iSharkFly-Docs
/
java-tutorials
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge branch 'eugenp:master' into master

This commit is contained in:
rvsathe 2021-09-17 08:42:27 +05:30 committed by GitHub
parent a6ecf8743d 2a68c0e2bb
commit d799c1cd85
95 changed files with 2036 additions and 317 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
apache-libraries/pom.xml
View File

@ -133,6 +133,11 @@
<artifactId>jackson-databind</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>com.jayway.awaitility</groupId>
<artifactId>awaitility</artifactId>
@ -196,7 +201,6 @@
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
<avro.version>1.8.2</avro.version>
<slf4j.version>1.7.25</slf4j.version>
<beam.version>2.19.0</beam.version>
<assertj.version>3.9.0</assertj.version>
<bval.version>1.1.2</bval.version>

1
apache-libraries/src/test/java/com/baeldung/apache/beam/intro/WordCountUnitTest.java
View File

@ -10,7 +10,6 @@ import com.baeldung.apache.beam.intro.WordCount;
public class WordCountUnitTest {
@Test
// @Ignore
public void givenInputFile_whenWordCountRuns_thenJobFinishWithoutError() {
boolean jobDone = WordCount.wordCount("src/test/resources/wordcount.txt", "target/output");
assertTrue(jobDone);

3
apache-thrift/pom.xml
View File

@ -29,7 +29,7 @@
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-simple</artifactId>
<version>${org.slf4j.slf4j-simple.version}</version>
<version>${org.slf4j.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
@ -61,7 +61,6 @@
<properties>
<thrift.version>0.10.0</thrift.version>
<maven-thrift.version>0.1.11</maven-thrift.version>
<org.slf4j.slf4j-simple.version>1.7.12</org.slf4j.slf4j-simple.version>
<build-helper-maven-plugin.version>3.0.0</build-helper-maven-plugin.version>
</properties>

1
core-groovy-2/pom.xml
View File

@ -166,7 +166,6 @@
<hsqldb.version>2.4.0</hsqldb.version>
<spock-core.version>1.1-groovy-2.4</spock-core.version>
<groovy-wslite.version>1.1.3</groovy-wslite.version>
<logback.version>1.2.3</logback.version>
<groovy.version>2.5.7</groovy.version>
<assembly.plugin.version>3.1.0</assembly.plugin.version>
<compiler.plugin.version>3.8.0</compiler.plugin.version>

1
core-java-modules/core-java-16/README.md
View File

@ -1,3 +1,4 @@
### Relevant articles:
- [Collect a Java Stream to an Immutable Collection](https://www.baeldung.com/java-stream-immutable-collection)
- [Guide to mapMulti in Stream API](https://www.baeldung.com/java-mapmulti)

1
core-java-modules/core-java-arrays-operations-advanced/README.md
View File

@ -10,3 +10,4 @@ This module contains articles about advanced operations on arrays in Java. They
- [Intersection Between two Integer Arrays](https://www.baeldung.com/java-array-intersection)
- [Comparing Arrays in Java](https://www.baeldung.com/java-comparing-arrays)
- [Concatenate Two Arrays in Java](https://www.baeldung.com/java-concatenate-arrays)
- [Performance of System.arraycopy() vs. Arrays.copyOf()](https://www.baeldung.com/java-system-arraycopy-arrays-copyof-performance)

40
core-java-modules/core-java-arrays-operations-advanced/pom.xml
View File

@ -26,10 +26,50 @@
<version>${assertj-core.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-core</artifactId>
<version>${jmh.version}</version>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-generator-annprocess</artifactId>
<version>${jmh.version}</version>
</dependency>
</dependencies>
<properties>
<assertj-core.version>3.10.0</assertj-core.version>
<jmh.version>1.33</jmh.version>
</properties>
<build>
<plugins>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<configuration>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
<archive>
<manifest>
<mainClass>com.baeldung.copyarraymethodsperformance.BenchmarkRunner</mainClass>
</manifest>
</archive>
</configuration>
<executions>
<execution>
<id>make-assembly</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>

11
core-java-modules/core-java-arrays-operations-advanced/src/main/java/com/baeldung/copyarraymethodsperformance/BenchmarkRunner.java Normal file
View File

@ -0,0 +1,11 @@
package com.baeldung.copyarraymethodsperformance;
public class BenchmarkRunner {
public static void main(String[] args) throws Exception {
org.openjdk.jmh.Main.main(args);
}
}

42
core-java-modules/core-java-arrays-operations-advanced/src/main/java/com/baeldung/copyarraymethodsperformance/ObjectsCopyBenchmark.java Normal file
View File

@ -0,0 +1,42 @@
package com.baeldung.copyarraymethodsperformance;
import org.openjdk.jmh.annotations.*;
import java.util.Arrays;
import java.util.Random;
import java.util.concurrent.TimeUnit;
@BenchmarkMode(Mode.AverageTime)
@State(Scope.Thread)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@Warmup(iterations = 10)
@Fork(1)
@Measurement(iterations = 100)
public class ObjectsCopyBenchmark {
@Param({ "10", "1000000" })
public int SIZE;
Integer[] src;
@Setup
public void setup() {
Random r = new Random();
src = new Integer[SIZE];
for (int i = 0; i < SIZE; i++) {
src[i] = r.nextInt();
}
}
@Benchmark
public Integer[] systemArrayCopyBenchmark() {
Integer[] target = new Integer[SIZE];
System.arraycopy(src, 0, target, 0, SIZE);
return target;
}
@Benchmark
public Integer[] arraysCopyOfBenchmark() {
return Arrays.copyOf(src, SIZE);
}
}

43
core-java-modules/core-java-arrays-operations-advanced/src/main/java/com/baeldung/copyarraymethodsperformance/PrimitivesCopyBenchmark.java Normal file
View File

@ -0,0 +1,43 @@
package com.baeldung.copyarraymethodsperformance;
import org.openjdk.jmh.annotations.*;
import java.util.Arrays;
import java.util.Random;
import java.util.concurrent.TimeUnit;
@BenchmarkMode(Mode.AverageTime)
@State(Scope.Thread)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@Warmup(iterations = 10)
@Fork(1)
@Measurement(iterations = 100)
public class PrimitivesCopyBenchmark {
@Param({ "10", "1000000" })
public int SIZE;
int[] src;
@Setup
public void setup() {
Random r = new Random();
src = new int[SIZE];
for (int i = 0; i < SIZE; i++) {
src[i] = r.nextInt();
}
}
@Benchmark
public int[] systemArrayCopyBenchmark() {
int[] target = new int[SIZE];
System.arraycopy(src, 0, target, 0, SIZE);
return target;
}
@Benchmark
public int[] arraysCopyOfBenchmark() {
return Arrays.copyOf(src, SIZE);
}
}

1
core-java-modules/core-java-networking-3/README.md
View File

@ -8,4 +8,5 @@ This module contains articles about networking in Java
- [Downloading Email Attachments in Java](https://www.baeldung.com/java-download-email-attachments)
- [Connection Timeout vs. Read Timeout for Java Sockets](https://www.baeldung.com/java-socket-connection-read-timeout)
- [Find Whether an IP Address Is in the Specified Range or Not in Java](https://www.baeldung.com/java-check-ip-address-range)
- [Find the IP Address of a Client Connected to a Server](https://www.baeldung.com/java-client-get-ip-address)
- [[<-- Prev]](/core-java-modules/core-java-networking-2)

39
core-java-modules/core-java-networking-3/src/main/java/com/baeldung/clientaddress/ApplicationClient.java Normal file
View File

@ -0,0 +1,39 @@
package com.baeldung.clientaddress;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
public class ApplicationClient {
private Socket clientSocket;
private PrintWriter out;
private BufferedReader in;
public void connect(String ip, int port) throws IOException {
clientSocket = new Socket(ip, port);
out = new PrintWriter(clientSocket.getOutputStream(), true);
in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
}
public void sendGreetings(String msg) throws IOException {
out.println(msg);
String reply = in.readLine();
System.out.println("Reply received from the server :: " + reply);
}
public void disconnect() throws IOException {
in.close();
out.close();
clientSocket.close();
}
public static void main(String[] args) throws IOException {
ApplicationClient client = new ApplicationClient();
client.connect(args[0], Integer.parseInt(args[1])); // IP address and port number of the server
client.sendGreetings(args[2]); // greetings message
client.disconnect();
}
}

51
core-java-modules/core-java-networking-3/src/main/java/com/baeldung/clientaddress/ApplicationServer.java Normal file
View File

@ -0,0 +1,51 @@
package com.baeldung.clientaddress;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
public class ApplicationServer {
private ServerSocket serverSocket;
private Socket connectedSocket;
private PrintWriter out;
private BufferedReader in;
public void startServer(int port) throws IOException {
serverSocket = new ServerSocket(port);
connectedSocket = serverSocket.accept();
InetSocketAddress socketAddress = (InetSocketAddress) connectedSocket.getRemoteSocketAddress();
String clientIpAddress = socketAddress.getAddress()
.getHostAddress();
System.out.println("IP address of the connected client :: " + clientIpAddress);
out = new PrintWriter(connectedSocket.getOutputStream(), true);
in = new BufferedReader(new InputStreamReader(connectedSocket.getInputStream()));
String msg = in.readLine();
System.out.println("Message received from the client :: " + msg);
out.println("Hello Client !!");
closeIO();
stopServer();
}
private void closeIO() throws IOException {
in.close();
out.close();
}
private void stopServer() throws IOException {
connectedSocket.close();
serverSocket.close();
}
public static void main(String[] args) throws IOException {
ApplicationServer server = new ApplicationServer();
server.startServer(5000);
}
}

101
core-java-modules/core-java-os/src/main/java/com/baeldung/java9/process/ProcessAPIEnhancements.java Normal file
View File

@ -0,0 +1,101 @@
package com.baeldung.java9.process;
import java.io.IOException;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.stream.Stream;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ProcessAPIEnhancements {
static Logger log = LoggerFactory.getLogger(ProcessAPIEnhancements.class);
public static void main(String[] args) throws IOException, InterruptedException, ExecutionException {
infoOfCurrentProcess();
infoOfLiveProcesses();
infoOfSpawnProcess();
infoOfExitCallback();
infoOfChildProcess();
}
private static void infoOfCurrentProcess() {
ProcessHandle processHandle = ProcessHandle.current();
ProcessHandle.Info processInfo = processHandle.info();
log.info("PID: " + processHandle.pid());
log.info("Arguments: " + processInfo.arguments());
log.info("Command: " + processInfo.command());
log.info("Instant: " + processInfo.startInstant());
log.info("Total CPU duration: " + processInfo.totalCpuDuration());
log.info("User: " + processInfo.user());
}
private static void infoOfSpawnProcess() throws IOException {
String javaCmd = ProcessUtils.getJavaCmd().getAbsolutePath();
ProcessBuilder processBuilder = new ProcessBuilder(javaCmd, "-version");
Process process = processBuilder.inheritIO().start();
ProcessHandle processHandle = process.toHandle();
ProcessHandle.Info processInfo = processHandle.info();
log.info("PID: " + processHandle.pid());
log.info("Arguments: " + processInfo.arguments());
log.info("Command: " + processInfo.command());
log.info("Instant: " + processInfo.startInstant());
log.info("Total CPU duration: " + processInfo.totalCpuDuration());
log.info("User: " + processInfo.user());
}
private static void infoOfLiveProcesses() {
Stream<ProcessHandle> liveProcesses = ProcessHandle.allProcesses();
liveProcesses.filter(ProcessHandle::isAlive)
.forEach(ph -> {
log.info("PID: " + ph.pid());
log.info("Instance: " + ph.info().startInstant());
log.info("User: " + ph.info().user());
});
}
private static void infoOfChildProcess() throws IOException {
int childProcessCount = 5;
for (int i = 0; i < childProcessCount; i++) {
String javaCmd = ProcessUtils.getJavaCmd()
.getAbsolutePath();
ProcessBuilder processBuilder
= new ProcessBuilder(javaCmd, "-version");
processBuilder.inheritIO().start();
}
Stream<ProcessHandle> children = ProcessHandle.current()
.children();
children.filter(ProcessHandle::isAlive)
.forEach(ph -> log.info("PID: {}, Cmd: {}", ph.pid(), ph.info()
.command()));
Stream<ProcessHandle> descendants = ProcessHandle.current()
.descendants();
descendants.filter(ProcessHandle::isAlive)
.forEach(ph -> log.info("PID: {}, Cmd: {}", ph.pid(), ph.info()
.command()));
}
private static void infoOfExitCallback() throws IOException, InterruptedException, ExecutionException {
String javaCmd = ProcessUtils.getJavaCmd()
.getAbsolutePath();
ProcessBuilder processBuilder
= new ProcessBuilder(javaCmd, "-version");
Process process = processBuilder.inheritIO()
.start();
ProcessHandle processHandle = process.toHandle();
log.info("PID: {} has started", processHandle.pid());
CompletableFuture<ProcessHandle> onProcessExit = processHandle.onExit();
onProcessExit.get();
log.info("Alive: " + processHandle.isAlive());
onProcessExit.thenAccept(ph -> {
log.info("PID: {} has stopped", ph.pid());
});
}
}

