\":15.00,\"China\":23.00,\"Brazil\":12.00,\"France\":8.00,\"Russia\":18.00}"; - - // act - Inventory inventory = new ObjectMapper().readerFor(Inventory.class) - .readValue(json); - - // assert - assertThat(from(json).getMap(".") - .get("USA")).isEqualTo(inventory.getCountryDeliveryCost() - .get("USA")); - assertThat(from(json).getMap(".") - .get("UK")).isEqualTo(inventory.getCountryDeliveryCost() - .get("UK")); - assertThat(from(json).getMap(".") - .get("China")).isEqualTo(inventory.getCountryDeliveryCost() - .get("China")); - assertThat(from(json).getMap(".") - .get("Brazil")).isEqualTo(inventory.getCountryDeliveryCost() - .get("Brazil")); - assertThat(from(json).getMap(".") - .get("France")).isEqualTo(inventory.getCountryDeliveryCost() - .get("France")); - assertThat(from(json).getMap(".") - .get("Russia")).isEqualTo(inventory.getCountryDeliveryCost() - .get("Russia")); - - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/deserialization/jsoncreator/JsonCreatorUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/deserialization/jsoncreator/JsonCreatorUnitTest.java deleted file mode 100644 index cc245dab66..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/deserialization/jsoncreator/JsonCreatorUnitTest.java +++ /dev/null @@ -1,41 +0,0 @@ -package com.baeldung.jackson.deserialization.jsoncreator; - -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import java.io.IOException; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonCreatorUnitTest { - - @Test - public void whenDeserializingUsingJsonCreator_thenCorrect() throws IOException { - - // arrange - String authorJson = "{" + " \"christianName\": \"Alex\"," + " \"surname\": \"Theedom\"" + "}"; - - // act - final Author author = new ObjectMapper().readerFor(Author.class) - .readValue(authorJson); - - // assert - assertThat(from(authorJson).getString("christianName")).isEqualTo(author.getFirstName()); - assertThat(from(authorJson).getString("surname")).isEqualTo(author.getLastName()); - - /* - { - "christianName": "Alex", - "surname": "Theedom" - } - */ - - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/deserialization/jsondeserialize/JsonDeserializeUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/deserialization/jsondeserialize/JsonDeserializeUnitTest.java deleted file mode 100644 index 1bcde998d6..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/deserialization/jsondeserialize/JsonDeserializeUnitTest.java +++ /dev/null @@ -1,35 +0,0 @@ -package com.baeldung.jackson.deserialization.jsondeserialize; - -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import java.io.IOException; -import java.text.SimpleDateFormat; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonDeserializeUnitTest { - - @Test - public void whenDeserializingUsingJsonDeserialize_thenCorrect() throws IOException { - - // arrange - String bookJson = "{\"id\":\"957c43f2-fa2e-42f9-bf75-6e3d5bb6960a\",\"title\":\"Effective Java\",\"authors\":[{\"id\":\"9bcd817d-0141-42e6-8f04-e5aaab0980b6\",\"firstName\":\"Joshua\",\"lastName\":\"Bloch\"}],\"price\":0,\"published\":\"25-12-2017 13:30:25\",\"pages\":null,\"isbn\":null}"; - - // act - Book book = new ObjectMapper().readerFor(Book.class) - .readValue(bookJson); - - // assert - SimpleDateFormat df = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss"); - assertThat(from(bookJson).getString("published")).isEqualTo(df.format(book.getPublished())); - - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/deserialization/jsonsetter/JsonSetterUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/deserialization/jsonsetter/JsonSetterUnitTest.java deleted file mode 100644 index 4379fe376c..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/deserialization/jsonsetter/JsonSetterUnitTest.java +++ /dev/null @@ -1,35 +0,0 @@ -package com.baeldung.jackson.deserialization.jsonsetter; - -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import java.io.IOException; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonSetterUnitTest { - - @Test - public void whenDeserializingUsingJsonSetter_thenCorrect() throws IOException { - - // arrange - String json = "{\"firstName\":\"Alex\",\"lastName\":\"Theedom\",\"publications\":[{\"title\":\"Professional Java EE Design Patterns\"}]}"; - - // act - Author author = new ObjectMapper().readerFor(Author.class) - .readValue(json); - - // assert - assertThat(from(json).getList("publications") - .size()).isEqualTo(author.getItems() - .size()); - - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/dtos/Address.java b/jackson/src/test/java/com/baeldung/jackson/dtos/Address.java new file mode 100644 index 0000000000..985851f456 --- /dev/null +++ b/jackson/src/test/java/com/baeldung/jackson/dtos/Address.java @@ -0,0 +1,33 @@ +package com.baeldung.jackson.dtos; + +public class Address { + + String streetNumber; + String streetName; + String city; + + public String getStreetNumber() { + return streetNumber; + } + + public void setStreetNumber(String streetNumber) { + this.streetNumber = streetNumber; + } + + public String getStreetName() { + return streetName; + } + + public void setStreetName(String streetName) { + this.streetName = streetName; + } + + public String getCity() { + return city; + } + + public void setCity(String city) { + this.city = city; + } + +} diff --git a/jackson/src/test/java/com/baeldung/jackson/dtos/Person.java b/jackson/src/test/java/com/baeldung/jackson/dtos/Person.java new file mode 100644 index 0000000000..13093cdcad --- /dev/null +++ b/jackson/src/test/java/com/baeldung/jackson/dtos/Person.java @@ -0,0 +1,47 @@ +package com.baeldung.jackson.dtos; + +import java.util.ArrayList; +import java.util.List; + +import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlRootElement; + +@JacksonXmlRootElement(localName = "person") +public final class Person { + private String firstName; + private String lastName; + private List phoneNumbers = new ArrayList<>(); + private List
address = new ArrayList<>(); + + public List
getAddress() { + return address; + } + + public void setAddress(List
address) { + this.address = address; + } + + public String getFirstName() { + return firstName; + } + + public void setFirstName(String firstName) { + this.firstName = firstName; + } + + public String getLastName() { + return lastName; + } + + public void setLastName(String lastName) { + this.lastName = lastName; + } + + public List getPhoneNumbers() { + return phoneNumbers; + } + + public void setPhoneNumbers(List phoneNumbers) { + this.phoneNumbers = phoneNumbers; + } + +} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/exception/UserWithRootNamespace.java b/jackson/src/test/java/com/baeldung/jackson/exception/UserWithRootNamespace.java new file mode 100644 index 0000000000..bf8c85efba --- /dev/null +++ b/jackson/src/test/java/com/baeldung/jackson/exception/UserWithRootNamespace.java @@ -0,0 +1,18 @@ +package com.baeldung.jackson.exception; + +import com.fasterxml.jackson.annotation.JsonRootName; + +@JsonRootName(value = "user", namespace="users") +public class UserWithRootNamespace { + public int id; + public String name; + + public UserWithRootNamespace() { + super(); + } + + public UserWithRootNamespace(final int id, final String name) { + this.id = id; + this.name = name; + } +} diff --git a/jackson/src/test/java/com/baeldung/jackson/general/jsonfilter/Author.java b/jackson/src/test/java/com/baeldung/jackson/general/jsonfilter/Author.java deleted file mode 100644 index 3d5a9c907c..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/jsonfilter/Author.java +++ /dev/null @@ -1,32 +0,0 @@ -package com.baeldung.jackson.general.jsonfilter; - -import com.baeldung.jackson.domain.Person; -import com.baeldung.jackson.domain.Item; -import com.fasterxml.jackson.annotation.JsonFilter; - -import java.util.ArrayList; -import java.util.List; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -@JsonFilter("authorFilter") -public class Author extends Person { - - private List items = new ArrayList<>(); - - public Author(String firstName, String lastName) { - super(firstName, lastName); - } - - public List getItems() { - return items; - } - - public void setItems(List items) { - this.items = items; - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/general/jsonfilter/JsonFilterUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/general/jsonfilter/JsonFilterUnitTest.java deleted file mode 100644 index 6fcc57faa7..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/jsonfilter/JsonFilterUnitTest.java +++ /dev/null @@ -1,42 +0,0 @@ -package com.baeldung.jackson.general.jsonfilter; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import com.fasterxml.jackson.databind.ser.FilterProvider; -import com.fasterxml.jackson.databind.ser.impl.SimpleBeanPropertyFilter; -import com.fasterxml.jackson.databind.ser.impl.SimpleFilterProvider; -import org.junit.Test; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonFilterUnitTest { - - @Test - public void whenSerializingUsingJsonFilter_thenCorrect() throws JsonProcessingException { - - // arrange - Author author = new Author("Alex", "Theedom"); - FilterProvider filters = new SimpleFilterProvider().addFilter("authorFilter", SimpleBeanPropertyFilter.filterOutAllExcept("lastName")); - - // act - String result = new ObjectMapper().writer(filters) - .writeValueAsString(author); - - // assert - assertThat(from(result).getList("items")).isNull(); - - /* - { - "lastName": "Theedom" - } - */ - - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/general/jsonformat/Book.java b/jackson/src/test/java/com/baeldung/jackson/general/jsonformat/Book.java deleted file mode 100644 index e2eb4aa48a..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/jsonformat/Book.java +++ /dev/null @@ -1,54 +0,0 @@ -package com.baeldung.jackson.general.jsonformat; - -import com.baeldung.jackson.domain.Author; -import com.baeldung.jackson.domain.Item; -import com.fasterxml.jackson.annotation.JsonFormat; - -import java.math.BigDecimal; -import java.util.Date; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Book extends Item { - - private String ISBN; - - @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "dd-MM-yyyy HH:mm:ss") - private Date published; - private BigDecimal pages; - - public Book() { - } - - public Book(String title, Author author) { - super(title, author); - } - - public String getISBN() { - return ISBN; - } - - public void setISBN(String ISBN) { - this.ISBN = ISBN; - } - - public Date getPublished() { - return published; - } - - public void setPublished(Date published) { - this.published = published; - } - - public BigDecimal getPages() { - return pages; - } - - public void setPages(BigDecimal pages) { - this.pages = pages; - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/general/jsonformat/JsonFormatUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/general/jsonformat/JsonFormatUnitTest.java deleted file mode 100644 index 1fe217cef6..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/jsonformat/JsonFormatUnitTest.java +++ /dev/null @@ -1,63 +0,0 @@ -package com.baeldung.jackson.general.jsonformat; - -import com.baeldung.jackson.domain.Author; -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import java.text.ParseException; -import java.text.SimpleDateFormat; -import java.util.Date; -import java.util.TimeZone; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonFormatUnitTest { - - @Test - public void whenSerializingUsingJsonFormat_thenCorrect() throws JsonProcessingException, ParseException { - - // arrange - SimpleDateFormat df = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss"); - df.setTimeZone(TimeZone.getTimeZone("UTC")); - - String toParse = "20-12-2014 14:30:00"; - Date date = df.parse(toParse); - - Book book = new Book("Design Patterns: Elements of Reusable Object-oriented Software", new Author("The", "GoF")); - book.setPublished(date); - - // act - String result = new ObjectMapper().writeValueAsString(book); - - // assert - assertThat(from(result).getString("published")).isEqualTo(toParse); - - /* - { - "id": "762b39be-fd5b-489e-8688-aeb3b9bbf019", - "title": "Design Patterns: Elements of Reusable Object-oriented Software", - "authors": [ - { - "id": "6941b780-0f54-4259-adcb-85523c8f25f4", - "firstName": "The", - "lastName": "GoF", - "items": [] - } - ], - "price": 0, - "published": "20-12-2014 02:30:00", - "pages": null, - "isbn": null - } - */ - - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/general/jsonidentityinfo/Author.java b/jackson/src/test/java/com/baeldung/jackson/general/jsonidentityinfo/Author.java deleted file mode 100644 index 1f36b95b2a..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/jsonidentityinfo/Author.java +++ /dev/null @@ -1,31 +0,0 @@ -package com.baeldung.jackson.general.jsonidentityinfo; - -import com.fasterxml.jackson.annotation.JsonIdentityInfo; -import com.fasterxml.jackson.annotation.ObjectIdGenerators; - -import java.util.ArrayList; -import java.util.List; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -@JsonIdentityInfo(generator = ObjectIdGenerators.PropertyGenerator.class, property = "id") -public class Author extends Person { - - private List items = new ArrayList<>(); - - public Author(String firstName, String lastName) { - super(firstName, lastName); - } - - public List getItems() { - return items; - } - - public void setItems(List items) { - this.items = items; - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/general/jsonidentityinfo/Course.java b/jackson/src/test/java/com/baeldung/jackson/general/jsonidentityinfo/Course.java deleted file mode 100644 index 80dd9c275e..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/jsonidentityinfo/Course.java +++ /dev/null @@ -1,73 +0,0 @@ -package com.baeldung.jackson.general.jsonidentityinfo; - -import java.util.List; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Course extends Item { - - public enum Medium { - CLASSROOM, ONLINE - } - - public enum Level { - BEGINNER("Beginner", 1), INTERMEDIATE("Intermediate", 2), ADVANCED("Advanced", 3); - - private String name; - private int number; - - Level(String name, int number) { - this.name = name; - this.number = number; - } - - public String getName() { - return name; - } - } - - private float duration; - private Medium medium; - private Level level; - private List prerequisite; - - public Course(String title, Author author) { - super(title, author); - } - - public float getDuration() { - return duration; - } - - public void setDuration(float duration) { - this.duration = duration; - } - - public Medium getMedium() { - return medium; - } - - public void setMedium(Medium medium) { - this.medium = medium; - } - - public Level getLevel() { - return level; - } - - public void setLevel(Level level) { - this.level = level; - } - - public List getPrerequisite() { - return prerequisite; - } - - public void setPrerequisite(List prerequisite) { - this.prerequisite = prerequisite; - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/general/jsonidentityinfo/Item.java b/jackson/src/test/java/com/baeldung/jackson/general/jsonidentityinfo/Item.java deleted file mode 100644 index bad6562122..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/jsonidentityinfo/Item.java +++ /dev/null @@ -1,64 +0,0 @@ -package com.baeldung.jackson.general.jsonidentityinfo; - -import com.fasterxml.jackson.annotation.JsonIdentityInfo; -import com.fasterxml.jackson.annotation.ObjectIdGenerators; - -import java.util.ArrayList; -import java.util.List; -import java.util.UUID; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -@JsonIdentityInfo(generator = ObjectIdGenerators.PropertyGenerator.class, property = "id") -public class Item { - - private UUID id; - private String title; - private List authors = new ArrayList<>(); - private float price; - - public Item() { - } - - public Item(String title, Author author) { - this.id = UUID.randomUUID(); - this.title = title; - this.authors.add(author); - } - - public UUID getId() { - return id; - } - - public void setId(UUID id) { - this.id = id; - } - - public String getTitle() { - return title; - } - - public void setTitle(String title) { - this.title = title; - } - - public List getAuthors() { - return authors; - } - - public void setAuthors(List authors) { - this.authors = authors; - } - - public float getPrice() { - return price; - } - - public void setPrice(float price) { - this.price = price; - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/general/jsonidentityinfo/JsonIdentityInfoUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/general/jsonidentityinfo/JsonIdentityInfoUnitTest.java deleted file mode 100644 index 014f1a8f69..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/jsonidentityinfo/JsonIdentityInfoUnitTest.java +++ /dev/null @@ -1,60 +0,0 @@ -package com.baeldung.jackson.general.jsonidentityinfo; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import java.util.Collections; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonIdentityInfoUnitTest { - - @Test - public void whenSerializingUsingJsonIdentityInfo_thenCorrect() throws JsonProcessingException { - - // arrange - Author author = new Author("Alex", "Theedom"); - - Course course = new Course("Java EE Introduction", author); - author.setItems(Collections.singletonList(course)); - course.setAuthors(Collections.singletonList(author)); - - // act - String result = new ObjectMapper().writeValueAsString(author); - - // assert - assertThat(from(result).getString("items[0].authors")).isNotNull(); - - /* - Authors are included. - { - "id": "1b408bf9-5946-4a14-a112-fde2953a7fe7", - "firstName": "Alex", - "lastName": "Theedom", - "items": [ - { - "id": "5ed30530-f0a5-42eb-b786-be2c655da968", - "title": "Java EE Introduction", - "authors": [ - "1b408bf9-5946-4a14-a112-fde2953a7fe7" - ], - "price": 0, - "duration": 0, - "medium": null, - "level": null, - "prerequisite": null - } - ] - } - */ - - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/general/jsonidentityinfo/Person.java b/jackson/src/test/java/com/baeldung/jackson/general/jsonidentityinfo/Person.java deleted file mode 100644 index ea80814124..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/jsonidentityinfo/Person.java +++ /dev/null @@ -1,45 +0,0 @@ -package com.baeldung.jackson.general.jsonidentityinfo; - -import java.util.UUID; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Person { - - private UUID id; - private String firstName; - private String lastName; - - public Person() { - } - - public Person(String firstName, String lastName) { - this.id = UUID.randomUUID(); - this.firstName = firstName; - this.lastName = lastName; - } - - public String getFirstName() { - return firstName; - } - - public void setFirstName(String firstName) { - this.firstName = firstName; - } - - public String getLastName() { - return lastName; - } - - public void setLastName(String lastName) { - this.lastName = lastName; - } - - public UUID getId() { - return id; - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/general/jsonproperty/Author.java b/jackson/src/test/java/com/baeldung/jackson/general/jsonproperty/Author.java deleted file mode 100644 index 01552df729..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/jsonproperty/Author.java +++ /dev/null @@ -1,29 +0,0 @@ -package com.baeldung.jackson.general.jsonproperty; - -import com.baeldung.jackson.domain.Person; - -import java.util.ArrayList; -import java.util.List; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Author extends Person { - - private List items = new ArrayList<>(); - - public Author(String firstName, String lastName) { - super(firstName, lastName); - } - - public List getItems() { - return items; - } - - public void setItems(List items) { - this.items = items; - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/general/jsonproperty/Book.java b/jackson/src/test/java/com/baeldung/jackson/general/jsonproperty/Book.java deleted file mode 100644 index 100d9634f5..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/jsonproperty/Book.java +++ /dev/null @@ -1,61 +0,0 @@ -package com.baeldung.jackson.general.jsonproperty; - -import com.fasterxml.jackson.annotation.JsonProperty; - -import java.math.BigDecimal; -import java.util.Date; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Book extends Item { - - private String ISBN; - private Date published; - private BigDecimal pages; - private String binding; - - public Book() { - } - - public Book(String title, Author author) { - super(title, author); - } - - public String getISBN() { - return ISBN; - } - - public void setISBN(String ISBN) { - this.ISBN = ISBN; - } - - public Date getPublished() { - return published; - } - - public void setPublished(Date published) { - this.published = published; - } - - public BigDecimal getPages() { - return pages; - } - - public void setPages(BigDecimal pages) { - this.pages = pages; - } - - @JsonProperty("binding") - public String coverBinding() { - return binding; - } - - @JsonProperty("binding") - public void configureBinding(String binding) { - this.binding = binding; - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/general/jsonproperty/Item.java b/jackson/src/test/java/com/baeldung/jackson/general/jsonproperty/Item.java deleted file mode 100644 index d7ee430d51..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/jsonproperty/Item.java +++ /dev/null @@ -1,62 +0,0 @@ -package com.baeldung.jackson.general.jsonproperty; - -import com.baeldung.jackson.domain.Person; - -import java.util.ArrayList; -import java.util.List; -import java.util.UUID; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Item { - - private UUID id; - private String title; - private List authors = new ArrayList<>(); - private float price; - - public Item() { - } - - public Item(String title, Author author) { - this.id = UUID.randomUUID(); - this.title = title; - this.authors.add(author); - } - - public UUID getId() { - return id; - } - - public void setId(UUID id) { - this.id = id; - } - - public String getTitle() { - return title; - } - - public void setTitle(String title) { - this.title = title; - } - - public List getAuthors() { - return authors; - } - - public void setAuthors(List authors) { - this.authors = authors; - } - - public float getPrice() { - return price; - } - - public void setPrice(float price) { - this.price = price; - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/general/jsonproperty/JsonPropertyUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/general/jsonproperty/JsonPropertyUnitTest.java deleted file mode 100644 index 0b88e7fc47..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/jsonproperty/JsonPropertyUnitTest.java +++ /dev/null @@ -1,70 +0,0 @@ -package com.baeldung.jackson.general.jsonproperty; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import java.io.IOException; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonPropertyUnitTest { - - @Test - public void whenSerializingUsingJsonProperty_thenCorrect() throws JsonProcessingException { - - // arrange - Book book = new Book("Design Patterns: Elements of Reusable Object-oriented Software", new Author("The", "GoF")); - book.configureBinding("Hardback"); - - // act - String result = new ObjectMapper().writeValueAsString(book); - - // assert - assertThat(from(result).getString("binding")).isEqualTo("Hardback"); - - /* - { - "id": "cd941587-d1ae-4c2a-9a36-29533bf50411", - "title": "Design Patterns: Elements of Reusable Object-oriented Software", - "authors": [ - { - "id": "c8e26318-2f5b-4fa2-9fdc-6e99be021fca", - "firstName": "The", - "lastName": "GoF", - "items": [] - } - ], - "price": 0, - "published": null, - "pages": null, - "isbn": null, - "binding": "Hardback" - } - */ - - } - - @Test - public void whenDeserializingUsingJsonProperty_thenCorrect() throws IOException { - - // arrange - String result = "{\"id\":\"cd941587-d1ae-4c2a-9a36-29533bf50411\",\"title\":\"Design Patterns: Elements of Reusable Object-oriented Software\",\"authors\":[{\"id\":\"c8e26318-2f5b-4fa2-9fdc-6e99be021fca\",\"firstName\":\"The\",\"lastName\":\"GoF\"}],\"binding\":\"Hardback\"}"; - - // act - Book book = new ObjectMapper().readerFor(Book.class) - .readValue(result); - - // assert - assertThat(book.coverBinding()).isEqualTo("Hardback"); - - } - -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/general/jsonunwrapped/JsonUnwrappedUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/general/jsonunwrapped/JsonUnwrappedUnitTest.java deleted file mode 100644 index 5130e037d5..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/jsonunwrapped/JsonUnwrappedUnitTest.java +++ /dev/null @@ -1,43 +0,0 @@ -package com.baeldung.jackson.general.jsonunwrapped; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonUnwrappedUnitTest { - - @Test - public void whenSerializingUsingJsonUnwrapped_thenCorrect() throws JsonProcessingException { - - // arrange - Order.Type preorderType = new Order.Type(); - preorderType.id = 10; - preorderType.name = "pre-order"; - - Order order = new Order(preorderType); - - // act - String result = new ObjectMapper().writeValueAsString(order); - - // assert - assertThat(from(result).getInt("id")).isEqualTo(10); - assertThat(from(result).getString("name")).isEqualTo("pre-order"); - - /* - { - "id": 10, - "name": "pre-order" - } - */ - - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/general/jsonunwrapped/Order.java b/jackson/src/test/java/com/baeldung/jackson/general/jsonunwrapped/Order.java deleted file mode 100644 index b1c5b832c3..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/jsonunwrapped/Order.java +++ /dev/null @@ -1,54 +0,0 @@ -package com.baeldung.jackson.general.jsonunwrapped; - -import com.fasterxml.jackson.annotation.JsonUnwrapped; - -import java.util.UUID; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Order { - - private UUID id; - - @JsonUnwrapped - private Type type; - private int internalAudit; - - public static class Type { - public long id; - public String name; - } - - public Order() { - this.id = UUID.randomUUID(); - } - - public Order(Type type) { - this(); - this.type = type; - } - - public Order(int internalAudit) { - this(); - this.type = new Type(); - this.type.id = 20; - this.type.name = "Order"; - this.internalAudit = internalAudit; - } - - public UUID getId() { - return id; - } - - public Type getType() { - return type; - } - - public void setType(Type type) { - this.type = type; - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/general/jsonview/JsonViewUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/general/jsonview/JsonViewUnitTest.java deleted file mode 100644 index ab609008ce..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/jsonview/JsonViewUnitTest.java +++ /dev/null @@ -1,73 +0,0 @@ -package com.baeldung.jackson.general.jsonview; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonViewUnitTest { - - @Test - public void whenSerializingUsingJsonView_andInternalView_thenCorrect() throws JsonProcessingException { - - // arrange - Order order = new Order(120); - - // act - String result = new ObjectMapper().writerWithView(Views.Internal.class) - .writeValueAsString(order); - - // assert - assertThat(from(result).getUUID("id")).isNotNull(); - assertThat(from(result).getObject("type", Order.Type.class)).isNotNull(); - assertThat(from(result).getInt("internalAudit")).isEqualTo(120); - - /* - { - "id": "33806388-795b-4812-b90a-60292111bc5c", - "type": { - "id": 20, - "name": "Order" - }, - "internalAudit": 120 - } - */ - - } - - @Test - public void whenSerializingUsingJsonView_andPublicView_thenCorrect() throws JsonProcessingException { - - // arrange - Order order = new Order(120); - - // act - String result = new ObjectMapper().writerWithView(Views.Public.class) - .writeValueAsString(order); - - // assert - assertThat(from(result).getUUID("id")).isNotNull(); - assertThat(from(result).getObject("type", Order.Type.class)).isNotNull(); - assertThat(result).doesNotContain("internalAudit"); - - /* - { - "id": "5184d5fc-e359-4cdf-93fa-4054025bef4e", - "type": { - "id": 20, - "name": "Order" - } - } - */ - - } - -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/general/jsonview/Order.java b/jackson/src/test/java/com/baeldung/jackson/general/jsonview/Order.java deleted file mode 100644 index 69adf1b59d..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/jsonview/Order.java +++ /dev/null @@ -1,57 +0,0 @@ -package com.baeldung.jackson.general.jsonview; - -import com.fasterxml.jackson.annotation.JsonView; - -import java.util.UUID; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Order { - - @JsonView(Views.Public.class) - private UUID id; - - @JsonView(Views.Public.class) - private Type type; - - @JsonView(Views.Internal.class) - private int internalAudit; - - public static class Type { - public long id; - public String name; - } - - public Order() { - this.id = UUID.randomUUID(); - } - - public Order(Type type) { - this(); - this.type = type; - } - - public Order(int internalAudit) { - this(); - this.type = new Type(); - this.type.id = 20; - this.type.name = "Order"; - this.internalAudit = internalAudit; - } - - public UUID getId() { - return id; - } - - public Type getType() { - return type; - } - - public void setType(Type type) { - this.type = type; - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/general/jsonview/Views.java b/jackson/src/test/java/com/baeldung/jackson/general/jsonview/Views.java deleted file mode 100644 index b55997554d..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/jsonview/Views.java +++ /dev/null @@ -1,15 +0,0 @@ -package com.baeldung.jackson.general.jsonview; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Views { - public static class Public { - } - - public static class Internal extends Public { - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/general/reference/Author.java b/jackson/src/test/java/com/baeldung/jackson/general/reference/Author.java deleted file mode 100644 index 02dd9470d7..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/reference/Author.java +++ /dev/null @@ -1,30 +0,0 @@ -package com.baeldung.jackson.general.reference; - -import com.fasterxml.jackson.annotation.JsonManagedReference; - -import java.util.ArrayList; -import java.util.List; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Author extends Person { - - private List items = new ArrayList<>(); - - public Author(String firstName, String lastName) { - super(firstName, lastName); - } - - @JsonManagedReference - public List getItems() { - return items; - } - - public void setItems(List items) { - this.items = items; - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/general/reference/Course.java b/jackson/src/test/java/com/baeldung/jackson/general/reference/Course.java deleted file mode 100644 index 251d25a517..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/reference/Course.java +++ /dev/null @@ -1,73 +0,0 @@ -package com.baeldung.jackson.general.reference; - -import java.util.List; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Course extends Item { - - public enum Medium { - CLASSROOM, ONLINE - } - - public enum Level { - BEGINNER("Beginner", 1), INTERMEDIATE("Intermediate", 2), ADVANCED("Advanced", 3); - - private String name; - private int number; - - Level(String name, int number) { - this.name = name; - this.number = number; - } - - public String getName() { - return name; - } - } - - private float duration; - private Medium medium; - private Level level; - private List prerequisite; - - public Course(String title, Author author) { - super(title, author); - } - - public float getDuration() { - return duration; - } - - public void setDuration(float duration) { - this.duration = duration; - } - - public Medium getMedium() { - return medium; - } - - public void setMedium(Medium medium) { - this.medium = medium; - } - - public Level getLevel() { - return level; - } - - public void setLevel(Level level) { - this.level = level; - } - - public List getPrerequisite() { - return prerequisite; - } - - public void setPrerequisite(List prerequisite) { - this.prerequisite = prerequisite; - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/general/reference/Item.java b/jackson/src/test/java/com/baeldung/jackson/general/reference/Item.java deleted file mode 100644 index 5dd66a8ca3..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/reference/Item.java +++ /dev/null @@ -1,64 +0,0 @@ -package com.baeldung.jackson.general.reference; - -import com.fasterxml.jackson.annotation.JsonBackReference; - -import java.util.ArrayList; -import java.util.List; -import java.util.UUID; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Item { - - private UUID id; - private String title; - - @JsonBackReference - private List authors = new ArrayList<>(); - private float price; - - public Item() { - } - - public Item(String title, Author author) { - this.id = UUID.randomUUID(); - this.title = title; - this.authors.add(author); - } - - public UUID getId() { - return id; - } - - public void setId(UUID id) { - this.id = id; - } - - public String getTitle() { - return title; - } - - public void setTitle(String title) { - this.title = title; - } - - public List getAuthors() { - return authors; - } - - public void setAuthors(List authors) { - this.authors = authors; - } - - public float getPrice() { - return price; - } - - public void setPrice(float price) { - this.price = price; - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/general/reference/Person.java b/jackson/src/test/java/com/baeldung/jackson/general/reference/Person.java deleted file mode 100644 index 95c0b35b8b..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/reference/Person.java +++ /dev/null @@ -1,45 +0,0 @@ -package com.baeldung.jackson.general.reference; - -import java.util.UUID; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class Person { - - private UUID id; - private String firstName; - private String lastName; - - public Person() { - } - - public Person(String firstName, String lastName) { - this.id = UUID.randomUUID(); - this.firstName = firstName; - this.lastName = lastName; - } - - public String getFirstName() { - return firstName; - } - - public void setFirstName(String firstName) { - this.firstName = firstName; - } - - public String getLastName() { - return lastName; - } - - public void setLastName(String lastName) { - this.lastName = lastName; - } - - public UUID getId() { - return id; - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/general/reference/ReferenceUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/general/reference/ReferenceUnitTest.java deleted file mode 100644 index 7a52a69656..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/general/reference/ReferenceUnitTest.java +++ /dev/null @@ -1,59 +0,0 @@ -package com.baeldung.jackson.general.reference; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import java.util.Collections; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class ReferenceUnitTest { - - @Test - public void whenSerializingUsingReference_thenCorrect() throws JsonProcessingException { - - // arrange - Author author = new Author("Alex", "Theedom"); - - Course course = new Course("Java EE Introduction", author); - author.setItems(Collections.singletonList(course)); - course.setAuthors(Collections.singletonList(author)); - - // act - String result = new ObjectMapper().writeValueAsString(author); - - // assert - assertThat(from(result).getString("items[0].authors")).isNull(); - - /* - Without references defined it throws StackOverflowError. - Authors excluded. - - { - "id": "9c45d9b3-4888-4c24-8b74-65ef35627cd7", - "firstName": "Alex", - "lastName": "Theedom", - "items": [ - { - "id": "f8309629-d178-4d67-93a4-b513ec4a7f47", - "title": "Java EE Introduction", - "price": 0, - "duration": 0, - "medium": null, - "level": null, - "prerequisite": null - } - ] - } - */ - - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/inclusion/jsonautodetect/JsonAutoDetectUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/inclusion/jsonautodetect/JsonAutoDetectUnitTest.java deleted file mode 100644 index a3e29776a9..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/inclusion/jsonautodetect/JsonAutoDetectUnitTest.java +++ /dev/null @@ -1,52 +0,0 @@ -package com.baeldung.jackson.inclusion.jsonautodetect; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonAutoDetectUnitTest { - - @Test - public void whenSerializingUsingJsonAutoDetect_thenCorrect() throws JsonProcessingException { - - // arrange - Order order = new Order(1234567890); - - // act - String result = new ObjectMapper().writeValueAsString(order); - - // assert - assertThat(from(result).getInt("internalAudit")).isEqualTo(1234567890); - - /* - With @JsonAutoDetect - { - "id": "c94774d9-de8f-4244-85d5-624bd3a4567a", - "type": { - "id": 20, - "name": "Order" - }, - "internalAudit": 1234567890 - } - - Without @JsonAutoDetect - { - "id": "c94774d9-de8f-4244-85d5-624bd3a4567a", - "type": { - "id": 20, - "name": "Order" - } - } - */ - - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/inclusion/jsonignore/JsonIgnoreUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/inclusion/jsonignore/JsonIgnoreUnitTest.java deleted file mode 100644 index 89e3c15f04..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/inclusion/jsonignore/JsonIgnoreUnitTest.java +++ /dev/null @@ -1,41 +0,0 @@ -package com.baeldung.jackson.inclusion.jsonignore; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonIgnoreUnitTest { - - @Test - public void whenSerializingUsingJsonIgnore_thenCorrect() throws JsonProcessingException { - - // arrange - Author author = new Author("Alex", "Theedom"); - - // act - String result = new ObjectMapper().writeValueAsString(author); - - // assert - assertThat(from(result).getString("firstName")).isEqualTo("Alex"); - assertThat(from(result).getString("lastName")).isEqualTo("Theedom"); - assertThat(from(result).getString("id")).isNull(); - - /* - { - "firstName": "Alex", - "lastName": "Theedom", - "items": [] - } - */ - - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/inclusion/jsonignoreproperties/JsonIgnorePropertiesUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/inclusion/jsonignoreproperties/JsonIgnorePropertiesUnitTest.java deleted file mode 100644 index be20d242c9..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/inclusion/jsonignoreproperties/JsonIgnorePropertiesUnitTest.java +++ /dev/null @@ -1,52 +0,0 @@ -package com.baeldung.jackson.inclusion.jsonignoreproperties; - -import com.baeldung.jackson.domain.Author; -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonIgnorePropertiesUnitTest { - - @Test - public void whenSerializingUsingJsonIgnoreProperties_thenCorrect() throws JsonProcessingException { - - // arrange - Course course = new Course("Spring Security", new Author("Eugen", "Paraschiv")); - course.setMedium(Course.Medium.ONLINE); - - // act - String result = new ObjectMapper().writeValueAsString(course); - - // assert - assertThat(from(result).getString("medium")).isNull(); - - /* - { - "id": "ef0c8d2b-b088-409e-905c-95ac88dc0ed0", - "title": "Spring Security", - "authors": [ - { - "id": "47a4f498-b0f3-4daf-909f-d2c35a0fe3c2", - "firstName": "Eugen", - "lastName": "Paraschiv", - "items": [] - } - ], - "price": 0, - "duration": 0, - "level": null, - "prerequisite": null - } - */ - - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/inclusion/jsonignoretype/JsonIgnoreTypeUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/inclusion/jsonignoretype/JsonIgnoreTypeUnitTest.java deleted file mode 100644 index e8917ff526..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/inclusion/jsonignoretype/JsonIgnoreTypeUnitTest.java +++ /dev/null @@ -1,40 +0,0 @@ -package com.baeldung.jackson.inclusion.jsonignoretype; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonIgnoreTypeUnitTest { - - @Test - public void whenSerializingUsingJsonIgnoreType_thenCorrect() throws JsonProcessingException { - - // arrange - Order.Type type = new Order.Type(); - type.id = 10; - type.name = "Pre-order"; - - Order order = new Order(type); - - // act - String result = new ObjectMapper().writeValueAsString(order); - - // assert - assertThat(from(result).getString("id")).isNotNull(); - assertThat(from(result).getString("type")).isNull(); - - /* - {"id":"ac2428da-523e-443c-a18a-4ea4d2791fea"} - */ - - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/inclusion/jsoninclude/JsonIncludeUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/inclusion/jsoninclude/JsonIncludeUnitTest.java deleted file mode 100644 index ca4c4b751a..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/inclusion/jsoninclude/JsonIncludeUnitTest.java +++ /dev/null @@ -1,40 +0,0 @@ -package com.baeldung.jackson.inclusion.jsoninclude; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonIncludeUnitTest { - - @Test - public void whenSerializingUsingJsonInclude_thenCorrect() throws JsonProcessingException { - - // arrange - Author author = new Author("Alex", null); - - // act - String result = new ObjectMapper().writeValueAsString(author); - - // assert - assertThat(from(result).getString("firstName")).isEqualTo("Alex"); - assertThat(result).doesNotContain("lastName"); - - /* - { - "id": "e8bb4802-6e0c-4fa5-9f68-c233272399cd", - "firstName": "Alex", - "items": [] - } - */ - - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/miscellaneous/custom/CustomUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/miscellaneous/custom/CustomUnitTest.java deleted file mode 100644 index 8f90c02875..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/miscellaneous/custom/CustomUnitTest.java +++ /dev/null @@ -1,51 +0,0 @@ -package com.baeldung.jackson.miscellaneous.custom; - -import com.baeldung.jackson.domain.Author; -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class CustomUnitTest { - - @Test - public void whenSerializingUsingCustom_thenCorrect() throws JsonProcessingException { - - // arrange - Course course = new Course("Spring Security", new Author("Eugen", "Paraschiv")); - course.setMedium(Course.Medium.ONLINE); - - // act - String result = new ObjectMapper().writeValueAsString(course); - - // assert - assertThat(from(result).getString("title")).isEqualTo("Spring Security"); - - /* - { - "title": "Spring Security", - "price": 0, - "id": "7dfd4db9-1175-432f-a53b-687423f7bb9b", - "duration": 0, - "authors": [ - { - "id": "da0738f6-033c-4974-8d87-92820e5ccf27", - "firstName": "Eugen", - "lastName": "Paraschiv", - "items": [] - } - ], - "medium": "ONLINE" - } - */ - - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/miscellaneous/disable/DisableUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/miscellaneous/disable/DisableUnitTest.java deleted file mode 100644 index f9bc14291e..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/miscellaneous/disable/DisableUnitTest.java +++ /dev/null @@ -1,58 +0,0 @@ -package com.baeldung.jackson.miscellaneous.disable; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.MapperFeature; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class DisableUnitTest { - - @Test - public void whenSerializingUsingDisable_thenCorrect() throws JsonProcessingException { - - // arrange - Author author = new Author("Alex", "Theedom"); - - // act - ObjectMapper mapper = new ObjectMapper(); - String result = mapper.writeValueAsString(author); - - // assert - assertThat(from(result).getList("items")).isNull(); - - /* - { - "lastName": "Theedom", - "firstName": "Alex", - "id": "de4afbb4-b24d-45c8-bb00-fd6b9acb42f1" - } - */ - - // act - mapper = new ObjectMapper(); - mapper.disable(MapperFeature.USE_ANNOTATIONS); - result = mapper.writeValueAsString(author); - - // assert - assertThat(from(result).getList("items")).isNotNull(); - - /* - { - "id": "81e6ed72-6b27-4fe9-a36f-e3171c5b55ef", - "firstName": "Alex", - "lastName": "Theedom", - "items": [] - } - */ - - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/miscellaneous/mixin/MixInUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/miscellaneous/mixin/MixInUnitTest.java deleted file mode 100644 index 732cda58d0..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/miscellaneous/mixin/MixInUnitTest.java +++ /dev/null @@ -1,58 +0,0 @@ -package com.baeldung.jackson.miscellaneous.mixin; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import java.util.List; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class MixInUnitTest { - - @Test - public void whenSerializingUsingMixIn_thenCorrect() throws JsonProcessingException { - - // arrange - Author author = new Author("Alex", "Theedom"); - - // act - String result = new ObjectMapper().writeValueAsString(author); - - // assert - assertThat(from(result).getList("items")).isNotNull(); - - /* - { - "id": "f848b076-00a4-444a-a50b-328595dd9bf5", - "firstName": "Alex", - "lastName": "Theedom", - "items": [] - } - */ - - ObjectMapper mapper = new ObjectMapper(); - mapper.addMixIn(List.class, IgnoreListMixIn.class); - - result = mapper.writeValueAsString(author); - - // assert - assertThat(from(result).getList("items")).isNull(); - - /* - { - "id": "9ffefb7d-e56f-447c-9009-e92e142f8347", - "firstName": "Alex", - "lastName": "Theedom" - } - */ - - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/polymorphism/PolymorphismUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/polymorphism/PolymorphismUnitTest.java deleted file mode 100644 index e922cf9976..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/polymorphism/PolymorphismUnitTest.java +++ /dev/null @@ -1,66 +0,0 @@ -package com.baeldung.jackson.polymorphism; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import java.io.IOException; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class PolymorphismUnitTest { - - @Test - public void whenSerializingUsingPolymorphism_thenCorrect() throws JsonProcessingException { - - // arrange - Order.InternalType internalType = new Order.InternalType(); - internalType.id = 250; - internalType.name = "staff"; - - Order order = new Order(internalType); - - // act - String result = new ObjectMapper().writeValueAsString(order); - - // assert - assertThat(from(result).getString("type.ordertype")).isEqualTo("internal"); - - /* - { - "id": "7fc898e3-b4e7-41b0-8ffa-664cf3663f2e", - "type": { - "ordertype": "internal", - "id": 250, - "name": "staff" - } - } - */ - - } - - @Test - public void whenDeserializingPolymorphic_thenCorrect() throws IOException { - - // arrange - String orderJson = "{\"type\":{\"ordertype\":\"internal\",\"id\":100,\"name\":\"directors\"}}"; - - // act - Order order = new ObjectMapper().readerFor(Order.class) - .readValue(orderJson); - - // assert - assertThat(from(orderJson).getString("type.ordertype")).isEqualTo("internal"); - assertThat(((Order.InternalType) order.getType()).name).isEqualTo("directors"); - assertThat(((Order.InternalType) order.getType()).id).isEqualTo(100); - assertThat(order.getType() - .getClass()).isEqualTo(Order.InternalType.class); - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/serialization/jsonanygetter/JsonAnyGetterUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/serialization/jsonanygetter/JsonAnyGetterUnitTest.java deleted file mode 100644 index 7a786e0bd6..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/serialization/jsonanygetter/JsonAnyGetterUnitTest.java +++ /dev/null @@ -1,49 +0,0 @@ -package com.baeldung.jackson.serialization.jsonanygetter; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import java.util.Map; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonAnyGetterUnitTest { - - @Test - public void whenSerializingUsingJsonAnyGetter_thenCorrect() throws JsonProcessingException { - - // arrange - Inventory inventory = new Inventory(); - Map countryDeliveryCost = inventory.getCountryDeliveryCost(); - inventory.setLocation("France"); - - countryDeliveryCost.put("USA", 10.00f); - countryDeliveryCost.put("UK", 15.00f); - - // act - String result = new ObjectMapper().writeValueAsString(inventory); - - // assert - assertThat(from(result).getString("location")).isEqualTo("France"); - assertThat(from(result).getFloat("USA")).isEqualTo(10.00f); - assertThat(from(result).getFloat("UK")).isEqualTo(15.00f); - - /* - { - "location": "France", - "USA": 10, - "UK": 15 - } - */ - - } - -} diff --git a/jackson/src/test/java/com/baeldung/jackson/serialization/jsongetter/JsonGetterUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/serialization/jsongetter/JsonGetterUnitTest.java deleted file mode 100644 index 4bc9c51e83..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/serialization/jsongetter/JsonGetterUnitTest.java +++ /dev/null @@ -1,40 +0,0 @@ -package com.baeldung.jackson.serialization.jsongetter; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonGetterUnitTest { - - @Test - public void whenSerializingUsingJsonGetter_thenCorrect() throws JsonProcessingException { - - // arrange - Author author = new Author("Alex", "Theedom"); - - // act - String result = new ObjectMapper().writeValueAsString(author); - - // assert - assertThat(from(result).getList("publications")).isNotNull(); - assertThat(from(result).getList("items")).isNull(); - - /* - { - "firstName": "Alex", - "lastName": "Theedom", - "publications": [] - } - */ - - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/serialization/jsonpropertyorder/JsonPropertyOrderUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/serialization/jsonpropertyorder/JsonPropertyOrderUnitTest.java deleted file mode 100644 index 77ef85ed73..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/serialization/jsonpropertyorder/JsonPropertyOrderUnitTest.java +++ /dev/null @@ -1,42 +0,0 @@ -package com.baeldung.jackson.serialization.jsonpropertyorder; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import static io.restassured.module.jsv.JsonSchemaValidator.matchesJsonSchemaInClasspath; -import static org.hamcrest.MatcherAssert.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonPropertyOrderUnitTest { - - @Test - public void whenSerializingUsingJsonPropertyOrder_thenCorrect() throws JsonProcessingException { - - // arrange - Author author = new Author("Alex", "Theedom"); - - // act - String result = new ObjectMapper().writeValueAsString(author); - - // assert - assertThat(result, matchesJsonSchemaInClasspath("author-jsonpropertyorder-schema.json")); - - // NOTE: property order is not enforced by the JSON specification. - - /* - { - "items": [], - "firstName": "Alex", - "lastName": "Theedom", - "id": "fd277638-9b6e-49f7-81c1-bc52f165245b" - } - */ - - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/serialization/jsonrawvalue/JsonRawValueUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/serialization/jsonrawvalue/JsonRawValueUnitTest.java deleted file mode 100644 index f0f0913aee..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/serialization/jsonrawvalue/JsonRawValueUnitTest.java +++ /dev/null @@ -1,40 +0,0 @@ -package com.baeldung.jackson.serialization.jsonrawvalue; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonRawValueUnitTest { - - @Test - public void whenSerializingUsingJsonRawValue_thenCorrect() throws JsonProcessingException { - - // arrange - String customerConfig = "{\"colour\":\"red\",\"device\":\"mobile\",\"orientation\":\"landscape\"}"; - Customer customer = new Customer("Alex", "Theedom"); - customer.setConfiguration("{\"colour\":\"red\",\"device\":\"mobile\",\"orientation\":\"landscape\"}"); - - // act - String result = new ObjectMapper().writeValueAsString(customer); - - // assert - assertThat(result.contains(customerConfig)); - - /* - { - "firstName": "Alex", - "lastName": "Theedom", - "publications": [] - } - */ - - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/serialization/jsonrootname/JsonRootNameUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/serialization/jsonrootname/JsonRootNameUnitTest.java deleted file mode 100644 index cb54e63079..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/serialization/jsonrootname/JsonRootNameUnitTest.java +++ /dev/null @@ -1,46 +0,0 @@ -package com.baeldung.jackson.serialization.jsonrootname; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import com.fasterxml.jackson.databind.SerializationFeature; -import org.junit.Test; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonRootNameUnitTest { - - @Test - public void whenSerializingUsingJsonRootName_thenCorrect() throws JsonProcessingException { - - // arrange - Author author = new Author("Alex", "Theedom"); - - // act - ObjectMapper mapper = new ObjectMapper(); - mapper.enable(SerializationFeature.WRAP_ROOT_VALUE); - String result = mapper.writeValueAsString(author); - - // assert - assertThat(from(result).getString("writer.firstName")).isEqualTo("Alex"); - assertThat(from(result).getString("author.firstName")).isNull(); - - /* - { - "writer": { - "id": "0f50dca6-3dd7-4801-a334-fd1614276389", - "firstName": "Alex", - "lastName": "Theedom", - "items": [] - } - } - */ - - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/serialization/jsonserialize/JsonSerializeUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/serialization/jsonserialize/JsonSerializeUnitTest.java deleted file mode 100644 index cca018e78d..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/serialization/jsonserialize/JsonSerializeUnitTest.java +++ /dev/null @@ -1,58 +0,0 @@ -package com.baeldung.jackson.serialization.jsonserialize; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import java.text.ParseException; -import java.text.SimpleDateFormat; - -import static io.restassured.path.json.JsonPath.from; -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonSerializeUnitTest { - - @Test - public void whenSerializingUsingJsonSerialize_thenCorrect() throws JsonProcessingException, ParseException { - - // arrange - Author joshuaBloch = new Author("Joshua", "Bloch"); - Book book = new Book("Effective Java", joshuaBloch); - - SimpleDateFormat df = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss"); - String toParse = "25-12-2017 13:30:25"; - book.setPublished(df.parse(toParse)); - - // act - String result = new ObjectMapper().writeValueAsString(book); - - // assert - assertThat(from(result).getString("published")).isEqualTo(toParse); - - /* - { - "id": "957c43f2-fa2e-42f9-bf75-6e3d5bb6960a", - "title": "Effective Java", - "authors": [ - { - "id": "9bcd817d-0141-42e6-8f04-e5aaab0980b6", - "firstName": "Joshua", - "lastName": "Bloch", - "items": [] - } - ], - "price": 0, - "published": "25-12-2017 13:30:25", - "pages": null, - "isbn": null - } - */ - - } -} diff --git a/jackson/src/test/java/com/baeldung/jackson/serialization/jsonvalue/JsonValueUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/serialization/jsonvalue/JsonValueUnitTest.java deleted file mode 100644 index 465daf13f5..0000000000 --- a/jackson/src/test/java/com/baeldung/jackson/serialization/jsonvalue/JsonValueUnitTest.java +++ /dev/null @@ -1,27 +0,0 @@ -package com.baeldung.jackson.serialization.jsonvalue; - -import com.fasterxml.jackson.core.JsonProcessingException; -import com.fasterxml.jackson.databind.ObjectMapper; -import org.junit.Test; - -import static org.assertj.core.api.Assertions.assertThat; - -/** - * Source code github.com/readlearncode - * - * @author Alex Theedom www.readlearncode.com - * @version 1.0 - */ -public class JsonValueUnitTest { - - @Test - public void whenSerializingUsingJsonValue_thenCorrect() throws JsonProcessingException { - - // act - String result = new ObjectMapper().writeValueAsString(Course.Level.ADVANCED); - - // assert - assertThat(result).isEqualTo("\"Advanced\""); - - } -} \ No newline at end of file diff --git a/jackson/src/test/java/com/baeldung/jackson/test/JacksonAnnotationUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/test/JacksonAnnotationUnitTest.java index 935777bad1..ee11f8f20e 100644 --- a/jackson/src/test/java/com/baeldung/jackson/test/JacksonAnnotationUnitTest.java +++ b/jackson/src/test/java/com/baeldung/jackson/test/JacksonAnnotationUnitTest.java @@ -14,6 +14,7 @@ import java.util.TimeZone; import org.junit.Test; +import com.baeldung.jackson.annotation.AliasBean; import com.baeldung.jackson.annotation.BeanWithCreator; import com.baeldung.jackson.annotation.BeanWithCustomAnnotation; import com.baeldung.jackson.annotation.BeanWithFilter; @@ -36,6 +37,7 @@ import com.baeldung.jackson.date.EventWithSerializer; import com.baeldung.jackson.dtos.MyMixInForIgnoreType; import com.baeldung.jackson.dtos.withEnum.DistanceEnumWithValue; import com.baeldung.jackson.exception.UserWithRoot; +import com.baeldung.jackson.exception.UserWithRootNamespace; import com.baeldung.jackson.jsonview.Item; import com.baeldung.jackson.jsonview.Views; import com.fasterxml.jackson.core.JsonProcessingException; @@ -46,6 +48,7 @@ import com.fasterxml.jackson.databind.SerializationFeature; import com.fasterxml.jackson.databind.ser.FilterProvider; import com.fasterxml.jackson.databind.ser.impl.SimpleBeanPropertyFilter; import com.fasterxml.jackson.databind.ser.impl.SimpleFilterProvider; +import com.fasterxml.jackson.dataformat.xml.XmlMapper; public class JacksonAnnotationUnitTest { @@ -372,5 +375,45 @@ public class JacksonAnnotationUnitTest { assertThat(result, containsString("1")); assertThat(result, containsString("name")); } + + @Test + public void whenDeserializingUsingJsonAlias_thenCorrect() throws IOException { + + // arrange + String json = "{\"fName\": \"John\", \"lastName\": \"Green\"}"; + + // act + AliasBean aliasBean = new ObjectMapper().readerFor(AliasBean.class).readValue(json); + + // assert + assertThat(aliasBean.getFirstName(), is("John")); + } + + @Test + public void whenSerializingUsingXMLRootNameWithNameSpace_thenCorrect() throws JsonProcessingException { + + // arrange + UserWithRootNamespace author = new UserWithRootNamespace(1, "John"); + + // act + ObjectMapper mapper = new XmlMapper(); + mapper = mapper.enable(SerializationFeature.WRAP_ROOT_VALUE).enable(SerializationFeature.INDENT_OUTPUT); + String result = mapper.writeValueAsString(author); + + // assert + assertThat(result, containsString("")); + + /* + + 3006b44a-cf62-4cfe-b3d8-30dc6c46ea96 + 1 + John + + + */ + + } + + } diff --git a/jackson/src/test/java/com/baeldung/jackson/test/JacksonDateUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/test/JacksonDateUnitTest.java index 390030d0d4..672ff5c6fd 100644 --- a/jackson/src/test/java/com/baeldung/jackson/test/JacksonDateUnitTest.java +++ b/jackson/src/test/java/com/baeldung/jackson/test/JacksonDateUnitTest.java @@ -11,7 +11,6 @@ import java.time.LocalDateTime; import java.util.Date; import java.util.TimeZone; -import com.fasterxml.jackson.databind.util.ISO8601DateFormat; import org.joda.time.DateTime; import org.joda.time.DateTimeZone; import org.junit.Test; @@ -24,8 +23,9 @@ import com.baeldung.jackson.date.EventWithSerializer; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.SerializationFeature; +import com.fasterxml.jackson.databind.util.StdDateFormat; import com.fasterxml.jackson.datatype.joda.JodaModule; -import com.fasterxml.jackson.datatype.jsr310.JSR310Module; +import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule; public class JacksonDateUnitTest { @@ -54,10 +54,12 @@ public class JacksonDateUnitTest { final ObjectMapper mapper = new ObjectMapper(); mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS); - mapper.setDateFormat(new ISO8601DateFormat()); + + // StdDateFormat is ISO8601 since jackson 2.9 + mapper.setDateFormat(new StdDateFormat().withColonInTimeZone(true)); final String result = mapper.writeValueAsString(event); - assertThat(result, containsString("1970-01-01T02:30:00Z")); + assertThat(result, containsString("1970-01-01T02:30:00.000+00:00")); } @Test @@ -152,7 +154,7 @@ public class JacksonDateUnitTest { final LocalDateTime date = LocalDateTime.of(2014, 12, 20, 2, 30); final ObjectMapper mapper = new ObjectMapper(); - mapper.registerModule(new JSR310Module()); + mapper.registerModule(new JavaTimeModule()); mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS); final String result = mapper.writeValueAsString(date); diff --git a/jackson/src/test/java/com/baeldung/jackson/xml/XMLSerializeDeserializeUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/xml/XMLSerializeDeserializeUnitTest.java index 0e2a52e75c..1d430e9758 100644 --- a/jackson/src/test/java/com/baeldung/jackson/xml/XMLSerializeDeserializeUnitTest.java +++ b/jackson/src/test/java/com/baeldung/jackson/xml/XMLSerializeDeserializeUnitTest.java @@ -2,19 +2,25 @@ package com.baeldung.jackson.xml; import static org.junit.Assert.assertNotNull; import static org.junit.Assert.assertTrue; +import static org.junit.jupiter.api.Assertions.assertEquals; import java.io.BufferedReader; +import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; +import java.util.ArrayList; +import java.util.List; import org.junit.Test; +import com.baeldung.jackson.dtos.Address; +import com.baeldung.jackson.dtos.Person; +import com.fasterxml.jackson.annotation.JsonProperty; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.dataformat.xml.XmlMapper; -import com.fasterxml.jackson.annotation.JsonProperty; public class XMLSerializeDeserializeUnitTest { @@ -49,24 +55,76 @@ public class XMLSerializeDeserializeUnitTest { assertTrue(value.getX() == 1 && value.getY() == 2); } - @Test + @Test public void whenJavaGotFromXmlStrWithCapitalElem_thenCorrect() throws IOException { XmlMapper xmlMapper = new XmlMapper(); - SimpleBeanForCapitalizedFields value = xmlMapper. - readValue("12", - SimpleBeanForCapitalizedFields.class); + SimpleBeanForCapitalizedFields value = xmlMapper.readValue("12", SimpleBeanForCapitalizedFields.class); assertTrue(value.getX() == 1 && value.getY() == 2); } @Test public void whenJavaSerializedToXmlFileWithCapitalizedField_thenCorrect() throws IOException { XmlMapper xmlMapper = new XmlMapper(); - xmlMapper.writeValue(new File("target/simple_bean_capitalized.xml"), - new SimpleBeanForCapitalizedFields()); + xmlMapper.writeValue(new File("target/simple_bean_capitalized.xml"), new SimpleBeanForCapitalizedFields()); File file = new File("target/simple_bean_capitalized.xml"); assertNotNull(file); } + @Test + public void whenJavaDeserializedFromXmlFile_thenCorrect() throws IOException { + XmlMapper xmlMapper = new XmlMapper(); + + String xml = "RohanDaye99110347319911033478
1Name1City1
2Name2City2
"; + Person value = xmlMapper.readValue(xml, Person.class); + + assertTrue(value.getAddress() + .get(0) + .getCity() + .equalsIgnoreCase("city1") + && value.getAddress() + .get(1) + .getCity() + .equalsIgnoreCase("city2")); + } + + @Test + public void whenJavaSerializedToXmlFile_thenSuccess() throws IOException { + XmlMapper xmlMapper = new XmlMapper(); + + String expectedXml = "RohanDaye99110347319911033478
1Name1City1
2Name2City2
"; + + Person person = new Person(); + + person.setFirstName("Rohan"); + person.setLastName("Daye"); + + List ph = new ArrayList<>(); + ph.add("9911034731"); + ph.add("9911033478"); + person.setPhoneNumbers(ph); + + List
addresses = new ArrayList<>(); + + Address address1 = new Address(); + address1.setStreetNumber("1"); + address1.setStreetName("Name1"); + address1.setCity("City1"); + + Address address2 = new Address(); + address2.setStreetNumber("2"); + address2.setStreetName("Name2"); + address2.setCity("City2"); + + addresses.add(address1); + addresses.add(address2); + + person.setAddress(addresses); + + ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); + xmlMapper.writeValue(byteArrayOutputStream, person); + assertEquals(expectedXml, byteArrayOutputStream.toString()); + } + private static String inputStreamToString(InputStream is) throws IOException { BufferedReader br; StringBuilder sb = new StringBuilder(); @@ -103,10 +161,10 @@ class SimpleBean { } -class SimpleBeanForCapitalizedFields { - @JsonProperty("X") - private int x = 1; - private int y = 2; +class SimpleBeanForCapitalizedFields { + @JsonProperty("X") + private int x = 1; + private int y = 2; public int getX() { return x; diff --git a/java-collections-conversions/README.md b/java-collections-conversions/README.md index 0f89e07d63..31fead3c42 100644 --- a/java-collections-conversions/README.md +++ b/java-collections-conversions/README.md @@ -10,3 +10,4 @@ - [Converting a List to String in Java](http://www.baeldung.com/java-list-to-string) - [How to Convert List to Map in Java](http://www.baeldung.com/java-list-to-map) - [Array to String Conversions](https://www.baeldung.com/java-array-to-string) +- [Converting a Collection to ArrayList in Java](https://www.baeldung.com/java-convert-collection-arraylist) \ No newline at end of file diff --git a/java-collections-conversions/pom.xml b/java-collections-conversions/pom.xml index 9b54652001..ee7221b25e 100644 --- a/java-collections-conversions/pom.xml +++ b/java-collections-conversions/pom.xml @@ -3,8 +3,8 @@ 4.0.0 java-collections-conversions 0.1.0-SNAPSHOT - jar java-collections-conversions + jar com.baeldung diff --git a/java-collections-maps/README.md b/java-collections-maps/README.md index a6037a3c57..2eeb2c8843 100644 --- a/java-collections-maps/README.md +++ b/java-collections-maps/README.md @@ -17,3 +17,7 @@ - [Finding the Highest Value in a Java Map](https://www.baeldung.com/java-find-map-max) - [Merging Two Maps with Java 8](https://www.baeldung.com/java-merge-maps) - [How to Check If a Key Exists in a Map](https://www.baeldung.com/java-map-key-exists) +- [Comparing Two HashMaps in Java](https://www.baeldung.com/java-compare-hashmaps) +- [Immutable Map Implementations in Java](https://www.baeldung.com/java-immutable-maps) +- [Map to String Conversion in Java](https://www.baeldung.com/java-map-to-string-conversion) +- [Guide to Apache Commons MultiValuedMap](https://www.baeldung.com/apache-commons-multi-valued-map) diff --git a/java-collections-maps/pom.xml b/java-collections-maps/pom.xml index 0803866c51..b5eba31437 100644 --- a/java-collections-maps/pom.xml +++ b/java-collections-maps/pom.xml @@ -3,8 +3,8 @@ 4.0.0 java-collections-maps 0.1.0-SNAPSHOT - jar java-collections-maps + jar com.baeldung @@ -39,7 +39,7 @@ one.util streamex - 0.6.5 + ${streamex.version} @@ -50,5 +50,6 @@ 1.7.0 3.6.1 7.1.0 + 0.6.5 diff --git a/java-collections-maps/src/main/java/com/baeldung/convert/MapToString.java b/java-collections-maps/src/main/java/com/baeldung/convert/MapToString.java new file mode 100644 index 0000000000..aca0d05ef1 --- /dev/null +++ b/java-collections-maps/src/main/java/com/baeldung/convert/MapToString.java @@ -0,0 +1,34 @@ +package com.baeldung.convert; + +import com.google.common.base.Joiner; +import org.apache.commons.lang3.StringUtils; + +import java.util.Map; +import java.util.stream.Collectors; + +public class MapToString { + + public static String convertWithIteration(Map map) { + StringBuilder mapAsString = new StringBuilder("{"); + for (Integer key : map.keySet()) { + mapAsString.append(key + "=" + map.get(key) + ", "); + } + mapAsString.delete(mapAsString.length()-2, mapAsString.length()).append("}"); + return mapAsString.toString(); + } + + public static String convertWithStream(Map map) { + String mapAsString = map.keySet().stream() + .map(key -> key + "=" + map.get(key)) + .collect(Collectors.joining(", ", "{", "}")); + return mapAsString; + } + + public static String convertWithGuava(Map map) { + return Joiner.on(",").withKeyValueSeparator("=").join(map); + } + + public static String convertWithApache(Map map) { + return StringUtils.join(map); + } +} diff --git a/java-collections-maps/src/main/java/com/baeldung/convert/StringToMap.java b/java-collections-maps/src/main/java/com/baeldung/convert/StringToMap.java new file mode 100644 index 0000000000..caabca4a09 --- /dev/null +++ b/java-collections-maps/src/main/java/com/baeldung/convert/StringToMap.java @@ -0,0 +1,21 @@ +package com.baeldung.convert; + +import com.google.common.base.Splitter; + +import java.util.Arrays; +import java.util.Map; +import java.util.stream.Collectors; + +public class StringToMap { + + public static Map convertWithStream(String mapAsString) { + Map map = Arrays.stream(mapAsString.split(",")) + .map(entry -> entry.split("=")) + .collect(Collectors.toMap(entry -> entry[0], entry -> entry[1])); + return map; + } + + public static Map convertWithGuava(String mapAsString) { + return Splitter.on(',').withKeyValueSeparator('=').split(mapAsString); + } +} diff --git a/java-collections-maps/src/test/java/com/baeldung/convert/MapToStringUnitTest.java b/java-collections-maps/src/test/java/com/baeldung/convert/MapToStringUnitTest.java new file mode 100644 index 0000000000..d9923e74a0 --- /dev/null +++ b/java-collections-maps/src/test/java/com/baeldung/convert/MapToStringUnitTest.java @@ -0,0 +1,48 @@ +package com.baeldung.convert; + +import org.apache.commons.collections4.MapUtils; +import org.junit.Assert; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; + +import java.util.HashMap; +import java.util.Map; + +public class MapToStringUnitTest { + + private Map wordsByKey = new HashMap<>(); + + @BeforeEach + public void setup() { + wordsByKey.clear(); + wordsByKey.put(1, "one"); + wordsByKey.put(2, "two"); + wordsByKey.put(3, "three"); + wordsByKey.put(4, "four"); + } + + @Test + public void givenMap_WhenUsingIteration_ThenResultingMapIsCorrect() { + String mapAsString = MapToString.convertWithIteration(wordsByKey); + Assert.assertEquals("{1=one, 2=two, 3=three, 4=four}", mapAsString); + } + + @Test + public void givenMap_WhenUsingStream_ThenResultingMapIsCorrect() { + String mapAsString = MapToString.convertWithStream(wordsByKey); + Assert.assertEquals("{1=one, 2=two, 3=three, 4=four}", mapAsString); + } + + @Test + public void givenMap_WhenUsingGuava_ThenResultingMapIsCorrect() { + String mapAsString = MapToString.convertWithGuava(wordsByKey); + Assert.assertEquals("1=one,2=two,3=three,4=four", mapAsString); + } + + @Test + public void givenMap_WhenUsingApache_ThenResultingMapIsCorrect() { + String mapAsString = MapToString.convertWithApache(wordsByKey); + Assert.assertEquals("{1=one, 2=two, 3=three, 4=four}", mapAsString); + MapUtils.debugPrint(System.out, "Map as String", wordsByKey); + } +} \ No newline at end of file diff --git a/java-collections-maps/src/test/java/com/baeldung/convert/StringToMapUnitTest.java b/java-collections-maps/src/test/java/com/baeldung/convert/StringToMapUnitTest.java new file mode 100644 index 0000000000..8fb906efd0 --- /dev/null +++ b/java-collections-maps/src/test/java/com/baeldung/convert/StringToMapUnitTest.java @@ -0,0 +1,23 @@ +package com.baeldung.convert; + +import org.junit.Assert; +import org.junit.jupiter.api.Test; + +import java.util.Map; + +public class StringToMapUnitTest { + + @Test + public void givenString_WhenUsingStream_ThenResultingStringIsCorrect() { + Map wordsByKey = StringToMap.convertWithStream("1=one,2=two,3=three,4=four"); + Assert.assertEquals(4, wordsByKey.size()); + Assert.assertEquals("one", wordsByKey.get("1")); + } + + @Test + void givenString_WhenUsingGuava_ThenResultingStringIsCorrect() { + Map wordsByKey = StringToMap.convertWithGuava("1=one,2=two,3=three,4=four"); + Assert.assertEquals(4, wordsByKey.size()); + Assert.assertEquals("one", wordsByKey.get("1")); + } +} \ No newline at end of file diff --git a/java-collections-maps/src/test/java/com/baeldung/java/map/MultiValuedMapUnitTest.java b/java-collections-maps/src/test/java/com/baeldung/java/map/MultiValuedMapUnitTest.java new file mode 100644 index 0000000000..b3aaf8925f --- /dev/null +++ b/java-collections-maps/src/test/java/com/baeldung/java/map/MultiValuedMapUnitTest.java @@ -0,0 +1,227 @@ +package com.baeldung.java.map; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.junit.Assert.assertTrue; +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertFalse; + +import java.util.Arrays; +import java.util.Collection; +import java.util.Map; +import java.util.Map.Entry; +import java.util.Set; + +import org.apache.commons.collections4.MultiMapUtils; +import org.apache.commons.collections4.MultiSet; +import org.apache.commons.collections4.MultiValuedMap; +import org.apache.commons.collections4.multimap.ArrayListValuedHashMap; +import org.apache.commons.collections4.multimap.HashSetValuedHashMap; +import org.junit.Test; + +public class MultiValuedMapUnitTest { + + @Test + public void givenMultiValuesMap_whenPuttingMultipleValuesUsingPutMethod_thenReturningAllValues() { + MultiValuedMap map = new ArrayListValuedHashMap<>(); + + map.put("fruits", "apple"); + map.put("fruits", "orange"); + + assertThat((Collection) map.get("fruits")).containsExactly("apple", "orange"); + + } + + @Test + public void givenMultiValuesMap_whenPuttingMultipleValuesUsingPutAllMethod_thenReturningAllValues() { + MultiValuedMap map = new ArrayListValuedHashMap<>(); + + map.putAll("vehicles", Arrays.asList("car", "bike")); + + assertThat((Collection) map.get("vehicles")).containsExactly("car", "bike"); + + } + + @Test + public void givenMultiValuesMap_whenGettingValueUsingGetMethod_thenReturningValue() { + MultiValuedMap map = new ArrayListValuedHashMap<>(); + + map.put("fruits", "apple"); + + assertThat((Collection) map.get("fruits")).containsExactly("apple"); + } + + @Test + public void givenMultiValuesMap_whenUsingEntriesMethod_thenReturningMappings() { + MultiValuedMap map = new ArrayListValuedHashMap<>(); + map.put("fruits", "apple"); + map.put("fruits", "orange"); + + Collection> entries = (Collection>) map.entries(); + + for(Map.Entry entry : entries) { + assertThat(entry.getKey()).contains("fruits"); + assertTrue(entry.getValue().equals("apple") || entry.getValue().equals("orange") ); + } + } + + @Test + public void givenMultiValuesMap_whenUsingKeysMethod_thenReturningAllKeys() { + MultiValuedMap map = new ArrayListValuedHashMap<>(); + map.put("fruits", "apple"); + map.put("fruits", "orange"); + map.put("vehicles", "car"); + map.put("vehicles", "bike"); + + MultiSet keys = map.keys(); + + assertThat((keys)).contains("fruits", "vehicles"); + + } + + @Test + public void givenMultiValuesMap_whenUsingKeySetMethod_thenReturningAllKeys() { + MultiValuedMap map = new ArrayListValuedHashMap<>(); + map.put("fruits", "apple"); + map.put("fruits", "orange"); + map.put("vehicles", "car"); + map.put("vehicles", "bike"); + + Set keys = map.keySet(); + + assertThat(keys).contains("fruits", "vehicles"); + + } + + @Test + public void givenMultiValuesMap_whenUsingValuesMethod_thenReturningAllValues() { + MultiValuedMap map = new ArrayListValuedHashMap<>(); + + map.put("fruits", "apple"); + map.put("fruits", "orange"); + map.put("vehicles", "car"); + map.put("vehicles", "bike"); + + assertThat(((Collection) map.values())).contains("apple", "orange", "car", "bike"); + } + + @Test + public void givenMultiValuesMap_whenUsingRemoveMethod_thenReturningUpdatedMap() { + MultiValuedMap map = new ArrayListValuedHashMap<>(); + + map.put("fruits", "apple"); + map.put("fruits", "orange"); + map.put("vehicles", "car"); + map.put("vehicles", "bike"); + assertThat(((Collection) map.values())).contains("apple", "orange", "car", "bike"); + + map.remove("fruits"); + + assertThat(((Collection) map.values())).contains("car", "bike"); + + } + + @Test + public void givenMultiValuesMap_whenUsingRemoveMappingMethod_thenReturningUpdatedMapAfterMappingRemoved() { + MultiValuedMap map = new ArrayListValuedHashMap<>(); + + map.put("fruits", "apple"); + map.put("fruits", "orange"); + map.put("vehicles", "car"); + map.put("vehicles", "bike"); + assertThat(((Collection) map.values())).contains("apple", "orange", "car", "bike"); + + map.removeMapping("fruits", "apple"); + + assertThat(((Collection) map.values())).contains("orange", "car", "bike"); + } + + @Test + public void givenMultiValuesMap_whenUsingClearMethod_thenReturningEmptyMap() { + MultiValuedMap map = new ArrayListValuedHashMap<>(); + map.put("fruits", "apple"); + map.put("fruits", "orange"); + map.put("vehicles", "car"); + map.put("vehicles", "bike"); + assertThat(((Collection) map.values())).contains("apple", "orange", "car", "bike"); + + map.clear(); + + assertTrue(map.isEmpty()); + } + + @Test + public void givenMultiValuesMap_whenUsingContainsKeyMethod_thenReturningTrue() { + MultiValuedMap map = new ArrayListValuedHashMap<>(); + map.put("fruits", "apple"); + map.put("fruits", "orange"); + map.put("vehicles", "car"); + map.put("vehicles", "bike"); + + assertTrue(map.containsKey("fruits")); + } + + @Test + public void givenMultiValuesMap_whenUsingContainsValueMethod_thenReturningTrue() { + MultiValuedMap map = new ArrayListValuedHashMap<>(); + map.put("fruits", "apple"); + map.put("fruits", "orange"); + map.put("vehicles", "car"); + map.put("vehicles", "bike"); + + assertTrue(map.containsValue("orange")); + } + + @Test + public void givenMultiValuesMap_whenUsingIsEmptyMethod_thenReturningFalse() { + MultiValuedMap map = new ArrayListValuedHashMap<>(); + map.put("fruits", "apple"); + map.put("fruits", "orange"); + map.put("vehicles", "car"); + map.put("vehicles", "bike"); + + assertFalse(map.isEmpty()); + } + + @Test + public void givenMultiValuesMap_whenUsingSizeMethod_thenReturningElementCount() { + MultiValuedMap map = new ArrayListValuedHashMap<>(); + map.put("fruits", "apple"); + map.put("fruits", "orange"); + map.put("vehicles", "car"); + map.put("vehicles", "bike"); + + assertEquals(4, map.size()); + } + + @Test + public void givenArrayListValuedHashMap_whenPuttingDoubleValues_thenReturningAllValues() { + MultiValuedMap map = new ArrayListValuedHashMap<>(); + map.put("fruits", "apple"); + map.put("fruits", "orange"); + map.put("fruits", "orange"); + + assertThat((Collection) map.get("fruits")).containsExactly("apple", "orange", "orange"); + } + + @Test + public void givenHashSetValuedHashMap_whenPuttingTwiceTheSame_thenReturningOneValue() { + MultiValuedMap map = new HashSetValuedHashMap<>(); + map.put("fruits", "apple"); + map.put("fruits", "apple"); + + assertThat((Collection) map.get("fruits")).containsExactly("apple"); + } + + @Test(expected = UnsupportedOperationException.class) + public void givenUnmodifiableMultiValuedMap_whenInserting_thenThrowingException() { + MultiValuedMap map = new ArrayListValuedHashMap<>(); + map.put("fruits", "apple"); + map.put("fruits", "orange"); + MultiValuedMap immutableMap = MultiMapUtils.unmodifiableMultiValuedMap(map); + + immutableMap.put("fruits", "banana"); + + } + + +} diff --git a/java-dates/README.md b/java-dates/README.md index 21e54082f4..8171e5def9 100644 --- a/java-dates/README.md +++ b/java-dates/README.md @@ -26,3 +26,6 @@ - [Format ZonedDateTime to String](https://www.baeldung.com/java-format-zoned-datetime-string) - [Convert Between java.time.Instant and java.sql.Timestamp](https://www.baeldung.com/java-time-instant-to-java-sql-timestamp) - [Convert between String and Timestamp](https://www.baeldung.com/java-string-to-timestamp) +- [A Guide to SimpleDateFormat](https://www.baeldung.com/java-simple-date-format) +- [ZoneOffset in Java](https://www.baeldung.com/java-zone-offset) +- [Differences Between ZonedDateTime and OffsetDateTime](https://www.baeldung.com/java-zoneddatetime-offsetdatetime) diff --git a/java-dates/pom.xml b/java-dates/pom.xml index 2618fad1d4..d4f690d894 100644 --- a/java-dates/pom.xml +++ b/java-dates/pom.xml @@ -4,8 +4,8 @@ com.baeldung java-dates 0.1.0-SNAPSHOT - jar java-dates + jar com.baeldung @@ -76,7 +76,6 @@ 3.5 - 1.16.12 2.10 3.6.1 diff --git a/core-java/src/main/java/com/baeldung/zoneddatetime/OffsetDateTimeExample.java b/java-dates/src/main/java/com/baeldung/zoneddatetime/OffsetDateTimeExample.java similarity index 100% rename from core-java/src/main/java/com/baeldung/zoneddatetime/OffsetDateTimeExample.java rename to java-dates/src/main/java/com/baeldung/zoneddatetime/OffsetDateTimeExample.java diff --git a/core-java/src/main/java/com/baeldung/zoneddatetime/OffsetTimeExample.java b/java-dates/src/main/java/com/baeldung/zoneddatetime/OffsetTimeExample.java similarity index 100% rename from core-java/src/main/java/com/baeldung/zoneddatetime/OffsetTimeExample.java rename to java-dates/src/main/java/com/baeldung/zoneddatetime/OffsetTimeExample.java diff --git a/core-java/src/main/java/com/baeldung/zoneddatetime/ZoneDateTimeExample.java b/java-dates/src/main/java/com/baeldung/zoneddatetime/ZoneDateTimeExample.java similarity index 100% rename from core-java/src/main/java/com/baeldung/zoneddatetime/ZoneDateTimeExample.java rename to java-dates/src/main/java/com/baeldung/zoneddatetime/ZoneDateTimeExample.java diff --git a/java-dates/src/test/java/com/baeldung/date/DateDiffUnitTest.java b/java-dates/src/test/java/com/baeldung/date/DateDiffUnitTest.java index 1234a700de..a35699e469 100644 --- a/java-dates/src/test/java/com/baeldung/date/DateDiffUnitTest.java +++ b/java-dates/src/test/java/com/baeldung/date/DateDiffUnitTest.java @@ -8,6 +8,8 @@ import java.time.Duration; import java.time.LocalDate; import java.time.LocalDateTime; import java.time.Period; +import java.time.ZoneId; +import java.time.ZonedDateTime; import java.time.temporal.ChronoUnit; import java.util.Date; import java.util.Locale; diff --git a/core-java/src/test/java/com/baeldung/simpledateformat/SimpleDateFormatUnitTest.java b/java-dates/src/test/java/com/baeldung/simpledateformat/SimpleDateFormatUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/simpledateformat/SimpleDateFormatUnitTest.java rename to java-dates/src/test/java/com/baeldung/simpledateformat/SimpleDateFormatUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/zoneddatetime/OffsetDateTimeExampleUnitTest.java b/java-dates/src/test/java/com/baeldung/zoneddatetime/OffsetDateTimeExampleUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/zoneddatetime/OffsetDateTimeExampleUnitTest.java rename to java-dates/src/test/java/com/baeldung/zoneddatetime/OffsetDateTimeExampleUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/zoneddatetime/OffsetTimeExampleUnitTest.java b/java-dates/src/test/java/com/baeldung/zoneddatetime/OffsetTimeExampleUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/zoneddatetime/OffsetTimeExampleUnitTest.java rename to java-dates/src/test/java/com/baeldung/zoneddatetime/OffsetTimeExampleUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/zoneddatetime/ZoneDateTimeExampleUnitTest.java b/java-dates/src/test/java/com/baeldung/zoneddatetime/ZoneDateTimeExampleUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/zoneddatetime/ZoneDateTimeExampleUnitTest.java rename to java-dates/src/test/java/com/baeldung/zoneddatetime/ZoneDateTimeExampleUnitTest.java diff --git a/java-ee-8-security-api/pom.xml b/java-ee-8-security-api/pom.xml index ad33c74ad3..0cce84e5f2 100644 --- a/java-ee-8-security-api/pom.xml +++ b/java-ee-8-security-api/pom.xml @@ -58,6 +58,13 @@ + + app-auth-basic-store-db + app-auth-form-store-ldap + app-auth-custom-form-store-custom + app-auth-custom-no-store + + 9080 9443 @@ -70,11 +77,4 @@ 3.2.2 - - app-auth-basic-store-db - app-auth-form-store-ldap - app-auth-custom-form-store-custom - app-auth-custom-no-store - - diff --git a/java-lite/pom.xml b/java-lite/pom.xml index b261e521a1..ce6e838d92 100644 --- a/java-lite/pom.xml +++ b/java-lite/pom.xml @@ -95,7 +95,6 @@ 1.15 5.1.45 1.7.0 - 2.9.7 1.15 diff --git a/java-numbers/README.md b/java-numbers/README.md index 1138d9a74c..2b1131f325 100644 --- a/java-numbers/README.md +++ b/java-numbers/README.md @@ -13,3 +13,9 @@ - [Find All Pairs of Numbers in an Array That Add Up to a Given Sum](http://www.baeldung.com/java-algorithm-number-pairs-sum) - [Java – Random Long, Float, Integer and Double](http://www.baeldung.com/java-generate-random-long-float-integer-double) - [Using Math.sin with Degrees](https://www.baeldung.com/java-math-sin-degrees) +- [A Practical Guide to DecimalFormat](http://www.baeldung.com/java-decimalformat) +- [Calculating the nth Root in Java](https://www.baeldung.com/java-nth-root) +- [Convert Double to String, Removing Decimal Places](https://www.baeldung.com/java-double-to-string) +- [Changing the Order in a Sum Operation Can Produce Different Results?](https://www.baeldung.com/java-floating-point-sum-order) +- [Calculate the Area of a Circle in Java](https://www.baeldung.com/java-calculate-circle-area) +- [A Guide to the Java Math Class](https://www.baeldung.com/java-lang-math) \ No newline at end of file diff --git a/java-numbers/pom.xml b/java-numbers/pom.xml index bb63c8cfe1..eb75f85bf0 100644 --- a/java-numbers/pom.xml +++ b/java-numbers/pom.xml @@ -4,8 +4,8 @@ 4.0.0 java-numbers 0.1.0-SNAPSHOT - jar java-numbers + jar com.baeldung @@ -13,6 +13,7 @@ 0.0.1-SNAPSHOT ../parent-java + log4j @@ -72,16 +73,6 @@ - - org.apache.maven.plugins - maven-surefire-plugin - - - **/*IntegrationTest.java - - true - - org.apache.maven.plugins diff --git a/core-java/src/main/java/com/baeldung/area/circle/Circle.java b/java-numbers/src/main/java/com/baeldung/area/circle/Circle.java similarity index 100% rename from core-java/src/main/java/com/baeldung/area/circle/Circle.java rename to java-numbers/src/main/java/com/baeldung/area/circle/Circle.java diff --git a/core-java/src/main/java/com/baeldung/area/circle/CircleArea.java b/java-numbers/src/main/java/com/baeldung/area/circle/CircleArea.java similarity index 100% rename from core-java/src/main/java/com/baeldung/area/circle/CircleArea.java rename to java-numbers/src/main/java/com/baeldung/area/circle/CircleArea.java diff --git a/core-java/src/main/java/com/baeldung/nth/root/calculator/NthRootCalculator.java b/java-numbers/src/main/java/com/baeldung/nth/root/calculator/NthRootCalculator.java similarity index 100% rename from core-java/src/main/java/com/baeldung/nth/root/calculator/NthRootCalculator.java rename to