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Merge branch 'eugenp:master' into master

This commit is contained in:
Ulisses Lima 2022-03-05 22:23:01 -03:00 committed by GitHub
parent 6a9b7f935f 28519a494c
commit 5b399786f6
62 changed files with 1273 additions and 135 deletions
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67
apache-poi-2/src/test/java/com/baeldung/poi/excel/lastrow/LastRowUnitTest.java Normal file
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package com.baeldung.poi.excel.lastrow;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.junit.Before;
import org.junit.Test;
import java.io.IOException;
import java.net.URISyntaxException;
import java.nio.file.Paths;
import static org.junit.jupiter.api.Assertions.*;
public class LastRowUnitTest {
private static final String FILE_NAME = "lastRowTest.xlsx";
private String fileLocation;
@Before
public void setup() throws URISyntaxException {
fileLocation = Paths.get(ClassLoader.getSystemResource(FILE_NAME).toURI()).toString();
}
@Test
public void givenExampleGrid_whenGetRow_thenReturnRowObjectIfModified() throws IOException {
Workbook workbook = new XSSFWorkbook(fileLocation);
Sheet sheet = workbook.getSheetAt(0);
assertEquals(7, sheet.getLastRowNum());
assertEquals(6, sheet.getPhysicalNumberOfRows());
assertNotNull(sheet.getRow(0));
assertNotNull(sheet.getRow(1));
assertNotNull(sheet.getRow(2));
assertNotNull(sheet.getRow(3));
assertNull(sheet.getRow(4));
assertNull(sheet.getRow(5));
assertNotNull(sheet.getRow(6));
assertNotNull(sheet.getRow(7));
assertNull(sheet.getRow(8));
assertSame(sheet.getRow(7), getLastRowFromSheet(sheet));
}
@Test
public void givenEmptySheet_whenGetRow_thenReturnNull() throws IOException {
Workbook workbook = new XSSFWorkbook(fileLocation);
Sheet sheet = workbook.getSheetAt(1);
assertEquals(-1, sheet.getLastRowNum());
assertEquals(0, sheet.getPhysicalNumberOfRows());
assertNull(sheet.getRow(0));
assertSame(sheet.getRow(0), getLastRowFromSheet(sheet));
}
public static Row getLastRowFromSheet(Sheet sheet) {
Row lastRow = null;
int lastRowNum = sheet.getLastRowNum();
if (lastRowNum >= 0) {
lastRow = sheet.getRow(lastRowNum);
}
return lastRow;
}
}

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apache-poi-2/src/test/resources/lastRowTest.xlsx Normal file
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2
core-java-modules/core-java-collections-maps-4/README.md
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@ -6,3 +6,5 @@ This module contains articles about Map data structures in Java.
- [Using a Custom Class as a Key in a Java HashMap](https://www.baeldung.com/java-custom-class-map-key)
- [Nested HashMaps Examples in Java](https://www.baeldung.com/java-nested-hashmaps)
- [Java HashMap With Different Value Types](https://www.baeldung.com/java-hashmap-different-value-types)
- [Difference Between Map and HashMap in Java](https://www.baeldung.com/java-map-vs-hashmap)
- [How to Create a New Entry in a Map](https://www.baeldung.com/java-map-new-entry)

1
core-java-modules/core-java-concurrency-advanced-4/README.md
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@ -4,3 +4,4 @@
- [Bad Practices With Synchronization](https://www.baeldung.com/java-synchronization-bad-practices)
- [Start Two Threads at the Exact Same Time in Java](https://www.baeldung.com/java-start-two-threads-at-same-time)
- [Volatile Variables and Thread Safety](https://www.baeldung.com/java-volatile-variables-thread-safety)
- [Producer-Consumer Problem With Example in Java](https://www.baeldung.com/java-producer-consumer-problem)

1
core-java-modules/core-java-exceptions-4/README.md
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@ -1,3 +1,4 @@
### Relevant Articles:
- [Java ArrayIndexOutOfBoundsException](https://www.baeldung.com/java-arrayindexoutofboundsexception)
- [Java Missing Return Statement](https://www.baeldung.com/java-missing-return-statement)