132
core-java-modules/core-java-os/src/test/java/com/baeldung/java9/process/ProcessAPIEnhancementsUnitTest.java
View File

@ -1,132 +0,0 @@
package com.baeldung.java9.process;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.util.concurrent.CompletableFuture;
import java.util.stream.Stream;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Created by sanaulla on 2/23/2017.
*/
public class ProcessAPIEnhancementsUnitTest {
Logger log = LoggerFactory.getLogger(ProcessAPIEnhancementsUnitTest.class);
// @Test
// OS / Java version dependent
public void givenCurrentProcess_whenInvokeGetInfo_thenSuccess() throws IOException {
ProcessHandle processHandle = ProcessHandle.current();
ProcessHandle.Info processInfo = processHandle.info();
assertNotNull(processHandle.pid());
assertEquals(true, processInfo.arguments()
.isPresent());
assertEquals(true, processInfo.command()
.isPresent());
assertTrue(processInfo.command()
.get()
.contains("java"));
assertEquals(true, processInfo.startInstant()
.isPresent());
assertEquals(true, processInfo.totalCpuDuration()
.isPresent());
assertEquals(true, processInfo.user()
.isPresent());
}
// @Test
// OS / Java version dependent
public void givenSpawnProcess_whenInvokeGetInfo_thenSuccess() throws IOException {
String javaCmd = ProcessUtils.getJavaCmd()
.getAbsolutePath();
ProcessBuilder processBuilder = new ProcessBuilder(javaCmd, "-version");
Process process = processBuilder.inheritIO()
.start();
ProcessHandle processHandle = process.toHandle();
ProcessHandle.Info processInfo = processHandle.info();
assertNotNull(processHandle.pid());
assertEquals(true, processInfo.arguments()
.isPresent());
assertEquals(true, processInfo.command()
.isPresent());
assertTrue(processInfo.command()
.get()
.contains("java"));
assertEquals(true, processInfo.startInstant()
.isPresent());
assertEquals(false, processInfo.totalCpuDuration()
.isPresent());
assertEquals(true, processInfo.user()
.isPresent());
}
// @Test
// OS / Java version dependent
public void givenLiveProcesses_whenInvokeGetInfo_thenSuccess() {
Stream<ProcessHandle> liveProcesses = ProcessHandle.allProcesses();
liveProcesses.filter(ProcessHandle::isAlive)
.forEach(ph -> {
assertNotNull(ph.pid());
assertEquals(true, ph.info()
.startInstant()
.isPresent());
assertEquals(true, ph.info()
.user()
.isPresent());
});
}
// @Test
// OS / Java version dependent
public void givenProcess_whenGetChildProcess_thenSuccess() throws IOException {
int childProcessCount = 5;
for (int i = 0; i < childProcessCount; i++) {
String javaCmd = ProcessUtils.getJavaCmd()
.getAbsolutePath();
ProcessBuilder processBuilder
= new ProcessBuilder(javaCmd, "-version");
processBuilder.inheritIO().start();
}
Stream<ProcessHandle> children = ProcessHandle.current()
.children();
children.filter(ProcessHandle::isAlive)
.forEach(ph -> log.info("PID: {}, Cmd: {}", ph.pid(), ph.info()
.command()));
Stream<ProcessHandle> descendants = ProcessHandle.current()
.descendants();
descendants.filter(ProcessHandle::isAlive)
.forEach(ph -> log.info("PID: {}, Cmd: {}", ph.pid(), ph.info()
.command()));
}
// @Test
// OS / Java version dependent
public void givenProcess_whenAddExitCallback_thenSuccess() throws Exception {
String javaCmd = ProcessUtils.getJavaCmd()
.getAbsolutePath();
ProcessBuilder processBuilder
= new ProcessBuilder(javaCmd, "-version");
Process process = processBuilder.inheritIO()
.start();
ProcessHandle processHandle = process.toHandle();
log.info("PID: {} has started", processHandle.pid());
CompletableFuture<ProcessHandle> onProcessExit = processHandle.onExit();
onProcessExit.get();
assertEquals(false, processHandle.isAlive());
onProcessExit.thenAccept(ph -> {
log.info("PID: {} has stopped", ph.pid());
});
}
}

1
core-java-modules/core-java-security-3/README.md
View File

@ -5,4 +5,5 @@ This module contains articles about core Java Security
### Relevant Articles:
- [Secret Key and String Conversion in Java](https://www.baeldung.com/java-secret-key-to-string)
- [Enabling Unlimited Strength Cryptography in Java](https://www.baeldung.com/jce-enable-unlimited-strength)
- More articles: [[<-- prev]](/core-java-modules/core-java-security-2)

17
core-java-modules/core-java-security-3/src/test/java/com/baeldung/cryptography/CryptographyStrengthUnitTest.java Normal file
View File

@ -0,0 +1,17 @@
package com.baeldung.cryptography;
import org.junit.Test;
import java.security.NoSuchAlgorithmException;
import static org.assertj.core.api.Assertions.assertThat;
public class CryptographyStrengthUnitTest {
private static final int UNLIMITED_KEY_SIZE = 2147483647;
@Test
public void whenDefaultCheck_thenUnlimitedReturned() throws NoSuchAlgorithmException {
int maxKeySize = javax.crypto.Cipher.getMaxAllowedKeyLength("AES");
assertThat(maxKeySize).isEqualTo(UNLIMITED_KEY_SIZE);
}
}

5
deeplearning4j/pom.xml
View File

@ -39,12 +39,12 @@
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
<version>${org.slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${slf4j.version}</version>
<version>${org.slf4j.version}</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.datavec/datavec-api -->
<dependency>
@ -62,7 +62,6 @@
<properties>
<dl4j.version>0.9.1</dl4j.version> <!-- Latest non beta version -->
<httpclient.version>4.3.5</httpclient.version>
<slf4j.version>1.7.5</slf4j.version>
</properties>
</project>

4
ethereum/pom.xml
View File

@ -99,7 +99,7 @@
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>${slf4j.version}</version>
<version>${org.slf4j.version}</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
@ -204,8 +204,6 @@
<spring.boot.version>1.5.6.RELEASE</spring.boot.version>
<mockito.version>2.21.0</mockito.version>
<jsonpath.version>2.4.0</jsonpath.version>
<logback.version>1.2.3</logback.version>
<slf4j.version>1.7.25</slf4j.version>
<spring-boot-maven-plugin.version>2.0.4.RELEASE</spring-boot-maven-plugin.version>
<compiler.plugin.version>3.1</compiler.plugin.version>
</properties>

3
jackson-modules/jackson-conversions-2/pom.xml
View File

@ -24,7 +24,7 @@
<dependency>
<groupId>com.fasterxml.jackson.datatype</groupId>
<artifactId>jackson-datatype-jsr310</artifactId>
<version>${jackson-datatype.version}</version>
<version>${jackson.version}</version>
</dependency>
<!-- CSV -->
<dependency>
@ -52,7 +52,6 @@
<properties>
<assertj.version>3.11.0</assertj.version>
<jackson-datatype.version>2.9.8</jackson-datatype.version>
</properties>
</project>

41
jackson-modules/jackson/src/test/java/com/baeldung/jackson/inheritance/SubTypeHandlingUnitTest.java
View File

@ -1,14 +1,22 @@
package com.baeldung.jackson.inheritance;
import static org.hamcrest.CoreMatchers.instanceOf;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.junit.Test;
import java.util.List;
import java.util.ArrayList;
import java.io.IOException;
import com.baeldung.jackson.inheritance.SubTypeConstructorStructure.Car;
import com.baeldung.jackson.inheritance.SubTypeConstructorStructure.Fleet;
import com.baeldung.jackson.inheritance.SubTypeConstructorStructure.Truck;
import com.baeldung.jackson.inheritance.SubTypeConstructorStructure.Vehicle;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.jsontype.BasicPolymorphicTypeValidator;
import com.fasterxml.jackson.databind.jsontype.PolymorphicTypeValidator;
public class SubTypeHandlingUnitTest {
@Test
@ -23,21 +31,30 @@ public class SubTypeHandlingUnitTest {
}
@Test
public void givenSubType_whenNotUsingNoArgsConstructors_thenSucceed() throws IOException {
public void givenSubType_whenNotUsingNoArgsConstructors_thenSucceed() throws IOException {
ObjectMapper mapper = new ObjectMapper();
mapper.enableDefaultTyping();
PolymorphicTypeValidator ptv = BasicPolymorphicTypeValidator.builder()
.allowIfSubType("com.baeldung.jackson.inheritance")
.allowIfSubType("java.util.ArrayList")
.build();
mapper.activateDefaultTyping(ptv, ObjectMapper.DefaultTyping.NON_FINAL);
Car car = new Car("Mercedes-Benz", "S500", 5, 250.0);
Truck truck = new Truck("Isuzu", "NQR", 7500.0);
SubTypeConstructorStructure.Car car = new SubTypeConstructorStructure.Car("Mercedes-Benz", "S500", 5, 250.0);
SubTypeConstructorStructure.Truck truck = new SubTypeConstructorStructure.Truck("Isuzu", "NQR", 7500.0);
List<SubTypeConstructorStructure.Vehicle> vehicles = new ArrayList<>();
List<Vehicle> vehicles = new ArrayList<>();
vehicles.add(car);
vehicles.add(truck);
SubTypeConstructorStructure.Fleet serializedFleet = new SubTypeConstructorStructure.Fleet();
Fleet serializedFleet = new Fleet();
serializedFleet.setVehicles(vehicles);
String jsonDataString = mapper.writeValueAsString(serializedFleet);
mapper.readValue(jsonDataString, SubTypeConstructorStructure.Fleet.class);
mapper.readValue(jsonDataString, Fleet.class);
Fleet deserializedFleet = mapper.readValue(jsonDataString, Fleet.class);
assertThat(deserializedFleet.getVehicles().get(0), instanceOf(Car.class));
assertThat(deserializedFleet.getVehicles().get(1), instanceOf(Truck.class));
}
}

8
jackson-modules/jackson/src/test/java/com/baeldung/jackson/inheritance/TypeInfoInclusionUnitTest.java
View File

@ -10,12 +10,18 @@ import java.util.ArrayList;
import java.io.IOException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.jsontype.BasicPolymorphicTypeValidator;
import com.fasterxml.jackson.databind.jsontype.PolymorphicTypeValidator;
public class TypeInfoInclusionUnitTest {
@Test
public void givenTypeInfo_whenAnnotatingGlobally_thenTypesAreCorrectlyRecovered() throws IOException {
ObjectMapper mapper = new ObjectMapper();
mapper.enableDefaultTyping();
PolymorphicTypeValidator ptv = BasicPolymorphicTypeValidator.builder()
.allowIfSubType("com.baeldung.jackson.inheritance")
.allowIfSubType("java.util.ArrayList")
.build();
mapper.activateDefaultTyping(ptv, ObjectMapper.DefaultTyping.NON_FINAL);
TypeInfoStructure.Car car = new TypeInfoStructure.Car("Mercedes-Benz", "S500", 5, 250.0);
TypeInfoStructure.Truck truck = new TypeInfoStructure.Truck("Isuzu", "NQR", 7500.0);

1
json-2/README.md
View File

@ -7,3 +7,4 @@ This module contains articles about JSON.
- [Introduction to Jsoniter](https://www.baeldung.com/java-jsoniter)
- [Introduction to Moshi Json](https://www.baeldung.com/java-json-moshi)
- [Hypermedia Serialization With JSON-LD](https://www.baeldung.com/json-linked-data)
- [Generate a Java Class From JSON](https://www.baeldung.com/java-generate-class-from-json)

20
json-2/src/main/java/com/baeldung/jsontojavaclass/JsonToJavaClassConversion.java
View File

@ -17,7 +17,22 @@ import com.sun.codemodel.JCodeModel;
public class JsonToJavaClassConversion {
public Object convertJsonToJavaClass(URL inputJson, File outputJavaClassDirectory, String packageName, String className) throws IOException {
public static void main(String[] args) {
String packageName = "com.baeldung.jsontojavaclass.pojo";
String basePath = "src/main/resources";
File inputJson = new File(basePath + File.separator + "input.json");
File outputPojoDirectory = new File(basePath + File.separator + "convertedPojo");
outputPojoDirectory.mkdirs();
try {
new JsonToJavaClassConversion().convertJsonToJavaClass(inputJson.toURI().toURL(), outputPojoDirectory, packageName, inputJson.getName().replace(".json", ""));
} catch (IOException e) {
System.out.println("Encountered issue while converting to pojo: " + e.getMessage());
e.printStackTrace();
}
}
public void convertJsonToJavaClass(URL inputJsonUrl, File outputJavaClassDirectory, String packageName, String javaClassName) throws IOException {
JCodeModel jcodeModel = new JCodeModel();
GenerationConfig config = new DefaultGenerationConfig() {
@ -33,10 +48,9 @@ public class JsonToJavaClassConversion {
};
SchemaMapper mapper = new SchemaMapper(new RuleFactory(config, new Jackson2Annotator(config), new SchemaStore()), new SchemaGenerator());
mapper.generate(jcodeModel, className, packageName, inputJson);
mapper.generate(jcodeModel, javaClassName, packageName, inputJsonUrl);
jcodeModel.build(outputJavaClassDirectory);
return mapper;
}
}