java-numbers/src/main/java/com/baeldung/nth/root/calculator/NthRootCalculator.java diff --git a/core-java/src/main/java/com/baeldung/nth/root/main/Main.java b/java-numbers/src/main/java/com/baeldung/nth/root/main/Main.java similarity index 100% rename from core-java/src/main/java/com/baeldung/nth/root/main/Main.java rename to java-numbers/src/main/java/com/baeldung/nth/root/main/Main.java diff --git a/core-java/src/main/java/com/baeldung/string/DoubleToString.java b/java-numbers/src/main/java/com/baeldung/string/DoubleToString.java similarity index 99% rename from core-java/src/main/java/com/baeldung/string/DoubleToString.java rename to java-numbers/src/main/java/com/baeldung/string/DoubleToString.java index d26d26f3df..dd55ba51ad 100644 --- a/core-java/src/main/java/com/baeldung/string/DoubleToString.java +++ b/java-numbers/src/main/java/com/baeldung/string/DoubleToString.java @@ -38,4 +38,5 @@ public class DoubleToString { return df.format(d); } + } diff --git a/core-java/src/test/java/com/baeldung/decimalformat/DecimalFormatExamplesUnitTest.java b/java-numbers/src/test/java/com/baeldung/decimalformat/DecimalFormatExamplesUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/decimalformat/DecimalFormatExamplesUnitTest.java rename to java-numbers/src/test/java/com/baeldung/decimalformat/DecimalFormatExamplesUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/java/math/MathUnitTest.java b/java-numbers/src/test/java/com/baeldung/java/math/MathUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/java/math/MathUnitTest.java rename to java-numbers/src/test/java/com/baeldung/java/math/MathUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/nth/root/calculator/NthRootCalculatorUnitTest.java b/java-numbers/src/test/java/com/baeldung/nth/root/calculator/NthRootCalculatorUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/nth/root/calculator/NthRootCalculatorUnitTest.java rename to java-numbers/src/test/java/com/baeldung/nth/root/calculator/NthRootCalculatorUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/nth/root/main/MainUnitTest.java b/java-numbers/src/test/java/com/baeldung/nth/root/main/MainUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/nth/root/main/MainUnitTest.java rename to java-numbers/src/test/java/com/baeldung/nth/root/main/MainUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/removingdecimals/RemovingDecimalsManualTest.java b/java-numbers/src/test/java/com/baeldung/removingdecimals/RemovingDecimalsManualTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/removingdecimals/RemovingDecimalsManualTest.java rename to java-numbers/src/test/java/com/baeldung/removingdecimals/RemovingDecimalsManualTest.java diff --git a/core-java/src/test/java/com/baeldung/removingdecimals/RemovingDecimalsUnitTest.java b/java-numbers/src/test/java/com/baeldung/removingdecimals/RemovingDecimalsUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/removingdecimals/RemovingDecimalsUnitTest.java rename to java-numbers/src/test/java/com/baeldung/removingdecimals/RemovingDecimalsUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/string/DoubleToStringUnitTest.java b/java-numbers/src/test/java/com/baeldung/string/DoubleToStringUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/string/DoubleToStringUnitTest.java rename to java-numbers/src/test/java/com/baeldung/string/DoubleToStringUnitTest.java diff --git a/java-streams-2/pom.xml b/java-streams-2/pom.xml new file mode 100644 index 0000000000..cd89a1a80f --- /dev/null +++ b/java-streams-2/pom.xml @@ -0,0 +1,39 @@ + + + 4.0.0 + com.baeldung.javastreams2 + javastreams2 + 1.0 + jar + + + org.openjdk.jmh + jmh-core + 1.21 + + + org.openjdk.jmh + jmh-generator-annprocess + 1.21 + + + junit + junit + 4.12 + test + jar + + + org.assertj + assertj-core + 3.11.1 + test + + + Stream Reduce + + UTF-8 + 1.8 + 1.8 + + \ No newline at end of file diff --git a/java-streams-2/src/main/java/com/baeldung/reduce/application/Application.java b/java-streams-2/src/main/java/com/baeldung/reduce/application/Application.java new file mode 100644 index 0000000000..79c557524d --- /dev/null +++ b/java-streams-2/src/main/java/com/baeldung/reduce/application/Application.java @@ -0,0 +1,39 @@ +package com.baeldung.reduce.application; + +import com.baeldung.reduce.entities.User; +import com.baeldung.reduce.utilities.NumberUtils; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; + +public class Application { + + public static void main(String[] args) { + List numbers = Arrays.asList(1, 2, 3, 4, 5, 6); + int result1 = numbers.stream().reduce(0, (subtotal, element) -> subtotal + element); + System.out.println(result1); + + int result2 = numbers.stream().reduce(0, Integer::sum); + System.out.println(result2); + + List letters = Arrays.asList("a", "b", "c", "d", "e"); + String result3 = letters.stream().reduce("", (partialString, element) -> partialString + element); + System.out.println(result3); + + String result4 = letters.stream().reduce("", String::concat); + System.out.println(result4); + + String result5 = letters.stream().reduce("", (partialString, element) -> partialString.toUpperCase() + element.toUpperCase()); + System.out.println(result5); + + List users = Arrays.asList(new User("John", 30), new User("Julie", 35)); + int result6 = users.stream().reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum); + System.out.println(result6); + + String result7 = letters.parallelStream().reduce("", String::concat); + System.out.println(result7); + + int result8 = users.parallelStream().reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum); + System.out.println(result8); + } +} diff --git a/java-streams-2/src/main/java/com/baeldung/reduce/benchmarks/JMHStreamReduceBenchMark.java b/java-streams-2/src/main/java/com/baeldung/reduce/benchmarks/JMHStreamReduceBenchMark.java new file mode 100644 index 0000000000..af4a9276a9 --- /dev/null +++ b/java-streams-2/src/main/java/com/baeldung/reduce/benchmarks/JMHStreamReduceBenchMark.java @@ -0,0 +1,52 @@ +package com.baeldung.reduce.benchmarks; + +import com.baeldung.reduce.entities.User; +import java.util.ArrayList; +import java.util.List; +import org.openjdk.jmh.annotations.Benchmark; +import org.openjdk.jmh.annotations.BenchmarkMode; +import org.openjdk.jmh.annotations.Mode; +import org.openjdk.jmh.annotations.Scope; +import org.openjdk.jmh.annotations.State; +import org.openjdk.jmh.runner.Runner; +import org.openjdk.jmh.runner.RunnerException; +import org.openjdk.jmh.runner.options.Options; +import org.openjdk.jmh.runner.options.OptionsBuilder; + +@State(Scope.Thread) +@BenchmarkMode(Mode.AverageTime) +public class JMHStreamReduceBenchMark { + + private final List userList = createUsers(); + + public static void main(String[] args) throws RunnerException { + + Options options = new OptionsBuilder() + .include(JMHStreamReduceBenchMark.class.getSimpleName()).threads(1) + .forks(1).shouldFailOnError(true).shouldDoGC(true) + .jvmArgs("-server").build(); + new Runner(options).run(); + } + + private List createUsers() { + List users = new ArrayList<>(); + for (int i = 0; i <= 1000000; i++) { + users.add(new User("John" + i, i)); + } + return users; + } + + @Benchmark + public Integer executeReduceOnParallelizedStream() { + return this.userList + .parallelStream() + .reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum); + } + + @Benchmark + public Integer executeReduceOnSequentialStream() { + return this.userList + .stream() + .reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum); + } +} diff --git a/java-streams-2/src/main/java/com/baeldung/reduce/entities/User.java b/java-streams-2/src/main/java/com/baeldung/reduce/entities/User.java new file mode 100644 index 0000000000..a17c6a02b6 --- /dev/null +++ b/java-streams-2/src/main/java/com/baeldung/reduce/entities/User.java @@ -0,0 +1,25 @@ +package com.baeldung.reduce.entities; + +public class User { + + private final String name; + private final int age; + + public User(String name, int age) { + this.name = name; + this.age = age; + } + + public String getName() { + return name; + } + + public int getAge() { + return age; + } + + @Override + public String toString() { + return "User{" + "name=" + name + ", age=" + age + '}'; + } +} diff --git a/java-streams-2/src/main/java/com/baeldung/reduce/utilities/NumberUtils.java b/java-streams-2/src/main/java/com/baeldung/reduce/utilities/NumberUtils.java new file mode 100644 index 0000000000..a7a4b8df29 --- /dev/null +++ b/java-streams-2/src/main/java/com/baeldung/reduce/utilities/NumberUtils.java @@ -0,0 +1,52 @@ +package com.baeldung.reduce.utilities; + +import java.util.List; +import java.util.function.BiFunction; +import java.util.logging.Level; +import java.util.logging.Logger; + +public abstract class NumberUtils { + + private static final Logger LOGGER = Logger.getLogger(NumberUtils.class.getName()); + + public static int divideListElements(List values, Integer divider) { + return values.stream() + .reduce(0, (a, b) -> { + try { + return a / divider + b / divider; + } catch (ArithmeticException e) { + LOGGER.log(Level.INFO, "Arithmetic Exception: Division by Zero"); + } + return 0; + }); + } + + public static int divideListElementsWithExtractedTryCatchBlock(List values, int divider) { + return values.stream().reduce(0, (a, b) -> divide(a, divider) + divide(b, divider)); + } + + public static int divideListElementsWithApplyFunctionMethod(List values, int divider) { + BiFunction division = (a, b) -> a / b; + return values.stream().reduce(0, (a, b) -> applyFunction(division, a, divider) + applyFunction(division, b, divider)); + } + + private static int divide(int value, int factor) { + int result = 0; + try { + result = value / factor; + } catch (ArithmeticException e) { + LOGGER.log(Level.INFO, "Arithmetic Exception: Division by Zero"); + } + return result; + } + + private static int applyFunction(BiFunction function, int a, int b) { + try { + return function.apply(a, b); + } + catch(Exception e) { + LOGGER.log(Level.INFO, "Exception thrown!"); + } + return 0; + } +} diff --git a/java-streams-2/src/test/java/com/baeldung/reduce/tests/StreamReduceUnitTest.java b/java-streams-2/src/test/java/com/baeldung/reduce/tests/StreamReduceUnitTest.java new file mode 100644 index 0000000000..564d614017 --- /dev/null +++ b/java-streams-2/src/test/java/com/baeldung/reduce/tests/StreamReduceUnitTest.java @@ -0,0 +1,79 @@ +package com.baeldung.reduce.tests; + +import com.baeldung.reduce.entities.User; +import com.baeldung.reduce.utilities.NumberUtils; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; +import static org.assertj.core.api.Assertions.assertThat; +import org.junit.Test; + +public class StreamReduceUnitTest { + + @Test + public void givenIntegerList_whenReduceWithSumAccumulatorLambda_thenCorrect() { + List numbers = Arrays.asList(1, 2, 3, 4, 5, 6); + int result = numbers.stream().reduce(0, (subtotal, element) -> subtotal + element); + assertThat(result).isEqualTo(21); + } + + @Test + public void givenIntegerList_whenReduceWithSumAccumulatorMethodReference_thenCorrect() { + List numbers = Arrays.asList(1, 2, 3, 4, 5, 6); + int result = numbers.stream().reduce(0, Integer::sum); + assertThat(result).isEqualTo(21); + } + + @Test + public void givenStringList_whenReduceWithConcatenatorAccumulatorLambda_thenCorrect() { + List letters = Arrays.asList("a", "b", "c", "d", "e"); + String result = letters.stream().reduce("", (partialString, element) -> partialString + element); + assertThat(result).isEqualTo("abcde"); + } + + @Test + public void givenStringList_whenReduceWithConcatenatorAccumulatorMethodReference_thenCorrect() { + List letters = Arrays.asList("a", "b", "c", "d", "e"); + String result = letters.stream().reduce("", String::concat); + assertThat(result).isEqualTo("abcde"); + } + + @Test + public void givenStringList_whenReduceWithUppercaseConcatenatorAccumulator_thenCorrect() { + List letters = Arrays.asList("a", "b", "c", "d", "e"); + String result = letters.stream().reduce("", (partialString, element) -> partialString.toUpperCase() + element.toUpperCase()); + assertThat(result).isEqualTo("ABCDE"); + } + + @Test + public void givenUserList_whenReduceWithAgeAccumulatorAndSumCombiner_thenCorrect() { + List users = Arrays.asList(new User("John", 30), new User("Julie", 35)); + int result = users.stream().reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum); + assertThat(result).isEqualTo(65); + } + + @Test + public void givenStringList_whenReduceWithParallelStream_thenCorrect() { + List letters = Arrays.asList("a", "b", "c", "d", "e"); + String result = letters.parallelStream().reduce("", String::concat); + assertThat(result).isEqualTo("abcde"); + } + + @Test + public void givenNumberUtilsClass_whenCalledDivideListElements_thenCorrect() { + List numbers = Arrays.asList(1, 2, 3, 4, 5, 6); + assertThat(NumberUtils.divideListElements(numbers, 1)).isEqualTo(21); + } + + @Test + public void givenNumberUtilsClass_whenCalledDivideListElementsWithExtractedTryCatchBlock_thenCorrect() { + List numbers = Arrays.asList(1, 2, 3, 4, 5, 6); + assertThat(NumberUtils.divideListElementsWithExtractedTryCatchBlock(numbers, 1)).isEqualTo(21); + } + + @Test + public void givenStream_whneCalleddivideListElementsWithApplyFunctionMethod_thenCorrect() { + List numbers = Arrays.asList(1, 2, 3, 4, 5, 6); + assertThat(NumberUtils.divideListElementsWithApplyFunctionMethod(numbers, 1)).isEqualTo(21); + } +} diff --git a/java-streams/README.md b/java-streams/README.md index 2550f08650..b931c0d7d9 100644 --- a/java-streams/README.md +++ b/java-streams/README.md @@ -3,7 +3,7 @@ ## Java Streams Cookbooks and Examples ### Relevant Articles: -- [Java 8 Streams Advanced](http://www.baeldung.com/java-8-streams) +- [The Java 8 Stream API Tutorial](http://www.baeldung.com/java-8-streams) - [Introduction to Java 8 Streams](http://www.baeldung.com/java-8-streams-introduction) - [Java 8 and Infinite Streams](http://www.baeldung.com/java-inifinite-streams) - [Java 8 Stream findFirst() vs. findAny()](http://www.baeldung.com/java-stream-findfirst-vs-findany) @@ -14,3 +14,6 @@ - [Primitive Type Streams in Java 8](http://www.baeldung.com/java-8-primitive-streams) - [Stream Ordering in Java](https://www.baeldung.com/java-stream-ordering) - [Introduction to Protonpack](https://www.baeldung.com/java-protonpack) +- [Java Stream Filter with Lambda Expression](https://www.baeldung.com/java-stream-filter-lambda) +- [Counting Matches on a Stream Filter](https://www.baeldung.com/java-stream-filter-count) +- [Java 8 Streams peek() API](https://www.baeldung.com/java-streams-peek-api) diff --git a/java-streams/pom.xml b/java-streams/pom.xml index 2b52ebb4b3..00384eeead 100644 --- a/java-streams/pom.xml +++ b/java-streams/pom.xml @@ -3,8 +3,8 @@ 4.0.0 java-streams 0.1.0-SNAPSHOT - jar java-streams + jar com.baeldung @@ -94,10 +94,10 @@ org.apache.maven.plugins maven-compiler-plugin - 3.1 + ${maven-compiler-plugin.version} - 1.8 - 1.8 + ${maven.compiler.source} + ${maven.compiler.target} -parameters @@ -108,7 +108,6 @@ 1.21 3.5 - 1.16.12 0.9.0 1.15 0.6.5 @@ -117,5 +116,8 @@ 3.11.1 1.8.9 + 3.1 + 1.8 + 1.8 diff --git a/java-streams/src/main/java/com/baeldung/reduce/application/Application.java b/java-streams/src/main/java/com/baeldung/reduce/application/Application.java new file mode 100644 index 0000000000..b101c86780 --- /dev/null +++ b/java-streams/src/main/java/com/baeldung/reduce/application/Application.java @@ -0,0 +1,70 @@ +package com.baeldung.reduce.application; + +import com.baeldung.reduce.entities.User; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; +import org.openjdk.jmh.annotations.Benchmark; +import org.openjdk.jmh.annotations.BenchmarkMode; +import org.openjdk.jmh.annotations.Fork; +import org.openjdk.jmh.annotations.Mode; +import org.openjdk.jmh.annotations.Warmup; + +public class Application { + + public static void main(String[] args) throws Exception { + List numbers = Arrays.asList(1, 2, 3, 4, 5, 6); + int result1 = numbers.stream().reduce(0, (subtotal, element) -> subtotal + element); + System.out.println(result1); + + int result2 = numbers.stream().reduce(0, Integer::sum); + System.out.println(result2); + + List letters = Arrays.asList("a", "b", "c", "d", "e"); + String result3 = letters.stream().reduce("", (partialString, element) -> partialString + element); + System.out.println(result3); + + String result4 = letters.stream().reduce("", String::concat); + System.out.println(result4); + + String result5 = letters.stream().reduce("", (partialString, element) -> partialString.toUpperCase() + element.toUpperCase()); + System.out.println(result5); + + List users = Arrays.asList(new User("John", 30), new User("Julie", 35)); + int result6 = users.stream().reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum); + System.out.println(result6); + + String result7 = letters.parallelStream().reduce("", String::concat); + System.out.println(result7); + + int result8 = users.parallelStream().reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum); + System.out.println(result8); + + org.openjdk.jmh.Main.main(args); + + } + + @Benchmark + @Fork(value = 1, warmups = 2) + @Warmup(iterations = 2) + @BenchmarkMode(Mode.AverageTime) + public void executeReduceOnParallelizedStream() { + List userList = new ArrayList<>(); + for (int i = 0; i <= 1000000; i++) { + userList.add(new User("John" + i, i)); + } + userList.parallelStream().reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum); + } + + @Benchmark + @Fork(value = 1, warmups = 2) + @Warmup(iterations = 2) + @BenchmarkMode(Mode.AverageTime) + public void executeReduceOnSequentialStream() { + List userList = new ArrayList<>(); + for (int i = 0; i <= 1000000; i++) { + userList.add(new User("John" + i, i)); + } + userList.stream().reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum); + } +} diff --git a/java-streams/src/main/java/com/baeldung/reduce/entities/User.java b/java-streams/src/main/java/com/baeldung/reduce/entities/User.java new file mode 100644 index 0000000000..a17c6a02b6 --- /dev/null +++ b/java-streams/src/main/java/com/baeldung/reduce/entities/User.java @@ -0,0 +1,25 @@ +package com.baeldung.reduce.entities; + +public class User { + + private final String name; + private final int age; + + public User(String name, int age) { + this.name = name; + this.age = age; + } + + public String getName() { + return name; + } + + public int getAge() { + return age; + } + + @Override + public String toString() { + return "User{" + "name=" + name + ", age=" + age + '}'; + } +} diff --git a/java-streams/src/main/java/com/baeldung/reduce/utilities/NumberUtils.java b/java-streams/src/main/java/com/baeldung/reduce/utilities/NumberUtils.java new file mode 100644 index 0000000000..8b4af2cbe2 --- /dev/null +++ b/java-streams/src/main/java/com/baeldung/reduce/utilities/NumberUtils.java @@ -0,0 +1,52 @@ +package com.baeldung.reduce.utilities; + +import java.util.List; +import java.util.function.BiFunction; +import java.util.logging.Level; +import java.util.logging.Logger; + +public abstract class NumberUtils { + + private static final Logger LOGGER = Logger.getLogger(NumberUtils.class.getName()); + + public static int divideListElements(List values, Integer divider) { + return values.stream() + .reduce(0, (a, b) -> { + try { + return a / divider + b / divider; + } catch (ArithmeticException e) { + LOGGER.log(Level.INFO, "Arithmetic Exception: Division by Zero"); + } + return 0; + }); + } + + public static int divideListElementsWithExtractedTryCatchBlock(List values, int divider) { + return values.stream().reduce(0, (a, b) -> divide(a, divider) + divide(b, divider)); + } + + public static int divideListElementsWithApplyFunctionMethod(List values, int divider) { + BiFunction division = (a, b) -> a / b; + return values.stream().reduce(0, (a, b) -> applyFunction(division, a, divider) + applyFunction(division, b, divider)); + } + + private static int divide(int value, int factor) { + int result = 0; + try { + result = value / factor; + } catch (ArithmeticException e) { + LOGGER.log(Level.INFO, "Arithmetic Exception: Division by Zero"); + } + return result; + } + + private static int applyFunction(BiFunction function, int a, int b) { + try { + return function.apply(a, b); + } + catch(Exception e) { + LOGGER.log(Level.INFO, "Exception occurred!"); + } + return 0; + } +} diff --git a/java-streams/src/main/java/com/baeldung/stream/filter/Customer.java b/java-streams/src/main/java/com/baeldung/stream/filter/Customer.java index 49da6e7175..fd4f6021ff 100644 --- a/java-streams/src/main/java/com/baeldung/stream/filter/Customer.java +++ b/java-streams/src/main/java/com/baeldung/stream/filter/Customer.java @@ -32,7 +32,7 @@ public class Customer { return this.points > points; } - public boolean hasOverThousandPoints() { + public boolean hasOverHundredPoints() { return this.points > 100; } diff --git a/java-streams/src/main/java/com/baeldung/stream/sum/ArithmeticUtils.java b/java-streams/src/main/java/com/baeldung/stream/sum/ArithmeticUtils.java new file mode 100644 index 0000000000..3170b1fb31 --- /dev/null +++ b/java-streams/src/main/java/com/baeldung/stream/sum/ArithmeticUtils.java @@ -0,0 +1,8 @@ +package com.baeldung.stream.sum; + +public class ArithmeticUtils { + + public static int add(int a, int b) { + return a + b; + } +} diff --git a/java-streams/src/main/java/com/baeldung/stream/sum/Item.java b/java-streams/src/main/java/com/baeldung/stream/sum/Item.java new file mode 100644 index 0000000000..2f162d6eda --- /dev/null +++ b/java-streams/src/main/java/com/baeldung/stream/sum/Item.java @@ -0,0 +1,31 @@ +package com.baeldung.stream.sum; + +public class Item { + + private int id; + private Integer price; + + public Item(int id, Integer price) { + super(); + this.id = id; + this.price = price; + } + + // Standard getters and setters + public long getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } + + public Integer getPrice() { + return price; + } + + public void setPrice(Integer price) { + this.price = price; + } + +} diff --git a/java-streams/src/main/java/com/baeldung/stream/sum/StreamSumCalculator.java b/java-streams/src/main/java/com/baeldung/stream/sum/StreamSumCalculator.java new file mode 100644 index 0000000000..2f63cf8629 --- /dev/null +++ b/java-streams/src/main/java/com/baeldung/stream/sum/StreamSumCalculator.java @@ -0,0 +1,59 @@ +package com.baeldung.stream.sum; + +import java.util.Arrays; +import java.util.List; +import java.util.Map; +import java.util.stream.Collectors; + +public class StreamSumCalculator { + + public static Integer getSumUsingCustomizedAccumulator(List integers) { + return integers.stream() + .reduce(0, ArithmeticUtils::add); + + } + + public static Integer getSumUsingJavaAccumulator(List integers) { + return integers.stream() + .reduce(0, Integer::sum); + + } + + public static Integer getSumUsingReduce(List integers) { + return integers.stream() + .reduce(0, (a, b) -> a + b); + + } + + public static Integer getSumUsingCollect(List integers) { + + return integers.stream() + .collect(Collectors.summingInt(Integer::intValue)); + + } + + public static Integer getSumUsingSum(List integers) { + + return integers.stream() + .mapToInt(Integer::intValue) + .sum(); + } + + public static Integer getSumOfMapValues(Map map) { + + return map.values() + .stream() + .mapToInt(Integer::valueOf) + .sum(); + } + + public static Integer getSumIntegersFromString(String str) { + + Integer sum = Arrays.stream(str.split(" ")) + .filter((s) -> s.matches("\\d+")) + .mapToInt(Integer::valueOf) + .sum(); + + return sum; + } +} diff --git a/java-streams/src/main/java/com/baeldung/stream/sum/StreamSumCalculatorWithObject.java b/java-streams/src/main/java/com/baeldung/stream/sum/StreamSumCalculatorWithObject.java new file mode 100644 index 0000000000..b83616928e --- /dev/null +++ b/java-streams/src/main/java/com/baeldung/stream/sum/StreamSumCalculatorWithObject.java @@ -0,0 +1,38 @@ +package com.baeldung.stream.sum; + +import java.util.List; +import java.util.stream.Collectors; + +public class StreamSumCalculatorWithObject { + + public static Integer getSumUsingCustomizedAccumulator(List items) { + return items.stream() + .map(x -> x.getPrice()) + .reduce(0, ArithmeticUtils::add); + } + + public static Integer getSumUsingJavaAccumulator(List items) { + return items.stream() + .map(x -> x.getPrice()) + .reduce(0, Integer::sum); + } + + public static Integer getSumUsingReduce(List items) { + return items.stream() + .map(item -> item.getPrice()) + .reduce(0, (a, b) -> a + b); + } + + public static Integer getSumUsingCollect(List items) { + return items.stream() + .map(x -> x.getPrice()) + .collect(Collectors.summingInt(Integer::intValue)); + } + + public static Integer getSumUsingSum(List items) { + return items.stream() + .mapToInt(x -> x.getPrice()) + .sum(); + } + +} diff --git a/java-streams/src/test/java/com/baeldung/reduce/tests/StreamReduceUnitTest.java b/java-streams/src/test/java/com/baeldung/reduce/tests/StreamReduceUnitTest.java new file mode 100644 index 0000000000..8e2ff7bf22 --- /dev/null +++ b/java-streams/src/test/java/com/baeldung/reduce/tests/StreamReduceUnitTest.java @@ -0,0 +1,79 @@ +package com.baeldung.reduce.tests; + +import com.baeldung.reduce.entities.User; +import com.baeldung.reduce.utilities.NumberUtils; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; +import static org.assertj.core.api.Assertions.assertThat; +import org.junit.Test; + +public class StreamReduceUnitTest { + + @Test + public void givenIntegerList_whenReduceWithSumAccumulatorLambda_thenCorrect() { + List numbers = Arrays.asList(1, 2, 3, 4, 5, 6); + int result = numbers.stream().reduce(0, (a, b) -> a + b); + assertThat(result).isEqualTo(21); + } + + @Test + public void givenIntegerList_whenReduceWithSumAccumulatorMethodReference_thenCorrect() { + List numbers = Arrays.asList(1, 2, 3, 4, 5, 6); + int result = numbers.stream().reduce(0, Integer::sum); + assertThat(result).isEqualTo(21); + } + + @Test + public void givenStringList_whenReduceWithConcatenatorAccumulatorLambda_thenCorrect() { + List letters = Arrays.asList("a", "b", "c", "d", "e"); + String result = letters.stream().reduce("", (a, b) -> a + b); + assertThat(result).isEqualTo("abcde"); + } + + @Test + public void givenStringList_whenReduceWithConcatenatorAccumulatorMethodReference_thenCorrect() { + List letters = Arrays.asList("a", "b", "c", "d", "e"); + String result = letters.stream().reduce("", String::concat); + assertThat(result).isEqualTo("abcde"); + } + + @Test + public void givenStringList_whenReduceWithUppercaseConcatenatorAccumulator_thenCorrect() { + List letters = Arrays.asList("a", "b", "c", "d", "e"); + String result = letters.stream().reduce("", (a, b) -> a.toUpperCase() + b.toUpperCase()); + assertThat(result).isEqualTo("ABCDE"); + } + + @Test + public void givenUserList_whenReduceWithAgeAccumulatorAndSumCombiner_thenCorrect() { + List users = Arrays.asList(new User("John", 30), new User("Julie", 35)); + int result = users.stream().reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum); + assertThat(result).isEqualTo(65); + } + + @Test + public void givenStringList_whenReduceWithParallelStream_thenCorrect() { + List letters = Arrays.asList("a", "b", "c", "d", "e"); + String result = letters.parallelStream().reduce("", String::concat); + assertThat(result).isEqualTo("abcde"); + } + + @Test + public void givenNumberUtilsClass_whenCalledDivideListElements_thenCorrect() { + List numbers = Arrays.asList(1, 2, 3, 4, 5, 6); + assertThat(NumberUtils.divideListElements(numbers, 1)).isEqualTo(21); + } + + @Test + public void givenNumberUtilsClass_whenCalledDivideListElementsWithExtractedTryCatchBlock_thenCorrect() { + List numbers = Arrays.asList(1, 2, 3, 4, 5, 6); + assertThat(NumberUtils.divideListElementsWithExtractedTryCatchBlock(numbers, 1)).isEqualTo(21); + } + + @Test + public void givenStream_whneCalleddivideListElementsWithApplyFunctionMethod_thenCorrect() { + List numbers = Arrays.asList(1, 2, 3, 4, 5, 6); + assertThat(NumberUtils.divideListElementsWithApplyFunctionMethod(numbers, 1)).isEqualTo(21); + } +} diff --git a/java-streams/src/test/java/com/baeldung/stream/PeekUnitTest.java b/java-streams/src/test/java/com/baeldung/stream/PeekUnitTest.java new file mode 100644 index 0000000000..a3a2816e9c --- /dev/null +++ b/java-streams/src/test/java/com/baeldung/stream/PeekUnitTest.java @@ -0,0 +1,118 @@ +package com.baeldung.stream; + +import static org.assertj.core.api.Assertions.assertThat; + +import java.io.StringWriter; +import java.util.stream.Collectors; +import java.util.stream.Stream; + +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; + +public class PeekUnitTest { + + private StringWriter out; + + @BeforeEach + void setup() { + out = new StringWriter(); + } + + @Test + void givenStringStream_whenCallingPeekOnly_thenNoElementProcessed() { + // given + Stream nameStream = Stream.of("Alice", "Bob", "Chuck"); + + // when + nameStream.peek(out::append); + + // then + assertThat(out.toString()).isEmpty(); + } + + @Test + void givenStringStream_whenCallingForEachOnly_thenElementsProcessed() { + // given + Stream nameStream = Stream.of("Alice", "Bob", "Chuck"); + + // when + nameStream.forEach(out::append); + + // then + assertThat(out.toString()).isEqualTo("AliceBobChuck"); + } + + @Test + void givenStringStream_whenCallingPeekAndNoopForEach_thenElementsProcessed() { + // given + Stream nameStream = Stream.of("Alice", "Bob", "Chuck"); + + // when + nameStream.peek(out::append) + .forEach(this::noop); + + // then + assertThat(out.toString()).isEqualTo("AliceBobChuck"); + } + + @Test + void givenStringStream_whenCallingPeekAndCollect_thenElementsProcessed() { + // given + Stream nameStream = Stream.of("Alice", "Bob", "Chuck"); + + // when + nameStream.peek(out::append) + .collect(Collectors.toList()); + + // then + assertThat(out.toString()).isEqualTo("AliceBobChuck"); + } + + @Test + void givenStringStream_whenCallingPeekAndForEach_thenElementsProcessedTwice() { + // given + Stream nameStream = Stream.of("Alice", "Bob", "Chuck"); + + // when + nameStream.peek(out::append) + .forEach(out::append); + + // then + assertThat(out.toString()).isEqualTo("AliceAliceBobBobChuckChuck"); + } + + @Test + void givenStringStream_whenCallingPeek_thenElementsProcessedTwice() { + // given + Stream userStream = Stream.of(new User("Alice"), new User("Bob"), new User("Chuck")); + + // when + userStream.peek(u -> u.setName(u.getName().toLowerCase())) + .map(User::getName) + .forEach(out::append); + + // then + assertThat(out.toString()).isEqualTo("alicebobchuck"); + } + + private static class User { + private String name; + + public User(String name) { + this.name = name; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + } + + private void noop(String s) { + } + +} diff --git a/java-streams/src/test/java/com/baeldung/stream/StreamMapUnitTest.java b/java-streams/src/test/java/com/baeldung/stream/StreamMapUnitTest.java new file mode 100644 index 0000000000..5cb2a274d1 --- /dev/null +++ b/java-streams/src/test/java/com/baeldung/stream/StreamMapUnitTest.java @@ -0,0 +1,83 @@ +package com.baeldung.stream; + +import org.junit.Before; +import org.junit.Test; + +import java.util.Collection; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Optional; +import java.util.Set; +import java.util.stream.Collectors; +import java.util.stream.Stream; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertTrue; + +public class StreamMapUnitTest { + + private Map books; + + @Before + public void setup() { + books = new HashMap<>(); + books.put("978-0201633610", "Design patterns : elements of reusable object-oriented software"); + books.put("978-1617291999", "Java 8 in Action: Lambdas, Streams, and functional-style programming"); + books.put("978-0134685991", "Effective Java"); + } + + + @Test + public void whenOptionalVersionCalledForExistingTitle_thenReturnOptionalWithISBN() { + Optional optionalIsbn = books.entrySet().stream() + .filter(e -> "Effective Java".equals(e.getValue())) + .map(Map.Entry::getKey).findFirst(); + + assertEquals("978-0134685991", optionalIsbn.get()); + } + + @Test + public void whenOptionalVersionCalledForNonExistingTitle_thenReturnEmptyOptionalForISBN() { + Optional optionalIsbn = books.entrySet().stream() + .filter(e -> "Non Existent Title".equals(e.getValue())) + .map(Map.Entry::getKey).findFirst(); + + assertEquals(false, optionalIsbn.isPresent()); + } + + @Test + public void whenMultipleResultsVersionCalledForExistingTitle_aCollectionWithMultipleValuesIsReturned() { + books.put("978-0321356680", "Effective Java: Second Edition"); + + List isbnCodes = books.entrySet().stream() + .filter(e -> e.getValue().startsWith("Effective Java")) + .map(Map.Entry::getKey) + .collect(Collectors.toList()); + + assertTrue(isbnCodes.contains("978-0321356680")); + assertTrue(isbnCodes.contains("978-0134685991")); + } + + @Test + public void whenMultipleResultsVersionCalledForNonExistingTitle_aCollectionWithNoValuesIsReturned() { + List isbnCodes = books.entrySet().stream() + .filter(e -> e.getValue().startsWith("Spring")) + .map(Map.Entry::getKey) + .collect(Collectors.toList()); + + assertTrue(isbnCodes.isEmpty()); + } + + @Test + public void whenKeysFollowingPatternReturnsAllValuesForThoseKeys() { + List titlesForKeyPattern = books.entrySet().stream() + .filter(e -> e.getKey().startsWith("978-0")) + .map(Map.Entry::getValue) + .collect(Collectors.toList()); + assertEquals(2, titlesForKeyPattern.size()); + assertTrue(titlesForKeyPattern.contains("Design patterns : elements of reusable object-oriented software")); + assertTrue(titlesForKeyPattern.contains("Effective Java")); + } + +} diff --git a/java-streams/src/test/java/com/baeldung/stream/filter/StreamCountUnitTest.java b/java-streams/src/test/java/com/baeldung/stream/filter/StreamCountUnitTest.java new file mode 100644 index 0000000000..742e5aedc9 --- /dev/null +++ b/java-streams/src/test/java/com/baeldung/stream/filter/StreamCountUnitTest.java @@ -0,0 +1,72 @@ +package com.baeldung.stream.filter; + +import org.junit.Test; +import org.junit.Before; + +import java.util.Arrays; +import java.util.List; + +import static org.assertj.core.api.Assertions.assertThat; + +public class StreamCountUnitTest { + + private List customers; + + @Before + public void setUp() { + Customer john = new Customer("John P.", 15, "https://images.unsplash.com/photo-1543320485-d0d5a49c2b2e"); + Customer sarah = new Customer("Sarah M.", 200); + Customer charles = new Customer("Charles B.", 150); + Customer mary = new Customer("Mary T.", 1, "https://images.unsplash.com/photo-1543297057-25167dfc180e"); + customers = Arrays.asList(john, sarah, charles, mary); + } + + @Test + public void givenListOfCustomers_whenCount_thenGetListSize() { + long count = customers + .stream() + .count(); + + assertThat(count).isEqualTo(4L); + } + + @Test + public void givenListOfCustomers_whenFilterByPointsOver100AndCount_thenGetTwo() { + long countBigCustomers = customers + .stream() + .filter(c -> c.getPoints() > 100) + .count(); + + assertThat(countBigCustomers).isEqualTo(2L); + } + + @Test + public void givenListOfCustomers_whenFilterByPointsAndNameAndCount_thenGetOne() { + long count = customers + .stream() + .filter(c -> c.getPoints() > 10 && c.getName().startsWith("Charles")) + .count(); + + assertThat(count).isEqualTo(1L); + } + + @Test + public void givenListOfCustomers_whenNoneMatchesFilterAndCount_thenGetZero() { + long count = customers + .stream() + .filter(c -> c.getPoints() > 500) + .count(); + + assertThat(count).isEqualTo(0L); + } + + @Test + public void givenListOfCustomers_whenUsingMethodOverHundredPointsAndCount_thenGetTwo() { + long count = customers + .stream() + .filter(Customer::hasOverHundredPoints) + .count(); + + assertThat(count).isEqualTo(2L); + } +} diff --git a/java-streams/src/test/java/com/baeldung/stream/filter/StreamFilterUnitTest.java b/java-streams/src/test/java/com/baeldung/stream/filter/StreamFilterUnitTest.java index cf82802940..5ad875f61e 100644 --- a/java-streams/src/test/java/com/baeldung/stream/filter/StreamFilterUnitTest.java +++ b/java-streams/src/test/java/com/baeldung/stream/filter/StreamFilterUnitTest.java @@ -62,7 +62,7 @@ public class StreamFilterUnitTest { List customersWithMoreThan100Points = customers .stream() - .filter(Customer::hasOverThousandPoints) + .filter(Customer::hasOverHundredPoints) .collect(Collectors.toList()); assertThat(customersWithMoreThan100Points).hasSize(2); @@ -81,7 +81,7 @@ public class StreamFilterUnitTest { .flatMap(c -> c .map(Stream::of) .orElseGet(Stream::empty)) - .filter(Customer::hasOverThousandPoints) + .filter(Customer::hasOverHundredPoints) .collect(Collectors.toList()); assertThat(customersWithMoreThan100Points).hasSize(2); @@ -156,4 +156,5 @@ public class StreamFilterUnitTest { }) .collect(Collectors.toList())).isInstanceOf(RuntimeException.class); } + } diff --git a/java-streams/src/test/java/com/baeldung/stream/sum/StreamSumUnitTest.java b/java-streams/src/test/java/com/baeldung/stream/sum/StreamSumUnitTest.java new file mode 100644 index 0000000000..46e1af9a4a --- /dev/null +++ b/java-streams/src/test/java/com/baeldung/stream/sum/StreamSumUnitTest.java @@ -0,0 +1,136 @@ +package com.baeldung.stream.sum; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +import java.util.Arrays; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.junit.jupiter.api.Test; + +public class StreamSumUnitTest { + + @Test + public void givenListOfIntegersWhenSummingUsingCustomizedAccumulatorThenCorrectValueReturned() { + List integers = Arrays.asList(1, 2, 3, 4, 5); + Integer sum = StreamSumCalculator.getSumUsingCustomizedAccumulator(integers); + assertEquals(15, sum.intValue()); + + } + + @Test + public void givenListOfIntegersWhenSummingUsingJavaAccumulatorThenCorrectValueReturned() { + List integers = Arrays.asList(1, 2, 3, 4, 5); + Integer sum = StreamSumCalculator.getSumUsingJavaAccumulator(integers); + assertEquals(15, sum.intValue()); + } + + @Test + public void givenListOfIntegersWhenSummingUsingReduceThenCorrectValueReturned() { + List integers = Arrays.asList(1, 2, 3, 4, 5); + Integer sum = StreamSumCalculator.getSumUsingReduce(integers); + assertEquals(15, sum.intValue()); + } + + @Test + public void givenListOfIntegersWhenSummingUsingCollectThenCorrectValueReturned() { + List integers = Arrays.asList(1, 2, 3, 4, 5); + Integer sum = StreamSumCalculator.getSumUsingCollect(integers); + assertEquals(15, sum.intValue()); + } + + @Test + public void givenListOfIntegersWhenSummingUsingSumThenCorrectValueReturned() { + List integers = Arrays.asList(1, 2, 3, 4, 5); + Integer sum = StreamSumCalculator.getSumUsingSum(integers); + assertEquals(15, sum.intValue()); + } + + @Test + public void givenListOfItemsWhenSummingUsingCustomizedAccumulatorThenCorrectValueReturned() { + Item item1 = new Item(1, 10); + Item item2 = new Item(2, 15); + Item item3 = new Item(3, 25); + Item item4 = new Item(4, 40); + + List items = Arrays.asList(item1, item2, item3, item4); + + Integer sum = StreamSumCalculatorWithObject.getSumUsingCustomizedAccumulator(items); + assertEquals(90, sum.intValue()); + + } + + @Test + public void givenListOfItemsWhenSummingUsingJavaAccumulatorThenCorrectValueReturned() { + Item item1 = new Item(1, 10); + Item item2 = new Item(2, 15); + Item item3 = new Item(3, 25); + Item item4 = new Item(4, 40); + + List items = Arrays.asList(item1, item2, item3, item4); + + Integer sum = StreamSumCalculatorWithObject.getSumUsingJavaAccumulator(items); + assertEquals(90, sum.intValue()); + } + + @Test + public void givenListOfItemsWhenSummingUsingReduceThenCorrectValueReturned() { + Item item1 = new Item(1, 10); + Item item2 = new Item(2, 15); + Item item3 = new Item(3, 25); + Item item4 = new Item(4, 40); + + List items = Arrays.asList(item1, item2, item3, item4); + + Integer sum = StreamSumCalculatorWithObject.getSumUsingReduce(items); + assertEquals(90, sum.intValue()); + } + + @Test + public void givenListOfItemsWhenSummingUsingCollectThenCorrectValueReturned() { + Item item1 = new Item(1, 10); + Item item2 = new Item(2, 15); + Item item3 = new Item(3, 25); + Item item4 = new Item(4, 40); + + List items = Arrays.asList(item1, item2, item3, item4); + + Integer sum = StreamSumCalculatorWithObject.getSumUsingCollect(items); + assertEquals(90, sum.intValue()); + } + + @Test + public void givenListOfItemsWhenSummingUsingSumThenCorrectValueReturned() { + Item item1 = new Item(1, 10); + Item item2 = new Item(2, 15); + Item item3 = new Item(3, 25); + Item item4 = new Item(4, 40); + + List items = Arrays.asList(item1, item2, item3, item4); + + Integer sum = StreamSumCalculatorWithObject.getSumUsingSum(items); + assertEquals(90, sum.intValue()); + } + + @Test + public void givenMapWhenSummingThenCorrectValueReturned() { + Map map = new HashMap(); + map.put(1, 10); + map.put(2, 15); + map.put(3, 25); + map.put(4, 40); + + Integer sum = StreamSumCalculator.getSumOfMapValues(map); + assertEquals(90, sum.intValue()); + } + + @Test + public void givenStringWhenSummingThenCorrectValueReturned() { + String string = "Item1 10 Item2 25 Item3 30 Item4 45"; + + Integer sum = StreamSumCalculator.getSumIntegersFromString(string); + assertEquals(110, sum.intValue()); + } + +} diff --git a/java-strings/README.md b/java-strings/README.md index cbc32d0015..b342f53918 100644 --- a/java-strings/README.md +++ b/java-strings/README.md @@ -22,7 +22,7 @@ - [Check if a String is a Palindrome](http://www.baeldung.com/java-palindrome) - [Comparing Strings in Java](http://www.baeldung.com/java-compare-strings) - [Check If a String Is Numeric in Java](http://www.baeldung.com/java-check-string-number) -- [Why Use char[] Array Over a String for Storing Passwords in Java?](http://www.baeldung.com/java-storing-passwords) +- [Use char[] Array Over a String for Manipulating Passwords in Java?](http://www.baeldung.com/java-storing-passwords) - [Convert a String to Title Case](http://www.baeldung.com/java-string-title-case) - [Compact Strings in Java 9](http://www.baeldung.com/java-9-compact-string) - [Java Check a String for Lowercase/Uppercase Letter, Special Character and Digit](https://www.baeldung.com/java-lowercase-uppercase-special-character-digit-regex) @@ -43,3 +43,14 @@ - [Pad a String with Zeros or Spaces in Java](https://www.baeldung.com/java-pad-string) - [Adding a Newline Character to a String in Java](https://www.baeldung.com/java-string-newline) - [Remove or Replace part of a String in Java](https://www.baeldung.com/java-remove-replace-string-part) +- [Replace a Character at a Specific Index in a String in Java](https://www.baeldung.com/java-replace-character-at-index) +- [Convert a Comma Separated String to a List in Java](https://www.baeldung.com/java-string-with-separator-to-list) +- [Guide to java.util.Formatter](http://www.baeldung.com/java-string-formatter) +- [Add a Character to a String at a Given Position](https://www.baeldung.com/java-add-character-to-string) +- [Remove Leading and Trailing Characters from a String](https://www.baeldung.com/java-remove-trailing-characters) +- [Concatenating Strings In Java](https://www.baeldung.com/java-strings-concatenation) +- [Java toString() Method](https://www.baeldung.com/java-tostring) +- [Java String Interview Questions and Answers](https://www.baeldung.com/java-string-interview-questions) +- [Check if a String is a Pangram in Java](https://www.baeldung.com/java-string-pangram) +- [Check If a String Contains Multiple Keywords](https://www.baeldung.com/string-contains-multiple-words) +- [Common String Operations in Java](https://www.baeldung.com/java-string-operations) diff --git a/java-strings/pom.xml b/java-strings/pom.xml index f4fb1c0865..4555b8ad4a 100755 --- a/java-strings/pom.xml +++ b/java-strings/pom.xml @@ -66,20 +66,20 @@ com.vdurmont emoji-java - 4.0.0 + ${emoji-java.version} org.junit.jupiter junit-jupiter-api - 5.3.1 + ${junit-jupiter-api.version} test org.hamcrest hamcrest-library - 1.3 + ${hamcrest-library.version} test @@ -87,12 +87,18 @@ org.passay passay - 1.3.1 + ${passay.version} org.apache.commons commons-text - 1.4 + ${commons-text.version} + + + + org.ahocorasick + ahocorasick + ${ahocorasick.version} @@ -110,10 +116,10 @@ org.apache.maven.plugins maven-compiler-plugin - 3.1 + ${maven-compiler-plugin.version} - 1.8 - 1.8 + ${java.version} + ${java.version} -parameters @@ -129,6 +135,12 @@ 1.19 61.1 27.0.1-jre + 4.0.0 + 5.3.1 + 1.3 + 1.3.1 + 1.4 + 0.4.0 diff --git a/core-java/src/main/java/com/baeldung/string/AppendCharAtPositionX.java b/java-strings/src/main/java/com/baeldung/string/AppendCharAtPositionX.java similarity index 100% rename from core-java/src/main/java/com/baeldung/string/AppendCharAtPositionX.java rename to java-strings/src/main/java/com/baeldung/string/AppendCharAtPositionX.java diff --git a/java-strings/src/main/java/com/baeldung/string/MatchWords.java b/java-strings/src/main/java/com/baeldung/string/MatchWords.java new file mode 100644 index 0000000000..0cad52c320 --- /dev/null +++ b/java-strings/src/main/java/com/baeldung/string/MatchWords.java @@ -0,0 +1,83 @@ +package com.baeldung.string; + +import org.ahocorasick.trie.Emit; +import org.ahocorasick.trie.Token; +import org.ahocorasick.trie.Trie; + +import java.util.*; +import java.util.function.Function; +import java.util.regex.Pattern; +import java.util.stream.Collectors; +import java.util.stream.Stream; + +public class MatchWords { + + public static boolean containsWordsIndexOf(String inputString, String[] words) { + boolean found = true; + for (String word : words) { + if (inputString.indexOf(word) == -1) { + found = false; + break; + } + } + return found; + } + + public static boolean containsWords(String inputString, String[] items) { + boolean found = true; + for (String item : items) { + if (!inputString.contains(item)) { + found = false; + break; + } + } + return found; + } + + public static boolean containsWordsAhoCorasick(String inputString, String[] words) { + Trie trie = Trie.builder() + .onlyWholeWords() + .addKeywords(words) + .build(); + + Collection emits = trie.parseText(inputString); + emits.forEach(System.out::println); + + boolean found = true; + for(String word : words) { + boolean contains = Arrays.toString(emits.toArray()).contains(word); + if (!contains) { + found = false; + break; + } + } + + return found; + } + + public static boolean containsWordsPatternMatch(String inputString, String[] words) { + + StringBuilder regexp = new StringBuilder(); + for (String word : words) { + regexp.append("(?=.*").append(word).append(")"); + } + + Pattern pattern = Pattern.compile(regexp.toString()); + + return pattern.matcher(inputString).find(); + } + + public static boolean containsWordsJava8(String inputString, String[] words) { + List inputStringList = Arrays.asList(inputString.split(" ")); + List wordsList = Arrays.asList(words); + + return wordsList.stream().allMatch(inputStringList::contains); + } + + public static boolean containsWordsArray(String inputString, String[] words) { + List inputStringList = Arrays.asList(inputString.split(" ")); + List wordsList = Arrays.asList(words); + + return inputStringList.containsAll(wordsList); + } +} diff --git a/java-strings/src/main/java/com/baeldung/string/Pangram.java b/java-strings/src/main/java/com/baeldung/string/Pangram.java new file mode 100644 index 0000000000..c09b0c1d29 --- /dev/null +++ b/java-strings/src/main/java/com/baeldung/string/Pangram.java @@ -0,0 +1,61 @@ +package com.baeldung.string; + +import java.util.Arrays; +import java.util.Map; +import java.util.function.Function; +import java.util.stream.Collectors; +import java.util.stream.Stream; + +public class Pangram { + private static final int ALPHABET_COUNT = 26; + + public static boolean isPangram(String str) { + if (str == null) + return false; + Boolean[] alphabetMarker = new Boolean[ALPHABET_COUNT]; + Arrays.fill(alphabetMarker, false); + int alphabetIndex = 0; + String strUpper = str.toUpperCase(); + for (int i = 0; i < str.length(); i++) { + if ('A' <= strUpper.charAt(i) && strUpper.charAt(i) <= 'Z') { + alphabetIndex = strUpper.charAt(i) - 'A'; + alphabetMarker[alphabetIndex] = true; + } + } + for (boolean index : alphabetMarker) { + if (!index) + return false; + } + return true; + } + + public static boolean isPangramWithStreams(String str) { + if (str == null) + return false; + + // filtered character stream + String strUpper = str.toUpperCase(); + Stream filteredCharStream = strUpper.chars() + .filter(item -> ((item >= 'A' && item <= 'Z'))) + .mapToObj(c -> (char) c); + Map alphabetMap = filteredCharStream.collect(Collectors.toMap(item -> item, k -> Boolean.TRUE, (p1, p2) -> p1)); + + return (alphabetMap.size() == ALPHABET_COUNT); + } + + public static boolean isPerfectPangram(String str) { + if (str == null) + return false; + + // filtered character stream + String strUpper = str.toUpperCase(); + Stream filteredCharStream = strUpper.chars() + .filter(item -> ((item >= 'A' && item <= 'Z'))) + .mapToObj(c -> (char) c); + Map alphabetFrequencyMap = filteredCharStream.collect(Collectors.groupingBy(Function.identity(), Collectors.counting())); + + return (alphabetFrequencyMap.size() == ALPHABET_COUNT && alphabetFrequencyMap.values() + .stream() + .allMatch(item -> item == 1)); + } +} diff --git a/java-strings/src/main/java/com/baeldung/string/tostring/Customer.java b/java-strings/src/main/java/com/baeldung/string/tostring/Customer.java new file mode 100644 index 0000000000..e914a83f0e --- /dev/null +++ b/java-strings/src/main/java/com/baeldung/string/tostring/Customer.java @@ -0,0 +1,19 @@ +package com.baeldung.string.tostring; + +public class Customer { + private String firstName; + private String lastName; + + public String getFirstName() { + return firstName; + } + public void setFirstName(String firstName) { + this.firstName = firstName; + } + public String getLastName() { + return lastName; + } + public void setLastName(String lastName) { + this.lastName = lastName; + } +} diff --git a/java-strings/src/main/java/com/baeldung/string/tostring/CustomerArrayToString.java b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerArrayToString.java new file mode 100644 index 0000000000..1736657276 --- /dev/null +++ b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerArrayToString.java @@ -0,0 +1,19 @@ +package com.baeldung.string.tostring; + +import java.util.Arrays; + +public class CustomerArrayToString extends Customer { + private Order[] orders; + + public Order[] getOrders() { + return orders; + } + public void setOrders(Order[] orders) { + this.orders = orders; + } + @Override + public String toString() { + return "Customer [orders=" + Arrays.toString(orders) + ", getFirstName()=" + getFirstName() + + ", getLastName()=" + getLastName() + "]"; + } +} diff --git a/java-strings/src/main/java/com/baeldung/string/tostring/CustomerComplexObjectToString.java b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerComplexObjectToString.java new file mode 100644 index 0000000000..9bede1b3fc --- /dev/null +++ b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerComplexObjectToString.java @@ -0,0 +1,19 @@ +package com.baeldung.string.tostring; + +public class CustomerComplexObjectToString extends Customer { + private Order order; + + public Order getOrder() { + return order; + } + + public void setOrder(Order order) { + this.order = order; + } + + @Override + public String toString() { + return "Customer [order=" + order + ", getFirstName()=" + getFirstName() + + ", getLastName()=" + getLastName() + "]"; + } +} \ No newline at end of file diff --git a/java-strings/src/main/java/com/baeldung/string/tostring/CustomerPrimitiveToString.java b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerPrimitiveToString.java new file mode 100644 index 0000000000..86e08ca447 --- /dev/null +++ b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerPrimitiveToString.java @@ -0,0 +1,19 @@ +package com.baeldung.string.tostring; + +public class CustomerPrimitiveToString extends Customer { + private long balance; + + public long getBalance() { + return balance; + } + + public void setBalance(long balance) { + this.balance = balance; + } + + @Override + public String toString() { + return "Customer [balance=" + balance + ", getFirstName()=" + getFirstName() + + ", getLastName()=" + getLastName() + "]"; + } +} diff --git a/java-strings/src/main/java/com/baeldung/string/tostring/CustomerReflectionToString.java b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerReflectionToString.java new file mode 100644 index 0000000000..2da1163c63 --- /dev/null +++ b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerReflectionToString.java @@ -0,0 +1,41 @@ +package com.baeldung.string.tostring; + +import java.util.List; + +import org.apache.commons.lang3.builder.ReflectionToStringBuilder; + +public class CustomerReflectionToString extends Customer{ + + private Integer score; + private List orders; + private StringBuffer fullname; + + public Integer getScore() { + return score; + } + + public void setScore(Integer score) { + this.score = score; + } + + public List getOrders() { + return orders; + } + + public void setOrders(List orders) { + this.orders = orders; + } + + public StringBuffer getFullname() { + return fullname; + } + + public void setFullname(StringBuffer fullname) { + this.fullname = fullname; + } + + @Override + public String toString() { + return ReflectionToStringBuilder.toString(this); + } +} diff --git a/java-strings/src/main/java/com/baeldung/string/tostring/CustomerWrapperCollectionToString.java b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerWrapperCollectionToString.java new file mode 100644 index 0000000000..6c7b999045 --- /dev/null +++ b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerWrapperCollectionToString.java @@ -0,0 +1,39 @@ +package com.baeldung.string.tostring; + +import java.util.List; + +public class CustomerWrapperCollectionToString extends Customer { + private Integer score; + private List orders; + private StringBuffer fullname; + + public Integer getScore() { + return score; + } + + public void setScore(Integer score) { + this.score = score; + } + + public List getOrders() { + return orders; + } + + public void setOrders(List orders) { + this.orders = orders; + } + + public StringBuffer getFullname() { + return fullname; + } + + public void setFullname(StringBuffer fullname) { + this.fullname = fullname; + } + + @Override + public String toString() { + return "Customer [score=" + score + ", orders=" + orders + ", fullname=" + fullname + + ", getFirstName()=" + getFirstName() + ", getLastName()=" + getLastName() + "]"; + } +} diff --git a/java-strings/src/main/java/com/baeldung/string/tostring/Order.java b/java-strings/src/main/java/com/baeldung/string/tostring/Order.java new file mode 100644 index 0000000000..017e2d9bc8 --- /dev/null +++ b/java-strings/src/main/java/com/baeldung/string/tostring/Order.java @@ -0,0 +1,46 @@ +package com.baeldung.string.tostring; + +public class Order { + + private String orderId; + private String desc; + private long value; + private String status; + + public String getOrderId() { + return orderId; + } + + public void setOrderId(String orderId) { + this.orderId = orderId; + } + + public String getDesc() { + return desc; + } + + public void setDesc(String desc) { + this.desc = desc; + } + + public long getValue() { + return value; + } + + public void setValue(long value) { + this.value = value; + } + + public String getStatus() { + return status; + } + + public void setStatus(String status) { + this.status = status; + } + @Override + public String toString() { + return "Order [orderId=" + orderId + ", desc=" + desc + ", value=" + value + "]"; + } + +} diff --git a/core-java/src/test/java/com/baeldung/string/AppendCharAtPositionXUnitTest.java b/java-strings/src/test/java/com/baeldung/string/AppendCharAtPositionXUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/string/AppendCharAtPositionXUnitTest.java rename to java-strings/src/test/java/com/baeldung/string/AppendCharAtPositionXUnitTest.java diff --git a/java-strings/src/test/java/com/baeldung/string/MatchWordsUnitTest.java b/java-strings/src/test/java/com/baeldung/string/MatchWordsUnitTest.java new file mode 100644 index 0000000000..385aadaa5d --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/MatchWordsUnitTest.java @@ -0,0 +1,66 @@ +package com.baeldung.string; + +import org.junit.Test; + +import static org.assertj.core.api.Assertions.assertThat; + +public class MatchWordsUnitTest { + + private final String[] words = {"hello", "Baeldung"}; + private final String inputString = "hello there, Baeldung"; + private final String wholeInput = "helloBaeldung"; + + @Test + public void givenText_whenCallingStringContains_shouldMatchWords() { + final boolean result = MatchWords.containsWords(inputString, words); + assertThat(result).isTrue(); + } + + @Test + public void givenText_whenCallingJava8_shouldMatchWords() { + final boolean result = MatchWords.containsWordsJava8(inputString, words); + assertThat(result).isTrue(); + } + + @Test + public void givenText_whenCallingJava8_shouldNotMatchWords() { + final boolean result = MatchWords.containsWordsJava8(wholeInput, words); + assertThat(result).isFalse(); + } + + @Test + public void givenText_whenCallingPattern_shouldMatchWords() { + final boolean result = MatchWords.containsWordsPatternMatch(inputString, words); + assertThat(result).isTrue(); + } + + @Test + public void givenText_whenCallingAhoCorasick_shouldMatchWords() { + final boolean result = MatchWords.containsWordsAhoCorasick(inputString, words); + assertThat(result).isTrue(); + } + + @Test + public void givenText_whenCallingAhoCorasick_shouldNotMatchWords() { + final boolean result = MatchWords.containsWordsAhoCorasick(wholeInput, words); + assertThat(result).isFalse(); + } + + @Test + public void givenText_whenCallingIndexOf_shouldMatchWords() { + final boolean result = MatchWords.containsWordsIndexOf(inputString, words); + assertThat(result).isTrue(); + } + + @Test + public void givenText_whenCallingArrayList_shouldMatchWords() { + final boolean result = MatchWords.containsWordsArray(inputString, words); + assertThat(result).isTrue(); + } + + @Test + public void givenText_whenCallingArrayList_shouldNotMatchWords() { + final boolean result = MatchWords.containsWordsArray(wholeInput, words); + assertThat(result).isFalse(); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/PangramUnitTest.java b/java-strings/src/test/java/com/baeldung/string/PangramUnitTest.java new file mode 100644 index 0000000000..36e603b535 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/PangramUnitTest.java @@ -0,0 +1,43 @@ +package com.baeldung.string; + +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; +import org.junit.Test; + +public class PangramUnitTest { + + @Test + public void givenValidString_isPangram_shouldReturnSuccess() { + String input = "Two driven jocks help fax my big quiz"; + assertTrue(Pangram.isPangram(input)); + assertTrue(Pangram.isPangramWithStreams(input)); + } + + @Test + public void givenNullString_isPangram_shouldReturnFailure() { + String input = null; + assertFalse(Pangram.isPangram(input)); + assertFalse(Pangram.isPangramWithStreams(input)); + assertFalse(Pangram.isPerfectPangram(input)); + } + + @Test + public void givenPerfectPangramString_isPerfectPangram_shouldReturnSuccess() { + String input = "abcdefghijklmNoPqrStuVwxyz"; + assertTrue(Pangram.isPerfectPangram(input)); + } + + @Test + public void givenNonPangramString_isPangram_shouldReturnFailure() { + String input = "invalid pangram"; + assertFalse(Pangram.isPangram(input)); + assertFalse(Pangram.isPangramWithStreams(input)); + } + + @Test + public void givenPangram_isPerfectPangram_shouldReturnFailure() { + String input = "Two driven jocks help fax my big quiz"; + assertFalse(Pangram.isPerfectPangram(input)); + } + +} diff --git a/java-strings/src/test/java/com/baeldung/string/StringReplaceAndRemoveUnitTest.java b/java-strings/src/test/java/com/baeldung/string/StringReplaceAndRemoveUnitTest.java index d952d2383b..4d2b54241b 100644 --- a/java-strings/src/test/java/com/baeldung/string/StringReplaceAndRemoveUnitTest.java +++ b/java-strings/src/test/java/com/baeldung/string/StringReplaceAndRemoveUnitTest.java @@ -1,7 +1,7 @@ package com.baeldung.string; - import org.apache.commons.lang3.StringUtils; +import org.apache.commons.lang3.RegExUtils; import org.junit.Test; import static org.junit.Assert.assertFalse; @@ -9,7 +9,6 @@ import static org.junit.Assert.assertTrue; public class StringReplaceAndRemoveUnitTest { - @Test public void givenTestStrings_whenReplace_thenProcessedString() { @@ -26,7 +25,7 @@ public class StringReplaceAndRemoveUnitTest { public void givenTestStrings_whenReplaceAll_thenProcessedString() { String master2 = "Welcome to Baeldung, Hello World Baeldung"; - String regexTarget= "(Baeldung)$"; + String regexTarget = "(Baeldung)$"; String replacement = "Java"; String processed2 = master2.replaceAll(regexTarget, replacement); assertTrue(processed2.endsWith("Java")); @@ -45,18 +44,16 @@ public class StringReplaceAndRemoveUnitTest { StringBuilder builder = new StringBuilder(master); - builder.delete(startIndex, stopIndex); - assertFalse(builder.toString().contains(target)); - + assertFalse(builder.toString() + .contains(target)); builder.replace(startIndex, stopIndex, replacement); - assertTrue(builder.toString().contains(replacement)); - + assertTrue(builder.toString() + .contains(replacement)); } - @Test public void givenTestStrings_whenStringUtilsMethods_thenProcessedStrings() { @@ -74,10 +71,20 @@ public class StringReplaceAndRemoveUnitTest { } + @Test + public void givenTestStrings_whenReplaceExactWord_thenProcessedString() { + String sentence = "A car is not the same as a carriage, and some planes can carry cars inside them!"; + String regexTarget = "\\bcar\\b"; + String exactWordReplaced = sentence.replaceAll(regexTarget, "truck"); + assertTrue("A truck is not the same as a carriage, and some planes can carry cars inside them!".equals(exactWordReplaced)); + } - - - - + @Test + public void givenTestStrings_whenReplaceExactWordUsingRegExUtilsMethod_thenProcessedString() { + String sentence = "A car is not the same as a carriage, and some planes can carry cars inside them!"; + String regexTarget = "\\bcar\\b"; + String exactWordReplaced = RegExUtils.replaceAll(sentence, regexTarget, "truck"); + assertTrue("A truck is not the same as a carriage, and some planes can carry cars inside them!".equals(exactWordReplaced)); + } } diff --git a/java-strings/src/test/java/com/baeldung/string/formatter/DateToStringFormatterUnitTest.java b/java-strings/src/test/java/com/baeldung/string/formatter/DateToStringFormatterUnitTest.java index f236c641c3..d760510c73 100644 --- a/java-strings/src/test/java/com/baeldung/string/formatter/DateToStringFormatterUnitTest.java +++ b/java-strings/src/test/java/com/baeldung/string/formatter/DateToStringFormatterUnitTest.java @@ -1,7 +1,6 @@ package com.baeldung.string.formatter; -import org.junit.BeforeClass; -import org.junit.Test; +import static org.junit.Assert.assertEquals; import java.text.DateFormat; import java.text.SimpleDateFormat; @@ -11,9 +10,11 @@ import java.time.ZoneId; import java.time.format.DateTimeFormatter; import java.util.Calendar; import java.util.Date; +import java.util.Locale; import java.util.TimeZone; -import static org.junit.Assert.assertEquals; +import org.junit.BeforeClass; +import org.junit.Test; public class DateToStringFormatterUnitTest { @@ -40,7 +41,7 @@ public class DateToStringFormatterUnitTest { @Test public void whenDateConvertedUsingDateFormatToString_thenCorrect() { String formattedDate = DateFormat - .getDateTimeInstance(DateFormat.MEDIUM, DateFormat.SHORT) + .getDateTimeInstance(DateFormat.MEDIUM, DateFormat.SHORT, Locale.US) .format(date); assertEquals(EXPECTED_STRING_DATE, formattedDate); diff --git a/java-strings/src/test/java/com/baeldung/string/interview/LocaleUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/LocaleUnitTest.java new file mode 100644 index 0000000000..1d221056fd --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/LocaleUnitTest.java @@ -0,0 +1,19 @@ +package com.baeldung.string.interview; + +import java.math.BigDecimal; +import java.text.NumberFormat; +import java.util.Locale; +import static org.junit.Assert.assertEquals; + +import org.junit.Test; + +public class LocaleUnitTest { + @Test + public void whenUsingLocal_thenCorrectResultsForDifferentLocale() { + Locale usLocale = Locale.US; + BigDecimal number = new BigDecimal(102_300.456d); + + NumberFormat usNumberFormat = NumberFormat.getCurrencyInstance(usLocale); + assertEquals(usNumberFormat.format(number), "$102,300.46"); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringAnagramUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringAnagramUnitTest.java new file mode 100644 index 0000000000..aadfade737 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringAnagramUnitTest.java @@ -0,0 +1,29 @@ +package com.baeldung.string.interview; + +import static org.assertj.core.api.Assertions.assertThat; + +import java.util.Arrays; + +import org.junit.Test; + +public class StringAnagramUnitTest { + public boolean isAnagram(String s1, String s2) { + if(s1.length() != s2.length()) + return false; + + char[] arr1 = s1.toCharArray(); + char[] arr2 = s2.toCharArray(); + + Arrays.sort(arr1); + Arrays.sort(arr2); + + return Arrays.equals(arr1, arr2); + } + + @Test + public void whenTestAnagrams_thenTestingCorrectly() { + assertThat(isAnagram("car", "arc")).isTrue(); + assertThat(isAnagram("west", "stew")).isTrue(); + assertThat(isAnagram("west", "east")).isFalse(); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringChangeCaseUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringChangeCaseUnitTest.java new file mode 100644 index 0000000000..2c7ec500fe --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringChangeCaseUnitTest.java @@ -0,0 +1,20 @@ +package com.baeldung.string.interview; + +import static org.junit.Assert.assertEquals; + +import org.junit.Test; + +public class StringChangeCaseUnitTest { + @Test + public void givenString_whenChangingToUppercase_thenCaseChanged() { + String s = "Welcome to Baeldung!"; + assertEquals("WELCOME TO BAELDUNG!", s.toUpperCase()); + } + + + @Test + public void givenString_whenChangingToLowerrcase_thenCaseChanged() { + String s = "Welcome to Baeldung!"; + assertEquals("welcome to baeldung!", s.toLowerCase()); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringCountOccurrencesUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringCountOccurrencesUnitTest.java new file mode 100644 index 0000000000..6c17643ac8 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringCountOccurrencesUnitTest.java @@ -0,0 +1,28 @@ +package com.baeldung.string.interview; + +import static org.junit.Assert.assertEquals; + +import org.junit.Test; + +public class StringCountOccurrencesUnitTest { + public int countOccurrences(String s, char c) { + int count = 0; + for (int i = 0; i < s.length(); i++) { + if (s.charAt(i) == c) { + count++; + } + } + return count; + } + + @Test + public void givenString_whenCountingFrequencyOfChar_thenCountCorrect() { + assertEquals(3, countOccurrences("united states", 't')); + } + + public void givenString_whenUsingJava8_thenCountingOfCharCorrect() { + String str = "united states"; + long count = str.chars().filter(ch -> (char)ch == 't').count(); + assertEquals(3, count); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringFormatUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringFormatUnitTest.java new file mode 100644 index 0000000000..787017791c --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringFormatUnitTest.java @@ -0,0 +1,14 @@ +package com.baeldung.string.interview; + +import static org.junit.Assert.assertEquals; + +import org.junit.Test; + +public class StringFormatUnitTest { + @Test + public void givenString_whenUsingStringFormat_thenStringFormatted() { + String title = "Baeldung"; + String formatted = String.format("Title is %s", title); + assertEquals(formatted, "Title is Baeldung"); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringInternUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringInternUnitTest.java new file mode 100644 index 0000000000..c5bffb7573 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringInternUnitTest.java @@ -0,0 +1,17 @@ +package com.baeldung.string.interview; + +import static org.assertj.core.api.Assertions.assertThat; + +import org.junit.Test; + +public class StringInternUnitTest { + @Test + public void whenCallingStringIntern_thenStringsInterned() { + String s1 = "Baeldung"; + String s2 = new String("Baeldung"); + String s3 = new String("Baeldung").intern(); + + assertThat(s1 == s2).isFalse(); + assertThat(s1 == s3).isTrue(); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringJoinerUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringJoinerUnitTest.java new file mode 100644 index 0000000000..d44c7478e4 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringJoinerUnitTest.java @@ -0,0 +1,18 @@ +package com.baeldung.string.interview; + +import java.util.StringJoiner; +import static org.junit.Assert.assertEquals; + +import org.junit.Test; + +public class StringJoinerUnitTest { + @Test + public void whenUsingStringJoiner_thenStringsJoined() { + StringJoiner joiner = new StringJoiner(",", "[", "]"); + joiner.add("Red") + .add("Green") + .add("Blue"); + + assertEquals(joiner.toString(), "[Red,Green,Blue]"); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringPalindromeUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringPalindromeUnitTest.java new file mode 100644 index 0000000000..79ed14cd99 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringPalindromeUnitTest.java @@ -0,0 +1,29 @@ +package com.baeldung.string.interview; + +import static org.assertj.core.api.Assertions.assertThat; + +import org.junit.Test; + +public class StringPalindromeUnitTest { + + public boolean isPalindrome(String text) { + int forward = 0; + int backward = text.length() - 1; + while (backward > forward) { + char forwardChar = text.charAt(forward++); + char backwardChar = text.charAt(backward--); + if (forwardChar != backwardChar) + return false; + } + return true; + } + + @Test + public void givenIsPalindromeMethod_whenCheckingString_thenFindIfPalindrome() { + assertThat(isPalindrome("madam")).isTrue(); + assertThat(isPalindrome("radar")).isTrue(); + assertThat(isPalindrome("level")).isTrue(); + + assertThat(isPalindrome("baeldung")).isFalse(); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringReverseUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringReverseUnitTest.java new file mode 100644 index 0000000000..bb9b45dc97 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringReverseUnitTest.java @@ -0,0 +1,13 @@ +package com.baeldung.string.interview; + +import static org.junit.Assert.assertEquals; + +import org.junit.Test; + +public class StringReverseUnitTest { + @Test + public void whenUsingInbuildMethods_thenStringReversed() { + String reversed = new StringBuilder("baeldung").reverse().toString(); + assertEquals("gnudleab", reversed); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringSplitUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringSplitUnitTest.java new file mode 100644 index 0000000000..e1cea62462 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringSplitUnitTest.java @@ -0,0 +1,32 @@ +package com.baeldung.string.interview; + +import org.apache.commons.lang3.StringUtils; +import org.junit.Test; +import static org.junit.Assert.assertArrayEquals; + +public class StringSplitUnitTest { + @Test + public void givenCoreJava_whenSplittingStrings_thenSplitted() { + String expected[] = { + "john", + "peter", + "mary" + }; + + String[] splitted = "john,peter,mary".split(","); + assertArrayEquals( expected, splitted ); + } + + @Test + public void givenApacheCommons_whenSplittingStrings_thenSplitted() { + String expected[] = { + "john", + "peter", + "mary" + }; + String[] splitted = StringUtils.split("john peter mary"); + assertArrayEquals( expected, splitted ); + } + + +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringToByteArrayUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringToByteArrayUnitTest.java new file mode 100644 index 0000000000..aee4eedcd6 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringToByteArrayUnitTest.java @@ -0,0 +1,24 @@ +package com.baeldung.string.interview; + +import static org.junit.Assert.assertArrayEquals; + +import java.io.UnsupportedEncodingException; +import java.nio.charset.StandardCharsets; + +import org.junit.Test; + +public class StringToByteArrayUnitTest { + @Test + public void whenGetBytes_thenCorrect() throws UnsupportedEncodingException { + byte[] byteArray1 = "abcd".getBytes(); + byte[] byteArray2 = "efgh".getBytes(StandardCharsets.US_ASCII); + byte[] byteArray3 = "ijkl".getBytes("UTF-8"); + byte[] expected1 = new byte[] { 97, 98, 99, 100 }; + byte[] expected2 = new byte[] { 101, 102, 103, 104 }; + byte[] expected3 = new byte[] { 105, 106, 107, 108 }; + + assertArrayEquals(expected1, byteArray1); + assertArrayEquals(expected2, byteArray2); + assertArrayEquals(expected3, byteArray3); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringToCharArrayUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringToCharArrayUnitTest.java new file mode 100644 index 0000000000..1322d0fa82 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringToCharArrayUnitTest.java @@ -0,0 +1,17 @@ +package com.baeldung.string.interview; + +import static org.junit.Assert.assertEquals; + +import java.util.Arrays; + +import org.junit.Test; + +public class StringToCharArrayUnitTest { + @Test + public void whenConvertingStringToCharArray_thenConversionSuccessful() { + String beforeConvStr = "hello"; + char[] afterConvCharArr = { 'h', 'e', 'l', 'l', 'o' }; + + assertEquals(Arrays.equals(beforeConvStr.toCharArray(), afterConvCharArr), true); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringToIntegerUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringToIntegerUnitTest.java new file mode 100644 index 0000000000..a905438a84 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringToIntegerUnitTest.java @@ -0,0 +1,15 @@ +package com.baeldung.string.interview; + +import org.junit.Test; +import static org.assertj.core.api.Assertions.assertThat; + +public class StringToIntegerUnitTest { + @Test + public void givenString_whenParsingInt_shouldConvertToInt() { + String givenString = "42"; + + int result = Integer.parseInt(givenString); + + assertThat(result).isEqualTo(42); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/tostring/CustomerArrayToStringUnitTest.java b/java-strings/src/test/java/com/baeldung/string/tostring/CustomerArrayToStringUnitTest.java new file mode 100644 index 0000000000..9a88416179 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/tostring/CustomerArrayToStringUnitTest.java @@ -0,0 +1,26 @@ +package com.baeldung.string.tostring; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +import org.junit.jupiter.api.Test; + +public class CustomerArrayToStringUnitTest { + private static final String CUSTOMER_ARRAY_TO_STRING + = "Customer [orders=[Order [orderId=A1111, desc=Game, value=0]], getFirstName()=Rajesh, getLastName()=Bhojwani]"; + + @Test + public void givenArray_whenToString_thenCustomerDetails() { + CustomerArrayToString customer = new CustomerArrayToString(); + customer.setFirstName("Rajesh"); + customer.setLastName("Bhojwani"); + Order[] orders = new Order[1]; + orders[0] = new Order(); + orders[0].setOrderId("A1111"); + orders[0].setDesc("Game"); + orders[0].setStatus("In-Shiping"); + customer.setOrders(orders); + + assertEquals(CUSTOMER_ARRAY_TO_STRING, customer.toString()); + } + +} diff --git a/java-strings/src/test/java/com/baeldung/string/tostring/CustomerComplexObjectToStringUnitTest.java b/java-strings/src/test/java/com/baeldung/string/tostring/CustomerComplexObjectToStringUnitTest.java new file mode 100644 index 0000000000..5ffb0d0e58 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/tostring/CustomerComplexObjectToStringUnitTest.java @@ -0,0 +1,25 @@ +package com.baeldung.string.tostring; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +import org.junit.jupiter.api.Test; + +public class CustomerComplexObjectToStringUnitTest { + private static final String CUSTOMER_COMPLEX_TO_STRING + = "Customer [order=Order [orderId=A1111, desc=Game, value=0], getFirstName()=Rajesh, getLastName()=Bhojwani]"; + + @Test + public void givenComplex_whenToString_thenCustomerDetails() { + CustomerComplexObjectToString customer = new CustomerComplexObjectToString(); + customer.setFirstName("Rajesh"); + customer.setLastName("Bhojwani"); + Order order = new Order(); + order.setOrderId("A1111"); + order.setDesc("Game"); + order.setStatus("In-Shiping"); + customer.setOrder(order); + + assertEquals(CUSTOMER_COMPLEX_TO_STRING, customer.toString()); + } + +} diff --git a/java-strings/src/test/java/com/baeldung/string/tostring/CustomerPrimitiveToStringUnitTest.java b/java-strings/src/test/java/com/baeldung/string/tostring/CustomerPrimitiveToStringUnitTest.java new file mode 100644 index 0000000000..d43733bc60 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/tostring/CustomerPrimitiveToStringUnitTest.java @@ -0,0 +1,22 @@ +package com.baeldung.string.tostring; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +import org.junit.jupiter.api.Test; + +public class CustomerPrimitiveToStringUnitTest { + + private static final String CUSTOMER_PRIMITIVE_TO_STRING + = "Customer [balance=110, getFirstName()=Rajesh, getLastName()=Bhojwani]"; + + @Test + public void givenPrimitive_whenToString_thenCustomerDetails() { + CustomerPrimitiveToString customer = new CustomerPrimitiveToString(); + customer.setFirstName("Rajesh"); + customer.setLastName("Bhojwani"); + customer.setBalance(110); + + assertEquals(CUSTOMER_PRIMITIVE_TO_STRING, customer.toString()); + } +} + diff --git a/java-strings/src/test/java/com/baeldung/string/tostring/CustomerWrapperCollectionToStringUnitTest.java b/java-strings/src/test/java/com/baeldung/string/tostring/CustomerWrapperCollectionToStringUnitTest.java new file mode 100644 index 0000000000..e04512ff75 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/tostring/CustomerWrapperCollectionToStringUnitTest.java @@ -0,0 +1,33 @@ +package com.baeldung.string.tostring; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +import java.util.ArrayList; +import java.util.List; + +import org.junit.jupiter.api.Test; + +public class CustomerWrapperCollectionToStringUnitTest { + private static final String CUSTOMER_WRAPPER_COLLECTION_TO_STRING + = "Customer [score=8, orders=[Book, Pen], fullname=Bhojwani, Rajesh, getFirstName()=Rajesh, getLastName()=Bhojwani]"; + + @Test + public void givenWrapperCollectionStrBuffer_whenToString_thenCustomerDetails() { + CustomerWrapperCollectionToString customer = new CustomerWrapperCollectionToString(); + customer.setFirstName("Rajesh"); + customer.setLastName("Bhojwani"); + customer.setScore(8); + + List orders = new ArrayList(); + orders.add("Book"); + orders.add("Pen"); + customer.setOrders(orders); + + StringBuffer fullname = new StringBuffer(); + fullname.append(customer.getLastName()+", "+ customer.getFirstName()); + customer.setFullname(fullname); + + assertEquals(CUSTOMER_WRAPPER_COLLECTION_TO_STRING, customer.toString()); + } + +} diff --git a/javax-servlets/pom.xml b/javax-servlets/pom.xml index f00dd0ebe8..bf85feb7ce 100644 --- a/javax-servlets/pom.xml +++ b/javax-servlets/pom.xml @@ -80,6 +80,7 @@ test + 4.5.3 5.0.5.RELEASE diff --git a/javaxval/pom.xml b/javaxval/pom.xml index 5f2690b5b4..7ecddc0ca8 100644 --- a/javaxval/pom.xml +++ b/javaxval/pom.xml @@ -50,12 +50,12 @@ test + 2.0.1.Final 6.0.13.Final 3.0.0 - 5.0.2.RELEASE - 4.12 + 5.0.2.RELEASE 3.11.1 diff --git a/jee-7-security/pom.xml b/jee-7-security/pom.xml index 622ca19903..5b7bb07239 100644 --- a/jee-7-security/pom.xml +++ b/jee-7-security/pom.xml @@ -4,8 +4,8 @@ 4.0.0 jee-7-security 1.0-SNAPSHOT - war jee-7-security + war JavaEE 7 Spring Security Application @@ -56,7 +56,7 @@ javax.mvc javax.mvc-api - 1.0-pr + ${javax.mvc-api.version} @@ -97,6 +97,7 @@ 2.2 1.1.2 4.2.3.RELEASE + 1.0-pr diff --git a/jee-7/README.md b/jee-7/README.md index a2493e561b..a783e7860e 100644 --- a/jee-7/README.md +++ b/jee-7/README.md @@ -5,3 +5,4 @@ - [Introduction to JAX-WS](http://www.baeldung.com/jax-ws) - [A Guide to Java EE Web-Related Annotations](http://www.baeldung.com/javaee-web-annotations) - [Introduction to Testing with Arquillian](http://www.baeldung.com/arquillian) +- [Java EE 7 Batch Processing](https://www.baeldung.com/java-ee-7-batch-processing) diff --git a/jee-7/pom.xml b/jee-7/pom.xml index 97ed2cc51d..62ccb9d313 100644 --- a/jee-7/pom.xml +++ b/jee-7/pom.xml @@ -128,52 +128,52 @@ org.jboss.spec.javax.batch jboss-batch-api_1.0_spec - 1.0.0.Final + ${jboss-batch-api.version} org.jberet jberet-core - 1.0.2.Final + ${jberet.version} org.jberet jberet-support - 1.0.2.Final + ${jberet.version} org.jboss.spec.javax.transaction jboss-transaction-api_1.2_spec - 1.0.0.Final + ${jboss-transaction-api.version} org.jboss.marshalling jboss-marshalling - 1.4.2.Final + ${jboss-marshalling.version} org.jboss.weld weld-core - 2.1.1.Final + ${weld.version} org.jboss.weld.se weld-se - 2.1.1.Final + ${weld.version} org.jberet jberet-se - 1.0.2.Final + ${jberet.version} com.h2database h2 - 1.4.178 + ${h2.version} org.glassfish.jersey.containers jersey-container-jetty-servlet - 2.22.1 + ${jersey-container-jetty-servlet.version} @@ -533,6 +533,13 @@ 1.2 2.2 20160715 + 1.0.0.Final + 1.0.2.Final + 1.0.0.Final + 1.4.2.Final + 2.1.1.Final + 1.4.178 + 2.22.1 - \ No newline at end of file + diff --git a/jgroups/pom.xml b/jgroups/pom.xml index 34bdd59919..e95fe2be3c 100644 --- a/jgroups/pom.xml +++ b/jgroups/pom.xml @@ -4,9 +4,9 @@ 4.0.0 jgroups 0.1-SNAPSHOT - jar jgroups Reliable Messaging with JGroups Tutorial + jar com.baeldung diff --git a/jhipster/README.md b/jhipster/README.md index 91ba54bf60..289bfac754 100644 --- a/jhipster/README.md +++ b/jhipster/README.md @@ -3,3 +3,4 @@ - [JHipster with a Microservice Architecture](http://www.baeldung.com/jhipster-microservices) - [Intro to JHipster](http://www.baeldung.com/jhipster) - [Building a Basic UAA-Secured JHipster Microservice](https://www.baeldung.com/jhipster-uaa-secured-micro-service) +- [Creating New Roles and Authorities in JHipster](https://www.baeldung.com/jhipster-new-roles) diff --git a/jhipster/jhipster-microservice/car-app/pom.xml b/jhipster/jhipster-microservice/car-app/pom.xml index b05979b9c5..529877d448 100644 --- a/jhipster/jhipster-microservice/car-app/pom.xml +++ b/jhipster/jhipster-microservice/car-app/pom.xml @@ -1,6 +1,10 @@ 4.0.0 + com.car.app + car-app + car-app + war jhipster-microservice @@ -8,94 +12,10 @@ 1.0.0-SNAPSHOT - com.car.app - car-app - war - car-app - ${maven.version} - - -Djava.security.egd=file:/dev/./urandom -Xmx256m - 3.6.2 - 2.0.0 - 2.5 - 3.5 - 0.4.13 - 1.2 - 5.2.8.Final - 2.6.0 - 0.7.9 - 1.8 - 3.21.0-GA - 1.0.0 - 1.1.0 - 0.7.0 - 3.6 - 2.0.0 - 3.6.2 - 4.8 - jdt_apt - 1.1.0.Final - 2.10 - 1.4.1 - 3.0.1 - yyyyMMddHHmmss - 3.0.0 - 3.1.3 - v6.10.0 - - - - - ${project.build.directory}/test-results - 0.0.20 - false - 3.2.2 - 2.12.1 - 3.2 - - src/main/webapp/content/**/*.*, src/main/webapp/bower_components/**/*.*, src/main/webapp/i18n/*.js, target/www/**/*.* - - S3437,UndocumentedApi,BoldAndItalicTagsCheck - - - src/main/webapp/app/**/*.* - Web:BoldAndItalicTagsCheck - - src/main/java/**/* - squid:S3437 - - src/main/java/**/* - squid:UndocumentedApi - - ${project.testresult.directory}/coverage/jacoco/jacoco-it.exec - ${project.testresult.directory}/coverage/jacoco/jacoco.exec - jacoco - - ${project.testresult.directory}/karma - - ${project.testresult.directory}/coverage/report-lcov/lcov.info - - ${project.testresult.directory}/coverage/report-lcov/lcov.info - - ${project.basedir}/src/main/ - ${project.testresult.directory}/surefire-reports - ${project.basedir}/src/test/ - - 2.5.0 - - Camden.SR5 - 2.6.1 - 1.4.10.Final - 1.1.0.Final - v0.21.3 - - @@ -898,4 +818,84 @@ + + + -Djava.security.egd=file:/dev/./urandom -Xmx256m + 3.6.2 + 2.0.0 + 2.5 + 3.5 + 0.4.13 + 1.2 + 5.2.8.Final + 2.6.0 + 0.7.9 + 1.8 + 3.21.0-GA + 1.0.0 + 1.1.0 + 0.7.0 + 3.6 + 2.0.0 + 3.6.2 + 4.8 + jdt_apt + 1.1.0.Final + 2.10 + 1.4.1 + 3.0.1 + yyyyMMddHHmmss + 3.0.0 + 3.1.3 + v6.10.0 + + + + + ${project.build.directory}/test-results + 0.0.20 + false + 3.2.2 + 2.12.1 + 3.2 + + src/main/webapp/content/**/*.*, src/main/webapp/bower_components/**/*.*, src/main/webapp/i18n/*.js, target/www/**/*.* + + S3437,UndocumentedApi,BoldAndItalicTagsCheck + + + src/main/webapp/app/**/*.