45
core-java-modules/core-java-exceptions-4/src/main/java/com/baeldung/exception/variablemightnothavebeeninitialized/VariableMightNotHaveBeenInitialized.java
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@ -1,45 +0,0 @@
package com.baeldung.exception.variablemightnothavebeeninitialized;
public class VariableMightNotHaveBeenInitialized {
private static int instanceVariableCount;
/**
* Method would not compile if lines 14 and 18 are uncommented.
*/
public static void countEven() {
//uninstantiated
int count;
int[] arr = new int[]{23, 56, 89, 12, 23};
for (int i = 0; i < arr.length; i++) {
if ((arr[i] % 2) == 0) {
// count++;
}
}
// System.out.println("Total Even Numbers : " + count);
}
public static int countEvenUsingInstanceVariable(int[] arr) {
for (int i = 0; i < arr.length; i++) {
if ((arr[i] % 2) == 0) {
instanceVariableCount++;
}
}
return instanceVariableCount;
}
public static int countEvenUsingIfElse(int[] arr, int args) {
int count;
count = args > 0 ? args : 0;
for (int i = 0; i < arr.length; i++) {
if ((arr[i] % 2) == 0) {
count++;
}
}
return count;
}
}

24
core-java-modules/core-java-exceptions-4/src/test/java/com/baeldung/exception/variablemightnothavebeeninitialized/VariableMightNotHaveBeenInitializedUnitTest.java
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@ -1,24 +0,0 @@
package com.baeldung.exception.variablemightnothavebeeninitialized;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class VariableMightNotHaveBeenInitializedUnitTest {
@Test
public void usingInstanceVariable_returnCount() {
int[] arr = new int[]{1, 2, 3, 4, 5, 6};
int value = VariableMightNotHaveBeenInitialized.countEvenUsingInstanceVariable(arr);
assertEquals(3, value);
}
@Test
public void usingArgumentsAndIfElse_returnCount() {
int[] arr = new int[]{1, 2, 3, 4, 5, 6};
int value = VariableMightNotHaveBeenInitialized.countEvenUsingIfElse(arr, 2);
assertEquals(5, value);
}
}

83
core-java-modules/core-java-io-4/src/main/java/com/baeldung/filetomap/FileToHashMap.java Normal file
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@ -0,0 +1,83 @@
package com.baeldung.filetomap;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.Stream;
public class FileToHashMap {
enum DupKeyOption {
OVERWRITE, DISCARD
}
public static Map<String, String> byBufferedReader(String filePath, DupKeyOption dupKeyOption) {
HashMap<String, String> map = new HashMap<>();
String line;
try (BufferedReader reader = new BufferedReader(new FileReader(filePath))) {
while ((line = reader.readLine()) != null) {
String[] keyValuePair = line.split(":", 2);
if (keyValuePair.length > 1) {
String key = keyValuePair[0];
String value = keyValuePair[1];
if (DupKeyOption.OVERWRITE == dupKeyOption) {
map.put(key, value);
} else if (DupKeyOption.DISCARD == dupKeyOption) {
map.putIfAbsent(key, value);
}
} else {
System.out.println("No Key:Value found in line, ignoring: " + line);
}
}
} catch (IOException e) {
e.printStackTrace();
}
return map;
}
public static Map<String, String> byStream(String filePath, DupKeyOption dupKeyOption) {
Map<String, String> map = new HashMap<>();
try (Stream<String> lines = Files.lines(Paths.get(filePath))) {
lines.filter(line -> line.contains(":"))
.forEach(line -> {
String[] keyValuePair = line.split(":", 2);
String key = keyValuePair[0];
String value = keyValuePair[1];
if (DupKeyOption.OVERWRITE == dupKeyOption) {
map.put(key, value);
} else if (DupKeyOption.DISCARD == dupKeyOption) {
map.putIfAbsent(key, value);
}
});
} catch (IOException e) {
e.printStackTrace();
}
return map;
}
public static Map<String, List<String>> aggregateByKeys(String filePath) {
Map<String, List<String>> map = new HashMap<>();
try (Stream<String> lines = Files.lines(Paths.get(filePath))) {
lines.filter(line -> line.contains(":"))
.forEach(line -> {
String[] keyValuePair = line.split(":", 2);
String key = keyValuePair[0];
String value = keyValuePair[1];
if (map.containsKey(key)) {
map.get(key).add(value);
} else {
map.put(key, Stream.of(value).collect(Collectors.toList()));
}
});
} catch (IOException e) {
e.printStackTrace();
}
return map;
}
}