53
json-2/src/main/java/com/baeldung/jsontojavaclass/pojo/SamplePojo.java
View File

@ -5,9 +5,7 @@ import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.annotation.Generated;
import com.fasterxml.jackson.annotation.JsonAnyGetter;
import com.fasterxml.jackson.annotation.JsonAnySetter;
import com.fasterxml.jackson.annotation.JsonIgnore;
@ -16,7 +14,14 @@ import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonPropertyOrder;
@JsonInclude(JsonInclude.Include.NON_NULL)
@JsonPropertyOrder({ "name", "area", "author", "id", "salary", "topics" })
@JsonPropertyOrder({
"name",
"area",
"author",
"id",
"salary",
"topics"
})
@Generated("jsonschema2pojo")
public class SamplePojo {
@ -143,40 +148,37 @@ public class SamplePojo {
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(SamplePojo.class.getName())
.append('@')
.append(Integer.toHexString(System.identityHashCode(this)))
.append('[');
sb.append(SamplePojo.class.getName()).append('@').append(Integer.toHexString(System.identityHashCode(this))).append('[');
sb.append("name");
sb.append('=');
sb.append(((this.name == null) ? "<null>" : this.name));
sb.append(((this.name == null)?"<null>":this.name));
sb.append(',');
sb.append("area");
sb.append('=');
sb.append(((this.area == null) ? "<null>" : this.area));
sb.append(((this.area == null)?"<null>":this.area));
sb.append(',');
sb.append("author");
sb.append('=');
sb.append(((this.author == null) ? "<null>" : this.author));
sb.append(((this.author == null)?"<null>":this.author));
sb.append(',');
sb.append("id");
sb.append('=');
sb.append(((this.id == null) ? "<null>" : this.id));
sb.append(((this.id == null)?"<null>":this.id));
sb.append(',');
sb.append("salary");
sb.append('=');
sb.append(((this.salary == null) ? "<null>" : this.salary));
sb.append(((this.salary == null)?"<null>":this.salary));
sb.append(',');
sb.append("topics");
sb.append('=');
sb.append(((this.topics == null) ? "<null>" : this.topics));
sb.append(((this.topics == null)?"<null>":this.topics));
sb.append(',');
sb.append("additionalProperties");
sb.append('=');
sb.append(((this.additionalProperties == null) ? "<null>" : this.additionalProperties));
sb.append(((this.additionalProperties == null)?"<null>":this.additionalProperties));
sb.append(',');
if (sb.charAt((sb.length() - 1)) == ',') {
sb.setCharAt((sb.length() - 1), ']');
if (sb.charAt((sb.length()- 1)) == ',') {
sb.setCharAt((sb.length()- 1), ']');
} else {
sb.append(']');
}
@ -186,13 +188,13 @@ public class SamplePojo {
@Override
public int hashCode() {
int result = 1;
result = ((result * 31) + ((this.area == null) ? 0 : this.area.hashCode()));
result = ((result * 31) + ((this.author == null) ? 0 : this.author.hashCode()));
result = ((result * 31) + ((this.topics == null) ? 0 : this.topics.hashCode()));
result = ((result * 31) + ((this.name == null) ? 0 : this.name.hashCode()));
result = ((result * 31) + ((this.id == null) ? 0 : this.id.hashCode()));
result = ((result * 31) + ((this.additionalProperties == null) ? 0 : this.additionalProperties.hashCode()));
result = ((result * 31) + ((this.salary == null) ? 0 : this.salary.hashCode()));
result = ((result* 31)+((this.area == null)? 0 :this.area.hashCode()));
result = ((result* 31)+((this.author == null)? 0 :this.author.hashCode()));
result = ((result* 31)+((this.topics == null)? 0 :this.topics.hashCode()));
result = ((result* 31)+((this.name == null)? 0 :this.name.hashCode()));
result = ((result* 31)+((this.id == null)? 0 :this.id.hashCode()));
result = ((result* 31)+((this.additionalProperties == null)? 0 :this.additionalProperties.hashCode()));
result = ((result* 31)+((this.salary == null)? 0 :this.salary.hashCode()));
return result;
}
@ -205,10 +207,7 @@ public class SamplePojo {
return false;
}
SamplePojo rhs = ((SamplePojo) other);
return ((((((((this.area == rhs.area) || ((this.area != null) && this.area.equals(rhs.area))) && ((this.author == rhs.author) || ((this.author != null) && this.author.equals(rhs.author))))
&& ((this.topics == rhs.topics) || ((this.topics != null) && this.topics.equals(rhs.topics)))) && ((this.name == rhs.name) || ((this.name != null) && this.name.equals(rhs.name))))
&& ((this.id == rhs.id) || ((this.id != null) && this.id.equals(rhs.id)))) && ((this.additionalProperties == rhs.additionalProperties) || ((this.additionalProperties != null) && this.additionalProperties.equals(rhs.additionalProperties))))
&& ((this.salary == rhs.salary) || ((this.salary != null) && this.salary.equals(rhs.salary))));
return ((((((((this.area == rhs.area)||((this.area!= null)&&this.area.equals(rhs.area)))&&((this.author == rhs.author)||((this.author!= null)&&this.author.equals(rhs.author))))&&((this.topics == rhs.topics)||((this.topics!= null)&&this.topics.equals(rhs.topics))))&&((this.name == rhs.name)||((this.name!= null)&&this.name.equals(rhs.name))))&&((this.id == rhs.id)||((this.id!= null)&&this.id.equals(rhs.id))))&&((this.additionalProperties == rhs.additionalProperties)||((this.additionalProperties!= null)&&this.additionalProperties.equals(rhs.additionalProperties))))&&((this.salary == rhs.salary)||((this.salary!= null)&&this.salary.equals(rhs.salary))));
}
}

119
json-2/src/main/resources/convertedPojo/com/baeldung/jsontojavaclass/pojo/Address.java Normal file
View File

@ -0,0 +1,119 @@
package com.baeldung.jsontojavaclass.pojo;
import java.util.HashMap;
import java.util.Map;
import javax.annotation.Generated;
import com.fasterxml.jackson.annotation.JsonAnyGetter;
import com.fasterxml.jackson.annotation.JsonAnySetter;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonPropertyOrder;
@JsonInclude(JsonInclude.Include.NON_NULL)
@JsonPropertyOrder({
"city",
"country"
})
@Generated("jsonschema2pojo")
public class Address {
@JsonProperty("city")
private String city;
@JsonProperty("country")
private String country;
@JsonIgnore
private Map<String, Object> additionalProperties = new HashMap<String, Object>();
@JsonProperty("city")
public String getCity() {
return city;
}
@JsonProperty("city")
public void setCity(String city) {
this.city = city;
}
public Address withCity(String city) {
this.city = city;
return this;
}
@JsonProperty("country")
public String getCountry() {
return country;
}
@JsonProperty("country")
public void setCountry(String country) {
this.country = country;
}
public Address withCountry(String country) {
this.country = country;
return this;
}
@JsonAnyGetter
public Map<String, Object> getAdditionalProperties() {
return this.additionalProperties;
}
@JsonAnySetter
public void setAdditionalProperty(String name, Object value) {
this.additionalProperties.put(name, value);
}
public Address withAdditionalProperty(String name, Object value) {
this.additionalProperties.put(name, value);
return this;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(Address.class.getName()).append('@').append(Integer.toHexString(System.identityHashCode(this))).append('[');
sb.append("city");
sb.append('=');
sb.append(((this.city == null)?"<null>":this.city));
sb.append(',');
sb.append("country");
sb.append('=');
sb.append(((this.country == null)?"<null>":this.country));
sb.append(',');
sb.append("additionalProperties");
sb.append('=');
sb.append(((this.additionalProperties == null)?"<null>":this.additionalProperties));
sb.append(',');
if (sb.charAt((sb.length()- 1)) == ',') {
sb.setCharAt((sb.length()- 1), ']');
} else {
sb.append(']');
}
return sb.toString();
}
@Override
public int hashCode() {
int result = 1;
result = ((result* 31)+((this.country == null)? 0 :this.country.hashCode()));
result = ((result* 31)+((this.additionalProperties == null)? 0 :this.additionalProperties.hashCode()));
result = ((result* 31)+((this.city == null)? 0 :this.city.hashCode()));
return result;
}
@Override
public boolean equals(Object other) {
if (other == this) {
return true;
}
if ((other instanceof Address) == false) {
return false;
}
Address rhs = ((Address) other);
return ((((this.country == rhs.country)||((this.country!= null)&&this.country.equals(rhs.country)))&&((this.additionalProperties == rhs.additionalProperties)||((this.additionalProperties!= null)&&this.additionalProperties.equals(rhs.additionalProperties))))&&((this.city == rhs.city)||((this.city!= null)&&this.city.equals(rhs.city))));
}
}

213
json-2/src/main/resources/convertedPojo/com/baeldung/jsontojavaclass/pojo/Input.java Normal file
View File

@ -0,0 +1,213 @@
package com.baeldung.jsontojavaclass.pojo;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.annotation.Generated;
import com.fasterxml.jackson.annotation.JsonAnyGetter;
import com.fasterxml.jackson.annotation.JsonAnySetter;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonPropertyOrder;
@JsonInclude(JsonInclude.Include.NON_NULL)
@JsonPropertyOrder({
"name",
"area",
"author",
"id",
"topics",
"address"
})
@Generated("jsonschema2pojo")
public class Input {
@JsonProperty("name")
private String name;
@JsonProperty("area")
private String area;
@JsonProperty("author")
private String author;
@JsonProperty("id")
private Integer id;
@JsonProperty("topics")
private List<String> topics = new ArrayList<String>();
@JsonProperty("address")
private Address address;
@JsonIgnore
private Map<String, Object> additionalProperties = new HashMap<String, Object>();
@JsonProperty("name")
public String getName() {
return name;
}
@JsonProperty("name")
public void setName(String name) {
this.name = name;
}
public Input withName(String name) {
this.name = name;
return this;
}
@JsonProperty("area")
public String getArea() {
return area;
}
@JsonProperty("area")
public void setArea(String area) {
this.area = area;
}
public Input withArea(String area) {
this.area = area;
return this;
}
@JsonProperty("author")
public String getAuthor() {
return author;
}
@JsonProperty("author")
public void setAuthor(String author) {
this.author = author;
}
public Input withAuthor(String author) {
this.author = author;
return this;
}
@JsonProperty("id")
public Integer getId() {
return id;
}
@JsonProperty("id")
public void setId(Integer id) {
this.id = id;
}
public Input withId(Integer id) {
this.id = id;
return this;
}
@JsonProperty("topics")
public List<String> getTopics() {
return topics;
}
@JsonProperty("topics")
public void setTopics(List<String> topics) {
this.topics = topics;
}
public Input withTopics(List<String> topics) {
this.topics = topics;
return this;
}
@JsonProperty("address")
public Address getAddress() {
return address;
}
@JsonProperty("address")
public void setAddress(Address address) {
this.address = address;
}
public Input withAddress(Address address) {
this.address = address;
return this;
}
@JsonAnyGetter
public Map<String, Object> getAdditionalProperties() {
return this.additionalProperties;
}
@JsonAnySetter
public void setAdditionalProperty(String name, Object value) {
this.additionalProperties.put(name, value);
}
public Input withAdditionalProperty(String name, Object value) {
this.additionalProperties.put(name, value);
return this;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(Input.class.getName()).append('@').append(Integer.toHexString(System.identityHashCode(this))).append('[');
sb.append("name");
sb.append('=');
sb.append(((this.name == null)?"<null>":this.name));
sb.append(',');
sb.append("area");
sb.append('=');
sb.append(((this.area == null)?"<null>":this.area));
sb.append(',');
sb.append("author");
sb.append('=');
sb.append(((this.author == null)?"<null>":this.author));
sb.append(',');
sb.append("id");
sb.append('=');
sb.append(((this.id == null)?"<null>":this.id));
sb.append(',');
sb.append("topics");
sb.append('=');
sb.append(((this.topics == null)?"<null>":this.topics));
sb.append(',');
sb.append("address");
sb.append('=');
sb.append(((this.address == null)?"<null>":this.address));
sb.append(',');
sb.append("additionalProperties");
sb.append('=');
sb.append(((this.additionalProperties == null)?"<null>":this.additionalProperties));
sb.append(',');
if (sb.charAt((sb.length()- 1)) == ',') {
sb.setCharAt((sb.length()- 1), ']');
} else {
sb.append(']');
}
return sb.toString();
}
@Override
public int hashCode() {
int result = 1;
result = ((result* 31)+((this.area == null)? 0 :this.area.hashCode()));
result = ((result* 31)+((this.address == null)? 0 :this.address.hashCode()));
result = ((result* 31)+((this.author == null)? 0 :this.author.hashCode()));
result = ((result* 31)+((this.topics == null)? 0 :this.topics.hashCode()));
result = ((result* 31)+((this.name == null)? 0 :this.name.hashCode()));
result = ((result* 31)+((this.id == null)? 0 :this.id.hashCode()));
result = ((result* 31)+((this.additionalProperties == null)? 0 :this.additionalProperties.hashCode()));
return result;
}
@Override
public boolean equals(Object other) {
if (other == this) {
return true;
}
if ((other instanceof Input) == false) {
return false;
}
Input rhs = ((Input) other);
return ((((((((this.area == rhs.area)||((this.area!= null)&&this.area.equals(rhs.area)))&&((this.address == rhs.address)||((this.address!= null)&&this.address.equals(rhs.address))))&&((this.author == rhs.author)||((this.author!= null)&&this.author.equals(rhs.author))))&&((this.topics == rhs.topics)||((this.topics!= null)&&this.topics.equals(rhs.topics))))&&((this.name == rhs.name)||((this.name!= null)&&this.name.equals(rhs.name))))&&((this.id == rhs.id)||((this.id!= null)&&this.id.equals(rhs.id))))&&((this.additionalProperties == rhs.additionalProperties)||((this.additionalProperties!= null)&&this.additionalProperties.equals(rhs.additionalProperties))));
}
}