* + Web:BoldAndItalicTagsCheck + + src/main/java/**/* + squid:S3437 + + src/main/java/**/* + squid:UndocumentedApi + + ${project.testresult.directory}/coverage/jacoco/jacoco-it.exec + ${project.testresult.directory}/coverage/jacoco/jacoco.exec + jacoco + + ${project.testresult.directory}/karma + + ${project.testresult.directory}/coverage/report-lcov/lcov.info + + ${project.testresult.directory}/coverage/report-lcov/lcov.info + + ${project.basedir}/src/main/ + ${project.testresult.directory}/surefire-reports + ${project.basedir}/src/test/ + + 2.5.0 + + Camden.SR5 + 2.6.1 + 1.4.10.Final + 1.1.0.Final + v0.21.3 + + diff --git a/jhipster/jhipster-microservice/dealer-app/pom.xml b/jhipster/jhipster-microservice/dealer-app/pom.xml index 803a0f62e6..1eac8a930e 100644 --- a/jhipster/jhipster-microservice/dealer-app/pom.xml +++ b/jhipster/jhipster-microservice/dealer-app/pom.xml @@ -1,6 +1,10 @@ 4.0.0 + com.dealer.app + dealer-app + dealer-app + war jhipster-microservice @@ -8,93 +12,10 @@ 1.0.0-SNAPSHOT - com.dealer.app - dealer-app - war - dealer-app - ${maven.version} - - -Djava.security.egd=file:/dev/./urandom -Xmx256m - 3.6.2 - 2.0.0 - 2.5 - 3.5 - 0.4.13 - 1.2 - 5.2.8.Final - 2.6.0 - 0.7.9 - 3.21.0-GA - 1.0.0 - 1.1.0 - 0.7.0 - 3.6 - 2.0.0 - 3.6.2 - 4.8 - jdt_apt - 1.1.0.Final - 2.10 - 1.4.1 - 3.0.1 - yyyyMMddHHmmss - 3.0.0 - 3.1.3 - v6.10.0 - - - - - ${project.build.directory}/test-results - 0.0.20 - false - 3.2.2 - 2.12.1 - 3.2 - - src/main/webapp/content/**/*.*, src/main/webapp/bower_components/**/*.*, src/main/webapp/i18n/*.js, target/www/**/*.* - - S3437,UndocumentedApi,BoldAndItalicTagsCheck - - - src/main/webapp/app/**/*.* - Web:BoldAndItalicTagsCheck - - src/main/java/**/* - squid:S3437 - - src/main/java/**/* - squid:UndocumentedApi - - ${project.testresult.directory}/coverage/jacoco/jacoco-it.exec - ${project.testresult.directory}/coverage/jacoco/jacoco.exec - jacoco - - ${project.testresult.directory}/karma - - ${project.testresult.directory}/coverage/report-lcov/lcov.info - - ${project.testresult.directory}/coverage/report-lcov/lcov.info - - ${project.basedir}/src/main/ - ${project.testresult.directory}/surefire-reports - ${project.basedir}/src/test/ - - 2.5.0 - - Camden.SR5 - 2.6.1 - 1.4.10.Final - 1.1.0.Final - v0.21.3 - - @@ -892,5 +813,83 @@ + + + -Djava.security.egd=file:/dev/./urandom -Xmx256m + 3.6.2 + 2.0.0 + 2.5 + 3.5 + 0.4.13 + 1.2 + 5.2.8.Final + 2.6.0 + 0.7.9 + 3.21.0-GA + 1.0.0 + 1.1.0 + 0.7.0 + 3.6 + 2.0.0 + 3.6.2 + 4.8 + jdt_apt + 1.1.0.Final + 2.10 + 1.4.1 + 3.0.1 + yyyyMMddHHmmss + 3.0.0 + 3.1.3 + v6.10.0 + + + + + ${project.build.directory}/test-results + 0.0.20 + false + 3.2.2 + 2.12.1 + 3.2 + src/main/webapp/content/**/*.*, src/main/webapp/bower_components/**/*.*, src/main/webapp/i18n/*.js, target/www/**/*.* + + S3437,UndocumentedApi,BoldAndItalicTagsCheck + + + src/main/webapp/app/**/*.* + Web:BoldAndItalicTagsCheck + + src/main/java/**/* + squid:S3437 + + src/main/java/**/* + squid:UndocumentedApi + + ${project.testresult.directory}/coverage/jacoco/jacoco-it.exec + ${project.testresult.directory}/coverage/jacoco/jacoco.exec + jacoco + + ${project.testresult.directory}/karma + + ${project.testresult.directory}/coverage/report-lcov/lcov.info + + ${project.testresult.directory}/coverage/report-lcov/lcov.info + + ${project.basedir}/src/main/ + ${project.testresult.directory}/surefire-reports + ${project.basedir}/src/test/ + + 2.5.0 + + Camden.SR5 + 2.6.1 + 1.4.10.Final + 1.1.0.Final + v0.21.3 + + diff --git a/jhipster/jhipster-microservice/gateway-app/pom.xml b/jhipster/jhipster-microservice/gateway-app/pom.xml index ed0c929027..babc9e4f24 100644 --- a/jhipster/jhipster-microservice/gateway-app/pom.xml +++ b/jhipster/jhipster-microservice/gateway-app/pom.xml @@ -1,6 +1,10 @@ 4.0.0 + com.gateway + gateway-app + gateway-app + war jhipster-microservice @@ -8,97 +12,10 @@ 1.0.0-SNAPSHOT - com.gateway - gateway-app - war - gateway-app - ${maven.version} - - -Djava.security.egd=file:/dev/./urandom -Xmx256m - 3.6.2 - 2.0.0 - 3.6.0 - 1.10 - 2.5 - 3.5 - 0.4.13 - 1.3 - 1.2 - 5.2.8.Final - 2.6.0 - 0.7.9 - 3.21.0-GA - 1.0.0 - 1.1.0 - 0.7.0 - 3.6 - 2.0.0 - 3.6.2 - 4.8 - 1.3.0 - jdt_apt - 1.1.0.Final - 2.10 - 1.4.1 - 3.0.1 - yyyyMMddHHmmss - 3.0.0 - 3.1.3 - v6.10.0 - - - - - ${project.build.directory}/test-results - 0.0.20 - false - 3.2.2 - 2.12.1 - 3.2 - - src/main/webapp/content/**/*.*, src/main/webapp/bower_components/**/*.*, src/main/webapp/i18n/*.js, target/www/**/*.* - - S3437,UndocumentedApi,BoldAndItalicTagsCheck - - - src/main/webapp/app/**/*.* - Web:BoldAndItalicTagsCheck - - src/main/java/**/* - squid:S3437 - - src/main/java/**/* - squid:UndocumentedApi - - ${project.testresult.directory}/coverage/jacoco/jacoco-it.exec - ${project.testresult.directory}/coverage/jacoco/jacoco.exec - jacoco - - ${project.testresult.directory}/karma - - ${project.testresult.directory}/coverage/report-lcov/lcov.info - - ${project.testresult.directory}/coverage/report-lcov/lcov.info - - ${project.basedir}/src/main/ - ${project.testresult.directory}/surefire-reports - ${project.basedir}/src/test/ - - 2.5.0 - - Camden.SR5 - 2.6.1 - 1.4.10.Final - 1.1.0.Final - v0.21.3 - - @@ -1008,5 +925,87 @@ + + + -Djava.security.egd=file:/dev/./urandom -Xmx256m + 3.6.2 + 2.0.0 + 3.6.0 + 1.10 + 2.5 + 3.5 + 0.4.13 + 1.3 + 1.2 + 5.2.8.Final + 2.6.0 + 0.7.9 + 3.21.0-GA + 1.0.0 + 1.1.0 + 0.7.0 + 3.6 + 2.0.0 + 3.6.2 + 4.8 + 1.3.0 + jdt_apt + 1.1.0.Final + 2.10 + 1.4.1 + 3.0.1 + yyyyMMddHHmmss + 3.0.0 + 3.1.3 + v6.10.0 + + + + + ${project.build.directory}/test-results + 0.0.20 + false + 3.2.2 + 2.12.1 + 3.2 + + src/main/webapp/content/**/*.*, src/main/webapp/bower_components/**/*.*, src/main/webapp/i18n/*.js, target/www/**/*.* + + S3437,UndocumentedApi,BoldAndItalicTagsCheck + + + src/main/webapp/app/**/*.* + Web:BoldAndItalicTagsCheck + + src/main/java/**/* + squid:S3437 + + src/main/java/**/* + squid:UndocumentedApi + + ${project.testresult.directory}/coverage/jacoco/jacoco-it.exec + ${project.testresult.directory}/coverage/jacoco/jacoco.exec + jacoco + + ${project.testresult.directory}/karma + + ${project.testresult.directory}/coverage/report-lcov/lcov.info + + ${project.testresult.directory}/coverage/report-lcov/lcov.info + + ${project.basedir}/src/main/ + ${project.testresult.directory}/surefire-reports + ${project.basedir}/src/test/ + + 2.5.0 + + Camden.SR5 + 2.6.1 + 1.4.10.Final + 1.1.0.Final + v0.21.3 + diff --git a/jhipster/jhipster-monolithic/src/main/java/com/baeldung/security/AuthoritiesConstants.java b/jhipster/jhipster-monolithic/src/main/java/com/baeldung/security/AuthoritiesConstants.java index 40cf54e4f6..a28edd97de 100644 --- a/jhipster/jhipster-monolithic/src/main/java/com/baeldung/security/AuthoritiesConstants.java +++ b/jhipster/jhipster-monolithic/src/main/java/com/baeldung/security/AuthoritiesConstants.java @@ -7,6 +7,8 @@ public final class AuthoritiesConstants { public static final String ADMIN = "ROLE_ADMIN"; + public static final String MANAGER = "ROLE_MANAGER"; + public static final String USER = "ROLE_USER"; public static final String ANONYMOUS = "ROLE_ANONYMOUS"; diff --git a/jhipster/jhipster-monolithic/src/main/resources/config/liquibase/authorities.csv b/jhipster/jhipster-monolithic/src/main/resources/config/liquibase/authorities.csv index af5c6dfa18..91f05d6303 100644 --- a/jhipster/jhipster-monolithic/src/main/resources/config/liquibase/authorities.csv +++ b/jhipster/jhipster-monolithic/src/main/resources/config/liquibase/authorities.csv @@ -1,3 +1,4 @@ name ROLE_ADMIN +ROLE_MANAGER ROLE_USER diff --git a/jhipster/jhipster-uaa/gateway/pom.xml b/jhipster/jhipster-uaa/gateway/pom.xml index 52f84e4006..0f815bedad 100644 --- a/jhipster/jhipster-uaa/gateway/pom.xml +++ b/jhipster/jhipster-uaa/gateway/pom.xml @@ -1,12 +1,11 @@ 4.0.0 - com.baeldung.jhipster.gateway gateway 0.0.1-SNAPSHOT - war Gateway + war @@ -14,87 +13,6 @@ - - - 3.0.0 - 1.8 - 2.12.6 - v8.12.0 - 6.4.1 - UTF-8 - UTF-8 - ${project.build.directory}/test-results - yyyyMMddHHmmss - ${java.version} - ${java.version} - -Djava.security.egd=file:/dev/./urandom -Xmx256m - jdt_apt - false - - - - - - - 2.0.25 - - 2.0.5.RELEASE - - 5.2.17.Final - - 3.22.0-GA - - 3.5.5 - 3.6 - 2.0.1.Final - 1.2.0.Final - - - 3.1.0 - 3.8.0 - 2.10 - 3.0.0-M2 - 3.1.0 - 2.22.0 - 3.2.2 - 0.9.11 - 1.6 - 0.8.2 - 3.4.2 - 3.5.0.1254 - 2.2.5 - - - http://localhost:9001 - src/main/webapp/content/**/*.*, src/main/webapp/i18n/*.js, target/www/**/*.* - S3437,S4684,UndocumentedApi,BoldAndItalicTagsCheck - - src/main/webapp/app/**/*.* - Web:BoldAndItalicTagsCheck - - src/main/java/**/* - squid:S3437 - - src/main/java/**/* - squid:UndocumentedApi - - src/main/java/**/* - squid:S4684 - ${project.testresult.directory}/coverage/jacoco/jacoco.exec - jacoco - ${project.testresult.directory}/jest/TESTS-results-sonar.xml - ${project.testresult.directory}/lcov.info - ${project.basedir}/src/main/ - ${project.testresult.directory}/surefire-reports - ${project.basedir}/src/test/ - - - - @@ -1092,4 +1010,85 @@ + + + + 3.0.0 + 1.8 + 2.12.6 + v8.12.0 + 6.4.1 + UTF-8 + UTF-8 + ${project.build.directory}/test-results + yyyyMMddHHmmss + ${java.version} + ${java.version} + -Djava.security.egd=file:/dev/./urandom -Xmx256m + jdt_apt + false + + + + + + + 2.0.25 + + 2.0.5.RELEASE + + 5.2.17.Final + + 3.22.0-GA + + 3.5.5 + 3.6 + 2.0.1.Final + 1.2.0.Final + + + 3.1.0 + 3.8.0 + 2.10 + 3.0.0-M2 + 3.1.0 + 2.22.0 + 3.2.2 + 0.9.11 + 1.6 + 0.8.2 + 3.4.2 + 3.5.0.1254 + 2.2.5 + + + http://localhost:9001 + src/main/webapp/content/**/*.*, src/main/webapp/i18n/*.js, target/www/**/*.* + S3437,S4684,UndocumentedApi,BoldAndItalicTagsCheck + + src/main/webapp/app/**/*.* + Web:BoldAndItalicTagsCheck + + src/main/java/**/* + squid:S3437 + + src/main/java/**/* + squid:UndocumentedApi + + src/main/java/**/* + squid:S4684 + ${project.testresult.directory}/coverage/jacoco/jacoco.exec + jacoco + ${project.testresult.directory}/jest/TESTS-results-sonar.xml + ${project.testresult.directory}/lcov.info + ${project.basedir}/src/main/ + ${project.testresult.directory}/surefire-reports + ${project.basedir}/src/test/ + + + diff --git a/jhipster/jhipster-uaa/pom.xml b/jhipster/jhipster-uaa/pom.xml index e8ccaabfb0..a59b19d1fd 100644 --- a/jhipster/jhipster-uaa/pom.xml +++ b/jhipster/jhipster-uaa/pom.xml @@ -2,10 +2,9 @@ 4.0.0 - com.baeldung.jhipster - jhipster-microservice-uaa + jhipster-uaa + jhipster-uaa pom - JHipster Microservice with UAA jhipster diff --git a/jhipster/jhipster-uaa/quotes/pom.xml b/jhipster/jhipster-uaa/quotes/pom.xml index 9984f009ff..81ab23471f 100644 --- a/jhipster/jhipster-uaa/quotes/pom.xml +++ b/jhipster/jhipster-uaa/quotes/pom.xml @@ -1,12 +1,11 @@ 4.0.0 - com.baeldung.jhipster.quotes quotes 0.0.1-SNAPSHOT - war Quotes + war @@ -14,85 +13,6 @@ - - - 3.0.0 - 1.8 - 2.12.6 - v8.12.0 - 6.4.1 - UTF-8 - UTF-8 - ${project.build.directory}/test-results - yyyyMMddHHmmss - ${java.version} - ${java.version} - -Djava.security.egd=file:/dev/./urandom -Xmx256m - jdt_apt - false - - - - - - - 2.0.25 - - 2.0.5.RELEASE - - 5.2.17.Final - - 3.22.0-GA - - 3.5.5 - 3.6 - 2.0.1.Final - 1.2.0.Final - - - 3.1.0 - 3.8.0 - 2.10 - 3.0.0-M2 - 3.1.0 - 2.22.0 - 3.2.2 - 0.9.11 - 0.8.2 - 3.4.2 - 3.5.0.1254 - 2.2.5 - - - http://localhost:9001 - src/main/webapp/content/**/*.*, src/main/webapp/i18n/*.js, target/www/**/*.* - S3437,S4684,UndocumentedApi,BoldAndItalicTagsCheck - - src/main/webapp/app/**/*.* - Web:BoldAndItalicTagsCheck - - src/main/java/**/* - squid:S3437 - - src/main/java/**/* - squid:UndocumentedApi - - src/main/java/**/* - squid:S4684 - ${project.testresult.directory}/coverage/jacoco/jacoco.exec - jacoco - ${project.testresult.directory}/lcov.info - ${project.basedir}/src/main/ - ${project.testresult.directory}/surefire-reports - ${project.basedir}/src/test/ - - - - @@ -912,4 +832,83 @@ + + + + 3.0.0 + 1.8 + 2.12.6 + v8.12.0 + 6.4.1 + UTF-8 + UTF-8 + ${project.build.directory}/test-results + yyyyMMddHHmmss + ${java.version} + ${java.version} + -Djava.security.egd=file:/dev/./urandom -Xmx256m + jdt_apt + false + + + + + + + 2.0.25 + + 2.0.5.RELEASE + + 5.2.17.Final + + 3.22.0-GA + + 3.5.5 + 3.6 + 2.0.1.Final + 1.2.0.Final + + + 3.1.0 + 3.8.0 + 2.10 + 3.0.0-M2 + 3.1.0 + 2.22.0 + 3.2.2 + 0.9.11 + 0.8.2 + 3.4.2 + 3.5.0.1254 + 2.2.5 + + + http://localhost:9001 + src/main/webapp/content/**/*.*, src/main/webapp/i18n/*.js, target/www/**/*.* + S3437,S4684,UndocumentedApi,BoldAndItalicTagsCheck + + src/main/webapp/app/**/*.* + Web:BoldAndItalicTagsCheck + + src/main/java/**/* + squid:S3437 + + src/main/java/**/* + squid:UndocumentedApi + + src/main/java/**/* + squid:S4684 + ${project.testresult.directory}/coverage/jacoco/jacoco.exec + jacoco + ${project.testresult.directory}/lcov.info + ${project.basedir}/src/main/ + ${project.testresult.directory}/surefire-reports + ${project.basedir}/src/test/ + + + diff --git a/jhipster/jhipster-uaa/uaa/pom.xml b/jhipster/jhipster-uaa/uaa/pom.xml index 9c4783747a..2c4dd9d0f0 100644 --- a/jhipster/jhipster-uaa/uaa/pom.xml +++ b/jhipster/jhipster-uaa/uaa/pom.xml @@ -1,12 +1,11 @@ 4.0.0 - com.baeldung.jhipster.uaa uaa 0.0.1-SNAPSHOT - war Uaa + war @@ -14,85 +13,6 @@ - - - 3.0.0 - 1.8 - 2.12.6 - v8.12.0 - 6.4.1 - UTF-8 - UTF-8 - ${project.build.directory}/test-results - yyyyMMddHHmmss - ${java.version} - ${java.version} - -Djava.security.egd=file:/dev/./urandom -Xmx256m - jdt_apt - false - - - - - - - 2.0.25 - - 2.0.5.RELEASE - - 5.2.17.Final - - 3.22.0-GA - - 3.5.5 - 3.6 - 2.0.1.Final - 1.2.0.Final - - - 3.1.0 - 3.8.0 - 2.10 - 3.0.0-M2 - 3.1.0 - 2.22.0 - 3.2.2 - 0.9.11 - 0.8.2 - 3.4.2 - 3.5.0.1254 - 2.2.5 - - - http://localhost:9001 - src/main/webapp/content/**/*.*, src/main/webapp/i18n/*.js, target/www/**/*.* - S3437,S4684,UndocumentedApi,BoldAndItalicTagsCheck - - src/main/webapp/app/**/*.* - Web:BoldAndItalicTagsCheck - - src/main/java/**/* - squid:S3437 - - src/main/java/**/* - squid:UndocumentedApi - - src/main/java/**/* - squid:S4684 - ${project.testresult.directory}/coverage/jacoco/jacoco.exec - jacoco - ${project.testresult.directory}/lcov.info - ${project.basedir}/src/main/ - ${project.testresult.directory}/surefire-reports - ${project.basedir}/src/test/ - - - - @@ -912,4 +832,84 @@ + + + + 3.0.0 + 1.8 + 2.12.6 + v8.12.0 + 6.4.1 + UTF-8 + UTF-8 + ${project.build.directory}/test-results + yyyyMMddHHmmss + ${java.version} + ${java.version} + -Djava.security.egd=file:/dev/./urandom -Xmx256m + jdt_apt + false + + + + + + + 2.0.25 + + 2.0.5.RELEASE + + 5.2.17.Final + + 3.22.0-GA + + 3.5.5 + 3.6 + 2.0.1.Final + 1.2.0.Final + + + 3.1.0 + 3.8.0 + 2.10 + 3.0.0-M2 + 3.1.0 + 2.22.0 + 3.2.2 + 0.9.11 + 0.8.2 + 3.4.2 + 3.5.0.1254 + 2.2.5 + + + http://localhost:9001 + src/main/webapp/content/**/*.*, src/main/webapp/i18n/*.js, target/www/**/*.* + S3437,S4684,UndocumentedApi,BoldAndItalicTagsCheck + + src/main/webapp/app/**/*.* + Web:BoldAndItalicTagsCheck + + src/main/java/**/* + squid:S3437 + + src/main/java/**/* + squid:UndocumentedApi + + src/main/java/**/* + squid:S4684 + ${project.testresult.directory}/coverage/jacoco/jacoco.exec + jacoco + ${project.testresult.directory}/lcov.info + ${project.basedir}/src/main/ + ${project.testresult.directory}/surefire-reports + ${project.basedir}/src/test/ + + + + diff --git a/jhipster/pom.xml b/jhipster/pom.xml index 5132c6dc95..c50aac0c7a 100644 --- a/jhipster/pom.xml +++ b/jhipster/pom.xml @@ -5,8 +5,8 @@ com.baeldung.jhipster jhipster 1.0.0-SNAPSHOT - pom JHipster + pom parent-boot-1 @@ -15,6 +15,13 @@ ../parent-boot-1 + + + org.hibernate + hibernate-java8 + + + jhipster-monolithic jhipster-microservice diff --git a/jib/pom.xml b/jib/pom.xml index ad4011c3c4..2341fcca0c 100644 --- a/jib/pom.xml +++ b/jib/pom.xml @@ -18,11 +18,7 @@ spring-boot-starter-web - - - 1.8 - - + @@ -32,7 +28,7 @@ com.google.cloud.tools jib-maven-plugin - 0.9.10 + ${jib-maven-plugin.version} registry.hub.docker.com/baeldungjib/jib-spring-boot-app @@ -42,4 +38,7 @@ + + 0.9.10 + diff --git a/jjwt/pom.xml b/jjwt/pom.xml index 6bf9f4426a..2d03543293 100644 --- a/jjwt/pom.xml +++ b/jjwt/pom.xml @@ -5,8 +5,8 @@ io.jsonwebtoken jjwt 0.0.1-SNAPSHOT - jar jjwt + jar Exercising the JJWT diff --git a/jmeter/pom.xml b/jmeter/pom.xml index 943b75e03b..514546987d 100644 --- a/jmeter/pom.xml +++ b/jmeter/pom.xml @@ -4,9 +4,9 @@ 4.0.0 jmeter 0.0.1-SNAPSHOT - jar jmeter Intro to Performance testing using JMeter + jar parent-boot-1 diff --git a/jmh/pom.xml b/jmh/pom.xml index 1e01809fe6..70a0a398d4 100644 --- a/jmh/pom.xml +++ b/jmh/pom.xml @@ -3,9 +3,9 @@ 4.0.0 com.baeldung jmh - jar 1.0-SNAPSHOT jmh + jar http://maven.apache.org diff --git a/jooby/README.md b/jooby/README.md index 032e595354..aa867b2c56 100644 --- a/jooby/README.md +++ b/jooby/README.md @@ -1,3 +1,3 @@ ## Relevant articles: -- [Introduction to Jooby Project](http://www.baeldung.com/jooby) +- [Introduction to Jooby](http://www.baeldung.com/jooby) diff --git a/jooby/src/test/java/com/baeldung/jooby/AppLiveTest.java b/jooby/src/test/java/com/baeldung/jooby/AppLiveTest.java new file mode 100644 index 0000000000..1bd12f8bb3 --- /dev/null +++ b/jooby/src/test/java/com/baeldung/jooby/AppLiveTest.java @@ -0,0 +1,21 @@ +package com.baeldung.jooby; + +import static io.restassured.RestAssured.get; +import static org.hamcrest.Matchers.equalTo; + +import org.jooby.test.JoobyRule; +import org.junit.ClassRule; +import org.junit.Test; + +public class AppLiveTest { + + @ClassRule + public static JoobyRule app = new JoobyRule(new App()); + + @Test + public void given_defaultUrl_expect_fixedString() { + get("/").then().assertThat().body(equalTo("Hello World!")).statusCode(200) + .contentType("text/html;charset=UTF-8"); + } + +} diff --git a/jooby/src/test/java/com/baeldung/jooby/AppUnitTest.java b/jooby/src/test/java/com/baeldung/jooby/AppUnitTest.java index ab7388f5f4..9bca30e2c1 100644 --- a/jooby/src/test/java/com/baeldung/jooby/AppUnitTest.java +++ b/jooby/src/test/java/com/baeldung/jooby/AppUnitTest.java @@ -1,25 +1,12 @@ package com.baeldung.jooby; -import static io.restassured.RestAssured.get; -import static org.hamcrest.Matchers.equalTo; import static org.junit.Assert.assertEquals; -import org.jooby.test.JoobyRule; import org.jooby.test.MockRouter; -import org.junit.ClassRule; import org.junit.Test; public class AppUnitTest { - @ClassRule - public static JoobyRule app = new JoobyRule(new App()); - - @Test - public void given_defaultUrl_expect_fixedString() { - get("/").then().assertThat().body(equalTo("Hello World!")).statusCode(200) - .contentType("text/html;charset=UTF-8"); - } - @Test public void given_defaultUrl_with_mockrouter_expect_fixedString() throws Throwable { String result = new MockRouter(new App()).get("/"); diff --git a/jsf/README.md b/jsf/README.md index 6e0891182d..d96c1eb8e3 100644 --- a/jsf/README.md +++ b/jsf/README.md @@ -1,5 +1,5 @@ ### Relevant Articles: -- [Introduction to JSF Expression Language 3.0](http://www.baeldung.com/jsf-expression-language-el-3) +- [Guide to JSF Expression Language 3.0](http://www.baeldung.com/jsf-expression-language-el-3) - [Introduction to JSF EL 2](http://www.baeldung.com/intro-to-jsf-expression-language) - [JavaServer Faces (JSF) with Spring](http://www.baeldung.com/spring-jsf) - [Introduction to Primefaces](http://www.baeldung.com/jsf-primefaces) diff --git a/json/README.md b/json/README.md index 2e253a4ae9..c0ca4b00ef 100644 --- a/json/README.md +++ b/json/README.md @@ -11,3 +11,5 @@ - [Overview of JSON Pointer](https://www.baeldung.com/json-pointer) - [Introduction to the JSON Binding API (JSR 367) in Java](http://www.baeldung.com/java-json-binding-api) - [Get a Value by Key in a JSONArray](https://www.baeldung.com/java-jsonarray-get-value-by-key) +- [Iterating Over an Instance of org.json.JSONObject](https://www.baeldung.com/jsonobject-iteration) +- [Testing Web APIs with Postman Collections](https://www.baeldung.com/postman-testing-collections) diff --git a/json/pom.xml b/json/pom.xml index fce2d26db5..c76625a6fa 100644 --- a/json/pom.xml +++ b/json/pom.xml @@ -32,17 +32,17 @@ org.json json - 20171018 + ${json.version} com.google.code.gson gson - 2.8.5 + ${gson.version} com.fasterxml.jackson.core jackson-databind - 2.9.7 + ${jackson.version} javax.json.bind @@ -52,14 +52,14 @@ junit junit - 4.12 + ${junit.version} test org.glassfish javax.json - 1.1.2 + ${javax.version} org.eclipse @@ -73,6 +73,12 @@ ${commons-collections4.version} test + + org.assertj + assertj-core + ${assertj-core.version} + test + @@ -81,6 +87,10 @@ 1.0 4.1 1.0.1 + 20171018 + 2.8.5 + 1.1.2 + 3.11.1 diff --git a/json/src/main/java/com/baeldung/jsonobject/iterate/JSONObjectIterator.java b/json/src/main/java/com/baeldung/jsonobject/iterate/JSONObjectIterator.java new file mode 100644 index 0000000000..0ff8650652 --- /dev/null +++ b/json/src/main/java/com/baeldung/jsonobject/iterate/JSONObjectIterator.java @@ -0,0 +1,50 @@ +package com.baeldung.jsonobject.iterate; + +import java.util.HashMap; +import java.util.Iterator; +import java.util.Map; + +import org.json.JSONArray; +import org.json.JSONObject; + +public class JSONObjectIterator { + + private Map keyValuePairs; + + public JSONObjectIterator() { + keyValuePairs = new HashMap<>(); + } + + public void handleValue(String key, Object value) { + if (value instanceof JSONArray) { + handleJSONArray(key, (JSONArray) value); + } else if (value instanceof JSONObject) { + handleJSONObject((JSONObject) value); + } + keyValuePairs.put(key, value); + } + + public void handleJSONObject(JSONObject jsonObject) { + Iterator jsonObjectIterator = jsonObject.keys(); + jsonObjectIterator.forEachRemaining(key -> { + Object value = jsonObject.get(key); + handleValue(key, value); + }); + } + + public void handleJSONArray(String key, JSONArray jsonArray) { + Iterator jsonArrayIterator = jsonArray.iterator(); + jsonArrayIterator.forEachRemaining(element -> { + handleValue(key, element); + }); + } + + public Map getKeyValuePairs() { + return keyValuePairs; + } + + public void setKeyValuePairs(Map keyValuePairs) { + this.keyValuePairs = keyValuePairs; + } + +} diff --git a/json/src/test/java/com/baeldung/jsonobject/iterate/JSONObjectIteratorUnitTest.java b/json/src/test/java/com/baeldung/jsonobject/iterate/JSONObjectIteratorUnitTest.java new file mode 100644 index 0000000000..55cfdab53b --- /dev/null +++ b/json/src/test/java/com/baeldung/jsonobject/iterate/JSONObjectIteratorUnitTest.java @@ -0,0 +1,79 @@ +package com.baeldung.jsonobject.iterate; + +import static org.assertj.core.api.Assertions.assertThat; + +import java.util.Map; + +import org.json.JSONArray; +import org.json.JSONObject; +import org.junit.Test; + +public class JSONObjectIteratorUnitTest { + + private JSONObjectIterator jsonObjectIterator = new JSONObjectIterator(); + + @Test + public void givenJSONObject_whenIterating_thenGetKeyValuePairs() { + JSONObject jsonObject = getJsonObject(); + + jsonObjectIterator.handleJSONObject(jsonObject); + + Map keyValuePairs = jsonObjectIterator.getKeyValuePairs(); + assertThat(keyValuePairs.get("rType")).isEqualTo("Regular"); + assertThat(keyValuePairs.get("rId")).isEqualTo("1001"); + assertThat(keyValuePairs.get("cType")).isEqualTo("Chocolate"); + assertThat(keyValuePairs.get("cId")).isEqualTo("1002"); + assertThat(keyValuePairs.get("bType")).isEqualTo("BlueBerry"); + assertThat(keyValuePairs.get("bId")).isEqualTo("1003"); + assertThat(keyValuePairs.get("name")).isEqualTo("Cake"); + assertThat(keyValuePairs.get("cakeId")).isEqualTo("0001"); + assertThat(keyValuePairs.get("type")).isEqualTo("donut"); + assertThat(keyValuePairs.get("Type")).isEqualTo("Maple"); + assertThat(keyValuePairs.get("tId")).isEqualTo("5001"); + assertThat(keyValuePairs.get("batters") + .toString()).isEqualTo("[{\"rType\":\"Regular\",\"rId\":\"1001\"},{\"cType\":\"Chocolate\",\"cId\":\"1002\"},{\"bType\":\"BlueBerry\",\"bId\":\"1003\"}]"); + assertThat(keyValuePairs.get("cakeShapes") + .toString()).isEqualTo("[\"square\",\"circle\",\"heart\"]"); + assertThat(keyValuePairs.get("topping") + .toString()).isEqualTo("{\"Type\":\"Maple\",\"tId\":\"5001\"}"); + } + + private JSONObject getJsonObject() { + JSONObject cake = new JSONObject(); + cake.put("cakeId", "0001"); + cake.put("type", "donut"); + cake.put("name", "Cake"); + + JSONArray batters = new JSONArray(); + JSONObject regular = new JSONObject(); + regular.put("rId", "1001"); + regular.put("rType", "Regular"); + batters.put(regular); + JSONObject chocolate = new JSONObject(); + chocolate.put("cId", "1002"); + chocolate.put("cType", "Chocolate"); + batters.put(chocolate); + JSONObject blueberry = new JSONObject(); + blueberry.put("bId", "1003"); + blueberry.put("bType", "BlueBerry"); + batters.put(blueberry); + + JSONArray cakeShapes = new JSONArray(); + cakeShapes.put("square"); + cakeShapes.put("circle"); + cakeShapes.put("heart"); + + cake.put("cakeShapes", cakeShapes); + + cake.put("batters", batters); + + JSONObject topping = new JSONObject(); + topping.put("tId", "5001"); + topping.put("Type", "Maple"); + + cake.put("topping", topping); + + return cake; + } + +} diff --git a/jta/pom.xml b/jta/pom.xml index 4754c1872b..6a31733996 100644 --- a/jta/pom.xml +++ b/jta/pom.xml @@ -7,22 +7,15 @@ 1.0-SNAPSHOT jta jar - JEE JTA demo - org.springframework.boot - spring-boot-starter-parent - 2.0.4.RELEASE - + parent-boot-2 + com.baeldung + 0.0.1-SNAPSHOT + ../parent-boot-2 - - UTF-8 - UTF-8 - 1.8 - - org.springframework.boot @@ -46,7 +39,7 @@ org.hsqldb hsqldb - 2.4.1 + ${hsqldb.version} @@ -86,4 +79,12 @@ + + + UTF-8 + UTF-8 + 1.8 + 2.4.1 + 2.0.4.RELEASE + diff --git a/kotlin-libraries/README.md b/kotlin-libraries/README.md index 4110bfe12e..5e2526e64e 100644 --- a/kotlin-libraries/README.md +++ b/kotlin-libraries/README.md @@ -9,3 +9,4 @@ - [Working with Dates in Kotlin](https://www.baeldung.com/kotlin-dates) - [Introduction to Arrow in Kotlin](https://www.baeldung.com/kotlin-arrow) - [Kotlin with Ktor](https://www.baeldung.com/kotlin-ktor) +- [REST API With Kotlin and Kovert](https://www.baeldung.com/kotlin-kovert) diff --git a/kotlin-libraries/pom.xml b/kotlin-libraries/pom.xml index ae77a9aa2d..507e5820d4 100644 --- a/kotlin-libraries/pom.xml +++ b/kotlin-libraries/pom.xml @@ -95,6 +95,23 @@ 0.7.3 + + uy.kohesive.kovert + kovert-vertx + [1.5.0,1.6.0) + + + nl.komponents.kovenant + kovenant + + + + + nl.komponents.kovenant + kovenant + 3.3.0 + pom + @@ -110,4 +127,4 @@ 0.10.4 - \ No newline at end of file + diff --git a/core-kotlin/src/main/kotlin/com/baeldung/kovert/AnnotatedServer.kt b/kotlin-libraries/src/main/kotlin/com/baeldung/kovert/AnnotatedServer.kt similarity index 100% rename from core-kotlin/src/main/kotlin/com/baeldung/kovert/AnnotatedServer.kt rename to kotlin-libraries/src/main/kotlin/com/baeldung/kovert/AnnotatedServer.kt diff --git a/core-kotlin/src/main/kotlin/com/baeldung/kovert/ErrorServer.kt b/kotlin-libraries/src/main/kotlin/com/baeldung/kovert/ErrorServer.kt similarity index 100% rename from core-kotlin/src/main/kotlin/com/baeldung/kovert/ErrorServer.kt rename to kotlin-libraries/src/main/kotlin/com/baeldung/kovert/ErrorServer.kt diff --git a/core-kotlin/src/main/kotlin/com/baeldung/kovert/JsonServer.kt b/kotlin-libraries/src/main/kotlin/com/baeldung/kovert/JsonServer.kt similarity index 100% rename from core-kotlin/src/main/kotlin/com/baeldung/kovert/JsonServer.kt rename to kotlin-libraries/src/main/kotlin/com/baeldung/kovert/JsonServer.kt diff --git a/core-kotlin/src/main/kotlin/com/baeldung/kovert/NoopServer.kt b/kotlin-libraries/src/main/kotlin/com/baeldung/kovert/NoopServer.kt similarity index 100% rename from core-kotlin/src/main/kotlin/com/baeldung/kovert/NoopServer.kt rename to kotlin-libraries/src/main/kotlin/com/baeldung/kovert/NoopServer.kt diff --git a/core-kotlin/src/main/kotlin/com/baeldung/kovert/SecuredServer.kt b/kotlin-libraries/src/main/kotlin/com/baeldung/kovert/SecuredServer.kt similarity index 100% rename from core-kotlin/src/main/kotlin/com/baeldung/kovert/SecuredServer.kt rename to kotlin-libraries/src/main/kotlin/com/baeldung/kovert/SecuredServer.kt diff --git a/core-kotlin/src/main/kotlin/com/baeldung/kovert/SimpleServer.kt b/kotlin-libraries/src/main/kotlin/com/baeldung/kovert/SimpleServer.kt similarity index 100% rename from core-kotlin/src/main/kotlin/com/baeldung/kovert/SimpleServer.kt rename to kotlin-libraries/src/main/kotlin/com/baeldung/kovert/SimpleServer.kt diff --git a/core-kotlin/src/main/resources/kovert.conf b/kotlin-libraries/src/main/resources/kovert.conf similarity index 100% rename from core-kotlin/src/main/resources/kovert.conf rename to kotlin-libraries/src/main/resources/kovert.conf diff --git a/libraries-data/README.md b/libraries-data/README.md index 69856af66b..077961f887 100644 --- a/libraries-data/README.md +++ b/libraries-data/README.md @@ -15,3 +15,4 @@ - [Intro to Apache Storm](https://www.baeldung.com/apache-storm) - [Guide to Ebean ORM](https://www.baeldung.com/ebean-orm) - [Introduction to Kafka Connectors](https://www.baeldung.com/kafka-connectors-guide) +- [Kafka Connect Example with MQTT and MongoDB](https://www.baeldung.com/kafka-connect-mqtt-mongodb) diff --git a/libraries-data/pom.xml b/libraries-data/pom.xml index daf6c8b500..85be66c067 100644 --- a/libraries-data/pom.xml +++ b/libraries-data/pom.xml @@ -434,7 +434,6 @@ 4.0.1 1.4.196 16.5.1 - 4.12 3.7.0 5.0 1.0.0 diff --git a/libraries-data/src/main/kafka-connect/04_Custom/connect-distributed.properties b/libraries-data/src/main/kafka-connect/04_Custom/connect-distributed.properties deleted file mode 100644 index 5b91baddbd..0000000000 --- a/libraries-data/src/main/kafka-connect/04_Custom/connect-distributed.properties +++ /dev/null @@ -1,88 +0,0 @@ -## -# Licensed to the Apache Software Foundation (ASF) under one or more -# contributor license agreements. See the NOTICE file distributed with -# this work for additional information regarding copyright ownership. -# The ASF licenses this file to You under the Apache License, Version 2.0 -# (the "License"); you may not use this file except in compliance with -# the License. You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. -## - -# This file contains some of the configurations for the Kafka Connect distributed worker. This file is intended -# to be used with the examples, and some settings may differ from those used in a production system, especially -# the `bootstrap.servers` and those specifying replication factors. - -# A list of host/port pairs to use for establishing the initial connection to the Kafka cluster. -bootstrap.servers=localhost:9092 - -# unique name for the cluster, used in forming the Connect cluster group. Note that this must not conflict with consumer group IDs -group.id=connect-cluster - -# The converters specify the format of data in Kafka and how to translate it into Connect data. Every Connect user will -# need to configure these based on the format they want their data in when loaded from or stored into Kafka -key.converter=org.apache.kafka.connect.json.JsonConverter -value.converter=org.apache.kafka.connect.json.JsonConverter -# Converter-specific settings can be passed in by prefixing the Converter's setting with the converter we want to apply -# it to -key.converter.schemas.enable=true -value.converter.schemas.enable=true - -# Topic to use for storing offsets. This topic should have many partitions and be replicated and compacted. -# Kafka Connect will attempt to create the topic automatically when needed, but you can always manually create -# the topic before starting Kafka Connect if a specific topic configuration is needed. -# Most users will want to use the built-in default replication factor of 3 or in some cases even specify a larger value. -# Since this means there must be at least as many brokers as the maximum replication factor used, we'd like to be able -# to run this example on a single-broker cluster and so here we instead set the replication factor to 1. -offset.storage.topic=connect-offsets -offset.storage.replication.factor=1 -#offset.storage.partitions=25 - -# Topic to use for storing connector and task configurations; note that this should be a single partition, highly replicated, -# and compacted topic. Kafka Connect will attempt to create the topic automatically when needed, but you can always manually create -# the topic before starting Kafka Connect if a specific topic configuration is needed. -# Most users will want to use the built-in default replication factor of 3 or in some cases even specify a larger value. -# Since this means there must be at least as many brokers as the maximum replication factor used, we'd like to be able -# to run this example on a single-broker cluster and so here we instead set the replication factor to 1. -config.storage.topic=connect-configs -config.storage.replication.factor=1 - -# Topic to use for storing statuses. This topic can have multiple partitions and should be replicated and compacted. -# Kafka Connect will attempt to create the topic automatically when needed, but you can always manually create -# the topic before starting Kafka Connect if a specific topic configuration is needed. -# Most users will want to use the built-in default replication factor of 3 or in some cases even specify a larger value. -# Since this means there must be at least as many brokers as the maximum replication factor used, we'd like to be able -# to run this example on a single-broker cluster and so here we instead set the replication factor to 1. -status.storage.topic=connect-status -status.storage.replication.factor=1 -#status.storage.partitions=5 - -# Flush much faster than normal, which is useful for testing/debugging -offset.flush.interval.ms=10000 - -# These are provided to inform the user about the presence of the REST host and port configs -# Hostname & Port for the REST API to listen on. If this is set, it will bind to the interface used to listen to requests. -#rest.host.name= -#rest.port=8083 - -# The Hostname & Port that will be given out to other workers to connect to i.e. URLs that are routable from other servers. -#rest.advertised.host.name= -#rest.advertised.port= - -# Set to a list of filesystem paths separated by commas (,) to enable class loading isolation for plugins -# (connectors, converters, transformations). The list should consist of top level directories that include -# any combination of: -# a) directories immediately containing jars with plugins and their dependencies -# b) uber-jars with plugins and their dependencies -# c) directories immediately containing the package directory structure of classes of plugins and their dependencies -# Examples: -# plugin.path=/usr/local/share/java,/usr/local/share/kafka/plugins,/opt/connectors, -# Replace the relative path below with an absolute path if you are planning to start Kafka Connect from within a -# directory other than the home directory of Confluent Platform. -plugin.path=./share/java diff --git a/libraries-data/src/main/kafka-connect/04_Custom/connect-mongodb-sink.json b/libraries-data/src/main/kafka-connect/04_Custom/connect-mongodb-sink.json index 333768e4b7..852f400fc6 100644 --- a/libraries-data/src/main/kafka-connect/04_Custom/connect-mongodb-sink.json +++ b/libraries-data/src/main/kafka-connect/04_Custom/connect-mongodb-sink.json @@ -1,22 +1,14 @@ { - "firstName": "John", - "lastName": "Smith", - "age": 25, - "address": { - "streetAddress": "21 2nd Street", - "city": "New York", - "state": "NY", - "postalCode": "10021" - }, - "phoneNumber": [{ - "type": "home", - "number": "212 555-1234" - }, { - "type": "fax", - "number": "646 555-4567" - } - ], - "gender": { - "type": "male" + "name": "mongodb-sink", + "config": { + "connector.class": "at.grahsl.kafka.connect.mongodb.MongoDbSinkConnector", + "tasks.max": 1, + "topics": "connect-custom", + "mongodb.connection.uri": "mongodb://mongo-db/test?retryWrites=true", + "mongodb.collection": "MyCollection", + "key.converter": "org.apache.kafka.connect.json.JsonConverter", + "key.converter.schemas.enable": false, + "value.converter": "org.apache.kafka.connect.json.JsonConverter", + "value.converter.schemas.enable": false } } diff --git a/libraries-data/src/main/kafka-connect/04_Custom/connect-mqtt-source.json b/libraries-data/src/main/kafka-connect/04_Custom/connect-mqtt-source.json index 02d87c5ad7..c76d326c0a 100644 --- a/libraries-data/src/main/kafka-connect/04_Custom/connect-mqtt-source.json +++ b/libraries-data/src/main/kafka-connect/04_Custom/connect-mqtt-source.json @@ -3,9 +3,11 @@ "config": { "connector.class": "io.confluent.connect.mqtt.MqttSourceConnector", "tasks.max": 1, - "mqtt.server.uri": "ws://broker.hivemq.com:8000/mqtt", + "mqtt.server.uri": "tcp://mosquitto:1883", "mqtt.topics": "baeldung", "kafka.topic": "connect-custom", - "value.converter": "org.apache.kafka.connect.converters.ByteArrayConverter" + "value.converter": "org.apache.kafka.connect.converters.ByteArrayConverter", + "confluent.topic.bootstrap.servers": "kafka:9092", + "confluent.topic.replication.factor": 1 } -} +} \ No newline at end of file diff --git a/libraries-data/src/main/kafka-connect/04_Custom/docker-compose.yaml b/libraries-data/src/main/kafka-connect/04_Custom/docker-compose.yaml new file mode 100644 index 0000000000..26cd653335 --- /dev/null +++ b/libraries-data/src/main/kafka-connect/04_Custom/docker-compose.yaml @@ -0,0 +1,94 @@ +version: '3.3' + +services: + mosquitto: + image: eclipse-mosquitto:1.5.5 + hostname: mosquitto + container_name: mosquitto + expose: + - "1883" + ports: + - "1883:1883" + zookeeper: + image: zookeeper:3.4.9 + restart: unless-stopped + hostname: zookeeper + container_name: zookeeper + ports: + - "2181:2181" + environment: + ZOO_MY_ID: 1 + ZOO_PORT: 2181 + ZOO_SERVERS: server.1=zookeeper:2888:3888 + volumes: + - ./zookeeper/data:/data + - ./zookeeper/datalog:/datalog + kafka: + image: confluentinc/cp-kafka:5.1.0 + hostname: kafka + container_name: kafka + ports: + - "9092:9092" + environment: + KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT + KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:9092,PLAINTEXT_HOST://localhost:29092 + KAFKA_ZOOKEEPER_CONNECT: "zookeeper:2181" + KAFKA_BROKER_ID: 1 + KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1 + volumes: + - ./kafka/data:/var/lib/kafka/data + depends_on: + - zookeeper + kafka-connect: + image: confluentinc/cp-kafka-connect:5.1.0 + hostname: kafka-connect + container_name: kafka-connect + ports: + - "8083:8083" + environment: + CONNECT_BOOTSTRAP_SERVERS: "kafka:9092" + CONNECT_REST_ADVERTISED_HOST_NAME: connect + CONNECT_REST_PORT: 8083 + CONNECT_GROUP_ID: compose-connect-group + CONNECT_CONFIG_STORAGE_TOPIC: docker-connect-configs + CONNECT_OFFSET_STORAGE_TOPIC: docker-connect-offsets + CONNECT_STATUS_STORAGE_TOPIC: docker-connect-status + CONNECT_KEY_CONVERTER: org.apache.kafka.connect.json.JsonConverter + CONNECT_VALUE_CONVERTER: org.apache.kafka.connect.json.JsonConverter + CONNECT_INTERNAL_KEY_CONVERTER: "org.apache.kafka.connect.json.JsonConverter" + CONNECT_INTERNAL_VALUE_CONVERTER: "org.apache.kafka.connect.json.JsonConverter" + CONNECT_CONFIG_STORAGE_REPLICATION_FACTOR: "1" + CONNECT_OFFSET_STORAGE_REPLICATION_FACTOR: "1" + CONNECT_STATUS_STORAGE_REPLICATION_FACTOR: "1" + CONNECT_PLUGIN_PATH: '/usr/share/java,/etc/kafka-connect/jars' + CONNECT_CONFLUENT_TOPIC_REPLICATION_FACTOR: 1 + volumes: + - /tmp/custom/jars:/etc/kafka-connect/jars + depends_on: + - zookeeper + - kafka + - mosquitto + mongo-db: + image: mongo:4.0.5 + hostname: mongo-db + container_name: mongo-db + expose: + - "27017" + ports: + - "27017:27017" + command: --bind_ip_all --smallfiles + volumes: + - ./mongo-db:/data + mongoclient: + image: mongoclient/mongoclient:2.2.0 + container_name: mongoclient + hostname: mongoclient + depends_on: + - mongo-db + ports: + - 3000:3000 + environment: + MONGO_URL: "mongodb://mongo-db:27017" + PORT: 3000 + expose: + - "3000" \ No newline at end of file diff --git a/libraries-security/pom.xml b/libraries-security/pom.xml index 3077abc29c..9f125361ba 100644 --- a/libraries-security/pom.xml +++ b/libraries-security/pom.xml @@ -23,7 +23,7 @@ org.springframework.security.oauth spring-security-oauth2 - 2.3.3.RELEASE + ${spring-security-oauth2.version} @@ -41,21 +41,20 @@ org.passay passay - 1.3.1 + ${passay.version} org.cryptacular cryptacular - 1.2.2 + ${cryptacular.version} - - 4.12 2.0.4.RELEASE 5.6.0 + 2.3.3.RELEASE + 1.3.1 + 1.2.2 - - diff --git a/libraries-server/README.md b/libraries-server/README.md index 28f963ade8..75c12fd61a 100644 --- a/libraries-server/README.md +++ b/libraries-server/README.md @@ -7,3 +7,4 @@ - [Creating and Configuring Jetty 9 Server in Java](http://www.baeldung.com/jetty-java-programmatic) - [Testing Netty with EmbeddedChannel](http://www.baeldung.com/testing-netty-embedded-channel) - [MQTT Client in Java](https://www.baeldung.com/java-mqtt-client) +- [Guide to XMPP Smack Client](https://www.baeldung.com/xmpp-smack-chat-client) diff --git a/libraries-server/pom.xml b/libraries-server/pom.xml index 661f5f01d5..a6ead8fb31 100644 --- a/libraries-server/pom.xml +++ b/libraries-server/pom.xml @@ -5,16 +5,17 @@ 0.0.1-SNAPSHOT libraries-server - + com.baeldung parent-modules 1.0.0-SNAPSHOT - + + org.eclipse.paho org.eclipse.paho.client.mqttv3 - 1.2.0 + ${eclipse.paho.client.mqttv3.version} @@ -71,6 +72,30 @@ tomcat-catalina ${tomcat.version} + + + org.igniterealtime.smack + smack-tcp + ${smack.version} + + + + org.igniterealtime.smack + smack-im + ${smack.version} + + + + org.igniterealtime.smack + smack-extensions + ${smack.version} + + + + org.igniterealtime.smack + smack-java7 + ${smack.version} + @@ -80,8 +105,9 @@ 9.4.8.v20171121 4.1.20.Final 4.1 - 4.12 8.5.24 + 4.3.1 + 1.2.0 \ No newline at end of file diff --git a/libraries-server/src/main/java/com/baeldung/smack/StanzaThread.java b/libraries-server/src/main/java/com/baeldung/smack/StanzaThread.java new file mode 100644 index 0000000000..72db258164 --- /dev/null +++ b/libraries-server/src/main/java/com/baeldung/smack/StanzaThread.java @@ -0,0 +1,40 @@ +package com.baeldung.smack; + +import org.jivesoftware.smack.AbstractXMPPConnection; +import org.jivesoftware.smack.chat2.Chat; +import org.jivesoftware.smack.chat2.ChatManager; +import org.jivesoftware.smack.tcp.XMPPTCPConnection; +import org.jivesoftware.smack.tcp.XMPPTCPConnectionConfiguration; +import org.jxmpp.jid.impl.JidCreate; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class StanzaThread implements Runnable { + + private Logger logger = LoggerFactory.getLogger(StanzaThread.class); + + @Override + public void run() { + XMPPTCPConnectionConfiguration config = null; + try { + config = XMPPTCPConnectionConfiguration.builder() + .setUsernameAndPassword("baeldung2","baeldung2") + .setXmppDomain("jabb3r.org") + .setHost("jabb3r.org") + .build(); + + AbstractXMPPConnection connection = new XMPPTCPConnection(config); + connection.connect(); + connection.login(); + + ChatManager chatManager = ChatManager.getInstanceFor(connection); + + Chat chat = chatManager.chatWith(JidCreate.from("baeldung@jabb3r.org").asEntityBareJidOrThrow()); + + chat.send("Hello!"); + + } catch (Exception e) { + logger.error(e.getMessage(), e); + } + } +} diff --git a/libraries-server/src/test/java/com/baeldung/smack/SmackIntegrationTest.java b/libraries-server/src/test/java/com/baeldung/smack/SmackIntegrationTest.java new file mode 100644 index 0000000000..1e5e36ce24 --- /dev/null +++ b/libraries-server/src/test/java/com/baeldung/smack/SmackIntegrationTest.java @@ -0,0 +1,85 @@ +package com.baeldung.smack; + +import org.jivesoftware.smack.AbstractXMPPConnection; +import org.jivesoftware.smack.SmackException; +import org.jivesoftware.smack.XMPPException; +import org.jivesoftware.smack.chat2.ChatManager; +import org.jivesoftware.smack.filter.StanzaTypeFilter; +import org.jivesoftware.smack.packet.Message; +import org.jivesoftware.smack.tcp.XMPPTCPConnection; +import org.jivesoftware.smack.tcp.XMPPTCPConnectionConfiguration; +import org.junit.Assert; +import org.junit.BeforeClass; +import org.junit.Test; +import org.jxmpp.stringprep.XmppStringprepException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.util.concurrent.CountDownLatch; + +public class SmackIntegrationTest { + + private static AbstractXMPPConnection connection; + private Logger logger = LoggerFactory.getLogger(SmackIntegrationTest.class); + + @BeforeClass + public static void setup() throws IOException, InterruptedException, XMPPException, SmackException { + + XMPPTCPConnectionConfiguration config = XMPPTCPConnectionConfiguration.builder() + .setUsernameAndPassword("baeldung","baeldung") + .setXmppDomain("jabb3r.org") + .setHost("jabb3r.org") + .build(); + + XMPPTCPConnectionConfiguration config2 = XMPPTCPConnectionConfiguration.builder() + .setUsernameAndPassword("baeldung2","baeldung2") + .setXmppDomain("jabb3r.org") + .setHost("jabb3r.org") + .build(); + + connection = new XMPPTCPConnection(config); + connection.connect(); + connection.login(); + + } + + @Test + public void whenSendMessageWithChat_thenReceiveMessage() throws XmppStringprepException, InterruptedException { + + CountDownLatch latch = new CountDownLatch(1); + ChatManager chatManager = ChatManager.getInstanceFor(connection); + final String[] expected = {null}; + + new StanzaThread().run(); + + chatManager.addIncomingListener((entityBareJid, message, chat) -> { + logger.info("Message arrived: " + message.getBody()); + expected[0] = message.getBody(); + latch.countDown(); + }); + + latch.await(); + Assert.assertEquals("Hello!", expected[0]); + } + + @Test + public void whenSendMessage_thenReceiveMessageWithFilter() throws XmppStringprepException, InterruptedException { + + CountDownLatch latch = new CountDownLatch(1); + final String[] expected = {null}; + + new StanzaThread().run(); + + connection.addAsyncStanzaListener(stanza -> { + if (stanza instanceof Message) { + Message message = (Message) stanza; + expected[0] = message.getBody(); + latch.countDown(); + } + }, StanzaTypeFilter.MESSAGE); + + latch.await(); + Assert.assertEquals("Hello!", expected[0]); + } +} diff --git a/libraries/README.md b/libraries/README.md index b247caedda..57f22631f1 100644 --- a/libraries/README.md +++ b/libraries/README.md @@ -64,7 +64,9 @@ - [Exactly Once Processing in Kafka](https://www.baeldung.com/kafka-exactly-once) - [An Introduction to SuanShu](https://www.baeldung.com/suanshu) - [Implementing a FTP-Client in Java](http://www.baeldung.com/java-ftp-client) -- [Introduction to Functional Java](https://www.baeldung.com/java-functional-library +- [Introduction to Functional Java](https://www.baeldung.com/java-functional-library) +- [Intro to Derive4J](https://www.baeldung.com/derive4j) +- [A Guide to the Reflections Library](https://www.baeldung.com/reflections-library) The libraries module contains examples related to small libraries that are relatively easy to use and does not require any separate module of its own. diff --git a/libraries/log4j.properties b/libraries/log4j.properties index 2173c5d96f..ed367509d1 100644 --- a/libraries/log4j.properties +++ b/libraries/log4j.properties @@ -1 +1,5 @@ log4j.rootLogger=INFO, stdout +log4j.appender.stdout=org.apache.log4j.ConsoleAppender +log4j.appender.stdout.Target=System.out +log4j.appender.stdout.layout=org.apache.log4j.PatternLayout +log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n \ No newline at end of file diff --git a/libraries/pom.xml b/libraries/pom.xml index a49570b029..a3a87876d1 100644 --- a/libraries/pom.xml +++ b/libraries/pom.xml @@ -223,6 +223,12 @@ serenity-spring ${serenity.version} test + + + org.springframework + spring-test + + net.serenity-bdd @@ -318,6 +324,12 @@ pact-jvm-consumer-junit_2.11 ${pact.version} test + + + org.codehaus.groovy + groovy-all + + org.codehaus.groovy @@ -690,6 +702,18 @@ ${mockftpserver.version} test + + org.asciidoctor + asciidoctor-maven-plugin + 1.5.7.1 + + + + org.reflections + reflections + ${reflections.version} + + @@ -701,10 +725,6 @@ bintray http://dl.bintray.com/cuba-platform/main - - Apache Staging - https://repository.apache.org/content/groups/staging - nm-repo Numerical Method's Maven Repository @@ -748,7 +768,7 @@ JDO ${basedir}/datanucleus.properties ${basedir}/log4j.properties - true + false false @@ -840,7 +860,6 @@ 1.9.0 1.9.27 1.1.0 - 4.12 0.10 3.5.0 3.0.0 @@ -911,6 +930,8 @@ 1.1.0 2.7.1 3.6 + 0.9.11 + diff --git a/libraries/src/main/java/com/baeldung/derive4j/lazy/LazyRequest.java b/libraries/src/main/java/com/baeldung/derive4j/lazy/LazyRequest.java index 9f53f3d25b..bee947df12 100644 --- a/libraries/src/main/java/com/baeldung/derive4j/lazy/LazyRequest.java +++ b/libraries/src/main/java/com/baeldung/derive4j/lazy/LazyRequest.java @@ -6,7 +6,7 @@ import org.derive4j.Make; @Data(value = @Derive( inClass = "{ClassName}Impl", - make = {Make.lazyConstructor, Make.constructors} + make = {Make.lazyConstructor, Make.constructors, Make.getters} )) public interface LazyRequest { interface Cases{ diff --git a/libraries/src/main/java/com/baeldung/reflections/ReflectionsApp.java b/libraries/src/main/java/com/baeldung/reflections/ReflectionsApp.java new file mode 100644 index 0000000000..30da8ea837 --- /dev/null +++ b/libraries/src/main/java/com/baeldung/reflections/ReflectionsApp.java @@ -0,0 +1,71 @@ +package com.baeldung.reflections; + +import java.lang.reflect.Constructor; +import java.lang.reflect.Method; +import java.util.Date; +import java.util.Set; +import java.util.regex.Pattern; + +import org.reflections.Reflections; +import org.reflections.scanners.MethodAnnotationsScanner; +import org.reflections.scanners.MethodParameterScanner; +import org.reflections.scanners.ResourcesScanner; +import org.reflections.scanners.Scanner; +import org.reflections.scanners.SubTypesScanner; +import org.reflections.util.ClasspathHelper; +import org.reflections.util.ConfigurationBuilder; + +public class ReflectionsApp { + + public Set> getReflectionsSubTypes() { + Reflections reflections = new Reflections("org.reflections"); + Set> scannersSet = reflections.getSubTypesOf(Scanner.class); + return scannersSet; + } + + public Set> getJDKFunctinalInterfaces() { + Reflections reflections = new Reflections("java.util.function"); + Set> typesSet = reflections.getTypesAnnotatedWith(FunctionalInterface.class); + return typesSet; + } + + public Set getDateDeprecatedMethods() { + Reflections reflections = new Reflections(java.util.Date.class, new MethodAnnotationsScanner()); + Set deprecatedMethodsSet = reflections.getMethodsAnnotatedWith(Deprecated.class); + return deprecatedMethodsSet; + } + + @SuppressWarnings("rawtypes") + public Set getDateDeprecatedConstructors() { + Reflections reflections = new Reflections(java.util.Date.class, new MethodAnnotationsScanner()); + Set constructorsSet = reflections.getConstructorsAnnotatedWith(Deprecated.class); + return constructorsSet; + } + + public Set getMethodsWithDateParam() { + Reflections reflections = new Reflections(java.text.SimpleDateFormat.class, new MethodParameterScanner()); + Set methodsSet = reflections.getMethodsMatchParams(Date.class); + return methodsSet; + } + + public Set getMethodsWithVoidReturn() { + Reflections reflections = new Reflections(java.text.SimpleDateFormat.class, new MethodParameterScanner()); + Set methodsSet = reflections.getMethodsReturn(void.class); + return methodsSet; + } + + public Set getPomXmlPaths() { + Reflections reflections = new Reflections(new ResourcesScanner()); + Set resourcesSet = reflections.getResources(Pattern.compile(".*pom\\.xml")); + return resourcesSet; + } + + public Set> getReflectionsSubTypesUsingBuilder() { + Reflections reflections = new Reflections(new ConfigurationBuilder().setUrls(ClasspathHelper.forPackage("org.reflections")) + .setScanners(new SubTypesScanner())); + + Set> scannersSet = reflections.getSubTypesOf(Scanner.class); + return scannersSet; + } + +} diff --git a/libraries/src/test/java/com/baeldung/google/sheets/GoogleSheetsIntegrationTest.java b/libraries/src/test/java/com/baeldung/google/sheets/GoogleSheetsLiveTest.java similarity index 99% rename from libraries/src/test/java/com/baeldung/google/sheets/GoogleSheetsIntegrationTest.java rename to libraries/src/test/java/com/baeldung/google/sheets/GoogleSheetsLiveTest.java index ba1861937b..358b3390f9 100644 --- a/libraries/src/test/java/com/baeldung/google/sheets/GoogleSheetsIntegrationTest.java +++ b/libraries/src/test/java/com/baeldung/google/sheets/GoogleSheetsLiveTest.java @@ -26,7 +26,7 @@ import com.google.api.services.sheets.v4.model.ValueRange; import static org.assertj.core.api.Assertions.*; -public class GoogleSheetsIntegrationTest { +public class GoogleSheetsLiveTest { private static Sheets sheetsService; diff --git a/libraries/src/test/java/com/baeldung/reflections/ReflectionsUnitTest.java b/libraries/src/test/java/com/baeldung/reflections/ReflectionsUnitTest.java new file mode 100644 index 0000000000..9a3ef0747b --- /dev/null +++ b/libraries/src/test/java/com/baeldung/reflections/ReflectionsUnitTest.java @@ -0,0 +1,50 @@ +package com.baeldung.reflections; + +import static org.junit.jupiter.api.Assertions.assertFalse; + +import org.junit.jupiter.api.Test; + +public class ReflectionsUnitTest { + + @Test + public void givenTypeThenGetAllSubTypes() { + ReflectionsApp reflectionsApp = new ReflectionsApp(); + assertFalse(reflectionsApp.getReflectionsSubTypes() + .isEmpty()); + } + + @Test + public void givenTypeAndUsingBuilderThenGetAllSubTypes() { + ReflectionsApp reflectionsApp = new ReflectionsApp(); + assertFalse(reflectionsApp.getReflectionsSubTypesUsingBuilder() + .isEmpty()); + } + + @Test + public void givenAnnotationThenGetAllAnnotatedMethods() { + ReflectionsApp reflectionsApp = new ReflectionsApp(); + assertFalse(reflectionsApp.getDateDeprecatedMethods() + .isEmpty()); + } + + @Test + public void givenAnnotationThenGetAllAnnotatedConstructors() { + ReflectionsApp reflectionsApp = new ReflectionsApp(); + assertFalse(reflectionsApp.getDateDeprecatedConstructors() + .isEmpty()); + } + + @Test + public void givenParamTypeThenGetAllMethods() { + ReflectionsApp reflectionsApp = new ReflectionsApp(); + assertFalse(reflectionsApp.getMethodsWithDateParam() + .isEmpty()); + } + + @Test + public void givenReturnTypeThenGetAllMethods() { + ReflectionsApp reflectionsApp = new ReflectionsApp(); + assertFalse(reflectionsApp.getMethodsWithVoidReturn() + .isEmpty()); + } +} diff --git a/libraries/src/test/java/com/baeldung/smooks/converter/SmooksIntegrationTest.java b/libraries/src/test/java/com/baeldung/smooks/converter/SmooksIntegrationTest.java index 69af042427..df7fea58f8 100644 --- a/libraries/src/test/java/com/baeldung/smooks/converter/SmooksIntegrationTest.java +++ b/libraries/src/test/java/com/baeldung/smooks/converter/SmooksIntegrationTest.java @@ -12,9 +12,10 @@ import static org.junit.Assert.*; public class SmooksIntegrationTest { - private static final String EDIFACT_MESSAGE = "UNA:+.? '\r\n" + "UNH+771+IN_PROGRESS+2018-01-14'\r\n" + "CTA+CompanyX+1234567'\r\n" + "LIN+1+PX1234+9.99'\r\n" + "LIN+2+RX990+120.32'\r\n"; - private static final String EMAIL_MESSAGE = "Hi,\r\n" + "Order number #771 created on 2018-01-14 is currently in IN_PROGRESS status.\r\n" + "Consider contact supplier \"CompanyX\" with phone number: \"1234567\".\r\n" + "Order items:\r\n" - + "1 X PX1234 (total price 9.99)\r\n" + "2 X RX990 (total price 240.64)\r\n"; + private static final String EDIFACT_MESSAGE = "UNA:+.? '" + System.lineSeparator() + "UNH+771+IN_PROGRESS+2018-01-14'" + System.lineSeparator() + "CTA+CompanyX+1234567'" + System.lineSeparator() + "LIN+1+PX1234+9.99'" + System.lineSeparator() + + "LIN+2+RX990+120.32'" + System.lineSeparator(); + private static final String EMAIL_MESSAGE = "Hi," + System.lineSeparator() + "Order number #771 created on 2018-01-14 is currently in IN_PROGRESS status." + System.lineSeparator() + "Consider contact supplier \"CompanyX\" with phone number: \"1234567\"." + + System.lineSeparator() + "Order items:" + System.lineSeparator() + "1 X PX1234 (total price 9.99)" + System.lineSeparator() + "2 X RX990 (total price 240.64)" + System.lineSeparator(); @Test public void givenOrderXML_whenConvert_thenPOJOsConstructedCorrectly() throws Exception { @@ -37,7 +38,10 @@ public class SmooksIntegrationTest { assertThat(validationResult.getErrors(), hasSize(1)); // 1234567 didn't match ^[0-9\\-\\+]{9,15}$ - assertThat(validationResult.getErrors().get(0).getFailRuleResult().getRuleName(), is("supplierPhone")); + assertThat(validationResult.getErrors() + .get(0) + .getFailRuleResult() + .getRuleName(), is("supplierPhone")); } @Test diff --git a/logging-modules/logback/pom.xml b/logging-modules/logback/pom.xml index ef7adbc3ea..845424af0c 100644 --- a/logging-modules/logback/pom.xml +++ b/logging-modules/logback/pom.xml @@ -4,9 +4,9 @@ http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 - logback logback 0.1-SNAPSHOT + logback com.baeldung diff --git a/logging-modules/pom.xml b/logging-modules/pom.xml new file mode 100644 index 0000000000..a303e50ff1 --- /dev/null +++ b/logging-modules/pom.xml @@ -0,0 +1,23 @@ + + + 4.0.0 + logging-modules + logging-modules + pom + + + com.baeldung + parent-modules + 1.0.0-SNAPSHOT + .. + + + + log4j + log4j2 + logback + log-mdc + + + diff --git a/lombok-custom/README.md b/lombok-custom/README.md new file mode 100644 index 0000000000..bfc784ea7e --- /dev/null +++ b/lombok-custom/README.md @@ -0,0 +1,3 @@ +## Relevant articles: + +- [Implementing a Custom Lombok Annotation](https://www.baeldung.com/lombok-custom-annotation) diff --git a/lombok-custom/pom.xml b/lombok-custom/pom.xml index 41bd042a5e..cfbe629945 100644 --- a/lombok-custom/pom.xml +++ b/lombok-custom/pom.xml @@ -2,34 +2,36 @@ + + 4.0.0 + lombok-custom + lombok-custom + 0.1-SNAPSHOT + parent-modules com.baeldung 1.0.0-SNAPSHOT - - 4.0.0 - lombok-custom - 0.1-SNAPSHOT - + org.projectlombok lombok - 1.14.8 + ${lombok.version} provided org.kohsuke.metainf-services metainf-services - 1.8 + ${metainf-services.version} org.eclipse.jdt core - 3.3.0-v_771 + ${eclipse.jdt.core.version} @@ -54,5 +56,12 @@ + + + 1.14.8 + 1.8 + 3.3.0-v_771 + - \ No newline at end of file + + diff --git a/lombok/README.md b/lombok/README.md index bd6282fd18..e3d08d4e26 100644 --- a/lombok/README.md +++ b/lombok/README.md @@ -5,3 +5,5 @@ - [Lombok @Builder with Inheritance](https://www.baeldung.com/lombok-builder-inheritance) - [Lombok Builder with Default Value](https://www.baeldung.com/lombok-builder-default-value) - [Lombok Builder with Custom Setter](https://www.baeldung.com/lombok-builder-custom-setter) +- [Setting up Lombok with Eclipse and Intellij](https://www.baeldung.com/lombok-ide) + diff --git a/lombok/pom.xml b/lombok/pom.xml index 7ad2e3dc83..2acf9e240d 100644 --- a/lombok/pom.xml +++ b/lombok/pom.xml @@ -76,11 +76,11 @@ - 1.16.18 + 1.18.4 1.0.0.Final - 1.16.10.0 + 1.18.4.0 3.8.0 diff --git a/lombok/src/main/java/com/baeldung/lombok/builder/Child.java b/lombok/src/main/java/com/baeldung/lombok/builder/inheritance/buildermethodname/Child.java similarity index 86% rename from lombok/src/main/java/com/baeldung/lombok/builder/Child.java rename to lombok/src/main/java/com/baeldung/lombok/builder/inheritance/buildermethodname/Child.java index 70f6d9c46e..4cfcc22fb2 100644 --- a/lombok/src/main/java/com/baeldung/lombok/builder/Child.java +++ b/lombok/src/main/java/com/baeldung/lombok/builder/inheritance/buildermethodname/Child.java @@ -1,4 +1,4 @@ -package com.baeldung.lombok.builder; +package com.baeldung.lombok.builder.inheritance.buildermethodname; import lombok.Builder; import lombok.Getter; diff --git a/lombok/src/main/java/com/baeldung/lombok/builder/Parent.java b/lombok/src/main/java/com/baeldung/lombok/builder/inheritance/buildermethodname/Parent.java similarity index 70% rename from lombok/src/main/java/com/baeldung/lombok/builder/Parent.java rename to lombok/src/main/java/com/baeldung/lombok/builder/inheritance/buildermethodname/Parent.java index 0cf76d4b00..93e48ee44e 100644 --- a/lombok/src/main/java/com/baeldung/lombok/builder/Parent.java +++ b/lombok/src/main/java/com/baeldung/lombok/builder/inheritance/buildermethodname/Parent.java @@ -1,4 +1,4 @@ -package com.baeldung.lombok.builder; +package com.baeldung.lombok.builder.inheritance.buildermethodname; import lombok.Builder; import lombok.Getter; diff --git a/lombok/src/main/java/com/baeldung/lombok/builder/inheritance/buildermethodname/Student.java b/lombok/src/main/java/com/baeldung/lombok/builder/inheritance/buildermethodname/Student.java new file mode 100644 index 0000000000..c8eea84b97 --- /dev/null +++ b/lombok/src/main/java/com/baeldung/lombok/builder/inheritance/buildermethodname/Student.java @@ -0,0 +1,16 @@ +package com.baeldung.lombok.builder.inheritance.buildermethodname; + +import lombok.Builder; +import lombok.Getter; + +@Getter +public class Student extends Child { + + private final String schoolName; + + @Builder(builderMethodName = "studentBuilder") + public Student(String parentName, int parentAge, String childName, int childAge, String schoolName) { + super(parentName, parentAge, childName, childAge); + this.schoolName = schoolName; + } +} diff --git a/lombok/src/main/java/com/baeldung/lombok/builder/inheritance/superbuilder/Child.java b/lombok/src/main/java/com/baeldung/lombok/builder/inheritance/superbuilder/Child.java new file mode 100644 index 0000000000..92285ebdc3 --- /dev/null +++ b/lombok/src/main/java/com/baeldung/lombok/builder/inheritance/superbuilder/Child.java @@ -0,0 +1,11 @@ +package com.baeldung.lombok.builder.inheritance.superbuilder; + +import lombok.Getter; +import lombok.experimental.SuperBuilder; + +@Getter +@SuperBuilder(toBuilder = true) +public class Child extends Parent { + private final String childName; + private final int childAge; +} diff --git a/lombok/src/main/java/com/baeldung/lombok/builder/inheritance/superbuilder/Parent.java b/lombok/src/main/java/com/baeldung/lombok/builder/inheritance/superbuilder/Parent.java new file mode 100644 index 0000000000..b8e0934520 --- /dev/null +++ b/lombok/src/main/java/com/baeldung/lombok/builder/inheritance/superbuilder/Parent.java @@ -0,0 +1,11 @@ +package com.baeldung.lombok.builder.inheritance.superbuilder; + +import lombok.Getter; +import lombok.experimental.SuperBuilder; + +@Getter +@SuperBuilder(toBuilder = true) +public class Parent { + private final String parentName; + private final int parentAge; +} diff --git a/lombok/src/main/java/com/baeldung/lombok/builder/inheritance/superbuilder/Student.java b/lombok/src/main/java/com/baeldung/lombok/builder/inheritance/superbuilder/Student.java new file mode 100644 index 0000000000..db43bacafa --- /dev/null +++ b/lombok/src/main/java/com/baeldung/lombok/builder/inheritance/superbuilder/Student.java @@ -0,0 +1,10 @@ +package com.baeldung.lombok.builder.inheritance.superbuilder; + +import lombok.Getter; +import lombok.experimental.SuperBuilder; + +@Getter +@SuperBuilder(toBuilder = true) +public class Student extends Child { + private final String schoolName; +} diff --git a/lombok/src/main/java/com/baeldung/lombok/getter/GetterLazy.java b/lombok/src/main/java/com/baeldung/lombok/getter/GetterLazy.java new file mode 100644 index 0000000000..5ac82a74d8 --- /dev/null +++ b/lombok/src/main/java/com/baeldung/lombok/getter/GetterLazy.java @@ -0,0 +1,36 @@ +package com.baeldung.lombok.getter; + +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.stream.Collectors; +import java.util.stream.Stream; + +import lombok.Getter; + +public class GetterLazy { + + private static final String DELIMETER = ","; + + @Getter(lazy = true) + private final Map transactions = readTxnsFromFile(); + + private Map readTxnsFromFile() { + + final Map cache = new HashMap<>(); + List txnRows = readTxnListFromFile(); + + txnRows.forEach(s -> { + String[] txnIdValueTuple = s.split(DELIMETER); + cache.put(txnIdValueTuple[0], Long.parseLong(txnIdValueTuple[1])); + }); + + return cache; + } + + private List readTxnListFromFile() { + + // read large file + return Stream.of("file content here").collect(Collectors.toList()); + } +} diff --git a/lombok/src/test/java/com/baeldung/lombok/builder/BuilderUnitTest.java b/lombok/src/test/java/com/baeldung/lombok/builder/BuilderUnitTest.java index 56a380569d..546c38f140 100644 --- a/lombok/src/test/java/com/baeldung/lombok/builder/BuilderUnitTest.java +++ b/lombok/src/test/java/com/baeldung/lombok/builder/BuilderUnitTest.java @@ -40,20 +40,4 @@ public class BuilderUnitTest { assertThat(testImmutableClient.getName()).isEqualTo("foo"); assertThat(testImmutableClient.getId()).isEqualTo(1); } - - @Test - public void givenBuilderAtMethodLevel_ChildInheritingParentIsBuilt() { - Child child = Child.childBuilder() - .parentName("Andrea") - .parentAge(38) - .childName("Emma") - .childAge(6) - .build(); - - assertThat(child.getChildName()).isEqualTo("Emma"); - assertThat(child.getChildAge()).isEqualTo(6); - assertThat(child.getParentName()).isEqualTo("Andrea"); - assertThat(child.getParentAge()).isEqualTo(38); - } - } diff --git a/lombok/src/test/java/com/baeldung/lombok/builder/inheritance/buildermethodname/BuilderInheritanceUsingMethodNameUnitTest.java b/lombok/src/test/java/com/baeldung/lombok/builder/inheritance/buildermethodname/BuilderInheritanceUsingMethodNameUnitTest.java new file mode 100644 index 0000000000..cf50b2577b --- /dev/null +++ b/lombok/src/test/java/com/baeldung/lombok/builder/inheritance/buildermethodname/BuilderInheritanceUsingMethodNameUnitTest.java @@ -0,0 +1,40 @@ +package com.baeldung.lombok.builder.inheritance.buildermethodname; + +import static org.assertj.core.api.Assertions.assertThat; + +import org.junit.jupiter.api.Test; + +public class BuilderInheritanceUsingMethodNameUnitTest { + + @Test + public void givenBuilderAtMethodLevel_ChildInheritingParentIsBuilt() { + Child child = Child.childBuilder() + .parentName("Andrea") + .parentAge(38) + .childName("Emma") + .childAge(6) + .build(); + + assertThat(child.getChildName()).isEqualTo("Emma"); + assertThat(child.getChildAge()).isEqualTo(6); + assertThat(child.getParentName()).isEqualTo("Andrea"); + assertThat(child.getParentAge()).isEqualTo(38); + } + + @Test + public void givenSuperBuilderOnAllThreeLevels_StudentInheritingChildAndParentIsBuilt() { + Student student = Student.studentBuilder() + .parentName("Andrea") + .parentAge(38) + .childName("Emma") + .childAge(6) + .schoolName("Baeldung High School") + .build(); + + assertThat(student.getChildName()).isEqualTo("Emma"); + assertThat(student.getChildAge()).isEqualTo(6); + assertThat(student.getParentName()).isEqualTo("Andrea"); + assertThat(student.getParentAge()).isEqualTo(38); + assertThat(student.getSchoolName()).isEqualTo("Baeldung High School"); + } +} diff --git a/lombok/src/test/java/com/baeldung/lombok/builder/inheritance/superbuilder/BuilderInheritanceUsingSuperBuilderUnitTest.java b/lombok/src/test/java/com/baeldung/lombok/builder/inheritance/superbuilder/BuilderInheritanceUsingSuperBuilderUnitTest.java new file mode 100644 index 0000000000..72bfa6567b --- /dev/null +++ b/lombok/src/test/java/com/baeldung/lombok/builder/inheritance/superbuilder/BuilderInheritanceUsingSuperBuilderUnitTest.java @@ -0,0 +1,96 @@ +package com.baeldung.lombok.builder.inheritance.superbuilder; + +import static org.assertj.core.api.Assertions.assertThat; + +import org.junit.jupiter.api.Test; + +public class BuilderInheritanceUsingSuperBuilderUnitTest { + + @Test + public void givenSuperBuilderOnParentAndOnChild_ChildInheritingParentIsBuilt() { + Child child = Child.builder() + .parentName("Andrea") + .parentAge(38) + .childName("Emma") + .childAge(6) + .build(); + + assertThat(child.getChildName()).isEqualTo("Emma"); + assertThat(child.getChildAge()).isEqualTo(6); + assertThat(child.getParentName()).isEqualTo("Andrea"); + assertThat(child.getParentAge()).isEqualTo(38); + } + + @Test + public void givenSuperBuilderOnParent_StandardBuilderIsBuilt() { + Parent parent = Parent.builder() + .parentName("Andrea") + .parentAge(38) + .build(); + + assertThat(parent.getParentName()).isEqualTo("Andrea"); + assertThat(parent.getParentAge()).isEqualTo(38); + } + + @Test + public void givenToBuilderIsSetToTrueOnParentAndChild_DeepCopyViaBuilderIsPossible() { + Child child1 = Child.builder() + .parentName("Andrea") + .parentAge(38) + .childName("Emma") + .childAge(6) + .build(); + + Child child2 = child1.toBuilder() + .childName("Anna") + .build(); + + assertThat(child2.getChildName()).isEqualTo("Anna"); + assertThat(child2.getChildAge()).isEqualTo(6); + assertThat(child2.getParentName()).isEqualTo("Andrea"); + assertThat(child2.getParentAge()).isEqualTo(38); + + } + + @Test + public void givenSuperBuilderOnAllThreeLevels_StudentInheritingChildAndParentIsBuilt() { + Student student = Student.builder() + .parentName("Andrea") + .parentAge(38) + .childName("Emma") + .childAge(6) + .schoolName("Baeldung High School") + .build(); + + assertThat(student.getChildName()).isEqualTo("Emma"); + assertThat(student.getChildAge()).isEqualTo(6); + assertThat(student.getParentName()).isEqualTo("Andrea"); + assertThat(student.getParentAge()).isEqualTo(38); + assertThat(student.getSchoolName()).isEqualTo("Baeldung High School"); + } + + @Test + public void givenToBuilderIsSetToTrueOnParentChildAndStudent_DeepCopyViaBuilderIsPossible() { + Student student1 = Student.builder() + .parentName("Andrea") + .parentAge(38) + .childName("Emma") + .childAge(6) + .schoolName("School 1") + .build(); + + Student student2 = student1.toBuilder() + .childName("Anna") + .schoolName("School 2") + .build(); + + assertThat(student2.getChildName()).isEqualTo("Anna"); + assertThat(student2.getChildAge()).isEqualTo(6); + assertThat(student2.getParentName()).isEqualTo("Andrea"); + assertThat(student2.getParentAge()).isEqualTo(38); + assertThat(student2.getSchoolName()).isEqualTo("School 2"); + + } + + +} diff --git a/mapstruct/pom.xml b/mapstruct/pom.xml index 6c274dfcf2..0493775f85 100644 --- a/mapstruct/pom.xml +++ b/mapstruct/pom.xml @@ -30,6 +30,11 @@ ${springframework.version} test + + org.projectlombok + lombok + ${org.projectlombok.version} + @@ -48,6 +53,11 @@ mapstruct-processor ${org.mapstruct.version} + + org.projectlombok + lombok + ${org.projectlombok.version} + @@ -55,10 +65,11 @@ - 1.1.0.Final + 1.3.0.Beta2 4.3.4.RELEASE 1.8 1.8 + 1.18.4 diff --git a/mapstruct/src/main/java/com/baeldung/dto/CarDTO.java b/mapstruct/src/main/java/com/baeldung/dto/CarDTO.java new file mode 100644 index 0000000000..51aa8ccac2 --- /dev/null +++ b/mapstruct/src/main/java/com/baeldung/dto/CarDTO.java @@ -0,0 +1,11 @@ +package com.baeldung.dto; + +import lombok.Getter; +import lombok.Setter; + +@Getter +@Setter +public class CarDTO { + private int id; + private String name; +} diff --git a/mapstruct/src/main/java/com/baeldung/dto/PersonDTO.java b/mapstruct/src/main/java/com/baeldung/dto/PersonDTO.java new file mode 100644 index 0000000000..ace7a2bc7d --- /dev/null +++ b/mapstruct/src/main/java/com/baeldung/dto/PersonDTO.java @@ -0,0 +1,33 @@ +package com.baeldung.dto; + +public class PersonDTO { + + private String id; + private String name; + + public PersonDTO() { + + } + + public PersonDTO(String id, String name) { + super(); + this.id = id; + this.name = name; + } + + public String getId() { + return id; + } + + public void setId(String id) { + this.id = id; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } +} \ No newline at end of file diff --git a/mapstruct/src/main/java/com/baeldung/entity/Car.java b/mapstruct/src/main/java/com/baeldung/entity/Car.java new file mode 100644 index 0000000000..8559b4a77d --- /dev/null +++ b/mapstruct/src/main/java/com/baeldung/entity/Car.java @@ -0,0 +1,11 @@ +package com.baeldung.entity; + +import lombok.Getter; +import lombok.Setter; + +@Getter +@Setter +public class Car { + private int id; + private String name; +} diff --git a/mapstruct/src/main/java/com/baeldung/entity/Person.java b/mapstruct/src/main/java/com/baeldung/entity/Person.java new file mode 100644 index 0000000000..5f73ee1130 --- /dev/null +++ b/mapstruct/src/main/java/com/baeldung/entity/Person.java @@ -0,0 +1,33 @@ +package com.baeldung.entity; + +public class Person { + + private String id; + private String name; + + public Person() { + + } + + public Person(String id, String name) { + super(); + this.id = id; + this.name = name; + } + + public String getId() { + return id; + } + + public void setId(String id) { + this.id = id; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } +} \ No newline at end of file diff --git a/mapstruct/src/main/java/com/baeldung/mapper/CarMapper.java b/mapstruct/src/main/java/com/baeldung/mapper/CarMapper.java new file mode 100644 index 0000000000..c18fa44f8d --- /dev/null +++ b/mapstruct/src/main/java/com/baeldung/mapper/CarMapper.java @@ -0,0 +1,15 @@ +package com.baeldung.mapper; + +import org.mapstruct.Mapper; +import org.mapstruct.factory.Mappers; + +import com.baeldung.dto.CarDTO; +import com.baeldung.entity.Car; + +@Mapper +public interface CarMapper { + + CarMapper INSTANCE = Mappers.getMapper(CarMapper.class); + + CarDTO carToCarDTO(Car car); +} diff --git a/mapstruct/src/main/java/com/baeldung/mapper/PersonMapper.java b/mapstruct/src/main/java/com/baeldung/mapper/PersonMapper.java new file mode 100644 index 0000000000..9b9e132b5d --- /dev/null +++ b/mapstruct/src/main/java/com/baeldung/mapper/PersonMapper.java @@ -0,0 +1,17 @@ +package com.baeldung.mapper; + +import org.mapstruct.Mapper; +import org.mapstruct.Mapping; +import org.mapstruct.factory.Mappers; + +import com.baeldung.dto.PersonDTO; +import com.baeldung.entity.Person; + +@Mapper +public interface PersonMapper { + + PersonMapper INSTANCE = Mappers.getMapper(PersonMapper.class); + + @Mapping(target = "id", source = "person.id", defaultExpression = "java(java.util.UUID.randomUUID().toString())") + PersonDTO personToPersonDTO(Person person); +} diff --git a/mapstruct/src/test/java/com/baeldung/mapper/CarMapperUnitTest.java b/mapstruct/src/test/java/com/baeldung/mapper/CarMapperUnitTest.java new file mode 100644 index 0000000000..32cae56c2e --- /dev/null +++ b/mapstruct/src/test/java/com/baeldung/mapper/CarMapperUnitTest.java @@ -0,0 +1,24 @@ +package com.baeldung.mapper; + +import static org.junit.Assert.assertEquals; + +import org.junit.Test; + +import com.baeldung.dto.CarDTO; +import com.baeldung.entity.Car; + +public class CarMapperUnitTest { + + @Test + public void givenCarEntitytoCar_whenMaps_thenCorrect() { + + Car entity = new Car(); + entity.setId(1); + entity.setName("Toyota"); + + CarDTO carDto = CarMapper.INSTANCE.carToCarDTO(entity); + + assertEquals(carDto.getId(), entity.getId()); + assertEquals(carDto.getName(), entity.getName()); + } +} diff --git a/mapstruct/src/test/java/com/baeldung/mapper/PersonMapperUnitTest.java b/mapstruct/src/test/java/com/baeldung/mapper/PersonMapperUnitTest.java new file mode 100644 index 0000000000..fe4c52ac89 --- /dev/null +++ b/mapstruct/src/test/java/com/baeldung/mapper/PersonMapperUnitTest.java @@ -0,0 +1,26 @@ +package com.baeldung.mapper; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertNull; + +import org.junit.Test; + +import com.baeldung.dto.PersonDTO; +import com.baeldung.entity.Person; + +public class PersonMapperUnitTest { + + @Test + public void givenPersonEntitytoPersonWithExpression_whenMaps_thenCorrect() { + + Person entity = new Person(); + entity.setName("Micheal"); + + PersonDTO personDto = PersonMapper.INSTANCE.personToPersonDTO(entity); + + assertNull(entity.getId()); + assertNotNull(personDto.getId()); + assertEquals(personDto.getName(), entity.getName()); + } +} \ No newline at end of file diff --git a/maven-archetype/src/main/resources/archetype-resources/pom.xml b/maven-archetype/src/main/resources/archetype-resources/pom.xml index eb69f64626..a5c813652d 100644 --- a/maven-archetype/src/main/resources/archetype-resources/pom.xml +++ b/maven-archetype/src/main/resources/archetype-resources/pom.xml @@ -1,7 +1,6 @@ 4.0.0 - ${groupId} ${artifactId} ${version} diff --git a/maven-polyglot/maven-polyglot-json-extension/pom.xml b/maven-polyglot/maven-polyglot-json-extension/pom.xml index fe1e025d1f..5b18529ec5 100644 --- a/maven-polyglot/maven-polyglot-json-extension/pom.xml +++ b/maven-polyglot/maven-polyglot-json-extension/pom.xml @@ -7,11 +7,6 @@ maven-polyglot-json-extension 1.0-SNAPSHOT maven-polyglot-json-extension - - - 1.8 - 1.8 - @@ -43,5 +38,10 @@ + + + 1.8 + 1.8 + \ No newline at end of file diff --git a/maven/.gitignore b/maven/.gitignore index f843ae9109..bae0b0d7ce 100644 --- a/maven/.gitignore +++ b/maven/.gitignore @@ -1 +1,2 @@ -/output-resources \ No newline at end of file +/output-resources +/.idea/ diff --git a/maven/README.md b/maven/README.md index 1c0e50f95a..1352a2a10f 100644 --- a/maven/README.md +++ b/maven/README.md @@ -14,3 +14,4 @@ - [Apache Maven Tutorial](https://www.baeldung.com/maven) - [Use the Latest Version of a Dependency in Maven](https://www.baeldung.com/maven-dependency-latest-version) - [Multi-Module Project with Maven](https://www.baeldung.com/maven-multi-module) +- [Maven Enforcer Plugin](https://www.baeldung.com/maven-enforcer-plugin) diff --git a/maven/compiler-plugin-java-9/pom.xml b/maven/compiler-plugin-java-9/pom.xml new file mode 100644 index 0000000000..5303cee82e --- /dev/null +++ b/maven/compiler-plugin-java-9/pom.xml @@ -0,0 +1,22 @@ + + 4.0.0 + com.baeldung + compiler-plugin-java-9 + 0.0.1-SNAPSHOT + + + + + org.apache.maven.plugins + maven-compiler-plugin + 3.8.0 + + 9 + 9 + + + + + \ No newline at end of file diff --git a/maven/compiler-plugin-java-9/src/main/java/com/baeldung/maven/java9/MavenCompilerPlugin.java b/maven/compiler-plugin-java-9/src/main/java/com/baeldung/maven/java9/MavenCompilerPlugin.java new file mode 100644 index 0000000000..b460d6e38c --- /dev/null +++ b/maven/compiler-plugin-java-9/src/main/java/com/baeldung/maven/java9/MavenCompilerPlugin.java @@ -0,0 +1,9 @@ +package com.baeldung.maven.java9; + +import static javax.xml.XMLConstants.XML_NS_PREFIX; + +public class MavenCompilerPlugin { + public static void main(String[] args) { + System.out.println("The XML namespace prefix is: " + XML_NS_PREFIX); + } +} diff --git a/maven/compiler-plugin-java-9/src/main/java/module-info.java b/maven/compiler-plugin-java-9/src/main/java/module-info.java new file mode 100644 index 0000000000..afc1d45e71 --- /dev/null +++ b/maven/compiler-plugin-java-9/src/main/java/module-info.java @@ -0,0 +1,3 @@ +module com.baeldung.maven.java9 { + requires java.xml; +} \ No newline at end of file diff --git a/maven/custom-rule/pom.xml b/maven/custom-rule/pom.xml new file mode 100644 index 0000000000..25a3489fb9 --- /dev/null +++ b/maven/custom-rule/pom.xml @@ -0,0 +1,70 @@ + + + + maven + com.baeldung + 0.0.1-SNAPSHOT + + 4.0.0 + custom-rule + custom-rule + + + 3.0.0-M2 + 2.0.9 + + + + + + + org.apache.maven.enforcer + enforcer-api + ${api.version} + + + org.apache.maven + maven-project + ${maven.version} + + + org.apache.maven + maven-core + ${maven.version} + + + org.apache.maven + maven-artifact + ${maven.version} + + + org.apache.maven + maven-plugin-api + ${maven.version} + + + org.codehaus.plexus + plexus-container-default + 1.0-alpha-9 + + + + + + + maven-verifier-plugin + ${maven.verifier.version} + + ../input-resources/verifications.xml + false + + + + + + + + + \ No newline at end of file diff --git a/maven/custom-rule/src/main/java/com/baeldung/enforcer/MyCustomRule.java b/maven/custom-rule/src/main/java/com/baeldung/enforcer/MyCustomRule.java new file mode 100644 index 0000000000..9b72f40bf1 --- /dev/null +++ b/maven/custom-rule/src/main/java/com/baeldung/enforcer/MyCustomRule.java @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2019 PloyRef + * Created by Seun Matt + * on 19 - 2 - 2019 + */ + +package com.baeldung.enforcer; + +import org.apache.maven.enforcer.rule.api.EnforcerRule; +import org.apache.maven.enforcer.rule.api.EnforcerRuleException; +import org.apache.maven.enforcer.rule.api.EnforcerRuleHelper; +import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluationException; + +public class MyCustomRule implements EnforcerRule { + + public void execute(EnforcerRuleHelper enforcerRuleHelper) throws EnforcerRuleException { + + try { + + String groupId = (String) enforcerRuleHelper.evaluate("${project.groupId}"); + + if (groupId == null || !groupId.startsWith("org.baeldung")) { + throw new EnforcerRuleException("Project group id does not start with org.baeldung"); + } + + } + catch (ExpressionEvaluationException ex ) { + throw new EnforcerRuleException( "Unable to lookup an expression " + ex.getLocalizedMessage(), ex ); + } + } + + public boolean isCacheable() { + return false; + } + + public boolean isResultValid(EnforcerRule enforcerRule) { + return false; + } + + public String getCacheId() { + return null; + } +} diff --git a/maven/maven-enforcer/pom.xml b/maven/maven-enforcer/pom.xml new file mode 100644 index 0000000000..9826beb0d9 --- /dev/null +++ b/maven/maven-enforcer/pom.xml @@ -0,0 +1,75 @@ + + + + maven + com.baeldung + 0.0.1-SNAPSHOT + + 4.0.0 + maven-enforcer + maven-enforcer + + + + + org.apache.maven.plugins + maven-enforcer-plugin + 3.0.0-M2 + + + + + + + + + + enforce + + enforce + + + + + + 3.0 + Invalid Maven version. It should, at least, be 3.0 + + + 1.8 + + + ui + WARN + + + cook + WARN + + + local,base + Missing active profiles + WARN + + + + + + + + + + maven-verifier-plugin + ${maven.verifier.version} + + ../input-resources/verifications.xml + false + + + + + + + \ No newline at end of file diff --git a/maven/maven-war-plugin/pom.xml b/maven/maven-war-plugin/pom.xml new file mode 100644 index 0000000000..5169a21e78 --- /dev/null +++ b/maven/maven-war-plugin/pom.xml @@ -0,0 +1,29 @@ + + 4.0.0 + com.baeldung + maven-war-plugin-property + 0.0.1-SNAPSHOT + war + maven-war-plugin-property + + + + false + + + + + + maven-war-plugin + + 3.1.0 + + + false + + + + + \ No newline at end of file diff --git a/maven/pom.xml b/maven/pom.xml index 01fd28db74..942bf683e2 100644 --- a/maven/pom.xml +++ b/maven/pom.xml @@ -4,8 +4,12 @@ com.baeldung maven 0.0.1-SNAPSHOT - maven - war + + custom-rule + maven-enforcer + + maven + pom diff --git a/maven/versions-maven-plugin/original/pom.xml b/maven/versions-maven-plugin/original/pom.xml index 295c77b860..7608e4d168 100644 --- a/maven/versions-maven-plugin/original/pom.xml +++ b/maven/versions-maven-plugin/original/pom.xml @@ -6,10 +6,6 @@ versions-maven-plugin-example 0.0.1-SNAPSHOT - - 1.15 - - @@ -73,4 +69,8 @@ + + 1.15 + + \ No newline at end of file diff --git a/metrics/pom.xml b/metrics/pom.xml index d7d7a8a911..014931a957 100644 --- a/metrics/pom.xml +++ b/metrics/pom.xml @@ -66,7 +66,7 @@ org.springframework.boot spring-boot-starter-web - 2.0.7.RELEASE + ${spring-boot-starter-web.version} @@ -89,7 +89,7 @@ org.assertj assertj-core - 3.11.1 + ${assertj-core.version} test @@ -102,6 +102,8 @@ 0.12.0.RELEASE 2.9.1 0.57.1 + 2.0.7.RELEASE + 3.11.1 diff --git a/micronaut/pom.xml b/micronaut/pom.xml index aa69c77f73..2a8d135483 100644 --- a/micronaut/pom.xml +++ b/micronaut/pom.xml @@ -4,12 +4,6 @@ micronaut 0.1 micronaut - - - com.baeldung.micronaut.helloworld.server.ServerApplication - 1.0.0.RC2 - 1.8 - @@ -133,4 +127,10 @@ + + + com.baeldung.micronaut.helloworld.server.ServerApplication + 1.0.0.RC2 + 1.8 + diff --git a/mustache/pom.xml b/mustache/pom.xml index a276dfbf43..027d62ebc4 100644 --- a/mustache/pom.xml +++ b/mustache/pom.xml @@ -3,14 +3,14 @@ 4.0.0 mustache - jar mustache + jar - parent-boot-1 + parent-boot-2 com.baeldung 0.0.1-SNAPSHOT - ../parent-boot-1 + ../parent-boot-2 @@ -30,6 +30,11 @@ log4j ${log4j.version} + + + org.springframework.boot + spring-boot-starter-web + org.springframework.boot diff --git a/mustache/src/main/resources/application.properties b/mustache/src/main/resources/application.properties index e69de29bb2..011bbae980 100644 --- a/mustache/src/main/resources/application.properties +++ b/mustache/src/main/resources/application.properties @@ -0,0 +1 @@ +spring.mustache.suffix:.html \ No newline at end of file diff --git a/osgi/osgi-intro-sample-activator/pom.xml b/osgi/osgi-intro-sample-activator/pom.xml index 77d7198698..2bc1c20eed 100644 --- a/osgi/osgi-intro-sample-activator/pom.xml +++ b/osgi/osgi-intro-sample-activator/pom.xml @@ -2,9 +2,10 @@ 4.0.0 + osgi-intro-sample-activator + osgi-intro-sample-activator bundle - osgi-intro-sample-activator diff --git a/osgi/osgi-intro-sample-client/pom.xml b/osgi/osgi-intro-sample-client/pom.xml index 7f5faedb30..a630625ed2 100644 --- a/osgi/osgi-intro-sample-client/pom.xml +++ b/osgi/osgi-intro-sample-client/pom.xml @@ -5,6 +5,7 @@ 4.0.0 osgi-intro-sample-client + osgi-intro-sample-client bundle diff --git a/osgi/osgi-intro-sample-service/pom.xml b/osgi/osgi-intro-sample-service/pom.xml index 8f81645ad4..4f0b108837 100644 --- a/osgi/osgi-intro-sample-service/pom.xml +++ b/osgi/osgi-intro-sample-service/pom.xml @@ -3,6 +3,7 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 osgi-intro-sample-service + osgi-intro-sample-service bundle diff --git a/parent-boot-1/pom.xml b/parent-boot-1/pom.xml index 53f91f975d..1054038623 100644 --- a/parent-boot-1/pom.xml +++ b/parent-boot-1/pom.xml @@ -55,7 +55,7 @@ 3.1.0 - 1.5.16.RELEASE + 1.5.19.RELEASE diff --git a/parent-boot-2/pom.xml b/parent-boot-2/pom.xml index 280d226e95..4b81e27333 100644 --- a/parent-boot-2/pom.xml +++ b/parent-boot-2/pom.xml @@ -77,9 +77,7 @@ 3.1.0 - 1.0.11.RELEASE - 2.1.1.RELEASE + 1.0.21.RELEASE + 2.1.3.RELEASE - - diff --git a/parent-java/pom.xml b/parent-java/pom.xml index 86be34d508..cb3e205871 100644 --- a/parent-java/pom.xml +++ b/parent-java/pom.xml @@ -4,9 +4,9 @@ com.baeldung parent-java 0.0.1-SNAPSHOT - pom parent-java Parent for all java modules + pom com.baeldung @@ -24,7 +24,7 @@ - 22.0 + 23.0 - \ No newline at end of file + diff --git a/parent-kotlin/pom.xml b/parent-kotlin/pom.xml index 73c98e1a80..7a3a8b10ca 100644 --- a/parent-kotlin/pom.xml +++ b/parent-kotlin/pom.xml @@ -3,8 +3,8 @@ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> 4.0.0 parent-kotlin - pom parent-kotlin + pom Parent for all kotlin modules diff --git a/parent-spring-4/pom.xml b/parent-spring-4/pom.xml index 9b3c42599b..d7eea44989 100644 --- a/parent-spring-4/pom.xml +++ b/parent-spring-4/pom.xml @@ -4,8 +4,8 @@ com.baeldung parent-spring-4 0.0.1-SNAPSHOT - pom parent-spring-4 + pom Parent for all spring 4 core modules @@ -29,7 +29,7 @@ - 4.3.20.RELEASE + 4.3.22.RELEASE 5.0.2 diff --git a/parent-spring-5/pom.xml b/parent-spring-5/pom.xml index 6a15f38884..3178682d34 100644 --- a/parent-spring-5/pom.xml +++ b/parent-spring-5/pom.xml @@ -4,9 +4,9 @@ com.baeldung parent-spring-5 0.0.1-SNAPSHOT - pom parent-spring-5 Parent for all spring 5 core modules + pom com.baeldung @@ -29,11 +29,10 @@ - 5.0.6.RELEASE + 5.1.4.RELEASE 5.0.2 - 2.9.6 2.9.6 - 5.0.6.RELEASE + 5.1.4.RELEASE \ No newline at end of file diff --git a/patterns/README.md b/patterns/README.md index 9653558f43..9a15cdff02 100644 --- a/patterns/README.md +++ b/patterns/README.md @@ -1,14 +1,3 @@ ### Relevant Articles: - [A Guide to the Front Controller Pattern in Java](http://www.baeldung.com/java-front-controller-pattern) - [Introduction to Intercepting Filter Pattern in Java](http://www.baeldung.com/intercepting-filter-pattern-in-java) -- [Implementing the Template Method Pattern in Java](http://www.baeldung.com/java-template-method-pattern) -- [Chain of Responsibility Design Pattern in Java](http://www.baeldung.com/chain-of-responsibility-pattern) -- [The Command Pattern in Java](http://www.baeldung.com/java-command-pattern) -- [The DAO Pattern in Java](http://www.baeldung.com/java-dao-pattern) -- [Introduction to Creational Design Patterns](http://www.baeldung.com/creational-design-patterns) -- [Proxy, Decorator, Adapter and Bridge Patterns](http://www.baeldung.com/java-structural-design-patterns) -- [Singletons in Java](http://www.baeldung.com/java-singleton) -- [Flyweight Pattern in Java](http://www.baeldung.com/java-flyweight) -- [The Observer Pattern in Java](http://www.baeldung.com/java-observer-pattern) -- [Service Locator Pattern](http://www.baeldung.com/java-service-locator-pattern) -- [Java Constructors vs Static Factory Methods](https://www.baeldung.com/java-constructors-vs-static-factory-methods) \ No newline at end of file diff --git a/patterns/design-patterns-2/pom.xml b/patterns/design-patterns-2/pom.xml new file mode 100644 index 0000000000..2a0213065b --- /dev/null +++ b/patterns/design-patterns-2/pom.xml @@ -0,0 +1,25 @@ + + + 4.0.0 + design-patterns-2 + 1.0 + design-patterns-2 + jar + + + com.baeldung + patterns + 1.0.0-SNAPSHOT + .. + + + + + + + UTF-8 + 1.8 + 1.8 + + diff --git a/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/JmsRouter.java b/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/JmsRouter.java new file mode 100644 index 0000000000..7d8215fead --- /dev/null +++ b/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/JmsRouter.java @@ -0,0 +1,10 @@ +package com.baeldung.nullobject; + +public class JmsRouter implements Router { + + @Override + public void route(Message msg) { + System.out.println("Routing to a JMS queue. Msg: " + msg); + } + +} diff --git a/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/Message.java b/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/Message.java new file mode 100644 index 0000000000..9086b6d92d --- /dev/null +++ b/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/Message.java @@ -0,0 +1,24 @@ +package com.baeldung.nullobject; + +public class Message { + + private String body; + + private String priority; + + public Message(String body, String priority) { + this.body = body; + this.priority = priority; + } + + public String getPriority() { + return priority; + } + + @Override + public String toString() { + return "{body='" + body + '\'' + + ", priority='" + priority + '\'' + + '}'; + } +} diff --git a/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/NullRouter.java b/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/NullRouter.java new file mode 100644 index 0000000000..a0065a321d --- /dev/null +++ b/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/NullRouter.java @@ -0,0 +1,10 @@ +package com.baeldung.nullobject; + +public class NullRouter implements Router { + + @Override + public void route(Message msg) { + // do nothing + } + +} diff --git a/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/Router.java b/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/Router.java new file mode 100644 index 0000000000..3e67de9558 --- /dev/null +++ b/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/Router.java @@ -0,0 +1,7 @@ +package com.baeldung.nullobject; + +public interface Router { + + void route(Message msg); + +} diff --git a/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/RouterFactory.java b/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/RouterFactory.java new file mode 100644 index 0000000000..ba80834865 --- /dev/null +++ b/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/RouterFactory.java @@ -0,0 +1,23 @@ +package com.baeldung.nullobject; + +public class RouterFactory { + + public static Router getRouterForMessage(Message msg) { + + if (msg.getPriority() == null) { + return new NullRouter(); + } + + switch (msg.getPriority()) { + case "high": + return new SmsRouter(); + + case "medium": + return new JmsRouter(); + + default: + return new NullRouter(); + } + + } +} diff --git a/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/RoutingHandler.java b/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/RoutingHandler.java new file mode 100644 index 0000000000..282b066085 --- /dev/null +++ b/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/RoutingHandler.java @@ -0,0 +1,30 @@ +package com.baeldung.nullobject; + +import java.util.Arrays; +import java.util.List; + +public class RoutingHandler { + + public void handle(Iterable messages){ + for (Message msg : messages) { + Router router = RouterFactory.getRouterForMessage(msg); + router.route(msg); + } + } + + public static void main(String[] args) { + Message highPriorityMsg = new Message("Alert!", "high"); + Message mediumPriorityMsg = new Message("Warning!", "medium"); + Message lowPriorityMsg = new Message("Take a look!", "low"); + Message nullPriorityMsg = new Message("Take a look!", null); + + List messages = Arrays.asList(highPriorityMsg, + mediumPriorityMsg, + lowPriorityMsg, + nullPriorityMsg); + + RoutingHandler routingHandler = new RoutingHandler(); + routingHandler.handle(messages); + + } +} diff --git a/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/SmsRouter.java b/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/SmsRouter.java new file mode 100644 index 0000000000..3e8e2f15f3 --- /dev/null +++ b/patterns/design-patterns-2/src/main/java/com/baeldung/nullobject/SmsRouter.java @@ -0,0 +1,10 @@ +package com.baeldung.nullobject; + +public class SmsRouter implements Router { + + @Override + public void route(Message msg) { + System.out.println("Routing to a SMS gateway. Msg: " + msg); + } + +} diff --git a/patterns/design-patterns/README.md b/patterns/design-patterns/README.md index e56872b3fd..a4513b7d95 100644 --- a/patterns/design-patterns/README.md +++ b/patterns/design-patterns/README.md @@ -14,3 +14,8 @@ - [State Design Pattern in Java](https://www.baeldung.com/java-state-design-pattern) - [The Decorator Pattern in Java](https://www.baeldung.com/java-decorator-pattern) - [Abstract Factory Pattern in Java](https://www.baeldung.com/java-abstract-factory-pattern) +- [Implementing the Template Method Pattern in Java](http://www.baeldung.com/java-template-method-pattern) +- [Chain of Responsibility Design Pattern in Java](http://www.baeldung.com/chain-of-responsibility-pattern) +- [The Command Pattern in Java](http://www.baeldung.com/java-command-pattern) +- [Java Constructors vs Static Factory Methods](https://www.baeldung.com/java-constructors-vs-static-factory-methods) +- [The Adapter Pattern in Java](https://www.baeldung.com/java-adapter-pattern) diff --git a/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AbstractFactory.java b/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AbstractFactory.java index 5b4bf08006..88e819c066 100644 --- a/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AbstractFactory.java +++ b/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AbstractFactory.java @@ -1,6 +1,5 @@ package com.baeldung.creational.abstractfactory; -public interface AbstractFactory { - Animal getAnimal(String toyType) ; - Color getColor(String colorType); +public interface AbstractFactory { + T create(String type) ; } \ No newline at end of file diff --git a/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AbstractPatternDriver.java b/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AbstractPatternDriver.java index 68759d5aff..c1501091c5 100644 --- a/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AbstractPatternDriver.java +++ b/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AbstractPatternDriver.java @@ -6,10 +6,10 @@ public class AbstractPatternDriver { //creating a brown toy dog abstractFactory = FactoryProvider.getFactory("Toy"); - Animal toy = abstractFactory.getAnimal("Dog"); + Animal toy =(Animal) abstractFactory.create("Dog"); abstractFactory = FactoryProvider.getFactory("Color"); - Color color = abstractFactory.getColor("Brown"); + Color color =(Color) abstractFactory.create("Brown"); String result = "A " + toy.getType() + " with " + color.getColor() + " color " + toy.makeSound(); diff --git a/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AnimalFactory.java b/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AnimalFactory.java index bbc3eb7a82..4b46261571 100644 --- a/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AnimalFactory.java +++ b/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AnimalFactory.java @@ -1,9 +1,9 @@ package com.baeldung.creational.abstractfactory; -public class AnimalFactory implements AbstractFactory { +public class AnimalFactory implements AbstractFactory { @Override - public Animal getAnimal(String animalType) { + public Animal create(String animalType) { if ("Dog".equalsIgnoreCase(animalType)) { return new Dog(); } else if ("Duck".equalsIgnoreCase(animalType)) { @@ -13,9 +13,4 @@ public class AnimalFactory implements AbstractFactory { return null; } - @Override - public Color getColor(String color) { - throw new UnsupportedOperationException(); - } - } diff --git a/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/ColorFactory.java b/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/ColorFactory.java index 8b7e4f8086..3d9c5c18a3 100644 --- a/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/ColorFactory.java +++ b/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/ColorFactory.java @@ -1,9 +1,9 @@ package com.baeldung.creational.abstractfactory; -public class ColorFactory implements AbstractFactory { +public class ColorFactory implements AbstractFactory { @Override - public Color getColor(String colorType) { + public Color create(String colorType) { if ("Brown".equalsIgnoreCase(colorType)) { return new Brown(); } else if ("White".equalsIgnoreCase(colorType)) { @@ -13,9 +13,4 @@ public class ColorFactory implements AbstractFactory { return null; } - @Override - public Animal getAnimal(String toyType) { - throw new UnsupportedOperationException(); - } - } diff --git a/patterns/design-patterns/src/test/java/com/baeldung/creational/abstractfactory/AbstractPatternIntegrationTest.java b/patterns/design-patterns/src/test/java/com/baeldung/creational/abstractfactory/AbstractPatternIntegrationTest.java index 6d1a4ad8fd..4f02249a4b 100644 --- a/patterns/design-patterns/src/test/java/com/baeldung/creational/abstractfactory/AbstractPatternIntegrationTest.java +++ b/patterns/design-patterns/src/test/java/com/baeldung/creational/abstractfactory/AbstractPatternIntegrationTest.java @@ -11,10 +11,10 @@ public class AbstractPatternIntegrationTest { //creating a brown toy dog abstractFactory = FactoryProvider.getFactory("Toy"); - Animal toy = abstractFactory.getAnimal("Dog"); + Animal toy = (Animal) abstractFactory.create("Dog"); abstractFactory = FactoryProvider.getFactory("Color"); - Color color = abstractFactory.getColor("Brown"); + Color color =(Color) abstractFactory.create("Brown"); String result = "A " + toy.getType() + " with " + color.getColor() + " color " + toy.makeSound(); assertEquals("A Dog with brown color Barks", result); diff --git a/patterns/pom.xml b/patterns/pom.xml index bc1f5173e2..111e72b9ca 100644 --- a/patterns/pom.xml +++ b/patterns/pom.xml @@ -17,6 +17,8 @@ front-controller intercepting-filter design-patterns + design-patterns-2 + solid diff --git a/patterns/principles/solid/README.md b/patterns/principles/solid/README.md new file mode 100644 index 0000000000..e2d72ecd28 --- /dev/null +++ b/patterns/principles/solid/README.md @@ -0,0 +1,5 @@ +### Relevant Articles: + +- [A Guide to Solid Principles](https://www.baeldung.com/solid-principles) + + diff --git a/patterns/solid/pom.xml b/patterns/solid/pom.xml new file mode 100644 index 0000000000..146a9903cf --- /dev/null +++ b/patterns/solid/pom.xml @@ -0,0 +1,18 @@ + + + 4.0.0 + com.baeldung + solid + solid + 1.0-SNAPSHOT + + + com.baeldung + patterns + 1.0.0-SNAPSHOT + .. + + + diff --git a/patterns/solid/src/main/java/com/baeldung/d/Keyboard.java b/patterns/solid/src/main/java/com/baeldung/d/Keyboard.java new file mode 100644 index 0000000000..cc6fc47d65 --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/d/Keyboard.java @@ -0,0 +1,4 @@ +package com.baeldung.d; + +public interface Keyboard { +} diff --git a/patterns/solid/src/main/java/com/baeldung/d/Monitor.java b/patterns/solid/src/main/java/com/baeldung/d/Monitor.java new file mode 100644 index 0000000000..c0ab7a53b2 --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/d/Monitor.java @@ -0,0 +1,6 @@ +package com.baeldung.d; + +public class Monitor { + + +} diff --git a/patterns/solid/src/main/java/com/baeldung/d/StandardKeyboard.java b/patterns/solid/src/main/java/com/baeldung/d/StandardKeyboard.java new file mode 100644 index 0000000000..cb0e229943 --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/d/StandardKeyboard.java @@ -0,0 +1,5 @@ +package com.baeldung.d; + +public class StandardKeyboard implements Keyboard { + +} diff --git a/patterns/solid/src/main/java/com/baeldung/d/Windows98Machine.java b/patterns/solid/src/main/java/com/baeldung/d/Windows98Machine.java new file mode 100644 index 0000000000..4d6ead9aa2 --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/d/Windows98Machine.java @@ -0,0 +1,15 @@ +package com.baeldung.d; + +public class Windows98Machine { + + private final StandardKeyboard keyboard; + private final Monitor monitor; + + public Windows98Machine() { + + monitor = new Monitor(); + keyboard = new StandardKeyboard(); + + } + +} diff --git a/patterns/solid/src/main/java/com/baeldung/d/Windows98MachineDI.java b/patterns/solid/src/main/java/com/baeldung/d/Windows98MachineDI.java new file mode 100644 index 0000000000..2a6fd74a41 --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/d/Windows98MachineDI.java @@ -0,0 +1,12 @@ +package com.baeldung.d; + +public class Windows98MachineDI { + + private final Keyboard keyboard; + private final Monitor monitor; + + public Windows98MachineDI(Keyboard keyboard, Monitor monitor) { + this.keyboard = keyboard; + this.monitor = monitor; + } +} diff --git a/patterns/solid/src/main/java/com/baeldung/i/BearCarer.java b/patterns/solid/src/main/java/com/baeldung/i/BearCarer.java new file mode 100644 index 0000000000..3d69211674 --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/i/BearCarer.java @@ -0,0 +1,12 @@ +package com.baeldung.i; + +public class BearCarer implements BearCleaner, BearFeeder { + + public void washTheBear() { + //I think we missed a spot.. + } + + public void feedTheBear() { + //Tuna tuesdays.. + } +} diff --git a/patterns/solid/src/main/java/com/baeldung/i/BearCleaner.java b/patterns/solid/src/main/java/com/baeldung/i/BearCleaner.java new file mode 100644 index 0000000000..e2b71b2ce8 --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/i/BearCleaner.java @@ -0,0 +1,5 @@ +package com.baeldung.i; + +public interface BearCleaner { + void washTheBear(); +} diff --git a/patterns/solid/src/main/java/com/baeldung/i/BearFeeder.java b/patterns/solid/src/main/java/com/baeldung/i/BearFeeder.java new file mode 100644 index 0000000000..5d0ba7cd29 --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/i/BearFeeder.java @@ -0,0 +1,5 @@ +package com.baeldung.i; + +public interface BearFeeder { + void feedTheBear(); +} diff --git a/patterns/solid/src/main/java/com/baeldung/i/BearKeeper.java b/patterns/solid/src/main/java/com/baeldung/i/BearKeeper.java new file mode 100644 index 0000000000..f09774a5ff --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/i/BearKeeper.java @@ -0,0 +1,9 @@ +package com.baeldung.i; + +public interface BearKeeper { + + void washTheBear(); + void feedTheBear(); + void petTheBear(); + +} diff --git a/patterns/solid/src/main/java/com/baeldung/i/BearPetter.java b/patterns/solid/src/main/java/com/baeldung/i/BearPetter.java new file mode 100644 index 0000000000..a913cf3d8a --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/i/BearPetter.java @@ -0,0 +1,5 @@ +package com.baeldung.i; + +public interface BearPetter { + void petTheBear(); +} diff --git a/patterns/solid/src/main/java/com/baeldung/i/CrazyPerson.java b/patterns/solid/src/main/java/com/baeldung/i/CrazyPerson.java new file mode 100644 index 0000000000..aae0d4c11b --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/i/CrazyPerson.java @@ -0,0 +1,8 @@ +package com.baeldung.i; + +public class CrazyPerson implements BearPetter { + + public void petTheBear() { + //Good luck with that! + } +} diff --git a/patterns/solid/src/main/java/com/baeldung/l/Car.java b/patterns/solid/src/main/java/com/baeldung/l/Car.java new file mode 100644 index 0000000000..b3481f894a --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/l/Car.java @@ -0,0 +1,8 @@ +package com.baeldung.l; + +public interface Car { + + void turnOnEngine(); + void accelerate(); + +} diff --git a/patterns/solid/src/main/java/com/baeldung/l/ElectricCar.java b/patterns/solid/src/main/java/com/baeldung/l/ElectricCar.java new file mode 100644 index 0000000000..fd919c5659 --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/l/ElectricCar.java @@ -0,0 +1,12 @@ +package com.baeldung.l; + +public class ElectricCar implements Car { + + public void turnOnEngine() { + throw new AssertionError("I don't have an engine!"); + } + + public void accelerate() { + //this acceleration is crazy! + } +} diff --git a/patterns/solid/src/main/java/com/baeldung/l/Engine.java b/patterns/solid/src/main/java/com/baeldung/l/Engine.java new file mode 100644 index 0000000000..a8e38b8877 --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/l/Engine.java @@ -0,0 +1,13 @@ +package com.baeldung.l; + +public class Engine { + + public void on(){ + //vroom. + } + + public void powerOn(int amount){ + //do something + } + +} diff --git a/patterns/solid/src/main/java/com/baeldung/l/MotorCar.java b/patterns/solid/src/main/java/com/baeldung/l/MotorCar.java new file mode 100644 index 0000000000..638f315475 --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/l/MotorCar.java @@ -0,0 +1,18 @@ +package com.baeldung.l; + +public class MotorCar implements Car { + + private Engine engine; + + //Constructors, getters + setters + + public void turnOnEngine() { + //turn on the engine! + engine.on(); + } + + public void accelerate() { + //move forward! + engine.powerOn(1000); + } +} diff --git a/patterns/solid/src/main/java/com/baeldung/o/Guitar.java b/patterns/solid/src/main/java/com/baeldung/o/Guitar.java new file mode 100644 index 0000000000..baab006b5b --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/o/Guitar.java @@ -0,0 +1,10 @@ +package com.baeldung.o; + +public class Guitar { + + private String make; + private String model; + private int volume; + + //Constructors, getters & setters +} diff --git a/patterns/solid/src/main/java/com/baeldung/o/SuperCoolGuitarWithFlames.java b/patterns/solid/src/main/java/com/baeldung/o/SuperCoolGuitarWithFlames.java new file mode 100644 index 0000000000..b69e3be74a --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/o/SuperCoolGuitarWithFlames.java @@ -0,0 +1,9 @@ +package com.baeldung.o; + +public class SuperCoolGuitarWithFlames extends Guitar { + + private String flameColour; + + //constructor, getters + setters + +} diff --git a/patterns/solid/src/main/java/com/baeldung/s/BadBook.java b/patterns/solid/src/main/java/com/baeldung/s/BadBook.java new file mode 100644 index 0000000000..03c8fcd488 --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/s/BadBook.java @@ -0,0 +1,27 @@ +package com.baeldung.s; + +public class BadBook { + + private String name; + private String author; + private String text; + + //constructor, getters and setters + + + //methods that directly relate to the book properties + public String replaceWordInText(String word){ + return text.replaceAll(word, text); + } + + public boolean isWordInText(String word){ + return text.contains(word); + } + + //methods for outputting text to console - should this really be here? + void printTextToConsole(){ + //our code for formatting and printing the text + } + + +} diff --git a/patterns/solid/src/main/java/com/baeldung/s/BookPrinter.java b/patterns/solid/src/main/java/com/baeldung/s/BookPrinter.java new file mode 100644 index 0000000000..0c8ef62e01 --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/s/BookPrinter.java @@ -0,0 +1,13 @@ +package com.baeldung.s; + +public class BookPrinter { + + //methods for outputting text + void printTextToConsole(String text){ + //our code for formatting and printing the text + } + + void printTextToAnotherMedium(String text){ + //code for writing to any other location.. + } +} diff --git a/patterns/solid/src/main/java/com/baeldung/s/GoodBook.java b/patterns/solid/src/main/java/com/baeldung/s/GoodBook.java new file mode 100644 index 0000000000..b0993aca2b --- /dev/null +++ b/patterns/solid/src/main/java/com/baeldung/s/GoodBook.java @@ -0,0 +1,20 @@ +package com.baeldung.s; + +public class GoodBook { + + private String name; + private String author; + private String text; + + //constructor, getters and setters + + //methods that directly relate to the book properties + public String replaceWordInText(String word){ + return text.replaceAll(word, text); + } + + public boolean isWordInText(String word){ + return text.contains(word); + } + +} diff --git a/persistence-modules/activejdbc/pom.xml b/persistence-modules/activejdbc/pom.xml index 6a29f14ced..45a618b840 100644 --- a/persistence-modules/activejdbc/pom.xml +++ b/persistence-modules/activejdbc/pom.xml @@ -3,8 +3,8 @@ 4.0.0 activejdbc 1.0-SNAPSHOT - jar activejdbc + jar http://maven.apache.org diff --git a/persistence-modules/apache-cayenne/pom.xml b/persistence-modules/apache-cayenne/pom.xml index d0c6d1f2b2..776b2b5233 100644 --- a/persistence-modules/apache-cayenne/pom.xml +++ b/persistence-modules/apache-cayenne/pom.xml @@ -2,11 +2,10 @@ 4.0.0 - apache-cayenne 0.0.1-SNAPSHOT - jar apache-cayenne + jar Introduction to Apache Cayenne diff --git a/persistence-modules/core-java-persistence/pom.xml b/persistence-modules/core-java-persistence/pom.xml index f012d60ee6..a777eeb73f 100644 --- a/persistence-modules/core-java-persistence/pom.xml +++ b/persistence-modules/core-java-persistence/pom.xml @@ -4,14 +4,16 @@ com.baeldung.core-java-persistence core-java-persistence 0.1.0-SNAPSHOT - jar core-java-persistence + jar + com.baeldung parent-java 0.0.1-SNAPSHOT ../../parent-java + org.assertj @@ -50,6 +52,7 @@ ${springframework.boot.spring-boot-starter.version} + core-java-persistence @@ -58,7 +61,8 @@ true - + + 3.10.0 1.4.197 @@ -68,4 +72,5 @@ 1.5.8.RELEASE 4.3.4.RELEASE + \ No newline at end of file diff --git a/persistence-modules/core-java-persistence/src/main/java/com/baeldung/jdbc/Employee.java b/persistence-modules/core-java-persistence/src/main/java/com/baeldung/jdbc/Employee.java index 749855ca3b..27aef8b82f 100644 --- a/persistence-modules/core-java-persistence/src/main/java/com/baeldung/jdbc/Employee.java +++ b/persistence-modules/core-java-persistence/src/main/java/com/baeldung/jdbc/Employee.java @@ -1,5 +1,7 @@ package com.baeldung.jdbc; +import java.util.Objects; + public class Employee { private int id; private String name; @@ -48,4 +50,21 @@ public class Employee { this.position = position; } + @Override + public int hashCode() { + return Objects.hash(id, name, position, salary); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) + return true; + if (obj == null) + return false; + if (getClass() != obj.getClass()) + return false; + Employee other = (Employee) obj; + return id == other.id && Objects.equals(name, other.name) && Objects.equals(position, other.position) && Double.doubleToLongBits(salary) == Double.doubleToLongBits(other.salary); + } + } diff --git a/persistence-modules/core-java-persistence/src/test/java/com/baeldung/jdbc/ResultSetLiveTest.java b/persistence-modules/core-java-persistence/src/test/java/com/baeldung/jdbc/ResultSetLiveTest.java new file mode 100644 index 0000000000..4e10f8bd43 --- /dev/null +++ b/persistence-modules/core-java-persistence/src/test/java/com/baeldung/jdbc/ResultSetLiveTest.java @@ -0,0 +1,359 @@ +package com.baeldung.jdbc; + +import static org.junit.Assert.assertEquals; + +import java.sql.Connection; +import java.sql.DatabaseMetaData; +import java.sql.DriverManager; +import java.sql.PreparedStatement; +import java.sql.ResultSet; +import java.sql.ResultSetMetaData; +import java.sql.SQLException; +import java.sql.Statement; +import java.util.ArrayList; +import java.util.List; + +import org.apache.log4j.Logger; +import org.junit.AfterClass; +import org.junit.BeforeClass; +import org.junit.FixMethodOrder; +import org.junit.Test; +import org.junit.runners.MethodSorters; + +import junit.framework.Assert; + +@FixMethodOrder(MethodSorters.NAME_ASCENDING) +public class ResultSetLiveTest { + + private static final Logger logger = Logger.getLogger(ResultSetLiveTest.class); + + private final Employee expectedEmployee1 = new Employee(1, "John", 1000.0, "Developer"); + + private final Employee updatedEmployee1 = new Employee(1, "John", 1100.0, "Developer"); + + private final Employee expectedEmployee2 = new Employee(2, "Chris", 925.0, "DBA"); + + private final int rowCount = 2; + + private static Connection dbConnection; + + @BeforeClass + public static void setup() throws ClassNotFoundException, SQLException { + Class.forName("com.mysql.cj.jdbc.Driver"); + dbConnection = DriverManager.getConnection("jdbc:mysql://localhost:3306/myDB?noAccessToProcedureBodies=true", "user1", "pass"); + String tableSql = "CREATE TABLE IF NOT EXISTS employees (emp_id int PRIMARY KEY AUTO_INCREMENT, name varchar(30), position varchar(30), salary double)"; + try (Statement stmt = dbConnection.createStatement()) { + stmt.execute(tableSql); + try (PreparedStatement pstmt = dbConnection.prepareStatement("INSERT INTO employees(name, position, salary) values ('John', 'Developer', 1000.0)")) { + pstmt.executeUpdate(); + } + } + } + + @Test + public void givenDbConnectionA_whenRetreiveByColumnNames_thenCorrect() throws SQLException { + Employee employee = null; + try (PreparedStatement pstmt = dbConnection.prepareStatement("select * from employees"); ResultSet rs = pstmt.executeQuery()) { + while (rs.next()) { + String name = rs.getString("name"); + Integer empId = rs.getInt("emp_id"); + Double salary = rs.getDouble("salary"); + String position = rs.getString("position"); + employee = new Employee(empId, name, salary, position); + } + } + + assertEquals("Employee information retreived by column names.", expectedEmployee1, employee); + } + + @Test + public void givenDbConnectionB_whenRetreiveByColumnIds_thenCorrect() throws SQLException { + Employee employee = null; + try (PreparedStatement pstmt = dbConnection.prepareStatement("select * from employees"); ResultSet rs = pstmt.executeQuery()) { + while (rs.next()) { + Integer empId = rs.getInt(1); + String name = rs.getString(2); + String position = rs.getString(3); + Double salary = rs.getDouble(4); + employee = new Employee(empId, name, salary, position); + } + } + + assertEquals("Employee information retreived by column ids.", expectedEmployee1, employee); + } + + @Test + public void givenDbConnectionD_whenInsertRow_thenCorrect() throws SQLException { + int rowCount = 0; + try (PreparedStatement pstmt = dbConnection.prepareStatement("select * from employees", ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE); ResultSet rs = pstmt.executeQuery()) { + rs.moveToInsertRow(); + rs.updateString("name", "Chris"); + rs.updateString("position", "DBA"); + rs.updateDouble("salary", 925.0); + rs.insertRow(); + rs.moveToCurrentRow(); + rs.last(); + rowCount = rs.getRow(); + } + + assertEquals("Row Count after inserting a row", 2, rowCount); + } + + private Employee populateResultSet(ResultSet rs) throws SQLException { + Employee employee; + String name = rs.getString("name"); + Integer empId = rs.getInt("emp_id"); + Double salary = rs.getDouble("salary"); + String position = rs.getString("position"); + employee = new Employee(empId, name, salary, position); + return employee; + } + + @Test + public void givenDbConnectionE_whenRowCount_thenCorrect() throws SQLException { + int numOfRows = 0; + try (PreparedStatement pstmt = dbConnection.prepareStatement("select * from employees", ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE); ResultSet rs = pstmt.executeQuery()) { + rs.last(); + numOfRows = rs.getRow(); + } + + assertEquals("Num of rows", rowCount, numOfRows); + } + + @Test + public void givenDbConnectionG_whenAbsoluteNavigation_thenCorrect() throws SQLException { + Employee secondEmployee = null; + try (PreparedStatement pstmt = dbConnection.prepareStatement("select * from employees", ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE); ResultSet rs = pstmt.executeQuery()) { + rs.absolute(2); + secondEmployee = populateResultSet(rs); + } + + assertEquals("Absolute navigation", expectedEmployee2, secondEmployee); + } + + @Test + public void givenDbConnectionH_whenLastNavigation_thenCorrect() throws SQLException { + Employee secondEmployee = null; + try (PreparedStatement pstmt = dbConnection.prepareStatement("select * from employees", ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE); ResultSet rs = pstmt.executeQuery()) { + rs.last(); + secondEmployee = populateResultSet(rs); + } + + assertEquals("Using Last", expectedEmployee2, secondEmployee); + } + + @Test + public void givenDbConnectionI_whenNavigation_thenCorrect() throws SQLException { + Employee firstEmployee = null; + try (PreparedStatement pstmt = dbConnection.prepareStatement("select * from employees", ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE); ResultSet rs = pstmt.executeQuery()) { + while (rs.next()) { + Employee employee = populateResultSet(rs); + } + rs.beforeFirst(); + while (rs.next()) { + Employee employee = populateResultSet(rs); + } + rs.first(); + while (rs.next()) { + Employee employee = populateResultSet(rs); + } + while (rs.previous()) { + Employee employee = populateResultSet(rs); + } + rs.afterLast(); + while (rs.previous()) { + Employee employee = populateResultSet(rs); + } + rs.last(); + while (rs.previous()) { + firstEmployee = populateResultSet(rs); + } + } + + assertEquals("Several Navigation Options", updatedEmployee1, firstEmployee); + } + + @Test + public void givenDbConnectionJ_whenClosedCursor_thenCorrect() throws SQLException { + Employee employee = null; + dbConnection.setHoldability(ResultSet.CLOSE_CURSORS_AT_COMMIT); + try (Statement pstmt = dbConnection.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE, ResultSet.CLOSE_CURSORS_AT_COMMIT)) { + dbConnection.setAutoCommit(false); + ResultSet rs = pstmt.executeQuery("select * from employees"); + while (rs.next()) { + if (rs.getString("name") + .equalsIgnoreCase("john")) { + rs.updateString("position", "Senior Engineer"); + rs.updateRow(); + dbConnection.commit(); + employee = populateResultSet(rs); + } + } + rs.last(); + } + + assertEquals("Update using closed cursor", "Senior Engineer", employee.getPosition()); + } + + @Test + public void givenDbConnectionK_whenUpdate_thenCorrect() throws SQLException { + Employee employee = null; + dbConnection.setHoldability(ResultSet.HOLD_CURSORS_OVER_COMMIT); + try (Statement pstmt = dbConnection.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE, ResultSet.HOLD_CURSORS_OVER_COMMIT)) { + dbConnection.setAutoCommit(false); + ResultSet rs = pstmt.executeQuery("select * from employees"); + while (rs.next()) { + if (rs.getString("name") + .equalsIgnoreCase("john")) { + rs.updateString("name", "John Doe"); + rs.updateRow(); + dbConnection.commit(); + employee = populateResultSet(rs); + } + } + rs.last(); + } + + assertEquals("Update using open cursor", "John Doe", employee.getName()); + } + + @Test + public void givenDbConnectionM_whenDelete_thenCorrect() throws SQLException { + int numOfRows = 0; + try (PreparedStatement pstmt = dbConnection.prepareStatement("select * from employees", ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE); ResultSet rs = pstmt.executeQuery()) { + rs.absolute(2); + rs.deleteRow(); + } + try (PreparedStatement pstmt = dbConnection.prepareStatement("select * from employees", ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE); ResultSet rs = pstmt.executeQuery()) { + rs.last(); + numOfRows = rs.getRow(); + } + assertEquals("Deleted row", 1, numOfRows); + } + + @Test + public void givenDbConnectionC_whenUpdate_thenCorrect() throws SQLException { + Employee employee = null; + try (PreparedStatement pstmt = dbConnection.prepareStatement("select * from employees", ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE); ResultSet rs = pstmt.executeQuery()) { + while (rs.next()) { + + Assert.assertEquals(1100.0, rs.getDouble("salary")); + + rs.updateDouble("salary", 1200.0); + rs.updateRow(); + + Assert.assertEquals(1200.0, rs.getDouble("salary")); + + String name = rs.getString("name"); + Integer empId = rs.getInt("emp_id"); + Double salary = rs.getDouble("salary"); + String position = rs.getString("position"); + employee = new Employee(empId, name, salary, position); + } + } + } + + @Test + public void givenDbConnectionC_whenUpdateByIndex_thenCorrect() throws SQLException { + Employee employee = null; + try (PreparedStatement pstmt = dbConnection.prepareStatement("select * from employees", ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE); ResultSet rs = pstmt.executeQuery()) { + while (rs.next()) { + + Assert.assertEquals(1000.0, rs.getDouble(4)); + + rs.updateDouble(4, 1100.0); + rs.updateRow(); + Assert.assertEquals(1100.0, rs.getDouble(4)); + + String name = rs.getString("name"); + Integer empId = rs.getInt("emp_id"); + Double salary = rs.getDouble("salary"); + String position = rs.getString("position"); + employee = new Employee(empId, name, salary, position); + } + } + } + + @Test + public void givenDbConnectionE_whenDBMetaInfo_thenCorrect() throws SQLException { + DatabaseMetaData dbmd = dbConnection.getMetaData(); + boolean supportsTypeForward = dbmd.supportsResultSetType(ResultSet.TYPE_FORWARD_ONLY); + boolean supportsTypeScrollSensitive = dbmd.supportsResultSetType(ResultSet.TYPE_SCROLL_SENSITIVE); + boolean supportsTypeScrollInSensitive = dbmd.supportsResultSetType(ResultSet.TYPE_SCROLL_INSENSITIVE); + boolean supportsCloseCursorsAtCommit = dbmd.supportsResultSetHoldability(ResultSet.CLOSE_CURSORS_AT_COMMIT); + boolean supportsHoldCursorsAtCommit = dbmd.supportsResultSetHoldability(ResultSet.HOLD_CURSORS_OVER_COMMIT); + boolean concurrency4TypeFwdNConcurReadOnly = dbmd.supportsResultSetConcurrency(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY); + boolean concurrency4TypeFwdNConcurUpdatable = dbmd.supportsResultSetConcurrency(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_UPDATABLE); + boolean concurrency4TypeScrollInSensitiveNConcurUpdatable = dbmd.supportsResultSetConcurrency(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE); + boolean concurrency4TypeScrollInSensitiveNConcurReadOnly = dbmd.supportsResultSetConcurrency(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY); + boolean concurrency4TypeScrollSensitiveNConcurUpdatable = dbmd.supportsResultSetConcurrency(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE); + boolean concurrency4TypeScrollSensitiveNConcurReadOnly = dbmd.supportsResultSetConcurrency(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY); + int rsHoldability = dbmd.getResultSetHoldability(); + + assertEquals("checking scroll sensitivity and concur updates : ", true, concurrency4TypeScrollInSensitiveNConcurUpdatable); + } + + @Test + public void givenDbConnectionF_whenRSMetaInfo_thenCorrect() throws SQLException { + int columnCount = 0; + try (PreparedStatement pstmt = dbConnection.prepareStatement("select * from employees", ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE); ResultSet rs = pstmt.executeQuery()) { + ResultSetMetaData metaData = rs.getMetaData(); + columnCount = metaData.getColumnCount(); + for (int i = 1; i <= columnCount; i++) { + String catalogName = metaData.getCatalogName(i); + String className = metaData.getColumnClassName(i); + String label = metaData.getColumnLabel(i); + String name = metaData.getColumnName(i); + String typeName = metaData.getColumnTypeName(i); + Integer type = metaData.getColumnType(i); + String tableName = metaData.getTableName(i); + String schemaName = metaData.getSchemaName(i); + boolean isAutoIncrement = metaData.isAutoIncrement(i); + boolean isCaseSensitive = metaData.isCaseSensitive(i); + boolean isCurrency = metaData.isCurrency(i); + boolean isDefiniteWritable = metaData.isDefinitelyWritable(i); + boolean isReadOnly = metaData.isReadOnly(i); + boolean isSearchable = metaData.isSearchable(i); + boolean isReadable = metaData.isReadOnly(i); + boolean isSigned = metaData.isSigned(i); + boolean isWritable = metaData.isWritable(i); + int nullable = metaData.isNullable(i); + } + } + + assertEquals("column count", 4, columnCount); + } + + @Test + public void givenDbConnectionL_whenFetch_thenCorrect() throws SQLException { + PreparedStatement pstmt = null; + ResultSet rs = null; + List listOfEmployees = new ArrayList(); + try { + pstmt = dbConnection.prepareStatement("select * from employees", ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE); + pstmt.setFetchSize(1); + rs = pstmt.executeQuery(); + rs.setFetchSize(1); + while (rs.next()) { + Employee employee = populateResultSet(rs); + listOfEmployees.add(employee); + } + } catch (Exception e) { + throw e; + } finally { + if (rs != null) + rs.close(); + if (pstmt != null) + pstmt.close(); + } + + assertEquals(2, listOfEmployees.size()); + } + + @AfterClass + public static void closeConnection() throws SQLException { + PreparedStatement deleteStmt = dbConnection.prepareStatement("drop table employees", ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE); + deleteStmt.execute(); + dbConnection.close(); + } +} \ No newline at end of file diff --git a/persistence-modules/deltaspike/pom.xml b/persistence-modules/deltaspike/pom.xml index b798d2f39e..9a4669102a 100644 --- a/persistence-modules/deltaspike/pom.xml +++ b/persistence-modules/deltaspike/pom.xml @@ -5,8 +5,8 @@ com.baeldung deltaspike 1.0 - war deltaspike + war A starter Java EE 7 webapp which uses DeltaSpike http://wildfly.org diff --git a/persistence-modules/flyway/pom.xml b/persistence-modules/flyway/pom.xml index 237b426521..eb827f5675 100644 --- a/persistence-modules/flyway/pom.xml +++ b/persistence-modules/flyway/pom.xml @@ -3,8 +3,8 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 flyway - jar flyway + jar Flyway Callbacks Demo diff --git a/persistence-modules/hibernate5/README.md b/persistence-modules/hibernate5/README.md index b6e112b5fc..a37720a428 100644 --- a/persistence-modules/hibernate5/README.md +++ b/persistence-modules/hibernate5/README.md @@ -18,6 +18,17 @@ - [@JoinColumn Annotation Explained](https://www.baeldung.com/jpa-join-column) - [Hibernate 5 Naming Strategy Configuration](https://www.baeldung.com/hibernate-naming-strategy) - [Proxy in Hibernate load() Method](https://www.baeldung.com/hibernate-proxy-load-method) -- [Custom Types in Hibernate](https://www.baeldung.com/hibernate-custom-types) +- [Custom Types in Hibernate and the @Type Annotation](https://www.baeldung.com/hibernate-custom-types) - [Criteria API – An Example of IN Expressions](https://www.baeldung.com/jpa-criteria-api-in-expressions) - [Difference Between @JoinColumn and mappedBy](https://www.baeldung.com/jpa-joincolumn-vs-mappedby) +- [Hibernate 5 Bootstrapping API](https://www.baeldung.com/hibernate-5-bootstrapping-api) +- [Criteria Queries Using JPA Metamodel](https://www.baeldung.com/hibernate-criteria-queries-metamodel) +- [Guide to the Hibernate EntityManager](https://www.baeldung.com/hibernate-entitymanager) +- [Get All Data from a Table with Hibernate](https://www.baeldung.com/hibernate-select-all) +- [One-to-One Relationship in JPA](https://www.baeldung.com/jpa-one-to-one) +- [Hibernate Named Query](https://www.baeldung.com/hibernate-named-query) +- [Using c3p0 with Hibernate](https://www.baeldung.com/hibernate-c3p0) +- [Persist a JSON Object Using Hibernate](https://www.baeldung.com/hibernate-persist-json-object) +- [Common Hibernate Exceptions](https://www.baeldung.com/hibernate-exceptions) +- [Hibernate Aggregate Functions](https://www.baeldung.com/hibernate-aggregate-functions) +- [Hibernate Query Plan Cache](https://www.baeldung.com/hibernate-query-plan-cache) diff --git a/persistence-modules/hibernate5/pom.xml b/persistence-modules/hibernate5/pom.xml index 9bfea14d30..a09669c8b5 100644 --- a/persistence-modules/hibernate5/pom.xml +++ b/persistence-modules/hibernate5/pom.xml @@ -72,7 +72,16 @@ org.hibernate hibernate-jpamodelgen ${hibernate.version} - provided + + + org.openjdk.jmh + jmh-core + ${openjdk-jmh.version} + + + org.openjdk.jmh + jmh-generator-annprocess + ${openjdk-jmh.version} @@ -93,6 +102,7 @@ 1.4.196 3.8.0 2.9.7 + 1.21 diff --git a/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/HibernateUtil.java b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/HibernateUtil.java index e0d1de591b..ea0af97d5a 100644 --- a/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/HibernateUtil.java +++ b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/HibernateUtil.java @@ -68,6 +68,11 @@ public class HibernateUtil { return sessionFactory; } + public static SessionFactory getSessionFactoryByProperties(Properties properties) throws IOException { + ServiceRegistry serviceRegistry = configureServiceRegistry(properties); + return makeSessionFactory(serviceRegistry); + } + private static SessionFactory makeSessionFactory(ServiceRegistry serviceRegistry) { MetadataSources metadataSources = new MetadataSources(serviceRegistry); @@ -119,12 +124,15 @@ public class HibernateUtil { } private static ServiceRegistry configureServiceRegistry() throws IOException { - Properties properties = getProperties(); + return configureServiceRegistry(getProperties()); + } + + private static ServiceRegistry configureServiceRegistry(Properties properties) throws IOException { return new StandardServiceRegistryBuilder().applySettings(properties) .build(); } - private static Properties getProperties() throws IOException { + public static Properties getProperties() throws IOException { Properties properties = new Properties(); URL propertiesURL = Thread.currentThread() .getContextClassLoader() diff --git a/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/criteriaquery/HibernateUtil.java b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/criteriaquery/HibernateUtil.java index 0d11ea1567..35cfe55ba6 100644 --- a/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/criteriaquery/HibernateUtil.java +++ b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/criteriaquery/HibernateUtil.java @@ -35,7 +35,6 @@ public class HibernateUtil { Metadata metadata = metadataSources.getMetadataBuilder() .applyBasicType(LocalDateStringType.INSTANCE) .build(); - return metadata.getSessionFactoryBuilder().build(); } catch (IOException ex) { throw new ExceptionInInitializerError(ex); diff --git a/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/exception/EntityWithNoId.java b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/exception/EntityWithNoId.java new file mode 100644 index 0000000000..989fa1281a --- /dev/null +++ b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/exception/EntityWithNoId.java @@ -0,0 +1,16 @@ +package com.baeldung.hibernate.exception; + +import javax.persistence.Entity; + +@Entity +public class EntityWithNoId { + private int id; + + public int getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } +} diff --git a/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/exception/HibernateUtil.java b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/exception/HibernateUtil.java new file mode 100644 index 0000000000..ae5174ac9c --- /dev/null +++ b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/exception/HibernateUtil.java @@ -0,0 +1,63 @@ +package com.baeldung.hibernate.exception; + +import java.io.FileInputStream; +import java.io.IOException; +import java.net.URL; +import java.util.Properties; + +import org.apache.commons.lang3.StringUtils; +import org.hibernate.SessionFactory; +import org.hibernate.boot.Metadata; +import org.hibernate.boot.MetadataSources; +import org.hibernate.boot.registry.StandardServiceRegistryBuilder; +import org.hibernate.service.ServiceRegistry; + +public class HibernateUtil { + private static SessionFactory sessionFactory; + private static String PROPERTY_FILE_NAME; + + public static SessionFactory getSessionFactory() throws IOException { + return getSessionFactory(null); + } + + public static SessionFactory getSessionFactory(String propertyFileName) + throws IOException { + PROPERTY_FILE_NAME = propertyFileName; + if (sessionFactory == null) { + ServiceRegistry serviceRegistry = configureServiceRegistry(); + sessionFactory = makeSessionFactory(serviceRegistry); + } + return sessionFactory; + } + + private static SessionFactory makeSessionFactory( + ServiceRegistry serviceRegistry) { + MetadataSources metadataSources = new MetadataSources(serviceRegistry); + metadataSources.addAnnotatedClass(Product.class); + Metadata metadata = metadataSources.getMetadataBuilder() + .build(); + return metadata.getSessionFactoryBuilder() + .build(); + + } + + private static ServiceRegistry configureServiceRegistry() + throws IOException { + Properties properties = getProperties(); + return new StandardServiceRegistryBuilder().applySettings(properties) + .build(); + } + + private static Properties getProperties() throws IOException { + Properties properties = new Properties(); + URL propertiesURL = Thread.currentThread() + .getContextClassLoader() + .getResource(StringUtils.defaultString(PROPERTY_FILE_NAME, + "hibernate-exception.properties")); + try (FileInputStream inputStream = new FileInputStream( + propertiesURL.getFile())) { + properties.load(inputStream); + } + return properties; + } +} \ No newline at end of file diff --git a/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/exception/Product.java b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/exception/Product.java new file mode 100644 index 0000000000..031fa38de0 --- /dev/null +++ b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/exception/Product.java @@ -0,0 +1,40 @@ +package com.baeldung.hibernate.exception; + +import javax.persistence.Column; +import javax.persistence.Entity; +import javax.persistence.Id; + +@Entity +public class Product { + + private int id; + + private String name; + private String description; + + @Id + public int getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } + + @Column(nullable=false) + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public String getDescription() { + return description; + } + + public void setDescription(String description) { + this.description = description; + } +} diff --git a/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/pojo/Student.java b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/pojo/Student.java index a6dec4a30d..9b26c117eb 100644 --- a/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/pojo/Student.java +++ b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/pojo/Student.java @@ -9,15 +9,43 @@ import javax.persistence.Id; public class Student { @Id - @GeneratedValue (strategy = GenerationType.SEQUENCE) + @GeneratedValue(strategy = GenerationType.SEQUENCE) private long studentId; + private String name; + + private int age; + + public Student() { + } + + public Student(String name, int age) { + this.name = name; + this.age = age; + } + public long getStudentId() { return studentId; } - public void setStudent_id(long studentId) { + public void setStudentId(long studentId) { this.studentId = studentId; } - + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public int getAge() { + return age; + } + + public void setAge(int age) { + this.age = age; + } + } diff --git a/persistence-modules/hibernate5/src/test/java/com/baeldung/hibernate/aggregatefunctions/AggregateFunctionsIntegrationTest.java b/persistence-modules/hibernate5/src/test/java/com/baeldung/hibernate/aggregatefunctions/AggregateFunctionsIntegrationTest.java new file mode 100644 index 0000000000..0b2bdf7ead --- /dev/null +++ b/persistence-modules/hibernate5/src/test/java/com/baeldung/hibernate/aggregatefunctions/AggregateFunctionsIntegrationTest.java @@ -0,0 +1,87 @@ +package com.baeldung.hibernate.aggregatefunctions; + +import static org.assertj.core.api.Assertions.assertThat; + +import java.io.IOException; + +import org.hibernate.HibernateException; +import org.hibernate.Session; +import org.hibernate.Transaction; +import org.junit.AfterClass; +import org.junit.BeforeClass; +import org.junit.Test; + +import com.baeldung.hibernate.HibernateUtil; +import com.baeldung.hibernate.pojo.Student; + +public class AggregateFunctionsIntegrationTest { + + private static Session session; + private static Transaction transaction; + + @BeforeClass + public static final void setup() throws HibernateException, IOException { + session = HibernateUtil.getSessionFactory() + .openSession(); + transaction = session.beginTransaction(); + + Student jonas = new Student("Jonas", 22); + session.save(jonas); + + Student sally = new Student("Sally", 20); + session.save(sally); + + Student simon = new Student("Simon", 25); + session.save(simon); + + Student raven = new Student("Raven", 21); + session.save(raven); + + Student sam = new Student("Sam", 23); + session.save(sam); + + } + + @AfterClass + public static final void teardown() { + if (session != null) { + transaction.rollback(); + session.close(); + } + } + + @Test + public void whenMaxAge_ThenReturnValue() { + int maxAge = (int) session.createQuery("SELECT MAX(age) from Student") + .getSingleResult(); + assertThat(maxAge).isEqualTo(25); + } + + @Test + public void whenMinAge_ThenReturnValue() { + int minAge = (int) session.createQuery("SELECT MIN(age) from Student") + .getSingleResult(); + assertThat(minAge).isEqualTo(20); + } + + @Test + public void whenAverageAge_ThenReturnValue() { + Double avgAge = (Double) session.createQuery("SELECT AVG(age) from Student") + .getSingleResult(); + assertThat(avgAge).isEqualTo(22.2); + } + + @Test + public void whenCountAll_ThenReturnValue() { + Long totalStudents = (Long) session.createQuery("SELECT COUNT(*) from Student") + .getSingleResult(); + assertThat(totalStudents).isEqualTo(5); + } + + @Test + public void whenSumOfAllAges_ThenReturnValue() { + Long sumOfAllAges = (Long) session.createQuery("SELECT SUM(age) from Student") + .getSingleResult(); + assertThat(sumOfAllAges).isEqualTo(111); + } +} diff --git a/persistence-modules/hibernate5/src/test/java/com/baeldung/hibernate/exception/HibernateExceptionUnitTest.java b/persistence-modules/hibernate5/src/test/java/com/baeldung/hibernate/exception/HibernateExceptionUnitTest.java new file mode 100644 index 0000000000..3581c81daa --- /dev/null +++ b/persistence-modules/hibernate5/src/test/java/com/baeldung/hibernate/exception/HibernateExceptionUnitTest.java @@ -0,0 +1,425 @@ +package com.baeldung.hibernate.exception; + +import static org.hamcrest.CoreMatchers.isA; +import static org.junit.Assert.assertNotNull; + +import java.io.IOException; +import java.util.List; + +import javax.persistence.OptimisticLockException; +import javax.persistence.PersistenceException; + +import org.hibernate.AnnotationException; +import org.hibernate.HibernateException; +import org.hibernate.MappingException; +import org.hibernate.NonUniqueObjectException; +import org.hibernate.PropertyValueException; +import org.hibernate.Session; +import org.hibernate.SessionFactory; +import org.hibernate.StaleObjectStateException; +import org.hibernate.StaleStateException; +import org.hibernate.Transaction; +import org.hibernate.TransactionException; +import org.hibernate.cfg.AvailableSettings; +import org.hibernate.cfg.Configuration; +import org.hibernate.exception.ConstraintViolationException; +import org.hibernate.exception.DataException; +import org.hibernate.exception.SQLGrammarException; +import org.hibernate.query.NativeQuery; +import org.hibernate.tool.schema.spi.CommandAcceptanceException; +import org.hibernate.tool.schema.spi.SchemaManagementException; +import org.junit.Before; +import org.junit.Rule; +import org.junit.Test; +import org.junit.rules.ExpectedException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class HibernateExceptionUnitTest { + + private static final Logger logger = LoggerFactory + .getLogger(HibernateExceptionUnitTest.class); + private SessionFactory sessionFactory; + + @Before + public void setUp() throws IOException { + sessionFactory = HibernateUtil.getSessionFactory(); + } + + @Rule + public ExpectedException thrown = ExpectedException.none(); + + private Configuration getConfiguration() { + Configuration cfg = new Configuration(); + cfg.setProperty(AvailableSettings.DIALECT, + "org.hibernate.dialect.H2Dialect"); + cfg.setProperty(AvailableSettings.HBM2DDL_AUTO, "none"); + cfg.setProperty(AvailableSettings.DRIVER, "org.h2.Driver"); + cfg.setProperty(AvailableSettings.URL, + "jdbc:h2:mem:myexceptiondb2;DB_CLOSE_DELAY=-1"); + cfg.setProperty(AvailableSettings.USER, "sa"); + cfg.setProperty(AvailableSettings.PASS, ""); + return cfg; + } + + @Test + public void whenQueryExecutedWithUnmappedEntity_thenMappingException() { + thrown.expectCause(isA(MappingException.class)); + thrown.expectMessage("Unknown entity: java.lang.String"); + + Session session = sessionFactory.openSession(); + NativeQuery query = session + .createNativeQuery("select name from PRODUCT", String.class); + query.getResultList(); + } + + @Test + @SuppressWarnings("rawtypes") + public void whenQueryExecuted_thenOK() { + Session session = sessionFactory.openSession(); + NativeQuery query = session + .createNativeQuery("select name from PRODUCT"); + List results = query.getResultList(); + assertNotNull(results); + } + + @Test + public void givenEntityWithoutId_whenSessionFactoryCreated_thenAnnotationException() { + thrown.expect(AnnotationException.class); + thrown.expectMessage("No identifier specified for entity"); + + Configuration cfg = getConfiguration(); + cfg.addAnnotatedClass(EntityWithNoId.class); + cfg.buildSessionFactory(); + } + + @Test + public void givenMissingTable_whenSchemaValidated_thenSchemaManagementException() { + thrown.expect(SchemaManagementException.class); + thrown.expectMessage("Schema-validation: missing table"); + + Configuration cfg = getConfiguration(); + cfg.setProperty(AvailableSettings.HBM2DDL_AUTO, "validate"); + cfg.addAnnotatedClass(Product.class); + cfg.buildSessionFactory(); + } + + @Test + public void whenWrongDialectSpecified_thenCommandAcceptanceException() { + thrown.expect(SchemaManagementException.class); + thrown.expectCause(isA(CommandAcceptanceException.class)); + thrown.expectMessage("Halting on error : Error executing DDL"); + + Configuration cfg = getConfiguration(); + cfg.setProperty(AvailableSettings.DIALECT, + "org.hibernate.dialect.MySQLDialect"); + cfg.setProperty(AvailableSettings.HBM2DDL_AUTO, "update"); + + // This does not work due to hibernate bug + // cfg.setProperty(AvailableSettings.HBM2DDL_HALT_ON_ERROR,"true"); + cfg.getProperties() + .put(AvailableSettings.HBM2DDL_HALT_ON_ERROR, true); + + cfg.addAnnotatedClass(Product.class); + cfg.buildSessionFactory(); + } + + @Test + public void givenMissingTable_whenEntitySaved_thenSQLGrammarException() { + thrown.expect(isA(PersistenceException.class)); + thrown.expectCause(isA(SQLGrammarException.class)); + thrown + .expectMessage("SQLGrammarException: could not prepare statement"); + + Configuration cfg = getConfiguration(); + cfg.addAnnotatedClass(Product.class); + + SessionFactory sessionFactory = cfg.buildSessionFactory(); + Session session = null; + Transaction transaction = null; + try { + + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + Product product = new Product(); + product.setId(1); + product.setName("Product 1"); + session.save(product); + transaction.commit(); + } catch (Exception e) { + rollbackTransactionQuietly(transaction); + throw (e); + } finally { + closeSessionQuietly(session); + closeSessionFactoryQuietly(sessionFactory); + } + } + + @Test + public void givenMissingTable_whenQueryExecuted_thenSQLGrammarException() { + thrown.expect(isA(PersistenceException.class)); + thrown.expectCause(isA(SQLGrammarException.class)); + thrown + .expectMessage("SQLGrammarException: could not prepare statement"); + + Session session = sessionFactory.openSession(); + NativeQuery query = session.createNativeQuery( + "select * from NON_EXISTING_TABLE", Product.class); + query.getResultList(); + } + + @Test + public void whenDuplicateIdSaved_thenConstraintViolationException() { + thrown.expect(isA(PersistenceException.class)); + thrown.expectCause(isA(ConstraintViolationException.class)); + thrown.expectMessage( + "ConstraintViolationException: could not execute statement"); + + Session session = null; + Transaction transaction = null; + + for (int i = 1; i <= 2; i++) { + try { + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + Product product = new Product(); + product.setId(1); + product.setName("Product " + i); + session.save(product); + transaction.commit(); + } catch (Exception e) { + rollbackTransactionQuietly(transaction); + throw (e); + } finally { + closeSessionQuietly(session); + } + } + } + + @Test + public void givenNotNullPropertyNotSet_whenEntityIdSaved_thenPropertyValueException() { + thrown.expect(isA(PropertyValueException.class)); + thrown.expectMessage( + "not-null property references a null or transient value"); + + Session session = null; + Transaction transaction = null; + + try { + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + + Product product = new Product(); + product.setId(1); + session.save(product); + transaction.commit(); + } catch (Exception e) { + rollbackTransactionQuietly(transaction); + throw (e); + } finally { + closeSessionQuietly(session); + } + + } + + @Test + public void givenQueryWithDataTypeMismatch_WhenQueryExecuted_thenDataException() { + thrown.expectCause(isA(DataException.class)); + thrown.expectMessage( + "org.hibernate.exception.DataException: could not prepare statement"); + + Session session = sessionFactory.openSession(); + NativeQuery query = session.createNativeQuery( + "select * from PRODUCT where id='wrongTypeId'", Product.class); + query.getResultList(); + } + + @Test + public void givenSessionContainingAnId_whenIdAssociatedAgain_thenNonUniqueObjectException() { + thrown.expect(isA(NonUniqueObjectException.class)); + thrown.expectMessage( + "A different object with the same identifier value was already associated with the session"); + + Session session = null; + Transaction transaction = null; + + try { + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + + Product product1 = new Product(); + product1.setId(1); + product1.setName("Product 1"); + session.save(product1); + + Product product2 = new Product(); + product2.setId(1); + product2.setName("Product 2"); + session.save(product2); + + transaction.commit(); + } catch (Exception e) { + rollbackTransactionQuietly(transaction); + throw (e); + } finally { + closeSessionQuietly(session); + } + } + + @Test + public void whenDeletingADeletedObject_thenOptimisticLockException() { + thrown.expect(isA(OptimisticLockException.class)); + thrown.expectMessage( + "Batch update returned unexpected row count from update"); + thrown.expectCause(isA(StaleStateException.class)); + + Session session = null; + Transaction transaction = null; + + try { + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + + Product product1 = new Product(); + product1.setId(12); + product1.setName("Product 12"); + session.save(product1); + transaction.commit(); + session.close(); + + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + Product product2 = session.get(Product.class, 12); + session.createNativeQuery("delete from Product where id=12") + .executeUpdate(); + // We need to refresh to fix the error. + // session.refresh(product2); + session.delete(product2); + transaction.commit(); + } catch (Exception e) { + rollbackTransactionQuietly(transaction); + throw (e); + } finally { + closeSessionQuietly(session); + } + } + + @Test + public void whenUpdatingNonExistingObject_thenStaleStateException() { + thrown.expect(isA(OptimisticLockException.class)); + thrown + .expectMessage("Row was updated or deleted by another transaction"); + thrown.expectCause(isA(StaleObjectStateException.class)); + + Session session = null; + Transaction transaction = null; + + try { + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + + Product product1 = new Product(); + product1.setId(15); + product1.setName("Product1"); + session.update(product1); + transaction.commit(); + } catch (Exception e) { + rollbackTransactionQuietly(transaction); + throw (e); + } finally { + closeSessionQuietly(session); + } + } + + @Test + public void givenTxnMarkedRollbackOnly_whenCommitted_thenTransactionException() { + thrown.expect(isA(TransactionException.class)); + + Session session = null; + Transaction transaction = null; + try { + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + + Product product1 = new Product(); + product1.setId(15); + product1.setName("Product1"); + session.save(product1); + transaction.setRollbackOnly(); + + transaction.commit(); + } catch (Exception e) { + rollbackTransactionQuietly(transaction); + throw (e); + } finally { + closeSessionQuietly(session); + } + } + + private void rollbackTransactionQuietly(Transaction transaction) { + if (transaction != null && transaction.isActive()) { + try { + transaction.rollback(); + } catch (Exception e) { + logger.error("Exception while rolling back transaction", e); + } + } + } + + private void closeSessionQuietly(Session session) { + if (session != null) { + try { + session.close(); + } catch (Exception e) { + logger.error("Exception while closing session", e); + } + } + } + + private void closeSessionFactoryQuietly(SessionFactory sessionFactory) { + if (sessionFactory != null) { + try { + sessionFactory.close(); + } catch (Exception e) { + logger.error("Exception while closing sessionFactory", e); + } + } + } + + @Test + public void givenExistingEntity_whenIdUpdated_thenHibernateException() { + thrown.expect(isA(PersistenceException.class)); + thrown.expectCause(isA(HibernateException.class)); + thrown.expectMessage( + "identifier of an instance of com.baeldung.hibernate.exception.Product was altered"); + + Session session = null; + Transaction transaction = null; + + try { + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + + Product product1 = new Product(); + product1.setId(222); + product1.setName("Product 222"); + session.save(product1); + transaction.commit(); + closeSessionQuietly(session); + + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + + Product product2 = session.get(Product.class, 222); + product2.setId(333); + session.save(product2); + + transaction.commit(); + } catch (Exception e) { + rollbackTransactionQuietly(transaction); + throw (e); + } finally { + closeSessionQuietly(session); + } + } +} diff --git a/persistence-modules/hibernate5/src/test/java/com/baeldung/hibernate/queryplancache/QueryPlanCacheBenchmark.java b/persistence-modules/hibernate5/src/test/java/com/baeldung/hibernate/queryplancache/QueryPlanCacheBenchmark.java new file mode 100644 index 0000000000..13eae3d877 --- /dev/null +++ b/persistence-modules/hibernate5/src/test/java/com/baeldung/hibernate/queryplancache/QueryPlanCacheBenchmark.java @@ -0,0 +1,106 @@ +package com.baeldung.hibernate.queryplancache; + +import com.baeldung.hibernate.HibernateUtil; +import org.hibernate.Session; +import org.hibernate.SessionFactory; +import org.hibernate.jpa.QueryHints; +import org.hibernate.query.Query; +import org.openjdk.jmh.annotations.Benchmark; +import org.openjdk.jmh.annotations.BenchmarkMode; +import org.openjdk.jmh.annotations.Fork; +import org.openjdk.jmh.annotations.Measurement; +import org.openjdk.jmh.annotations.Mode; +import org.openjdk.jmh.annotations.OutputTimeUnit; +import org.openjdk.jmh.annotations.Param; +import org.openjdk.jmh.annotations.Scope; +import org.openjdk.jmh.annotations.Setup; +import org.openjdk.jmh.annotations.State; +import org.openjdk.jmh.annotations.TearDown; +import org.openjdk.jmh.annotations.Warmup; +import org.openjdk.jmh.infra.Blackhole; +import org.openjdk.jmh.runner.RunnerException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.util.Properties; +import java.util.concurrent.TimeUnit; + +public class QueryPlanCacheBenchmark { + + private static final Logger LOGGER = LoggerFactory.getLogger(QueryPlanCacheBenchmark.class); + + @State(Scope.Thread) + public static class QueryPlanCacheBenchMarkState { + @Param({"1", "2", "3"}) + public int planCacheSize; + + public Session session; + + @Setup + public void stateSetup() throws IOException { + LOGGER.info("State - Setup"); + session = initSession(planCacheSize); + LOGGER.info("State - Setup Complete"); + } + + private Session initSession(int planCacheSize) throws IOException { + Properties properties = HibernateUtil.getProperties(); + properties.put("hibernate.query.plan_cache_max_size", planCacheSize); + properties.put("hibernate.query.plan_parameter_metadata_max_size", planCacheSize); + SessionFactory sessionFactory = HibernateUtil.getSessionFactoryByProperties(properties); + return sessionFactory.openSession(); + } + + @TearDown + public void tearDownState() { + LOGGER.info("State - Teardown"); + SessionFactory sessionFactory = session.getSessionFactory(); + session.close(); + sessionFactory.close(); + LOGGER.info("State - Teardown complete"); + } + } + + @Benchmark + @BenchmarkMode(Mode.AverageTime) + @OutputTimeUnit(TimeUnit.MICROSECONDS) + @Fork(1) + @Warmup(iterations = 2) + @Measurement(iterations = 5) + public void givenQueryPlanCacheSize_thenCompileQueries(QueryPlanCacheBenchMarkState state, Blackhole blackhole) { + + Query query1 = findEmployeesByDepartmentNameQuery(state.session); + Query query2 = findEmployeesByDesignationQuery(state.session); + Query query3 = findDepartmentOfAnEmployeeQuery(state.session); + + blackhole.consume(query1); + blackhole.consume(query2); + blackhole.consume(query3); + + } + + private Query findEmployeesByDepartmentNameQuery(Session session) { + return session.createQuery("SELECT e FROM DeptEmployee e " + + "JOIN e.department WHERE e.department.name = :deptName") + .setMaxResults(30) + .setHint(QueryHints.HINT_FETCH_SIZE, 30); + } + + private Query findEmployeesByDesignationQuery(Session session) { + return session.createQuery("SELECT e FROM DeptEmployee e " + + "WHERE e.title = :designation") + .setHint(QueryHints.SPEC_HINT_TIMEOUT, 1000); + } + + private Query findDepartmentOfAnEmployeeQuery(Session session) { + return session.createQuery("SELECT e.department FROM DeptEmployee e " + + "JOIN e.department WHERE e.employeeNumber = :empId"); + + } + + public static void main(String... args) throws IOException, RunnerException { + //main-class to run the benchmark + org.openjdk.jmh.Main.main(args); + } +} diff --git a/persistence-modules/hibernate5/src/test/resources/hibernate-exception.properties b/persistence-modules/hibernate5/src/test/resources/hibernate-exception.properties new file mode 100644 index 0000000000..e08a23166d --- /dev/null +++ b/persistence-modules/hibernate5/src/test/resources/hibernate-exception.properties @@ -0,0 +1,16 @@ +hibernate.connection.driver_class=org.h2.Driver +hibernate.connection.url=jdbc:h2:mem:myexceptiondb1;DB_CLOSE_DELAY=-1 +hibernate.connection.username=sa +hibernate.connection.autocommit=true +jdbc.password= + +hibernate.dialect=org.hibernate.dialect.H2Dialect +hibernate.show_sql=true +hibernate.hbm2ddl.auto=create-drop + +hibernate.c3p0.min_size=5 +hibernate.c3p0.max_size=20 +hibernate.c3p0.acquire_increment=5 +hibernate.c3p0.timeout=1800 + +hibernate.transaction.factory_class=org.hibernate.transaction.JTATransactionFactory diff --git a/persistence-modules/influxdb/pom.xml b/persistence-modules/influxdb/pom.xml index 5043d61897..8e1aeebe6d 100644 --- a/persistence-modules/influxdb/pom.xml +++ b/persistence-modules/influxdb/pom.xml @@ -4,8 +4,8 @@ 4.0.0 influxdb 0.1-SNAPSHOT - jar influxdb + jar InfluxDB SDK Tutorial diff --git a/persistence-modules/java-jpa/README.md b/persistence-modules/java-jpa/README.md index 9a90216519..2c26581bab 100644 --- a/persistence-modules/java-jpa/README.md +++ b/persistence-modules/java-jpa/README.md @@ -2,4 +2,7 @@ - [A Guide to SqlResultSetMapping](http://www.baeldung.com/jpa-sql-resultset-mapping) - [A Guide to Stored Procedures with JPA](http://www.baeldung.com/jpa-stored-procedures) -- [Fixing the JPA error “java.lang.String cannot be cast to [Ljava.lang.String;”](https://www.baeldung.com/jpa-error-java-lang-string-cannot-be-cast) +- [Fixing the JPA error “java.lang.String cannot be cast to Ljava.lang.String;”](https://www.baeldung.com/jpa-error-java-lang-string-cannot-be-cast) +- [JPA Entity Graph](https://www.baeldung.com/jpa-entity-graph) +- [JPA 2.2 Support for Java 8 Date/Time Types](https://www.baeldung.com/jpa-java-time) +- [Converting Between LocalDate and SQL Date](https://www.baeldung.com/java-convert-localdate-sql-date) diff --git a/persistence-modules/java-jpa/pom.xml b/persistence-modules/java-jpa/pom.xml index ddab51a2e2..fa47d6bd9c 100644 --- a/persistence-modules/java-jpa/pom.xml +++ b/persistence-modules/java-jpa/pom.xml @@ -4,8 +4,8 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 java-jpa - java-jpa - + java-jpa + parent-modules com.baeldung @@ -24,10 +24,34 @@ h2 ${h2.version} + + + + javax.persistence + javax.persistence-api + 2.2 + + + + + org.eclipse.persistence + eclipselink + ${eclipselink.version} + runtime + + + org.postgresql + postgresql + ${postgres.version} + runtime + - 5.3.1.Final + 5.4.0.Final 1.4.197 + 2.7.4-RC1 + 42.2.5 + \ No newline at end of file diff --git a/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/datetime/DateTimeEntityRepository.java b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/datetime/DateTimeEntityRepository.java new file mode 100644 index 0000000000..0bd04da221 --- /dev/null +++ b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/datetime/DateTimeEntityRepository.java @@ -0,0 +1,68 @@ +package com.baeldung.jpa.datetime; + +import javax.persistence.EntityManager; +import javax.persistence.EntityManagerFactory; +import javax.persistence.Persistence; +import java.sql.Date; +import java.sql.Time; +import java.sql.Timestamp; +import java.time.*; +import java.util.Calendar; + +public class DateTimeEntityRepository { + private EntityManagerFactory emf = null; + + public DateTimeEntityRepository() { + emf = Persistence.createEntityManagerFactory("java8-datetime-postgresql"); + } + + public JPA22DateTimeEntity find(Long id) { + EntityManager entityManager = emf.createEntityManager(); + + JPA22DateTimeEntity dateTimeTypes = entityManager.find(JPA22DateTimeEntity.class, id); + + entityManager.close(); + return dateTimeTypes; + } + + public void save(Long id) { + JPA22DateTimeEntity dateTimeTypes = new JPA22DateTimeEntity(); + dateTimeTypes.setId(id); + + //java.sql types: date/time + dateTimeTypes.setSqlTime(Time.valueOf(LocalTime.now())); + dateTimeTypes.setSqlDate(Date.valueOf(LocalDate.now())); + dateTimeTypes.setSqlTimestamp(Timestamp.valueOf(LocalDateTime.now())); + + //java.util types: date/calendar + java.util.Date date = new java.util.Date(); + dateTimeTypes.setUtilTime(date); + dateTimeTypes.setUtilDate(date); + dateTimeTypes.setUtilTimestamp(date); + + //Calendar + Calendar calendar = Calendar.getInstance(); + dateTimeTypes.setCalendarTime(calendar); + dateTimeTypes.setCalendarDate(calendar); + dateTimeTypes.setCalendarTimestamp(calendar); + + //java.time types + dateTimeTypes.setLocalTime(LocalTime.now()); + dateTimeTypes.setLocalDate(LocalDate.now()); + dateTimeTypes.setLocalDateTime(LocalDateTime.now()); + + //java.time types with offset + dateTimeTypes.setOffsetTime(OffsetTime.now()); + dateTimeTypes.setOffsetDateTime(OffsetDateTime.now()); + + EntityManager entityManager = emf.createEntityManager(); + entityManager.getTransaction().begin(); + entityManager.persist(dateTimeTypes); + entityManager.getTransaction().commit(); + entityManager.close(); + } + + public void clean() { + emf.close(); + } +} diff --git a/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/datetime/JPA22DateTimeEntity.java b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/datetime/JPA22DateTimeEntity.java new file mode 100644 index 0000000000..065385bd86 --- /dev/null +++ b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/datetime/JPA22DateTimeEntity.java @@ -0,0 +1,176 @@ +package com.baeldung.jpa.datetime; + +import javax.persistence.*; +import java.sql.Date; +import java.sql.Time; +import java.sql.Timestamp; +import java.time.