66
core-java-modules/core-java-io-4/src/test/java/com/baeldung/filetomap/FileToHashMapUnitTest.java Normal file
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package com.baeldung.filetomap;
import org.junit.Before;
import org.junit.Test;
import java.net.URISyntaxException;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import static org.assertj.core.api.Assertions.assertThat;
public class FileToHashMapUnitTest {
private String filePath;
private static final Map<String, String> EXPECTED_MAP_DISCARD = Stream.of(new String[][]{
{"title", "The Lord of the Rings: The Return of the King"},
{"director", "Peter Jackson"},
{"actor", "Sean Astin"}
}).collect(Collectors.toMap(data -> data[0], data -> data[1]));
private static final Map<String, String> EXPECTED_MAP_OVERWRITE = Stream.of(new String[][]{
{"title", "The Lord of the Rings: The Return of the King"},
{"director", "Peter Jackson"},
{"actor", "Ian McKellen"}
}).collect(Collectors.toMap(data -> data[0], data -> data[1]));
private static final Map<String, List<String>> EXPECTED_MAP_AGGREGATE = Stream.of(new String[][]{
{"title", "The Lord of the Rings: The Return of the King"},
{"director", "Peter Jackson"},
{"actor", "Sean Astin", "Ian McKellen"}
}).collect(Collectors.toMap(arr -> arr[0], arr -> Arrays.asList(Arrays.copyOfRange(arr, 1, arr.length))));
@Before
public void setPath() throws URISyntaxException {
if (filePath == null) {
filePath = Paths.get(ClassLoader.getSystemResource("filetomap/theLordOfRings.txt").toURI()).toString();
}
}
@Test
public void givenInputFile_whenInvokeByBufferedReaderPriorToJava8_shouldGetExpectedMap() {
Map<String, String> mapOverwrite = FileToHashMap.byBufferedReader(filePath, FileToHashMap.DupKeyOption.OVERWRITE);
Map<String, String> mapDiscard = FileToHashMap.byBufferedReader(filePath, FileToHashMap.DupKeyOption.DISCARD);
assertThat(mapOverwrite).isEqualTo(EXPECTED_MAP_OVERWRITE);
assertThat(mapDiscard).isEqualTo(EXPECTED_MAP_DISCARD);
}
@Test
public void givenInputFile_whenInvokeByStream_shouldGetExpectedMap() {
Map<String, String> mapOverwrite = FileToHashMap.byStream(filePath, FileToHashMap.DupKeyOption.OVERWRITE);
Map<String, String> mapDiscard = FileToHashMap.byStream(filePath, FileToHashMap.DupKeyOption.DISCARD);
assertThat(mapOverwrite).isEqualTo(EXPECTED_MAP_OVERWRITE);
assertThat(mapDiscard).isEqualTo(EXPECTED_MAP_DISCARD);
}
@Test
public void givenInputFile_whenInvokeAggregateByKeys_shouldGetExpectedMap() {
Map<String, List<String>> mapAgg = FileToHashMap.aggregateByKeys(filePath);
assertThat(mapAgg).isEqualTo(EXPECTED_MAP_AGGREGATE);
}
}

6
core-java-modules/core-java-io-4/src/test/resources/filetomap/theLordOfRings.txt Normal file
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@ -0,0 +1,6 @@
title:The Lord of the Rings: The Return of the King
director:Peter Jackson
actor:Sean Astin
actor:Ian McKellen
Gandalf and Aragorn lead the World of Men against Sauron's
army to draw his gaze from Frodo and Sam as they approach Mount Doom with the One Ring.

1
docker/README.md
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@ -7,3 +7,4 @@
- [Dockerfile Strategies for Git](https://www.baeldung.com/ops/dockerfile-git-strategies)
- [How to Get Docker-Compose to Always Use the Latest Image](https://www.baeldung.com/ops/docker-compose-latest-image)
- [How to Include Files Outside of Docker’s Build Context](https://www.baeldung.com/ops/docker-include-files-outside-build-context)
- [Caching Maven Dependencies with Docker](https://www.baeldung.com/ops/docker-cache-maven-dependencies)