16
json-2/src/main/resources/input.json Normal file
View File

@ -0,0 +1,16 @@
{
"name": "Baeldung",
"area": "tech blogs",
"author": "Eugen",
"id": 32134,
"topics": [
"java",
"kotlin",
"cs",
"linux"
],
"address": {
"city": "Bucharest",
"country": "Romania"
}
}

14
json-2/src/test/java/com/baeldung/jsontojavaclass/JsonToJavaClassConversionUnitTest.java
View File

@ -3,6 +3,7 @@ package com.baeldung.jsontojavaclass;
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.util.Arrays;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
@ -21,17 +22,16 @@ class JsonToJavaClassConversionUnitTest {
File inputJson = new File(jsonPath + "sample_input.json");
// create the local directory for generating the Java Class file
String outputPath = "src/main/java/";
String outputPath = "src/test/resources/";
File outputJavaClassDirectory = new File(outputPath);
outputJavaClassDirectory.mkdirs();
String className = "SamplePojo";
String javaClassName = "SamplePojo";
Object object = jsonToJavaConversion.convertJsonToJavaClass(inputJson.toURI()
.toURL(), outputJavaClassDirectory, packageName, className);
System.out.println(object);
jsonToJavaConversion.convertJsonToJavaClass(inputJson.toURI()
.toURL(), outputJavaClassDirectory, packageName, javaClassName);
Assertions.assertNotNull(object);
File outputJavaClassPath = new File(outputPath + packageName.replace(".", "/"));
Assertions.assertTrue(Arrays.stream(outputJavaClassPath.listFiles()).peek(System.out::println).anyMatch(file -> (javaClassName+".java").equalsIgnoreCase(file.getName())));
}

213
json-2/src/test/resources/com/baeldung/jsontojavaclass/pojo/SamplePojo.java Normal file
View File

@ -0,0 +1,213 @@
package com.baeldung.jsontojavaclass.pojo;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.annotation.Generated;
import com.fasterxml.jackson.annotation.JsonAnyGetter;
import com.fasterxml.jackson.annotation.JsonAnySetter;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonPropertyOrder;
@JsonInclude(JsonInclude.Include.NON_NULL)
@JsonPropertyOrder({
"name",
"area",
"author",
"id",
"salary",
"topics"
})
@Generated("jsonschema2pojo")
public class SamplePojo {
@JsonProperty("name")
private String name;
@JsonProperty("area")
private String area;
@JsonProperty("author")
private String author;
@JsonProperty("id")
private Integer id;
@JsonProperty("salary")
private Integer salary;
@JsonProperty("topics")
private List<String> topics = new ArrayList<String>();
@JsonIgnore
private Map<String, Object> additionalProperties = new HashMap<String, Object>();
@JsonProperty("name")
public String getName() {
return name;
}
@JsonProperty("name")
public void setName(String name) {
this.name = name;
}
public SamplePojo withName(String name) {
this.name = name;
return this;
}
@JsonProperty("area")
public String getArea() {
return area;
}
@JsonProperty("area")
public void setArea(String area) {
this.area = area;
}
public SamplePojo withArea(String area) {
this.area = area;
return this;
}
@JsonProperty("author")
public String getAuthor() {
return author;
}
@JsonProperty("author")
public void setAuthor(String author) {
this.author = author;
}
public SamplePojo withAuthor(String author) {
this.author = author;
return this;
}
@JsonProperty("id")
public Integer getId() {
return id;
}
@JsonProperty("id")
public void setId(Integer id) {
this.id = id;
}
public SamplePojo withId(Integer id) {
this.id = id;
return this;
}
@JsonProperty("salary")
public Integer getSalary() {
return salary;
}
@JsonProperty("salary")
public void setSalary(Integer salary) {
this.salary = salary;
}
public SamplePojo withSalary(Integer salary) {
this.salary = salary;
return this;
}
@JsonProperty("topics")
public List<String> getTopics() {
return topics;
}
@JsonProperty("topics")
public void setTopics(List<String> topics) {
this.topics = topics;
}
public SamplePojo withTopics(List<String> topics) {
this.topics = topics;
return this;
}
@JsonAnyGetter
public Map<String, Object> getAdditionalProperties() {
return this.additionalProperties;
}
@JsonAnySetter
public void setAdditionalProperty(String name, Object value) {
this.additionalProperties.put(name, value);
}
public SamplePojo withAdditionalProperty(String name, Object value) {
this.additionalProperties.put(name, value);
return this;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(SamplePojo.class.getName()).append('@').append(Integer.toHexString(System.identityHashCode(this))).append('[');
sb.append("name");
sb.append('=');
sb.append(((this.name == null)?"<null>":this.name));
sb.append(',');
sb.append("area");
sb.append('=');
sb.append(((this.area == null)?"<null>":this.area));
sb.append(',');
sb.append("author");
sb.append('=');
sb.append(((this.author == null)?"<null>":this.author));
sb.append(',');
sb.append("id");
sb.append('=');
sb.append(((this.id == null)?"<null>":this.id));
sb.append(',');
sb.append("salary");
sb.append('=');
sb.append(((this.salary == null)?"<null>":this.salary));
sb.append(',');
sb.append("topics");
sb.append('=');
sb.append(((this.topics == null)?"<null>":this.topics));
sb.append(',');
sb.append("additionalProperties");
sb.append('=');
sb.append(((this.additionalProperties == null)?"<null>":this.additionalProperties));
sb.append(',');
if (sb.charAt((sb.length()- 1)) == ',') {
sb.setCharAt((sb.length()- 1), ']');
} else {
sb.append(']');
}
return sb.toString();
}
@Override
public int hashCode() {
int result = 1;
result = ((result* 31)+((this.area == null)? 0 :this.area.hashCode()));
result = ((result* 31)+((this.author == null)? 0 :this.author.hashCode()));
result = ((result* 31)+((this.topics == null)? 0 :this.topics.hashCode()));
result = ((result* 31)+((this.name == null)? 0 :this.name.hashCode()));
result = ((result* 31)+((this.id == null)? 0 :this.id.hashCode()));
result = ((result* 31)+((this.additionalProperties == null)? 0 :this.additionalProperties.hashCode()));
result = ((result* 31)+((this.salary == null)? 0 :this.salary.hashCode()));
return result;
}
@Override
public boolean equals(Object other) {
if (other == this) {
return true;
}
if ((other instanceof SamplePojo) == false) {
return false;
}
SamplePojo rhs = ((SamplePojo) other);
return ((((((((this.area == rhs.area)||((this.area!= null)&&this.area.equals(rhs.area)))&&((this.author == rhs.author)||((this.author!= null)&&this.author.equals(rhs.author))))&&((this.topics == rhs.topics)||((this.topics!= null)&&this.topics.equals(rhs.topics))))&&((this.name == rhs.name)||((this.name!= null)&&this.name.equals(rhs.name))))&&((this.id == rhs.id)||((this.id!= null)&&this.id.equals(rhs.id))))&&((this.additionalProperties == rhs.additionalProperties)||((this.additionalProperties!= null)&&this.additionalProperties.equals(rhs.additionalProperties))))&&((this.salary == rhs.salary)||((this.salary!= null)&&this.salary.equals(rhs.salary))));
}
}

1
kubernetes/k8s-admission-controller/README.md
View File

@ -1,3 +1,4 @@
## Relevant Articles:
- [Creating a Kubertes Admission Controller in Java](https://www.baeldung.com/java-kubernetes-admission-controller)
- [Access Control Models](https://www.baeldung.com/java-access-control-models)

5
libraries-data-2/pom.xml
View File

@ -104,12 +104,12 @@
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
<version>${org.slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${slf4j.version}</version>
<version>${org.slf4j.version}</version>
</dependency>
<dependency>
<groupId>com.univocity</groupId>
@ -161,7 +161,6 @@
<suanshu.version>4.0.0</suanshu.version>
<derive4j.version>1.1.0</derive4j.version>
<assertj.version>3.6.2</assertj.version>
<slf4j.version>1.7.25</slf4j.version>
<awaitility.version>3.0.0</awaitility.version>
<univocity.version>2.8.4</univocity.version>
<guava.version>29.0-jre</guava.version>

3
libraries-data/pom.xml
View File

@ -108,7 +108,7 @@
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
<version>${org.slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.apache.storm</groupId>
@ -173,7 +173,6 @@
<hazelcast.version>3.8.4</hazelcast.version>
<org.apache.crunch.crunch-core.version>0.15.0</org.apache.crunch.crunch-core.version>
<org.apache.hadoop.hadoop-client>2.2.0</org.apache.hadoop.hadoop-client>
<slf4j.version>1.7.25</slf4j.version>
<jmapper.version>1.6.0.1</jmapper.version>
</properties>

7
libraries-io/src/main/java/com/baeldung/java/io/zip4j/CreateSplitZipFile.java
View File

@ -1,22 +1,23 @@
package com.baeldung.java.io.zip4j;
import net.lingala.zip4j.ZipFile;
import net.lingala.zip4j.exception.ZipException;
import net.lingala.zip4j.model.ZipParameters;
import net.lingala.zip4j.model.enums.EncryptionMethod;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
public class CreateSplitZipFile {
public static void main(String[] args) throws ZipException {
public static void main(String[] args) throws IOException {
ZipParameters zipParameters = new ZipParameters();
zipParameters.setEncryptFiles(true);
zipParameters.setEncryptionMethod(EncryptionMethod.AES);
ZipFile zipFile = new ZipFile("compressed.zip", "password".toCharArray());
int splitLength = 1024 * 1024 * 10; //10MB
int splitLength = 1024 * 1024 * 10; // 10MB
zipFile.createSplitZipFile(Arrays.asList(new File("aFile.txt")), zipParameters, true, splitLength);
zipFile.createSplitZipFileFromFolder(new File("/users/folder_to_add"), zipParameters, true, splitLength);
zipFile.close();
}
}

6
libraries-io/src/main/java/com/baeldung/java/io/zip4j/ExtractAllFile.java
View File

@ -1,12 +1,14 @@
package com.baeldung.java.io.zip4j;
import java.io.IOException;
import net.lingala.zip4j.ZipFile;
import net.lingala.zip4j.exception.ZipException;
public class ExtractAllFile {
public static void main(String[] args) throws ZipException {
public static void main(String[] args) throws IOException {
ZipFile zipFile = new ZipFile("compressed.zip", "password".toCharArray());
zipFile.extractAll("/destination_directory");
zipFile.close();
}
}

6
libraries-io/src/main/java/com/baeldung/java/io/zip4j/ExtractSingleFile.java
View File

@ -1,12 +1,14 @@
package com.baeldung.java.io.zip4j;
import java.io.IOException;
import net.lingala.zip4j.ZipFile;
import net.lingala.zip4j.exception.ZipException;
public class ExtractSingleFile {
public static void main(String[] args) throws ZipException {
public static void main(String[] args) throws IOException {
ZipFile zipFile = new ZipFile("compressed.zip", "password".toCharArray());
zipFile.extractFile("aFile.txt", "/destination_directory");
zipFile.close();
}
}