*; +import java.util.Calendar; + +@Entity +public class JPA22DateTimeEntity { + + @Id + private Long id; + + //java.sql types + private Time sqlTime; + private Date sqlDate; + private Timestamp sqlTimestamp; + + //java.util types + @Temporal(TemporalType.TIME) + private java.util.Date utilTime; + + @Temporal(TemporalType.DATE) + private java.util.Date utilDate; + + @Temporal(TemporalType.TIMESTAMP) + private java.util.Date utilTimestamp; + + //Calendar + @Temporal(TemporalType.TIME) + private Calendar calendarTime; + + @Temporal(TemporalType.DATE) + private Calendar calendarDate; + + @Temporal(TemporalType.TIMESTAMP) + private Calendar calendarTimestamp; + + // java.time types + @Column(name = "local_time", columnDefinition = "TIME") + private LocalTime localTime; + + @Column(name = "local_date", columnDefinition = "DATE") + private LocalDate localDate; + + @Column(name = "local_date_time", columnDefinition = "TIMESTAMP") + private LocalDateTime localDateTime; + + @Column(name = "offset_time", columnDefinition = "TIME WITH TIME ZONE") + private OffsetTime offsetTime; + + @Column(name = "offset_date_time", columnDefinition = "TIMESTAMP WITH TIME ZONE") + private OffsetDateTime offsetDateTime; + + public Long getId() { + return id; + } + + public void setId(Long id) { + this.id = id; + } + + public Time getSqlTime() { + return sqlTime; + } + + public void setSqlTime(Time sqlTime) { + this.sqlTime = sqlTime; + } + + public Date getSqlDate() { + return sqlDate; + } + + public void setSqlDate(Date sqlDate) { + this.sqlDate = sqlDate; + } + + public Timestamp getSqlTimestamp() { + return sqlTimestamp; + } + + public void setSqlTimestamp(Timestamp sqlTimestamp) { + this.sqlTimestamp = sqlTimestamp; + } + + public java.util.Date getUtilTime() { + return utilTime; + } + + public void setUtilTime(java.util.Date utilTime) { + this.utilTime = utilTime; + } + + public java.util.Date getUtilDate() { + return utilDate; + } + + public void setUtilDate(java.util.Date utilDate) { + this.utilDate = utilDate; + } + + public java.util.Date getUtilTimestamp() { + return utilTimestamp; + } + + public void setUtilTimestamp(java.util.Date utilTimestamp) { + this.utilTimestamp = utilTimestamp; + } + + public Calendar getCalendarTime() { + return calendarTime; + } + + public void setCalendarTime(Calendar calendarTime) { + this.calendarTime = calendarTime; + } + + public Calendar getCalendarDate() { + return calendarDate; + } + + public void setCalendarDate(Calendar calendarDate) { + this.calendarDate = calendarDate; + } + + public Calendar getCalendarTimestamp() { + return calendarTimestamp; + } + + public void setCalendarTimestamp(Calendar calendarTimestamp) { + this.calendarTimestamp = calendarTimestamp; + } + + public LocalTime getLocalTime() { + return localTime; + } + + public void setLocalTime(LocalTime localTime) { + this.localTime = localTime; + } + + public LocalDate getLocalDate() { + return localDate; + } + + public void setLocalDate(LocalDate localDate) { + this.localDate = localDate; + } + + public LocalDateTime getLocalDateTime() { + return localDateTime; + } + + public void setLocalDateTime(LocalDateTime localDateTime) { + this.localDateTime = localDateTime; + } + + public OffsetTime getOffsetTime() { + return offsetTime; + } + + public void setOffsetTime(OffsetTime offsetTime) { + this.offsetTime = offsetTime; + } + + public OffsetDateTime getOffsetDateTime() { + return offsetDateTime; + } + + public void setOffsetDateTime(OffsetDateTime offsetDateTime) { + this.offsetDateTime = offsetDateTime; + } +} diff --git a/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/datetime/MainApp.java b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/datetime/MainApp.java new file mode 100644 index 0000000000..7f23f44254 --- /dev/null +++ b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/datetime/MainApp.java @@ -0,0 +1,18 @@ +package com.baeldung.jpa.datetime; + +public class MainApp { + + public static void main(String... args) { + + DateTimeEntityRepository dateTimeEntityRepository = new DateTimeEntityRepository(); + + //Persist + dateTimeEntityRepository.save(100L); + + //Find + JPA22DateTimeEntity dateTimeEntity = dateTimeEntityRepository.find(100L); + + dateTimeEntityRepository.clean(); + } + +} \ No newline at end of file diff --git a/persistence-modules/java-jpa/src/main/java/com/baeldung/util/LocalDateConverter.java b/persistence-modules/java-jpa/src/main/java/com/baeldung/util/LocalDateConverter.java new file mode 100644 index 0000000000..00fd378b05 --- /dev/null +++ b/persistence-modules/java-jpa/src/main/java/com/baeldung/util/LocalDateConverter.java @@ -0,0 +1,25 @@ +package com.baeldung.util; + +import javax.persistence.AttributeConverter; +import javax.persistence.Converter; +import java.sql.Date; +import java.time.LocalDate; +import java.util.Optional; + +@Converter(autoApply = true) +public class LocalDateConverter implements AttributeConverter { + + @Override + public Date convertToDatabaseColumn(LocalDate localDate) { + return Optional.ofNullable(localDate) + .map(Date::valueOf) + .orElse(null); + } + + @Override + public LocalDate convertToEntityAttribute(Date date) { + return Optional.ofNullable(date) + .map(Date::toLocalDate) + .orElse(null); + } +} \ No newline at end of file diff --git a/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml b/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml index 433d456cc9..8592fce533 100644 --- a/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml +++ b/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml @@ -2,12 +2,14 @@ + http://xmlns.jcp.org/xml/ns/persistence/persistence_2_2.xsd" + version="2.2"> org.hibernate.jpa.HibernatePersistenceProvider com.baeldung.sqlresultsetmapping.ScheduledDay + com.baeldung.sqlresultsetmapping.Employee + true org.hibernate.jpa.HibernatePersistenceProvider com.baeldung.jpa.stringcast.Message + true @@ -39,6 +42,7 @@ org.hibernate.jpa.HibernatePersistenceProvider com.baeldung.jpa.model.Car + true @@ -66,4 +70,22 @@ + + org.eclipse.persistence.jpa.PersistenceProvider + com.baeldung.jpa.datetime.JPA22DateTimeEntity + true + + + + + + + + + + + + + + \ No newline at end of file diff --git a/persistence-modules/jnosql/jnosql-artemis/pom.xml b/persistence-modules/jnosql/jnosql-artemis/pom.xml index 8a978fb179..a07f26c6ee 100644 --- a/persistence-modules/jnosql/jnosql-artemis/pom.xml +++ b/persistence-modules/jnosql/jnosql-artemis/pom.xml @@ -12,11 +12,30 @@ jnosql 1.0-SNAPSHOT - - - 2.4.2 - false - + + + + javax + javaee-web-api + 8.0 + provided + + + org.jnosql.artemis + artemis-configuration + ${jnosql.version} + + + org.jnosql.artemis + artemis-document + ${jnosql.version} + + + org.jnosql.diana + mongodb-driver + ${jnosql.version} + + ${project.artifactId} @@ -58,31 +77,9 @@ - - - - javax - javaee-web-api - 8.0 - provided - - - - org.jnosql.artemis - artemis-configuration - ${jnosql.version} - - - org.jnosql.artemis - artemis-document - ${jnosql.version} - - - org.jnosql.diana - mongodb-driver - ${jnosql.version} - - - + + 2.4.2 + false + diff --git a/persistence-modules/jnosql/jnosql-diana/pom.xml b/persistence-modules/jnosql/jnosql-diana/pom.xml index 126f0314d9..b52c808cf5 100644 --- a/persistence-modules/jnosql/jnosql-diana/pom.xml +++ b/persistence-modules/jnosql/jnosql-diana/pom.xml @@ -12,45 +12,6 @@ 1.0-SNAPSHOT - - - - org.codehaus.mojo - exec-maven-plugin - 1.6.0 - - - document - - java - - - com.baeldung.jnosql.diana.document.DocumentApp - - - - column - - java - - - com.baeldung.jnosql.diana.column.ColumnFamilyApp - - - - key - - java - - - com.baeldung.jnosql.diana.key.KeyValueApp - - - - - - - @@ -90,4 +51,43 @@ + + + + org.codehaus.mojo + exec-maven-plugin + 1.6.0 + + + document + + java + + + com.baeldung.jnosql.diana.document.DocumentApp + + + + column + + java + + + com.baeldung.jnosql.diana.column.ColumnFamilyApp + + + + key + + java + + + com.baeldung.jnosql.diana.key.KeyValueApp + + + + + + + \ No newline at end of file diff --git a/persistence-modules/jnosql/pom.xml b/persistence-modules/jnosql/pom.xml index 5fb29a3b9c..513a447b91 100644 --- a/persistence-modules/jnosql/pom.xml +++ b/persistence-modules/jnosql/pom.xml @@ -9,15 +9,14 @@ jnosql pom - - 1.8 - 1.8 - 0.0.5 - - jnosql-diana jnosql-artemis + + 1.8 + 1.8 + 0.0.5 + diff --git a/persistence-modules/pom.xml b/persistence-modules/pom.xml new file mode 100644 index 0000000000..47c733d8a7 --- /dev/null +++ b/persistence-modules/pom.xml @@ -0,0 +1,58 @@ + + + 4.0.0 + persistence-modules + persistence-modules + pom + + + com.baeldung + parent-modules + 1.0.0-SNAPSHOT + .. + + + + activejdbc + apache-cayenne + core-java-persistence + deltaspike + flyway + hbase + hibernate5 + hibernate-ogm + influxdb + java-cassandra + java-cockroachdb + java-jdbi + java-jpa + java-mongodb + jnosql + liquibase + orientdb + querydsl + redis + solr + spring-boot-h2/spring-boot-h2-database + spring-boot-persistence + spring-boot-persistence-mongodb + spring-data-cassandra + spring-data-cassandra-reactive + spring-data-couchbase-2 + spring-data-dynamodb + spring-data-eclipselink + spring-data-elasticsearch + spring-data-gemfire + spring-data-jpa + spring-data-keyvalue + spring-data-mongodb + spring-data-neo4j + spring-data-redis + spring-data-solr + spring-hibernate-3 + spring-hibernate-5 + spring-hibernate4 + spring-jpa + + diff --git a/persistence-modules/querydsl/pom.xml b/persistence-modules/querydsl/pom.xml index d3bf1b1fb7..4d4347e909 100644 --- a/persistence-modules/querydsl/pom.xml +++ b/persistence-modules/querydsl/pom.xml @@ -5,8 +5,8 @@ com.baeldung querydsl 0.1-SNAPSHOT - jar querydsl + jar http://maven.apache.org diff --git a/persistence-modules/solr/pom.xml b/persistence-modules/solr/pom.xml index 49f2f85856..1c14c06315 100644 --- a/persistence-modules/solr/pom.xml +++ b/persistence-modules/solr/pom.xml @@ -4,8 +4,8 @@ com.baeldung solr 0.0.1-SNAPSHOT - jar solr + jar com.baeldung diff --git a/persistence-modules/spring-boot-h2/spring-boot-h2-database/pom.xml b/persistence-modules/spring-boot-h2/spring-boot-h2-database/pom.xml index 6ebc75de8d..882b88b535 100644 --- a/persistence-modules/spring-boot-h2/spring-boot-h2-database/pom.xml +++ b/persistence-modules/spring-boot-h2/spring-boot-h2-database/pom.xml @@ -8,30 +8,20 @@ 0.0.1-SNAPSHOT spring-boot-h2-database jar - Demo Spring Boot applications that starts H2 in memory database - org.springframework.boot - spring-boot-starter-parent - 2.0.4.RELEASE - + parent-boot-2 + com.baeldung + 0.0.1-SNAPSHOT + ../../../parent-boot-2 - - UTF-8 - UTF-8 - 1.8 - - com.baeldung.h2db.demo.server.SpringBootApp - - org.springframework.boot spring-boot-starter-data-jpa - com.h2database h2 @@ -51,4 +41,14 @@ + + + UTF-8 + UTF-8 + 1.8 + + com.baeldung.h2db.demo.server.SpringBootApp + 2.0.4.RELEASE + + diff --git a/persistence-modules/spring-boot-h2/spring-boot-h2-database/src/test/java/com/baeldung/SpringContextIntegrationTest.java b/persistence-modules/spring-boot-h2/spring-boot-h2-database/src/test/java/com/baeldung/SpringContextIntegrationTest.java new file mode 100644 index 0000000000..cf964b5011 --- /dev/null +++ b/persistence-modules/spring-boot-h2/spring-boot-h2-database/src/test/java/com/baeldung/SpringContextIntegrationTest.java @@ -0,0 +1,19 @@ +package com.baeldung; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.test.context.ContextConfiguration; +import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; +import org.springframework.test.context.support.AnnotationConfigContextLoader; +import org.springframework.test.context.web.WebAppConfiguration; + + +@RunWith(SpringJUnit4ClassRunner.class) +@ContextConfiguration(loader = AnnotationConfigContextLoader.class) +@WebAppConfiguration +public class SpringContextIntegrationTest { + + @Test + public void whenSpringContextIsBootstrapped_thenNoExceptions() { + } +} diff --git a/persistence-modules/spring-boot-persistence-mongodb/pom.xml b/persistence-modules/spring-boot-persistence-mongodb/pom.xml index fc267eedf6..86b93c7826 100644 --- a/persistence-modules/spring-boot-persistence-mongodb/pom.xml +++ b/persistence-modules/spring-boot-persistence-mongodb/pom.xml @@ -3,6 +3,10 @@ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 + spring-boot-persistence-mongodb + spring-boot-persistence-mongodb + war + This is simple boot application for Spring boot persistence mongodb test parent-boot-2 @@ -11,11 +15,6 @@ ../../parent-boot-2 - spring-boot-persistence-mongodb - war - spring-boot-persistence-mongodb - This is simple boot application for Spring boot persistence mongodb test - org.springframework.boot diff --git a/persistence-modules/spring-boot-persistence/README.MD b/persistence-modules/spring-boot-persistence/README.MD index 8988fb4ebd..f62ca57a19 100644 --- a/persistence-modules/spring-boot-persistence/README.MD +++ b/persistence-modules/spring-boot-persistence/README.MD @@ -2,6 +2,8 @@ - [Spring Boot with Multiple SQL Import Files](http://www.baeldung.com/spring-boot-sql-import-files) - [Configuring Separate Spring DataSource for Tests](http://www.baeldung.com/spring-testing-separate-data-source) -- [Quick Guide on data.sql and schema.sql Files in Spring Boot](http://www.baeldung.com/spring-boot-data-sql-and-schema-sql) +- [Quick Guide on Loading Initial Data with Spring Boot](http://www.baeldung.com/spring-boot-data-sql-and-schema-sql) - [Configuring a Tomcat Connection Pool in Spring Boot](https://www.baeldung.com/spring-boot-tomcat-connection-pool) - [Hibernate Field Naming with Spring Boot](https://www.baeldung.com/hibernate-field-naming-spring-boot) +- [Integrating Spring Boot with HSQLDB](https://www.baeldung.com/spring-boot-hsqldb) +- [Configuring a DataSource Programmatically in Spring Boot](https://www.baeldung.com/spring-boot-configure-data-source-programmatic) diff --git a/persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/springbootdatasourceconfig/application/Application.java b/persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/springbootdatasourceconfig/application/Application.java new file mode 100644 index 0000000000..e1f67c0185 --- /dev/null +++ b/persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/springbootdatasourceconfig/application/Application.java @@ -0,0 +1,27 @@ +package com.baeldung.springbootdatasourceconfig.application; + +import com.baeldung.springbootdatasourceconfig.application.entities.User; +import com.baeldung.springbootdatasourceconfig.application.repositories.UserRepository; +import org.springframework.boot.CommandLineRunner; +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.Bean; + +@SpringBootApplication +public class Application { + + public static void main(String[] args) { + SpringApplication.run(Application.class, args); + } + + @Bean + public CommandLineRunner run(UserRepository userRepository) throws Exception { + return (String[] args) -> { + User user1 = new User("John", "john@domain.com"); + User user2 = new User("Julie", "julie@domain.com"); + userRepository.save(user1); + userRepository.save(user2); + userRepository.findAll().forEach(user -> System.out.println(user.getName())); + }; + } +} diff --git a/persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/springbootdatasourceconfig/application/datasources/DataSourceBean.java b/persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/springbootdatasourceconfig/application/datasources/DataSourceBean.java new file mode 100644 index 0000000000..9ef9b77aed --- /dev/null +++ b/persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/springbootdatasourceconfig/application/datasources/DataSourceBean.java @@ -0,0 +1,20 @@ +package com.baeldung.springbootdatasourceconfig.application.datasources; + +import javax.sql.DataSource; +import org.springframework.boot.jdbc.DataSourceBuilder; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; + +@Configuration +public class DataSourceBean { + + @Bean + public DataSource getDataSource() { + DataSourceBuilder dataSourceBuilder = DataSourceBuilder.create(); + dataSourceBuilder.driverClassName("org.h2.Driver"); + dataSourceBuilder.url("jdbc:h2:mem:test"); + dataSourceBuilder.username("SA"); + dataSourceBuilder.password(""); + return dataSourceBuilder.build(); + } +} diff --git a/persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/springbootdatasourceconfig/application/entities/User.java b/persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/springbootdatasourceconfig/application/entities/User.java new file mode 100644 index 0000000000..518a11701f --- /dev/null +++ b/persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/springbootdatasourceconfig/application/entities/User.java @@ -0,0 +1,46 @@ +package com.baeldung.springbootdatasourceconfig.application.entities; + +import javax.persistence.Entity; +import javax.persistence.GeneratedValue; +import javax.persistence.GenerationType; +import javax.persistence.Id; +import javax.persistence.Table; + +@Entity +@Table(name = "users") +public class User { + + @Id + @GeneratedValue(strategy = GenerationType.AUTO) + private long id; + private String name; + private String email; + + public User(){} + + public User(String name, String email) { + this.name = name; + this.email = email; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public String getEmail() { + return email; + } + + public void setEmail(String email) { + this.email = email; + } + + @Override + public String toString() { + return "User{" + "id=" + id + ", name=" + name + ", email=" + email + '}'; + } +} diff --git a/persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/springbootdatasourceconfig/application/repositories/UserRepository.java b/persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/springbootdatasourceconfig/application/repositories/UserRepository.java new file mode 100644 index 0000000000..27929ead44 --- /dev/null +++ b/persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/springbootdatasourceconfig/application/repositories/UserRepository.java @@ -0,0 +1,8 @@ +package com.baeldung.springbootdatasourceconfig.application.repositories; + +import com.baeldung.springbootdatasourceconfig.application.entities.User; +import org.springframework.data.repository.CrudRepository; +import org.springframework.stereotype.Repository; + +@Repository +public interface UserRepository extends CrudRepository {} diff --git a/persistence-modules/spring-boot-persistence/src/test/java/com/baeldung/springbootdatasourceconfig/tests/UserRepositoryIntegrationTest.java b/persistence-modules/spring-boot-persistence/src/test/java/com/baeldung/springbootdatasourceconfig/tests/UserRepositoryIntegrationTest.java new file mode 100644 index 0000000000..f27681021e --- /dev/null +++ b/persistence-modules/spring-boot-persistence/src/test/java/com/baeldung/springbootdatasourceconfig/tests/UserRepositoryIntegrationTest.java @@ -0,0 +1,28 @@ +package com.baeldung.springbootdatasourceconfig.tests; + +import com.baeldung.springbootdatasourceconfig.application.entities.User; +import com.baeldung.springbootdatasourceconfig.application.repositories.UserRepository; +import java.util.List; +import java.util.Optional; +import org.junit.Test; +import org.springframework.beans.factory.annotation.Autowired; +import static org.assertj.core.api.Assertions.assertThat; +import org.junit.runner.RunWith; +import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest; +import org.springframework.test.context.junit4.SpringRunner; + +@RunWith(SpringRunner.class) +@DataJpaTest +public class UserRepositoryIntegrationTest { + + @Autowired + private UserRepository userRepository; + + @Test + public void whenCalledSave_thenCorrectNumberOfUsers() { + userRepository.save(new User("Bob", "bob@domain.com")); + List users = (List) userRepository.findAll(); + + assertThat(users.size()).isEqualTo(1); + } +} diff --git a/persistence-modules/spring-data-cassandra-reactive/pom.xml b/persistence-modules/spring-data-cassandra-reactive/pom.xml index 5303f9a53a..d2bc574ee9 100644 --- a/persistence-modules/spring-data-cassandra-reactive/pom.xml +++ b/persistence-modules/spring-data-cassandra-reactive/pom.xml @@ -3,13 +3,11 @@ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 - com.baeldung spring-data-cassandra-reactive 0.0.1-SNAPSHOT - jar - spring-data-cassandra-reactive + jar Spring Data Cassandra reactive @@ -19,13 +17,6 @@ ../../parent-boot-2 - - UTF-8 - UTF-8 - - 1.8 - - org.springframework.data @@ -57,5 +48,11 @@ + + UTF-8 + UTF-8 + + 1.8 + diff --git a/persistence-modules/spring-data-cassandra/pom.xml b/persistence-modules/spring-data-cassandra/pom.xml index 11953a734b..4f323a72d8 100644 --- a/persistence-modules/spring-data-cassandra/pom.xml +++ b/persistence-modules/spring-data-cassandra/pom.xml @@ -4,8 +4,8 @@ com.baeldung spring-data-cassandra 0.0.1-SNAPSHOT - jar spring-data-cassandra + jar com.baeldung diff --git a/persistence-modules/spring-data-couchbase-2/README.md b/persistence-modules/spring-data-couchbase-2/README.md index 2e56b25fef..2b6a1faddf 100644 --- a/persistence-modules/spring-data-couchbase-2/README.md +++ b/persistence-modules/spring-data-couchbase-2/README.md @@ -1,7 +1,7 @@ ## Spring Data Couchbase Tutorial Project ### Relevant Articles: -- [Spring Data Couchbase](http://www.baeldung.com/spring-data-couchbase) +- [Intro to Spring Data Couchbase](http://www.baeldung.com/spring-data-couchbase) - [Entity Validation, Query Consistency, and Optimistic Locking in Spring Data Couchbase](http://www.baeldung.com/entity-validation-locking-and-query-consistency-in-spring-data-couchbase) - [Multiple Buckets and Spatial View Queries in Spring Data Couchbase](http://www.baeldung.com/spring-data-couchbase-buckets-and-spatial-view-queries) diff --git a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/SpringContextIntegrationTest.java b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/SpringContextLiveTest.java similarity index 95% rename from persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/SpringContextIntegrationTest.java rename to persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/SpringContextLiveTest.java index 9c9d58dd0b..af228735b8 100644 --- a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/SpringContextIntegrationTest.java +++ b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/SpringContextLiveTest.java @@ -12,7 +12,7 @@ import org.springframework.test.context.support.DependencyInjectionTestExecution @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = { MultiBucketCouchbaseConfig.class, MultiBucketIntegrationTestConfig.class }) @TestExecutionListeners(listeners = { DependencyInjectionTestExecutionListener.class }) -public class SpringContextIntegrationTest { +public class SpringContextLiveTest { @Test public void whenSpringContextIsBootstrapped_thenNoExceptions() { diff --git a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/PersonRepositoryServiceIntegrationTest.java b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/PersonRepositoryServiceLiveTest.java similarity index 78% rename from persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/PersonRepositoryServiceIntegrationTest.java rename to persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/PersonRepositoryServiceLiveTest.java index d710e57def..899c21691d 100644 --- a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/PersonRepositoryServiceIntegrationTest.java +++ b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/PersonRepositoryServiceLiveTest.java @@ -3,7 +3,7 @@ package org.baeldung.spring.data.couchbase.service; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; -public class PersonRepositoryServiceIntegrationTest extends PersonServiceIntegrationTest { +public class PersonRepositoryServiceLiveTest extends PersonServiceLiveTest { @Autowired @Qualifier("PersonRepositoryService") diff --git a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/PersonServiceIntegrationTest.java b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/PersonServiceLiveTest.java similarity index 98% rename from persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/PersonServiceIntegrationTest.java rename to persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/PersonServiceLiveTest.java index 4044183849..08d641dc2c 100644 --- a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/PersonServiceIntegrationTest.java +++ b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/PersonServiceLiveTest.java @@ -20,7 +20,7 @@ import com.couchbase.client.java.CouchbaseCluster; import com.couchbase.client.java.document.JsonDocument; import com.couchbase.client.java.document.json.JsonObject; -public abstract class PersonServiceIntegrationTest extends IntegrationTest { +public abstract class PersonServiceLiveTest extends IntegrationTest { static final String typeField = "_class"; static final String john = "John"; diff --git a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/PersonTemplateServiceIntegrationTest.java b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/PersonTemplateServiceLiveTest.java similarity index 79% rename from persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/PersonTemplateServiceIntegrationTest.java rename to persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/PersonTemplateServiceLiveTest.java index e19df8fc84..3bc99d28df 100644 --- a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/PersonTemplateServiceIntegrationTest.java +++ b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/PersonTemplateServiceLiveTest.java @@ -3,7 +3,7 @@ package org.baeldung.spring.data.couchbase.service; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; -public class PersonTemplateServiceIntegrationTest extends PersonServiceIntegrationTest { +public class PersonTemplateServiceLiveTest extends PersonServiceLiveTest { @Autowired @Qualifier("PersonTemplateService") diff --git a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/StudentRepositoryServiceIntegrationTest.java b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/StudentRepositoryServiceLiveTest.java similarity index 78% rename from persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/StudentRepositoryServiceIntegrationTest.java rename to persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/StudentRepositoryServiceLiveTest.java index 3b3f2a531a..162619db3e 100644 --- a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/StudentRepositoryServiceIntegrationTest.java +++ b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/StudentRepositoryServiceLiveTest.java @@ -3,7 +3,7 @@ package org.baeldung.spring.data.couchbase.service; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; -public class StudentRepositoryServiceIntegrationTest extends StudentServiceIntegrationTest { +public class StudentRepositoryServiceLiveTest extends StudentServiceLiveTest { @Autowired @Qualifier("StudentRepositoryService") diff --git a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/StudentServiceIntegrationTest.java b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/StudentServiceLiveTest.java similarity index 98% rename from persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/StudentServiceIntegrationTest.java rename to persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/StudentServiceLiveTest.java index fba549a9e5..6a18922007 100644 --- a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/StudentServiceIntegrationTest.java +++ b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/StudentServiceLiveTest.java @@ -22,7 +22,7 @@ import com.couchbase.client.java.CouchbaseCluster; import com.couchbase.client.java.document.JsonDocument; import com.couchbase.client.java.document.json.JsonObject; -public abstract class StudentServiceIntegrationTest extends IntegrationTest { +public abstract class StudentServiceLiveTest extends IntegrationTest { static final String typeField = "_class"; static final String joe = "Joe"; diff --git a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/StudentTemplateServiceIntegrationTest.java b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/StudentTemplateServiceLiveTest.java similarity index 79% rename from persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/StudentTemplateServiceIntegrationTest.java rename to persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/StudentTemplateServiceLiveTest.java index 29fd605bc6..c666e004af 100644 --- a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/StudentTemplateServiceIntegrationTest.java +++ b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase/service/StudentTemplateServiceLiveTest.java @@ -3,7 +3,7 @@ package org.baeldung.spring.data.couchbase.service; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; -public class StudentTemplateServiceIntegrationTest extends StudentServiceIntegrationTest { +public class StudentTemplateServiceLiveTest extends StudentServiceLiveTest { @Autowired @Qualifier("StudentTemplateService") diff --git a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/MultiBucketIntegrationTest.java b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/MultiBucketLiveTest.java similarity index 92% rename from persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/MultiBucketIntegrationTest.java rename to persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/MultiBucketLiveTest.java index 05ba58d616..3b406a851e 100644 --- a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/MultiBucketIntegrationTest.java +++ b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/MultiBucketLiveTest.java @@ -9,6 +9,6 @@ import org.springframework.test.context.support.DependencyInjectionTestExecution @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = { MultiBucketCouchbaseConfig.class, MultiBucketIntegrationTestConfig.class }) @TestExecutionListeners(listeners = { DependencyInjectionTestExecutionListener.class }) -public abstract class MultiBucketIntegrationTest { +public abstract class MultiBucketLiveTest { } diff --git a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/service/CampusServiceImplIntegrationTest.java b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/service/CampusServiceImplLiveTest.java similarity index 96% rename from persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/service/CampusServiceImplIntegrationTest.java rename to persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/service/CampusServiceImplLiveTest.java index 0996b252f1..5e7a12f292 100644 --- a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/service/CampusServiceImplIntegrationTest.java +++ b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/service/CampusServiceImplLiveTest.java @@ -10,7 +10,7 @@ import java.util.Set; import javax.annotation.PostConstruct; import org.baeldung.spring.data.couchbase.model.Campus; -import org.baeldung.spring.data.couchbase2b.MultiBucketIntegrationTest; +import org.baeldung.spring.data.couchbase2b.MultiBucketLiveTest; import org.baeldung.spring.data.couchbase2b.repos.CampusRepository; import org.junit.Test; import org.springframework.beans.factory.annotation.Autowired; @@ -18,7 +18,7 @@ import org.springframework.data.geo.Distance; import org.springframework.data.geo.Metrics; import org.springframework.data.geo.Point; -public class CampusServiceImplIntegrationTest extends MultiBucketIntegrationTest { +public class CampusServiceImplLiveTest extends MultiBucketLiveTest { @Autowired private CampusServiceImpl campusService; diff --git a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/service/PersonServiceImplIntegrationTest.java b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/service/PersonServiceImplLiveTest.java similarity index 96% rename from persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/service/PersonServiceImplIntegrationTest.java rename to persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/service/PersonServiceImplLiveTest.java index 45475e50f6..9543d8fe12 100644 --- a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/service/PersonServiceImplIntegrationTest.java +++ b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/service/PersonServiceImplLiveTest.java @@ -9,7 +9,7 @@ import java.util.List; import org.baeldung.spring.data.couchbase.model.Person; import org.baeldung.spring.data.couchbase2b.MultiBucketCouchbaseConfig; -import org.baeldung.spring.data.couchbase2b.MultiBucketIntegrationTest; +import org.baeldung.spring.data.couchbase2b.MultiBucketLiveTest; import org.joda.time.DateTime; import org.junit.BeforeClass; import org.junit.Test; @@ -21,7 +21,7 @@ import com.couchbase.client.java.CouchbaseCluster; import com.couchbase.client.java.document.JsonDocument; import com.couchbase.client.java.document.json.JsonObject; -public class PersonServiceImplIntegrationTest extends MultiBucketIntegrationTest { +public class PersonServiceImplLiveTest extends MultiBucketLiveTest { static final String typeField = "_class"; static final String john = "John"; diff --git a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/service/StudentServiceImplIntegrationTest.java b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/service/StudentServiceImplLiveTest.java similarity index 97% rename from persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/service/StudentServiceImplIntegrationTest.java rename to persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/service/StudentServiceImplLiveTest.java index e7c1eab92a..52b9113e8f 100644 --- a/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/service/StudentServiceImplIntegrationTest.java +++ b/persistence-modules/spring-data-couchbase-2/src/test/java/org/baeldung/spring/data/couchbase2b/service/StudentServiceImplLiveTest.java @@ -11,7 +11,7 @@ import javax.validation.ConstraintViolationException; import org.baeldung.spring.data.couchbase.model.Student; import org.baeldung.spring.data.couchbase2b.MultiBucketCouchbaseConfig; -import org.baeldung.spring.data.couchbase2b.MultiBucketIntegrationTest; +import org.baeldung.spring.data.couchbase2b.MultiBucketLiveTest; import org.joda.time.DateTime; import org.junit.BeforeClass; import org.junit.Test; @@ -23,7 +23,7 @@ import com.couchbase.client.java.CouchbaseCluster; import com.couchbase.client.java.document.JsonDocument; import com.couchbase.client.java.document.json.JsonObject; -public class StudentServiceImplIntegrationTest extends MultiBucketIntegrationTest { +public class StudentServiceImplLiveTest extends MultiBucketLiveTest { static final String typeField = "_class"; static final String joe = "Joe"; diff --git a/persistence-modules/spring-data-elasticsearch/pom.xml b/persistence-modules/spring-data-elasticsearch/pom.xml index ee9e71a1cb..9495d56798 100644 --- a/persistence-modules/spring-data-elasticsearch/pom.xml +++ b/persistence-modules/spring-data-elasticsearch/pom.xml @@ -4,8 +4,8 @@ com.baeldung spring-data-elasticsearch 0.0.1-SNAPSHOT - jar spring-data-elasticsearch + jar com.baeldung diff --git a/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/ElasticSearchManualTest.java b/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/ElasticSearchManualTest.java index fbf4e5ab99..e43dcdf43e 100644 --- a/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/ElasticSearchManualTest.java +++ b/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/ElasticSearchManualTest.java @@ -30,6 +30,13 @@ import org.junit.Test; import com.alibaba.fastjson.JSON; +/** + * + * This Manual test requires: + * * Elasticsearch instance running on host + * * with cluster name = elasticsearch + * + */ public class ElasticSearchManualTest { private List listOfPersons = new ArrayList<>(); private Client client = null; diff --git a/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/GeoQueriesIntegrationTest.java b/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/GeoQueriesManualTest.java similarity index 97% rename from persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/GeoQueriesIntegrationTest.java rename to persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/GeoQueriesManualTest.java index 1f55379418..f9a42050b6 100644 --- a/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/GeoQueriesIntegrationTest.java +++ b/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/GeoQueriesManualTest.java @@ -31,9 +31,17 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import com.baeldung.spring.data.es.config.Config; import com.vividsolutions.jts.geom.Coordinate; +/** + * + * This Manual test requires: + * * Elasticsearch instance running on host + * * with cluster name = elasticsearch + * * and further configurations + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = Config.class) -public class GeoQueriesIntegrationTest { +public class GeoQueriesManualTest { private static final String WONDERS_OF_WORLD = "wonders-of-world"; private static final String WONDERS = "Wonders"; diff --git a/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchIntegrationTest.java b/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchManualTest.java similarity index 97% rename from persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchIntegrationTest.java rename to persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchManualTest.java index 6ecb11cdbe..bed2e2ff25 100644 --- a/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchIntegrationTest.java +++ b/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchManualTest.java @@ -27,9 +27,16 @@ import com.baeldung.spring.data.es.model.Article; import com.baeldung.spring.data.es.model.Author; import com.baeldung.spring.data.es.service.ArticleService; +/** + * + * This Manual test requires: + * * Elasticsearch instance running on host + * * with cluster name = elasticsearch + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = Config.class) -public class ElasticSearchIntegrationTest { +public class ElasticSearchManualTest { @Autowired private ElasticsearchTemplate elasticsearchTemplate; diff --git a/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchQueryIntegrationTest.java b/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchQueryManualTest.java similarity index 98% rename from persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchQueryIntegrationTest.java rename to persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchQueryManualTest.java index 2348c49830..5e24d8398c 100644 --- a/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchQueryIntegrationTest.java +++ b/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchQueryManualTest.java @@ -41,9 +41,16 @@ import com.baeldung.spring.data.es.model.Article; import com.baeldung.spring.data.es.model.Author; import com.baeldung.spring.data.es.service.ArticleService; +/** + * + * This Manual test requires: + * * Elasticsearch instance running on host + * * with cluster name = elasticsearch + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = Config.class) -public class ElasticSearchQueryIntegrationTest { +public class ElasticSearchQueryManualTest { @Autowired private ElasticsearchTemplate elasticsearchTemplate; diff --git a/persistence-modules/spring-data-elasticsearch/src/test/java/org/baeldung/SpringContextIntegrationTest.java b/persistence-modules/spring-data-elasticsearch/src/test/java/org/baeldung/SpringContextManualTest.java similarity index 77% rename from persistence-modules/spring-data-elasticsearch/src/test/java/org/baeldung/SpringContextIntegrationTest.java rename to persistence-modules/spring-data-elasticsearch/src/test/java/org/baeldung/SpringContextManualTest.java index 6f45039c96..c6f095eae9 100644 --- a/persistence-modules/spring-data-elasticsearch/src/test/java/org/baeldung/SpringContextIntegrationTest.java +++ b/persistence-modules/spring-data-elasticsearch/src/test/java/org/baeldung/SpringContextManualTest.java @@ -7,9 +7,15 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import com.baeldung.spring.data.es.config.Config; +/** + * + * This Manual test requires: + * * Elasticsearch instance running on host + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = Config.class) -public class SpringContextIntegrationTest { +public class SpringContextManualTest { @Test public void whenSpringContextIsBootstrapped_thenNoExceptions() { diff --git a/persistence-modules/spring-data-jpa/README.md b/persistence-modules/spring-data-jpa/README.md index e240ae6d33..9512ad336d 100644 --- a/persistence-modules/spring-data-jpa/README.md +++ b/persistence-modules/spring-data-jpa/README.md @@ -17,6 +17,11 @@ - [Spring Data – CrudRepository save() Method](https://www.baeldung.com/spring-data-crud-repository-save) - [Limiting Query Results with JPA and Spring Data JPA](https://www.baeldung.com/jpa-limit-query-results) - [Sorting Query Results with Spring Data](https://www.baeldung.com/spring-data-sorting) +- [INSERT Statement in JPA](https://www.baeldung.com/jpa-insert) +- [Pagination and Sorting using Spring Data JPA](https://www.baeldung.com/spring-data-jpa-pagination-sorting) +- [Spring Data JPA Query by Example](https://www.baeldung.com/spring-data-query-by-example) +- [DB Integration Tests with Spring Boot and Testcontainers](https://www.baeldung.com/spring-boot-testcontainers-integration-test) +- [Spring Data JPA @Modifying Annotation](https://www.baeldung.com/spring-data-jpa-modifying-annotation) ### Eclipse Config After importing the project into Eclipse, you may see the following error: diff --git a/persistence-modules/spring-data-jpa/pom.xml b/persistence-modules/spring-data-jpa/pom.xml index 786e587734..401f4877ac 100644 --- a/persistence-modules/spring-data-jpa/pom.xml +++ b/persistence-modules/spring-data-jpa/pom.xml @@ -27,11 +27,27 @@ org.hibernate hibernate-envers + com.h2database h2 + + + org.testcontainers + postgresql + 1.10.6 + test + + + + org.postgresql + postgresql + 42.2.5 + + + org.springframework.security spring-security-test diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/config/PersistenceConfiguration.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/config/PersistenceConfiguration.java index 2bdd4e5451..891624443b 100644 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/config/PersistenceConfiguration.java +++ b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/config/PersistenceConfiguration.java @@ -1,14 +1,11 @@ package com.baeldung.config; -import java.util.Properties; - -import javax.sql.DataSource; - +import com.baeldung.dao.repositories.impl.ExtendedRepositoryImpl; +import com.baeldung.services.IBarService; +import com.baeldung.services.impl.BarSpringDataJpaService; +import com.google.common.base.Preconditions; import org.springframework.beans.factory.annotation.Autowired; -import org.springframework.context.annotation.Bean; -import org.springframework.context.annotation.ComponentScan; -import org.springframework.context.annotation.Configuration; -import org.springframework.context.annotation.PropertySource; +import org.springframework.context.annotation.*; import org.springframework.core.env.Environment; import org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor; import org.springframework.data.jpa.repository.config.EnableJpaAuditing; @@ -21,10 +18,8 @@ import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter; import org.springframework.transaction.PlatformTransactionManager; import org.springframework.transaction.annotation.EnableTransactionManagement; -import com.baeldung.dao.repositories.impl.ExtendedRepositoryImpl; -import com.baeldung.services.IBarService; -import com.baeldung.services.impl.BarSpringDataJpaService; -import com.google.common.base.Preconditions; +import javax.sql.DataSource; +import java.util.Properties; @Configuration @ComponentScan({ "com.baeldung.dao", "com.baeldung.services" }) @@ -32,6 +27,7 @@ import com.google.common.base.Preconditions; @EnableJpaRepositories(basePackages = { "com.baeldung.dao" }, repositoryBaseClass = ExtendedRepositoryImpl.class) @EnableJpaAuditing @PropertySource("classpath:persistence.properties") +@Profile("!tc") public class PersistenceConfiguration { @Autowired diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/config/PersistenceProductConfiguration.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/config/PersistenceProductConfiguration.java index 207fba9bc5..ecaee82ae5 100644 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/config/PersistenceProductConfiguration.java +++ b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/config/PersistenceProductConfiguration.java @@ -4,6 +4,7 @@ import com.google.common.base.Preconditions; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; +import org.springframework.context.annotation.Profile; import org.springframework.context.annotation.PropertySource; import org.springframework.core.env.Environment; import org.springframework.data.jpa.repository.config.EnableJpaRepositories; @@ -19,6 +20,7 @@ import java.util.HashMap; @Configuration @PropertySource({"classpath:persistence-multiple-db.properties"}) @EnableJpaRepositories(basePackages = "com.baeldung.dao.repositories.product", entityManagerFactoryRef = "productEntityManager", transactionManagerRef = "productTransactionManager") +@Profile("!tc") public class PersistenceProductConfiguration { @Autowired private Environment env; diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/config/PersistenceUserConfiguration.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/config/PersistenceUserConfiguration.java index dd32477755..6893d889e6 100644 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/config/PersistenceUserConfiguration.java +++ b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/config/PersistenceUserConfiguration.java @@ -2,10 +2,7 @@ package com.baeldung.config; import com.google.common.base.Preconditions; import org.springframework.beans.factory.annotation.Autowired; -import org.springframework.context.annotation.Bean; -import org.springframework.context.annotation.Configuration; -import org.springframework.context.annotation.Primary; -import org.springframework.context.annotation.PropertySource; +import org.springframework.context.annotation.*; import org.springframework.core.env.Environment; import org.springframework.data.jpa.repository.config.EnableJpaRepositories; import org.springframework.jdbc.datasource.DriverManagerDataSource; @@ -20,6 +17,7 @@ import java.util.HashMap; @Configuration @PropertySource({"classpath:persistence-multiple-db.properties"}) @EnableJpaRepositories(basePackages = "com.baeldung.dao.repositories.user", entityManagerFactoryRef = "userEntityManager", transactionManagerRef = "userTransactionManager") +@Profile("!tc") public class PersistenceUserConfiguration { @Autowired private Environment env; diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/CustomItemRepository.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/CustomItemRepository.java index ba077ccf1f..4299f9e3bb 100644 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/CustomItemRepository.java +++ b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/CustomItemRepository.java @@ -1,5 +1,7 @@ package com.baeldung.dao.repositories; +import java.util.List; + import org.springframework.stereotype.Repository; import com.baeldung.domain.Item; @@ -12,4 +14,8 @@ public interface CustomItemRepository { Item findItemById(Long id); void findThenDelete(Long id); + + List findItemsByColorAndGrade(); + + List findItemByColorOrGrade(); } diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/InsertRepository.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/InsertRepository.java deleted file mode 100644 index 6a74e067fe..0000000000 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/InsertRepository.java +++ /dev/null @@ -1,5 +0,0 @@ -package com.baeldung.dao.repositories; - -public interface InsertRepository { - void insert(S entity); -} diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonEntityManagerInsertRepository.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonEntityManagerInsertRepository.java deleted file mode 100644 index 6d3cbb07df..0000000000 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonEntityManagerInsertRepository.java +++ /dev/null @@ -1,7 +0,0 @@ -package com.baeldung.dao.repositories; - -import com.baeldung.domain.Person; - -public interface PersonEntityManagerInsertRepository { - void insert(Person person); -} diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonEntityManagerRepository.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonEntityManagerRepository.java deleted file mode 100644 index cbf3d59620..0000000000 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonEntityManagerRepository.java +++ /dev/null @@ -1,10 +0,0 @@ -package com.baeldung.dao.repositories; - -import com.baeldung.domain.Person; -import org.springframework.data.jpa.repository.JpaRepository; -import org.springframework.stereotype.Repository; - -@Repository -public interface PersonEntityManagerRepository extends JpaRepository, PersonEntityManagerInsertRepository { - -} diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonQueryInsertRepository.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonQueryInsertRepository.java deleted file mode 100644 index be01e9883a..0000000000 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonQueryInsertRepository.java +++ /dev/null @@ -1,7 +0,0 @@ -package com.baeldung.dao.repositories; - -import com.baeldung.domain.Person; - -public interface PersonQueryInsertRepository { - void insert(Person person); -} diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonQueryRepository.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonQueryRepository.java deleted file mode 100644 index 1516c38443..0000000000 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonQueryRepository.java +++ /dev/null @@ -1,16 +0,0 @@ -package com.baeldung.dao.repositories; - -import com.baeldung.domain.Person; -import org.springframework.data.jpa.repository.JpaRepository; -import org.springframework.data.jpa.repository.Modifying; -import org.springframework.data.jpa.repository.Query; -import org.springframework.data.repository.query.Param; -import org.springframework.stereotype.Repository; - -@Repository -public interface PersonQueryRepository extends JpaRepository, PersonQueryInsertRepository { - - @Modifying - @Query(value = "INSERT INTO person (id, first_name, last_name) VALUES (:id,:firstName,:lastName)", nativeQuery = true) - void insertWithAnnotation(@Param("id") Long id, @Param("firstName") String firstName, @Param("lastName") String lastName); -} diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/CustomItemRepositoryImpl.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/CustomItemRepositoryImpl.java index 53def88af0..9791cb0aa7 100644 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/CustomItemRepositoryImpl.java +++ b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/CustomItemRepositoryImpl.java @@ -1,12 +1,18 @@ package com.baeldung.dao.repositories.impl; +import java.util.List; + import javax.persistence.EntityManager; +import javax.persistence.criteria.CriteriaBuilder; +import javax.persistence.criteria.CriteriaQuery; +import javax.persistence.criteria.Predicate; +import javax.persistence.criteria.Root; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Repository; -import com.baeldung.domain.Item; import com.baeldung.dao.repositories.CustomItemRepository; +import com.baeldung.domain.Item; @Repository public class CustomItemRepositoryImpl implements CustomItemRepository { @@ -29,4 +35,54 @@ public class CustomItemRepositoryImpl implements CustomItemRepository { final Item item = entityManager.find(Item.class, id); entityManager.remove(item); } + + @Override + public List findItemsByColorAndGrade() { + + CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder(); + CriteriaQuery criteriaQuery = criteriaBuilder.createQuery(Item.class); + Root itemRoot = criteriaQuery.from(Item.class); + + Predicate predicateForBlueColor = criteriaBuilder.equal(itemRoot.get("color"), "blue"); + Predicate predicateForRedColor = criteriaBuilder.equal(itemRoot.get("color"), "red"); + Predicate predicateForColor = criteriaBuilder.or(predicateForBlueColor, predicateForRedColor); + + Predicate predicateForGradeA = criteriaBuilder.equal(itemRoot.get("grade"), "A"); + Predicate predicateForGradeB = criteriaBuilder.equal(itemRoot.get("grade"), "B"); + Predicate predicateForGrade = criteriaBuilder.or(predicateForGradeA, predicateForGradeB); + + // final search filter + Predicate finalPredicate = criteriaBuilder.and(predicateForColor, predicateForGrade); + + criteriaQuery.where(finalPredicate); + + List items = entityManager.createQuery(criteriaQuery) + .getResultList(); + return items; + } + + @Override + public List findItemByColorOrGrade() { + + CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder(); + CriteriaQuery criteriaQuery = criteriaBuilder.createQuery(Item.class); + Root itemRoot = criteriaQuery.from(Item.class); + + Predicate predicateForBlueColor = criteriaBuilder.equal(itemRoot.get("color"), "red"); + Predicate predicateForGradeA = criteriaBuilder.equal(itemRoot.get("grade"), "D"); + Predicate predicateForBlueColorAndGradeA = criteriaBuilder.and(predicateForBlueColor, predicateForGradeA); + + Predicate predicateForRedColor = criteriaBuilder.equal(itemRoot.get("color"), "blue"); + Predicate predicateForGradeB = criteriaBuilder.equal(itemRoot.get("grade"), "B"); + Predicate predicateForRedColorAndGradeB = criteriaBuilder.and(predicateForRedColor, predicateForGradeB); + + // final search filter + Predicate finalPredicate = criteriaBuilder.or(predicateForBlueColorAndGradeA, predicateForRedColorAndGradeB); + + criteriaQuery.where(finalPredicate); + + List items = entityManager.createQuery(criteriaQuery) + .getResultList(); + return items; + } } diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/PersonEntityManagerInsertRepositoryImpl.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/PersonEntityManagerInsertRepositoryImpl.java deleted file mode 100644 index c14cc44125..0000000000 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/PersonEntityManagerInsertRepositoryImpl.java +++ /dev/null @@ -1,21 +0,0 @@ -package com.baeldung.dao.repositories.impl; - -import com.baeldung.dao.repositories.PersonEntityManagerInsertRepository; -import com.baeldung.domain.Person; -import org.springframework.transaction.annotation.Transactional; - -import javax.persistence.EntityManager; -import javax.persistence.PersistenceContext; - -@Transactional -public class PersonEntityManagerInsertRepositoryImpl implements PersonEntityManagerInsertRepository { - - @PersistenceContext - private EntityManager entityManager; - - @Override - public void insert(Person person) { - this.entityManager.persist(person); - } -} - diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/PersonQueryInsertRepositoryImpl.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/PersonInsertRepository.java similarity index 60% rename from persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/PersonQueryInsertRepositoryImpl.java rename to persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/PersonInsertRepository.java index 341db1615d..d809385456 100644 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/PersonQueryInsertRepositoryImpl.java +++ b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/PersonInsertRepository.java @@ -1,24 +1,30 @@ package com.baeldung.dao.repositories.impl; -import com.baeldung.dao.repositories.PersonQueryInsertRepository; import com.baeldung.domain.Person; +import org.springframework.stereotype.Repository; import javax.persistence.EntityManager; import javax.persistence.PersistenceContext; import javax.transaction.Transactional; -@Transactional -public class PersonQueryInsertRepositoryImpl implements PersonQueryInsertRepository { +@Repository +public class PersonInsertRepository { @PersistenceContext private EntityManager entityManager; - @Override - public void insert(Person person) { - entityManager.createNativeQuery("INSERT INTO person (id,first_name, last_name) VALUES (?,?,?)") + @Transactional + public void insertWithQuery(Person person) { + entityManager.createNativeQuery("INSERT INTO person (id, first_name, last_name) VALUES (?,?,?)") .setParameter(1, person.getId()) .setParameter(2, person.getFirstName()) .setParameter(3, person.getLastName()) .executeUpdate(); } + + @Transactional + public void insertWithEntityManager(Person person) { + this.entityManager.persist(person); + } + } diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepository.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepository.java index 5bb0232e4a..1d05a17414 100644 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepository.java +++ b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepository.java @@ -9,24 +9,28 @@ import org.springframework.data.jpa.repository.Modifying; import org.springframework.data.jpa.repository.Query; import org.springframework.data.repository.query.Param; +import java.time.LocalDate; import java.util.Collection; import java.util.List; import java.util.stream.Stream; -public interface UserRepository extends JpaRepository { +public interface UserRepository extends JpaRepository , UserRepositoryCustom{ Stream findAllByName(String name); + @Query("select u from User u where u.email like '%@gmail.com'") + List findUsersWithGmailAddress(); + @Query("SELECT u FROM User u WHERE u.status = 1") Collection findAllActiveUsers(); - @Query(value = "SELECT * FROM USERS.USERS u WHERE u.status = 1", nativeQuery = true) + @Query(value = "SELECT * FROM Users u WHERE u.status = 1", nativeQuery = true) Collection findAllActiveUsersNative(); @Query("SELECT u FROM User u WHERE u.status = ?1") User findUserByStatus(Integer status); - @Query(value = "SELECT * FROM USERS.Users u WHERE u.status = ?1", nativeQuery = true) + @Query(value = "SELECT * FROM Users u WHERE u.status = ?1", nativeQuery = true) User findUserByStatusNative(Integer status); @Query("SELECT u FROM User u WHERE u.status = ?1 and u.name = ?2") @@ -35,7 +39,7 @@ public interface UserRepository extends JpaRepository { @Query("SELECT u FROM User u WHERE u.status = :status and u.name = :name") User findUserByStatusAndNameNamedParams(@Param("status") Integer status, @Param("name") String name); - @Query(value = "SELECT * FROM USERS.Users u WHERE u.status = :status AND u.name = :name", nativeQuery = true) + @Query(value = "SELECT * FROM Users u WHERE u.status = :status AND u.name = :name", nativeQuery = true) User findUserByStatusAndNameNamedParamsNative(@Param("status") Integer status, @Param("name") String name); @Query("SELECT u FROM User u WHERE u.status = :status and u.name = :name") @@ -47,7 +51,7 @@ public interface UserRepository extends JpaRepository { @Query("SELECT u FROM User u WHERE u.name like :name%") User findUserByNameLikeNamedParam(@Param("name") String name); - @Query(value = "SELECT * FROM USERS.users u WHERE u.name LIKE ?1%", nativeQuery = true) + @Query(value = "SELECT * FROM users u WHERE u.name LIKE ?1%", nativeQuery = true) User findUserByNameLikeNative(String name); @Query(value = "SELECT u FROM User u") @@ -56,7 +60,7 @@ public interface UserRepository extends JpaRepository { @Query(value = "SELECT u FROM User u ORDER BY id") Page findAllUsersWithPagination(Pageable pageable); - @Query(value = "SELECT * FROM USERS.Users ORDER BY id", countQuery = "SELECT count(*) FROM USERS.Users", nativeQuery = true) + @Query(value = "SELECT * FROM Users ORDER BY id", countQuery = "SELECT count(*) FROM Users", nativeQuery = true) Page findAllUsersWithPaginationNative(Pageable pageable); @Modifying @@ -64,6 +68,32 @@ public interface UserRepository extends JpaRepository { int updateUserSetStatusForName(@Param("status") Integer status, @Param("name") String name); @Modifying - @Query(value = "UPDATE USERS.Users u SET u.status = ? WHERE u.name = ?", nativeQuery = true) + @Query(value = "UPDATE Users u SET u.status = ? WHERE u.name = ?", nativeQuery = true) int updateUserSetStatusForNameNative(Integer status, String name); + + @Query(value = "INSERT INTO Users (name, age, email, status, active) VALUES (:name, :age, :email, :status, :active)", nativeQuery = true) + @Modifying + void insertUser(@Param("name") String name, @Param("age") Integer age, @Param("email") String email, @Param("status") Integer status, @Param("active") boolean active); + + @Modifying + @Query(value = "UPDATE Users u SET status = ? WHERE u.name = ?", nativeQuery = true) + int updateUserSetStatusForNameNativePostgres(Integer status, String name); + + @Query(value = "SELECT u FROM User u WHERE u.name IN :names") + List findUserByNameList(@Param("names") Collection names); + + void deleteAllByCreationDateAfter(LocalDate date); + + @Modifying(clearAutomatically = true, flushAutomatically = true) + @Query("update User u set u.active = false where u.lastLoginDate < :date") + void deactivateUsersNotLoggedInSince(@Param("date") LocalDate date); + + @Modifying(clearAutomatically = true, flushAutomatically = true) + @Query("delete from User u where u.active = false") + int deleteDeactivatedUsers(); + + @Modifying(clearAutomatically = true, flushAutomatically = true) + @Query(value = "alter table Users add column deleted int(1) not null default 0", nativeQuery = true) + void addDeletedColumn(); + } diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepositoryCustom.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepositoryCustom.java new file mode 100644 index 0000000000..0f29cd656e --- /dev/null +++ b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepositoryCustom.java @@ -0,0 +1,14 @@ +package com.baeldung.dao.repositories.user; + +import java.util.Collection; +import java.util.List; +import java.util.Set; +import java.util.function.Predicate; + +import com.baeldung.domain.user.User; + +public interface UserRepositoryCustom { + List findUserByEmails(Set emails); + + List findAllUsersByPredicates(Collection> predicates); +} diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepositoryCustomImpl.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepositoryCustomImpl.java new file mode 100644 index 0000000000..7b2a7ab123 --- /dev/null +++ b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepositoryCustomImpl.java @@ -0,0 +1,57 @@ +package com.baeldung.dao.repositories.user; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.List; +import java.util.Set; +import java.util.stream.Collectors; +import java.util.stream.Stream; + +import javax.persistence.EntityManager; +import javax.persistence.PersistenceContext; +import javax.persistence.criteria.CriteriaBuilder; +import javax.persistence.criteria.CriteriaQuery; +import javax.persistence.criteria.Path; +import javax.persistence.criteria.Predicate; +import javax.persistence.criteria.Root; + +import com.baeldung.domain.user.User; + +public class UserRepositoryCustomImpl implements UserRepositoryCustom { + + @PersistenceContext + private EntityManager entityManager; + + @Override + public List findUserByEmails(Set emails) { + CriteriaBuilder cb = entityManager.getCriteriaBuilder(); + CriteriaQuery query = cb.createQuery(User.class); + Root user = query.from(User.class); + + Path emailPath = user.get("email"); + + List predicates = new ArrayList<>(); + for (String email : emails) { + + predicates.add(cb.like(emailPath, email)); + + } + query.select(user) + .where(cb.or(predicates.toArray(new Predicate[predicates.size()]))); + + return entityManager.createQuery(query) + .getResultList(); + } + + @Override + public List findAllUsersByPredicates(Collection> predicates) { + List allUsers = entityManager.createQuery("select u from User u", User.class).getResultList(); + Stream allUsersStream = allUsers.stream(); + for (java.util.function.Predicate predicate : predicates) { + allUsersStream = allUsersStream.filter(predicate); + } + + return allUsersStream.collect(Collectors.toList()); + } + +} diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/domain/user/Possession.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/domain/user/Possession.java index 614e13df36..b1427c0270 100644 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/domain/user/Possession.java +++ b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/domain/user/Possession.java @@ -1,13 +1,9 @@ package com.baeldung.domain.user; -import javax.persistence.Entity; -import javax.persistence.GeneratedValue; -import javax.persistence.GenerationType; -import javax.persistence.Id; -import javax.persistence.Table; +import javax.persistence.*; @Entity -@Table(schema = "users") +@Table public class Possession { @Id diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/domain/user/User.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/domain/user/User.java index 3a8b617d9a..7109271eeb 100644 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/domain/user/User.java +++ b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/domain/user/User.java @@ -1,16 +1,21 @@ package com.baeldung.domain.user; import javax.persistence.*; +import java.time.LocalDate; import java.util.List; +import java.util.Objects; @Entity -@Table(name = "users", schema = "users") +@Table(name = "users") public class User { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private int id; private String name; + private LocalDate creationDate; + private LocalDate lastLoginDate; + private boolean active; private int age; @Column(unique = true, nullable = false) private String email; @@ -22,10 +27,12 @@ public class User { super(); } - public User(String name, String email, Integer status) { + public User(String name, LocalDate creationDate, String email, Integer status) { this.name = name; + this.creationDate = creationDate; this.email = email; this.status = status; + this.active = true; } public int getId() { @@ -44,6 +51,10 @@ public class User { this.name = name; } + public LocalDate getCreationDate() { + return creationDate; + } + public String getEmail() { return email; } @@ -83,4 +94,37 @@ public class User { return builder.toString(); } + @Override + public boolean equals(Object o) { + if (this == o) return true; + if (o == null || getClass() != o.getClass()) return false; + User user = (User) o; + return id == user.id && + age == user.age && + Objects.equals(name, user.name) && + Objects.equals(creationDate, user.creationDate) && + Objects.equals(email, user.email) && + Objects.equals(status, user.status); + } + + @Override + public int hashCode() { + return Objects.hash(id, name, creationDate, age, email, status); + } + + public LocalDate getLastLoginDate() { + return lastLoginDate; + } + + public void setLastLoginDate(LocalDate lastLoginDate) { + this.lastLoginDate = lastLoginDate; + } + + public boolean isActive() { + return active; + } + + public void setActive(boolean active) { + this.active = active; + } } \ No newline at end of file diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/passenger/Passenger.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/passenger/Passenger.java index 24ae47e597..a96b1edb20 100644 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/passenger/Passenger.java +++ b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/passenger/Passenger.java @@ -25,15 +25,15 @@ class Passenger { @Basic(optional = false) @Column(nullable = false) - private int seatNumber; + private Integer seatNumber; - private Passenger(String firstName, String lastName, int seatNumber) { + private Passenger(String firstName, String lastName, Integer seatNumber) { this.firstName = firstName; this.lastName = lastName; this.seatNumber = seatNumber; } - static Passenger from(String firstName, String lastName, int seatNumber) { + static Passenger from(String firstName, String lastName, Integer seatNumber) { return new Passenger(firstName, lastName, seatNumber); } @@ -76,7 +76,7 @@ class Passenger { return lastName; } - int getSeatNumber() { + Integer getSeatNumber() { return seatNumber; } } diff --git a/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/PersonInsertRepositoryIntegrationTest.java b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/PersonInsertRepositoryIntegrationTest.java index 476554f6d6..b248cf8bf1 100644 --- a/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/PersonInsertRepositoryIntegrationTest.java +++ b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/PersonInsertRepositoryIntegrationTest.java @@ -1,21 +1,24 @@ package com.baeldung.dao.repositories; +import com.baeldung.dao.repositories.impl.PersonInsertRepository; import com.baeldung.domain.Person; import org.junit.Test; -import org.junit.jupiter.api.BeforeEach; import org.junit.runner.RunWith; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest; -import org.springframework.dao.DataIntegrityViolationException; +import org.springframework.context.annotation.Import; import org.springframework.test.context.junit4.SpringRunner; -import java.util.Optional; +import javax.persistence.EntityExistsException; +import javax.persistence.EntityManager; +import javax.persistence.PersistenceException; import static org.assertj.core.api.Assertions.assertThatExceptionOfType; import static org.assertj.core.api.AssertionsForClassTypes.assertThat; @RunWith(SpringRunner.class) @DataJpaTest +@Import(PersonInsertRepository.class) public class PersonInsertRepositoryIntegrationTest { private static final Long ID = 1L; @@ -24,43 +27,23 @@ public class PersonInsertRepositoryIntegrationTest { private static final Person PERSON = new Person(ID, FIRST_NAME, LAST_NAME); @Autowired - private PersonQueryRepository personQueryRepository; + private PersonInsertRepository personInsertRepository; @Autowired - private PersonEntityManagerRepository personEntityManagerRepository; - - @BeforeEach - public void clearDB() { - personQueryRepository.deleteAll(); - } + private EntityManager entityManager; @Test public void givenPersonEntity_whenInsertWithNativeQuery_ThenPersonIsPersisted() { - insertPerson(); + insertWithQuery(); assertPersonPersisted(); } @Test - public void givenPersonEntity_whenInsertedTwiceWithNativeQuery_thenDataIntegrityViolationExceptionIsThrown() { - assertThatExceptionOfType(DataIntegrityViolationException.class).isThrownBy(() -> { - insertPerson(); - insertPerson(); - }); - } - - @Test - public void givenPersonEntity_whenInsertWithQueryAnnotation_thenPersonIsPersisted() { - insertPersonWithQueryAnnotation(); - - assertPersonPersisted(); - } - - @Test - public void givenPersonEntity_whenInsertedTwiceWithQueryAnnotation_thenDataIntegrityViolationExceptionIsThrown() { - assertThatExceptionOfType(DataIntegrityViolationException.class).isThrownBy(() -> { - insertPersonWithQueryAnnotation(); - insertPersonWithQueryAnnotation(); + public void givenPersonEntity_whenInsertedTwiceWithNativeQuery_thenPersistenceExceptionExceptionIsThrown() { + assertThatExceptionOfType(PersistenceException.class).isThrownBy(() -> { + insertWithQuery(); + insertWithQuery(); }); } @@ -72,31 +55,27 @@ public class PersonInsertRepositoryIntegrationTest { } @Test - public void givenPersonEntity_whenInsertedTwiceWithEntityManager_thenDataIntegrityViolationExceptionIsThrown() { - assertThatExceptionOfType(DataIntegrityViolationException.class).isThrownBy(() -> { + public void givenPersonEntity_whenInsertedTwiceWithEntityManager_thenEntityExistsExceptionIsThrown() { + assertThatExceptionOfType(EntityExistsException.class).isThrownBy(() -> { insertPersonWithEntityManager(); insertPersonWithEntityManager(); }); } - private void insertPerson() { - personQueryRepository.insert(PERSON); - } - - private void insertPersonWithQueryAnnotation() { - personQueryRepository.insertWithAnnotation(ID, FIRST_NAME, LAST_NAME); + private void insertWithQuery() { + personInsertRepository.insertWithQuery(PERSON); } private void insertPersonWithEntityManager() { - personEntityManagerRepository.insert(new Person(ID, FIRST_NAME, LAST_NAME)); + personInsertRepository.insertWithEntityManager(new Person(ID, FIRST_NAME, LAST_NAME)); } private void assertPersonPersisted() { - Optional personOptional = personQueryRepository.findById(PERSON.getId()); + Person person = entityManager.find(Person.class, ID); - assertThat(personOptional.isPresent()).isTrue(); - assertThat(personOptional.get().getId()).isEqualTo(PERSON.getId()); - assertThat(personOptional.get().getFirstName()).isEqualTo(PERSON.getFirstName()); - assertThat(personOptional.get().getLastName()).isEqualTo(PERSON.getLastName()); + assertThat(person).isNotNull(); + assertThat(person.getId()).isEqualTo(PERSON.getId()); + assertThat(person.getFirstName()).isEqualTo(PERSON.getFirstName()); + assertThat(person.getLastName()).isEqualTo(PERSON.getLastName()); } } diff --git a/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/UserRepositoryCommon.java b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/UserRepositoryCommon.java new file mode 100644 index 0000000000..abd758cec2 --- /dev/null +++ b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/UserRepositoryCommon.java @@ -0,0 +1,544 @@ +package com.baeldung.dao.repositories; + +import com.baeldung.dao.repositories.user.UserRepository; +import com.baeldung.domain.user.User; +import org.junit.After; +import org.junit.Test; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.data.domain.Page; +import org.springframework.data.domain.PageRequest; +import org.springframework.data.domain.Sort; +import org.springframework.data.jpa.domain.JpaSort; +import org.springframework.data.mapping.PropertyReferenceException; +import org.springframework.transaction.annotation.Transactional; + +import javax.persistence.EntityManager; +import javax.persistence.Query; +import java.time.LocalDate; +import java.util.*; +import java.util.function.Predicate; +import java.util.stream.Stream; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.junit.Assert.*; + +class UserRepositoryCommon { + + final String USER_EMAIL = "email@example.com"; + final String USER_EMAIL2 = "email2@example.com"; + final String USER_EMAIL3 = "email3@example.com"; + final String USER_EMAIL4 = "email4@example.com"; + final Integer INACTIVE_STATUS = 0; + final Integer ACTIVE_STATUS = 1; + final String USER_EMAIL5 = "email5@example.com"; + final String USER_EMAIL6 = "email6@example.com"; + final String USER_NAME_ADAM = "Adam"; + final String USER_NAME_PETER = "Peter"; + + @Autowired + protected UserRepository userRepository; + @Autowired + private EntityManager entityManager; + + @Test + @Transactional + public void givenUsersWithSameNameInDB_WhenFindAllByName_ThenReturnStreamOfUsers() { + User user1 = new User(); + user1.setName(USER_NAME_ADAM); + user1.setEmail(USER_EMAIL); + userRepository.save(user1); + + User user2 = new User(); + user2.setName(USER_NAME_ADAM); + user2.setEmail(USER_EMAIL2); + userRepository.save(user2); + + User user3 = new User(); + user3.setName(USER_NAME_ADAM); + user3.setEmail(USER_EMAIL3); + userRepository.save(user3); + + User user4 = new User(); + user4.setName("SAMPLE"); + user4.setEmail(USER_EMAIL4); + userRepository.save(user4); + + try (Stream foundUsersStream = userRepository.findAllByName(USER_NAME_ADAM)) { + assertThat(foundUsersStream.count()).isEqualTo(3l); + } + } + + @Test + public void givenUsersInDB_WhenFindAllWithQueryAnnotation_ThenReturnCollectionWithActiveUsers() { + User user1 = new User(); + user1.setName(USER_NAME_ADAM); + user1.setEmail(USER_EMAIL); + user1.setStatus(ACTIVE_STATUS); + userRepository.save(user1); + + User user2 = new User(); + user2.setName(USER_NAME_ADAM); + user2.setEmail(USER_EMAIL2); + user2.setStatus(ACTIVE_STATUS); + userRepository.save(user2); + + User user3 = new User(); + user3.setName(USER_NAME_ADAM); + user3.setEmail(USER_EMAIL3); + user3.setStatus(INACTIVE_STATUS); + userRepository.save(user3); + + Collection allActiveUsers = userRepository.findAllActiveUsers(); + + assertThat(allActiveUsers.size()).isEqualTo(2); + } + + @Test + public void givenUsersInDB_WhenFindAllWithQueryAnnotationNative_ThenReturnCollectionWithActiveUsers() { + User user1 = new User(); + user1.setName(USER_NAME_ADAM); + user1.setEmail(USER_EMAIL); + user1.setStatus(ACTIVE_STATUS); + userRepository.save(user1); + + User user2 = new User(); + user2.setName(USER_NAME_ADAM); + user2.setEmail(USER_EMAIL2); + user2.setStatus(ACTIVE_STATUS); + userRepository.save(user2); + + User user3 = new User(); + user3.setName(USER_NAME_ADAM); + user3.setEmail(USER_EMAIL3); + user3.setStatus(INACTIVE_STATUS); + userRepository.save(user3); + + Collection allActiveUsers = userRepository.findAllActiveUsersNative(); + + assertThat(allActiveUsers.size()).isEqualTo(2); + } + + @Test + public void givenUserInDB_WhenFindUserByStatusWithQueryAnnotation_ThenReturnActiveUser() { + User user = new User(); + user.setName(USER_NAME_ADAM); + user.setEmail(USER_EMAIL); + user.setStatus(ACTIVE_STATUS); + userRepository.save(user); + + User userByStatus = userRepository.findUserByStatus(ACTIVE_STATUS); + + assertThat(userByStatus.getName()).isEqualTo(USER_NAME_ADAM); + } + + @Test + public void givenUserInDB_WhenFindUserByStatusWithQueryAnnotationNative_ThenReturnActiveUser() { + User user = new User(); + user.setName(USER_NAME_ADAM); + user.setEmail(USER_EMAIL); + user.setStatus(ACTIVE_STATUS); + userRepository.save(user); + + User userByStatus = userRepository.findUserByStatusNative(ACTIVE_STATUS); + + assertThat(userByStatus.getName()).isEqualTo(USER_NAME_ADAM); + } + + @Test + public void givenUsersInDB_WhenFindUserByStatusAndNameWithQueryAnnotationIndexedParams_ThenReturnOneUser() { + User user = new User(); + user.setName(USER_NAME_ADAM); + user.setEmail(USER_EMAIL); + user.setStatus(ACTIVE_STATUS); + userRepository.save(user); + + User user2 = new User(); + user2.setName(USER_NAME_PETER); + user2.setEmail(USER_EMAIL2); + user2.setStatus(ACTIVE_STATUS); + userRepository.save(user2); + + User userByStatus = userRepository.findUserByStatusAndName(ACTIVE_STATUS, USER_NAME_ADAM); + + assertThat(userByStatus.getName()).isEqualTo(USER_NAME_ADAM); + } + + @Test + public void givenUsersInDB_WhenFindUserByStatusAndNameWithQueryAnnotationNamedParams_ThenReturnOneUser() { + User user = new User(); + user.setName(USER_NAME_ADAM); + user.setEmail(USER_EMAIL); + user.setStatus(ACTIVE_STATUS); + userRepository.save(user); + + User user2 = new User(); + user2.setName(USER_NAME_PETER); + user2.setEmail(USER_EMAIL2); + user2.setStatus(ACTIVE_STATUS); + userRepository.save(user2); + + User userByStatus = userRepository.findUserByStatusAndNameNamedParams(ACTIVE_STATUS, USER_NAME_ADAM); + + assertThat(userByStatus.getName()).isEqualTo(USER_NAME_ADAM); + } + + @Test + public void givenUsersInDB_WhenFindUserByStatusAndNameWithQueryAnnotationNativeNamedParams_ThenReturnOneUser() { + User user = new User(); + user.setName(USER_NAME_ADAM); + user.setEmail(USER_EMAIL); + user.setStatus(ACTIVE_STATUS); + userRepository.save(user); + + User user2 = new User(); + user2.setName(USER_NAME_PETER); + user2.setEmail(USER_EMAIL2); + user2.setStatus(ACTIVE_STATUS); + userRepository.save(user2); + + User userByStatus = userRepository.findUserByStatusAndNameNamedParamsNative(ACTIVE_STATUS, USER_NAME_ADAM); + + assertThat(userByStatus.getName()).isEqualTo(USER_NAME_ADAM); + } + + @Test + public void givenUsersInDB_WhenFindUserByStatusAndNameWithQueryAnnotationNamedParamsCustomNames_ThenReturnOneUser() { + User user = new User(); + user.setName(USER_NAME_ADAM); + user.setEmail(USER_EMAIL); + user.setStatus(ACTIVE_STATUS); + userRepository.save(user); + + User user2 = new User(); + user2.setName(USER_NAME_PETER); + user2.setEmail(USER_EMAIL2); + user2.setStatus(ACTIVE_STATUS); + userRepository.save(user2); + + User userByStatus = userRepository.findUserByUserStatusAndUserName(ACTIVE_STATUS, USER_NAME_ADAM); + + assertThat(userByStatus.getName()).isEqualTo(USER_NAME_ADAM); + } + + @Test + public void givenUsersInDB_WhenFindUserByNameLikeWithQueryAnnotationIndexedParams_ThenReturnUser() { + User user = new User(); + user.setName(USER_NAME_ADAM); + user.setEmail(USER_EMAIL); + user.setStatus(ACTIVE_STATUS); + userRepository.save(user); + + User userByStatus = userRepository.findUserByNameLike("Ad"); + + assertThat(userByStatus.getName()).isEqualTo(USER_NAME_ADAM); + } + + @Test + public void givenUsersInDB_WhenFindUserByNameLikeWithQueryAnnotationNamedParams_ThenReturnUser() { + User user = new User(); + user.setName(USER_NAME_ADAM); + user.setEmail(USER_EMAIL); + user.setStatus(ACTIVE_STATUS); + userRepository.save(user); + + User userByStatus = userRepository.findUserByNameLikeNamedParam("Ad"); + + assertThat(userByStatus.getName()).isEqualTo(USER_NAME_ADAM); + } + + @Test + public void givenUsersInDB_WhenFindUserByNameLikeWithQueryAnnotationNative_ThenReturnUser() { + User user = new User(); + user.setName(USER_NAME_ADAM); + user.setEmail(USER_EMAIL); + user.setStatus(ACTIVE_STATUS); + userRepository.save(user); + + User userByStatus = userRepository.findUserByNameLikeNative("Ad"); + + assertThat(userByStatus.getName()).isEqualTo(USER_NAME_ADAM); + } + + @Test + public void givenUsersInDB_WhenFindAllWithSortByName_ThenReturnUsersSorted() { + userRepository.save(new User(USER_NAME_ADAM, LocalDate.now(), USER_EMAIL, ACTIVE_STATUS)); + userRepository.save(new User(USER_NAME_PETER, LocalDate.now(), USER_EMAIL2, ACTIVE_STATUS)); + userRepository.save(new User("SAMPLE", LocalDate.now(), USER_EMAIL3, INACTIVE_STATUS)); + + List usersSortByName = userRepository.findAll(new Sort(Sort.Direction.ASC, "name")); + + assertThat(usersSortByName.get(0) + .getName()).isEqualTo(USER_NAME_ADAM); + } + + @Test(expected = PropertyReferenceException.class) + public void givenUsersInDB_WhenFindAllSortWithFunction_ThenThrowException() { + userRepository.save(new User(USER_NAME_ADAM, LocalDate.now(), USER_EMAIL, ACTIVE_STATUS)); + userRepository.save(new User(USER_NAME_PETER, LocalDate.now(), USER_EMAIL2, ACTIVE_STATUS)); + userRepository.save(new User("SAMPLE", LocalDate.now(), USER_EMAIL3, INACTIVE_STATUS)); + + userRepository.findAll(new Sort(Sort.Direction.ASC, "name")); + + List usersSortByNameLength = userRepository.findAll(new Sort("LENGTH(name)")); + + assertThat(usersSortByNameLength.get(0) + .getName()).isEqualTo(USER_NAME_ADAM); + } + + @Test + public void givenUsersInDB_WhenFindAllSortWithFunctionQueryAnnotationJPQL_ThenReturnUsersSorted() { + userRepository.save(new User(USER_NAME_ADAM, LocalDate.now(), USER_EMAIL, ACTIVE_STATUS)); + userRepository.save(new User(USER_NAME_PETER, LocalDate.now(), USER_EMAIL2, ACTIVE_STATUS)); + userRepository.save(new User("SAMPLE", LocalDate.now(), USER_EMAIL3, INACTIVE_STATUS)); + + userRepository.findAllUsers(new Sort("name")); + + List usersSortByNameLength = userRepository.findAllUsers(JpaSort.unsafe("LENGTH(name)")); + + assertThat(usersSortByNameLength.get(0) + .getName()).isEqualTo(USER_NAME_ADAM); + } + + @Test + public void givenUsersInDB_WhenFindAllWithPageRequestQueryAnnotationJPQL_ThenReturnPageOfUsers() { + userRepository.save(new User(USER_NAME_ADAM, LocalDate.now(), USER_EMAIL, ACTIVE_STATUS)); + userRepository.save(new User(USER_NAME_PETER, LocalDate.now(), USER_EMAIL2, ACTIVE_STATUS)); + userRepository.save(new User("SAMPLE", LocalDate.now(), USER_EMAIL3, INACTIVE_STATUS)); + userRepository.save(new User("SAMPLE1", LocalDate.now(), USER_EMAIL4, INACTIVE_STATUS)); + userRepository.save(new User("SAMPLE2", LocalDate.now(), USER_EMAIL5, INACTIVE_STATUS)); + userRepository.save(new User("SAMPLE3", LocalDate.now(), USER_EMAIL6, INACTIVE_STATUS)); + + Page usersPage = userRepository.findAllUsersWithPagination(new PageRequest(1, 3)); + + assertThat(usersPage.getContent() + .get(0) + .getName()).isEqualTo("SAMPLE1"); + } + + @Test + public void givenUsersInDB_WhenFindAllWithPageRequestQueryAnnotationNative_ThenReturnPageOfUsers() { + userRepository.save(new User(USER_NAME_ADAM, LocalDate.now(), USER_EMAIL, ACTIVE_STATUS)); + userRepository.save(new User(USER_NAME_PETER, LocalDate.now(), USER_EMAIL2, ACTIVE_STATUS)); + userRepository.save(new User("SAMPLE", LocalDate.now(), USER_EMAIL3, INACTIVE_STATUS)); + userRepository.save(new User("SAMPLE1", LocalDate.now(), USER_EMAIL4, INACTIVE_STATUS)); + userRepository.save(new User("SAMPLE2", LocalDate.now(), USER_EMAIL5, INACTIVE_STATUS)); + userRepository.save(new User("SAMPLE3", LocalDate.now(), USER_EMAIL6, INACTIVE_STATUS)); + + Page usersSortByNameLength = userRepository.findAllUsersWithPaginationNative(new PageRequest(1, 3)); + + assertThat(usersSortByNameLength.getContent() + .get(0) + .getName()).isEqualTo(USER_NAME_PETER); + } + + @Test + @Transactional + public void givenUsersInDB_WhenUpdateStatusForNameModifyingQueryAnnotationJPQL_ThenModifyMatchingUsers() { + userRepository.save(new User("SAMPLE", LocalDate.now(), USER_EMAIL, ACTIVE_STATUS)); + userRepository.save(new User("SAMPLE1", LocalDate.now(), USER_EMAIL2, ACTIVE_STATUS)); + userRepository.save(new User("SAMPLE", LocalDate.now(), USER_EMAIL3, ACTIVE_STATUS)); + userRepository.save(new User("SAMPLE3", LocalDate.now(), USER_EMAIL4, ACTIVE_STATUS)); + + int updatedUsersSize = userRepository.updateUserSetStatusForName(INACTIVE_STATUS, "SAMPLE"); + + assertThat(updatedUsersSize).isEqualTo(2); + } + + @Test + public void givenUsersInDB_WhenFindByEmailsWithDynamicQuery_ThenReturnCollection() { + + User user1 = new User(); + user1.setEmail(USER_EMAIL); + userRepository.save(user1); + + User user2 = new User(); + user2.setEmail(USER_EMAIL2); + userRepository.save(user2); + + User user3 = new User(); + user3.setEmail(USER_EMAIL3); + userRepository.save(user3); + + Set emails = new HashSet<>(); + emails.add(USER_EMAIL2); + emails.add(USER_EMAIL3); + + Collection usersWithEmails = userRepository.findUserByEmails(emails); + + assertThat(usersWithEmails.size()).isEqualTo(2); + } + + @Test + public void givenUsersInDBWhenFindByNameListReturnCollection() { + + User user1 = new User(); + user1.setName(USER_NAME_ADAM); + user1.setEmail(USER_EMAIL); + userRepository.save(user1); + + User user2 = new User(); + user2.setName(USER_NAME_PETER); + user2.setEmail(USER_EMAIL2); + userRepository.save(user2); + + List names = Arrays.asList(USER_NAME_ADAM, USER_NAME_PETER); + + List usersWithNames = userRepository.findUserByNameList(names); + + assertThat(usersWithNames.size()).isEqualTo(2); + } + + + @Test + @Transactional + public void whenInsertedWithQuery_ThenUserIsPersisted() { + userRepository.insertUser(USER_NAME_ADAM, 1, USER_EMAIL, ACTIVE_STATUS, true); + userRepository.insertUser(USER_NAME_PETER, 1, USER_EMAIL2, ACTIVE_STATUS, true); + + User userAdam = userRepository.findUserByNameLike(USER_NAME_ADAM); + User userPeter = userRepository.findUserByNameLike(USER_NAME_PETER); + + assertThat(userAdam).isNotNull(); + assertThat(userAdam.getEmail()).isEqualTo(USER_EMAIL); + assertThat(userPeter).isNotNull(); + assertThat(userPeter.getEmail()).isEqualTo(USER_EMAIL2); + } + + + @Test + @Transactional + public void givenTwoUsers_whenFindByNameUsr01_ThenUserUsr01() { + User usr01 = new User("usr01", LocalDate.now(), "usr01@baeldung.com", 1); + User usr02 = new User("usr02", LocalDate.now(), "usr02@baeldung.com", 1); + + userRepository.save(usr01); + userRepository.save(usr02); + + try (Stream users = userRepository.findAllByName("usr01")) { + assertTrue(users.allMatch(usr -> usr.equals(usr01))); + } + } + + @Test + @Transactional + public void givenTwoUsers_whenFindByNameUsr00_ThenNoUsers() { + User usr01 = new User("usr01", LocalDate.now(), "usr01@baeldung.com", 1); + User usr02 = new User("usr02", LocalDate.now(), "usr02@baeldung.com", 1); + + userRepository.save(usr01); + userRepository.save(usr02); + + try (Stream users = userRepository.findAllByName("usr00")) { + assertEquals(0, users.count()); + } + } + + @Test + public void givenTwoUsers_whenFindUsersWithGmailAddress_ThenUserUsr02() { + User usr01 = new User("usr01", LocalDate.now(), "usr01@baeldung.com", 1); + User usr02 = new User("usr02", LocalDate.now(), "usr02@gmail.com", 1); + + userRepository.save(usr01); + userRepository.save(usr02); + + List users = userRepository.findUsersWithGmailAddress(); + assertEquals(1, users.size()); + assertEquals(usr02, users.get(0)); + } + + @Test + @Transactional + public void givenTwoUsers_whenDeleteAllByCreationDateAfter_ThenOneUserRemains() { + User usr01 = new User("usr01", LocalDate.of(2018, 1, 1), "usr01@baeldung.com", 1); + User usr02 = new User("usr02", LocalDate.of(2018, 6, 1), "usr02@baeldung.com", 1); + + userRepository.save(usr01); + userRepository.save(usr02); + + userRepository.deleteAllByCreationDateAfter(LocalDate.of(2018, 5, 1)); + + List users = userRepository.findAll(); + + assertEquals(1, users.size()); + assertEquals(usr01, users.get(0)); + } + + @Test + public void givenTwoUsers_whenFindAllUsersByPredicates_ThenUserUsr01() { + User usr01 = new User("usr01", LocalDate.of(2018, 1, 1), "usr01@baeldung.com", 1); + User usr02 = new User("usr02", LocalDate.of(2018, 6, 1), "usr02@baeldung.org", 1); + + userRepository.save(usr01); + userRepository.save(usr02); + + List> predicates = new ArrayList<>(); + predicates.add(usr -> usr.getCreationDate().isAfter(LocalDate.of(2017, 12, 31))); + predicates.add(usr -> usr.getEmail().endsWith(".com")); + + List users = userRepository.findAllUsersByPredicates(predicates); + + assertEquals(1, users.size()); + assertEquals(usr01, users.get(0)); + } + + @Test + @Transactional + public void givenTwoUsers_whenDeactivateUsersNotLoggedInSince_ThenUserUsr02Deactivated() { + User usr01 = new User("usr01", LocalDate.of(2018, 1, 1), "usr01@baeldung.com", 1); + usr01.setLastLoginDate(LocalDate.now()); + User usr02 = new User("usr02", LocalDate.of(2018, 6, 1), "usr02@baeldung.org", 1); + usr02.setLastLoginDate(LocalDate.of(2018, 7, 20)); + + userRepository.save(usr01); + userRepository.save(usr02); + + userRepository.deactivateUsersNotLoggedInSince(LocalDate.of(2018, 8, 1)); + + List users = userRepository.findAllUsers(Sort.by(Sort.Order.asc("name"))); + assertTrue(users.get(0).isActive()); + assertFalse(users.get(1).isActive()); + } + + @Test + @Transactional + public void givenTwoUsers_whenDeleteDeactivatedUsers_ThenUserUsr02Deleted() { + User usr01 = new User("usr01", LocalDate.of(2018, 1, 1), "usr01@baeldung.com", 1); + usr01.setLastLoginDate(LocalDate.now()); + User usr02 = new User("usr02", LocalDate.of(2018, 6, 1), "usr02@baeldung.com", 0); + usr02.setLastLoginDate(LocalDate.of(2018, 7, 20)); + usr02.setActive(false); + + userRepository.save(usr01); + userRepository.save(usr02); + + int deletedUsersCount = userRepository.deleteDeactivatedUsers(); + + List users = userRepository.findAll(); + assertEquals(1, users.size()); + assertEquals(usr01, users.get(0)); + assertEquals(1, deletedUsersCount); + } + + @Test + @Transactional + public void givenTwoUsers_whenAddDeletedColumn_ThenUsersHaveDeletedColumn() { + User usr01 = new User("usr01", LocalDate.of(2018, 1, 1), "usr01@baeldung.com", 1); + usr01.setLastLoginDate(LocalDate.now()); + User usr02 = new User("usr02", LocalDate.of(2018, 6, 1), "usr02@baeldung.org", 1); + usr02.setLastLoginDate(LocalDate.of(2018, 7, 20)); + usr02.setActive(false); + + userRepository.save(usr01); + userRepository.save(usr02); + + userRepository.addDeletedColumn(); + + Query nativeQuery = entityManager.createNativeQuery("select deleted from USERS where NAME = 'usr01'"); + assertEquals(0, nativeQuery.getResultList().get(0)); + } + + @After + public void cleanUp() { + userRepository.deleteAll(); + } +} diff --git a/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/UserRepositoryIntegrationTest.java b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/UserRepositoryIntegrationTest.java index e29161394b..09f937c8f2 100644 --- a/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/UserRepositoryIntegrationTest.java +++ b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/UserRepositoryIntegrationTest.java @@ -1,25 +1,15 @@ package com.baeldung.dao.repositories; import com.baeldung.config.PersistenceConfiguration; -import com.baeldung.dao.repositories.user.UserRepository; import com.baeldung.domain.user.User; -import org.junit.After; import org.junit.Test; import org.junit.runner.RunWith; -import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.context.SpringBootTest; -import org.springframework.data.domain.Page; -import org.springframework.data.domain.PageRequest; -import org.springframework.data.domain.Sort; -import org.springframework.data.jpa.domain.JpaSort; -import org.springframework.data.mapping.PropertyReferenceException; import org.springframework.test.annotation.DirtiesContext; import org.springframework.test.context.junit4.SpringRunner; import org.springframework.transaction.annotation.Transactional; -import java.util.Collection; -import java.util.List; -import java.util.stream.Stream; +import java.time.LocalDate; import static org.assertj.core.api.Assertions.assertThat; @@ -29,350 +19,19 @@ import static org.assertj.core.api.Assertions.assertThat; @RunWith(SpringRunner.class) @SpringBootTest(classes = PersistenceConfiguration.class) @DirtiesContext -public class UserRepositoryIntegrationTest { - - private final String USER_NAME_ADAM = "Adam"; - private final String USER_NAME_PETER = "Peter"; - - private final String USER_EMAIL = "email@example.com"; - private final String USER_EMAIL2 = "email2@example.com"; - private final String USER_EMAIL3 = "email3@example.com"; - private final String USER_EMAIL4 = "email4@example.com"; - private final String USER_EMAIL5 = "email5@example.com"; - private final String USER_EMAIL6 = "email6@example.com"; - - private final Integer INACTIVE_STATUS = 0; - private final Integer ACTIVE_STATUS = 1; - - @Autowired - private UserRepository userRepository; - - @Test - @Transactional - public void givenUsersWithSameNameInDBWhenFindAllByNameThenReturnStreamOfUsers() { - User user1 = new User(); - user1.setName(USER_NAME_ADAM); - user1.setEmail(USER_EMAIL); - userRepository.save(user1); - - User user2 = new User(); - user2.setName(USER_NAME_ADAM); - user2.setEmail(USER_EMAIL2); - userRepository.save(user2); - - User user3 = new User(); - user3.setName(USER_NAME_ADAM); - user3.setEmail(USER_EMAIL3); - userRepository.save(user3); - - User user4 = new User(); - user4.setName("SAMPLE"); - user4.setEmail(USER_EMAIL4); - userRepository.save(user4); - - try (Stream foundUsersStream = userRepository.findAllByName(USER_NAME_ADAM)) { - assertThat(foundUsersStream.count()).isEqualTo(3l); - } - } - - @Test - public void givenUsersInDBWhenFindAllWithQueryAnnotationThenReturnCollectionWithActiveUsers() { - User user1 = new User(); - user1.setName(USER_NAME_ADAM); - user1.setEmail(USER_EMAIL); - user1.setStatus(ACTIVE_STATUS); - userRepository.save(user1); - - User user2 = new User(); - user2.setName(USER_NAME_ADAM); - user2.setEmail(USER_EMAIL2); - user2.setStatus(ACTIVE_STATUS); - userRepository.save(user2); - - User user3 = new User(); - user3.setName(USER_NAME_ADAM); - user3.setEmail(USER_EMAIL3); - user3.setStatus(INACTIVE_STATUS); - userRepository.save(user3); - - Collection allActiveUsers = userRepository.findAllActiveUsers(); - - assertThat(allActiveUsers.size()).isEqualTo(2); - } - - @Test - public void givenUsersInDBWhenFindAllWithQueryAnnotationNativeThenReturnCollectionWithActiveUsers() { - User user1 = new User(); - user1.setName(USER_NAME_ADAM); - user1.setEmail(USER_EMAIL); - user1.setStatus(ACTIVE_STATUS); - userRepository.save(user1); - - User user2 = new User(); - user2.setName(USER_NAME_ADAM); - user2.setEmail(USER_EMAIL2); - user2.setStatus(ACTIVE_STATUS); - userRepository.save(user2); - - User user3 = new User(); - user3.setName(USER_NAME_ADAM); - user3.setEmail(USER_EMAIL3); - user3.setStatus(INACTIVE_STATUS); - userRepository.save(user3); - - Collection allActiveUsers = userRepository.findAllActiveUsersNative(); - - assertThat(allActiveUsers.size()).isEqualTo(2); - } - - @Test - public void givenUserInDBWhenFindUserByStatusWithQueryAnnotationThenReturnActiveUser() { - User user = new User(); - user.setName(USER_NAME_ADAM); - user.setEmail(USER_EMAIL); - user.setStatus(ACTIVE_STATUS); - userRepository.save(user); - - User userByStatus = userRepository.findUserByStatus(ACTIVE_STATUS); - - assertThat(userByStatus.getName()).isEqualTo(USER_NAME_ADAM); - } - - @Test - public void givenUserInDBWhenFindUserByStatusWithQueryAnnotationNativeThenReturnActiveUser() { - User user = new User(); - user.setName(USER_NAME_ADAM); - user.setEmail(USER_EMAIL); - user.setStatus(ACTIVE_STATUS); - userRepository.save(user); - - User userByStatus = userRepository.findUserByStatusNative(ACTIVE_STATUS); - - assertThat(userByStatus.getName()).isEqualTo(USER_NAME_ADAM); - } - - @Test - public void givenUsersInDBWhenFindUserByStatusAndNameWithQueryAnnotationIndexedParamsThenReturnOneUser() { - User user = new User(); - user.setName(USER_NAME_ADAM); - user.setEmail(USER_EMAIL); - user.setStatus(ACTIVE_STATUS); - userRepository.save(user); - - User user2 = new User(); - user2.setName(USER_NAME_PETER); - user2.setEmail(USER_EMAIL2); - user2.setStatus(ACTIVE_STATUS); - userRepository.save(user2); - - User userByStatus = userRepository.findUserByStatusAndName(ACTIVE_STATUS, USER_NAME_ADAM); - - assertThat(userByStatus.getName()).isEqualTo(USER_NAME_ADAM); - } - - @Test - public void givenUsersInDBWhenFindUserByStatusAndNameWithQueryAnnotationNamedParamsThenReturnOneUser() { - User user = new User(); - user.setName(USER_NAME_ADAM); - user.setEmail(USER_EMAIL); - user.setStatus(ACTIVE_STATUS); - userRepository.save(user); - - User user2 = new User(); - user2.setName(USER_NAME_PETER); - user2.setEmail(USER_EMAIL2); - user2.setStatus(ACTIVE_STATUS); - userRepository.save(user2); - - User userByStatus = userRepository.findUserByStatusAndNameNamedParams(ACTIVE_STATUS, USER_NAME_ADAM); - - assertThat(userByStatus.getName()).isEqualTo(USER_NAME_ADAM); - } - - @Test - public void givenUsersInDBWhenFindUserByStatusAndNameWithQueryAnnotationNativeNamedParamsThenReturnOneUser() { - User user = new User(); - user.setName(USER_NAME_ADAM); - user.setEmail(USER_EMAIL); - user.setStatus(ACTIVE_STATUS); - userRepository.save(user); - - User user2 = new User(); - user2.setName(USER_NAME_PETER); - user2.setEmail(USER_EMAIL2); - user2.setStatus(ACTIVE_STATUS); - userRepository.save(user2); - - User userByStatus = userRepository.findUserByStatusAndNameNamedParamsNative(ACTIVE_STATUS, USER_NAME_ADAM); - - assertThat(userByStatus.getName()).isEqualTo(USER_NAME_ADAM); - } - - @Test - public void givenUsersInDBWhenFindUserByStatusAndNameWithQueryAnnotationNamedParamsCustomNamesThenReturnOneUser() { - User user = new User(); - user.setName(USER_NAME_ADAM); - user.setEmail(USER_EMAIL); - user.setStatus(ACTIVE_STATUS); - userRepository.save(user); - - User user2 = new User(); - user2.setName(USER_NAME_PETER); - user2.setEmail(USER_EMAIL2); - user2.setStatus(ACTIVE_STATUS); - userRepository.save(user2); - - User userByStatus = userRepository.findUserByUserStatusAndUserName(ACTIVE_STATUS, USER_NAME_ADAM); - - assertThat(userByStatus.getName()).isEqualTo(USER_NAME_ADAM); - } - - @Test - public void givenUsersInDBWhenFindUserByNameLikeWithQueryAnnotationIndexedParamsThenReturnUser() { - User user = new User(); - user.setName(USER_NAME_ADAM); - user.setEmail(USER_EMAIL); - user.setStatus(ACTIVE_STATUS); - userRepository.save(user); - - User userByStatus = userRepository.findUserByNameLike("Ad"); - - assertThat(userByStatus.getName()).isEqualTo(USER_NAME_ADAM); - } - - @Test - public void givenUsersInDBWhenFindUserByNameLikeWithQueryAnnotationNamedParamsThenReturnUser() { - User user = new User(); - user.setName(USER_NAME_ADAM); - user.setEmail(USER_EMAIL); - user.setStatus(ACTIVE_STATUS); - userRepository.save(user); - - User userByStatus = userRepository.findUserByNameLikeNamedParam("Ad"); - - assertThat(userByStatus.getName()).isEqualTo(USER_NAME_ADAM); - } - - @Test - public void givenUsersInDBWhenFindUserByNameLikeWithQueryAnnotationNativeThenReturnUser() { - User user = new User(); - user.setName(USER_NAME_ADAM); - user.setEmail(USER_EMAIL); - user.setStatus(ACTIVE_STATUS); - userRepository.save(user); - - User userByStatus = userRepository.findUserByNameLikeNative("Ad"); - - assertThat(userByStatus.getName()).isEqualTo(USER_NAME_ADAM); - } - - @Test - public void givenUsersInDBWhenFindAllWithSortByNameThenReturnUsersSorted() { - userRepository.save(new User(USER_NAME_ADAM, USER_EMAIL, ACTIVE_STATUS)); - userRepository.save(new User(USER_NAME_PETER, USER_EMAIL2, ACTIVE_STATUS)); - userRepository.save(new User("SAMPLE", USER_EMAIL3, INACTIVE_STATUS)); - - List usersSortByName = userRepository.findAll(new Sort(Sort.Direction.ASC, "name")); - - assertThat(usersSortByName - .get(0) - .getName()).isEqualTo(USER_NAME_ADAM); - } - - @Test(expected = PropertyReferenceException.class) - public void givenUsersInDBWhenFindAllSortWithFunctionThenThrowException() { - userRepository.save(new User(USER_NAME_ADAM, USER_EMAIL, ACTIVE_STATUS)); - userRepository.save(new User(USER_NAME_PETER, USER_EMAIL2, ACTIVE_STATUS)); - userRepository.save(new User("SAMPLE", USER_EMAIL3, INACTIVE_STATUS)); - - userRepository.findAll(new Sort(Sort.Direction.ASC, "name")); - - List usersSortByNameLength = userRepository.findAll(new Sort("LENGTH(name)")); - - assertThat(usersSortByNameLength - .get(0) - .getName()).isEqualTo(USER_NAME_ADAM); - } - - @Test - public void givenUsersInDBWhenFindAllSortWithFunctionQueryAnnotationJPQLThenReturnUsersSorted() { - userRepository.save(new User(USER_NAME_ADAM, USER_EMAIL, ACTIVE_STATUS)); - userRepository.save(new User(USER_NAME_PETER, USER_EMAIL2, ACTIVE_STATUS)); - userRepository.save(new User("SAMPLE", USER_EMAIL3, INACTIVE_STATUS)); - - userRepository.findAllUsers(new Sort("name")); - - List usersSortByNameLength = userRepository.findAllUsers(JpaSort.unsafe("LENGTH(name)")); - - assertThat(usersSortByNameLength - .get(0) - .getName()).isEqualTo(USER_NAME_ADAM); - } - - @Test - public void givenUsersInDBWhenFindAllWithPageRequestQueryAnnotationJPQLThenReturnPageOfUsers() { - userRepository.save(new User(USER_NAME_ADAM, USER_EMAIL, ACTIVE_STATUS)); - userRepository.save(new User(USER_NAME_PETER, USER_EMAIL2, ACTIVE_STATUS)); - userRepository.save(new User("SAMPLE", USER_EMAIL3, INACTIVE_STATUS)); - userRepository.save(new User("SAMPLE1", USER_EMAIL4, INACTIVE_STATUS)); - userRepository.save(new User("SAMPLE2", USER_EMAIL5, INACTIVE_STATUS)); - userRepository.save(new User("SAMPLE3", USER_EMAIL6, INACTIVE_STATUS)); - - Page usersPage = userRepository.findAllUsersWithPagination(new PageRequest(1, 3)); - - assertThat(usersPage - .getContent() - .get(0) - .getName()).isEqualTo("SAMPLE1"); - } - - @Test - public void givenUsersInDBWhenFindAllWithPageRequestQueryAnnotationNativeThenReturnPageOfUsers() { - userRepository.save(new User(USER_NAME_ADAM, USER_EMAIL, ACTIVE_STATUS)); - userRepository.save(new User(USER_NAME_PETER, USER_EMAIL2, ACTIVE_STATUS)); - userRepository.save(new User("SAMPLE", USER_EMAIL3, INACTIVE_STATUS)); - userRepository.save(new User("SAMPLE1", USER_EMAIL4, INACTIVE_STATUS)); - userRepository.save(new User("SAMPLE2", USER_EMAIL5, INACTIVE_STATUS)); - userRepository.save(new User("SAMPLE3", USER_EMAIL6, INACTIVE_STATUS)); - - Page usersSortByNameLength = userRepository.findAllUsersWithPaginationNative(new PageRequest(1, 3)); - - assertThat(usersSortByNameLength - .getContent() - .get(0) - .getName()).isEqualTo("SAMPLE1"); - } - - @Test - @Transactional - public void givenUsersInDBWhenUpdateStatusForNameModifyingQueryAnnotationJPQLThenModifyMatchingUsers() { - userRepository.save(new User("SAMPLE", USER_EMAIL, ACTIVE_STATUS)); - userRepository.save(new User("SAMPLE1", USER_EMAIL2, ACTIVE_STATUS)); - userRepository.save(new User("SAMPLE", USER_EMAIL3, ACTIVE_STATUS)); - userRepository.save(new User("SAMPLE3", USER_EMAIL4, ACTIVE_STATUS)); - - int updatedUsersSize = userRepository.updateUserSetStatusForName(INACTIVE_STATUS, "SAMPLE"); - - assertThat(updatedUsersSize).isEqualTo(2); - } +public class UserRepositoryIntegrationTest extends UserRepositoryCommon { @Test @Transactional public void givenUsersInDBWhenUpdateStatusForNameModifyingQueryAnnotationNativeThenModifyMatchingUsers() { - userRepository.save(new User("SAMPLE", USER_EMAIL, ACTIVE_STATUS)); - userRepository.save(new User("SAMPLE1", USER_EMAIL2, ACTIVE_STATUS)); - userRepository.save(new User("SAMPLE", USER_EMAIL3, ACTIVE_STATUS)); - userRepository.save(new User("SAMPLE3", USER_EMAIL4, ACTIVE_STATUS)); + userRepository.save(new User("SAMPLE", LocalDate.now(), USER_EMAIL, ACTIVE_STATUS)); + userRepository.save(new User("SAMPLE1", LocalDate.now(), USER_EMAIL2, ACTIVE_STATUS)); + userRepository.save(new User("SAMPLE", LocalDate.now(), USER_EMAIL3, ACTIVE_STATUS)); + userRepository.save(new User("SAMPLE3", LocalDate.now(), USER_EMAIL4, ACTIVE_STATUS)); userRepository.flush(); int updatedUsersSize = userRepository.updateUserSetStatusForNameNative(INACTIVE_STATUS, "SAMPLE"); assertThat(updatedUsersSize).isEqualTo(2); } - - @After - public void cleanUp() { - userRepository.deleteAll(); - } - } diff --git a/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/UserRepositoryTCAutoIntegrationTest.java b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/UserRepositoryTCAutoIntegrationTest.java new file mode 100644 index 0000000000..6a851823e3 --- /dev/null +++ b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/UserRepositoryTCAutoIntegrationTest.java @@ -0,0 +1,42 @@ +package com.baeldung.dao.repositories; + +import com.baeldung.domain.user.User; +import com.baeldung.util.BaeldungPostgresqlContainer; +import org.junit.ClassRule; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.test.context.ActiveProfiles; +import org.springframework.test.context.junit4.SpringRunner; +import org.springframework.transaction.annotation.Transactional; +import org.testcontainers.containers.PostgreSQLContainer; + +import java.time.LocalDate; + +import static org.assertj.core.api.Assertions.assertThat; + +/** + * Created by adam. + */ +@RunWith(SpringRunner.class) +@SpringBootTest +@ActiveProfiles({"tc", "tc-auto"}) +public class UserRepositoryTCAutoIntegrationTest extends UserRepositoryCommon { + + @ClassRule + public static PostgreSQLContainer postgreSQLContainer = BaeldungPostgresqlContainer.getInstance(); + + @Test + @Transactional + public void givenUsersInDB_WhenUpdateStatusForNameModifyingQueryAnnotationNativePostgres_ThenModifyMatchingUsers() { + userRepository.save(new User("SAMPLE", LocalDate.now(), USER_EMAIL, ACTIVE_STATUS)); + userRepository.save(new User("SAMPLE1", LocalDate.now(), USER_EMAIL2, ACTIVE_STATUS)); + userRepository.save(new User("SAMPLE", LocalDate.now(), USER_EMAIL3, ACTIVE_STATUS)); + userRepository.save(new User("SAMPLE3", LocalDate.now(), USER_EMAIL4, ACTIVE_STATUS)); + userRepository.flush(); + + int updatedUsersSize = userRepository.updateUserSetStatusForNameNativePostgres(INACTIVE_STATUS, "SAMPLE"); + + assertThat(updatedUsersSize).isEqualTo(2); + } +} diff --git a/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/UserRepositoryTCIntegrationTest.java b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/UserRepositoryTCIntegrationTest.java new file mode 100644 index 0000000000..c300a07ab9 --- /dev/null +++ b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/UserRepositoryTCIntegrationTest.java @@ -0,0 +1,57 @@ +package com.baeldung.dao.repositories; + +import com.baeldung.domain.user.User; +import org.junit.ClassRule; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.boot.test.util.TestPropertyValues; +import org.springframework.context.ApplicationContextInitializer; +import org.springframework.context.ConfigurableApplicationContext; +import org.springframework.test.context.ActiveProfiles; +import org.springframework.test.context.ContextConfiguration; +import org.springframework.test.context.junit4.SpringRunner; +import org.springframework.transaction.annotation.Transactional; +import org.testcontainers.containers.PostgreSQLContainer; + +import java.time.LocalDate; + +import static org.assertj.core.api.Assertions.assertThat; + +@RunWith(SpringRunner.class) +@SpringBootTest +@ActiveProfiles("tc") +@ContextConfiguration(initializers = {UserRepositoryTCIntegrationTest.Initializer.class}) +public class UserRepositoryTCIntegrationTest extends UserRepositoryCommon { + + @ClassRule + public static PostgreSQLContainer postgreSQLContainer = new PostgreSQLContainer("postgres:11.1") + .withDatabaseName("integration-tests-db") + .withUsername("sa") + .withPassword("sa"); + + @Test + @Transactional + public void givenUsersInDB_WhenUpdateStatusForNameModifyingQueryAnnotationNative_ThenModifyMatchingUsers() { + userRepository.save(new User("SAMPLE", LocalDate.now(), USER_EMAIL, ACTIVE_STATUS)); + userRepository.save(new User("SAMPLE1", LocalDate.now(), USER_EMAIL2, ACTIVE_STATUS)); + userRepository.save(new User("SAMPLE", LocalDate.now(), USER_EMAIL3, ACTIVE_STATUS)); + userRepository.save(new User("SAMPLE3", LocalDate.now(), USER_EMAIL4, ACTIVE_STATUS)); + userRepository.flush(); + + int updatedUsersSize = userRepository.updateUserSetStatusForNameNativePostgres(INACTIVE_STATUS, "SAMPLE"); + + assertThat(updatedUsersSize).isEqualTo(2); + } + + static class Initializer + implements ApplicationContextInitializer { + public void initialize(ConfigurableApplicationContext configurableApplicationContext) { + TestPropertyValues.of( + "spring.datasource.url=" + postgreSQLContainer.getJdbcUrl(), + "spring.datasource.username=" + postgreSQLContainer.getUsername(), + "spring.datasource.password=" + postgreSQLContainer.getPassword() + ).applyTo(configurableApplicationContext.getEnvironment()); + } + } +} diff --git a/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/impl/CustomItemRepositoryIntegrationTest.java b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/impl/CustomItemRepositoryIntegrationTest.java new file mode 100644 index 0000000000..c5fb7fa25f --- /dev/null +++ b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/impl/CustomItemRepositoryIntegrationTest.java @@ -0,0 +1,94 @@ +package com.baeldung.dao.repositories.impl; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertFalse; + +import java.util.List; + +import javax.persistence.EntityManager; + +import org.junit.Before; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest; +import org.springframework.test.context.junit4.SpringRunner; +import org.springframework.util.CollectionUtils; + +import com.baeldung.config.PersistenceConfiguration; +import com.baeldung.config.PersistenceProductConfiguration; +import com.baeldung.config.PersistenceUserConfiguration; +import com.baeldung.dao.repositories.CustomItemRepository; +import com.baeldung.domain.Item; + +@RunWith(SpringRunner.class) +@DataJpaTest(excludeAutoConfiguration = { PersistenceConfiguration.class, PersistenceUserConfiguration.class, PersistenceProductConfiguration.class }) +public class CustomItemRepositoryIntegrationTest { + + @Autowired + CustomItemRepository customItemRepositoryImpl; + + @Autowired + EntityManager entityManager; + + @Before + public void setUp() { + + Item firstItem = new Item(); + firstItem.setColor("blue"); + firstItem.setGrade("C"); + firstItem.setId(10l); + + entityManager.persist(firstItem); + + Item secondItem = new Item(); + secondItem.setColor("red"); + secondItem.setGrade("C"); + secondItem.setId(11l); + + entityManager.persist(secondItem); + + Item thirdItem = new Item(); + thirdItem.setColor("blue"); + thirdItem.setGrade("A"); + thirdItem.setId(12l); + + entityManager.persist(thirdItem); + + Item fourthItem = new Item(); + fourthItem.setColor("red"); + fourthItem.setGrade("D"); + fourthItem.setId(13l); + + entityManager.persist(fourthItem); + } + + @Test + public void givenItems_whenFindItemsByColorAndGrade_thenReturnItems() { + + List items = customItemRepositoryImpl.findItemsByColorAndGrade(); + + assertFalse("No items found", CollectionUtils.isEmpty(items)); + assertEquals("There should be only one item", 1, items.size()); + + Item item = items.get(0); + + assertEquals("this item do not have blue color", "blue", item.getColor()); + assertEquals("this item does not belong to A grade", "A", item.getGrade()); + } + + @Test + public void givenItems_whenFindItemByColorOrGrade_thenReturnItems() { + + List items = customItemRepositoryImpl.findItemByColorOrGrade(); + + assertFalse("No items found", CollectionUtils.isEmpty(items)); + assertEquals("There should be only one item", 1, items.size()); + + Item item = items.get(0); + + assertEquals("this item do not have red color", "red", item.getColor()); + assertEquals("this item does not belong to D grade", "D", item.getGrade()); + } + +} diff --git a/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/passenger/PassengerRepositoryIntegrationTest.java b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/passenger/PassengerRepositoryIntegrationTest.java index c57e771345..8cd19cec03 100644 --- a/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/passenger/PassengerRepositoryIntegrationTest.java +++ b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/passenger/PassengerRepositoryIntegrationTest.java @@ -1,23 +1,29 @@ package com.baeldung.passenger; +import static org.hamcrest.MatcherAssert.assertThat; +import static org.hamcrest.Matchers.contains; +import static org.hamcrest.core.IsNot.not; +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertTrue; + +import java.util.List; +import java.util.Optional; + +import javax.persistence.EntityManager; +import javax.persistence.PersistenceContext; + import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest; +import org.springframework.data.domain.Example; +import org.springframework.data.domain.ExampleMatcher; import org.springframework.data.domain.Page; import org.springframework.data.domain.PageRequest; import org.springframework.data.domain.Sort; import org.springframework.test.context.junit4.SpringRunner; -import javax.persistence.EntityManager; -import javax.persistence.PersistenceContext; -import java.util.List; - -import static org.hamcrest.MatcherAssert.assertThat; -import static org.hamcrest.Matchers.contains; -import static org.junit.Assert.assertEquals; - @DataJpaTest @RunWith(SpringRunner.class) public class PassengerRepositoryIntegrationTest { @@ -45,7 +51,7 @@ public class PassengerRepositoryIntegrationTest { assertEquals(1, passengers.size()); Passenger actual = passengers.get(0); - assertEquals(actual, expected); + assertEquals(expected, actual); } @Test @@ -54,16 +60,17 @@ public class PassengerRepositoryIntegrationTest { Passenger actual = repository.findFirstByOrderBySeatNumberAsc(); - assertEquals(actual, expected); + assertEquals(expected, actual); } @Test public void givenSeveralPassengersWhenFindPageSortedByThenThePassengerInTheFirstFilledSeatIsReturned() { Passenger expected = Passenger.from("Fred", "Bloggs", 22); - Page page = repository.findAll(PageRequest.of(0, 1, Sort.by(Sort.Direction.ASC, "seatNumber"))); + Page page = repository.findAll(PageRequest.of(0, 1, + Sort.by(Sort.Direction.ASC, "seatNumber"))); - assertEquals(page.getContent().size(), 1); + assertEquals(1, page.getContent().size()); Passenger actual = page.getContent().get(0); assertEquals(expected, actual); @@ -94,5 +101,69 @@ public class PassengerRepositoryIntegrationTest { assertThat(passengers, contains(fred, ricki, jill, siya, eve)); } + + @Test + public void givenPassengers_whenFindByExampleDefaultMatcher_thenExpectedReturned() { + Example example = Example.of(Passenger.from("Fred", "Bloggs", null)); + + Optional actual = repository.findOne(example); + + assertTrue(actual.isPresent()); + assertEquals(Passenger.from("Fred", "Bloggs", 22), actual.get()); + } + + @Test + public void givenPassengers_whenFindByExampleCaseInsensitiveMatcher_thenExpectedReturned() { + ExampleMatcher caseInsensitiveExampleMatcher = ExampleMatcher.matchingAll().withIgnoreCase(); + Example example = Example.of(Passenger.from("fred", "bloggs", null), + caseInsensitiveExampleMatcher); + + Optional actual = repository.findOne(example); + + assertTrue(actual.isPresent()); + assertEquals(Passenger.from("Fred", "Bloggs", 22), actual.get()); + } + + @Test + public void givenPassengers_whenFindByExampleCustomMatcher_thenExpectedReturned() { + Passenger jill = Passenger.from("Jill", "Smith", 50); + Passenger eve = Passenger.from("Eve", "Jackson", 95); + Passenger fred = Passenger.from("Fred", "Bloggs", 22); + Passenger siya = Passenger.from("Siya", "Kolisi", 85); + Passenger ricki = Passenger.from("Ricki", "Bobbie", 36); + + ExampleMatcher customExampleMatcher = ExampleMatcher.matchingAny().withMatcher("firstName", + ExampleMatcher.GenericPropertyMatchers.contains().ignoreCase()).withMatcher("lastName", + ExampleMatcher.GenericPropertyMatchers.contains().ignoreCase()); + + Example example = Example.of(Passenger.from("e", "s", null), + customExampleMatcher); + + List passengers = repository.findAll(example); + + assertThat(passengers, contains(jill, eve, fred, siya)); + assertThat(passengers, not(contains(ricki))); + } + + @Test + public void givenPassengers_whenFindByIgnoringMatcher_thenExpectedReturned() { + Passenger jill = Passenger.from("Jill", "Smith", 50); + Passenger eve = Passenger.from("Eve", "Jackson", 95); + Passenger fred = Passenger.from("Fred", "Bloggs", 22); + Passenger siya = Passenger.from("Siya", "Kolisi", 85); + Passenger ricki = Passenger.from("Ricki", "Bobbie", 36); + ExampleMatcher ignoringExampleMatcher = ExampleMatcher.matchingAny().withMatcher("lastName", + ExampleMatcher.GenericPropertyMatchers.startsWith().ignoreCase()).withIgnorePaths("firstName", "seatNumber"); + + Example example = Example.of(Passenger.from(null, "b", null), + ignoringExampleMatcher); + + List passengers = repository.findAll(example); + + assertThat(passengers, contains(fred, ricki)); + assertThat(passengers, not(contains(jill))); + assertThat(passengers, not(contains(eve))); + assertThat(passengers, not(contains(siya))); + } } diff --git a/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/util/BaeldungPostgresqlContainer.java b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/util/BaeldungPostgresqlContainer.java new file mode 100644 index 0000000000..e5ad2dd448 --- /dev/null +++ b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/util/BaeldungPostgresqlContainer.java @@ -0,0 +1,35 @@ +package com.baeldung.util; + +import org.testcontainers.containers.PostgreSQLContainer; + +public class BaeldungPostgresqlContainer extends PostgreSQLContainer { + + private static final String IMAGE_VERSION = "postgres:11.1"; + + private static BaeldungPostgresqlContainer container; + + + private BaeldungPostgresqlContainer() { + super(IMAGE_VERSION); + } + + public static BaeldungPostgresqlContainer getInstance() { + if (container == null) { + container = new BaeldungPostgresqlContainer(); + } + return container; + } + + @Override + public void start() { + super.start(); + System.setProperty("DB_URL", container.getJdbcUrl()); + System.setProperty("DB_USERNAME", container.getUsername()); + System.setProperty("DB_PASSWORD", container.getPassword()); + } + + @Override + public void stop() { + //do nothing, JVM handles shut down + } +} diff --git a/persistence-modules/spring-data-jpa/src/test/resources/application-tc-auto.properties b/persistence-modules/spring-data-jpa/src/test/resources/application-tc-auto.properties new file mode 100644 index 0000000000..c3005d861f --- /dev/null +++ b/persistence-modules/spring-data-jpa/src/test/resources/application-tc-auto.properties @@ -0,0 +1,4 @@ +# configuration for test containers testing +spring.datasource.url=${DB_URL} +spring.datasource.username=${DB_USERNAME} +spring.datasource.password=${DB_PASSWORD} diff --git a/persistence-modules/spring-data-jpa/src/test/resources/application-tc.properties b/persistence-modules/spring-data-jpa/src/test/resources/application-tc.properties new file mode 100644 index 0000000000..3bf8693d53 --- /dev/null +++ b/persistence-modules/spring-data-jpa/src/test/resources/application-tc.properties @@ -0,0 +1,4 @@ +# configuration for Test Containers testing +spring.datasource.driver-class-name=org.postgresql.Driver +spring.jpa.hibernate.ddl-auto=create-drop +spring.jpa.properties.hibernate.temp.use_jdbc_metadata_defaults=false diff --git a/persistence-modules/spring-data-mongodb/pom.xml b/persistence-modules/spring-data-mongodb/pom.xml index 63b9c3c1b0..7156cdf071 100644 --- a/persistence-modules/spring-data-mongodb/pom.xml +++ b/persistence-modules/spring-data-mongodb/pom.xml @@ -23,7 +23,6 @@ spring-data-releasetrain Lovelace-SR3 pom - import @@ -99,7 +98,6 @@ 2.1.2.RELEASE 4.1.4 1.1.3 - 5.1.0.RELEASE 1.9.2 3.2.0.RELEASE diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/aggregation/ZipsAggregationLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/aggregation/ZipsAggregationLiveTest.java index 1da50d7cb4..1002dc79eb 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/aggregation/ZipsAggregationLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/aggregation/ZipsAggregationLiveTest.java @@ -44,6 +44,12 @@ import com.mongodb.MongoClient; import com.mongodb.client.MongoCollection; import com.mongodb.client.MongoDatabase; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class ZipsAggregationLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/gridfs/GridFSLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/gridfs/GridFSLiveTest.java index 3a88a1e654..d25b9ece4f 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/gridfs/GridFSLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/gridfs/GridFSLiveTest.java @@ -31,6 +31,12 @@ import com.mongodb.BasicDBObject; import com.mongodb.DBObject; import com.mongodb.client.gridfs.model.GridFSFile; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @ContextConfiguration("file:src/main/resources/mongoConfig.xml") @RunWith(SpringJUnit4ClassRunner.class) public class GridFSLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/DocumentQueryLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/DocumentQueryLiveTest.java index d05bde0f1b..e5e4a188ec 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/DocumentQueryLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/DocumentQueryLiveTest.java @@ -24,6 +24,12 @@ import com.baeldung.config.MongoConfig; import com.baeldung.model.EmailAddress; import com.baeldung.model.User; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class DocumentQueryLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/MongoTemplateProjectionLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/MongoTemplateProjectionLiveTest.java index 309f14e995..9e12997c67 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/MongoTemplateProjectionLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/MongoTemplateProjectionLiveTest.java @@ -16,6 +16,12 @@ import static org.junit.Assert.assertNotNull; import static org.junit.Assert.assertNull; import static org.junit.Assert.assertTrue; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = SimpleMongoConfig.class) public class MongoTemplateProjectionLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/MongoTemplateQueryLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/MongoTemplateQueryLiveTest.java index fc78921b75..4f62f0d7a7 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/MongoTemplateQueryLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/MongoTemplateQueryLiveTest.java @@ -27,6 +27,12 @@ import com.baeldung.config.MongoConfig; import com.baeldung.model.EmailAddress; import com.baeldung.model.User; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class MongoTemplateQueryLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/ActionRepositoryLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/ActionRepositoryLiveTest.java index 096015ca0a..79648f1a20 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/ActionRepositoryLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/ActionRepositoryLiveTest.java @@ -15,6 +15,12 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import java.time.ZoneOffset; import java.time.ZonedDateTime; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class ActionRepositoryLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/BaseQueryLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/BaseQueryLiveTest.java index e4849181e5..c94bb2ae4c 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/BaseQueryLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/BaseQueryLiveTest.java @@ -7,6 +7,12 @@ import org.junit.Before; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.mongodb.core.MongoOperations; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ public class BaseQueryLiveTest { @Autowired diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/DSLQueryLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/DSLQueryLiveTest.java index f87ca5cbb5..0ccf677b3e 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/DSLQueryLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/DSLQueryLiveTest.java @@ -15,8 +15,12 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import com.querydsl.core.types.Predicate; - - +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class DSLQueryLiveTest extends BaseQueryLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/JSONQueryLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/JSONQueryLiveTest.java index 4e99c0b140..3a99407350 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/JSONQueryLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/JSONQueryLiveTest.java @@ -12,6 +12,12 @@ import org.junit.runner.RunWith; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class JSONQueryLiveTest extends BaseQueryLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/QueryMethodsLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/QueryMethodsLiveTest.java index 47e67a6b4c..ef8ce10dd1 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/QueryMethodsLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/QueryMethodsLiveTest.java @@ -12,6 +12,12 @@ import org.junit.runner.RunWith; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class QueryMethodsLiveTest extends BaseQueryLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/UserRepositoryLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/UserRepositoryLiveTest.java index 901610e42d..dd7215af7e 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/UserRepositoryLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/UserRepositoryLiveTest.java @@ -23,6 +23,12 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import com.baeldung.config.MongoConfig; import com.baeldung.model.User; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class UserRepositoryLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/UserRepositoryProjectionLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/UserRepositoryProjectionLiveTest.java index 80f4275794..8972246041 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/UserRepositoryProjectionLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/UserRepositoryProjectionLiveTest.java @@ -13,6 +13,12 @@ import org.springframework.data.mongodb.core.MongoOperations; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class UserRepositoryProjectionLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionReactiveLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionReactiveLiveTest.java index 70908552fe..3fc8dcf977 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionReactiveLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionReactiveLiveTest.java @@ -12,6 +12,12 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import com.baeldung.config.MongoReactiveConfig; import com.baeldung.model.User; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoReactiveConfig.class) public class MongoTransactionReactiveLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionTemplateLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionTemplateLiveTest.java index 20ac6974bc..53b2c7a0e7 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionTemplateLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionTemplateLiveTest.java @@ -24,6 +24,12 @@ import org.springframework.transaction.support.TransactionTemplate; import com.baeldung.config.MongoConfig; import com.baeldung.model.User; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class MongoTransactionTemplateLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionalLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionalLiveTest.java index 0cf86aa43e..bafcd770ec 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionalLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionalLiveTest.java @@ -24,6 +24,12 @@ import com.baeldung.model.User; import com.baeldung.repository.UserRepository; import com.mongodb.MongoCommandException; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) @FixMethodOrder(MethodSorters.NAME_ASCENDING) diff --git a/persistence-modules/spring-data-solr/pom.xml b/persistence-modules/spring-data-solr/pom.xml index dcba80b49a..82539b0ca8 100644 --- a/persistence-modules/spring-data-solr/pom.xml +++ b/persistence-modules/spring-data-solr/pom.xml @@ -4,8 +4,8 @@ com.baeldung spring-data-solr 0.0.1-SNAPSHOT - jar spring-data-solr + jar com.baeldung diff --git a/persistence-modules/spring-hibernate-5/README.md b/persistence-modules/spring-hibernate-5/README.md index 5e287919f1..c48e58fcca 100644 --- a/persistence-modules/spring-hibernate-5/README.md +++ b/persistence-modules/spring-hibernate-5/README.md @@ -2,4 +2,4 @@ - [Hibernate Many to Many Annotation Tutorial](http://www.baeldung.com/hibernate-many-to-many) - [Programmatic Transactions in the Spring TestContext Framework](http://www.baeldung.com/spring-test-programmatic-transactions) -- [Hibernate Criteria Queries](http://www.baeldung.com/hibernate-criteria-queries) +- [JPA Criteria Queries](http://www.baeldung.com/hibernate-criteria-queries) diff --git a/persistence-modules/spring-hibernate-5/src/test/java/com/baeldung/hibernate/criteria/HibernateCriteriaIntegrationTest.java b/persistence-modules/spring-hibernate-5/src/test/java/com/baeldung/hibernate/criteria/HibernateCriteriaIntegrationTest.java index 723b097305..c3805bac57 100644 --- a/persistence-modules/spring-hibernate-5/src/test/java/com/baeldung/hibernate/criteria/HibernateCriteriaIntegrationTest.java +++ b/persistence-modules/spring-hibernate-5/src/test/java/com/baeldung/hibernate/criteria/HibernateCriteriaIntegrationTest.java @@ -1,17 +1,24 @@ package com.baeldung.hibernate.criteria; import static org.junit.Assert.assertArrayEquals; +import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; import java.util.List; import org.hibernate.Session; +import org.hibernate.Transaction; import org.junit.Test; import com.baeldung.hibernate.criteria.model.Item; import com.baeldung.hibernate.criteria.util.HibernateUtil; import com.baeldung.hibernate.criteria.view.ApplicationView; +import javax.persistence.criteria.CriteriaBuilder; +import javax.persistence.criteria.CriteriaDelete; +import javax.persistence.criteria.CriteriaUpdate; +import javax.persistence.criteria.Root; + public class HibernateCriteriaIntegrationTest { final private ApplicationView av = new ApplicationView(); @@ -179,4 +186,51 @@ public class HibernateCriteriaIntegrationTest { session.close(); assertArrayEquals(expectedPriceBetweenItems, av.betweenCriteria()); } + + @Test + public void givenNewItemPrice_whenCriteriaUpdate_thenReturnAffectedResult() { + + int oldPrice = 10, newPrice = 20; + + Session session = HibernateUtil.getHibernateSession(); + + Item item = new Item(12, "Test Item 12", "This is a description"); + item.setItemPrice(oldPrice); + session.save(item); + + CriteriaBuilder cb = session.getCriteriaBuilder(); + CriteriaUpdate criteriaUpdate = cb.createCriteriaUpdate(Item.class); + Root root = criteriaUpdate.from(Item.class); + criteriaUpdate.set("itemPrice", newPrice); + criteriaUpdate.where(cb.equal(root.get("itemPrice"), oldPrice)); + + Transaction transaction = session.beginTransaction(); + session.createQuery(criteriaUpdate).executeUpdate(); + transaction.commit(); + + Item updatedItem = session.createQuery("FROM Item WHERE itemPrice = " + newPrice, Item.class).getSingleResult(); + session.refresh(updatedItem); + assertEquals(newPrice, updatedItem.getItemPrice().intValue()); + } + + @Test + public void givenTargetItemPrice_whenCriteriaDelete_thenDeleteMatched() { + + int targetPrice = 1000; + + Session session = HibernateUtil.getHibernateSession(); + CriteriaBuilder cb = session.getCriteriaBuilder(); + CriteriaDelete criteriaDelete = cb.createCriteriaDelete(Item.class); + Root root = criteriaDelete.from(Item.class); + criteriaDelete.where(cb.greaterThan(root.get("itemPrice"), targetPrice)); + + Transaction transaction = session.beginTransaction(); + session.createQuery(criteriaDelete).executeUpdate(); + transaction.commit(); + + List deletedItem = session.createQuery("FROM Item WHERE itemPrice > " + targetPrice, Item.class).list(); + assertTrue(deletedItem.isEmpty()); + + } + } diff --git a/persistence-modules/spring-hibernate4/README.md b/persistence-modules/spring-hibernate4/README.md index 57a341ed45..f2553ad229 100644 --- a/persistence-modules/spring-hibernate4/README.md +++ b/persistence-modules/spring-hibernate4/README.md @@ -3,8 +3,8 @@ ## Spring with Hibernate 4 Example Project ### Relevant Articles: -- [Hibernate 4 with Spring](http://www.baeldung.com/hibernate-4-spring) -- [The DAO with Spring 3 and Hibernate](http://www.baeldung.com/persistence-layer-with-spring-and-hibernate) +- [Guide to Hibernate 4 with Spring](http://www.baeldung.com/hibernate-4-spring) +- [The DAO with Spring and Hibernate](http://www.baeldung.com/persistence-layer-with-spring-and-hibernate) - [Hibernate Pagination](http://www.baeldung.com/hibernate-pagination) - [Sorting with Hibernate](http://www.baeldung.com/hibernate-sort) - [Stored Procedures with Hibernate](http://www.baeldung.com/stored-procedures-with-hibernate-tutorial) diff --git a/persistence-modules/spring-jpa/README.md b/persistence-modules/spring-jpa/README.md index e6f91ac016..2f2a27e4ac 100644 --- a/persistence-modules/spring-jpa/README.md +++ b/persistence-modules/spring-jpa/README.md @@ -4,8 +4,8 @@ ### Relevant Articles: -- [Spring 3 and JPA with Hibernate](http://www.baeldung.com/2011/12/13/the-persistence-layer-with-spring-3-1-and-jpa/) -- [Transactions with Spring 3 and JPA](http://www.baeldung.com/2011/12/26/transaction-configuration-with-jpa-and-spring-3-1/) +- [A Guide to JPA with Spring](https://www.baeldung.com/the-persistence-layer-with-spring-and-jpa) +- [Transactions with Spring and JPA](https://www.baeldung.com/transaction-configuration-with-jpa-and-spring) - [The DAO with JPA and Spring](http://www.baeldung.com/spring-dao-jpa) - [JPA Pagination](http://www.baeldung.com/jpa-pagination) - [Sorting with JPA](http://www.baeldung.com/jpa-sort) @@ -15,12 +15,12 @@ - [Self-Contained Testing Using an In-Memory Database](http://www.baeldung.com/spring-jpa-test-in-memory-database) - [A Guide to Spring AbstractRoutingDatasource](http://www.baeldung.com/spring-abstract-routing-data-source) - [A Guide to Hibernate with Spring 4](http://www.baeldung.com/the-persistence-layer-with-spring-and-jpa) -- [Testing REST with multiple MIME types](http://www.baeldung.com/testing-rest-api-with-multiple-media-types) - [Obtaining Auto-generated Keys in Spring JDBC](http://www.baeldung.com/spring-jdbc-autogenerated-keys) - [Transactions with Spring 4 and JPA](http://www.baeldung.com/transaction-configuration-with-jpa-and-spring) - [Use Criteria Queries in a Spring Data Application](https://www.baeldung.com/spring-data-criteria-queries) - [Many-To-Many Relationship in JPA](https://www.baeldung.com/jpa-many-to-many) + ### Eclipse Config After importing the project into Eclipse, you may see the following error: "No persistence xml file found in project" diff --git a/persistence-modules/spring-jpa/pom.xml b/persistence-modules/spring-jpa/pom.xml index 400811b582..3daba6cd55 100644 --- a/persistence-modules/spring-jpa/pom.xml +++ b/persistence-modules/spring-jpa/pom.xml @@ -3,8 +3,8 @@ 4.0.0 spring-jpa 0.1-SNAPSHOT - war spring-jpa + war com.baeldung @@ -156,13 +156,13 @@ - 4.3.8.RELEASE + 5.1.5.RELEASE 3.21.0-GA - 5.2.10.Final + 5.2.17.Final 6.0.6 - 1.11.3.RELEASE + 2.1.5.RELEASE 1.4.195 @@ -170,7 +170,7 @@ 2.5 - 5.4.1.Final + 6.0.15.Final 1.4.01 2.2.5 diff --git a/persistence-modules/spring-jpa/src/test/java/com/baeldung/SpringContextIntegrationTest.java b/persistence-modules/spring-jpa/src/test/java/com/baeldung/SpringContextIntegrationTest.java new file mode 100644 index 0000000000..822cbb8ed5 --- /dev/null +++ b/persistence-modules/spring-jpa/src/test/java/com/baeldung/SpringContextIntegrationTest.java @@ -0,0 +1,21 @@ +package com.baeldung; + +import org.baeldung.config.PersistenceJPAConfigL2Cache; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.test.annotation.DirtiesContext; +import org.springframework.test.context.ContextConfiguration; +import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; +import org.springframework.test.context.support.AnnotationConfigContextLoader; +import org.springframework.test.context.web.WebAppConfiguration; + +@RunWith(SpringJUnit4ClassRunner.class) +@ContextConfiguration(classes = { PersistenceJPAConfigL2Cache.class }, loader = AnnotationConfigContextLoader.class) +@WebAppConfiguration +@DirtiesContext +public class SpringContextIntegrationTest { + + @Test + public void whenSpringContextIsBootstrapped_thenNoExceptions() { + } +} diff --git a/persistence-modules/spring-jpa/src/test/java/org/baeldung/persistence/repository/InMemoryDBIntegrationTest.java b/persistence-modules/spring-jpa/src/test/java/org/baeldung/persistence/repository/InMemoryDBIntegrationTest.java index 9ddc48460a..4d1bcbe1b2 100644 --- a/persistence-modules/spring-jpa/src/test/java/org/baeldung/persistence/repository/InMemoryDBIntegrationTest.java +++ b/persistence-modules/spring-jpa/src/test/java/org/baeldung/persistence/repository/InMemoryDBIntegrationTest.java @@ -35,7 +35,7 @@ public class InMemoryDBIntegrationTest { Student student = new Student(ID, NAME); studentRepository.save(student); - Student student2 = studentRepository.findOne(ID); + Student student2 = studentRepository.findById(ID).get(); assertEquals("name incorrect", NAME, student2.getName()); } diff --git a/pom.xml b/pom.xml index 88970f26f5..3e739daf22 100644 --- a/pom.xml +++ b/pom.xml @@ -232,6 +232,7 @@ ${maven-war-plugin.version} + com.vackosar.gitflowincrementalbuilder @@ -366,10 +367,11 @@ axon azure + blade + bootique - cas/cas-secured-app - cas/cas-server + cas cdi checker-plugin core-groovy @@ -379,12 +381,18 @@ core-java-arrays core-java-collections + core-java-collections-list + core-java-concurrency-basic core-java-concurrency-collections core-java-io + core-java-security + core-java-lang-syntax core-java-lang core-java-lang-oop - core-java-networking + core-java-networking + core-java-perf core-java-sun + core-java core-scala couchbase custom-pmd @@ -403,7 +411,7 @@ feign flyway-cdi-extension - + geotools google-cloud google-web-toolkit @@ -413,9 +421,7 @@ gson guava guava-collections - guava-modules/guava-18 - guava-modules/guava-19 - guava-modules/guava-21 + guava-modules guice @@ -431,7 +437,7 @@ java-collections-conversions java-collections-maps - java-ee-8-security-api + java-lite java-numbers java-rmi @@ -466,15 +472,13 @@ kotlin-libraries + libraries libraries-data libraries-apache-commons libraries-security libraries-server linkrest - logging-modules/log4j - logging-modules/log4j2 - logging-modules/logback - logging-modules/log-mdc + logging-modules lombok lucene @@ -505,45 +509,7 @@ protobuffer - persistence-modules/activejdbc - persistence-modules/apache-cayenne - persistence-modules/core-java-persistence - persistence-modules/deltaspike - persistence-modules/flyway - persistence-modules/hbase - persistence-modules/hibernate5 - persistence-modules/hibernate-ogm - persistence-modules/influxdb - persistence-modules/java-cassandra - persistence-modules/java-cockroachdb - persistence-modules/java-jdbi - persistence-modules/java-jpa - persistence-modules/jnosql - persistence-modules/liquibase - persistence-modules/orientdb - persistence-modules/querydsl - persistence-modules/redis - persistence-modules/solr - persistence-modules/spring-boot-h2/spring-boot-h2-database - persistence-modules/spring-boot-persistence - persistence-modules/spring-boot-persistence-mongodb - persistence-modules/spring-data-cassandra - persistence-modules/spring-data-cassandra-reactive - persistence-modules/spring-data-couchbase-2 - persistence-modules/spring-data-dynamodb - persistence-modules/spring-data-eclipselink - - persistence-modules/spring-data-gemfire - persistence-modules/spring-data-jpa - persistence-modules/spring-data-keyvalue - persistence-modules/spring-data-mongodb - persistence-modules/spring-data-neo4j - persistence-modules/spring-data-redis - persistence-modules/spring-data-solr - persistence-modules/spring-hibernate-3 - persistence-modules/spring-hibernate-5 - persistence-modules/spring-hibernate4 - persistence-modules/spring-jpa + persistence-modules rabbitmq @@ -551,15 +517,13 @@ reactor-core rest-with-spark-java resteasy - + restx - rule-engines/easy-rules - rule-engines/openl-tablets - rule-engines/rulebook + rule-engines rsocket rxjava - rxjava-2 - + rxjava-2 + software-security/sql-injection-samples @@ -639,6 +603,7 @@ spring-boot-logging-log4j2 spring-boot-mvc spring-boot-ops + spring-boot-rest spring-boot-property-exp spring-boot-security spring-boot-testing @@ -658,6 +623,7 @@ spring-dispatcher-servlet spring-drools + spring-ehcache spring-ejb spring-exceptions @@ -705,23 +671,17 @@ spring-rest-simple spring-resttemplate spring-roo - spring-security-acl spring-security-angular/server spring-security-cache-control - spring-security-client/spring-security-jsp-authentication - spring-security-client/spring-security-jsp-authorize - spring-security-client/spring-security-jsp-config - spring-security-client/spring-security-mvc - spring-security-client/spring-security-thymeleaf-authentication - spring-security-client/spring-security-thymeleaf-authorize - spring-security-client/spring-security-thymeleaf-config + spring-security-client spring-security-core spring-security-mvc-boot spring-security-mvc-custom spring-security-mvc-digest-auth + spring-security-mvc-jsonview spring-security-mvc-ldap spring-security-mvc-login spring-security-mvc-persisted-remember-me @@ -738,6 +698,7 @@ spring-security-x509 spring-session spring-sleuth + spring-soap spring-social-login spring-spel spring-state-machine @@ -760,24 +721,7 @@ structurizr struts-2 - testing-modules/gatling - testing-modules/groovy-spock - testing-modules/junit-5 - testing-modules/junit5-migration - testing-modules/load-testing-comparison - testing-modules/mockito - testing-modules/mockito-2 - testing-modules/mocks - testing-modules/mockserver - testing-modules/parallel-tests-junit - testing-modules/rest-assured - testing-modules/rest-testing - - testing-modules/selenium-junit-testng - testing-modules/spring-testing - testing-modules/test-containers - testing-modules/testing - testing-modules/testng + testing-modules twilio Twitter4J @@ -836,8 +780,7 @@ spring-apache-camel spring-batch spring-bom - spring-boot-admin/spring-boot-admin-client - spring-boot-admin/spring-boot-admin-server + spring-boot-admin spring-boot-bootstrap spring-boot-bootstrap spring-boot-camel @@ -849,22 +792,18 @@ spring-boot-jasypt spring-boot-keycloak spring-boot-mvc - spring-boot-property-exp/property-exp-custom-config - spring-boot-property-exp/property-exp-default-config + spring-boot-property-exp spring-boot-vue spring-cloud spring-cloud/spring-cloud-archaius/basic-config spring-cloud/spring-cloud-archaius/extra-configs spring-cloud/spring-cloud-bootstrap/config - spring-cloud/spring-cloud-contract/spring-cloud-contract-consumer - spring-cloud/spring-cloud-contract/spring-cloud-contract-producer + spring-cloud/spring-cloud-contract spring-cloud/spring-cloud-gateway spring-cloud/spring-cloud-kubernetes/demo-backend spring-cloud/spring-cloud-rest/spring-cloud-rest-config-server spring-cloud/spring-cloud-ribbon-client - spring-cloud/spring-cloud-security/auth-client - spring-cloud/spring-cloud-security/auth-resource - spring-cloud/spring-cloud-security/auth-server + spring-cloud/spring-cloud-security spring-cloud/spring-cloud-stream/spring-cloud-stream-rabbit spring-cloud/spring-cloud-task/springcloudtasksink spring-cloud/spring-cloud-zookeeper @@ -877,6 +816,7 @@ spring-data-rest spring-dispatcher-servlet spring-drools + spring-ehcache spring-freemarker persistence-modules/spring-hibernate-3 persistence-modules/spring-hibernate4 @@ -911,13 +851,7 @@ spring-security-acl spring-security-angular spring-security-cache-control - spring-security-client/spring-security-jsp-authentication - spring-security-client/spring-security-jsp-authorize - spring-security-client/spring-security-jsp-config - spring-security-client/spring-security-mvc - spring-security-client/spring-security-thymeleaf-authentication - spring-security-client/spring-security-thymeleaf-authorize - spring-security-client/spring-security-thymeleaf-config + spring-security-client spring-security-core spring-security-mvc-boot spring-security-mvc-custom @@ -927,14 +861,11 @@ spring-security-mvc-session spring-security-mvc-socket spring-security-rest - spring-security-sso/spring-security-sso-auth-server - spring-security-sso/spring-security-sso-ui - spring-security-sso/spring-security-sso-ui-2 + spring-security-sso spring-security-thymeleaf/spring-security-thymeleaf-authentication spring-security-thymeleaf/spring-security-thymeleaf-authorize spring-security-thymeleaf/spring-security-thymeleaf-config - spring-security-x509/spring-security-x509-basic-auth - spring-security-x509/spring-security-x509-client-auth + spring-security-x509 spring-session/spring-session-jdbc spring-sleuth spring-social-login @@ -987,10 +918,10 @@ parent-spring-5 parent-java parent-kotlin - - core-java - core-java-concurrency + + core-java-concurrency-advanced core-kotlin + core-kotlin-2 jenkins/hello-world jhipster @@ -1076,8 +1007,7 @@ bootique - cas/cas-secured-app - cas/cas-server + cas cdi checker-plugin core-groovy @@ -1087,11 +1017,16 @@ core-java-arrays core-java-collections + core-java-collections-list + core-java-concurrency-basic core-java-concurrency-collections core-java-io + core-java-security + core-java-lang-syntax core-java-lang core-java-lang-oop core-java-networking + core-java-perf core-java-sun core-scala couchbase @@ -1111,7 +1046,7 @@ feign flyway-cdi-extension - + geotools google-cloud google-web-toolkit @@ -1121,9 +1056,7 @@ gson guava guava-collections - guava-modules/guava-18 - guava-modules/guava-19 - guava-modules/guava-21 + guava-modules guice @@ -1174,15 +1107,13 @@ kotlin-libraries + libraries libraries-data libraries-apache-commons libraries-security libraries-server linkrest - logging-modules/log4j - logging-modules/log4j2 - logging-modules/logback - logging-modules/log-mdc + logging-modules lombok lucene @@ -1213,57 +1144,17 @@ protobuffer - persistence-modules/activejdbc - persistence-modules/apache-cayenne - persistence-modules/core-java-persistence - persistence-modules/deltaspike - persistence-modules/flyway - persistence-modules/hbase - persistence-modules/hibernate5 - persistence-modules/hibernate-ogm - persistence-modules/influxdb - persistence-modules/java-cassandra - persistence-modules/java-cockroachdb - persistence-modules/java-jdbi - persistence-modules/java-jpa - persistence-modules/jnosql - persistence-modules/liquibase - persistence-modules/orientdb - persistence-modules/querydsl - persistence-modules/redis - persistence-modules/solr - persistence-modules/spring-boot-h2/spring-boot-h2-database - persistence-modules/spring-boot-persistence - persistence-modules/spring-boot-persistence-mongodb - persistence-modules/spring-data-cassandra - persistence-modules/spring-data-cassandra-reactive - persistence-modules/spring-data-couchbase-2 - persistence-modules/spring-data-dynamodb - persistence-modules/spring-data-eclipselink - - persistence-modules/spring-data-gemfire - persistence-modules/spring-data-jpa - persistence-modules/spring-data-keyvalue - persistence-modules/spring-data-mongodb - persistence-modules/spring-data-neo4j - persistence-modules/spring-data-redis - persistence-modules/spring-data-solr - persistence-modules/spring-hibernate-3 - persistence-modules/spring-hibernate-5 - persistence-modules/spring-hibernate4 - persistence-modules/spring-jpa - + persistence-modules + rabbitmq ratpack reactor-core rest-with-spark-java resteasy - + restx - rule-engines/easy-rules - rule-engines/openl-tablets - rule-engines/rulebook + rule-engines rsocket rxjava rxjava-2 @@ -1343,6 +1234,7 @@ spring-boot-logging-log4j2 spring-boot-mvc spring-boot-ops + spring-boot-rest spring-boot-property-exp spring-boot-security spring-boot-vue @@ -1360,6 +1252,7 @@ spring-dispatcher-servlet spring-drools + spring-ehcache spring-ejb spring-exceptions @@ -1412,13 +1305,7 @@ spring-security-angular/server spring-security-cache-control - spring-security-client/spring-security-jsp-authentication - spring-security-client/spring-security-jsp-authorize - spring-security-client/spring-security-jsp-config - spring-security-client/spring-security-mvc - spring-security-client/spring-security-thymeleaf-authentication - spring-security-client/spring-security-thymeleaf-authorize - spring-security-client/spring-security-thymeleaf-config + spring-security-client spring-security-core spring-security-mvc-boot @@ -1440,6 +1327,7 @@ spring-security-x509 spring-session spring-sleuth + spring-soap spring-social-login spring-spel spring-state-machine @@ -1462,24 +1350,7 @@ structurizr struts-2 - testing-modules/gatling - testing-modules/groovy-spock - testing-modules/junit-5 - testing-modules/junit5-migration - testing-modules/load-testing-comparison - testing-modules/mockito - testing-modules/mockito-2 - testing-modules/mocks - testing-modules/mockserver - testing-modules/parallel-tests-junit - testing-modules/rest-assured - testing-modules/rest-testing - - testing-modules/selenium-junit-testng - testing-modules/spring-testing - testing-modules/test-containers - testing-modules/testing - testing-modules/testng + testing-modules twilio Twitter4J @@ -1533,8 +1404,9 @@ parent-kotlin core-java - core-java-concurrency + core-java-concurrency-advanced core-kotlin + core-kotlin-2 jenkins/hello-world jhipster @@ -1571,7 +1443,7 @@ UTF-8 UTF-8 - refs/heads/master + refs/remotes/origin/master true false false @@ -1606,7 +1478,7 @@ 2.3.1 1.9.13 1.2 - 2.9.7 + 2.9.8 1.3 1.2.0 5.2.0 @@ -1617,5 +1489,6 @@ 2.3 3.8 + 1.16.12 diff --git a/ratpack/README.md b/ratpack/README.md index dded42fab6..14bc3f6c74 100644 --- a/ratpack/README.md +++ b/ratpack/README.md @@ -5,3 +5,4 @@ - [Ratpack Integration with Spring Boot](http://www.baeldung.com/ratpack-spring-boot) - [Ratpack with Hystrix](http://www.baeldung.com/ratpack-hystrix) - [Ratpack HTTP Client](https://www.baeldung.com/ratpack-http-client) +- [Ratpack with RxJava](https://www.baeldung.com/ratpack-rxjava) diff --git a/ratpack/pom.xml b/ratpack/pom.xml index 7de11e6955..a4389275b6 100644 --- a/ratpack/pom.xml +++ b/ratpack/pom.xml @@ -3,9 +3,9 @@ 4.0.0 com.baeldung ratpack - jar 1.0-SNAPSHOT ratpack + jar http://maven.apache.org diff --git a/ratpack/src/main/java/com/baeldung/model/Movie.java b/ratpack/src/main/java/com/baeldung/model/Movie.java new file mode 100644 index 0000000000..6618e9bbb7 --- /dev/null +++ b/ratpack/src/main/java/com/baeldung/model/Movie.java @@ -0,0 +1,47 @@ +package com.baeldung.model; +/** + * + *POJO class for Movie object + */ +public class Movie { + + private String name; + + private String year; + + private String director; + + private Double rating; + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public String getYear() { + return year; + } + + public void setYear(String year) { + this.year = year; + } + + public String getDirector() { + return director; + } + + public void setDirector(String director) { + this.director = director; + } + + public Double getRating() { + return rating; + } + + public void setRating(Double rating) { + this.rating = rating; + } +} diff --git a/ratpack/src/main/java/com/baeldung/rxjava/RatpackErrorHandlingApp.java b/ratpack/src/main/java/com/baeldung/rxjava/RatpackErrorHandlingApp.java new file mode 100644 index 0000000000..7d2eba56fb --- /dev/null +++ b/ratpack/src/main/java/com/baeldung/rxjava/RatpackErrorHandlingApp.java @@ -0,0 +1,27 @@ +package com.baeldung.rxjava; + +import ratpack.error.ServerErrorHandler; +import ratpack.rx.RxRatpack; +import ratpack.server.RatpackServer; +import rx.Observable; + +public class RatpackErrorHandlingApp { + + /** + * Try hitting http://localhost:5050/error to see the error handler in action + * @param args + * @throws Exception + */ + + public static void main(String[] args) throws Exception { + RxRatpack.initialize(); + RatpackServer.start(def -> def.registryOf(regSpec -> regSpec.add(ServerErrorHandler.class, (ctx, throwable) -> { + ctx.render("Error caught by handler : " + throwable.getMessage()); + })) + .handlers(chain -> chain.get("error", ctx -> { + Observable. error(new Exception("Error from observable")) + .subscribe(s -> { + }); + }))); + } +} diff --git a/ratpack/src/main/java/com/baeldung/rxjava/RatpackObserveApp.java b/ratpack/src/main/java/com/baeldung/rxjava/RatpackObserveApp.java new file mode 100644 index 0000000000..d5ef105207 --- /dev/null +++ b/ratpack/src/main/java/com/baeldung/rxjava/RatpackObserveApp.java @@ -0,0 +1,44 @@ +package com.baeldung.rxjava; + +import java.util.List; + +import com.baeldung.model.Movie; +import com.baeldung.rxjava.service.MoviePromiseService; +import com.baeldung.rxjava.service.impl.MoviePromiseServiceImpl; + +import ratpack.exec.Promise; +import ratpack.handling.Handler; +import ratpack.jackson.Jackson; +import ratpack.rx.RxRatpack; +import ratpack.server.RatpackServer; + +public class RatpackObserveApp { + /** + * Try hitting http://localhost:5050/movies or http://localhost:5050/movie to see the application in action. + * + * @param args + * @throws Exception + */ + public static void main(String[] args) throws Exception { + RxRatpack.initialize(); + + Handler moviePromiseHandler = ctx -> { + MoviePromiseService promiseSvc = ctx.get(MoviePromiseService.class); + Promise moviePromise = promiseSvc.getMovie(); + RxRatpack.observe(moviePromise) + .subscribe(movie -> ctx.render(Jackson.json(movie))); + }; + + Handler moviesPromiseHandler = ctx -> { + MoviePromiseService promiseSvc = ctx.get(MoviePromiseService.class); + Promise> moviePromises = promiseSvc.getMovies(); + RxRatpack.observeEach(moviePromises) + .toList() + .subscribe(movie -> ctx.render(Jackson.json(movie))); + }; + + RatpackServer.start(def -> def.registryOf(regSpec -> regSpec.add(MoviePromiseService.class, new MoviePromiseServiceImpl())) + .handlers(chain -> chain.get("movie", moviePromiseHandler) + .get("movies", moviesPromiseHandler))); + } +} diff --git a/ratpack/src/main/java/com/baeldung/rxjava/RatpackParallelismApp.java b/ratpack/src/main/java/com/baeldung/rxjava/RatpackParallelismApp.java new file mode 100644 index 0000000000..033c3e73b5 --- /dev/null +++ b/ratpack/src/main/java/com/baeldung/rxjava/RatpackParallelismApp.java @@ -0,0 +1,36 @@ +package com.baeldung.rxjava; + +import com.baeldung.model.Movie; +import com.baeldung.rxjava.service.MovieObservableService; +import com.baeldung.rxjava.service.impl.MovieObservableServiceImpl; + +import ratpack.jackson.Jackson; +import ratpack.rx.RxRatpack; +import ratpack.server.RatpackServer; +import rx.Observable; + +public class RatpackParallelismApp { + + /** + * Try hitting http://localhost:5050/movies to see the application in action. + * + * @param args + * @throws Exception + */ + public static void main(String[] args) throws Exception { + RxRatpack.initialize(); + RatpackServer.start(def -> def.registryOf(regSpec -> regSpec.add(MovieObservableService.class, new MovieObservableServiceImpl())) + .handlers(chain -> chain.get("movies", ctx -> { + MovieObservableService movieSvc = ctx.get(MovieObservableService.class); + Observable movieObs = movieSvc.getMovies(); + Observable upperCasedNames = movieObs.compose(RxRatpack::forkEach) + .map(movie -> movie.getName() + .toUpperCase()) + .serialize(); + RxRatpack.promise(upperCasedNames) + .then(movie -> { + ctx.render(Jackson.json(movie)); + }); + }))); + } +} diff --git a/ratpack/src/main/java/com/baeldung/rxjava/RatpackPromiseApp.java b/ratpack/src/main/java/com/baeldung/rxjava/RatpackPromiseApp.java new file mode 100644 index 0000000000..8a9c00b788 --- /dev/null +++ b/ratpack/src/main/java/com/baeldung/rxjava/RatpackPromiseApp.java @@ -0,0 +1,43 @@ +package com.baeldung.rxjava; + +import com.baeldung.model.Movie; +import com.baeldung.rxjava.service.MovieObservableService; +import com.baeldung.rxjava.service.impl.MovieObservableServiceImpl; + +import ratpack.handling.Handler; +import ratpack.jackson.Jackson; +import ratpack.rx.RxRatpack; +import ratpack.server.RatpackServer; +import rx.Observable; + +public class RatpackPromiseApp { + + /** + * Try hitting http://localhost:5050/movies or http://localhost:5050/movie to see the application in action. + * + * @param args + * @throws Exception + */ + public static void main(String[] args) throws Exception { + RxRatpack.initialize(); + + Handler movieHandler = (ctx) -> { + MovieObservableService movieSvc = ctx.get(MovieObservableService.class); + Observable movieObs = movieSvc.getMovie(); + RxRatpack.promiseSingle(movieObs) + .then(movie -> ctx.render(Jackson.json(movie))); + }; + + Handler moviesHandler = (ctx) -> { + MovieObservableService movieSvc = ctx.get(MovieObservableService.class); + Observable movieObs = movieSvc.getMovies(); + RxRatpack.promise(movieObs) + .then(movie -> ctx.render(Jackson.json(movie))); + }; + + RatpackServer.start(def -> def.registryOf(rSpec -> rSpec.add(MovieObservableService.class, new MovieObservableServiceImpl())) + .handlers(chain -> chain.get("movie", movieHandler) + .get("movies", moviesHandler))); + } + +} diff --git a/ratpack/src/main/java/com/baeldung/rxjava/service/MovieObservableService.java b/ratpack/src/main/java/com/baeldung/rxjava/service/MovieObservableService.java new file mode 100644 index 0000000000..75a90faa44 --- /dev/null +++ b/ratpack/src/main/java/com/baeldung/rxjava/service/MovieObservableService.java @@ -0,0 +1,13 @@ +package com.baeldung.rxjava.service; + +import com.baeldung.model.Movie; + +import rx.Observable; + +public interface MovieObservableService { + + Observable getMovies(); + + Observable getMovie(); + +} diff --git a/ratpack/src/main/java/com/baeldung/rxjava/service/MoviePromiseService.java b/ratpack/src/main/java/com/baeldung/rxjava/service/MoviePromiseService.java new file mode 100644 index 0000000000..fc58993d73 --- /dev/null +++ b/ratpack/src/main/java/com/baeldung/rxjava/service/MoviePromiseService.java @@ -0,0 +1,15 @@ +package com.baeldung.rxjava.service; + +import java.util.List; + +import com.baeldung.model.Movie; + +import ratpack.exec.Promise; + +public interface MoviePromiseService { + + Promise> getMovies(); + + Promise getMovie(); + +} diff --git a/ratpack/src/main/java/com/baeldung/rxjava/service/impl/MovieObservableServiceImpl.java b/ratpack/src/main/java/com/baeldung/rxjava/service/impl/MovieObservableServiceImpl.java new file mode 100644 index 0000000000..817a33d857 --- /dev/null +++ b/ratpack/src/main/java/com/baeldung/rxjava/service/impl/MovieObservableServiceImpl.java @@ -0,0 +1,35 @@ +package com.baeldung.rxjava.service.impl; + +import com.baeldung.model.Movie; +import com.baeldung.rxjava.service.MovieObservableService; + +import rx.Observable; + +public class MovieObservableServiceImpl implements MovieObservableService { + + @Override + public Observable getMovie() { + Movie movie = new Movie(); + movie.setName("The Godfather"); + movie.setYear("1972"); + movie.setDirector("Coppola"); + movie.setRating(9.2); + return Observable.just(movie); + } + + @Override + public Observable getMovies() { + Movie movie = new Movie(); + movie.setName("The Godfather"); + movie.setYear("1972"); + movie.setDirector("Coppola"); + movie.setRating(9.2); + Movie movie2 = new Movie(); + movie2.setName("The Godfather Part 2"); + movie2.setYear("1974"); + movie2.setDirector("Coppola"); + movie2.setRating(9.0); + return Observable.just(movie, movie2); + + } +} diff --git a/ratpack/src/main/java/com/baeldung/rxjava/service/impl/MoviePromiseServiceImpl.java b/ratpack/src/main/java/com/baeldung/rxjava/service/impl/MoviePromiseServiceImpl.java new file mode 100644 index 0000000000..a66b1e79d6 --- /dev/null +++ b/ratpack/src/main/java/com/baeldung/rxjava/service/impl/MoviePromiseServiceImpl.java @@ -0,0 +1,41 @@ +package com.baeldung.rxjava.service.impl; + +import java.util.ArrayList; +import java.util.List; + +import com.baeldung.model.Movie; +import com.baeldung.rxjava.service.MoviePromiseService; + +import ratpack.exec.Promise; + +public class MoviePromiseServiceImpl implements MoviePromiseService { + + @Override + public Promise getMovie() { + Movie movie = new Movie(); + movie.setName("The Godfather"); + movie.setYear("1972"); + movie.setDirector("Coppola"); + movie.setRating(9.2); + return Promise.value(movie); + } + + @Override + public Promise> getMovies() { + Movie movie = new Movie(); + movie.setName("The Godfather"); + movie.setYear("1972"); + movie.setDirector("Coppola"); + movie.setRating(9.2); + Movie movie2 = new Movie(); + movie2.setName("The Godfather Part 2"); + movie2.setYear("1974"); + movie2.setDirector("Coppola"); + movie2.setRating(9.0); + List movies = new ArrayList<>(); + movies.add(movie); + movies.add(movie2); + return Promise.value(movies); + } + +} diff --git a/rest-with-spark-java/pom.xml b/rest-with-spark-java/pom.xml index f7c91f8827..fc78ac6b86 100644 --- a/rest-with-spark-java/pom.xml +++ b/rest-with-spark-java/pom.xml @@ -23,19 +23,17 @@ com.fasterxml.jackson.core jackson-core - ${jackson-core.version} + ${jackson.version} com.fasterxml.jackson.core jackson-databind - ${jackson-databind.version} + ${jackson.version} 2.5.4 - 2.9.7 - 2.9.7 diff --git a/resteasy/bin/pom.xml b/resteasy/bin/pom.xml index f8cdc20360..15d8b5bd18 100644 --- a/resteasy/bin/pom.xml +++ b/resteasy/bin/pom.xml @@ -2,18 +2,11 @@ 4.0.0 - com.baeldung resteasy-tutorial 1.0 war - - 3.0.19.Final - 2.5 - 1.6.1 - - com.baeldung resteasy-tutorial @@ -80,4 +73,10 @@ ${commons-io.version} + + + 3.0.19.Final + 2.5 + 1.6.1 + \ No newline at end of file diff --git a/resteasy/pom.xml b/resteasy/pom.xml index 31a6ed485a..ca4124abca 100644 --- a/resteasy/pom.xml +++ b/resteasy/pom.xml @@ -5,8 +5,8 @@ com.baeldung resteasy 1.0 - war resteasy + war com.baeldung diff --git a/restx/pom.xml b/restx/pom.xml index c6233b968c..10c843a208 100644 --- a/restx/pom.xml +++ b/restx/pom.xml @@ -3,17 +3,10 @@ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 - restx 0.1-SNAPSHOT + restx war - restx-demo - - - 1.8 - 1.8 - 0.35-rc4 - com.baeldung @@ -106,7 +99,7 @@ ch.qos.logback logback-classic - 1.0.13 + ${logback-classic.version} io.restx @@ -117,10 +110,11 @@ junit junit - 4.11 + ${junit.version} test + @@ -152,4 +146,11 @@ + + + 1.8 + 1.8 + 0.35-rc4 + 1.2.3 + diff --git a/restx/src/main/java/restx/demo/rest/HelloResource.java b/restx/src/main/java/restx/demo/rest/HelloResource.java index 5cb2c2a5e6..115212ddf9 100644 --- a/restx/src/main/java/restx/demo/rest/HelloResource.java +++ b/restx/src/main/java/restx/demo/rest/HelloResource.java @@ -3,6 +3,8 @@ package restx.demo.rest; import restx.demo.domain.Message; import restx.demo.Roles; import org.joda.time.DateTime; +import org.joda.time.DateTimeZone; + import restx.annotations.GET; import restx.annotations.POST; import restx.annotations.RestxResource; @@ -29,7 +31,7 @@ public class HelloResource { return new Message().setMessage(String.format( "hello %s, it's %s", RestxSession.current().getPrincipal().get().getName(), - DateTime.now().toString("HH:mm:ss"))); + DateTime.now(DateTimeZone.UTC).toString("HH:mm:ss"))); } /** @@ -44,7 +46,7 @@ public class HelloResource { public Message helloPublic(String who) { return new Message().setMessage(String.format( "hello %s, it's %s", - who, DateTime.now().toString("HH:mm:ss"))); + who, DateTime.now(DateTimeZone.UTC).toString("HH:mm:ss"))); } public static class MyPOJO { diff --git a/restx/src/test/resources/specs/hello/should_admin_say_hello.spec.yaml b/restx/src/test/resources/specs/hello/should_admin_say_hello.spec.yaml index 1b7b8f0f90..7a8bd9119f 100644 --- a/restx/src/test/resources/specs/hello/should_admin_say_hello.spec.yaml +++ b/restx/src/test/resources/specs/hello/should_admin_say_hello.spec.yaml @@ -7,4 +7,4 @@ wts: GET message $RestxSession: {"_expires":"2013-09-27T01:18:00.822+02:00","principal":"admin","sessionKey":"e2b4430f-9541-4602-9a3a-413d17c56a6b"} then: | - {"message":"hello admin, it's 01:18:00"} + {"message":"hello admin, it's 23:18:00"} diff --git a/restx/src/test/resources/specs/hello/should_anyone_say_hello.spec.yaml b/restx/src/test/resources/specs/hello/should_anyone_say_hello.spec.yaml index 29b6faca34..d23e5ae6bf 100644 --- a/restx/src/test/resources/specs/hello/should_anyone_say_hello.spec.yaml +++ b/restx/src/test/resources/specs/hello/should_anyone_say_hello.spec.yaml @@ -5,4 +5,4 @@ wts: - when: | GET hello?who=xavier then: | - {"message":"hello xavier, it's 01:18:00"} + {"message":"hello xavier, it's 23:18:00"} diff --git a/restx/src/test/resources/specs/hello/should_user1_say_hello.spec.yaml b/restx/src/test/resources/specs/hello/should_user1_say_hello.spec.yaml index 791a3a2776..2db8a01003 100644 --- a/restx/src/test/resources/specs/hello/should_user1_say_hello.spec.yaml +++ b/restx/src/test/resources/specs/hello/should_user1_say_hello.spec.yaml @@ -7,4 +7,4 @@ wts: GET message $RestxSession: {"_expires":"2013-09-27T01:18:00.822+02:00","principal":"user1","sessionKey":"e2b4430f-9541-4602-9a3a-413d17c56a6b"} then: | - {"message":"hello user1, it's 01:18:00"} + {"message":"hello user1, it's 23:18:00"} diff --git a/rsocket/pom.xml b/rsocket/pom.xml index 8b04a31583..d2182719c2 100644 --- a/rsocket/pom.xml +++ b/rsocket/pom.xml @@ -4,51 +4,61 @@ rsocket 0.0.1-SNAPSHOT rsocket + jar - + com.baeldung parent-modules 1.0.0-SNAPSHOT - jar - + io.rsocket rsocket-core - 0.11.13 + ${rsocket.version} io.rsocket rsocket-transport-netty - 0.11.13 + ${rsocket.version} junit junit - 4.12 + ${junit.version} test org.hamcrest hamcrest-core - 1.3 + ${hamcrest.version} test ch.qos.logback logback-classic - 1.2.3 + ${logback.version} ch.qos.logback logback-core - 1.2.3 + ${logback.version} org.slf4j slf4j-api - 1.7.25 + ${slf4j-api.version} - \ No newline at end of file + + + 1.8 + 1.8 + 3.0.1 + 0.11.13 + 1.3 + 1.2.3 + 1.7.25 + + diff --git a/rule-engines/pom.xml b/rule-engines/pom.xml new file mode 100644 index 0000000000..2ce82ed22b --- /dev/null +++ b/rule-engines/pom.xml @@ -0,0 +1,22 @@ + + + 4.0.0 + rule-engines + rule-engines + pom + + + com.baeldung + parent-modules + 1.0.0-SNAPSHOT + .. + + + + easy-rules + openl-tablets + rulebook + + + diff --git a/rxjava-2/pom.xml b/rxjava-2/pom.xml index 3038c20037..47d16ec8dd 100644 --- a/rxjava-2/pom.xml +++ b/rxjava-2/pom.xml @@ -3,8 +3,8 @@ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 - rxjava-2 + rxjava-2 1.0-SNAPSHOT diff --git a/saas/pom.xml b/saas/pom.xml index 2abc932497..35de34ea72 100644 --- a/saas/pom.xml +++ b/saas/pom.xml @@ -4,8 +4,8 @@ com.baeldung saas 0.1.0-SNAPSHOT - jar saas + jar com.baeldung diff --git a/software-security/sql-injection-samples/.gitignore b/software-security/sql-injection-samples/.gitignore new file mode 100644 index 0000000000..82eca336e3 --- /dev/null +++ b/software-security/sql-injection-samples/.gitignore @@ -0,0 +1,25 @@ +/target/ +!.mvn/wrapper/maven-wrapper.jar + +### STS ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache + +### IntelliJ IDEA ### +.idea +*.iws +*.iml +*.ipr + +### NetBeans ### +/nbproject/private/ +/build/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ \ No newline at end of file diff --git a/software-security/sql-injection-samples/README.md b/software-security/sql-injection-samples/README.md new file mode 100644 index 0000000000..7a077074ac --- /dev/null +++ b/software-security/sql-injection-samples/README.md @@ -0,0 +1,3 @@ +## Relevant articles: + +- [SQL Injection and How to Prevent It?](https://www.baeldung.com/sql-injection) diff --git a/software-security/sql-injection-samples/pom.xml b/software-security/sql-injection-samples/pom.xml new file mode 100644 index 0000000000..5b33c674d4 --- /dev/null +++ b/software-security/sql-injection-samples/pom.xml @@ -0,0 +1,73 @@ + + + 4.0.0 + com.baeldung + sql-injection-samples + 0.0.1-SNAPSHOT + sql-injection-samples + Sample SQL Injection tests + + + parent-boot-2 + com.baeldung + 0.0.1-SNAPSHOT + ../../parent-boot-2 + + + + + + + org.springframework.boot + spring-boot-starter-jdbc + + + + org.apache.derby + derby + runtime + + + org.springframework.boot + spring-boot-configuration-processor + true + + + org.springframework.boot + spring-boot-starter-test + test + + + org.projectlombok + lombok + provided + + + + org.springframework.boot + spring-boot-starter-data-jpa + + + + org.hibernate + hibernate-jpamodelgen + + + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + + + 1.8 + + + \ No newline at end of file diff --git a/software-security/sql-injection-samples/src/main/java/com/baeldung/examples/security/sql/Account.java b/software-security/sql-injection-samples/src/main/java/com/baeldung/examples/security/sql/Account.java new file mode 100644 index 0000000000..3f077d5592 --- /dev/null +++ b/software-security/sql-injection-samples/src/main/java/com/baeldung/examples/security/sql/Account.java @@ -0,0 +1,34 @@ +/** + * + */ +package com.baeldung.examples.security.sql; + +import java.math.BigDecimal; + +import javax.persistence.Entity; +import javax.persistence.GeneratedValue; +import javax.persistence.GenerationType; +import javax.persistence.Id; +import javax.persistence.Table; + +import lombok.Data; + +/** + * @author Philippe + * + */ +@Entity +@Table(name="Accounts") +@Data +public class Account { + + @Id + @GeneratedValue(strategy=GenerationType.IDENTITY) + private Long id; + + private String customerId; + private String accNumber; + private String branchId; + private BigDecimal balance; + +} diff --git a/software-security/sql-injection-samples/src/main/java/com/baeldung/examples/security/sql/AccountDAO.java b/software-security/sql-injection-samples/src/main/java/com/baeldung/examples/security/sql/AccountDAO.java new file mode 100644 index 0000000000..c7285e5fd3 --- /dev/null +++ b/software-security/sql-injection-samples/src/main/java/com/baeldung/examples/security/sql/AccountDAO.java @@ -0,0 +1,298 @@ +/** + * + */ +package com.baeldung.examples.security.sql; + +import java.sql.Connection; +import java.sql.PreparedStatement; +import java.sql.ResultSet; +import java.sql.SQLException; +import java.util.AbstractMap; +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.stream.Collectors; +import java.util.stream.Stream; + +import javax.persistence.EntityManager; +import javax.persistence.Query; +import javax.persistence.TypedQuery; +import javax.persistence.criteria.CriteriaBuilder; +import javax.persistence.criteria.CriteriaQuery; +import javax.persistence.criteria.Order; +import javax.persistence.criteria.Root; +import javax.persistence.metamodel.SingularAttribute; +import javax.sql.DataSource; + +import org.springframework.stereotype.Component; + +/** + * @author Philippe + * + */ +@Component +public class AccountDAO { + + private final DataSource dataSource; + private final EntityManager em; + + public AccountDAO(DataSource dataSource, EntityManager em) { + this.dataSource = dataSource; + this.em = em; + } + + /** + * Return all accounts owned by a given customer,given his/her external id + * + * @param customerId + * @return + */ + public List unsafeFindAccountsByCustomerId(String customerId) { + + String sql = "select " + "customer_id,acc_number,branch_id,balance from Accounts where customer_id = '" + customerId + "'"; + + try (Connection c = dataSource.getConnection(); + ResultSet rs = c.createStatement() + .executeQuery(sql)) { + List accounts = new ArrayList<>(); + while (rs.next()) { + AccountDTO acc = AccountDTO.builder() + .customerId(rs.getString("customer_id")) + .branchId(rs.getString("branch_id")) + .accNumber(rs.getString("acc_number")) + .balance(rs.getBigDecimal("balance")) + .build(); + + accounts.add(acc); + } + + return accounts; + } catch (SQLException ex) { + throw new RuntimeException(ex); + } + } + + /** + * Return all accounts owned by a given customer,given his/her external id - JPA version + * + * @param customerId + * @return + */ + public List unsafeJpaFindAccountsByCustomerId(String customerId) { + String jql = "from Account where customerId = '" + customerId + "'"; + TypedQuery q = em.createQuery(jql, Account.class); + return q.getResultList() + .stream() + .map(a -> AccountDTO.builder() + .accNumber(a.getAccNumber()) + .balance(a.getBalance()) + .branchId(a.getAccNumber()) + .customerId(a.getCustomerId()) + .build()) + .collect(Collectors.toList()); + } + + /** + * Return all accounts owned by a given customer,given his/her external id + * + * @param customerId + * @return + */ + public List safeFindAccountsByCustomerId(String customerId) { + + String sql = "select customer_id, branch_id,acc_number,balance from Accounts where customer_id = ?"; + + try (Connection c = dataSource.getConnection(); PreparedStatement p = c.prepareStatement(sql)) { + p.setString(1, customerId); + ResultSet rs = p.executeQuery(); + List accounts = new ArrayList<>(); + while (rs.next()) { + AccountDTO acc = AccountDTO.builder() + .customerId(rs.getString("customerId")) + .branchId(rs.getString("branch_id")) + .accNumber(rs.getString("acc_number")) + .balance(rs.getBigDecimal("balance")) + .build(); + + accounts.add(acc); + } + return accounts; + } catch (SQLException ex) { + throw new RuntimeException(ex); + } + } + + /** + * Return all accounts owned by a given customer,given his/her external id - JPA version + * + * @param customerId + * @return + */ + public List safeJpaFindAccountsByCustomerId(String customerId) { + + String jql = "from Account where customerId = :customerId"; + TypedQuery q = em.createQuery(jql, Account.class) + .setParameter("customerId", customerId); + + return q.getResultList() + .stream() + .map(a -> AccountDTO.builder() + .accNumber(a.getAccNumber()) + .balance(a.getBalance()) + .branchId(a.getAccNumber()) + .customerId(a.getCustomerId()) + .build()) + .collect(Collectors.toList()); + } + + /** + * Return all accounts owned by a given customer,given his/her external id - JPA version + * + * @param customerId + * @return + */ + public List safeJpaCriteriaFindAccountsByCustomerId(String customerId) { + + CriteriaBuilder cb = em.getCriteriaBuilder(); + CriteriaQuery cq = cb.createQuery(Account.class); + Root root = cq.from(Account.class); + cq.select(root) + .where(cb.equal(root.get(Account_.customerId), customerId)); + + TypedQuery q = em.createQuery(cq); + + return q.getResultList() + .stream() + .map(a -> AccountDTO.builder() + .accNumber(a.getAccNumber()) + .balance(a.getBalance()) + .branchId(a.getAccNumber()) + .customerId(a.getCustomerId()) + .build()) + .collect(Collectors.toList()); + } + + private static final Set VALID_COLUMNS_FOR_ORDER_BY = Stream.of("acc_number", "branch_id", "balance") + .collect(Collectors.toCollection(HashSet::new)); + + + /** + * Return all accounts owned by a given customer,given his/her external id + * + * @param customerId + * @return + */ + public List safeFindAccountsByCustomerId(String customerId, String orderBy) { + + String sql = "select " + "customer_id,acc_number,branch_id,balance from Accounts where customer_id = ? "; + + if (VALID_COLUMNS_FOR_ORDER_BY.contains(orderBy)) { + sql = sql + " order by " + orderBy; + } else { + throw new IllegalArgumentException("Nice try!"); + } + + try (Connection c = dataSource.getConnection(); PreparedStatement p = c.prepareStatement(sql)) { + + p.setString(1, customerId); + ResultSet rs = p.executeQuery(); + List accounts = new ArrayList<>(); + while (rs.next()) { + AccountDTO acc = AccountDTO.builder() + .customerId(rs.getString("customerId")) + .branchId(rs.getString("branch_id")) + .accNumber(rs.getString("acc_number")) + .balance(rs.getBigDecimal("balance")) + .build(); + + accounts.add(acc); + } + + return accounts; + } catch (SQLException ex) { + throw new RuntimeException(ex); + } + } + + + private static final Map> VALID_JPA_COLUMNS_FOR_ORDER_BY = Stream.of( + new AbstractMap.SimpleEntry<>(Account_.ACC_NUMBER, Account_.accNumber), + new AbstractMap.SimpleEntry<>(Account_.BRANCH_ID, Account_.branchId), + new AbstractMap.SimpleEntry<>(Account_.BALANCE, Account_.balance) + ) + .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue)); + + /** + * Return all accounts owned by a given customer,given his/her external id + * + * @param customerId + * @return + */ + public List safeJpaFindAccountsByCustomerId(String customerId, String orderBy) { + +SingularAttribute orderByAttribute = VALID_JPA_COLUMNS_FOR_ORDER_BY.get(orderBy); +if ( orderByAttribute == null) { + throw new IllegalArgumentException("Nice try!"); +} + +CriteriaBuilder cb = em.getCriteriaBuilder(); +CriteriaQuery cq = cb.createQuery(Account.class); +Root root = cq.from(Account.class); +cq.select(root) + .where(cb.equal(root.get(Account_.customerId), customerId)) + .orderBy(cb.asc(root.get(orderByAttribute))); + +TypedQuery q = em.createQuery(cq); + + return q.getResultList() + .stream() + .map(a -> AccountDTO.builder() + .accNumber(a.getAccNumber()) + .balance(a.getBalance()) + .branchId(a.getAccNumber()) + .customerId(a.getCustomerId()) + .build()) + .collect(Collectors.toList()); + + } + + /** + * Invalid placeholder usage example + * + * @param tableName + * @return + */ + public Long wrongCountRecordsByTableName(String tableName) { + + try (Connection c = dataSource.getConnection(); PreparedStatement p = c.prepareStatement("select count(*) from ?")) { + + p.setString(1, tableName); + ResultSet rs = p.executeQuery(); + rs.next(); + return rs.getLong(1); + + } catch (SQLException ex) { + throw new RuntimeException(ex); + } + } + + /** + * Invalid placeholder usage example - JPA + * + * @param tableName + * @return + */ + public Long wrongJpaCountRecordsByTableName(String tableName) { + + String jql = "select count(*) from :tableName"; + TypedQuery q = em.createQuery(jql, Long.class) + .setParameter("tableName", tableName); + + return q.getSingleResult(); + + } + +} diff --git a/software-security/sql-injection-samples/src/main/java/com/baeldung/examples/security/sql/AccountDTO.java b/software-security/sql-injection-samples/src/main/java/com/baeldung/examples/security/sql/AccountDTO.java new file mode 100644 index 0000000000..2e6fa04af4 --- /dev/null +++ b/software-security/sql-injection-samples/src/main/java/com/baeldung/examples/security/sql/AccountDTO.java @@ -0,0 +1,16 @@ +package com.baeldung.examples.security.sql; + +import java.math.BigDecimal; + +import lombok.Builder; +import lombok.Data; + +@Data +@Builder +public class AccountDTO { + + private String customerId; + private String accNumber; + private String branchId; + private BigDecimal balance; +} diff --git a/software-security/sql-injection-samples/src/main/java/com/baeldung/examples/security/sql/SqlInjectionSamplesApplication.java b/software-security/sql-injection-samples/src/main/java/com/baeldung/examples/security/sql/SqlInjectionSamplesApplication.java new file mode 100644 index 0000000000..c1083ae3de --- /dev/null +++ b/software-security/sql-injection-samples/src/main/java/com/baeldung/examples/security/sql/SqlInjectionSamplesApplication.java @@ -0,0 +1,14 @@ +package com.baeldung.examples.security.sql; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class SqlInjectionSamplesApplication { + + public static void main(String[] args) { + SpringApplication.run(SqlInjectionSamplesApplication.class, args); + } + +} + diff --git a/software-security/sql-injection-samples/src/main/resources/application.properties b/software-security/sql-injection-samples/src/main/resources/application.properties new file mode 100644 index 0000000000..8b13789179 --- /dev/null +++ b/software-security/sql-injection-samples/src/main/resources/application.properties @@ -0,0 +1 @@ + diff --git a/software-security/sql-injection-samples/src/test/java/com/baeldung/examples/security/sql/SqlInjectionSamplesApplicationUnitTest.java b/software-security/sql-injection-samples/src/test/java/com/baeldung/examples/security/sql/SqlInjectionSamplesApplicationUnitTest.java new file mode 100644 index 0000000000..f61b738abc --- /dev/null +++ b/software-security/sql-injection-samples/src/test/java/com/baeldung/examples/security/sql/SqlInjectionSamplesApplicationUnitTest.java @@ -0,0 +1,92 @@ +package com.baeldung.examples.security.sql; + +import static org.assertj.core.api.Assertions.assertThat; + +import java.util.List; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.test.context.ActiveProfiles; +import org.springframework.test.context.junit4.SpringRunner; + +import com.baeldung.examples.security.sql.AccountDAO; +import com.baeldung.examples.security.sql.AccountDTO; + +@RunWith(SpringRunner.class) +@SpringBootTest +@ActiveProfiles({ "test" }) +public class SqlInjectionSamplesApplicationUnitTest { + + @Autowired + private AccountDAO target; + + @Test + public void givenAVulnerableMethod_whenValidCustomerId_thenReturnSingleAccount() { + + List accounts = target.unsafeFindAccountsByCustomerId("C1"); + assertThat(accounts).isNotNull(); + assertThat(accounts).isNotEmpty(); + assertThat(accounts).hasSize(1); + } + + @Test + public void givenAVulnerableMethod_whenHackedCustomerId_thenReturnAllAccounts() { + + List accounts = target.unsafeFindAccountsByCustomerId("C1' or '1'='1"); + assertThat(accounts).isNotNull(); + assertThat(accounts).isNotEmpty(); + assertThat(accounts).hasSize(3); + } + + @Test + public void givenAVulnerableJpaMethod_whenHackedCustomerId_thenReturnAllAccounts() { + + List accounts = target.unsafeJpaFindAccountsByCustomerId("C1' or '1'='1"); + assertThat(accounts).isNotNull(); + assertThat(accounts).isNotEmpty(); + assertThat(accounts).hasSize(3); + } + + @Test + public void givenASafeMethod_whenHackedCustomerId_thenReturnNoAccounts() { + + List accounts = target.safeFindAccountsByCustomerId("C1' or '1'='1"); + assertThat(accounts).isNotNull(); + assertThat(accounts).isEmpty(); + } + + @Test + public void givenASafeJpaMethod_whenHackedCustomerId_thenReturnNoAccounts() { + + List accounts = target.safeJpaFindAccountsByCustomerId("C1' or '1'='1"); + assertThat(accounts).isNotNull(); + assertThat(accounts).isEmpty(); + } + + + @Test + public void givenASafeJpaCriteriaMethod_whenHackedCustomerId_thenReturnNoAccounts() { + + List accounts = target.safeJpaCriteriaFindAccountsByCustomerId("C1' or '1'='1"); + assertThat(accounts).isNotNull(); + assertThat(accounts).isEmpty(); + } + + @Test(expected = IllegalArgumentException.class) + public void givenASafeMethod_whenInvalidOrderBy_thenThroweException() { + target.safeFindAccountsByCustomerId("C1", "INVALID"); + } + + @Test(expected = Exception.class) + public void givenWrongPlaceholderUsageMethod_whenNormalCall_thenThrowsException() { + target.wrongCountRecordsByTableName("Accounts"); + } + + @Test(expected = Exception.class) + public void givenWrongJpaPlaceholderUsageMethod_whenNormalCall_thenThrowsException() { + target.wrongJpaCountRecordsByTableName("Accounts"); + } + +} diff --git a/software-security/sql-injection-samples/src/test/resources/application-test.yml b/software-security/sql-injection-samples/src/test/resources/application-test.yml new file mode 100644 index 0000000000..3af3f58bff --- /dev/null +++ b/software-security/sql-injection-samples/src/test/resources/application-test.yml @@ -0,0 +1,18 @@ +# +# Test profile configuration +# +spring: + liquibase: + change-log: db/changelog/db.changelog-master.xml + + jpa: + hibernate: + ddl-auto: none + + datasource: + initialization-mode: embedded + +logging: + level: + sql: DEBUG + \ No newline at end of file diff --git a/software-security/sql-injection-samples/src/test/resources/data.sql b/software-security/sql-injection-samples/src/test/resources/data.sql new file mode 100644 index 0000000000..586618a07f --- /dev/null +++ b/software-security/sql-injection-samples/src/test/resources/data.sql @@ -0,0 +1,4 @@ +insert into Accounts(customer_id,acc_number,branch_id,balance) values ('C1','0001',1,1000.00); +insert into Accounts(customer_id,acc_number,branch_id,balance) values ('C2','0002',1,500.00); +insert into Accounts(customer_id,acc_number,branch_id,balance) values ('C3','0003',1,501.00); + diff --git a/software-security/sql-injection-samples/src/test/resources/schema.sql b/software-security/sql-injection-samples/src/test/resources/schema.sql new file mode 100644 index 0000000000..cfc4c44f98 --- /dev/null +++ b/software-security/sql-injection-samples/src/test/resources/schema.sql @@ -0,0 +1,7 @@ +create table Accounts ( + id BIGINT NOT NULL GENERATED ALWAYS AS IDENTITY (START WITH 1, INCREMENT BY 1), + customer_id varchar(16) not null, + acc_number varchar(16) not null, + branch_id decimal(8,0), + balance decimal(16,4) +); diff --git a/spark-java/README.md b/spark-java/README.md index 711607bd4e..5abe78263c 100644 --- a/spark-java/README.md +++ b/spark-java/README.md @@ -3,4 +3,4 @@ ## Spark Java Framework Tutorial Sample Project ### Relevant Articles -- [Intro to Spark Java Framework](http://www.baeldung.com/spark-framework-rest-api) +- [Building an API With the Spark Java Framework](http://www.baeldung.com/spark-framework-rest-api) diff --git a/spring-4/README.md b/spring-4/README.md index 402557eb41..57cb8c3eeb 100644 --- a/spring-4/README.md +++ b/spring-4/README.md @@ -1,3 +1,4 @@ ### Relevant Articles: - [A Guide to Flips for Spring](http://www.baeldung.com/flips-spring) - [Configuring a Hikari Connection Pool with Spring Boot](https://www.baeldung.com/spring-boot-hikari) +- [Spring JSON-P with Jackson](http://www.baeldung.com/spring-jackson-jsonp) diff --git a/spring-4/pom.xml b/spring-4/pom.xml index 78939bba95..eb64c1839f 100644 --- a/spring-4/pom.xml +++ b/spring-4/pom.xml @@ -3,8 +3,8 @@ 4.0.0 spring-4 spring-4 - jar spring-4 + jar parent-boot-1 @@ -52,6 +52,21 @@ provided + + javax.servlet + jstl + + + + org.springframework.boot + spring-boot-starter-tomcat + provided + + + org.apache.tomcat.embed + tomcat-embed-jasper + provided + @@ -71,6 +86,7 @@ + com.baeldung.flips.ApplicationConfig 1.0.1 1.16.18 1.4.197 diff --git a/spring-4/src/main/java/com/baeldung/flips/ApplicationConfig.java b/spring-4/src/main/java/com/baeldung/flips/ApplicationConfig.java index 7001aeb991..1bd6ffa336 100644 --- a/spring-4/src/main/java/com/baeldung/flips/ApplicationConfig.java +++ b/spring-4/src/main/java/com/baeldung/flips/ApplicationConfig.java @@ -3,9 +3,15 @@ package com.baeldung.flips; import org.flips.describe.config.FlipWebContextConfiguration; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration; +import org.springframework.boot.autoconfigure.jdbc.DataSourceTransactionManagerAutoConfiguration; +import org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration; import org.springframework.context.annotation.Import; -@SpringBootApplication +@SpringBootApplication(exclude = { + DataSourceAutoConfiguration.class, + DataSourceTransactionManagerAutoConfiguration.class, + HibernateJpaAutoConfiguration.class }) @Import(FlipWebContextConfiguration.class) public class ApplicationConfig { diff --git a/spring-4/src/main/java/com/baeldung/jsonp/JsonPApplication.java b/spring-4/src/main/java/com/baeldung/jsonp/JsonPApplication.java new file mode 100644 index 0000000000..a8f3c0e102 --- /dev/null +++ b/spring-4/src/main/java/com/baeldung/jsonp/JsonPApplication.java @@ -0,0 +1,27 @@ +package com.baeldung.jsonp; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration; +import org.springframework.boot.autoconfigure.jdbc.DataSourceTransactionManagerAutoConfiguration; +import org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration; +import org.springframework.boot.builder.SpringApplicationBuilder; +import org.springframework.boot.web.support.SpringBootServletInitializer; +import org.springframework.context.annotation.PropertySource; + +@SpringBootApplication(exclude = { + DataSourceAutoConfiguration.class, + DataSourceTransactionManagerAutoConfiguration.class, + HibernateJpaAutoConfiguration.class }) +@PropertySource("classpath:jsonp-application.properties") +public class JsonPApplication extends SpringBootServletInitializer { + + @Override + protected SpringApplicationBuilder configure(SpringApplicationBuilder application) { + return application.sources(JsonPApplication.class); + } + + public static void main(String[] args) throws Exception { + SpringApplication.run(JsonPApplication.class, args); + } +} diff --git a/spring-4/src/main/java/com/baeldung/jsonp/model/Company.java b/spring-4/src/main/java/com/baeldung/jsonp/model/Company.java new file mode 100644 index 0000000000..b11a216e52 --- /dev/null +++ b/spring-4/src/main/java/com/baeldung/jsonp/model/Company.java @@ -0,0 +1,38 @@ +package com.baeldung.jsonp.model; + +public class Company { + + private long id; + private String name; + + public Company() { + super(); + } + + public Company(final long id, final String name) { + this.id = id; + this.name = name; + } + + public String getName() { + return name; + } + + public void setName(final String name) { + this.name = name; + } + + public long getId() { + return id; + } + + public void setId(final long id) { + this.id = id; + } + + @Override + public String toString() { + return "Company [id=" + id + ", name=" + name + "]"; + } + +} diff --git a/spring-4/src/main/java/com/baeldung/jsonp/web/controller/CompanyController.java b/spring-4/src/main/java/com/baeldung/jsonp/web/controller/CompanyController.java new file mode 100644 index 0000000000..8710359365 --- /dev/null +++ b/spring-4/src/main/java/com/baeldung/jsonp/web/controller/CompanyController.java @@ -0,0 +1,27 @@ +package com.baeldung.jsonp.web.controller; + +import org.springframework.http.HttpStatus; +import org.springframework.http.MediaType; +import org.springframework.http.ResponseEntity; +import org.springframework.stereotype.Controller; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.ResponseBody; + +import com.baeldung.jsonp.model.Company; + +@Controller +public class CompanyController { + + @RequestMapping(value = "/companyResponseBody", produces = MediaType.APPLICATION_JSON_VALUE) + @ResponseBody + public Company getCompanyResponseBody() { + final Company company = new Company(2, "ABC"); + return company; + } + + @RequestMapping(value = "/companyResponseEntity", produces = MediaType.APPLICATION_JSON_VALUE) + public ResponseEntity getCompanyResponseEntity() { + final Company company = new Company(3, "123"); + return new ResponseEntity(company, HttpStatus.OK); + } +} diff --git a/spring-4/src/main/java/com/baeldung/jsonp/web/controller/IndexController.java b/spring-4/src/main/java/com/baeldung/jsonp/web/controller/IndexController.java new file mode 100644 index 0000000000..8469e19458 --- /dev/null +++ b/spring-4/src/main/java/com/baeldung/jsonp/web/controller/IndexController.java @@ -0,0 +1,13 @@ +package com.baeldung.jsonp.web.controller; + +import org.springframework.stereotype.Controller; +import org.springframework.web.bind.annotation.RequestMapping; + +@Controller +public class IndexController { + + @RequestMapping() + public String retrieveIndex() { + return "index"; + } +} diff --git a/spring-mvc-java/src/main/java/com/baeldung/web/controller/advice/JsonpControllerAdvice.java b/spring-4/src/main/java/com/baeldung/jsonp/web/controller/advice/JsonpControllerAdvice.java similarity index 53% rename from spring-mvc-java/src/main/java/com/baeldung/web/controller/advice/JsonpControllerAdvice.java rename to spring-4/src/main/java/com/baeldung/jsonp/web/controller/advice/JsonpControllerAdvice.java index 7b2c6870df..be7c65cb1e 100644 --- a/spring-mvc-java/src/main/java/com/baeldung/web/controller/advice/JsonpControllerAdvice.java +++ b/spring-4/src/main/java/com/baeldung/jsonp/web/controller/advice/JsonpControllerAdvice.java @@ -1,8 +1,11 @@ -package com.baeldung.web.controller.advice; +package com.baeldung.jsonp.web.controller.advice; import org.springframework.web.bind.annotation.ControllerAdvice; import org.springframework.web.servlet.mvc.method.annotation.AbstractJsonpResponseBodyAdvice; +// AbstractJsonpResponseBodyAdvice was deprecated in favor of configuring CORS properly +// We still want to cover the usage of JSON-P in our articles, therefore we don't care that it was deprecated. +@SuppressWarnings("deprecation") @ControllerAdvice public class JsonpControllerAdvice extends AbstractJsonpResponseBodyAdvice { diff --git a/spring-4/src/main/resources/application.properties b/spring-4/src/main/resources/application.properties index 274896be15..e67700b7be 100644 --- a/spring-4/src/main/resources/application.properties +++ b/spring-4/src/main/resources/application.properties @@ -2,4 +2,4 @@ feature.foo.by.id=Y feature.new.foo=Y last.active.after=2018-03-14T00:00:00Z first.active.after=2999-03-15T00:00:00Z -logging.level.org.flips=info \ No newline at end of file +logging.level.org.flips=info diff --git a/spring-4/src/main/resources/jsonp-application.properties b/spring-4/src/main/resources/jsonp-application.properties new file mode 100644 index 0000000000..94e7fcc026 --- /dev/null +++ b/spring-4/src/main/resources/jsonp-application.properties @@ -0,0 +1,2 @@ +spring.mvc.view.prefix=/WEB-INF/jsp/ +spring.mvc.view.suffix=.jsp diff --git a/spring-4/src/main/webapp/WEB-INF/jsp/index.jsp b/spring-4/src/main/webapp/WEB-INF/jsp/index.jsp new file mode 100644 index 0000000000..fa5498c966 --- /dev/null +++ b/spring-4/src/main/webapp/WEB-INF/jsp/index.jsp @@ -0,0 +1,66 @@ +<%@ page language="java" contentType="text/html; charset=ISO-8859-1" + pageEncoding="ISO-8859-1" %> + + + + + Company Data + + + + + + + + +