119
graphql/graphql-java/pom.xml
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@ -12,8 +12,24 @@
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../../</relativePath>
</parent>
<repositories>
<repository>
<id>jitpack.io</id>
<url>https://jitpack.io</url>
</repository>
<repository>
<snapshots>
<enabled>false</enabled>
</snapshots>
<id>central</id>
<name>Central Repository</name>
<url>https://repo.maven.apache.org/maven2</url>
</repository>
</repositories>
<dependencies>
<dependency>
<groupId>com.graphql-java</groupId>
@ -25,11 +41,114 @@
<artifactId>ratpack-core</artifactId>
<version>${ratpack-core.version}</version>
</dependency>
<dependency>
<groupId>com.github.americanexpress.nodes</groupId>
<artifactId>nodes</artifactId>
<version>0.5.0</version>
</dependency>
<dependency>
<groupId>com.graphql-java</groupId>
<artifactId>graphql-java</artifactId>
<version>9.2</version>
</dependency>
<dependency>
<groupId>com.graphql-java</groupId>
<artifactId>graphql-java-tools</artifactId>
<version>5.2.4</version>
</dependency>
<dependency>
<groupId>com.graphql-java</groupId>
<artifactId>graphql-java-servlet</artifactId>
<version>6.1.3</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.0.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.12.0</version>
</dependency>
<dependency>
<groupId>org.mock-server</groupId>
<artifactId>mockserver-netty</artifactId>
<version>5.11.2</version>
</dependency>
<dependency>
<groupId>org.mock-server</groupId>
<artifactId>mockserver-client-java</artifactId>
<version>5.11.2</version>
</dependency>
<dependency>
<groupId>com.graphql-java-generator</groupId>
<artifactId>graphql-java-runtime</artifactId>
<version>${graphql.java.generator.version}</version>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<version>5.8.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>3.22.0</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<source>${maven.compiler.source}</source>
<target>${maven.compiler.target}</target>
</configuration>
</plugin>
<plugin>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-maven-plugin</artifactId>
<version>10.0.7</version>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>3.1.0</version>
</plugin>
<plugin>
<groupId>com.graphql-java-generator</groupId>
<artifactId>graphql-maven-plugin</artifactId>
<version>${graphql.java.generator.version}</version>
<executions>
<execution>
<goals>
<goal>generateClientCode</goal>
</goals>
</execution>
</executions>
<configuration>
<packageName>com.baeldung.graphql.generated</packageName>
<copyRuntimeSources>false</copyRuntimeSources>
<generateDeprecatedRequestResponse>false</generateDeprecatedRequestResponse>
<separateUtilityClasses>true</separateUtilityClasses>
</configuration>
</plugin>
</plugins>
</build>
<properties>
<graphql-java-annotations.version>3.0.3</graphql-java-annotations.version>
<ratpack-core.version>1.4.6</ratpack-core.version>
<maven-compiler-plugin.version>3.1</maven-compiler-plugin.version>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
<graphql.java.generator.version>1.18</graphql.java.generator.version>
</properties>
</project>

24
graphql/graphql-java/src/main/java/com/baeldung/graphql/clients/AmericanExpressNodes.java Normal file
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@ -0,0 +1,24 @@
package com.baeldung.graphql.clients;
import com.baeldung.graphql.data.Data;
import io.aexp.nodes.graphql.GraphQLRequestEntity;
import io.aexp.nodes.graphql.GraphQLResponseEntity;
import io.aexp.nodes.graphql.GraphQLTemplate;
import org.apache.commons.lang3.StringUtils;
import java.io.IOException;
public class AmericanExpressNodes {
public static GraphQLResponseEntity<Data> callGraphQLService(String url, String query) throws IOException {
GraphQLTemplate graphQLTemplate = new GraphQLTemplate();
GraphQLRequestEntity requestEntity = GraphQLRequestEntity.Builder()
.url(StringUtils.join(url, "?query=", query))
.request(Data.class)
.build();
return graphQLTemplate.query(requestEntity, Data.class);
}
}

25
graphql/graphql-java/src/main/java/com/baeldung/graphql/clients/ApacheHttpClient.java Normal file
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@ -0,0 +1,25 @@
package com.baeldung.graphql.clients;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.impl.client.HttpClientBuilder;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
public class ApacheHttpClient {
public static HttpResponse callGraphQLService(String url, String query) throws URISyntaxException, IOException {
HttpClient client = HttpClientBuilder.create().build();
HttpGet request = new HttpGet(url);
URI uri = new URIBuilder(request.getURI())
.addParameter("query", query)
.build();
request.setURI(uri);
return client.execute(request);
}
}

31
graphql/graphql-java/src/main/java/com/baeldung/graphql/data/Author.java Normal file
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@ -0,0 +1,31 @@
package com.baeldung.graphql.data;
import org.apache.commons.lang3.StringUtils;
public class Author {
private String name;
private String surname;
public Author() {
}
public Author(String name, String surname) {
this.name = name;
this.surname = surname;
}
public String getName() {
return name;
}
public String getSurname() {
return surname;
}
public String getFullName() {
return StringUtils.join(getName(), " ", getSurname());
}
}