5
libraries-io/src/main/java/com/baeldung/java/io/zip4j/ZipFolder.java
View File

@ -1,19 +1,20 @@
package com.baeldung.java.io.zip4j;
import net.lingala.zip4j.ZipFile;
import net.lingala.zip4j.exception.ZipException;
import net.lingala.zip4j.model.ZipParameters;
import net.lingala.zip4j.model.enums.EncryptionMethod;
import java.io.File;
import java.io.IOException;
public class ZipFolder {
public static void main(String[] args) throws ZipException {
public static void main(String[] args) throws IOException {
ZipParameters zipParameters = new ZipParameters();
zipParameters.setEncryptFiles(true);
zipParameters.setEncryptionMethod(EncryptionMethod.AES);
ZipFile zipFile = new ZipFile("compressed.zip", "password".toCharArray());
zipFile.addFolder(new File("/users/folder_to_add"), zipParameters);
zipFile.close();
}
}

19
libraries-io/src/main/java/com/baeldung/java/io/zip4j/ZipMultiFile.java
View File

@ -1,27 +1,34 @@
package com.baeldung.java.io.zip4j;
import net.lingala.zip4j.ZipFile;
import net.lingala.zip4j.exception.ZipException;
import net.lingala.zip4j.model.ZipParameters;
import net.lingala.zip4j.model.enums.EncryptionMethod;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
public class ZipMultiFile {
public static void main(String[] args) throws ZipException {
public static void main(String[] args) throws IOException {
ZipParameters zipParameters = new ZipParameters();
zipParameters.setEncryptFiles(true);
zipParameters.setEncryptionMethod(EncryptionMethod.AES);
List<File> filesToAdd = Arrays.asList(
new File("aFile.txt"),
new File("bFile.txt")
);
File firstFile = new File("aFile.txt");
File secondFile = new File("bFile.txt");
if (!firstFile.exists()) {
firstFile.createNewFile();
}
if (!secondFile.exists()) {
secondFile.createNewFile();
}
List<File> filesToAdd = Arrays.asList(firstFile, secondFile);
ZipFile zipFile = new ZipFile("compressed.zip", "password".toCharArray());
zipFile.addFiles(filesToAdd, zipParameters);
zipFile.close();
}
}

12
libraries-io/src/main/java/com/baeldung/java/io/zip4j/ZipSingleFile.java
View File

@ -1,21 +1,27 @@
package com.baeldung.java.io.zip4j;
import net.lingala.zip4j.ZipFile;
import net.lingala.zip4j.exception.ZipException;
import net.lingala.zip4j.model.ZipParameters;
import net.lingala.zip4j.model.enums.CompressionLevel;
import net.lingala.zip4j.model.enums.EncryptionMethod;
import java.io.File;
import java.io.IOException;
public class ZipSingleFile {
public static void main(String[] args) throws ZipException {
public static void main(String[] args) throws IOException {
ZipParameters zipParameters = new ZipParameters();
zipParameters.setEncryptFiles(true);
zipParameters.setCompressionLevel(CompressionLevel.HIGHER);
zipParameters.setEncryptionMethod(EncryptionMethod.AES);
ZipFile zipFile = new ZipFile("compressed.zip", "password".toCharArray());
zipFile.addFile(new File("aFile.txt"));
File fileToAdd = new File("aFile.txt");
if (!fileToAdd.exists()) {
fileToAdd.createNewFile();
}
zipFile.addFile(fileToAdd);
zipFile.close();
}
}

1
logging-modules/logback/pom.xml
View File

@ -69,7 +69,6 @@
</dependencies>
<properties>
<logback.version>1.2.3</logback.version>
<logback.contrib.version>0.1.5</logback.contrib.version>
<docx4j.version>3.3.5</docx4j.version>
<javax.mail.version>1.4.7</javax.mail.version>

2
maven-modules/maven-parent-pom-resolution/README.md
View File

@ -1,3 +1,3 @@
### Relevant Articles:
- [Understanding the "relativePath" Tag - Maven Parent POM Resolution At A Glance](https://www.baeldung.com/maven-relativepath)
- [Understanding Maven’s “relativePath” Tag for a Parent POM](https://www.baeldung.com/maven-relativepath)

8
maven-modules/maven-parent-pom-resolution/project-a/project-b/pom.xml → maven-modules/maven-parent-pom-resolution/aggregator/module1/pom.xml
View File

@ -3,11 +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">
<modelVersion>4.0.0</modelVersion>
<artifactId>project-b</artifactId>
<artifactId>module1</artifactId>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>project-a</artifactId>
<version>1.0-SNAPSHOT</version>
<groupId>com.baeldung.maven-parent-pom-resolution</groupId>
<artifactId>aggregator</artifactId>
<version>1.0.0-SNAPSHOT</version>
<!-- The parent pom is resolved to project a's pom.xml -->
</parent>
<packaging>pom</packaging>

8
maven-modules/maven-parent-pom-resolution/project-a/project-c/project-d/pom.xml → maven-modules/maven-parent-pom-resolution/aggregator/module2/module3/pom.xml
View File

@ -3,11 +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">
<modelVersion>4.0.0</modelVersion>
<artifactId>project-d</artifactId>
<artifactId>module3</artifactId>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>project-a</artifactId>
<version>1.0-SNAPSHOT</version>
<groupId>com.baeldung.maven-parent-pom-resolution</groupId>
<artifactId>aggregator</artifactId>
<version>1.0.0-SNAPSHOT</version>
<!-- removing relativePath won't work even if project-a is the aggregator project -->
<!-- it only works in IntelliJ IDEA when project-a is registered as a Maven Project -->
<relativePath>../../pom.xml</relativePath>

12
maven-modules/maven-parent-pom-resolution/project-a/project-c/pom.xml → maven-modules/maven-parent-pom-resolution/aggregator/module2/pom.xml
View File

@ -3,18 +3,18 @@
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">
<modelVersion>4.0.0</modelVersion>
<artifactId>project-c</artifactId>
<artifactId>module2</artifactId>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>project-b</artifactId>
<version>1.0-SNAPSHOT</version>
<relativePath>../project-b/pom.xml</relativePath>
<groupId>com.baeldung.maven-parent-pom-resolution</groupId>
<artifactId>module1</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../module1/pom.xml</relativePath>
<!-- The parent pom is resolved to project a's pom.xml -->
</parent>
<packaging>pom</packaging>
<modules>
<module>project-d</module>
<module>module3</module>
</modules>
</project>

9
maven-modules/maven-parent-pom-resolution/project-a/pom.xml → maven-modules/maven-parent-pom-resolution/aggregator/pom.xml
View File

@ -3,18 +3,19 @@
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">
<modelVersion>4.0.0</modelVersion>
<artifactId>project-a</artifactId>
<groupId>com.baeldung.maven-parent-pom-resolution</groupId>
<artifactId>aggregator</artifactId>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>maven-parent-pom-resolution</artifactId>
<version>1.0-SNAPSHOT</version>
<version>1.0.0-SNAPSHOT</version>
<!-- The parent pom is resolved to ../pom.xml -->
</parent>
<packaging>pom</packaging>
<modules>
<module>project-b</module>
<module>project-c</module>
<module>module1</module>
<module>module2</module>
</modules>
</project>

4
maven-modules/maven-parent-pom-resolution/pom.xml
View File

@ -5,11 +5,11 @@
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung</groupId>
<artifactId>maven-parent-pom-resolution</artifactId>
<version>1.0-SNAPSHOT</version>
<version>1.0.0-SNAPSHOT</version>
<packaging>pom</packaging>
<modules>
<module>project-a</module>
<module>aggregator</module>
</modules>
<!-- to detect the POM hierarchy, just type "mvn dependency:display-ancestors" -->

3
micronaut/pom.xml
View File

@ -61,7 +61,7 @@
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${lombok.version}</version>
<version>${logback.version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
@ -145,7 +145,6 @@
<micronaut.version>1.0.0.RC2</micronaut.version>
<jdk.version>1.8</jdk.version>
<annotation.api.version>1.3.2</annotation.api.version>
<lombok.version>1.2.3</lombok.version>
<reactor.version>3.1.6.RELEASE</reactor.version>
<compiler.plugin.version>3.7.0</compiler.plugin.version>
<shade.plugin.version>3.1.0</shade.plugin.version>

2
parent-boot-2/pom.xml
View File

@ -81,7 +81,7 @@
<rest-assured.version>3.3.0</rest-assured.version>
<!-- plugins -->
<thin.version>1.0.22.RELEASE</thin.version>
<spring-boot.version>2.5.1</spring-boot.version>
<spring-boot.version>2.5.4</spring-boot.version>
<aspectjweaver.version>1.9.1</aspectjweaver.version>
<!-- this property can be removed once we update Mockito version in the main pom.xml -->
<mockito.version>3.4.0</mockito.version>

24
pdf/pom.xml
View File

@ -71,6 +71,26 @@
<artifactId>flying-saucer-pdf</artifactId>
<version>${flying-saucer-pdf.version}</version>
</dependency>
<dependency>
<groupId>org.xhtmlrenderer</groupId>
<artifactId>flying-saucer-pdf-openpdf</artifactId>
<version>${flying-saucer-pdf-openpdf.version}</version>
</dependency>
<dependency>
<groupId>org.jsoup</groupId>
<artifactId>jsoup</artifactId>
<version>${jsoup.version}</version>
</dependency>
<dependency>
<groupId>com.openhtmltopdf</groupId>
<artifactId>openhtmltopdf-core</artifactId>
<version>${open-html-pdf-core.version}</version>
</dependency>
<dependency>
<groupId>com.openhtmltopdf</groupId>
<artifactId>openhtmltopdf-pdfbox</artifactId>
<version>${open-html-pdfbox.version}</version>
</dependency>
</dependencies>
<build>
@ -93,6 +113,10 @@
<poi-ooxml.version>3.15</poi-ooxml.version>
<thymeleaf.version>3.0.11.RELEASE</thymeleaf.version>
<flying-saucer-pdf.version>9.1.20</flying-saucer-pdf.version>
<open-html-pdfbox.version>1.0.6</open-html-pdfbox.version>
<open-html-pdf-core.version>1.0.6</open-html-pdf-core.version>
<flying-saucer-pdf-openpdf.version>9.1.22</flying-saucer-pdf-openpdf.version>
<jsoup.version>1.14.2</jsoup.version>
</properties>
</project>

56
pdf/src/main/java/com/baeldung/pdf/openpdf/CustomElementFactoryImpl.java Normal file
View File

@ -0,0 +1,56 @@
package com.baeldung.pdf.openpdf;
import java.io.FileInputStream;
import java.io.InputStream;
import org.apache.commons.io.IOUtils;
import org.w3c.dom.Element;
import org.xhtmlrenderer.extend.FSImage;
import org.xhtmlrenderer.extend.ReplacedElement;
import org.xhtmlrenderer.extend.ReplacedElementFactory;
import org.xhtmlrenderer.extend.UserAgentCallback;
import org.xhtmlrenderer.layout.LayoutContext;
import org.xhtmlrenderer.pdf.ITextFSImage;
import org.xhtmlrenderer.pdf.ITextImageElement;
import org.xhtmlrenderer.render.BlockBox;
import org.xhtmlrenderer.simple.extend.FormSubmissionListener;
import com.lowagie.text.Image;
public class CustomElementFactoryImpl implements ReplacedElementFactory {
@Override
public ReplacedElement createReplacedElement(LayoutContext lc, BlockBox box, UserAgentCallback uac, int cssWidth, int cssHeight) {
Element e = box.getElement();
String nodeName = e.getNodeName();
if (nodeName.equals("img")) {
String imagePath = e.getAttribute("src");
try {
InputStream input = new FileInputStream("src/main/resources/" + imagePath);
byte[] bytes = IOUtils.toByteArray(input);
Image image = Image.getInstance(bytes);
FSImage fsImage = new ITextFSImage(image);
if (cssWidth != -1 || cssHeight != -1) {
fsImage.scale(cssWidth, cssHeight);
} else {
fsImage.scale(2000, 1000);
}
return new ITextImageElement(fsImage);
} catch (Exception e1) {
e1.printStackTrace();
}
}
return null;
}
@Override
public void reset() {
}
@Override
public void remove(Element e) {
}
@Override
public void setFormSubmissionListener(FormSubmissionListener listener) {
}
}

53
pdf/src/main/java/com/baeldung/pdf/openpdf/Html2PdfUsingFlyingSaucer.java Normal file
View File