+ + + + \ No newline at end of file diff --git a/spring-4/src/test/java/org/baeldung/SpringContextIntegrationTest.java b/spring-4/src/test/java/org/baeldung/SpringContextIntegrationTest.java index 9dfac2bd9e..d646e22511 100644 --- a/spring-4/src/test/java/org/baeldung/SpringContextIntegrationTest.java +++ b/spring-4/src/test/java/org/baeldung/SpringContextIntegrationTest.java @@ -2,13 +2,16 @@ package org.baeldung; import org.junit.Test; import org.junit.runner.RunWith; -import org.springframework.boot.test.context.SpringBootTest; -import org.springframework.test.context.junit4.SpringRunner; +import org.springframework.test.context.ContextConfiguration; +import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; +import org.springframework.test.context.web.WebAppConfiguration; import com.baeldung.flips.ApplicationConfig; -@RunWith(SpringRunner.class) -@SpringBootTest(classes = ApplicationConfig.class) + +@RunWith(SpringJUnit4ClassRunner.class) +@ContextConfiguration(classes = ApplicationConfig.class) +@WebAppConfiguration public class SpringContextIntegrationTest { @Test diff --git a/spring-5-mvc/pom.xml b/spring-5-mvc/pom.xml index f5346a0fa0..5fb8f66f71 100644 --- a/spring-5-mvc/pom.xml +++ b/spring-5-mvc/pom.xml @@ -5,9 +5,9 @@ com.baeldung spring-5-mvc 0.0.1-SNAPSHOT - jar spring-5-mvc spring 5 MVC sample project about new features + jar com.baeldung diff --git a/spring-5-reactive-client/pom.xml b/spring-5-reactive-client/pom.xml index 6e39743ed0..1b71815eb4 100644 --- a/spring-5-reactive-client/pom.xml +++ b/spring-5-reactive-client/pom.xml @@ -2,10 +2,9 @@ 4.0.0 - spring-5-reactive-client - jar spring-5-reactive-client + jar spring 5 sample project about new features diff --git a/spring-5-reactive-oauth/README.md b/spring-5-reactive-oauth/README.md index 0f27cf5d20..ec5176670b 100644 --- a/spring-5-reactive-oauth/README.md +++ b/spring-5-reactive-oauth/README.md @@ -1,3 +1,4 @@ ### Relevant Articles: - [Spring Security OAuth Login with WebFlux](https://www.baeldung.com/spring-oauth-login-webflux) +- [Spring WebClient and OAuth2 Support](https://www.baeldung.com/spring-webclient-oauth2) diff --git a/spring-5-reactive-oauth/pom.xml b/spring-5-reactive-oauth/pom.xml index 73809681f2..ff076985e4 100644 --- a/spring-5-reactive-oauth/pom.xml +++ b/spring-5-reactive-oauth/pom.xml @@ -2,27 +2,19 @@ 4.0.0 - com.baeldung.reactive.oauth spring-5-reactive-oauth 1.0.0-SNAPSHOT - jar - spring-5-reactive-oauth + jar WebFluc and Spring Security OAuth - org.springframework.boot - spring-boot-starter-parent - 2.1.0.RELEASE - - - - - UTF-8 - UTF-8 - 1.8 - + parent-boot-2 + com.baeldung + 0.0.1-SNAPSHOT + ../parent-boot-2 + @@ -62,11 +54,11 @@ org.apache.maven.plugins maven-surefire-plugin - 2.20.1 true **/*IntegrationTest.java + **/*LiveTest.java @@ -74,4 +66,11 @@ + + UTF-8 + UTF-8 + 1.8 + 2.1.0.RELEASE + + diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/reactive/oauth/Spring5ReactiveOauthApplication.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/reactive/oauth/Spring5ReactiveOauthApplication.java index 602ded6b9e..b95517200e 100644 --- a/spring-5-reactive-oauth/src/main/java/com/baeldung/reactive/oauth/Spring5ReactiveOauthApplication.java +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/reactive/oauth/Spring5ReactiveOauthApplication.java @@ -3,11 +3,13 @@ package com.baeldung.reactive.oauth; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.PropertySource; import org.springframework.security.oauth2.client.registration.ReactiveClientRegistrationRepository; import org.springframework.security.oauth2.client.web.reactive.function.client.ServerOAuth2AuthorizedClientExchangeFilterFunction; import org.springframework.security.oauth2.client.web.server.ServerOAuth2AuthorizedClientRepository; import org.springframework.web.reactive.function.client.WebClient; +@PropertySource("classpath:default-application.yml") @SpringBootApplication public class Spring5ReactiveOauthApplication { diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/OauthClientApplication.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/OauthClientApplication.java new file mode 100644 index 0000000000..843d3f251f --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/OauthClientApplication.java @@ -0,0 +1,24 @@ +package com.baeldung.webclient.authorizationcodeclient; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.PropertySource; + +/** + * + * Note: This app is configured to use the authorization service and the resource service located in Baeldung/spring-security-oauth repo + * + * As we usually do with other well-known auth providers (github/facebook/...) we have to log-in using user credentials (john/123) and client configurations handled by the auth server + * + * @author rozagerardo + * + */ +@PropertySource("classpath:webclient-auth-code-client-application.properties") +@SpringBootApplication +public class OauthClientApplication { + + public static void main(String[] args) { + SpringApplication.run(OauthClientApplication.class, args); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/configuration/WebClientConfig.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/configuration/WebClientConfig.java new file mode 100644 index 0000000000..884a3c145d --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/configuration/WebClientConfig.java @@ -0,0 +1,20 @@ +package com.baeldung.webclient.authorizationcodeclient.configuration; + +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.security.oauth2.client.registration.ReactiveClientRegistrationRepository; +import org.springframework.security.oauth2.client.web.reactive.function.client.ServerOAuth2AuthorizedClientExchangeFilterFunction; +import org.springframework.security.oauth2.client.web.server.ServerOAuth2AuthorizedClientRepository; +import org.springframework.web.reactive.function.client.WebClient; + +@Configuration +public class WebClientConfig { + + @Bean + WebClient webClientForAuthorized(ReactiveClientRegistrationRepository clientRegistrations, ServerOAuth2AuthorizedClientRepository authorizedClients) { + ServerOAuth2AuthorizedClientExchangeFilterFunction oauth = new ServerOAuth2AuthorizedClientExchangeFilterFunction(clientRegistrations, authorizedClients); + return WebClient.builder() + .filter(oauth) + .build(); + } +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/configuration/WebSecurityConfig.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/configuration/WebSecurityConfig.java new file mode 100644 index 0000000000..4271ae96cf --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/configuration/WebSecurityConfig.java @@ -0,0 +1,22 @@ +package com.baeldung.webclient.authorizationcodeclient.configuration; + +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.security.config.web.server.ServerHttpSecurity; +import org.springframework.security.web.server.SecurityWebFilterChain; + +@Configuration +public class WebSecurityConfig { + @Bean + public SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) { + http.authorizeExchange() + .anyExchange() + .authenticated() + .and() + .oauth2Client() + .and() + .formLogin(); + return http.build(); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/web/ClientRestController.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/web/ClientRestController.java new file mode 100644 index 0000000000..9994a1255a --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/web/ClientRestController.java @@ -0,0 +1,53 @@ +package com.baeldung.webclient.authorizationcodeclient.web; + +import static org.springframework.security.oauth2.client.web.reactive.function.client.ServerOAuth2AuthorizedClientExchangeFilterFunction.clientRegistrationId; +import static org.springframework.security.oauth2.client.web.reactive.function.client.ServerOAuth2AuthorizedClientExchangeFilterFunction.oauth2AuthorizedClient; + +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.security.oauth2.client.OAuth2AuthorizedClient; +import org.springframework.security.oauth2.client.annotation.RegisteredOAuth2AuthorizedClient; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.RestController; +import org.springframework.web.reactive.function.client.WebClient; + +import reactor.core.publisher.Mono; + +@RestController +public class ClientRestController { + + private static final String RESOURCE_URI = "http://localhost:8082/spring-security-oauth-resource/foos/1"; + + @Autowired + WebClient webClient; + + @GetMapping("/auth-code") + Mono useOauthWithAuthCode() { + Mono retrievedResource = webClient.get() + .uri(RESOURCE_URI) + .retrieve() + .bodyToMono(String.class); + return retrievedResource.map(string -> "We retrieved the following resource using Oauth: " + string); + } + + @GetMapping("/auth-code-annotated") + Mono useOauthWithAuthCodeAndAnnotation(@RegisteredOAuth2AuthorizedClient("bael") OAuth2AuthorizedClient authorizedClient) { + Mono retrievedResource = webClient.get() + .uri(RESOURCE_URI) + .attributes(oauth2AuthorizedClient(authorizedClient)) + .retrieve() + .bodyToMono(String.class); + return retrievedResource.map(string -> "We retrieved the following resource using Oauth: " + string + ". Principal associated: " + authorizedClient.getPrincipalName() + ". Token will expire at: " + authorizedClient.getAccessToken() + .getExpiresAt()); + } + + @GetMapping("/auth-code-explicit-client") + Mono useOauthWithExpicitClient() { + Mono retrievedResource = webClient.get() + .uri(RESOURCE_URI) + .attributes(clientRegistrationId("bael")) + .retrieve() + .bodyToMono(String.class); + return retrievedResource.map(string -> "We retrieved the following resource using Oauth: " + string); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/OauthClientLoginApplication.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/OauthClientLoginApplication.java new file mode 100644 index 0000000000..e71e549ea4 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/OauthClientLoginApplication.java @@ -0,0 +1,24 @@ +package com.baeldung.webclient.authorizationcodelogin; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.PropertySource; + +/** + * + * Note: This app is configured to use the authorization service and the resource service located in Baeldung/spring-security-oauth repo + * + * As we usually do with other well-known auth providers (github/facebook/...) we have to log-in using user credentials (john/123) and client configurations handled by the auth server + * + * @author rozagerardo + * + */ +@PropertySource("classpath:webclient-auth-code-login-application.properties") +@SpringBootApplication +public class OauthClientLoginApplication { + + public static void main(String[] args) { + SpringApplication.run(OauthClientLoginApplication.class, args); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/configuration/WebClientConfig.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/configuration/WebClientConfig.java new file mode 100644 index 0000000000..15458cc60a --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/configuration/WebClientConfig.java @@ -0,0 +1,31 @@ +package com.baeldung.webclient.authorizationcodelogin.configuration; + +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.context.annotation.Primary; +import org.springframework.security.oauth2.client.registration.ReactiveClientRegistrationRepository; +import org.springframework.security.oauth2.client.web.reactive.function.client.ServerOAuth2AuthorizedClientExchangeFilterFunction; +import org.springframework.security.oauth2.client.web.server.ServerOAuth2AuthorizedClientRepository; +import org.springframework.web.reactive.function.client.WebClient; + +@Configuration +public class WebClientConfig { + + @Bean + @Primary + WebClient webClientForAuthorized(ReactiveClientRegistrationRepository clientRegistrations, ServerOAuth2AuthorizedClientRepository authorizedClients) { + ServerOAuth2AuthorizedClientExchangeFilterFunction oauth = new ServerOAuth2AuthorizedClientExchangeFilterFunction(clientRegistrations, authorizedClients); + oauth.setDefaultOAuth2AuthorizedClient(true); + return WebClient.builder() + .filter(oauth) + .build(); + } + + @Bean + WebClient otherWebClient(ReactiveClientRegistrationRepository clientRegistrations, ServerOAuth2AuthorizedClientRepository authorizedClients) { + ServerOAuth2AuthorizedClientExchangeFilterFunction oauth = new ServerOAuth2AuthorizedClientExchangeFilterFunction(clientRegistrations, authorizedClients); + return WebClient.builder() + .filter(oauth) + .build(); + } +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/configuration/WebSecurityConfig.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/configuration/WebSecurityConfig.java new file mode 100644 index 0000000000..f45fc09222 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/configuration/WebSecurityConfig.java @@ -0,0 +1,20 @@ +package com.baeldung.webclient.authorizationcodelogin.configuration; + +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.security.config.web.server.ServerHttpSecurity; +import org.springframework.security.web.server.SecurityWebFilterChain; + +@Configuration +public class WebSecurityConfig { + @Bean + public SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) { + http.authorizeExchange() + .anyExchange() + .authenticated() + .and() + .oauth2Login(); + return http.build(); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/web/ClientRestController.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/web/ClientRestController.java new file mode 100644 index 0000000000..24e5377f36 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/web/ClientRestController.java @@ -0,0 +1,68 @@ +package com.baeldung.webclient.authorizationcodelogin.web; + +import static org.springframework.security.oauth2.client.web.reactive.function.client.ServerOAuth2AuthorizedClientExchangeFilterFunction.clientRegistrationId; +import static org.springframework.security.oauth2.client.web.reactive.function.client.ServerOAuth2AuthorizedClientExchangeFilterFunction.oauth2AuthorizedClient; + +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.beans.factory.annotation.Qualifier; +import org.springframework.security.oauth2.client.OAuth2AuthorizedClient; +import org.springframework.security.oauth2.client.annotation.RegisteredOAuth2AuthorizedClient; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.RestController; +import org.springframework.web.reactive.function.client.WebClient; + +import reactor.core.publisher.Mono; + +@RestController +public class ClientRestController { + + private static final String RESOURCE_URI = "http://localhost:8082/spring-security-oauth-resource/foos/1"; + + @Autowired + WebClient webClient; + + @Autowired + @Qualifier("otherWebClient") + WebClient otherWebClient; + + @GetMapping("/auth-code") + Mono useOauthWithAuthCode() { + Mono retrievedResource = webClient.get() + .uri(RESOURCE_URI) + .retrieve() + .bodyToMono(String.class); + return retrievedResource.map(string -> "We retrieved the following resource using Oauth: " + string); + } + + @GetMapping("/auth-code-no-client") + Mono useOauthWithNoClient() { + // This call will fail, since we don't have the client properly set for this webClient + Mono retrievedResource = otherWebClient.get() + .uri(RESOURCE_URI) + .retrieve() + .bodyToMono(String.class); + return retrievedResource.map(string -> "We retrieved the following resource using Oauth: " + string); + } + + @GetMapping("/auth-code-annotated") + Mono useOauthWithAuthCodeAndAnnotation(@RegisteredOAuth2AuthorizedClient("bael") OAuth2AuthorizedClient authorizedClient) { + Mono retrievedResource = otherWebClient.get() + .uri(RESOURCE_URI) + .attributes(oauth2AuthorizedClient(authorizedClient)) + .retrieve() + .bodyToMono(String.class); + return retrievedResource.map(string -> "We retrieved the following resource using Oauth: " + string + ". Principal associated: " + authorizedClient.getPrincipalName() + ". Token will expire at: " + authorizedClient.getAccessToken() + .getExpiresAt()); + } + + @GetMapping("/auth-code-explicit-client") + Mono useOauthWithExpicitClient() { + Mono retrievedResource = otherWebClient.get() + .uri(RESOURCE_URI) + .attributes(clientRegistrationId("bael")) + .retrieve() + .bodyToMono(String.class); + return retrievedResource.map(string -> "We retrieved the following resource using Oauth: " + string); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/clientcredentials/ClientCredentialsOauthApplication.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/clientcredentials/ClientCredentialsOauthApplication.java new file mode 100644 index 0000000000..4356581819 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/clientcredentials/ClientCredentialsOauthApplication.java @@ -0,0 +1,24 @@ +package com.baeldung.webclient.clientcredentials; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.PropertySource; +import org.springframework.scheduling.annotation.EnableScheduling; + +/** + * + * Note: This app is configured to use the authorization service and the resource service located in Baeldung/spring-security-oauth repo + * + * @author rozagerardo + * + */ +@PropertySource("classpath:webclient-client-credentials-oauth-application.properties") +@EnableScheduling +@SpringBootApplication +public class ClientCredentialsOauthApplication { + + public static void main(String[] args) { + SpringApplication.run(ClientCredentialsOauthApplication.class, args); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/clientcredentials/configuration/WebClientConfig.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/clientcredentials/configuration/WebClientConfig.java new file mode 100644 index 0000000000..8ffc92b4cd --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/clientcredentials/configuration/WebClientConfig.java @@ -0,0 +1,22 @@ +package com.baeldung.webclient.clientcredentials.configuration; + +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.security.oauth2.client.registration.ReactiveClientRegistrationRepository; +import org.springframework.security.oauth2.client.web.reactive.function.client.ServerOAuth2AuthorizedClientExchangeFilterFunction; +import org.springframework.security.oauth2.client.web.server.UnAuthenticatedServerOAuth2AuthorizedClientRepository; +import org.springframework.web.reactive.function.client.WebClient; + +@Configuration +public class WebClientConfig { + + @Bean + WebClient webClient(ReactiveClientRegistrationRepository clientRegistrations) { + ServerOAuth2AuthorizedClientExchangeFilterFunction oauth = new ServerOAuth2AuthorizedClientExchangeFilterFunction(clientRegistrations, new UnAuthenticatedServerOAuth2AuthorizedClientRepository()); + oauth.setDefaultClientRegistrationId("bael"); + return WebClient.builder() + .filter(oauth) + .build(); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/clientcredentials/service/WebClientChonJob.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/clientcredentials/service/WebClientChonJob.java new file mode 100644 index 0000000000..ef39222933 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/clientcredentials/service/WebClientChonJob.java @@ -0,0 +1,31 @@ +package com.baeldung.webclient.clientcredentials.service; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.scheduling.annotation.Scheduled; +import org.springframework.stereotype.Component; +import org.springframework.web.reactive.function.client.WebClient; + +@Component +public class WebClientChonJob { + + Logger logger = LoggerFactory.getLogger(WebClientChonJob.class); + + private static final String RESOURCE_URI = "localhost:8082/spring-security-oauth-resource/foos/1"; + + @Autowired + private WebClient webClient; + + @Scheduled(fixedRate = 5000) + public void logResourceServiceResponse() { + + webClient.get() + .uri(RESOURCE_URI) + .retrieve() + .bodyToMono(String.class) + .map(string -> "We retrieved the following resource using Client Credentials Grant Type: " + string) + .subscribe(logger::info); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/ManualRequestApplication.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/ManualRequestApplication.java new file mode 100644 index 0000000000..59a63355f7 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/ManualRequestApplication.java @@ -0,0 +1,22 @@ +package com.baeldung.webclient.manualrequest; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.PropertySource; + +/** + * + * Note: This app is configured to use the authorization service and the resource service located in Baeldung/spring-security-oauth repo + * + * @author rozagerardo + * + */ +@PropertySource("classpath:webclient-manual-request-oauth-application.properties") +@SpringBootApplication +public class ManualRequestApplication { + + public static void main(String[] args) { + SpringApplication.run(ManualRequestApplication.class, args); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/configure/WebClientConfig.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/configure/WebClientConfig.java new file mode 100644 index 0000000000..51fc60821a --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/configure/WebClientConfig.java @@ -0,0 +1,16 @@ +package com.baeldung.webclient.manualrequest.configure; + +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.web.reactive.function.client.WebClient; + +@Configuration +public class WebClientConfig { + + @Bean + public WebClient configureWebClient() { + return WebClient.builder() + .build(); + }; + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/configure/WebSecurityConfig.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/configure/WebSecurityConfig.java new file mode 100644 index 0000000000..1753681db8 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/configure/WebSecurityConfig.java @@ -0,0 +1,17 @@ +package com.baeldung.webclient.manualrequest.configure; + +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.security.config.web.server.ServerHttpSecurity; +import org.springframework.security.web.server.SecurityWebFilterChain; + +@Configuration +public class WebSecurityConfig { + @Bean + public SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) { + http.authorizeExchange() + .anyExchange() + .permitAll(); + return http.build(); + } +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/web/ManualOauthRequestController.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/web/ManualOauthRequestController.java new file mode 100644 index 0000000000..d54d811032 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/web/ManualOauthRequestController.java @@ -0,0 +1,63 @@ +package com.baeldung.webclient.manualrequest.web; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.http.HttpHeaders; +import org.springframework.security.oauth2.core.endpoint.OAuth2ParameterNames; +import org.springframework.util.Base64Utils; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.RestController; +import org.springframework.web.reactive.function.BodyInserters; +import org.springframework.web.reactive.function.client.WebClient; + +import com.fasterxml.jackson.databind.JsonNode; +import com.nimbusds.oauth2.sdk.GrantType; + +import reactor.core.publisher.Mono; + +@RestController +public class ManualOauthRequestController { + + private static Logger logger = LoggerFactory.getLogger(ManualOauthRequestController.class); + + private static final String RESOURCE_ENDPOINT = "localhost:8082/spring-security-oauth-resource/foos/1"; + + @Value("${the.authorization.client-id}") + private String clientId; + + @Value("${the.authorization.client-secret}") + private String clientSecret; + + @Value("${the.authorization.token-uri}") + private String tokenUri; + + @Autowired + WebClient client; + + @GetMapping("/manual-request-oauth") + public Mono obtainSecuredResource() { + logger.info("Creating web client..."); + Mono resource = client.post() + .uri(tokenUri) + .header(HttpHeaders.AUTHORIZATION, "Basic " + Base64Utils.encodeToString((clientId + ":" + clientSecret).getBytes())) + .body(BodyInserters.fromFormData(OAuth2ParameterNames.GRANT_TYPE, GrantType.CLIENT_CREDENTIALS.getValue())) + .retrieve() + .bodyToMono(JsonNode.class) + .flatMap(tokenResponse -> { + String accessTokenValue = tokenResponse.get("access_token") + .textValue(); + logger.info("Retrieved the following access token: {}", accessTokenValue); + return client.get() + .uri(RESOURCE_ENDPOINT) + .headers(h -> h.setBearerAuth(accessTokenValue)) + .retrieve() + .bodyToMono(String.class); + }); + logger.info("non-blocking Oauth calls registered..."); + return resource.map(res -> "Retrieved the resource using a manual approach: " + res); + + } + +} diff --git a/spring-5-reactive-oauth/src/main/resources/application.yml b/spring-5-reactive-oauth/src/main/resources/application.yml index e35e19b344..bec62fdd33 100644 --- a/spring-5-reactive-oauth/src/main/resources/application.yml +++ b/spring-5-reactive-oauth/src/main/resources/application.yml @@ -1,20 +1,3 @@ -spring: - security: - oauth2: - client: - registration: - google: - client-id: YOUR_APP_CLIENT_ID - client-secret: YOUR_APP_CLIENT_SECRET - custom: - client-id: fooClientIdPassword - client-secret: secret - scopes: read,foo - authorization-grant-type: authorization_code - redirect-uri-template: http://localhost:8080/login/oauth2/code/custom - provider: - custom: - authorization-uri: http://localhost:8081/spring-security-oauth-server/oauth/authorize - token-uri: http://localhost:8081/spring-security-oauth-server/oauth/token - user-info-uri: http://localhost:8088/spring-security-oauth-resource/users/extra - user-name-attribute: user_name \ No newline at end of file +logging: + level: + root: DEBUG \ No newline at end of file diff --git a/spring-5-reactive-oauth/src/main/resources/default-application.yml b/spring-5-reactive-oauth/src/main/resources/default-application.yml new file mode 100644 index 0000000000..e35e19b344 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/resources/default-application.yml @@ -0,0 +1,20 @@ +spring: + security: + oauth2: + client: + registration: + google: + client-id: YOUR_APP_CLIENT_ID + client-secret: YOUR_APP_CLIENT_SECRET + custom: + client-id: fooClientIdPassword + client-secret: secret + scopes: read,foo + authorization-grant-type: authorization_code + redirect-uri-template: http://localhost:8080/login/oauth2/code/custom + provider: + custom: + authorization-uri: http://localhost:8081/spring-security-oauth-server/oauth/authorize + token-uri: http://localhost:8081/spring-security-oauth-server/oauth/token + user-info-uri: http://localhost:8088/spring-security-oauth-resource/users/extra + user-name-attribute: user_name \ No newline at end of file diff --git a/spring-5-reactive-oauth/src/main/resources/webclient-auth-code-client-application.properties b/spring-5-reactive-oauth/src/main/resources/webclient-auth-code-client-application.properties new file mode 100644 index 0000000000..ac96aae6d6 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/resources/webclient-auth-code-client-application.properties @@ -0,0 +1,10 @@ +spring.security.oauth2.client.registration.bael.client-name=bael +spring.security.oauth2.client.registration.bael.client-id=fooClientIdPassword +spring.security.oauth2.client.registration.bael.client-secret=secret +spring.security.oauth2.client.registration.bael.authorization-grant-type=authorization_code +spring.security.oauth2.client.registration.bael.redirect-uri=http://localhost:8080/authorize/oauth2/code/bael + +spring.security.oauth2.client.provider.bael.token-uri=http://localhost:8081/spring-security-oauth-server/oauth/token +spring.security.oauth2.client.provider.bael.authorization-uri=http://localhost:8081/spring-security-oauth-server/oauth/authorize + +spring.security.user.password=pass diff --git a/spring-5-reactive-oauth/src/main/resources/webclient-auth-code-login-application.properties b/spring-5-reactive-oauth/src/main/resources/webclient-auth-code-login-application.properties new file mode 100644 index 0000000000..e4dd0a532d --- /dev/null +++ b/spring-5-reactive-oauth/src/main/resources/webclient-auth-code-login-application.properties @@ -0,0 +1,10 @@ +spring.security.oauth2.client.registration.bael.client-name=bael +spring.security.oauth2.client.registration.bael.client-id=fooClientIdPassword +spring.security.oauth2.client.registration.bael.client-secret=secret +spring.security.oauth2.client.registration.bael.authorization-grant-type=authorization_code +spring.security.oauth2.client.registration.bael.redirect-uri=http://localhost:8080/login/oauth2/code/bael + +spring.security.oauth2.client.provider.bael.token-uri=http://localhost:8081/spring-security-oauth-server/oauth/token +spring.security.oauth2.client.provider.bael.authorization-uri=http://localhost:8081/spring-security-oauth-server/oauth/authorize +spring.security.oauth2.client.provider.bael.user-info-uri=http://localhost:8082/spring-security-oauth-resource/users/extra +spring.security.oauth2.client.provider.bael.user-name-attribute=user_name diff --git a/spring-5-reactive-oauth/src/main/resources/webclient-client-credentials-oauth-application.properties b/spring-5-reactive-oauth/src/main/resources/webclient-client-credentials-oauth-application.properties new file mode 100644 index 0000000000..14c5b97605 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/resources/webclient-client-credentials-oauth-application.properties @@ -0,0 +1,4 @@ +spring.security.oauth2.client.registration.bael.authorization-grant-type=client_credentials +spring.security.oauth2.client.registration.bael.client-id=fooClientIdPassword +spring.security.oauth2.client.registration.bael.client-secret=secret +spring.security.oauth2.client.provider.bael.token-uri=http://localhost:8081/spring-security-oauth-server/oauth/token diff --git a/spring-5-reactive-oauth/src/main/resources/webclient-manual-request-oauth-application.properties b/spring-5-reactive-oauth/src/main/resources/webclient-manual-request-oauth-application.properties new file mode 100644 index 0000000000..36ec3defd1 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/resources/webclient-manual-request-oauth-application.properties @@ -0,0 +1,3 @@ +the.authorization.client-id=fooClientIdPassword +the.authorization.client-secret=secret +the.authorization.token-uri=http://localhost:8081/spring-security-oauth-server/oauth/token diff --git a/spring-5-reactive-oauth/src/test/java/com/baeldung/webclient/clientcredentials/OAuth2ClientCredentialsLiveTest.java b/spring-5-reactive-oauth/src/test/java/com/baeldung/webclient/clientcredentials/OAuth2ClientCredentialsLiveTest.java new file mode 100644 index 0000000000..ef913ba055 --- /dev/null +++ b/spring-5-reactive-oauth/src/test/java/com/baeldung/webclient/clientcredentials/OAuth2ClientCredentialsLiveTest.java @@ -0,0 +1,52 @@ +package com.baeldung.webclient.clientcredentials; + +import static org.assertj.core.api.Assertions.assertThat; + +import java.util.Collection; +import java.util.stream.Collectors; + +import org.junit.Before; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.test.context.junit4.SpringRunner; + +import com.baeldung.webclient.clientcredentials.service.WebClientChonJob; +import com.baeldung.webclient.utils.ListAppender; + +import ch.qos.logback.classic.spi.ILoggingEvent; + +/** + * + * Note: this Live test requires the Authorization Service and the Resource service located in the Baeldung/spring-security-oauth repo + * + * @author rozagerardo + * + */ +@RunWith(SpringRunner.class) +@SpringBootTest(classes = { ClientCredentialsOauthApplication.class }) +public class OAuth2ClientCredentialsLiveTest { + + @Autowired + WebClientChonJob service; + + @Before + public void clearLogList() { + ListAppender.clearEventList(); + } + + @Test + public void givenFooWithNullId_whenProcessFoo_thenLogsWithDebugTrace() throws Exception { + service.logResourceServiceResponse(); + + Thread.sleep(3000); + + Collection allLoggedEntries = ListAppender.getEvents() + .stream() + .map(ILoggingEvent::getFormattedMessage) + .collect(Collectors.toList()); + assertThat(allLoggedEntries).anyMatch(entry -> entry.contains("We retrieved the following resource using Client Credentials Grant Type: {\"id\"")); + } + +} diff --git a/spring-5-reactive-oauth/src/test/java/com/baeldung/webclient/manualrequest/OAuth2ManualRequestLiveTest.java b/spring-5-reactive-oauth/src/test/java/com/baeldung/webclient/manualrequest/OAuth2ManualRequestLiveTest.java new file mode 100644 index 0000000000..2381264926 --- /dev/null +++ b/spring-5-reactive-oauth/src/test/java/com/baeldung/webclient/manualrequest/OAuth2ManualRequestLiveTest.java @@ -0,0 +1,44 @@ +package com.baeldung.webclient.manualrequest; + +import org.hamcrest.Matchers; +import org.junit.Before; +import org.junit.Test; +import org.springframework.test.web.reactive.server.WebTestClient; +import org.springframework.test.web.reactive.server.WebTestClient.ResponseSpec; + +/** + * + * Note: this Live test requires not only the corresponding application running, + * but also the Authorization Service and the Resource service located in the Baeldung/spring-security-oauth repo + * + * + * @author ger + * + */ +public class OAuth2ManualRequestLiveTest { + + private static final String BASE_URL = "http://localhost:8080"; + private static final String MANUAL_REQUEST_URI = "/manual-request-oauth"; + + private static WebTestClient client; + + @Before + public void setup() { + client = WebTestClient.bindToServer() + .baseUrl(BASE_URL) + .build(); + } + + @Test + public void whenRequestingDebugHookOn_thenObtainExpectedMessage() { + ResponseSpec response = client.get() + .uri(MANUAL_REQUEST_URI) + .exchange(); + + response.expectStatus() + .isOk() + .expectBody(String.class) + .value(Matchers.containsString("Retrieved the resource using a manual approach: {\"id\"")); + } + +} diff --git a/spring-5-reactive-oauth/src/test/java/com/baeldung/webclient/utils/ListAppender.java b/spring-5-reactive-oauth/src/test/java/com/baeldung/webclient/utils/ListAppender.java new file mode 100644 index 0000000000..6f8fbe004a --- /dev/null +++ b/spring-5-reactive-oauth/src/test/java/com/baeldung/webclient/utils/ListAppender.java @@ -0,0 +1,25 @@ +package com.baeldung.webclient.utils; + +import java.util.ArrayList; +import java.util.List; + +import ch.qos.logback.classic.spi.ILoggingEvent; +import ch.qos.logback.core.AppenderBase; + +public class ListAppender extends AppenderBase { + + static private List events = new ArrayList<>(); + + @Override + protected void append(ILoggingEvent eventObject) { + events.add(eventObject); + } + + public static List getEvents() { + return events; + } + + public static void clearEventList() { + events.clear(); + } +} \ No newline at end of file diff --git a/spring-5-reactive-oauth/src/test/resources/logback-test.xml b/spring-5-reactive-oauth/src/test/resources/logback-test.xml new file mode 100644 index 0000000000..891c54bfd3 --- /dev/null +++ b/spring-5-reactive-oauth/src/test/resources/logback-test.xml @@ -0,0 +1,16 @@ + + + + + + + + + + + + + \ No newline at end of file diff --git a/spring-5-reactive-security/pom.xml b/spring-5-reactive-security/pom.xml index 3b64b9b3ac..72a73a86ce 100644 --- a/spring-5-reactive-security/pom.xml +++ b/spring-5-reactive-security/pom.xml @@ -2,12 +2,11 @@ 4.0.0 - com.baeldung spring-5-reactive-security 0.0.1-SNAPSHOT - jar spring-5-reactive-security + jar spring 5 security sample project about new features diff --git a/spring-5-reactive/README.md b/spring-5-reactive/README.md index 2a4ee017f4..ef2f7d07eb 100644 --- a/spring-5-reactive/README.md +++ b/spring-5-reactive/README.md @@ -7,7 +7,7 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring - [Introduction to the Functional Web Framework in Spring 5](http://www.baeldung.com/spring-5-functional-web) - [Spring 5 WebClient](http://www.baeldung.com/spring-5-webclient) -- [Exploring the Spring 5 MVC URL Matching Improvements](http://www.baeldung.com/spring-5-mvc-url-matching) +- [Exploring the Spring 5 WebFlux URL Matching](http://www.baeldung.com/spring-5-mvc-url-matching) - [Reactive WebSockets with Spring 5](http://www.baeldung.com/spring-5-reactive-websockets) - [Spring Webflux Filters](http://www.baeldung.com/spring-webflux-filters) - [How to Set a Header on a Response with Spring 5](http://www.baeldung.com/spring-response-header) @@ -18,3 +18,4 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring - [Validation for Functional Endpoints in Spring 5](https://www.baeldung.com/spring-functional-endpoints-validation) - [Logging a Reactive Sequence](https://www.baeldung.com/spring-reactive-sequence-logging) - [Testing Reactive Streams Using StepVerifier and TestPublisher](https://www.baeldung.com/reactive-streams-step-verifier-test-publisher) +- [Debugging Reactive Streams in Spring 5](https://www.baeldung.com/spring-debugging-reactive-streams) diff --git a/spring-5-reactive/pom.xml b/spring-5-reactive/pom.xml index 63cc185afe..8d5324a673 100644 --- a/spring-5-reactive/pom.xml +++ b/spring-5-reactive/pom.xml @@ -2,12 +2,11 @@ 4.0.0 - com.baeldung spring-5-reactive 0.0.1-SNAPSHOT - jar spring-5-reactive + jar spring 5 sample project about new features @@ -125,6 +124,28 @@ + + maven-resources-plugin + 3.0.1 + + + copy-resources + validate + + copy-resources + + + + + src/main/assets + true + + + ${basedir}/target/classes/assets + + + + org.springframework.boot spring-boot-maven-plugin diff --git a/spring-5-reactive/src/main/assets/index.html b/spring-5-reactive/src/main/assets/index.html new file mode 100644 index 0000000000..047514df1c --- /dev/null +++ b/spring-5-reactive/src/main/assets/index.html @@ -0,0 +1,10 @@ + + + + + Baeldung: Static Content in Spring WebFlux + + +Example Spring Web Flux and web resources configuration + + \ No newline at end of file diff --git a/spring-5-reactive/src/main/java/com/baeldung/staticcontent/StaticContentApplication.java b/spring-5-reactive/src/main/java/com/baeldung/staticcontent/StaticContentApplication.java new file mode 100644 index 0000000000..31a3de4927 --- /dev/null +++ b/spring-5-reactive/src/main/java/com/baeldung/staticcontent/StaticContentApplication.java @@ -0,0 +1,28 @@ +package com.baeldung.staticcontent; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.Bean; +import org.springframework.security.config.web.server.ServerHttpSecurity; +import org.springframework.security.web.server.SecurityWebFilterChain; + +import java.util.Collections; + +@SpringBootApplication +public class StaticContentApplication { + + public static void main(String[] args) { + SpringApplication app = new SpringApplication(StaticContentApplication.class); + app.setDefaultProperties(Collections.singletonMap("server.port", "8084")); + app.run(args); + } + + @Bean + public SecurityWebFilterChain staticContentSpringSecurityFilterChain(ServerHttpSecurity http) { + http.authorizeExchange() + .anyExchange() + .permitAll(); + return http.build(); + } + +} diff --git a/spring-5-reactive/src/main/java/com/baeldung/staticcontent/StaticContentConfig.java b/spring-5-reactive/src/main/java/com/baeldung/staticcontent/StaticContentConfig.java new file mode 100644 index 0000000000..1fbb9958e7 --- /dev/null +++ b/spring-5-reactive/src/main/java/com/baeldung/staticcontent/StaticContentConfig.java @@ -0,0 +1,35 @@ +package com.baeldung.staticcontent; + +import org.springframework.beans.factory.annotation.Value; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.core.io.ClassPathResource; +import org.springframework.core.io.Resource; +import org.springframework.http.MediaType; +import org.springframework.web.reactive.function.server.RouterFunction; +import org.springframework.web.reactive.function.server.RouterFunctions; +import org.springframework.web.reactive.function.server.ServerResponse; + +import static org.springframework.web.reactive.function.server.RequestPredicates.GET; +import static org.springframework.web.reactive.function.server.RouterFunctions.route; +import static org.springframework.web.reactive.function.server.ServerResponse.ok; + +@Configuration +public class StaticContentConfig { + + @Bean + public RouterFunction htmlRouter(@Value("classpath:/public/index.html") Resource html) { + return route( + GET("/"), + request -> ok() + .contentType(MediaType.TEXT_HTML) + .syncBody(html) + ); + } + + @Bean + public RouterFunction imgRouter() { + return RouterFunctions.resources("/img/**", new ClassPathResource("img/")); + } + +} diff --git a/spring-5-reactive/src/main/resources/application-assets-custom-location.properties b/spring-5-reactive/src/main/resources/application-assets-custom-location.properties new file mode 100644 index 0000000000..9a2dbb04d9 --- /dev/null +++ b/spring-5-reactive/src/main/resources/application-assets-custom-location.properties @@ -0,0 +1,3 @@ +# Use in Static content Example +spring.webflux.static-path-pattern = /assets/** +spring.resources.static-locations = classpath:/assets/ \ No newline at end of file diff --git a/spring-5-reactive/src/main/resources/img/example-image.png b/spring-5-reactive/src/main/resources/img/example-image.png new file mode 100644 index 0000000000..2fa6c7b8c5 Binary files /dev/null and b/spring-5-reactive/src/main/resources/img/example-image.png differ diff --git a/spring-5-reactive/src/main/resources/public/index.html b/spring-5-reactive/src/main/resources/public/index.html new file mode 100644 index 0000000000..7a3b9413cd --- /dev/null +++ b/spring-5-reactive/src/main/resources/public/index.html @@ -0,0 +1,10 @@ + + + + + Baeldung: Static Content in Spring WebFlux + + +Example HTML file + + \ No newline at end of file diff --git a/spring-5-reactive/src/test/java/com/baeldung/staticcontent/StaticContentCustomLocationIntegrationTest.java b/spring-5-reactive/src/test/java/com/baeldung/staticcontent/StaticContentCustomLocationIntegrationTest.java new file mode 100644 index 0000000000..f40ff83738 --- /dev/null +++ b/spring-5-reactive/src/test/java/com/baeldung/staticcontent/StaticContentCustomLocationIntegrationTest.java @@ -0,0 +1,39 @@ +package com.baeldung.staticcontent; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.http.HttpHeaders; +import org.springframework.http.MediaType; +import org.springframework.test.context.ActiveProfiles; +import org.springframework.test.context.junit4.SpringRunner; +import org.springframework.test.web.reactive.server.WebTestClient; + + +@RunWith(SpringRunner.class) +@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT) +@ActiveProfiles("assets-custom-location") +public class StaticContentCustomLocationIntegrationTest { + + @Autowired + private WebTestClient client; + + @Test + public void whenRequestingHtmlFileFromCustomLocation_thenReturnThisFileAndTextHtmlContentType() throws Exception { + client.get() + .uri("/assets/index.html") + .exchange() + .expectStatus().isOk() + .expectHeader().valueEquals(HttpHeaders.CONTENT_TYPE, MediaType.TEXT_HTML_VALUE); + } + + @Test + public void whenRequestingMissingStaticResource_thenReturnNotFoundStatus() throws Exception { + client.get() + .uri("/assets/unknown.png") + .exchange() + .expectStatus().isNotFound(); + } + +} \ No newline at end of file diff --git a/spring-5-reactive/src/test/java/com/baeldung/staticcontent/StaticContentDefaultLocationIntegrationTest.java b/spring-5-reactive/src/test/java/com/baeldung/staticcontent/StaticContentDefaultLocationIntegrationTest.java new file mode 100644 index 0000000000..820d6e13ef --- /dev/null +++ b/spring-5-reactive/src/test/java/com/baeldung/staticcontent/StaticContentDefaultLocationIntegrationTest.java @@ -0,0 +1,46 @@ +package com.baeldung.staticcontent; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.http.HttpHeaders; +import org.springframework.http.MediaType; +import org.springframework.test.context.junit4.SpringRunner; +import org.springframework.test.web.reactive.server.WebTestClient; + + +@RunWith(SpringRunner.class) +@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT) +public class StaticContentDefaultLocationIntegrationTest { + + @Autowired + private WebTestClient client; + + @Test + public void whenRequestingHtmlFileFromDefaultLocation_thenReturnThisFileAndTextHtmlContentType() throws Exception { + client.get() + .uri("/index.html") + .exchange() + .expectStatus().isOk() + .expectHeader().valueEquals(HttpHeaders.CONTENT_TYPE, MediaType.TEXT_HTML_VALUE); + } + + @Test + public void whenRequestingPngImageFromImgLocation_thenReturnThisFileAndImagePngContentType() throws Exception { + client.get() + .uri("/img/example-image.png") + .exchange() + .expectStatus().isOk() + .expectHeader().valueEquals(HttpHeaders.CONTENT_TYPE, MediaType.IMAGE_PNG_VALUE); + } + + @Test + public void whenRequestingMissingStaticResource_thenReturnNotFoundStatus() throws Exception { + client.get() + .uri("/unknown.png") + .exchange() + .expectStatus().isNotFound(); + } + +} \ No newline at end of file diff --git a/spring-5-security-oauth/README.md b/spring-5-security-oauth/README.md index f13925992b..5a444d4784 100644 --- a/spring-5-security-oauth/README.md +++ b/spring-5-security-oauth/README.md @@ -2,3 +2,4 @@ - [Spring Security 5 -OAuth2 Login](http://www.baeldung.com/spring-security-5-oauth2-login) - [Extracting Principal and Authorities using Spring Security OAuth](https://www.baeldung.com/spring-security-oauth-principal-authorities-extractor) +- [Customizing Authorization and Token Requests with Spring Security 5.1 Client](https://www.baeldung.com/spring-security-custom-oauth-requests) diff --git a/spring-5-security-oauth/pom.xml b/spring-5-security-oauth/pom.xml index 59150a153f..d9a1e3094e 100644 --- a/spring-5-security-oauth/pom.xml +++ b/spring-5-security-oauth/pom.xml @@ -4,8 +4,8 @@ com.baeldung spring-5-security-oauth 0.0.1-SNAPSHOT - jar spring-5-security-oauth + jar spring 5 security oauth sample project diff --git a/spring-5-security-oauth/src/main/java/com/baeldung/oauth2/SpringOAuthApplication.java b/spring-5-security-oauth/src/main/java/com/baeldung/oauth2/SpringOAuthApplication.java index 557c23b368..1478b03d2e 100644 --- a/spring-5-security-oauth/src/main/java/com/baeldung/oauth2/SpringOAuthApplication.java +++ b/spring-5-security-oauth/src/main/java/com/baeldung/oauth2/SpringOAuthApplication.java @@ -2,7 +2,9 @@ package com.baeldung.oauth2; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.PropertySource; +@PropertySource("classpath:default-application.properties") @SpringBootApplication public class SpringOAuthApplication { diff --git a/spring-5-security-oauth/src/main/java/com/baeldung/oauth2extractors/ExtractorsApplication.java b/spring-5-security-oauth/src/main/java/com/baeldung/oauth2extractors/ExtractorsApplication.java index 6ab4d525bf..174e5b0fdf 100644 --- a/spring-5-security-oauth/src/main/java/com/baeldung/oauth2extractors/ExtractorsApplication.java +++ b/spring-5-security-oauth/src/main/java/com/baeldung/oauth2extractors/ExtractorsApplication.java @@ -3,10 +3,12 @@ package com.baeldung.oauth2extractors; import org.apache.logging.log4j.util.Strings; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.PropertySource; import org.springframework.core.env.AbstractEnvironment; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; +@PropertySource("classpath:default-application.properties") @SpringBootApplication @Controller public class ExtractorsApplication { diff --git a/spring-5-security-oauth/src/main/resources/application.properties b/spring-5-security-oauth/src/main/resources/application.properties index 5912b0f755..c84e745918 100644 --- a/spring-5-security-oauth/src/main/resources/application.properties +++ b/spring-5-security-oauth/src/main/resources/application.properties @@ -1,5 +1,3 @@ -server.port=8081 - logging.level.root=INFO logging.level.com.baeldung.dsl.ClientErrorLoggingFilter=DEBUG \ No newline at end of file diff --git a/spring-5-security-oauth/src/main/resources/default-application.properties b/spring-5-security-oauth/src/main/resources/default-application.properties new file mode 100644 index 0000000000..bafddced85 --- /dev/null +++ b/spring-5-security-oauth/src/main/resources/default-application.properties @@ -0,0 +1 @@ +server.port=8081 \ No newline at end of file diff --git a/spring-5-security/pom.xml b/spring-5-security/pom.xml index c26e370381..413337633f 100644 --- a/spring-5-security/pom.xml +++ b/spring-5-security/pom.xml @@ -4,8 +4,8 @@ com.baeldung spring-5-security 0.0.1-SNAPSHOT - jar spring-5-security + jar spring 5 security sample project @@ -16,7 +16,6 @@ - org.springframework.boot spring-boot-starter-security diff --git a/spring-5/pom.xml b/spring-5/pom.xml index 58c14475e0..6e4162fbcc 100644 --- a/spring-5/pom.xml +++ b/spring-5/pom.xml @@ -6,8 +6,8 @@ com.baeldung spring-5 0.0.1-SNAPSHOT - jar spring-5 + jar spring 5 sample project about new features @@ -156,7 +156,6 @@ 4.1 ${project.build.directory}/generated-snippets 2.21.0 - diff --git a/spring-activiti/pom.xml b/spring-activiti/pom.xml index 4e21c5b032..3d67a2ab7b 100644 --- a/spring-activiti/pom.xml +++ b/spring-activiti/pom.xml @@ -3,8 +3,8 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 spring-activiti - jar spring-activiti + jar Demo project for Spring Boot diff --git a/spring-all/README.md b/spring-all/README.md index 0d78efdcf2..81dd435007 100644 --- a/spring-all/README.md +++ b/spring-all/README.md @@ -11,11 +11,11 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring ### Relevant articles: - [Guide to Spring @Autowired](http://www.baeldung.com/spring-autowire) -- [Properties with Spring](http://www.baeldung.com/properties-with-spring) - checkout the `org.baeldung.properties` package for all scenarios of properties injection and usage +- [Properties with Spring and Spring Boot](http://www.baeldung.com/properties-with-spring) - checkout the `org.baeldung.properties` package for all scenarios of properties injection and usage - [Spring Profiles](http://www.baeldung.com/spring-profiles) - [A Spring Custom Annotation for a Better DAO](http://www.baeldung.com/spring-annotation-bean-pre-processor) - [What's New in Spring 4.3?](http://www.baeldung.com/whats-new-in-spring-4-3) -- [Guide To Running Logic on Startup in Spring](http://www.baeldung.com/running-setup-logic-on-startup-in-spring) +- [Running Setup Data on Startup in Spring](http://www.baeldung.com/running-setup-logic-on-startup-in-spring) - [Quick Guide to Spring Controllers](http://www.baeldung.com/spring-controllers) - [Quick Guide to Spring Bean Scopes](http://www.baeldung.com/spring-bean-scopes) - [Introduction To Ehcache](http://www.baeldung.com/ehcache) @@ -28,7 +28,7 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring - [Model, ModelMap, and ModelView in Spring MVC](http://www.baeldung.com/spring-mvc-model-model-map-model-view) - [A Guide To Caching in Spring](http://www.baeldung.com/spring-cache-tutorial) - [How To Do @Async in Spring](http://www.baeldung.com/spring-async) -- [Quick Guide to the Spring @Order Annotation](http://www.baeldung.com/spring-order) +- [@Order in Spring](http://www.baeldung.com/spring-order) - [Spring Web Contexts](http://www.baeldung.com/spring-web-contexts) - [Spring Cache – Creating a Custom KeyGenerator](http://www.baeldung.com/spring-cache-custom-keygenerator) - [Spring @Primary Annotation](http://www.baeldung.com/spring-primary) diff --git a/spring-all/pom.xml b/spring-all/pom.xml index 77c7e74e08..8c88efb970 100644 --- a/spring-all/pom.xml +++ b/spring-all/pom.xml @@ -1,5 +1,5 @@ + xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 spring-all 0.1-SNAPSHOT @@ -47,12 +47,16 @@ org.springframework spring-websocket - - + + org.springframework spring-messaging - - + + + javax.annotation + javax.annotation-api + ${annotation-api.version} + org.springframework @@ -160,12 +164,12 @@ net.javacrumbs.shedlock shedlock-spring - 2.1.0 + ${shedlock.version} net.javacrumbs.shedlock shedlock-provider-jdbc-template - 2.1.0 + ${shedlock.version} @@ -227,13 +231,13 @@ - + org.baeldung.sample.App 5.0.6.RELEASE 1.2.0.RELEASE - + 1.3.2 5.2.5.Final @@ -243,7 +247,7 @@ 3.6 3.6.1 6.6.0 - + 2.1.0 3.22.0-GA diff --git a/spring-all/src/main/java/org/baeldung/properties/spring/PropertiesWithJavaConfig.java b/spring-all/src/main/java/org/baeldung/properties/spring/PropertiesWithJavaConfig.java index 08626bb4d2..6589143a94 100644 --- a/spring-all/src/main/java/org/baeldung/properties/spring/PropertiesWithJavaConfig.java +++ b/spring-all/src/main/java/org/baeldung/properties/spring/PropertiesWithJavaConfig.java @@ -7,6 +7,7 @@ import org.springframework.context.support.PropertySourcesPlaceholderConfigurer; @Configuration @PropertySource("classpath:foo.properties") +@PropertySource("classpath:bar.properties") public class PropertiesWithJavaConfig { public PropertiesWithJavaConfig() { diff --git a/spring-all/src/main/resources/configForProperties.xml b/spring-all/src/main/resources/configForProperties.xml index 0f766665eb..459aea3ec6 100644 --- a/spring-all/src/main/resources/configForProperties.xml +++ b/spring-all/src/main/resources/configForProperties.xml @@ -7,7 +7,7 @@ http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd" > - + diff --git a/spring-all/src/test/java/org/baeldung/properties/multiple/MultiplePropertiesJavaConfigIntegrationTest.java b/spring-all/src/test/java/org/baeldung/properties/multiple/MultiplePropertiesJavaConfigIntegrationTest.java new file mode 100644 index 0000000000..9cb41c20f7 --- /dev/null +++ b/spring-all/src/test/java/org/baeldung/properties/multiple/MultiplePropertiesJavaConfigIntegrationTest.java @@ -0,0 +1,25 @@ +package org.baeldung.properties.multiple; + +import org.baeldung.properties.spring.PropertiesWithJavaConfig; +import org.junit.jupiter.api.Test; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.test.context.junit.jupiter.SpringJUnitConfig; + +import static org.assertj.core.api.Assertions.assertThat; + +@SpringJUnitConfig(PropertiesWithJavaConfig.class) +public class MultiplePropertiesJavaConfigIntegrationTest { + + @Value("${key.something}") + private String something; + + @Value("${key.something2}") + private String something2; + + + @Test + public void whenReadInjectedValues_thenGetCorrectValues() { + assertThat(something).isEqualTo("val"); + assertThat(something2).isEqualTo("val2"); + } +} diff --git a/spring-all/src/test/java/org/baeldung/properties/multiple/MultiplePropertiesXmlConfigIntegrationTest.java b/spring-all/src/test/java/org/baeldung/properties/multiple/MultiplePropertiesXmlConfigIntegrationTest.java new file mode 100644 index 0000000000..b4f81f3541 --- /dev/null +++ b/spring-all/src/test/java/org/baeldung/properties/multiple/MultiplePropertiesXmlConfigIntegrationTest.java @@ -0,0 +1,21 @@ +package org.baeldung.properties.multiple; + +import org.junit.jupiter.api.Test; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.test.context.junit.jupiter.SpringJUnitConfig; + +import static org.assertj.core.api.Assertions.assertThat; + +@SpringJUnitConfig(locations = "classpath:configForProperties.xml") +public class MultiplePropertiesXmlConfigIntegrationTest { + + @Value("${key.something}") private String something; + + @Value("${key.something2}") private String something2; + + @Test + public void whenReadInjectedValues_thenGetCorrectValues() { + assertThat(something).isEqualTo("val"); + assertThat(something2).isEqualTo("val2"); + } +} diff --git a/spring-amqp-simple/pom.xml b/spring-amqp-simple/pom.xml index 57d84acee6..45cdc066a0 100644 --- a/spring-amqp-simple/pom.xml +++ b/spring-amqp-simple/pom.xml @@ -8,10 +8,10 @@ spring-amqp-simple - parent-boot-1 + parent-boot-2 com.baeldung 0.0.1-SNAPSHOT - ../parent-boot-1 + ../parent-boot-2 diff --git a/spring-amqp-simple/src/main/java/com/baeldung/springamqpsimple/SpringAmqpConfig.java b/spring-amqp-simple/src/main/java/com/baeldung/springamqpsimple/SpringAmqpConfig.java index f6c82b635e..92fa28ed6f 100644 --- a/spring-amqp-simple/src/main/java/com/baeldung/springamqpsimple/SpringAmqpConfig.java +++ b/spring-amqp-simple/src/main/java/com/baeldung/springamqpsimple/SpringAmqpConfig.java @@ -35,7 +35,7 @@ public class SpringAmqpConfig { } @Bean - SimpleMessageListenerContainer container(ConnectionFactory connectionFactory, + SimpleMessageListenerContainer springAmqpContainer(ConnectionFactory connectionFactory, MessageListenerAdapter listenerAdapter) { SimpleMessageListenerContainer container = new SimpleMessageListenerContainer(); container.setConnectionFactory(connectionFactory); diff --git a/spring-amqp-simple/src/main/java/com/baeldung/springamqpsimple/broadcast/BroadcastConfig.java b/spring-amqp-simple/src/main/java/com/baeldung/springamqpsimple/broadcast/BroadcastConfig.java index 1d02b4dad9..868cfff0ac 100644 --- a/spring-amqp-simple/src/main/java/com/baeldung/springamqpsimple/broadcast/BroadcastConfig.java +++ b/spring-amqp-simple/src/main/java/com/baeldung/springamqpsimple/broadcast/BroadcastConfig.java @@ -61,7 +61,7 @@ public class BroadcastConfig { } @Bean - public SimpleRabbitListenerContainerFactory container(ConnectionFactory connectionFactory, SimpleRabbitListenerContainerFactoryConfigurer configurer) { + public SimpleRabbitListenerContainerFactory broadcastContainer(ConnectionFactory connectionFactory, SimpleRabbitListenerContainerFactoryConfigurer configurer) { SimpleRabbitListenerContainerFactory factory = new SimpleRabbitListenerContainerFactory(); configurer.configure(factory, connectionFactory); return factory; diff --git a/spring-amqp-simple/src/test/java/org/baeldung/SpringContextIntegrationTest.java b/spring-amqp-simple/src/test/java/org/baeldung/SpringContextManualTest.java similarity index 90% rename from spring-amqp-simple/src/test/java/org/baeldung/SpringContextIntegrationTest.java rename to spring-amqp-simple/src/test/java/org/baeldung/SpringContextManualTest.java index f134074cf8..03cb34eeb5 100644 --- a/spring-amqp-simple/src/test/java/org/baeldung/SpringContextIntegrationTest.java +++ b/spring-amqp-simple/src/test/java/org/baeldung/SpringContextManualTest.java @@ -9,7 +9,7 @@ import com.baeldung.springamqpsimple.SpringAmqpApplication; @RunWith(SpringRunner.class) @SpringBootTest(classes = SpringAmqpApplication.class) -public class SpringContextIntegrationTest { +public class SpringContextManualTest { @Test public void whenSpringContextIsBootstrapped_thenNoExceptions() { diff --git a/spring-amqp-simple/src/test/resources/application.yaml b/spring-amqp-simple/src/test/resources/application.yaml new file mode 100644 index 0000000000..aa7a91bac5 --- /dev/null +++ b/spring-amqp-simple/src/test/resources/application.yaml @@ -0,0 +1,5 @@ +spring: + rabbitmq: + username: guest + password: guest + host: localhost \ No newline at end of file diff --git a/spring-amqp/pom.xml b/spring-amqp/pom.xml index e08a4243b3..c021bd49ff 100755 --- a/spring-amqp/pom.xml +++ b/spring-amqp/pom.xml @@ -4,8 +4,8 @@ com.baeldung spring-amqp 0.1-SNAPSHOT - jar spring-amqp + jar Introduction to Spring-AMQP diff --git a/spring-aop/pom.xml b/spring-aop/pom.xml index 368f3ada14..a1e2ffd534 100644 --- a/spring-aop/pom.xml +++ b/spring-aop/pom.xml @@ -2,14 +2,14 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 spring-aop - war spring-aop + war - parent-boot-1 + parent-boot-2 com.baeldung 0.0.1-SNAPSHOT - ../parent-boot-1 + ../parent-boot-2 diff --git a/spring-apache-camel/pom.xml b/spring-apache-camel/pom.xml index 662b3f899c..3e76c0c7f1 100644 --- a/spring-apache-camel/pom.xml +++ b/spring-apache-camel/pom.xml @@ -3,9 +3,9 @@ 4.0.0 org.apache.camel spring-apache-camel - jar 1.0-SNAPSHOT spring-apache-camel + jar http://maven.apache.org diff --git a/spring-batch/pom.xml b/spring-batch/pom.xml index cfd725b2bd..e81078568b 100644 --- a/spring-batch/pom.xml +++ b/spring-batch/pom.xml @@ -4,8 +4,8 @@ com.baeldung spring-batch 0.1-SNAPSHOT - jar spring-batch + jar http://maven.apache.org diff --git a/spring-boot-admin/spring-boot-admin-client/pom.xml b/spring-boot-admin/spring-boot-admin-client/pom.xml index ea03d6ef6d..7563a01172 100644 --- a/spring-boot-admin/spring-boot-admin-client/pom.xml +++ b/spring-boot-admin/spring-boot-admin-client/pom.xml @@ -4,9 +4,9 @@ 4.0.0 spring-boot-admin-client 0.0.1-SNAPSHOT - jar spring-boot-admin-client Spring Boot Admin Client + jar spring-boot-admin diff --git a/spring-boot-admin/spring-boot-admin-server/pom.xml b/spring-boot-admin/spring-boot-admin-server/pom.xml index d8e7bb5574..d429d9289f 100644 --- a/spring-boot-admin/spring-boot-admin-server/pom.xml +++ b/spring-boot-admin/spring-boot-admin-server/pom.xml @@ -4,9 +4,9 @@ 4.0.0 spring-boot-admin-server 0.0.1-SNAPSHOT - jar spring-boot-admin-server Spring Boot Admin Server + jar spring-boot-admin diff --git a/spring-boot-angular-ecommerce/pom.xml b/spring-boot-angular-ecommerce/pom.xml index dc92a91d02..a5296eade8 100644 --- a/spring-boot-angular-ecommerce/pom.xml +++ b/spring-boot-angular-ecommerce/pom.xml @@ -2,12 +2,10 @@ 4.0.0 - spring-boot-angular-ecommerce 0.0.1-SNAPSHOT - jar - spring-boot-angular-ecommerce + jar Spring Boot Angular E-commerce Appliciation diff --git a/spring-boot-angular/pom.xml b/spring-boot-angular/pom.xml new file mode 100644 index 0000000000..6ea98eb3d0 --- /dev/null +++ b/spring-boot-angular/pom.xml @@ -0,0 +1,50 @@ + + + 4.0.0 + com.baeldung.springbootangular + spring-boot-angular + spring-boot-angular + 1.0 + jar + + parent-boot-2 + com.baeldung + 0.0.1-SNAPSHOT + ../../parent-boot-2 + + + 1.8 + + + + + org.springframework.boot + spring-boot-starter-data-jpa + + + org.springframework.boot + spring-boot-starter-web + + + com.h2database + h2 + 1.4.197 + runtime + + + org.springframework.boot + spring-boot-starter-test + test + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + + diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/.angular-cli.json b/spring-boot-angular/src/main/java/com/baeldung/angularclient/.angular-cli.json new file mode 100644 index 0000000000..3de2a62f41 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/.angular-cli.json @@ -0,0 +1,60 @@ +{ + "$schema": "./node_modules/@angular/cli/lib/config/schema.json", + "project": { + "name": "sampleapp" + }, + "apps": [ + { + "root": "src", + "outDir": "dist", + "assets": [ + "assets", + "favicon.ico" + ], + "index": "index.html", + "main": "main.ts", + "polyfills": "polyfills.ts", + "test": "test.ts", + "tsconfig": "tsconfig.app.json", + "testTsconfig": "tsconfig.spec.json", + "prefix": "app", + "styles": [ + "styles.css" + ], + "scripts": [], + "environmentSource": "environments/environment.ts", + "environments": { + "dev": "environments/environment.ts", + "prod": "environments/environment.prod.ts" + } + } + ], + "e2e": { + "protractor": { + "config": "./protractor.conf.js" + } + }, + "lint": [ + { + "project": "src/tsconfig.app.json", + "exclude": "**/node_modules/**" + }, + { + "project": "src/tsconfig.spec.json", + "exclude": "**/node_modules/**" + }, + { + "project": "e2e/tsconfig.e2e.json", + "exclude": "**/node_modules/**" + } + ], + "test": { + "karma": { + "config": "./karma.conf.js" + } + }, + "defaults": { + "styleExt": "css", + "component": {} + } +} diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/.editorconfig b/spring-boot-angular/src/main/java/com/baeldung/angularclient/.editorconfig new file mode 100644 index 0000000000..6e87a003da --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/.editorconfig @@ -0,0 +1,13 @@ +# Editor configuration, see http://editorconfig.org +root = true + +[*] +charset = utf-8 +indent_style = space +indent_size = 2 +insert_final_newline = true +trim_trailing_whitespace = true + +[*.md] +max_line_length = off +trim_trailing_whitespace = false diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/.gitignore b/spring-boot-angular/src/main/java/com/baeldung/angularclient/.gitignore new file mode 100644 index 0000000000..eabf65e51a --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/.gitignore @@ -0,0 +1,44 @@ +# See http://help.github.com/ignore-files/ for more about ignoring files. + +# compiled output +/dist +/dist-server +/tmp +/out-tsc + +# dependencies +/node_modules + +# IDEs and editors +/.idea +.project +.classpath +.c9/ +*.launch +.settings/ +*.sublime-workspace + +# IDE - VSCode +.vscode/* +!.vscode/settings.json +!.vscode/tasks.json +!.vscode/launch.json +!.vscode/extensions.json + +# misc +/.sass-cache +/connect.lock +/coverage +/libpeerconnection.log +npm-debug.log +yarn-error.log +testem.log +/typings + +# e2e +/e2e/*.js +/e2e/*.map + +# System Files +.DS_Store +Thumbs.db diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/README.md b/spring-boot-angular/src/main/java/com/baeldung/angularclient/README.md new file mode 100644 index 0000000000..6fec59bc13 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/README.md @@ -0,0 +1,27 @@ +# Sampleapp + +This project was generated with [Angular CLI](https://github.com/angular/angular-cli) version 1.7.4. + +## Development server + +Run `ng serve` for a dev server. Navigate to `http://localhost:4200/`. The app will automatically reload if you change any of the source files. + +## Code scaffolding + +Run `ng generate component component-name` to generate a new component. You can also use `ng generate directive|pipe|service|class|guard|interface|enum|module`. + +## Build + +Run `ng build` to build the project. The build artifacts will be stored in the `dist/` directory. Use the `-prod` flag for a production build. + +## Running unit tests + +Run `ng test` to execute the unit tests via [Karma](https://karma-runner.github.io). + +## Running end-to-end tests + +Run `ng e2e` to execute the end-to-end tests via [Protractor](http://www.protractortest.org/). + +## Further help + +To get more help on the Angular CLI use `ng help` or go check out the [Angular CLI README](https://github.com/angular/angular-cli/blob/master/README.md). diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/e2e/app.e2e-spec.ts b/spring-boot-angular/src/main/java/com/baeldung/angularclient/e2e/app.e2e-spec.ts new file mode 100644 index 0000000000..d72f8a4e91 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/e2e/app.e2e-spec.ts @@ -0,0 +1,14 @@ +import { AppPage } from './app.po'; + +describe('sampleapp App', () => { + let page: AppPage; + + beforeEach(() => { + page = new AppPage(); + }); + + it('should display welcome message', () => { + page.navigateTo(); + expect(page.getParagraphText()).toEqual('Welcome to app!'); + }); +}); diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/e2e/app.po.ts b/spring-boot-angular/src/main/java/com/baeldung/angularclient/e2e/app.po.ts new file mode 100644 index 0000000000..82ea75ba50 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/e2e/app.po.ts @@ -0,0 +1,11 @@ +import { browser, by, element } from 'protractor'; + +export class AppPage { + navigateTo() { + return browser.get('/'); + } + + getParagraphText() { + return element(by.css('app-root h1')).getText(); + } +} diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/e2e/tsconfig.e2e.json b/spring-boot-angular/src/main/java/com/baeldung/angularclient/e2e/tsconfig.e2e.json new file mode 100644 index 0000000000..1d9e5edf09 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/e2e/tsconfig.e2e.json @@ -0,0 +1,14 @@ +{ + "extends": "../tsconfig.json", + "compilerOptions": { + "outDir": "../out-tsc/e2e", + "baseUrl": "./", + "module": "commonjs", + "target": "es5", + "types": [ + "jasmine", + "jasminewd2", + "node" + ] + } +} diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/karma.conf.js b/spring-boot-angular/src/main/java/com/baeldung/angularclient/karma.conf.js new file mode 100644 index 0000000000..af139fada3 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/karma.conf.js @@ -0,0 +1,33 @@ +// Karma configuration file, see link for more information +// https://karma-runner.github.io/1.0/config/configuration-file.html + +module.exports = function (config) { + config.set({ + basePath: '', + frameworks: ['jasmine', '@angular/cli'], + plugins: [ + require('karma-jasmine'), + require('karma-chrome-launcher'), + require('karma-jasmine-html-reporter'), + require('karma-coverage-istanbul-reporter'), + require('@angular/cli/plugins/karma') + ], + client:{ + clearContext: false // leave Jasmine Spec Runner output visible in browser + }, + coverageIstanbulReporter: { + reports: [ 'html', 'lcovonly' ], + fixWebpackSourcePaths: true + }, + angularCli: { + environment: 'dev' + }, + reporters: ['progress', 'kjhtml'], + port: 9876, + colors: true, + logLevel: config.LOG_INFO, + autoWatch: true, + browsers: ['Chrome'], + singleRun: false + }); +}; diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/package-lock.json b/spring-boot-angular/src/main/java/com/baeldung/angularclient/package-lock.json new file mode 100644 index 0000000000..9ddc0a9ae0 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/package-lock.json @@ -0,0 +1,12627 @@ +{ + "name": "sampleapp", + "version": "0.0.0", + "lockfileVersion": 1, + "requires": true, + "dependencies": { + "@angular-devkit/build-optimizer": { + "version": "0.3.2", + "resolved": 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"https://registry.npmjs.org/zone.js/-/zone.js-0.8.29.tgz", + "integrity": "sha512-mla2acNCMkWXBD+c+yeUrBUrzOxYMNFdQ6FGfigGGtEVBPJx07BQeJekjt9DmH1FtZek4E9rE1eRR9qQpxACOQ==" + } + } +} diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/package.json b/spring-boot-angular/src/main/java/com/baeldung/angularclient/package.json new file mode 100644 index 0000000000..a745cf671a --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/package.json @@ -0,0 +1,48 @@ +{ + "name": "sampleapp", + "version": "0.0.0", + "license": "MIT", + "scripts": { + "ng": "ng", + "start": "ng serve", + "build": "ng build --prod", + "test": "ng test", + "lint": "ng lint", + "e2e": "ng e2e" + }, + "private": true, + "dependencies": { + "@angular/animations": "^5.2.0", + "@angular/common": "^5.2.0", + "@angular/compiler": "^5.2.0", + "@angular/core": "^5.2.0", + "@angular/forms": "^5.2.0", + "@angular/http": "^5.2.0", + "@angular/platform-browser": "^5.2.0", + "@angular/platform-browser-dynamic": "^5.2.0", + "@angular/router": "^5.2.0", + "core-js": "^2.4.1", + "rxjs": "^5.5.6", + "zone.js": "^0.8.19" + }, + "devDependencies": { + "@angular/cli": "~1.7.4", + "@angular/compiler-cli": "^5.2.0", + "@angular/language-service": "^5.2.0", + "@types/jasmine": "~2.8.3", + "@types/jasminewd2": "~2.0.2", + "@types/node": "~6.0.60", + "codelyzer": "^4.0.1", + "jasmine-core": "~2.8.0", + "jasmine-spec-reporter": "~4.2.1", + "karma": "~2.0.0", + "karma-chrome-launcher": "~2.2.0", + "karma-coverage-istanbul-reporter": "^1.2.1", + "karma-jasmine": "~1.1.0", + "karma-jasmine-html-reporter": "^0.2.2", + "protractor": "~5.1.2", + "ts-node": "~4.1.0", + "tslint": "~5.9.1", + "typescript": "~2.5.3" + } +} diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/protractor.conf.js b/spring-boot-angular/src/main/java/com/baeldung/angularclient/protractor.conf.js new file mode 100644 index 0000000000..7ee3b5ee86 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/protractor.conf.js @@ -0,0 +1,28 @@ +// Protractor configuration file, see link for more information +// https://github.com/angular/protractor/blob/master/lib/config.ts + +const { SpecReporter } = require('jasmine-spec-reporter'); + +exports.config = { + allScriptsTimeout: 11000, + specs: [ + './e2e/**/*.e2e-spec.ts' + ], + capabilities: { + 'browserName': 'chrome' + }, + directConnect: true, + baseUrl: 'http://localhost:4200/', + framework: 'jasmine', + jasmineNodeOpts: { + showColors: true, + defaultTimeoutInterval: 30000, + print: function() {} + }, + onPrepare() { + require('ts-node').register({ + project: 'e2e/tsconfig.e2e.json' + }); + jasmine.getEnv().addReporter(new SpecReporter({ spec: { displayStacktrace: true } })); + } +}; diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/app-routing.module.ts b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/app-routing.module.ts new file mode 100644 index 0000000000..ecc848ac37 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/app-routing.module.ts @@ -0,0 +1,15 @@ +import { NgModule } from '@angular/core'; +import { Routes, RouterModule } from '@angular/router'; +import { UserListComponent } from './user-list/user-list.component'; +import { UserFormComponent } from './user-form/user-form.component'; + +const routes: Routes = [ + { path: 'users', component: UserListComponent }, + { path: 'adduser', component: UserFormComponent } +]; + +@NgModule({ + imports: [RouterModule.forRoot(routes)], + exports: [RouterModule] +}) +export class AppRoutingModule { } diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/app.component.css b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/app.component.css new file mode 100644 index 0000000000..e69de29bb2 diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/app.component.html b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/app.component.html new file mode 100644 index 0000000000..144a77ffe3 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/app.component.html @@ -0,0 +1,16 @@ +
+
+
+
+
+

{{ title }}

+ +
+
+ +
+
+