25
graphql/graphql-java/src/main/java/com/baeldung/graphql/data/Book.java Normal file
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@ -0,0 +1,25 @@
package com.baeldung.graphql.data;
public class Book {
private String title;
private Author author;
public Book() {
}
public Book(String title, Author author) {
this.title = title;
this.author = author;
}
public String getTitle() {
return title;
}
public Author getAuthor() {
return author;
}
}

19
graphql/graphql-java/src/main/java/com/baeldung/graphql/data/BookRepository.java Normal file
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@ -0,0 +1,19 @@
package com.baeldung.graphql.data;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
public class BookRepository {
private static final List<Book> books = Stream.of(
new Book("Title 1", new Author("Pero", "Peric")),
new Book("Title 2", new Author("Marko", "Maric"))
).collect(Collectors.toList());
public List<Book> getAllBooks() {
return Collections.unmodifiableList(books);
}
}

22
graphql/graphql-java/src/main/java/com/baeldung/graphql/data/Data.java Normal file
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@ -0,0 +1,22 @@
package com.baeldung.graphql.data;
import java.util.Collections;
import java.util.List;
public class Data {
private List<Book> allBooks;
public Data() {
}
public Data(List<Book> allBooks) {
this.allBooks = allBooks;
}
public List<Book> getAllBooks() {
return Collections.unmodifiableList(allBooks);
}
}

19
graphql/graphql-java/src/main/java/com/baeldung/graphql/data/Response.java Normal file
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@ -0,0 +1,19 @@
package com.baeldung.graphql.data;
public class Response {
private Data data;
public Response() {
}
public Response(Data data) {
this.data = data;
}
public Data getData() {
return data;
}
}

36
graphql/graphql-java/src/main/java/com/baeldung/graphql/server/GraphQLEndpoint.java Normal file
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@ -0,0 +1,36 @@
package com.baeldung.graphql.server;
import com.baeldung.graphql.data.BookRepository;
import com.coxautodev.graphql.tools.SchemaParser;
import graphql.schema.GraphQLSchema;
import graphql.servlet.SimpleGraphQLHttpServlet;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@WebServlet(urlPatterns = "/graphql")
public class GraphQLEndpoint extends HttpServlet {
private SimpleGraphQLHttpServlet graphQLServlet;
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
graphQLServlet.service(req, resp);
}
@Override
public void init() {
GraphQLSchema schema = SchemaParser.newParser()
.resolvers(new GraphQLQuery(new BookRepository()))
.file("schema.graphqls")
.build()
.makeExecutableSchema();
graphQLServlet = SimpleGraphQLHttpServlet
.newBuilder(schema)
.build();
}
}

21
graphql/graphql-java/src/main/java/com/baeldung/graphql/server/GraphQLQuery.java Normal file
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@ -0,0 +1,21 @@
package com.baeldung.graphql.server;
import com.baeldung.graphql.data.Book;
import com.baeldung.graphql.data.BookRepository;
import com.coxautodev.graphql.tools.GraphQLQueryResolver;
import java.util.List;
public class GraphQLQuery implements GraphQLQueryResolver {
private final BookRepository repository;
public GraphQLQuery(BookRepository repository) {
this.repository = repository;
}
public List<Book> allBooks() {
return repository.getAllBooks();
}
}

17
graphql/graphql-java/src/main/resources/schema.graphqls Normal file
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@ -0,0 +1,17 @@
type Book {
title: String!
author: Author
}
type Author {
name: String!
surname: String!
}
type Query {
allBooks: [Book]
}
schema {
query: Query
}