@ -0,0 +1,53 @@
package com.baeldung.pdf.openpdf;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.xhtmlrenderer.layout.SharedContext;
import org.xhtmlrenderer.pdf.ITextRenderer;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
public class Html2PdfUsingFlyingSaucer {
private static final String HTML_INPUT = "src/main/resources/htmlforopenpdf.html";
private static final String PDF_OUTPUT = "src/main/resources/html2pdf.pdf";
public static void main(String[] args) {
try {
Html2PdfUsingFlyingSaucer htmlToPdf = new Html2PdfUsingFlyingSaucer();
htmlToPdf.generateHtmlToPdf();
} catch (Exception e) {
e.printStackTrace();
}
}
private void generateHtmlToPdf() throws Exception {
File inputHTML = new File(HTML_INPUT);
Document inputHtml = createWellFormedHtml(inputHTML);
File outputPdf = new File(PDF_OUTPUT);
xhtmlToPdf(inputHtml, outputPdf);
}
private Document createWellFormedHtml(File inputHTML) throws IOException {
Document document = Jsoup.parse(inputHTML, "UTF-8");
document.outputSettings()
.syntax(Document.OutputSettings.Syntax.xml);
return document;
}
private void xhtmlToPdf(Document xhtml, File outputPdf) throws Exception {
try (OutputStream outputStream = new FileOutputStream(outputPdf)) {
ITextRenderer renderer = new ITextRenderer();
SharedContext sharedContext = renderer.getSharedContext();
sharedContext.setPrint(true);
sharedContext.setInteractive(false);
sharedContext.setReplacedElementFactory(new CustomElementFactoryImpl());
renderer.setDocumentFromString(xhtml.html());
renderer.layout();
renderer.createPDF(outputStream);
}
}
}

55
pdf/src/main/java/com/baeldung/pdf/openpdf/Html2PdfUsingOpenHtml.java Normal file
View File

@ -0,0 +1,55 @@
package com.baeldung.pdf.openpdf;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.file.FileSystems;
import org.jsoup.Jsoup;
import org.jsoup.helper.W3CDom;
import org.jsoup.nodes.Document;
import com.openhtmltopdf.pdfboxout.PdfRendererBuilder;
public class Html2PdfUsingOpenHtml {
private static final String HTML_INPUT = "src/main/resources/htmlforopenpdf.html";
private static final String PDF_OUTPUT = "src/main/resources/html2pdf.pdf";
public static void main(String[] args) {
try {
Html2PdfUsingOpenHtml htmlToPdf = new Html2PdfUsingOpenHtml();
htmlToPdf.generateHtmlToPdf();
} catch (Exception e) {
e.printStackTrace();
}
}
private void generateHtmlToPdf() throws IOException {
File inputHTML = new File(HTML_INPUT);
Document doc = createWellFormedHtml(inputHTML);
xhtmlToPdf(doc, PDF_OUTPUT);
}
private Document createWellFormedHtml(File inputHTML) throws IOException {
Document document = Jsoup.parse(inputHTML, "UTF-8");
document.outputSettings()
.syntax(Document.OutputSettings.Syntax.xml);
return document;
}
private void xhtmlToPdf(Document doc, String outputPdf) throws IOException {
try (OutputStream os = new FileOutputStream(outputPdf)) {
String baseUri = FileSystems.getDefault()
.getPath("src/main/resources/")
.toUri()
.toString();
PdfRendererBuilder builder = new PdfRendererBuilder();
builder.withUri(outputPdf);
builder.toStream(os);
builder.withW3cDocument(new W3CDom().fromJsoup(doc), baseUri);
builder.run();
}
}
}

BIN
pdf/src/main/resources/html2pdf.pdf Normal file
View File

Binary file not shown.

26
pdf/src/main/resources/htmlforopenpdf.html Normal file
View File

@ -0,0 +1,26 @@
<html>
<head>
<style>
.center_div {
border: 1px solid gray;
margin-left: auto;
margin-right: auto;
width: 90%;
background-color: #d0f0f6;
text-align: left;
padding: 8px;
}
</style>
<link href="style.css" rel="stylesheet">
</head>
<body>
<div class="center_div">
<h1>Hello Baeldung!</h1>
<img src="Java_logo.png">
<div class="myclass">
<p>This is the tutorial to convert html to pdf.</p>
</div>
</div>
</body>
</html>

6
pdf/src/main/resources/style.css Normal file
View File

@ -0,0 +1,6 @@
.myclass{
font-family: Helvetica, sans-serif;
font-size:25;
font-weight: normal;
color: blue;
}

4
persistence-modules/hibernate-libraries/pom.xml
View File

@ -77,7 +77,7 @@
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
<version>${org.slf4j.version}</version>
<scope>provided</scope>
<optional>true</optional>
</dependency>
@ -174,12 +174,10 @@
<javassist.version>3.27.0-GA</javassist.version>
<jaxb.version>2.3.1</jaxb.version>
<log4jdbc.version>2.0.0</log4jdbc.version>
<logback.version>1.2.3</logback.version>
<maven-jar-plugin.version>3.0.2</maven-jar-plugin.version>
<maven.compiler.version>3.8.1</maven.compiler.version>
<maven.version>3.8.1</maven.version>
<mysql.version>8.0.19</mysql.version>
<slf4j.version>1.7.30</slf4j.version>
<spring-boot.version>2.1.3.RELEASE</spring-boot.version>
</properties>

1
persistence-modules/java-jpa-3/README.md
View File

@ -14,3 +14,4 @@ This module contains articles about the Java Persistence API (JPA) in Java.
- [How to Return Multiple Entities In JPA Query](https://www.baeldung.com/jpa-return-multiple-entities)
- [Defining Unique Constraints in JPA](https://www.baeldung.com/jpa-unique-constraints)
- [How to Check Field Existence in MongoDB?](https://www.baeldung.com/mongodb-check-field-exists)
- [Connecting to a Specific Schema in JDBC](https://www.baeldung.com/jdbc-connect-to-schema)

29
persistence-modules/spring-data-jpa-repo/src/test/java/com/baeldung/boot/daos/InventoryRepositoryIntegrationTest.java
View File

@ -3,20 +3,23 @@ package com.baeldung.boot.daos;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.math.BigDecimal;
import java.util.Optional;
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 org.springframework.transaction.annotation.Transactional;
import com.baeldung.Application;
import com.baeldung.boot.domain.MerchandiseEntity;
@RunWith(SpringRunner.class)
@SpringBootTest(classes=Application.class)
@SpringBootTest(classes = Application.class)
public class InventoryRepositoryIntegrationTest {
private static final String ORIGINAL_TITLE = "Pair of Pants";
@ -58,4 +61,28 @@ public class InventoryRepositoryIntegrationTest {
assertEquals(BigDecimal.TEN, result.getPrice());
assertEquals(UPDATED_BRAND, result.getBrand());
}
@Test
@Transactional
public void shouldUpdateExistingEntryInDBWithoutSave() {
MerchandiseEntity pants = new MerchandiseEntity(ORIGINAL_TITLE, BigDecimal.ONE);
pants = repository.save(pants);
Long originalId = pants.getId();
// Update using setters
pants.setTitle(UPDATED_TITLE);
pants.setPrice(BigDecimal.TEN);
pants.setBrand(UPDATED_BRAND);
Optional<MerchandiseEntity> resultOp = repository.findById(originalId);
assertTrue(resultOp.isPresent());
MerchandiseEntity result = resultOp.get();
assertEquals(originalId, result.getId());
assertEquals(UPDATED_TITLE, result.getTitle());
assertEquals(BigDecimal.TEN, result.getPrice());
assertEquals(UPDATED_BRAND, result.getBrand());
}
}

2
persistence-modules/spring-data-mongodb-reactive/README.md
View File

@ -8,5 +8,3 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
### Relevant Articles
- [Spring Data Reactive Repositories with MongoDB](https://www.baeldung.com/spring-data-mongodb-reactive)
- [Spring Data MongoDB Tailable Cursors](https://www.baeldung.com/spring-data-mongodb-tailable-cursors)
- [A Quick Look at R2DBC with Spring Data](https://www.baeldung.com/spring-data-r2dbc)
- [Spring Data Reactive Repositories with Couchbase](https://www.baeldung.com/spring-data-reactive-couchbase)

2
pom.xml
View File

@ -1410,7 +1410,7 @@
<jstl-api.version>1.2</jstl-api.version>
<javax.servlet.jsp-api.version>2.3.1</javax.servlet.jsp-api.version>
<jstl.version>1.2</jstl.version>
<jackson.version>2.11.1</jackson.version>
<jackson.version>2.12.4</jackson.version>
<commons-fileupload.version>1.4</commons-fileupload.version>
<junit-platform.version>1.2.0</junit-platform.version>
<junit-jupiter.version>5.2.0</junit-jupiter.version>

3
restx/pom.xml
View File

@ -99,7 +99,7 @@
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback-classic.version}</version>
<version>${logback.version}</version>
</dependency>
<dependency>
<groupId>io.restx</groupId>
@ -149,7 +149,6 @@
<properties>
<restx.version>0.35-rc4</restx.version>
<logback-classic.version>1.2.3</logback-classic.version>
</properties>
</project>

1
spf4j/spf4j-aspects-app/pom.xml
View File

@ -99,7 +99,6 @@
<properties>
<spf4j.version>8.9.0</spf4j.version>
<org.slf4j.version>1.7.21</org.slf4j.version>
<compiler.plugin.version>3.8.0</compiler.plugin.version>
<dependency.plugin.version>3.1.1</dependency.plugin.version>
</properties>

1
spf4j/spf4j-core-app/pom.xml
View File

@ -105,7 +105,6 @@
<properties>
<spf4j.version>8.9.0</spf4j.version>
<org.slf4j.version>1.7.21</org.slf4j.version>
<compiler.plugin.version>3.8.0</compiler.plugin.version>
<dependency.plugin.version>3.1.1</dependency.plugin.version>
</properties>

2
spring-5-data-reactive/README.md
View File

@ -6,7 +6,5 @@ This module contains articles about reactive Spring 5 Data
The "REST With Spring" Classes: http://bit.ly/restwithspring
### Relevant Articles
- [Spring Data Reactive Repositories with MongoDB](https://www.baeldung.com/spring-data-mongodb-reactive)
- [Spring Data MongoDB Tailable Cursors](https://www.baeldung.com/spring-data-mongodb-tailable-cursors)
- [A Quick Look at R2DBC with Spring Data](https://www.baeldung.com/spring-data-r2dbc)
- [Spring Data Reactive Repositories with Couchbase](https://www.baeldung.com/spring-data-reactive-couchbase)

30
spring-5-reactive-client/src/main/java/com/baeldung/reactive/controller/UploadController.java Normal file
View File

@ -0,0 +1,30 @@
package com.baeldung.reactive.controller;
import com.baeldung.reactive.service.ReactiveUploadService;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import reactor.core.publisher.Mono;
@RestController
public class UploadController {
final ReactiveUploadService uploadService;
public UploadController(ReactiveUploadService uploadService) {
this.uploadService = uploadService;
}
@PostMapping(path = "/upload")
@ResponseBody
public Mono<HttpStatus> uploadPdf(@RequestParam("file") final MultipartFile multipartFile) {
return uploadService.uploadPdf(multipartFile.getResource());
}
@PostMapping(path = "/upload/multipart")
@ResponseBody
public Mono<HttpStatus> uploadMultipart(@RequestParam("file") final MultipartFile multipartFile) {
return uploadService.uploadMultipart(multipartFile);
}
}

8
spring-5-reactive-client/src/main/java/com/baeldung/reactive/exception/ServiceException.java Normal file
View File

@ -0,0 +1,8 @@
package com.baeldung.reactive.exception;
public class ServiceException extends RuntimeException{
public ServiceException(String message) {
super(message);
}
}

66
spring-5-reactive-client/src/main/java/com/baeldung/reactive/service/ReactiveUploadService.java Normal file
View File

@ -0,0 +1,66 @@
package com.baeldung.reactive.service;
import com.baeldung.reactive.exception.ServiceException;
import org.springframework.core.io.Resource;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.client.MultipartBodyBuilder;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.reactive.function.BodyInserters;
import org.springframework.web.reactive.function.client.WebClient;
import org.springframework.web.util.UriComponentsBuilder;
import reactor.core.publisher.Mono;
import java.net.URI;
@Service
public class ReactiveUploadService {
private final WebClient webClient;
private static final String EXTERNAL_UPLOAD_URL = "http://localhost:8080/external/upload";
public ReactiveUploadService(final WebClient webClient) {
this.webClient = webClient;
}
public Mono<HttpStatus> uploadPdf(final Resource resource) {
final URI url = UriComponentsBuilder.fromHttpUrl(EXTERNAL_UPLOAD_URL).build().toUri();
Mono<HttpStatus> httpStatusMono = webClient.post()
.uri(url)
.contentType(MediaType.APPLICATION_PDF)
.body(BodyInserters.fromResource(resource))
.exchangeToMono(response -> {
if (response.statusCode().equals(HttpStatus.OK)) {
return response.bodyToMono(HttpStatus.class).thenReturn(response.statusCode());
} else {
throw new ServiceException("Error uploading file");
}
});
return httpStatusMono;
}
public Mono<HttpStatus> uploadMultipart(final MultipartFile multipartFile) {
final URI url = UriComponentsBuilder.fromHttpUrl(EXTERNAL_UPLOAD_URL).build().toUri();
final MultipartBodyBuilder builder = new MultipartBodyBuilder();
builder.part("file", multipartFile.getResource());
Mono<HttpStatus> httpStatusMono = webClient.post()
.uri(url)
.contentType(MediaType.MULTIPART_FORM_DATA)
.body(BodyInserters.fromMultipartData(builder.build()))
.exchangeToMono(response -> {
if (response.statusCode().equals(HttpStatus.OK)) {
return response.bodyToMono(HttpStatus.class).thenReturn(response.statusCode());
} else {
throw new ServiceException("Error uploading file");
}
});
return httpStatusMono;
}
}