\ No newline at end of file diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/app.component.spec.ts b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/app.component.spec.ts new file mode 100644 index 0000000000..e4ca195309 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/app.component.spec.ts @@ -0,0 +1,31 @@ +import { TestBed, async } from '@angular/core/testing'; +import { RouterTestingModule } from '@angular/router/testing'; +import { AppComponent } from './app.component'; +describe('AppComponent', () => { + beforeEach(async(() => { + TestBed.configureTestingModule({ + imports: [ + RouterTestingModule + ], + declarations: [ + AppComponent + ], + }).compileComponents(); + })); + it('should create the app', async(() => { + const fixture = TestBed.createComponent(AppComponent); + const app = fixture.debugElement.componentInstance; + expect(app).toBeTruthy(); + })); + it(`should have as title 'app'`, async(() => { + const fixture = TestBed.createComponent(AppComponent); + const app = fixture.debugElement.componentInstance; + expect(app.title).toEqual('app'); + })); + it('should render title in a h1 tag', async(() => { + const fixture = TestBed.createComponent(AppComponent); + fixture.detectChanges(); + const compiled = fixture.debugElement.nativeElement; + expect(compiled.querySelector('h1').textContent).toContain('Welcome to app!'); + })); +}); diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/app.component.ts b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/app.component.ts new file mode 100644 index 0000000000..b14112f90b --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/app.component.ts @@ -0,0 +1,15 @@ +import { Component } from '@angular/core'; + +@Component({ + selector: 'app-root', + templateUrl: './app.component.html', + styleUrls: ['./app.component.css'] +}) +export class AppComponent { + + title: string; + + constructor() { + this.title = 'Spring Boot - Angular Application'; + } +} diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/app.module.ts b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/app.module.ts new file mode 100644 index 0000000000..3c6c070d96 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/app.module.ts @@ -0,0 +1,26 @@ +import { BrowserModule } from '@angular/platform-browser'; +import { NgModule } from '@angular/core'; +import { AppRoutingModule } from './app-routing.module'; +import { FormsModule } from '@angular/forms'; +import { HttpClientModule } from '@angular/common/http'; +import { AppComponent } from './app.component'; +import { UserListComponent } from './user-list/user-list.component'; +import { UserFormComponent } from './user-form/user-form.component'; +import { UserService } from './service/user.service'; + +@NgModule({ + declarations: [ + AppComponent, + UserListComponent, + UserFormComponent + ], + imports: [ + BrowserModule, + AppRoutingModule, + HttpClientModule, + FormsModule + ], + providers: [UserService], + bootstrap: [AppComponent] +}) +export class AppModule { } diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/model/user.ts b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/model/user.ts new file mode 100644 index 0000000000..f78cda4bf9 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/model/user.ts @@ -0,0 +1,5 @@ +export class User { + id: string; + name: string; + email: string; +} diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/service/user.service.spec.ts b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/service/user.service.spec.ts new file mode 100644 index 0000000000..b26195c25d --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/service/user.service.spec.ts @@ -0,0 +1,15 @@ +import { TestBed, inject } from '@angular/core/testing'; + +import { UserService } from './user.service'; + +describe('UserService', () => { + beforeEach(() => { + TestBed.configureTestingModule({ + providers: [UserService] + }); + }); + + it('should be created', inject([UserService], (service: UserService) => { + expect(service).toBeTruthy(); + })); +}); diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/service/user.service.ts b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/service/user.service.ts new file mode 100644 index 0000000000..e587632017 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/service/user.service.ts @@ -0,0 +1,22 @@ +import { Injectable } from '@angular/core'; +import { HttpClient, HttpHeaders } from '@angular/common/http'; +import { User } from '../model/user'; +import { Observable } from 'rxjs/Observable'; + +@Injectable() +export class UserService { + + private usersUrl: string; + + constructor(private http: HttpClient) { + this.usersUrl = 'http://localhost:8080/users'; + } + + public findAll(): Observable { + return this.http.get(this.usersUrl); + } + + public save(user: User) { + return this.http.post(this.usersUrl, user); + } +} diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-form/user-form.component.css b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-form/user-form.component.css new file mode 100644 index 0000000000..e69de29bb2 diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-form/user-form.component.html b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-form/user-form.component.html new file mode 100644 index 0000000000..7cf1800e50 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-form/user-form.component.html @@ -0,0 +1,19 @@ +
+
+
+
+ + +
+
Name is required
+
+ + +
Email is required
+
+ +
+
+
\ No newline at end of file diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-form/user-form.component.spec.ts b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-form/user-form.component.spec.ts new file mode 100644 index 0000000000..9e613476f5 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-form/user-form.component.spec.ts @@ -0,0 +1,25 @@ +import { async, ComponentFixture, TestBed } from '@angular/core/testing'; + +import { UserFormComponent } from './user-form.component'; + +describe('UserFormComponent', () => { + let component: UserFormComponent; + let fixture: ComponentFixture; + + beforeEach(async(() => { + TestBed.configureTestingModule({ + declarations: [ UserFormComponent ] + }) + .compileComponents(); + })); + + beforeEach(() => { + fixture = TestBed.createComponent(UserFormComponent); + component = fixture.componentInstance; + fixture.detectChanges(); + }); + + it('should create', () => { + expect(component).toBeTruthy(); + }); +}); diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-form/user-form.component.ts b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-form/user-form.component.ts new file mode 100644 index 0000000000..869d53aede --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-form/user-form.component.ts @@ -0,0 +1,26 @@ +import { Component } from '@angular/core'; +import { ActivatedRoute, Router } from '@angular/router'; +import { UserService } from '../service/user.service'; +import { User } from '../model/user'; + +@Component({ + selector: 'app-user-form', + templateUrl: './user-form.component.html', + styleUrls: ['./user-form.component.css'] +}) +export class UserFormComponent { + + user: User; + + constructor(private route: ActivatedRoute, private router: Router, private userService: UserService) { + this.user = new User(); + } + + onSubmit() { + this.userService.save(this.user).subscribe(result => this.gotoUserList()); + } + + gotoUserList() { + this.router.navigate(['/users']); + } +} diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-list/user-list.component.css b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-list/user-list.component.css new file mode 100644 index 0000000000..e69de29bb2 diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-list/user-list.component.html b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-list/user-list.component.html new file mode 100644 index 0000000000..1ac849f552 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-list/user-list.component.html @@ -0,0 +1,20 @@ +
+
+ + + + + + + + + + + + + + + +
#NameEmail
{{ user.id }}{{ user.name }}{{ user.email }}
+
+
\ No newline at end of file diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-list/user-list.component.spec.ts b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-list/user-list.component.spec.ts new file mode 100644 index 0000000000..9d521807d6 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-list/user-list.component.spec.ts @@ -0,0 +1,25 @@ +import { async, ComponentFixture, TestBed } from '@angular/core/testing'; + +import { UserListComponent } from './user-list.component'; + +describe('UserListComponent', () => { + let component: UserListComponent; + let fixture: ComponentFixture; + + beforeEach(async(() => { + TestBed.configureTestingModule({ + declarations: [ UserListComponent ] + }) + .compileComponents(); + })); + + beforeEach(() => { + fixture = TestBed.createComponent(UserListComponent); + component = fixture.componentInstance; + fixture.detectChanges(); + }); + + it('should create', () => { + expect(component).toBeTruthy(); + }); +}); diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-list/user-list.component.ts b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-list/user-list.component.ts new file mode 100644 index 0000000000..91226695f5 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/app/user-list/user-list.component.ts @@ -0,0 +1,23 @@ +import { Component, OnInit } from '@angular/core'; +import { User } from '../model/user'; +import { UserService } from '../service/user.service'; + +@Component({ + selector: 'app-user-list', + templateUrl: './user-list.component.html', + styleUrls: ['./user-list.component.css'] +}) +export class UserListComponent implements OnInit { + + users: User[]; + + constructor(private userService: UserService) { + + } + + ngOnInit() { + this.userService.findAll().subscribe(data => { + this.users = data; + }); + } +} diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/assets/.gitkeep b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/assets/.gitkeep new file mode 100644 index 0000000000..e69de29bb2 diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/environments/environment.prod.ts b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/environments/environment.prod.ts new file mode 100644 index 0000000000..3612073bc3 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/environments/environment.prod.ts @@ -0,0 +1,3 @@ +export const environment = { + production: true +}; diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/environments/environment.ts b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/environments/environment.ts new file mode 100644 index 0000000000..b7f639aeca --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/environments/environment.ts @@ -0,0 +1,8 @@ +// The file contents for the current environment will overwrite these during build. +// The build system defaults to the dev environment which uses `environment.ts`, but if you do +// `ng build --env=prod` then `environment.prod.ts` will be used instead. +// The list of which env maps to which file can be found in `.angular-cli.json`. + +export const environment = { + production: false +}; diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/favicon.ico b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/favicon.ico new file mode 100644 index 0000000000..8081c7ceaf Binary files /dev/null and b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/favicon.ico differ diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/index.html b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/index.html new file mode 100644 index 0000000000..1ce7ff1ca6 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/index.html @@ -0,0 +1,17 @@ + + + + + + Spring Boot - Angular Application + + + + + + + + + + \ No newline at end of file diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/main.ts b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/main.ts new file mode 100644 index 0000000000..91ec6da5f0 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/main.ts @@ -0,0 +1,12 @@ +import { enableProdMode } from '@angular/core'; +import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; + +import { AppModule } from './app/app.module'; +import { environment } from './environments/environment'; + +if (environment.production) { + enableProdMode(); +} + +platformBrowserDynamic().bootstrapModule(AppModule) + .catch(err => console.log(err)); diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/polyfills.ts b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/polyfills.ts new file mode 100644 index 0000000000..af84770782 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/polyfills.ts @@ -0,0 +1,79 @@ +/** + * This file includes polyfills needed by Angular and is loaded before the app. + * You can add your own extra polyfills to this file. + * + * This file is divided into 2 sections: + * 1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers. + * 2. Application imports. Files imported after ZoneJS that should be loaded before your main + * file. + * + * The current setup is for so-called "evergreen" browsers; the last versions of browsers that + * automatically update themselves. This includes Safari >= 10, Chrome >= 55 (including Opera), + * Edge >= 13 on the desktop, and iOS 10 and Chrome on mobile. + * + * Learn more in https://angular.io/docs/ts/latest/guide/browser-support.html + */ + +/*************************************************************************************************** + * BROWSER POLYFILLS + */ + +/** IE9, IE10 and IE11 requires all of the following polyfills. **/ +// import 'core-js/es6/symbol'; +// import 'core-js/es6/object'; +// import 'core-js/es6/function'; +// import 'core-js/es6/parse-int'; +// import 'core-js/es6/parse-float'; +// import 'core-js/es6/number'; +// import 'core-js/es6/math'; +// import 'core-js/es6/string'; +// import 'core-js/es6/date'; +// import 'core-js/es6/array'; +// import 'core-js/es6/regexp'; +// import 'core-js/es6/map'; +// import 'core-js/es6/weak-map'; +// import 'core-js/es6/set'; + +/** IE10 and IE11 requires the following for NgClass support on SVG elements */ +// import 'classlist.js'; // Run `npm install --save classlist.js`. + +/** IE10 and IE11 requires the following for the Reflect API. */ +// import 'core-js/es6/reflect'; + + +/** Evergreen browsers require these. **/ +// Used for reflect-metadata in JIT. If you use AOT (and only Angular decorators), you can remove. +import 'core-js/es7/reflect'; + + +/** + * Required to support Web Animations `@angular/platform-browser/animations`. + * Needed for: All but Chrome, Firefox and Opera. http://caniuse.com/#feat=web-animation + **/ +// import 'web-animations-js'; // Run `npm install --save web-animations-js`. + +/** + * By default, zone.js will patch all possible macroTask and DomEvents + * user can disable parts of macroTask/DomEvents patch by setting following flags + */ + + // (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame + // (window as any).__Zone_disable_on_property = true; // disable patch onProperty such as onclick + // (window as any).__zone_symbol__BLACK_LISTED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames + + /* + * in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js + * with the following flag, it will bypass `zone.js` patch for IE/Edge + */ +// (window as any).__Zone_enable_cross_context_check = true; + +/*************************************************************************************************** + * Zone JS is required by default for Angular itself. + */ +import 'zone.js/dist/zone'; // Included with Angular CLI. + + + +/*************************************************************************************************** + * APPLICATION IMPORTS + */ diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/styles.css b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/styles.css new file mode 100644 index 0000000000..90d4ee0072 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/styles.css @@ -0,0 +1 @@ +/* You can add global styles to this file, and also import other style files */ diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/tsconfig.app.json b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/tsconfig.app.json new file mode 100644 index 0000000000..39ba8dbacb --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/tsconfig.app.json @@ -0,0 +1,13 @@ +{ + "extends": "../tsconfig.json", + "compilerOptions": { + "outDir": "../out-tsc/app", + "baseUrl": "./", + "module": "es2015", + "types": [] + }, + "exclude": [ + "test.ts", + "**/*.spec.ts" + ] +} diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/tsconfig.spec.json b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/tsconfig.spec.json new file mode 100644 index 0000000000..ac22a298ac --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/tsconfig.spec.json @@ -0,0 +1,19 @@ +{ + "extends": "../tsconfig.json", + "compilerOptions": { + "outDir": "../out-tsc/spec", + "baseUrl": "./", + "module": "commonjs", + "types": [ + "jasmine", + "node" + ] + }, + "files": [ + "test.ts" + ], + "include": [ + "**/*.spec.ts", + "**/*.d.ts" + ] +} diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/typings.d.ts b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/typings.d.ts new file mode 100644 index 0000000000..ef5c7bd620 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/src/typings.d.ts @@ -0,0 +1,5 @@ +/* SystemJS module definition */ +declare var module: NodeModule; +interface NodeModule { + id: string; +} diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/tsconfig.json b/spring-boot-angular/src/main/java/com/baeldung/angularclient/tsconfig.json new file mode 100644 index 0000000000..a6c016bf38 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/tsconfig.json @@ -0,0 +1,19 @@ +{ + "compileOnSave": false, + "compilerOptions": { + "outDir": "./dist/out-tsc", + "sourceMap": true, + "declaration": false, + "moduleResolution": "node", + "emitDecoratorMetadata": true, + "experimentalDecorators": true, + "target": "es5", + "typeRoots": [ + "node_modules/@types" + ], + "lib": [ + "es2017", + "dom" + ] + } +} diff --git a/spring-boot-angular/src/main/java/com/baeldung/angularclient/tslint.json b/spring-boot-angular/src/main/java/com/baeldung/angularclient/tslint.json new file mode 100644 index 0000000000..9963d6c395 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/angularclient/tslint.json @@ -0,0 +1,143 @@ +{ + "rulesDirectory": [ + "node_modules/codelyzer" + ], + "rules": { + "arrow-return-shorthand": true, + "callable-types": true, + "class-name": true, + "comment-format": [ + true, + "check-space" + ], + "curly": true, + "deprecation": { + "severity": "warn" + }, + "eofline": true, + "forin": true, + "import-blacklist": [ + true, + "rxjs", + "rxjs/Rx" + ], + "import-spacing": true, + "indent": [ + true, + "spaces" + ], + "interface-over-type-literal": true, + "label-position": true, + "max-line-length": [ + true, + 140 + ], + "member-access": false, + "member-ordering": [ + true, + { + "order": [ + "static-field", + "instance-field", + "static-method", + "instance-method" + ] + } + ], + "no-arg": true, + "no-bitwise": true, + "no-console": [ + true, + "debug", + "info", + "time", + "timeEnd", + "trace" + ], + "no-construct": true, + "no-debugger": true, + "no-duplicate-super": true, + "no-empty": false, + "no-empty-interface": true, + "no-eval": true, + "no-inferrable-types": [ + true, + "ignore-params" + ], + "no-misused-new": true, + "no-non-null-assertion": true, + "no-shadowed-variable": true, + "no-string-literal": false, + "no-string-throw": true, + "no-switch-case-fall-through": true, + "no-trailing-whitespace": true, + "no-unnecessary-initializer": true, + "no-unused-expression": true, + "no-use-before-declare": true, + "no-var-keyword": true, + "object-literal-sort-keys": false, + "one-line": [ + true, + "check-open-brace", + "check-catch", + "check-else", + "check-whitespace" + ], + "prefer-const": true, + "quotemark": [ + true, + "single" + ], + "radix": true, + "semicolon": [ + true, + "always" + ], + "triple-equals": [ + true, + "allow-null-check" + ], + "typedef-whitespace": [ + true, + { + "call-signature": "nospace", + "index-signature": "nospace", + "parameter": "nospace", + "property-declaration": "nospace", + "variable-declaration": "nospace" + } + ], + "unified-signatures": true, + "variable-name": false, + "whitespace": [ + true, + "check-branch", + "check-decl", + "check-operator", + "check-separator", + "check-type" + ], + "directive-selector": [ + true, + "attribute", + "app", + "camelCase" + ], + "component-selector": [ + true, + "element", + "app", + "kebab-case" + ], + "no-output-on-prefix": true, + "use-input-property-decorator": true, + "use-output-property-decorator": true, + "use-host-property-decorator": true, + "no-input-rename": true, + "no-output-rename": true, + "use-life-cycle-interface": true, + "use-pipe-transform-interface": true, + "component-class-suffix": true, + "directive-class-suffix": true + } +} diff --git a/spring-boot-angular/src/main/java/com/baeldung/application/Application.java b/spring-boot-angular/src/main/java/com/baeldung/application/Application.java new file mode 100644 index 0000000000..f1155c3106 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/application/Application.java @@ -0,0 +1,28 @@ +package com.baeldung.application; + +import com.baeldung.application.entities.User; +import com.baeldung.application.repositories.UserRepository; +import java.util.stream.Stream; +import org.springframework.boot.CommandLineRunner; +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.Bean; + +@SpringBootApplication +public class Application { + + public static void main(String[] args) { + SpringApplication.run(Application.class, args); + } + + @Bean + CommandLineRunner init(UserRepository userRepository) { + return args -> { + Stream.of("John", "Julie", "Jennifer", "Helen", "Rachel").forEach(name -> { + User user = new User(name, name.toLowerCase() + "@domain.com"); + userRepository.save(user); + }); + userRepository.findAll().forEach(System.out::println); + }; + } +} diff --git a/spring-boot-angular/src/main/java/com/baeldung/application/controllers/UserController.java b/spring-boot-angular/src/main/java/com/baeldung/application/controllers/UserController.java new file mode 100644 index 0000000000..c101ed771f --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/application/controllers/UserController.java @@ -0,0 +1,31 @@ +package com.baeldung.application.controllers; + +import com.application.entities.User; +import com.baeldung.application.repositories.UserRepository; +import java.util.List; +import org.springframework.web.bind.annotation.CrossOrigin; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.PostMapping; +import org.springframework.web.bind.annotation.RequestBody; +import org.springframework.web.bind.annotation.RestController; + +@RestController +@CrossOrigin(origins = "http://localhost:4200") +public class UserController { + + private final UserRepository userRepository; + + public UserController(UserRepository userRepository) { + this.userRepository = userRepository; + } + + @GetMapping("/users") + public List getUsers() { + return (List) userRepository.findAll(); + } + + @PostMapping("/users") + void addUser(@RequestBody User user) { + userRepository.save(user); + } +} diff --git a/spring-boot-angular/src/main/java/com/baeldung/application/entities/User.java b/spring-boot-angular/src/main/java/com/baeldung/application/entities/User.java new file mode 100644 index 0000000000..4c346fa5b9 --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/application/entities/User.java @@ -0,0 +1,43 @@ +package com.baeldung.application.entities; + +import javax.persistence.Entity; +import javax.persistence.GeneratedValue; +import javax.persistence.GenerationType; +import javax.persistence.Id; + +@Entity +public class User { + + @Id + @GeneratedValue(strategy = GenerationType.AUTO) + private long id; + private final String name; + private final String email; + + public User() { + this.name = ""; + this.email = ""; + } + + public User(String name, String email) { + this.name = name; + this.email = email; + } + + public long getId() { + return id; + } + + public String getName() { + return name; + } + + public String getEmail() { + return email; + } + + @Override + public String toString() { + return "User{" + "id=" + id + ", name=" + name + ", email=" + email + '}'; + } +} diff --git a/spring-boot-angular/src/main/java/com/baeldung/application/repositories/UserRepository.java b/spring-boot-angular/src/main/java/com/baeldung/application/repositories/UserRepository.java new file mode 100644 index 0000000000..f8ef5a4c0c --- /dev/null +++ b/spring-boot-angular/src/main/java/com/baeldung/application/repositories/UserRepository.java @@ -0,0 +1,10 @@ +package com.baeldung.application.repositories; + +import com.baeldung.application.entities.User; +import org.springframework.data.repository.CrudRepository; +import org.springframework.stereotype.Repository; +import org.springframework.web.bind.annotation.CrossOrigin; + +@Repository +@CrossOrigin(origins = "http://localhost:4200") +public interface UserRepository extends CrudRepository{} diff --git a/spring-boot-autoconfiguration/pom.xml b/spring-boot-autoconfiguration/pom.xml index 1c3d8796ed..91692ebfff 100644 --- a/spring-boot-autoconfiguration/pom.xml +++ b/spring-boot-autoconfiguration/pom.xml @@ -4,8 +4,8 @@ com.baeldung spring-boot-autoconfiguration 0.0.1-SNAPSHOT - war spring-boot-autoconfiguration + war This is simple boot application demonstrating a custom auto-configuration diff --git a/spring-boot-autoconfiguration/src/test/java/com/baeldung/SpringContextLiveTest.java b/spring-boot-autoconfiguration/src/test/java/com/baeldung/SpringContextLiveTest.java new file mode 100644 index 0000000000..494013d1d9 --- /dev/null +++ b/spring-boot-autoconfiguration/src/test/java/com/baeldung/SpringContextLiveTest.java @@ -0,0 +1,19 @@ +package com.baeldung; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.test.context.ContextConfiguration; +import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; +import org.springframework.test.context.web.WebAppConfiguration; + +import com.baeldung.autoconfiguration.MySQLAutoconfiguration; + +@RunWith(SpringJUnit4ClassRunner.class) +@ContextConfiguration(classes = MySQLAutoconfiguration.class) +@WebAppConfiguration +public class SpringContextLiveTest { + + @Test + public void whenSpringContextIsBootstrapped_thenNoExceptions() { + } +} \ No newline at end of file diff --git a/spring-boot-bootstrap/README.md b/spring-boot-bootstrap/README.md index 76b977c129..70fcd90118 100644 --- a/spring-boot-bootstrap/README.md +++ b/spring-boot-bootstrap/README.md @@ -1,7 +1,8 @@ ### Relevant Articles: -- [Bootstrap a Simple Application using Spring Boot](http://www.baeldung.com/spring-boot-start) +- [Spring Boot Tutorial – Bootstrap a Simple Application](http://www.baeldung.com/spring-boot-start) - [Spring Boot Dependency Management with a Custom Parent](http://www.baeldung.com/spring-boot-dependency-management-custom-parent) - [Thin JARs with Spring Boot](http://www.baeldung.com/spring-boot-thin-jar) - [Deploying a Spring Boot Application to Cloud Foundry](https://www.baeldung.com/spring-boot-app-deploy-to-cloud-foundry) - [Deploy a Spring Boot Application to Google App Engine](https://www.baeldung.com/spring-boot-google-app-engine) - [Deploy a Spring Boot Application to OpenShift](https://www.baeldung.com/spring-boot-deploy-openshift) +- [Deploy a Spring Boot Application to AWS Beanstalk](https://www.baeldung.com/spring-boot-deploy-aws-beanstalk) diff --git a/spring-boot-bootstrap/pom.xml b/spring-boot-bootstrap/pom.xml index 7cafc5aa24..70ebb225c8 100644 --- a/spring-boot-bootstrap/pom.xml +++ b/spring-boot-bootstrap/pom.xml @@ -4,16 +4,18 @@ 4.0.0 com.baeldung spring-boot-bootstrap - jar spring-boot-bootstrap Demo project for Spring Boot - + jar + + parent-boot-2 com.baeldung 0.0.1-SNAPSHOT ../parent-boot-2 - + + org.springframework.boot spring-boot-starter-web @@ -57,11 +59,32 @@ + + beanstalk + + ${project.name}-eb + + + org.springframework.boot + spring-boot-maven-plugin + + + org.apache.maven.plugins + maven-compiler-plugin + + + **/cloud/config/*.java + + + + + + openshift 0.3.0.RELEASE - Finchley.SR2 + Greenwich.RELEASE 3.5.37 @@ -143,7 +166,7 @@ org.springframework.cloud spring-cloud-dependencies - Finchley.SR1 + Greenwich.RELEASE pom import @@ -191,7 +214,7 @@ org.springframework.cloud spring-cloud-dependencies - Finchley.SR1 + Greenwich.RELEASE pom import @@ -291,7 +314,8 @@ - + + org.apache.maven.plugins @@ -304,7 +328,8 @@ - + + 4.0.0 diff --git a/spring-boot-bootstrap/src/main/java/com/baeldung/Application.java b/spring-boot-bootstrap/src/main/java/com/baeldung/Application.java index 567e9b2678..d5a597e48b 100644 --- a/spring-boot-bootstrap/src/main/java/com/baeldung/Application.java +++ b/spring-boot-bootstrap/src/main/java/com/baeldung/Application.java @@ -4,12 +4,10 @@ import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.autoconfigure.domain.EntityScan; import org.springframework.boot.web.servlet.ServletComponentScan; -import org.springframework.context.annotation.ComponentScan; import org.springframework.data.jpa.repository.config.EnableJpaRepositories; @ServletComponentScan -@SpringBootApplication -@ComponentScan("com.baeldung") +@SpringBootApplication(scanBasePackages = "com.baeldung") @EnableJpaRepositories("com.baeldung.persistence.repo") @EntityScan("com.baeldung.persistence.model") public class Application { diff --git a/spring-boot-bootstrap/src/main/resources/application-beanstalk.properties b/spring-boot-bootstrap/src/main/resources/application-beanstalk.properties new file mode 100644 index 0000000000..de03a3b5bb --- /dev/null +++ b/spring-boot-bootstrap/src/main/resources/application-beanstalk.properties @@ -0,0 +1,3 @@ +spring.datasource.url=jdbc:mysql://${rds.hostname}:${rds.port}/${rds.db.name} +spring.datasource.username=${rds.username} +spring.datasource.password=${rds.password} \ No newline at end of file diff --git a/spring-boot-bootstrap/src/main/resources/templates/error.html b/spring-boot-bootstrap/src/main/resources/templates/error.html index f2b51a1938..ca3a740b71 100644 --- a/spring-boot-bootstrap/src/main/resources/templates/error.html +++ b/spring-boot-bootstrap/src/main/resources/templates/error.html @@ -1,19 +1,19 @@ - + Error Occurred
-

Error Occurred!

-
- \ No newline at end of file + diff --git a/spring-boot-bootstrap/src/main/resources/templates/home.html b/spring-boot-bootstrap/src/main/resources/templates/home.html index 5707cfb82a..0428ca1127 100644 --- a/spring-boot-bootstrap/src/main/resources/templates/home.html +++ b/spring-boot-bootstrap/src/main/resources/templates/home.html @@ -1,7 +1,7 @@ - + Home Page

Hello !

Welcome to Our App

- \ No newline at end of file + diff --git a/spring-boot-client/pom.xml b/spring-boot-client/pom.xml index fc89931f79..4850849039 100644 --- a/spring-boot-client/pom.xml +++ b/spring-boot-client/pom.xml @@ -4,8 +4,8 @@ com.baeldung spring-boot-client 0.0.1-SNAPSHOT - war spring-boot-client + war This is simple boot client application for Spring boot actuator test diff --git a/spring-boot-crud/pom.xml b/spring-boot-crud/pom.xml index 749bf9cb5a..73635b0a1c 100644 --- a/spring-boot-crud/pom.xml +++ b/spring-boot-crud/pom.xml @@ -3,15 +3,14 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> 4.0.0 - com.baeldung.spring-boot-crud spring-boot-crud - 0.1.0 spring-boot-crud - org.springframework.boot - spring-boot-starter-parent - 2.0.6.RELEASE + parent-boot-2 + com.baeldung + 0.0.1-SNAPSHOT + ../parent-boot-2 @@ -41,11 +40,7 @@ h2 runtime - - - UTF-8 - 1.8 - + spring-boot-crud @@ -62,4 +57,10 @@ + + + UTF-8 + 1.8 + + \ No newline at end of file diff --git a/spring-boot-data/README.md b/spring-boot-data/README.md new file mode 100644 index 0000000000..21f7303c48 --- /dev/null +++ b/spring-boot-data/README.md @@ -0,0 +1,2 @@ +### Relevant Articles: +- [Formatting JSON Dates in Spring ](https://www.baeldung.com/spring-boot-formatting-json-dates) \ No newline at end of file diff --git a/spring-boot-data/pom.xml b/spring-boot-data/pom.xml new file mode 100644 index 0000000000..9ef4cc69c8 --- /dev/null +++ b/spring-boot-data/pom.xml @@ -0,0 +1,122 @@ + + + 4.0.0 + spring-boot-data + war + spring-boot-data + Spring Boot Data Module + + + parent-boot-2 + com.baeldung + 0.0.1-SNAPSHOT + ../parent-boot-2 + + + + + org.springframework.boot + spring-boot-starter-web + + + + org.springframework.boot + spring-boot-starter-tomcat + provided + + + org.springframework.boot + spring-boot-starter-test + test + + + + + + spring-boot + + + src/main/resources + true + + + + + + org.apache.maven.plugins + maven-war-plugin + + + + pl.project13.maven + git-commit-id-plugin + ${git-commit-id-plugin.version} + + + get-the-git-infos + + revision + + initialize + + + validate-the-git-infos + + validateRevision + + package + + + + true + ${project.build.outputDirectory}/git.properties + + + + + + + + + autoconfiguration + + + + org.apache.maven.plugins + maven-surefire-plugin + + + integration-test + + test + + + + **/*LiveTest.java + **/*IntegrationTest.java + **/*IntTest.java + + + **/AutoconfigurationTest.java + + + + + + + json + + + + + + + + + + com.baeldung.SpringBootDataApplication + 2.2.4 + + + \ No newline at end of file diff --git a/spring-boot-data/src/main/java/com/baeldung/SpringBootDataApplication.java b/spring-boot-data/src/main/java/com/baeldung/SpringBootDataApplication.java new file mode 100644 index 0000000000..3aa093bb41 --- /dev/null +++ b/spring-boot-data/src/main/java/com/baeldung/SpringBootDataApplication.java @@ -0,0 +1,13 @@ +package com.baeldung; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class SpringBootDataApplication { + + public static void main(String[] args) { + SpringApplication.run(SpringBootDataApplication.class, args); + } + +} diff --git a/spring-boot-data/src/main/java/com/baeldung/jsondateformat/Contact.java b/spring-boot-data/src/main/java/com/baeldung/jsondateformat/Contact.java new file mode 100644 index 0000000000..f131d17196 --- /dev/null +++ b/spring-boot-data/src/main/java/com/baeldung/jsondateformat/Contact.java @@ -0,0 +1,70 @@ +package com.baeldung.jsondateformat; + +import com.fasterxml.jackson.annotation.JsonFormat; + +import java.time.LocalDate; +import java.time.LocalDateTime; + +public class Contact { + + private String name; + private String address; + private String phone; + + @JsonFormat(pattern="yyyy-MM-dd") + private LocalDate birthday; + + @JsonFormat(pattern="yyyy-MM-dd HH:mm:ss") + private LocalDateTime lastUpdate; + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public String getAddress() { + return address; + } + + public void setAddress(String address) { + this.address = address; + } + + public String getPhone() { + return phone; + } + + public void setPhone(String phone) { + this.phone = phone; + } + + public LocalDate getBirthday() { + return birthday; + } + + public void setBirthday(LocalDate birthday) { + this.birthday = birthday; + } + + public LocalDateTime getLastUpdate() { + return lastUpdate; + } + + public void setLastUpdate(LocalDateTime lastUpdate) { + this.lastUpdate = lastUpdate; + } + + public Contact() { + } + + public Contact(String name, String address, String phone, LocalDate birthday, LocalDateTime lastUpdate) { + this.name = name; + this.address = address; + this.phone = phone; + this.birthday = birthday; + this.lastUpdate = lastUpdate; + } +} diff --git a/spring-boot-data/src/main/java/com/baeldung/jsondateformat/ContactApp.java b/spring-boot-data/src/main/java/com/baeldung/jsondateformat/ContactApp.java new file mode 100644 index 0000000000..79037e1038 --- /dev/null +++ b/spring-boot-data/src/main/java/com/baeldung/jsondateformat/ContactApp.java @@ -0,0 +1,13 @@ +package com.baeldung.jsondateformat; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class ContactApp { + + public static void main(String[] args) { + SpringApplication.run(ContactApp.class, args); + } + +} diff --git a/spring-boot-data/src/main/java/com/baeldung/jsondateformat/ContactAppConfig.java b/spring-boot-data/src/main/java/com/baeldung/jsondateformat/ContactAppConfig.java new file mode 100644 index 0000000000..7a20ebfa51 --- /dev/null +++ b/spring-boot-data/src/main/java/com/baeldung/jsondateformat/ContactAppConfig.java @@ -0,0 +1,33 @@ +package com.baeldung.jsondateformat; + +import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer; +import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer; +import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; +import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder; + +import java.time.format.DateTimeFormatter; + +@Configuration +public class ContactAppConfig { + + private static final String dateFormat = "yyyy-MM-dd"; + + private static final String dateTimeFormat = "yyyy-MM-dd HH:mm:ss"; + + @Bean + @ConditionalOnProperty(value = "spring.jackson.date-format", matchIfMissing = true, havingValue = "none") + public Jackson2ObjectMapperBuilderCustomizer jsonCustomizer() { + return new Jackson2ObjectMapperBuilderCustomizer() { + @Override + public void customize(Jackson2ObjectMapperBuilder builder) { + builder.simpleDateFormat(dateTimeFormat); + builder.serializers(new LocalDateSerializer(DateTimeFormatter.ofPattern(dateFormat))); + builder.serializers(new LocalDateTimeSerializer(DateTimeFormatter.ofPattern(dateTimeFormat))); + } + }; + } + +} diff --git a/spring-boot-data/src/main/java/com/baeldung/jsondateformat/ContactController.java b/spring-boot-data/src/main/java/com/baeldung/jsondateformat/ContactController.java new file mode 100644 index 0000000000..8894d82fc7 --- /dev/null +++ b/spring-boot-data/src/main/java/com/baeldung/jsondateformat/ContactController.java @@ -0,0 +1,77 @@ +package com.baeldung.jsondateformat; + +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.RestController; + +import java.time.LocalDate; +import java.time.LocalDateTime; +import java.util.ArrayList; +import java.util.Date; +import java.util.List; + +@RestController +@RequestMapping(value = "/contacts") +public class ContactController { + + @GetMapping + public List getContacts() { + List contacts = new ArrayList<>(); + + Contact contact1 = new Contact("John Doe", "123 Sesame Street", "123-456-789", LocalDate.now(), LocalDateTime.now()); + Contact contact2 = new Contact("John Doe 2", "124 Sesame Street", "123-456-789", LocalDate.now(), LocalDateTime.now()); + Contact contact3 = new Contact("John Doe 3", "125 Sesame Street", "123-456-789", LocalDate.now(), LocalDateTime.now()); + + contacts.add(contact1); + contacts.add(contact2); + contacts.add(contact3); + + return contacts; + } + + @GetMapping("/javaUtilDate") + public List getContactsWithJavaUtilDate() { + List contacts = new ArrayList<>(); + + ContactWithJavaUtilDate contact1 = new ContactWithJavaUtilDate("John Doe", "123 Sesame Street", "123-456-789", new Date(), new Date()); + ContactWithJavaUtilDate contact2 = new ContactWithJavaUtilDate("John Doe 2", "124 Sesame Street", "123-456-789", new Date(), new Date()); + ContactWithJavaUtilDate contact3 = new ContactWithJavaUtilDate("John Doe 3", "125 Sesame Street", "123-456-789", new Date(), new Date()); + + contacts.add(contact1); + contacts.add(contact2); + contacts.add(contact3); + + return contacts; + } + + @GetMapping("/plain") + public List getPlainContacts() { + List contacts = new ArrayList<>(); + + PlainContact contact1 = new PlainContact("John Doe", "123 Sesame Street", "123-456-789", LocalDate.now(), LocalDateTime.now()); + PlainContact contact2 = new PlainContact("John Doe 2", "124 Sesame Street", "123-456-789", LocalDate.now(), LocalDateTime.now()); + PlainContact contact3 = new PlainContact("John Doe 3", "125 Sesame Street", "123-456-789", LocalDate.now(), LocalDateTime.now()); + + contacts.add(contact1); + contacts.add(contact2); + contacts.add(contact3); + + return contacts; + } + + @GetMapping("/plainWithJavaUtilDate") + public List getPlainContactsWithJavaUtilDate() { + List contacts = new ArrayList<>(); + + PlainContactWithJavaUtilDate contact1 = new PlainContactWithJavaUtilDate("John Doe", "123 Sesame Street", "123-456-789", new Date(), new Date()); + PlainContactWithJavaUtilDate contact2 = new PlainContactWithJavaUtilDate("John Doe 2", "124 Sesame Street", "123-456-789", new Date(), new Date()); + PlainContactWithJavaUtilDate contact3 = new PlainContactWithJavaUtilDate("John Doe 3", "125 Sesame Street", "123-456-789", new Date(), new Date()); + + contacts.add(contact1); + contacts.add(contact2); + contacts.add(contact3); + + return contacts; + } + +} diff --git a/spring-boot-data/src/main/java/com/baeldung/jsondateformat/ContactWithJavaUtilDate.java b/spring-boot-data/src/main/java/com/baeldung/jsondateformat/ContactWithJavaUtilDate.java new file mode 100644 index 0000000000..5a1c508098 --- /dev/null +++ b/spring-boot-data/src/main/java/com/baeldung/jsondateformat/ContactWithJavaUtilDate.java @@ -0,0 +1,69 @@ +package com.baeldung.jsondateformat; + +import com.fasterxml.jackson.annotation.JsonFormat; + +import java.util.Date; + +public class ContactWithJavaUtilDate { + + private String name; + private String address; + private String phone; + + @JsonFormat(pattern="yyyy-MM-dd") + private Date birthday; + + @JsonFormat(pattern="yyyy-MM-dd HH:mm:ss") + private Date lastUpdate; + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public String getAddress() { + return address; + } + + public void setAddress(String address) { + this.address = address; + } + + public String getPhone() { + return phone; + } + + public void setPhone(String phone) { + this.phone = phone; + } + + public Date getBirthday() { + return birthday; + } + + public void setBirthday(Date birthday) { + this.birthday = birthday; + } + + public Date getLastUpdate() { + return lastUpdate; + } + + public void setLastUpdate(Date lastUpdate) { + this.lastUpdate = lastUpdate; + } + + public ContactWithJavaUtilDate() { + } + + public ContactWithJavaUtilDate(String name, String address, String phone, Date birthday, Date lastUpdate) { + this.name = name; + this.address = address; + this.phone = phone; + this.birthday = birthday; + this.lastUpdate = lastUpdate; + } +} diff --git a/spring-boot-data/src/main/java/com/baeldung/jsondateformat/PlainContact.java b/spring-boot-data/src/main/java/com/baeldung/jsondateformat/PlainContact.java new file mode 100644 index 0000000000..7e9e53d205 --- /dev/null +++ b/spring-boot-data/src/main/java/com/baeldung/jsondateformat/PlainContact.java @@ -0,0 +1,66 @@ +package com.baeldung.jsondateformat; + +import java.time.LocalDate; +import java.time.LocalDateTime; + +public class PlainContact { + + private String name; + private String address; + private String phone; + + private LocalDate birthday; + + private LocalDateTime lastUpdate; + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public String getAddress() { + return address; + } + + public void setAddress(String address) { + this.address = address; + } + + public String getPhone() { + return phone; + } + + public void setPhone(String phone) { + this.phone = phone; + } + + public LocalDate getBirthday() { + return birthday; + } + + public void setBirthday(LocalDate birthday) { + this.birthday = birthday; + } + + public LocalDateTime getLastUpdate() { + return lastUpdate; + } + + public void setLastUpdate(LocalDateTime lastUpdate) { + this.lastUpdate = lastUpdate; + } + + public PlainContact() { + } + + public PlainContact(String name, String address, String phone, LocalDate birthday, LocalDateTime lastUpdate) { + this.name = name; + this.address = address; + this.phone = phone; + this.birthday = birthday; + this.lastUpdate = lastUpdate; + } +} diff --git a/spring-boot-data/src/main/java/com/baeldung/jsondateformat/PlainContactWithJavaUtilDate.java b/spring-boot-data/src/main/java/com/baeldung/jsondateformat/PlainContactWithJavaUtilDate.java new file mode 100644 index 0000000000..daefb15543 --- /dev/null +++ b/spring-boot-data/src/main/java/com/baeldung/jsondateformat/PlainContactWithJavaUtilDate.java @@ -0,0 +1,69 @@ +package com.baeldung.jsondateformat; + +import com.fasterxml.jackson.annotation.JsonFormat; + +import java.util.Date; + +public class PlainContactWithJavaUtilDate { + + private String name; + private String address; + private String phone; + + @JsonFormat(pattern="yyyy-MM-dd") + private Date birthday; + + @JsonFormat(pattern="yyyy-MM-dd HH:mm:ss") + private Date lastUpdate; + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public String getAddress() { + return address; + } + + public void setAddress(String address) { + this.address = address; + } + + public String getPhone() { + return phone; + } + + public void setPhone(String phone) { + this.phone = phone; + } + + public Date getBirthday() { + return birthday; + } + + public void setBirthday(Date birthday) { + this.birthday = birthday; + } + + public Date getLastUpdate() { + return lastUpdate; + } + + public void setLastUpdate(Date lastUpdate) { + this.lastUpdate = lastUpdate; + } + + public PlainContactWithJavaUtilDate() { + } + + public PlainContactWithJavaUtilDate(String name, String address, String phone, Date birthday, Date lastUpdate) { + this.name = name; + this.address = address; + this.phone = phone; + this.birthday = birthday; + this.lastUpdate = lastUpdate; + } +} diff --git a/spring-boot-data/src/main/resources/application.properties b/spring-boot-data/src/main/resources/application.properties new file mode 100644 index 0000000000..845b783634 --- /dev/null +++ b/spring-boot-data/src/main/resources/application.properties @@ -0,0 +1,2 @@ +spring.jackson.date-format=yyyy-MM-dd HH:mm:ss +spring.jackson.time-zone=Europe/Zagreb \ No newline at end of file diff --git a/spring-boot-data/src/test/java/com/baeldung/jsondateformat/ContactAppIntegrationTest.java b/spring-boot-data/src/test/java/com/baeldung/jsondateformat/ContactAppIntegrationTest.java new file mode 100644 index 0000000000..f76440d1bc --- /dev/null +++ b/spring-boot-data/src/test/java/com/baeldung/jsondateformat/ContactAppIntegrationTest.java @@ -0,0 +1,100 @@ +package com.baeldung.jsondateformat; + +import com.fasterxml.jackson.core.type.TypeReference; +import com.fasterxml.jackson.databind.ObjectMapper; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.boot.test.web.client.TestRestTemplate; +import org.springframework.boot.web.server.LocalServerPort; +import org.springframework.http.ResponseEntity; +import org.springframework.test.context.TestPropertySource; +import org.springframework.test.context.junit4.SpringRunner; + +import java.io.IOException; +import java.text.ParseException; +import java.time.LocalDate; +import java.time.LocalDateTime; +import java.time.format.DateTimeFormatter; +import java.time.format.DateTimeParseException; +import java.util.List; +import java.util.Map; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; +import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT; + +@RunWith(SpringRunner.class) +@SpringBootTest(webEnvironment = RANDOM_PORT, classes = ContactApp.class) +@TestPropertySource(properties = { + "spring.jackson.date-format=yyyy-MM-dd HH:mm:ss" +}) +public class ContactAppIntegrationTest { + + private final ObjectMapper mapper = new ObjectMapper(); + + @LocalServerPort + private int port; + + @Autowired + private TestRestTemplate restTemplate; + + @Test + public void givenJsonFormatAnnotationAndJava8DateType_whenGet_thenReturnExpectedDateFormat() throws IOException, ParseException { + ResponseEntity response = restTemplate.getForEntity("http://localhost:" + port + "/contacts", String.class); + + assertEquals(200, response.getStatusCodeValue()); + + List> respMap = mapper.readValue(response.getBody(), new TypeReference>>(){}); + + LocalDate birthdayDate = LocalDate.parse(respMap.get(0).get("birthday"), DateTimeFormatter.ofPattern("yyyy-MM-dd")); + LocalDateTime lastUpdateTime = LocalDateTime.parse(respMap.get(0).get("lastUpdate"), DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")); + + assertNotNull(birthdayDate); + assertNotNull(lastUpdateTime); + } + + @Test + public void givenJsonFormatAnnotationAndLegacyDateType_whenGet_thenReturnExpectedDateFormat() throws IOException { + ResponseEntity response = restTemplate.getForEntity("http://localhost:" + port + "/contacts/javaUtilDate", String.class); + + assertEquals(200, response.getStatusCodeValue()); + + List> respMap = mapper.readValue(response.getBody(), new TypeReference>>(){}); + + LocalDate birthdayDate = LocalDate.parse(respMap.get(0).get("birthday"), DateTimeFormatter.ofPattern("yyyy-MM-dd")); + LocalDateTime lastUpdateTime = LocalDateTime.parse(respMap.get(0).get("lastUpdate"), DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")); + + assertNotNull(birthdayDate); + assertNotNull(lastUpdateTime); + } + + @Test + public void givenDefaultDateFormatInAppPropertiesAndLegacyDateType_whenGet_thenReturnExpectedDateFormat() throws IOException { + ResponseEntity response = restTemplate.getForEntity("http://localhost:" + port + "/contacts/plainWithJavaUtilDate", String.class); + + assertEquals(200, response.getStatusCodeValue()); + + List> respMap = mapper.readValue(response.getBody(), new TypeReference>>(){}); + + LocalDate birthdayDate = LocalDate.parse(respMap.get(0).get("birthday"), DateTimeFormatter.ofPattern("yyyy-MM-dd")); + LocalDateTime lastUpdateTime = LocalDateTime.parse(respMap.get(0).get("lastUpdate"), DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")); + + assertNotNull(birthdayDate); + assertNotNull(lastUpdateTime); + } + + @Test(expected = DateTimeParseException.class) + public void givenDefaultDateFormatInAppPropertiesAndJava8DateType_whenGet_thenNotApplyFormat() throws IOException { + ResponseEntity response = restTemplate.getForEntity("http://localhost:" + port + "/contacts/plain", String.class); + + assertEquals(200, response.getStatusCodeValue()); + + List> respMap = mapper.readValue(response.getBody(), new TypeReference>>(){}); + + LocalDate birthdayDate = LocalDate.parse(respMap.get(0).get("birthday"), DateTimeFormatter.ofPattern("yyyy-MM-dd")); + LocalDateTime lastUpdateTime = LocalDateTime.parse(respMap.get(0).get("lastUpdate"), DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")); + } + +} diff --git a/spring-boot-data/src/test/java/com/baeldung/jsondateformat/ContactAppWithObjectMapperCustomizerIntegrationTest.java b/spring-boot-data/src/test/java/com/baeldung/jsondateformat/ContactAppWithObjectMapperCustomizerIntegrationTest.java new file mode 100644 index 0000000000..c286012653 --- /dev/null +++ b/spring-boot-data/src/test/java/com/baeldung/jsondateformat/ContactAppWithObjectMapperCustomizerIntegrationTest.java @@ -0,0 +1,67 @@ +package com.baeldung.jsondateformat; + +import com.fasterxml.jackson.core.type.TypeReference; +import com.fasterxml.jackson.databind.ObjectMapper; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.boot.test.web.client.TestRestTemplate; +import org.springframework.boot.web.server.LocalServerPort; +import org.springframework.http.ResponseEntity; +import org.springframework.test.context.junit4.SpringRunner; + +import java.io.IOException; +import java.time.LocalDate; +import java.time.LocalDateTime; +import java.time.format.DateTimeFormatter; +import java.util.List; +import java.util.Map; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; +import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT; + +@RunWith(SpringRunner.class) +@SpringBootTest(webEnvironment = RANDOM_PORT, classes = ContactApp.class) +public class ContactAppWithObjectMapperCustomizerIntegrationTest { + + private final ObjectMapper mapper = new ObjectMapper(); + + @Autowired + private TestRestTemplate restTemplate; + + @LocalServerPort + private int port; + + @Test + public void givenDefaultDateFormatInAppPropertiesAndLegacyDateType_whenGet_thenReturnExpectedDateFormat() throws IOException { + ResponseEntity response = restTemplate.getForEntity("http://localhost:" + this.port + "/contacts/plainWithJavaUtilDate", String.class); + + assertEquals(200, response.getStatusCodeValue()); + + List> respMap = mapper.readValue(response.getBody(), new TypeReference>>(){}); + + LocalDate birthdayDate = LocalDate.parse(respMap.get(0).get("birthday"), DateTimeFormatter.ofPattern("yyyy-MM-dd")); + LocalDateTime lastUpdateTime = LocalDateTime.parse(respMap.get(0).get("lastUpdate"), DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")); + + assertNotNull(birthdayDate); + assertNotNull(lastUpdateTime); + } + + @Test + public void givenDefaultDateFormatInAppPropertiesAndJava8DateType_whenGet_thenReturnExpectedDateFormat() throws IOException { + ResponseEntity response = restTemplate.getForEntity("http://localhost:" + this.port + "/contacts/plain", String.class); + + assertEquals(200, response.getStatusCodeValue()); + + List> respMap = mapper.readValue(response.getBody(), new TypeReference>>(){}); + + LocalDate birthdayDate = LocalDate.parse(respMap.get(0).get("birthday"), DateTimeFormatter.ofPattern("yyyy-MM-dd")); + LocalDateTime lastUpdateTime = LocalDateTime.parse(respMap.get(0).get("lastUpdate"), DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")); + + assertNotNull(birthdayDate); + assertNotNull(lastUpdateTime); + } + +} diff --git a/spring-boot-data/src/test/resources/application.properties b/spring-boot-data/src/test/resources/application.properties new file mode 100644 index 0000000000..e69de29bb2 diff --git a/spring-boot-disable-console-logging/disabling-console-jul/pom.xml b/spring-boot-disable-console-logging/disabling-console-jul/pom.xml index 9ccbd56231..f6f7890df1 100644 --- a/spring-boot-disable-console-logging/disabling-console-jul/pom.xml +++ b/spring-boot-disable-console-logging/disabling-console-jul/pom.xml @@ -6,10 +6,10 @@ - org.springframework.boot - spring-boot-starter-parent - 2.1.1.RELEASE - + org.springframework.boot + spring-boot-starter-parent + 2.1.1.RELEASE + diff --git a/spring-boot-disable-console-logging/disabling-console-log4j2/pom.xml b/spring-boot-disable-console-logging/disabling-console-log4j2/pom.xml index 0b360bb366..1cf3eb3e68 100644 --- a/spring-boot-disable-console-logging/disabling-console-log4j2/pom.xml +++ b/spring-boot-disable-console-logging/disabling-console-log4j2/pom.xml @@ -6,10 +6,10 @@ - org.springframework.boot - spring-boot-starter-parent - 2.1.1.RELEASE - + org.springframework.boot + spring-boot-starter-parent + 2.1.1.RELEASE + diff --git a/spring-boot-jasypt/pom.xml b/spring-boot-jasypt/pom.xml index de0df92678..ae0483f107 100644 --- a/spring-boot-jasypt/pom.xml +++ b/spring-boot-jasypt/pom.xml @@ -2,11 +2,10 @@ 4.0.0 - com.example.jasypt spring-boot-jasypt - jar spring-boot-jasypt + jar Demo project for Spring Boot diff --git a/spring-boot-keycloak/pom.xml b/spring-boot-keycloak/pom.xml index 3a39d4aa94..b13805b4bf 100644 --- a/spring-boot-keycloak/pom.xml +++ b/spring-boot-keycloak/pom.xml @@ -5,9 +5,9 @@ com.baeldung.keycloak spring-boot-keycloak 0.0.1 - jar spring-boot-keycloak This is a simple application demonstrating integration between Keycloak and Spring Boot. + jar com.baeldung diff --git a/spring-boot-keycloak/src/main/resources/application.properties b/spring-boot-keycloak/src/main/resources/application.properties index f667d3b27e..6e7da2cb90 100644 --- a/spring-boot-keycloak/src/main/resources/application.properties +++ b/spring-boot-keycloak/src/main/resources/application.properties @@ -1,3 +1,6 @@ +### server port +server.port=8081 + #Keycloak Configuration keycloak.auth-server-url=http://localhost:8180/auth keycloak.realm=SpringBootKeycloak diff --git a/spring-boot-libraries/README.MD b/spring-boot-libraries/README.MD index cc32ce8355..f3706e0fa4 100644 --- a/spring-boot-libraries/README.MD +++ b/spring-boot-libraries/README.MD @@ -4,3 +4,4 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring ### Relevant Articles: - [Guide to ShedLock with Spring](https://www.baeldung.com/shedlock-spring) +- [A Guide to the Problem Spring Web Library](https://www.baeldung.com/problem-spring-web) diff --git a/spring-boot-libraries/pom.xml b/spring-boot-libraries/pom.xml index c28128c5f0..b448d6fd66 100644 --- a/spring-boot-libraries/pom.xml +++ b/spring-boot-libraries/pom.xml @@ -1,144 +1,157 @@ - 4.0.0 - spring-boot-libraries - war - spring-boot-libraries - This is simple boot application for Spring boot actuator test + xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" + xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> + 4.0.0 + spring-boot-libraries + spring-boot-libraries + war + This is simple boot application for Spring boot actuator test - - parent-boot-2 - com.baeldung - 0.0.1-SNAPSHOT - ../parent-boot-2 - + + parent-boot-2 + com.baeldung + 0.0.1-SNAPSHOT + ../parent-boot-2 + - - - org.springframework.boot - spring-boot-starter-web - - - org.springframework.boot - spring-boot-starter-tomcat - - - org.springframework.boot - spring-boot-starter-test - test - + + + org.springframework.boot + spring-boot-starter-web + + + org.springframework.boot + spring-boot-starter-security + + + org.springframework.boot + spring-boot-starter-tomcat + + + org.springframework.boot + spring-boot-starter-test + test + + + + + org.zalando + problem-spring-web + ${problem-spring-web.version} + - - - net.javacrumbs.shedlock - shedlock-spring - 2.1.0 - - - net.javacrumbs.shedlock - shedlock-provider-jdbc-template - 2.1.0 - + + + net.javacrumbs.shedlock + shedlock-spring + ${shedlock.version} + + + net.javacrumbs.shedlock + shedlock-provider-jdbc-template + ${shedlock.version} + - + - - spring-boot - - - src/main/resources - true - - + + spring-boot + + + src/main/resources + true + + - + - - org.apache.maven.plugins - maven-war-plugin - + + org.apache.maven.plugins + maven-war-plugin + - - pl.project13.maven - git-commit-id-plugin - ${git-commit-id-plugin.version} - - - get-the-git-infos - - revision - - initialize - - - validate-the-git-infos - - validateRevision - - package - - - - true - ${project.build.outputDirectory}/git.properties - - + + pl.project13.maven + git-commit-id-plugin + ${git-commit-id-plugin.version} + + + get-the-git-infos + + revision + + initialize + + + validate-the-git-infos + + validateRevision + + package + + + + true + ${project.build.outputDirectory}/git.properties + + - + - + - - - autoconfiguration - - - - org.apache.maven.plugins - maven-surefire-plugin - - - integration-test - - test - - - - **/*LiveTest.java - **/*IntegrationTest.java - **/*IntTest.java - - - **/AutoconfigurationTest.java - - - - - - - json - - - - - - - + + + autoconfiguration + + + + org.apache.maven.plugins + maven-surefire-plugin + + + integration-test + + test + + + + **/*LiveTest.java + **/*IntegrationTest.java + **/*IntTest.java + + + **/AutoconfigurationTest.java + + + + + + + json + + + + + + + - - - com.baeldung.intro.App - 8.5.11 - 2.4.1.Final - 1.9.0 - 2.0.0 - 5.0.2 - 5.0.2 - 5.2.4 - 18.0 - 2.2.4 - 2.3.2 - + + + com.baeldung.intro.App + 8.5.11 + 2.4.1.Final + 1.9.0 + 2.0.0 + 5.0.2 + 5.0.2 + 5.2.4 + 18.0 + 2.2.4 + 2.3.2 + 0.23.0 + 2.1.0 + diff --git a/spring-boot-libraries/src/main/java/com/baeldung/Application.java b/spring-boot-libraries/src/main/java/com/baeldung/boot/Application.java similarity index 93% rename from spring-boot-libraries/src/main/java/com/baeldung/Application.java rename to spring-boot-libraries/src/main/java/com/baeldung/boot/Application.java index c1b6558b26..cb0d0c1532 100644 --- a/spring-boot-libraries/src/main/java/com/baeldung/Application.java +++ b/spring-boot-libraries/src/main/java/com/baeldung/boot/Application.java @@ -1,4 +1,4 @@ -package org.baeldung.boot; +package com.baeldung.boot; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; diff --git a/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/SpringProblemApplication.java b/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/SpringProblemApplication.java new file mode 100644 index 0000000000..7ca9881fb9 --- /dev/null +++ b/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/SpringProblemApplication.java @@ -0,0 +1,19 @@ +package com.baeldung.boot.problem; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.EnableAutoConfiguration; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.boot.autoconfigure.web.servlet.error.ErrorMvcAutoConfiguration; +import org.springframework.context.annotation.ComponentScan; + +@SpringBootApplication +@EnableAutoConfiguration(exclude = ErrorMvcAutoConfiguration.class) +@ComponentScan("com.baeldung.boot.problem") +public class SpringProblemApplication { + + public static void main(String[] args) { + System.setProperty("spring.profiles.active", "problem"); + SpringApplication.run(SpringProblemApplication.class, args); + } + +} diff --git a/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/advice/ExceptionHandler.java b/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/advice/ExceptionHandler.java new file mode 100644 index 0000000000..18df103733 --- /dev/null +++ b/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/advice/ExceptionHandler.java @@ -0,0 +1,16 @@ +package com.baeldung.boot.problem.advice; + +import org.springframework.web.bind.annotation.ControllerAdvice; +import org.zalando.problem.spring.web.advice.ProblemHandling; + +@ControllerAdvice +public class ExceptionHandler implements ProblemHandling { + + // The causal chain of causes is disabled by default, + // but we can easily enable it by overriding the behavior: + @Override + public boolean isCausalChainsEnabled() { + return true; + } + +} diff --git a/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/advice/SecurityExceptionHandler.java b/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/advice/SecurityExceptionHandler.java new file mode 100644 index 0000000000..8013cbf5c3 --- /dev/null +++ b/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/advice/SecurityExceptionHandler.java @@ -0,0 +1,9 @@ +package com.baeldung.boot.problem.advice; + +import org.springframework.web.bind.annotation.ControllerAdvice; +import org.zalando.problem.spring.web.advice.security.SecurityAdviceTrait; + +@ControllerAdvice +public class SecurityExceptionHandler implements SecurityAdviceTrait { + +} \ No newline at end of file diff --git a/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/configuration/ProblemDemoConfiguration.java b/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/configuration/ProblemDemoConfiguration.java new file mode 100644 index 0000000000..f5e6a6b99a --- /dev/null +++ b/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/configuration/ProblemDemoConfiguration.java @@ -0,0 +1,19 @@ +package com.baeldung.boot.problem.configuration; + +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.zalando.problem.ProblemModule; +import org.zalando.problem.validation.ConstraintViolationProblemModule; + +import com.fasterxml.jackson.databind.ObjectMapper; + +@Configuration +public class ProblemDemoConfiguration { + + @Bean + public ObjectMapper objectMapper() { + // In this example, stack traces support is enabled by default. + // If you want to disable stack traces just use new ProblemModule() instead of new ProblemModule().withStackTraces() + return new ObjectMapper().registerModules(new ProblemModule().withStackTraces(), new ConstraintViolationProblemModule()); + } +} diff --git a/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/configuration/SecurityConfiguration.java b/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/configuration/SecurityConfiguration.java new file mode 100644 index 0000000000..0cb8048981 --- /dev/null +++ b/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/configuration/SecurityConfiguration.java @@ -0,0 +1,31 @@ +package com.baeldung.boot.problem.configuration; + +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.context.annotation.Configuration; +import org.springframework.context.annotation.Import; +import org.springframework.security.config.annotation.web.builders.HttpSecurity; +import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity; +import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter; +import org.zalando.problem.spring.web.advice.security.SecurityProblemSupport; + +@Configuration +@EnableWebSecurity +@Import(SecurityProblemSupport.class) +public class SecurityConfiguration extends WebSecurityConfigurerAdapter { + + @Autowired + private SecurityProblemSupport problemSupport; + + @Override + protected void configure(HttpSecurity http) throws Exception { + http.csrf().disable(); + + http.authorizeRequests() + .antMatchers("/") + .permitAll(); + + http.exceptionHandling() + .authenticationEntryPoint(problemSupport) + .accessDeniedHandler(problemSupport); + } +} diff --git a/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/controller/ProblemDemoController.java b/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/controller/ProblemDemoController.java new file mode 100644 index 0000000000..50f1ad5137 --- /dev/null +++ b/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/controller/ProblemDemoController.java @@ -0,0 +1,56 @@ +package com.baeldung.boot.problem.controller; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.springframework.http.MediaType; +import org.springframework.security.access.AccessDeniedException; +import org.springframework.web.bind.annotation.DeleteMapping; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.PathVariable; +import org.springframework.web.bind.annotation.PutMapping; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.RestController; + +import com.baeldung.boot.problem.dto.Task; +import com.baeldung.boot.problem.problems.TaskNotFoundProblem; + +@RestController +@RequestMapping("/tasks") +public class ProblemDemoController { + + private static final Map MY_TASKS; + + static { + MY_TASKS = new HashMap<>(); + MY_TASKS.put(1L, new Task(1L, "My first task")); + MY_TASKS.put(2L, new Task(2L, "My second task")); + } + + @GetMapping(produces = MediaType.APPLICATION_JSON_VALUE) + public List getTasks() { + return new ArrayList<>(MY_TASKS.values()); + } + + @GetMapping(value = "/{id}", produces = MediaType.APPLICATION_JSON_VALUE) + public Task getTasks(@PathVariable("id") Long taskId) { + if (MY_TASKS.containsKey(taskId)) { + return MY_TASKS.get(taskId); + } else { + throw new TaskNotFoundProblem(taskId); + } + } + + @PutMapping("/{id}") + public void updateTask(@PathVariable("id") Long id) { + throw new UnsupportedOperationException(); + } + + @DeleteMapping("/{id}") + public void deleteTask(@PathVariable("id") Long id) { + throw new AccessDeniedException("You can't delete this task"); + } + +} diff --git a/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/dto/Task.java b/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/dto/Task.java new file mode 100644 index 0000000000..a5f39474e7 --- /dev/null +++ b/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/dto/Task.java @@ -0,0 +1,32 @@ +package com.baeldung.boot.problem.dto; + +public class Task { + + private Long id; + private String description; + + public Task() { + } + + public Task(Long id, String description) { + this.id = id; + this.description = description; + } + + public Long getId() { + return id; + } + + public void setId(Long id) { + this.id = id; + } + + public String getDescription() { + return description; + } + + public void setDescription(String description) { + this.description = description; + } + +} diff --git a/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/problems/TaskNotFoundProblem.java b/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/problems/TaskNotFoundProblem.java new file mode 100644 index 0000000000..cc3f21d4a5 --- /dev/null +++ b/spring-boot-libraries/src/main/java/com/baeldung/boot/problem/problems/TaskNotFoundProblem.java @@ -0,0 +1,16 @@ +package com.baeldung.boot.problem.problems; + +import java.net.URI; + +import org.zalando.problem.AbstractThrowableProblem; +import org.zalando.problem.Status; + +public class TaskNotFoundProblem extends AbstractThrowableProblem { + + private static final URI TYPE = URI.create("https://example.org/not-found"); + + public TaskNotFoundProblem(Long taskId) { + super(TYPE, "Not found", Status.NOT_FOUND, String.format("Task '%s' not found", taskId)); + } + +} diff --git a/spring-boot-libraries/src/main/java/com/baeldung/scheduling/shedlock/TaskScheduler.java b/spring-boot-libraries/src/main/java/com/baeldung/scheduling/shedlock/TaskScheduler.java index b1b1ad921f..060afe660e 100644 --- a/spring-boot-libraries/src/main/java/com/baeldung/scheduling/shedlock/TaskScheduler.java +++ b/spring-boot-libraries/src/main/java/com/baeldung/scheduling/shedlock/TaskScheduler.java @@ -7,9 +7,9 @@ import org.springframework.stereotype.Component; @Component class TaskScheduler { - @Scheduled(cron = "*/15 * * * * *") + @Scheduled(cron = "*/15 * * * *") @SchedulerLock(name = "TaskScheduler_scheduledTask", lockAtLeastForString = "PT5M", lockAtMostForString = "PT14M") public void scheduledTask() { System.out.println("Running ShedLock task"); } -} \ No newline at end of file +} diff --git a/spring-boot-libraries/src/main/resources/application-problem.properties b/spring-boot-libraries/src/main/resources/application-problem.properties new file mode 100644 index 0000000000..7d0b0a2720 --- /dev/null +++ b/spring-boot-libraries/src/main/resources/application-problem.properties @@ -0,0 +1,3 @@ +spring.resources.add-mappings=false +spring.mvc.throw-exception-if-no-handler-found=true +spring.http.encoding.force=true diff --git a/spring-boot-libraries/src/test/java/com/baeldung/boot/problem/controller/ProblemDemoControllerIntegrationTest.java b/spring-boot-libraries/src/test/java/com/baeldung/boot/problem/controller/ProblemDemoControllerIntegrationTest.java new file mode 100644 index 0000000000..5ced1034c4 --- /dev/null +++ b/spring-boot-libraries/src/test/java/com/baeldung/boot/problem/controller/ProblemDemoControllerIntegrationTest.java @@ -0,0 +1,101 @@ +package com.baeldung.boot.problem.controller; + +import static org.hamcrest.CoreMatchers.containsString; +import static org.hamcrest.CoreMatchers.equalTo; +import static org.hamcrest.CoreMatchers.notNullValue; +import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.delete; +import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get; +import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.put; +import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print; +import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath; +import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.http.MediaType; +import org.springframework.test.context.junit4.SpringRunner; +import org.springframework.test.web.servlet.MockMvc; + +import com.baeldung.boot.problem.SpringProblemApplication; + +@RunWith(SpringRunner.class) +@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.MOCK, classes = SpringProblemApplication.class) +@AutoConfigureMockMvc +public class ProblemDemoControllerIntegrationTest { + + @Autowired + private MockMvc mockMvc; + + @Test + public void whenRequestingAllTasks_thenReturnSuccessfulResponseWithArrayWithTwoTasks() throws Exception { + mockMvc.perform(get("/tasks").contentType(MediaType.APPLICATION_JSON_VALUE)) + .andDo(print()) + .andExpect(jsonPath("$.length()", equalTo(2))) + .andExpect(status().isOk()); + } + + @Test + public void whenRequestingExistingTask_thenReturnSuccessfulResponse() throws Exception { + mockMvc.perform(get("/tasks/1").contentType(MediaType.APPLICATION_JSON_VALUE)) + .andDo(print()) + .andExpect(jsonPath("$.id", equalTo(1))) + .andExpect(status().isOk()); + } + + @Test + public void whenRequestingMissingTask_thenReturnNotFoundProblemResponse() throws Exception { + mockMvc.perform(get("/tasks/5").contentType(MediaType.APPLICATION_PROBLEM_JSON_VALUE)) + .andDo(print()) + .andExpect(jsonPath("$.title", equalTo("Not found"))) + .andExpect(jsonPath("$.status", equalTo(404))) + .andExpect(jsonPath("$.detail", equalTo("Task '5' not found"))) + .andExpect(status().isNotFound()); + } + + @Test + public void whenMakePutCall_thenReturnNotImplementedProblemResponse() throws Exception { + mockMvc.perform(put("/tasks/1").contentType(MediaType.APPLICATION_PROBLEM_JSON_VALUE)) + .andDo(print()) + .andExpect(jsonPath("$.title", equalTo("Not Implemented"))) + .andExpect(jsonPath("$.status", equalTo(501))) + .andExpect(status().isNotImplemented()); + } + + @Test + public void whenMakeDeleteCall_thenReturnForbiddenProblemResponse() throws Exception { + mockMvc.perform(delete("/tasks/2").contentType(MediaType.APPLICATION_PROBLEM_JSON_VALUE)) + .andDo(print()) + .andExpect(jsonPath("$.title", equalTo("Forbidden"))) + .andExpect(jsonPath("$.status", equalTo(403))) + .andExpect(jsonPath("$.detail", equalTo("You can't delete this task"))) + .andExpect(status().isForbidden()); + } + + @Test + public void whenMakeGetCallWithInvalidIdFormat_thenReturnBadRequestResponseWithStackTrace() throws Exception { + mockMvc.perform(get("/tasks/invalid-id").contentType(MediaType.APPLICATION_PROBLEM_JSON_VALUE)) + .andDo(print()) + .andExpect(jsonPath("$.title", equalTo("Bad Request"))) + .andExpect(jsonPath("$.status", equalTo(400))) + .andExpect(jsonPath("$.stacktrace", notNullValue())) + .andExpect(status().isBadRequest()); + } + + @Test + public void whenMakeGetCallWithInvalidIdFormat_thenReturnBadRequestResponseWithCause() throws Exception { + mockMvc.perform(get("/tasks/invalid-id").contentType(MediaType.APPLICATION_PROBLEM_JSON_VALUE)) + .andDo(print()) + .andExpect(jsonPath("$.title", equalTo("Bad Request"))) + .andExpect(jsonPath("$.status", equalTo(400))) + .andExpect(jsonPath("$.cause", notNullValue())) + .andExpect(jsonPath("$.cause.title", equalTo("Internal Server Error"))) + .andExpect(jsonPath("$.cause.status", equalTo(500))) + .andExpect(jsonPath("$.cause.detail", containsString("For input string:"))) + .andExpect(jsonPath("$.cause.stacktrace", notNullValue())) + .andExpect(status().isBadRequest()); + } + +} diff --git a/spring-boot-logging-log4j2/pom.xml b/spring-boot-logging-log4j2/pom.xml index ad678a14cf..6cc60da52c 100644 --- a/spring-boot-logging-log4j2/pom.xml +++ b/spring-boot-logging-log4j2/pom.xml @@ -3,8 +3,8 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 spring-boot-logging-log4j2 - jar spring-boot-logging-log4j2 + jar Demo project for Spring Boot Logging with Log4J2 @@ -40,12 +40,12 @@ org.springframework.boot spring-boot-starter-log4j - 1.3.8.RELEASE + ${spring-boot-starter-log4j.version} org.graylog2 gelfj - 1.1.16 + ${gelfj.version} compile @@ -71,5 +71,7 @@ com.baeldung.springbootlogging.SpringBootLoggingApplication + 1.3.8.RELEASE + 1.1.16 diff --git a/spring-boot-mvc/README.md b/spring-boot-mvc/README.md index bf32e4fc7c..d5a39cdc9f 100644 --- a/spring-boot-mvc/README.md +++ b/spring-boot-mvc/README.md @@ -9,4 +9,6 @@ - [Display RSS Feed with Spring MVC](http://www.baeldung.com/spring-mvc-rss-feed) - [A Controller, Service and DAO Example with Spring Boot and JSF](https://www.baeldung.com/jsf-spring-boot-controller-service-dao) - [Cache Eviction in Spring Boot](https://www.baeldung.com/spring-boot-evict-cache) -- [Setting Up Swagger 2 with a Spring REST API](http://www.baeldung.com/swagger-2-documentation-for-spring-rest-api) \ No newline at end of file +- [Setting Up Swagger 2 with a Spring REST API](http://www.baeldung.com/swagger-2-documentation-for-spring-rest-api) +- [Conditionally Enable Scheduled Jobs in Spring](https://www.baeldung.com/spring-scheduled-enabled-conditionally) +- [Accessing Spring MVC Model Objects in JavaScript](https://www.baeldung.com/spring-mvc-model-objects-js) diff --git a/spring-boot-mvc/pom.xml b/spring-boot-mvc/pom.xml index b219e53431..e17c1d39b9 100644 --- a/spring-boot-mvc/pom.xml +++ b/spring-boot-mvc/pom.xml @@ -1,66 +1,77 @@ - - 4.0.0 - spring-boot-mvc - jar - spring-boot-mvc - Module For Spring Boot MVC + + 4.0.0 + spring-boot-mvc + spring-boot-mvc + jar + Module For Spring Boot MVC - - parent-boot-2 - com.baeldung - 0.0.1-SNAPSHOT - ../parent-boot-2 - + + parent-boot-2 + com.baeldung + 0.0.1-SNAPSHOT + ../parent-boot-2 + - + - - org.springframework.boot - spring-boot-starter-web - - - org.apache.tomcat.embed - tomcat-embed-jasper - + + org.springframework.boot + spring-boot-starter-web + + + org.apache.tomcat.embed + tomcat-embed-jasper + + + org.springframework.boot + spring-boot-starter-tomcat + provided + + + org.springframework.boot + spring-boot-starter-thymeleaf + - - - org.glassfish - javax.faces - 2.3.7 - - - - org.springframework.boot - spring-boot-starter-test - test - + + + org.glassfish + javax.faces + 2.3.7 + - - - com.rometools - rome - ${rome.version} - + + + org.springframework.boot + spring-boot-starter-test + test + - - - org.hibernate.validator - hibernate-validator - - - javax.validation - validation-api - - - org.springframework.boot - spring-boot-starter-validation - + + + com.rometools + rome + ${rome.version} + - + + + org.hibernate.validator + hibernate-validator + + + javax.validation + validation-api + + + org.springframework.boot + spring-boot-starter-validation + + + io.springfox springfox-swagger2 @@ -72,26 +83,32 @@ ${spring.fox.version} - + + org.apache.tomcat.embed + tomcat-embed-jasper + provided + - - - - org.springframework.boot - spring-boot-maven-plugin - - com.baeldung.springbootmvc.SpringBootMvcApplication - JAR - - - - + - - 2.9.2 - - 1.10.0 - com.baeldung.springbootmvc.SpringBootMvcApplication - + + + + org.springframework.boot + spring-boot-maven-plugin + + com.baeldung.springbootmvc.SpringBootMvcApplication + JAR + + + + + + + 2.9.2 + + 1.10.0 + com.baeldung.springbootmvc.SpringBootMvcApplication + diff --git a/spring-boot-mvc/src/main/java/com/baeldung/accessparamsjs/App.java b/spring-boot-mvc/src/main/java/com/baeldung/accessparamsjs/App.java new file mode 100644 index 0000000000..c16e784dd2 --- /dev/null +++ b/spring-boot-mvc/src/main/java/com/baeldung/accessparamsjs/App.java @@ -0,0 +1,12 @@ +package com.baeldung.accessparamsjs; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class App { + + public static void main(String[] args) { + SpringApplication.run(App.class, args); + } +} diff --git a/spring-boot-mvc/src/main/java/com/baeldung/accessparamsjs/Controller.java b/spring-boot-mvc/src/main/java/com/baeldung/accessparamsjs/Controller.java new file mode 100644 index 0000000000..8759f1bcd6 --- /dev/null +++ b/spring-boot-mvc/src/main/java/com/baeldung/accessparamsjs/Controller.java @@ -0,0 +1,32 @@ +package com.baeldung.accessparamsjs; + +import java.util.Map; + +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.RestController; +import org.springframework.web.servlet.ModelAndView; + +/** + * Sample rest controller for the tutorial article + * "Access Spring MVC Model object in JavaScript". + * + * @author Andrew Shcherbakov + * + */ +@RestController +public class Controller { + + /** + * Define two model objects (one integer and one string) and pass them to the view. + * + * @param model + * @return + */ + @RequestMapping("/index") + public ModelAndView thymeleafView(Map model) { + model.put("number", 1234); + model.put("message", "Hello from Spring MVC"); + return new ModelAndView("thymeleaf/index"); + } + +} diff --git a/spring-boot-mvc/src/main/java/com/baeldung/scheduling/ScheduleJobsByProfile.java b/spring-boot-mvc/src/main/java/com/baeldung/scheduling/ScheduleJobsByProfile.java new file mode 100644 index 0000000000..33cd44331f --- /dev/null +++ b/spring-boot-mvc/src/main/java/com/baeldung/scheduling/ScheduleJobsByProfile.java @@ -0,0 +1,20 @@ +package com.baeldung.scheduling; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.context.annotation.Profile; + +@Configuration +public class ScheduleJobsByProfile { + + private final static Logger LOG = LoggerFactory.getLogger(ScheduleJobsByProfile.class); + + @Profile("prod") + @Bean + public ScheduledJob scheduledJob() + { + return new ScheduledJob("@Profile"); + } +} diff --git a/spring-boot-mvc/src/main/java/com/baeldung/scheduling/ScheduledJob.java b/spring-boot-mvc/src/main/java/com/baeldung/scheduling/ScheduledJob.java new file mode 100644 index 0000000000..df7cefcd3c --- /dev/null +++ b/spring-boot-mvc/src/main/java/com/baeldung/scheduling/ScheduledJob.java @@ -0,0 +1,21 @@ +package com.baeldung.scheduling; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.scheduling.annotation.Scheduled; + +public class ScheduledJob { + + private String source; + + public ScheduledJob(String source) { + this.source = source; + } + + private final static Logger LOG = LoggerFactory.getLogger(ScheduledJob.class); + + @Scheduled(fixedDelay = 60000) + public void cleanTempDir() { + LOG.info("Cleaning temp directory via {}", source); + } +} diff --git a/spring-boot-mvc/src/main/java/com/baeldung/scheduling/ScheduledJobsWithBoolean.java b/spring-boot-mvc/src/main/java/com/baeldung/scheduling/ScheduledJobsWithBoolean.java new file mode 100644 index 0000000000..b03de61641 --- /dev/null +++ b/spring-boot-mvc/src/main/java/com/baeldung/scheduling/ScheduledJobsWithBoolean.java @@ -0,0 +1,28 @@ +package com.baeldung.scheduling; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.context.annotation.Configuration; +import org.springframework.scheduling.annotation.Scheduled; + +@Configuration +public class ScheduledJobsWithBoolean { + + private final static Logger LOG = LoggerFactory.getLogger(ScheduledJobsWithBoolean.class); + + @Value("${jobs.enabled:true}") + private boolean isEnabled; + + /** + * A scheduled job controlled via application property. The job always + * executes, but the logic inside is protected by a configurable boolean + * flag. + */ + @Scheduled(fixedDelay = 60000) + public void cleanTempDirectory() { + if(isEnabled) { + LOG.info("Cleaning temp directory via boolean flag"); + } + } +} diff --git a/spring-boot-mvc/src/main/java/com/baeldung/scheduling/ScheduledJobsWithConditional.java b/spring-boot-mvc/src/main/java/com/baeldung/scheduling/ScheduledJobsWithConditional.java new file mode 100644 index 0000000000..081c8d990a --- /dev/null +++ b/spring-boot-mvc/src/main/java/com/baeldung/scheduling/ScheduledJobsWithConditional.java @@ -0,0 +1,20 @@ +package com.baeldung.scheduling; + +import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; + +@Configuration +public class ScheduledJobsWithConditional +{ + /** + * This uses @ConditionalOnProperty to conditionally create a bean, which itself + * is a scheduled job. + * @return ScheduledJob + */ + @Bean + @ConditionalOnProperty(value = "jobs.enabled", matchIfMissing = true, havingValue = "true") + public ScheduledJob runMyCronTask() { + return new ScheduledJob("@ConditionalOnProperty"); + } +} diff --git a/spring-boot-mvc/src/main/java/com/baeldung/scheduling/ScheduledJobsWithExpression.java b/spring-boot-mvc/src/main/java/com/baeldung/scheduling/ScheduledJobsWithExpression.java new file mode 100644 index 0000000000..577a01f241 --- /dev/null +++ b/spring-boot-mvc/src/main/java/com/baeldung/scheduling/ScheduledJobsWithExpression.java @@ -0,0 +1,23 @@ +package com.baeldung.scheduling; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.context.annotation.Configuration; +import org.springframework.scheduling.annotation.Scheduled; + +@Configuration +public class ScheduledJobsWithExpression +{ + private final static Logger LOG = + LoggerFactory.getLogger(ScheduledJobsWithExpression.class); + + /** + * A scheduled job controlled via application property. The job always + * executes, but the logic inside is protected by a configurable boolean + * flag. + */ + @Scheduled(cron = "${jobs.cronSchedule:-}") + public void cleanTempDirectory() { + LOG.info("Cleaning temp directory via placeholder"); + } +} diff --git a/spring-boot-mvc/src/main/java/com/baeldung/scheduling/SchedulingApplication.java b/spring-boot-mvc/src/main/java/com/baeldung/scheduling/SchedulingApplication.java new file mode 100644 index 0000000000..913e2137f8 --- /dev/null +++ b/spring-boot-mvc/src/main/java/com/baeldung/scheduling/SchedulingApplication.java @@ -0,0 +1,16 @@ +package com.baeldung.scheduling; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.scheduling.annotation.EnableScheduling; + +@SpringBootApplication +@EnableScheduling +public class SchedulingApplication { + + public static void main(String[] args) { + SpringApplication.run(SchedulingApplication.class, args); + } + +} + diff --git a/spring-boot-mvc/src/main/resources/application.properties b/spring-boot-mvc/src/main/resources/application.properties index 709574239b..6dab470c84 100644 --- a/spring-boot-mvc/src/main/resources/application.properties +++ b/spring-boot-mvc/src/main/resources/application.properties @@ -1 +1,2 @@ -spring.main.allow-bean-definition-overriding=true \ No newline at end of file +spring.main.allow-bean-definition-overriding=true +spring.thymeleaf.view-names=thymeleaf/* \ No newline at end of file diff --git a/spring-boot-mvc/src/main/resources/templates/thymeleaf/index.html b/spring-boot-mvc/src/main/resources/templates/thymeleaf/index.html new file mode 100644 index 0000000000..4939d0ea50 --- /dev/null +++ b/spring-boot-mvc/src/main/resources/templates/thymeleaf/index.html @@ -0,0 +1,29 @@ + + + +Access Spring MVC params + + + + + + + Number= + +
Message= + +

Data from the external JS file (due to loading order)

+
+
+

Asynchronous loading from external JS file (plain JS)

+
+
+

Asynchronous loading from external JS file (jQuery)

+
+
+ + + diff --git a/spring-boot-mvc/src/main/webapp/js/jquery.js b/spring-boot-mvc/src/main/webapp/js/jquery.js new file mode 100644 index 0000000000..4d9b3a2587 --- /dev/null +++ b/spring-boot-mvc/src/main/webapp/js/jquery.js @@ -0,0 +1,2 @@ +/*! jQuery v3.3.1 | (c) JS Foundation and other contributors | jquery.org/license */ +!function(e,t){"use strict";"object"==typeof module&&"object"==typeof module.exports?module.exports=e.document?t(e,!0):function(e){if(!e.document)throw new Error("jQuery requires a window with a document");return t(e)}:t(e)}("undefined"!=typeof window?window:this,function(e,t){"use strict";var n=[],r=e.document,i=Object.getPrototypeOf,o=n.slice,a=n.concat,s=n.push,u=n.indexOf,l={},c=l.toString,f=l.hasOwnProperty,p=f.toString,d=p.call(Object),h={},g=function e(t){return"function"==typeof t&&"number"!=typeof t.nodeType},y=function e(t){return null!=t&&t===t.window},v={type:!0,src:!0,noModule:!0};function m(e,t,n){var 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