48
spring-5-reactive-client/src/test/java/com/baeldung/reactive/service/ReactiveUploadServiceUnitTest.java Normal file
View File

@ -0,0 +1,48 @@
package com.baeldung.reactive.service;
import org.junit.jupiter.api.Test;
import org.springframework.core.io.Resource;
import org.springframework.http.HttpStatus;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.reactive.function.client.ClientResponse;
import org.springframework.web.reactive.function.client.WebClient;
import reactor.core.publisher.Mono;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
class ReactiveUploadServiceUnitTest {
private static final String BASE_URL = "http://localhost:8080/external/upload";
final WebClient webClientMock = WebClient.builder().baseUrl(BASE_URL)
.exchangeFunction(clientRequest -> Mono.just(ClientResponse.create(HttpStatus.OK)
.header("content-type", "application/json")
.build()))
.build();
private final ReactiveUploadService tested = new ReactiveUploadService(webClientMock);
@Test
void givenAPdf_whenUploadingWithWebClient_thenOK() {
final Resource file = mock(Resource.class);
final Mono<HttpStatus> result = tested.uploadPdf(file);
final HttpStatus status = result.block();
assertThat(status).isEqualTo(HttpStatus.OK);
}
@Test
void givenAMultipartPdf_whenUploadingWithWebClient_thenOK() {
final Resource file = mock(Resource.class);
final MultipartFile multipartFile = mock(MultipartFile.class);
when(multipartFile.getResource()).thenReturn(file);
final Mono<HttpStatus> result = tested.uploadMultipart(multipartFile);
final HttpStatus status = result.block();
assertThat(status).isEqualTo(HttpStatus.OK);
}
}

4
spring-5-webflux/pom.xml
View File

@ -65,8 +65,4 @@
</plugins>
</build>
<properties>
<spring-boot.version>2.3.3.RELEASE</spring-boot.version>
</properties>
</project>

31
spring-5-webflux/src/main/java/com/baeldung/spring/rsocket/client/ClientConfiguration.java
View File

@ -1,30 +1,29 @@
package com.baeldung.spring.rsocket.client;
import io.rsocket.RSocket;
import io.rsocket.RSocketFactory;
import io.rsocket.frame.decoder.PayloadDecoder;
import io.rsocket.transport.netty.client.TcpClientTransport;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.messaging.rsocket.RSocketRequester;
import org.springframework.messaging.rsocket.RSocketStrategies;
import org.springframework.util.MimeTypeUtils;
import reactor.util.retry.Retry;
import java.time.Duration;
@Configuration
public class ClientConfiguration {
@Bean
public RSocket rSocket() {
return RSocketFactory.connect()
.mimeType(MimeTypeUtils.APPLICATION_JSON_VALUE, MimeTypeUtils.APPLICATION_JSON_VALUE)
.frameDecoder(PayloadDecoder.ZERO_COPY)
.transport(TcpClientTransport.create(7000))
.start()
.block();
}
public RSocketRequester getRSocketRequester(){
@Bean
RSocketRequester rSocketRequester(RSocketStrategies rSocketStrategies) {
return RSocketRequester.wrap(rSocket(), MimeTypeUtils.APPLICATION_JSON, MimeTypeUtils.APPLICATION_JSON, rSocketStrategies);
RSocketRequester.Builder builder = RSocketRequester.builder();
return builder
.rsocketConnector(
rSocketConnector ->
rSocketConnector.reconnect(
Retry.fixedDelay(2, Duration.ofSeconds(2))
)
)
.dataMimeType(MimeTypeUtils.APPLICATION_JSON)
.tcp("localhost", 7000);
}
}

9
spring-5-webflux/src/main/java/com/baeldung/spring/serverconfig/CustomNettyWebServerFactory.java
View File

@ -25,12 +25,9 @@ public class CustomNettyWebServerFactory {
@Override
public HttpServer apply(HttpServer httpServer) {
EventLoopGroup parentGroup = new NioEventLoopGroup();
EventLoopGroup childGroup = new NioEventLoopGroup();
return httpServer
.tcpConfiguration(tcpServer -> tcpServer.bootstrap(
serverBootstrap -> serverBootstrap.group(parentGroup, childGroup).channel(NioServerSocketChannel.class)
));
EventLoopGroup eventLoopGroup = new NioEventLoopGroup();
eventLoopGroup.register(new NioServerSocketChannel());
return httpServer.runOn(eventLoopGroup);
}
}
}

29
spring-5-webflux/src/test/java/com/baeldung/spring/rsocket/server/MarketDataRSocketControllerLiveTest.java
View File

@ -1,15 +1,8 @@
package com.baeldung.spring.rsocket.server;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.verify;
import com.baeldung.spring.rsocket.model.MarketData;
import com.baeldung.spring.rsocket.model.MarketDataRequest;
import io.rsocket.RSocket;
import io.rsocket.RSocketFactory;
import io.rsocket.frame.decoder.PayloadDecoder;
import io.rsocket.transport.netty.client.TcpClientTransport;
import java.time.Duration;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
@ -23,6 +16,12 @@ import org.springframework.messaging.rsocket.RSocketStrategies;
import org.springframework.test.context.TestPropertySource;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.util.MimeTypeUtils;
import reactor.util.retry.Retry;
import java.time.Duration;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.verify;
@RunWith(SpringRunner.class)
@SpringBootTest
@ -81,12 +80,16 @@ public class MarketDataRSocketControllerLiveTest {
@Bean
@Lazy
public RSocket rSocket() {
return RSocketFactory.connect()
.mimeType(MimeTypeUtils.APPLICATION_JSON_VALUE, MimeTypeUtils.APPLICATION_JSON_VALUE)
.frameDecoder(PayloadDecoder.ZERO_COPY)
.transport(TcpClientTransport.create(7000))
.start()
.block();
RSocketRequester.Builder builder = RSocketRequester.builder();
return builder
.rsocketConnector(
rSocketConnector ->
rSocketConnector.reconnect(Retry.fixedDelay(2, Duration.ofSeconds(2))))
.dataMimeType(MimeTypeUtils.APPLICATION_JSON)
.tcp("localhost", 7000)
.rsocket();
}
@Bean

32
spring-aop/src/main/java/com/baeldung/joinpoint/ArticleService.java Normal file
View File

@ -0,0 +1,32 @@
package com.baeldung.joinpoint;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import java.util.Arrays;
import java.util.List;
import static java.util.stream.Collectors.toList;
@Service
public class ArticleService {
public List<String> getArticleList() {
return Arrays.asList(
"Article 1",
"Article 2"
);
}
public List<String> getArticleList(String startsWithFilter) {
if (StringUtils.isBlank(startsWithFilter)) {
throw new IllegalArgumentException("startsWithFilter can't be blank");
}
return getArticleList()
.stream()
.filter(a -> a.startsWith(startsWithFilter))
.collect(toList());
}
}

27
spring-aop/src/main/java/com/baeldung/joinpoint/JoinPointAfterThrowingAspect.java Normal file
View File

@ -0,0 +1,27 @@
package com.baeldung.joinpoint;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.stereotype.Component;
import java.util.logging.Logger;
@Aspect
@Component
public class JoinPointAfterThrowingAspect {
private static final java.util.logging.Logger log = Logger.getLogger(JoinPointAfterThrowingAspect.class.getName());
@Pointcut("execution(* com.baeldung.joinpoint.ArticleService.getArticleList(..))")
public void articleListPointcut() { }
@AfterThrowing(
pointcut = "articleListPointcut()",
throwing = "e"
)
public void logExceptions(JoinPoint jp, Exception e) {
log.severe(e.getMessage());
}
}

30
spring-aop/src/main/java/com/baeldung/joinpoint/JoinPointAroundCacheAspect.java Normal file
View File

@ -0,0 +1,30 @@
package com.baeldung.joinpoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.stereotype.Component;
import java.util.HashMap;
import java.util.Map;
@Aspect
@Component
public class JoinPointAroundCacheAspect {
public final static Map<Object, Object> CACHE = new HashMap<>();
@Pointcut("execution(* com.baeldung.joinpoint.ArticleService.getArticleList(..))")
public void articleListPointcut() { }
@Around("articleListPointcut()")
public Object aroundAdviceCache(ProceedingJoinPoint pjp) throws Throwable {
Object articles = CACHE.get(pjp.getArgs());
if (articles == null) {
articles = pjp.proceed(pjp.getArgs());
CACHE.put(pjp.getArgs(), articles);
}
return articles;
}
}

30
spring-aop/src/main/java/com/baeldung/joinpoint/JoinPointAroundExceptionAspect.java Normal file
View File

@ -0,0 +1,30 @@
package com.baeldung.joinpoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.stereotype.Component;
import java.util.logging.Logger;
@Aspect
@Component
public class JoinPointAroundExceptionAspect {
private static final java.util.logging.Logger log = Logger.getLogger(JoinPointAroundExceptionAspect.class.getName());
@Pointcut("execution(* com.baeldung.joinpoint.ArticleService.getArticleList(..))")
public void articleListPointcut() { }
@Around("articleListPointcut()")
public Object aroundAdviceException(ProceedingJoinPoint pjp) throws Throwable {
try {
return pjp.proceed(pjp.getArgs());
} catch (Throwable e) {
log.severe(e.getMessage());
log.info("Retrying operation");
return pjp.proceed(pjp.getArgs());
}
}
}

32
spring-aop/src/main/java/com/baeldung/joinpoint/JoinPointBeforeAspect.java Normal file
View File

@ -0,0 +1,32 @@
package com.baeldung.joinpoint;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.stereotype.Component;
import java.util.Arrays;
import java.util.logging.Logger;
import static java.lang.String.format;
@Aspect
@Component
public class JoinPointBeforeAspect {
private static final Logger log = Logger.getLogger(JoinPointBeforeAspect.class.getName());
@Pointcut("execution(* com.baeldung.joinpoint.ArticleService.getArticleList(..))")
public void articleListPointcut() { }
@Before("articleListPointcut()")
public void beforeAdvice(JoinPoint joinPoint) {
log.info(
format("Method %s executed with %s arguments",
joinPoint.getStaticPart().getSignature(),
Arrays.toString(joinPoint.getArgs())
)
);
}
}

39
spring-aop/src/test/java/com/baeldung/joinpoint/ArticleServiceIntegrationTest.java Normal file
View File

@ -0,0 +1,39 @@
package com.baeldung.joinpoint;
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.SpringJUnit4ClassRunner;
import java.util.List;
import static org.junit.Assert.assertFalse;
@RunWith(SpringJUnit4ClassRunner.class)
@SpringBootTest
public class ArticleServiceIntegrationTest {
@Autowired
private ArticleService articleService;
@Test
public void shouldGetNotEmptyArticleList() {
List<String> articleList = articleService.getArticleList();
assertFalse(articleList.isEmpty());
}
@Test
public void shouldGetNotEmptyArticleListWithStartsWithFilter() {
List<String> articleList = articleService.getArticleList("Article");
assertFalse(articleList.isEmpty());
}
@Test(expected = IllegalArgumentException.class)
public void shouldThrowExceptionIfStartsWithFilterIsBlank() {
articleService.getArticleList(" ");
}
}

60
spring-aop/src/test/java/com/baeldung/joinpoint/JoinPointAfterThrowingAspectIntegrationTest.java Normal file
View File

@ -0,0 +1,60 @@
package com.baeldung.joinpoint;
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.context.annotation.EnableAspectJAutoProxy;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Handler;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import static org.hamcrest.Matchers.hasSize;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
@RunWith(SpringJUnit4ClassRunner.class)
@SpringBootTest
@EnableAspectJAutoProxy
public class JoinPointAfterThrowingAspectIntegrationTest {
private final List<String> messages = new ArrayList<>();
@Before
public void setUp() {
Handler logEventHandler = new Handler() {
@Override
public void publish(LogRecord record) {
messages.add(record.getLevel().getName() + " " + record.getMessage());
}
@Override
public void flush() {
}
@Override
public void close() throws SecurityException {
}
};
Logger logger = Logger.getLogger(JoinPointAfterThrowingAspect.class.getName());
logger.addHandler(logEventHandler);
}
@Autowired
private ArticleService articleService;
@Test(expected = IllegalArgumentException.class)
public void shouldLogMethodSignatureBeforeExecution() {
articleService.getArticleList(" ");
assertThat(messages, hasSize(1));
assertTrue(messages.contains("SEVERE startsWithFilter can't be blank"));
}
}

35
spring-aop/src/test/java/com/baeldung/joinpoint/JoinPointAroundCacheAspectIntegrationTest.java Normal file
View File

@ -0,0 +1,35 @@
package com.baeldung.joinpoint;
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.context.annotation.EnableAspectJAutoProxy;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
@RunWith(SpringJUnit4ClassRunner.class)
@SpringBootTest
@EnableAspectJAutoProxy
public class JoinPointAroundCacheAspectIntegrationTest {
@Autowired
private ArticleService articleService;
@Test
public void shouldPopulateCache() {
assertTrue(JoinPointAroundCacheAspect.CACHE.isEmpty());
List<String> articles = articleService.getArticleList();
assertFalse(JoinPointAroundCacheAspect.CACHE.isEmpty());
assertEquals(JoinPointAroundCacheAspect.CACHE.size(), 1);
assertEquals(JoinPointAroundCacheAspect.CACHE.values().iterator().next(), articles);
}
}

60
spring-aop/src/test/java/com/baeldung/joinpoint/JoinPointAroundExceptionAspectIntegrationTest.java Normal file
View File

@ -0,0 +1,60 @@
package com.baeldung.joinpoint;
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.context.annotation.EnableAspectJAutoProxy;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Handler;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import static org.hamcrest.Matchers.hasSize;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
@RunWith(SpringJUnit4ClassRunner.class)
@SpringBootTest
@EnableAspectJAutoProxy
public class JoinPointAroundExceptionAspectIntegrationTest {
private final List<String> messages = new ArrayList<>();
@Before
public void setUp() {
Handler logEventHandler = new Handler() {
@Override
public void publish(LogRecord record) {
messages.add(record.getLevel().getName() + " " + record.getMessage());
}
@Override
public void flush() {
}
@Override
public void close() throws SecurityException {
}
};
Logger logger = Logger.getLogger(JoinPointAroundExceptionAspect.class.getName());
logger.addHandler(logEventHandler);
}
@Autowired
private ArticleService articleService;
@Test(expected = IllegalArgumentException.class)
public void shouldLogMethodSignatureBeforeExecution() {
articleService.getArticleList(" ");
assertThat(messages, hasSize(1));
assertTrue(messages.contains("INFO Retrying operation"));
}
}

60
spring-aop/src/test/java/com/baeldung/joinpoint/JoinPointBeforeAspectIntegrationTest.java Normal file
View File

@ -0,0 +1,60 @@
package com.baeldung.joinpoint;
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.context.annotation.EnableAspectJAutoProxy;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Handler;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import static org.hamcrest.Matchers.hasSize;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
@RunWith(SpringJUnit4ClassRunner.class)
@SpringBootTest
@EnableAspectJAutoProxy
public class JoinPointBeforeAspectIntegrationTest {
private final List<String> messages = new ArrayList<>();
@Before
public void setUp() {
Handler logEventHandler = new Handler() {
@Override
public void publish(LogRecord record) {
messages.add(record.getLevel().getName() + " " + record.getMessage());
}
@Override
public void flush() {
}
@Override
public void close() throws SecurityException {
}
};
Logger logger = Logger.getLogger(JoinPointBeforeAspect.class.getName());
logger.addHandler(logEventHandler);
}
@Autowired
private ArticleService articleService;
@Test
public void shouldLogMethodSignatureBeforeExecution() {
articleService.getArticleList();
assertThat(messages, hasSize(1));
assertTrue(messages.contains("INFO Method List com.baeldung.joinpoint.ArticleService.getArticleList() executed with [] arguments"));
}
}

2
spring-boot-modules/spring-boot-keycloak/pom.xml
View File

@ -77,8 +77,6 @@
<properties>
<keycloak-adapter-bom.version>13.0.1</keycloak-adapter-bom.version>
<!-- explicit version declaration to be removed when parent-boot-2 is upgraded to 2.5.3 or above -->
<spring-boot.version>2.5.3</spring-boot.version>
</properties>
</project>

7
spring-cloud/spring-cloud-connectors-heroku/pom.xml
View File

@ -16,9 +16,10 @@
</parent>
<dependencies>
<dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-cloud-connectors</artifactId>
<version>${spring-boot-starter-cloud-connectors.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
@ -56,9 +57,9 @@
</dependencyManagement>
<properties>
<spring-boot.version>2.2.6.RELEASE</spring-boot.version>
<spring-boot-starter-cloud-connectors.version>2.2.6.RELEASE</spring-boot-starter-cloud-connectors.version>
<spring-cloud-dependencies.version>Hoxton.SR4</spring-cloud-dependencies.version>
<postgresql.version>42.2.10</postgresql.version>
</properties>
</project>
</project>

4
spring-cloud/spring-cloud-kubernetes/kubernetes-guide/travel-agency-service/pom.xml
View File

@ -62,8 +62,4 @@
</plugins>
</build>
<properties>
<logback.version>1.2.3</logback.version>
</properties>
</project>

1
spring-jersey/pom.xml
View File

@ -212,6 +212,7 @@
<properties>
<jersey.version>2.29.1</jersey.version>
<jackson.version>2.11.1</jackson.version>
<cargo-maven2-plugin.version>1.6.1</cargo-maven2-plugin.version>
<httpcore.version>4.4.9</httpcore.version>
<httpclient.version>4.5.5</httpclient.version>

2
spring-security-modules/spring-5-security-oauth/pom.xml
View File

@ -68,6 +68,8 @@
</dependencies>
<properties>
<!-- Remove this explicit override once more recent version of spring-security-oauth2-autoconfigure is available -->
<spring-boot.version>2.5.2</spring-boot.version>
<start-class>com.baeldung.oauth2.SpringOAuthApplication</start-class>
</properties>

4
spring-security-modules/spring-security-web-sockets/README.md
View File

@ -10,8 +10,8 @@ This module contains articles about WebSockets with Spring Security
### Running This Project:
To build the project, run the command: mvn clean install. This will build a war file in the target folder that you can deploye on a server like Tomcat.
To build the project, run the command: `mvn clean install`. This will build a war file in the target folder that you can deploy on a server like Tomcat.
Alternatively, run the project from an IDE.
Alternatively, run the project from an IDE, with the maven goal `org.codehaus.cargo:cargo-maven2-plugin:run`
To login, use credentials from the data.sql file in src/main/resource, eg: user/password.

15
spring-security-modules/spring-security-web-sockets/pom.xml
View File

@ -103,7 +103,7 @@
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback-classic.version}</version>
<version>${logback.version}</version>
</dependency>
<!-- Servlet -->
<dependency>
@ -155,11 +155,14 @@
<finalName>spring-security-web-sockets</finalName>
<plugins>
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.2</version>
<groupId>org.codehaus.cargo</groupId>
<artifactId>cargo-maven2-plugin</artifactId>
<version>${cargo-maven2-plugin.version}</version>
<configuration>
<path>/spring-security-mvc-socket</path>
<container>
<containerId>tomcat9x</containerId>
<type>embedded</type>
</container>
</configuration>
</plugin>
<plugin>
@ -177,8 +180,8 @@
<properties>
<hibernate-core.version>5.2.10.Final</hibernate-core.version>
<spring-data-jpa.version>1.11.3.RELEASE</spring-data-jpa.version>
<logback-classic.version>1.2.3</logback-classic.version>
<spring-boot-starter-test.version>1.5.10.RELEASE</spring-boot-starter-test.version>
<cargo-maven2-plugin.version>1.7.6</cargo-maven2-plugin.version>
</properties>
</project>

9
spring-web-modules/spring-mvc-xml/src/test/java/com/baeldung/geoip/GeoIpIntegrationTest.java → spring-web-modules/spring-mvc-xml/src/test/java/com/baeldung/geoip/GeoIpManualTest.java
View File

@ -10,13 +10,18 @@ import com.maxmind.geoip2.DatabaseReader;
import com.maxmind.geoip2.exception.GeoIp2Exception;
import com.maxmind.geoip2.model.CityResponse;
public class GeoIpIntegrationTest {
public class GeoIpManualTest {
@Test
public void givenIP_whenFetchingCity_thenReturnsCityData() throws IOException, GeoIp2Exception {
ClassLoader classLoader = getClass().getClassLoader();
File database = new File(classLoader.getResource("GeoLite2-City.mmdb").getFile());
/**
* Download the db file as shown in the article https://www.baeldung.com/geolocation-by-ip-with-maxmind,
* then replace the "your-path-to-db-file" string in the test with the file path before running the test
* HINT : Copy the downloaded file at spring-web-modules/spring-mvc-xml/src/test/resources/GeoLite2-City.mmdb
* **/
File database = new File("your-path-to-db-file");
DatabaseReader dbReader = new DatabaseReader.Builder(database).build();
InetAddress ipAddress = InetAddress.getByName("google.com");

1
spring-websockets/README.md
View File

@ -6,3 +6,4 @@ This module contains articles about Spring WebSockets.
- [Intro to WebSockets with Spring](https://www.baeldung.com/websockets-spring)
- [A Quick Example of Spring Websockets’ @SendToUser Annotation](https://www.baeldung.com/spring-websockets-sendtouser)
- [Scheduled WebSocket Push with Spring Boot](https://www.baeldung.com/spring-boot-scheduled-websocket)
- [Test WebSocket APIs With Postman](https://www.baeldung.com/postman-websocket-apis)

23
spring-websockets/src/main/java/com/baeldung/rawwebsocket/ServerWebSocketConfig.java Normal file
View File

@ -0,0 +1,23 @@
package com.baeldung.rawwebsocket;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.socket.WebSocketHandler;
import org.springframework.web.socket.config.annotation.EnableWebSocket;
import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
@Configuration
@EnableWebSocket
public class ServerWebSocketConfig implements WebSocketConfigurer {
@Override
public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
registry.addHandler(webSocketHandler(), "/websocket");
}
@Bean
public WebSocketHandler webSocketHandler() {
return new ServerWebSocketHandler();
}
}

72
spring-websockets/src/main/java/com/baeldung/rawwebsocket/ServerWebSocketHandler.java Normal file
View File

@ -0,0 +1,72 @@
package com.baeldung.rawwebsocket;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.web.socket.CloseStatus;
import org.springframework.web.socket.SubProtocolCapable;
import org.springframework.web.socket.TextMessage;
import org.springframework.web.socket.WebSocketSession;
import org.springframework.web.socket.handler.TextWebSocketHandler;
import org.springframework.web.util.HtmlUtils;
import java.io.IOException;
import java.time.LocalTime;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArraySet;
public class ServerWebSocketHandler extends TextWebSocketHandler implements SubProtocolCapable {
private static final Logger logger = LoggerFactory.getLogger(ServerWebSocketHandler.class);
private final Set<WebSocketSession> sessions = new CopyOnWriteArraySet<>();
@Override
public void afterConnectionEstablished(WebSocketSession session) throws Exception {
logger.info("Server connection opened");
sessions.add(session);
TextMessage message = new TextMessage("one-time message from server");
logger.info("Server sends: {}", message);
session.sendMessage(message);
}
@Override
public void afterConnectionClosed(WebSocketSession session, CloseStatus status) {
logger.info("Server connection closed: {}", status);
sessions.remove(session);
}
@Scheduled(fixedRate = 10000)
void sendPeriodicMessages() throws IOException {
for (WebSocketSession session : sessions) {
if (session.isOpen()) {
String broadcast = "server periodic message " + LocalTime.now();
logger.info("Server sends: {}", broadcast);
session.sendMessage(new TextMessage(broadcast));
}
}
}
@Override
public void handleTextMessage(WebSocketSession session, TextMessage message) throws Exception {
String request = message.getPayload();
logger.info("Server received: {}", request);
String response = String.format("response from server to '%s'", HtmlUtils.htmlEscape(request));
logger.info("Server sends: {}", response);
session.sendMessage(new TextMessage(response));
}
@Override
public void handleTransportError(WebSocketSession session, Throwable exception) {
logger.info("Server transport error: {}", exception.getMessage());
}
@Override
public List<String> getSubProtocols() {
return Collections.singletonList("subprotocol.demo.websocket");
}
}

1
vertx-and-rxjava/pom.xml
View File

@ -47,7 +47,6 @@
<properties>
<vertx.version>3.5.0.Beta1</vertx.version>
<logback.version>1.2.3</logback.version>
</properties>
</project>

3
vraptor/pom.xml
View File

@ -68,7 +68,7 @@
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${slf4j-log4j12.version}</version>
<version>${org.slf4j.version}</version>
</dependency>
<dependency>
<groupId>br.com.caelum.vraptor</groupId>
@ -117,7 +117,6 @@
<weld.version>2.1.2.Final</weld.version>
<el.version>2.2</el.version>
<hibernate-validator.version>5.1.1.Final</hibernate-validator.version>
<slf4j-log4j12.version>1.7.5</slf4j-log4j12.version>
<vraptor-freemarker.version>4.1.0-RC3</vraptor-freemarker.version>
<vraptor-hibernate.version>4.0.4</vraptor-hibernate.version>
<mysql-connector.version>8.0.8-dmr</mysql-connector.version>