85
graphql/graphql-java/src/test/java/com/baeldung/graphql/GraphQLMockServer.java Normal file
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@ -0,0 +1,85 @@
package com.baeldung.graphql;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.mockserver.client.MockServerClient;
import org.mockserver.integration.ClientAndServer;
import org.mockserver.model.HttpStatusCode;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.URISyntaxException;
import static org.mockserver.integration.ClientAndServer.startClientAndServer;
import static org.mockserver.matchers.Times.exactly;
import static org.mockserver.model.HttpRequest.request;
import static org.mockserver.model.HttpResponse.response;
public class GraphQLMockServer {
public static ClientAndServer mockServer;
public static String serviceUrl;
private static int serverPort;
public static final String SERVER_ADDRESS = "127.0.0.1";
public static final String HTTP_GET_POST = "GET";
public static final String PATH = "/graphql";
@BeforeAll
static void startServer() throws IOException, URISyntaxException {
serverPort = getFreePort();
serviceUrl = "http://" + SERVER_ADDRESS + ":" + serverPort + PATH;
mockServer = startClientAndServer(serverPort);
mockAllBooksTitleRequest();
mockAllBooksTitleAuthorRequest();
}
@AfterAll
static void stopServer() {
mockServer.stop();
}
private static void mockAllBooksTitleAuthorRequest() {
String requestQuery = "{allBooks{title,author{name,surname}}}";
String responseJson = "{\"data\":{\"allBooks\":[{\"title\":\"Title 1\",\"author\":{\"name\":\"Pero\",\"surname\":\"Peric\"}},{\"title\":\"Title 2\",\"author\":{\"name\":\"Marko\",\"surname\":\"Maric\"}}]}}";
new MockServerClient(SERVER_ADDRESS, serverPort)
.when(
request()
.withPath(PATH)
.withQueryStringParameter("query", requestQuery),
exactly(1)
)
.respond(
response()
.withStatusCode(HttpStatusCode.OK_200.code())
.withBody(responseJson)
);
}
private static void mockAllBooksTitleRequest() {
String requestQuery = "{allBooks{title}}";
String responseJson = "{\"data\":{\"allBooks\":[{\"title\":\"Title 1\"},{\"title\":\"Title 2\"}]}}";
new MockServerClient(SERVER_ADDRESS, serverPort)
.when(
request()
.withPath(PATH)
.withQueryStringParameter("query", requestQuery),
exactly(1)
)
.respond(
response()
.withStatusCode(HttpStatusCode.OK_200.code())
.withBody(responseJson)
);
}
private static int getFreePort () throws IOException {
try (ServerSocket serverSocket = new ServerSocket(0)) {
return serverSocket.getLocalPort();
}
}
}

39
graphql/graphql-java/src/test/java/com/baeldung/graphql/clients/AmericanExpressNodesUnitTest.java Normal file
View File

@ -0,0 +1,39 @@
package com.baeldung.graphql.clients;
import com.baeldung.graphql.GraphQLMockServer;
import com.baeldung.graphql.data.Data;
import io.aexp.nodes.graphql.GraphQLResponseEntity;
import org.junit.jupiter.api.Test;
import java.io.IOException;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertAll;
class AmericanExpressNodesUnitTest extends GraphQLMockServer {
@Test
void givenGraphQLEndpoint_whenRequestingAllBooksWithTitle_thenExpectedJsonIsReturned() throws IOException {
GraphQLResponseEntity<Data> responseEntity = AmericanExpressNodes.callGraphQLService(serviceUrl, "{allBooks{title}}");
assertAll(
() -> assertThat(responseEntity.getResponse().getAllBooks()).hasSize(2),
() -> assertThat(responseEntity.getResponse().getAllBooks().get(0).getTitle()).isEqualTo("Title 1"),
() -> assertThat(responseEntity.getResponse().getAllBooks().get(1).getTitle()).isEqualTo("Title 2")
);
}
@Test
void givenGraphQLEndpoint_whenRequestingAllBooksWithTitleAndAuthor_thenExpectedJsonIsReturned() throws IOException {
GraphQLResponseEntity<Data> responseEntity = AmericanExpressNodes.callGraphQLService(serviceUrl, "{allBooks{title,author{name,surname}}}");
assertAll(
() -> assertThat(responseEntity.getResponse().getAllBooks()).hasSize(2),
() -> assertThat(responseEntity.getResponse().getAllBooks().get(0).getTitle()).isEqualTo("Title 1"),
() -> assertThat(responseEntity.getResponse().getAllBooks().get(0).getAuthor().getFullName()).isEqualTo("Pero Peric"),
() -> assertThat(responseEntity.getResponse().getAllBooks().get(1).getTitle()).isEqualTo("Title 2"),
() -> assertThat(responseEntity.getResponse().getAllBooks().get(1).getAuthor().getFullName()).isEqualTo("Marko Maric")
);
}
}

49
graphql/graphql-java/src/test/java/com/baeldung/graphql/clients/ApacheHttpClientUnitTest.java Normal file
View File

@ -0,0 +1,49 @@
package com.baeldung.graphql.clients;
import com.baeldung.graphql.GraphQLMockServer;
import com.baeldung.graphql.data.Response;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.commons.io.IOUtils;
import org.apache.http.HttpResponse;
import org.junit.jupiter.api.Test;
import java.io.IOException;
import java.net.URISyntaxException;
import java.nio.charset.StandardCharsets;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertAll;
class ApacheHttpClientUnitTest extends GraphQLMockServer {
private static final ObjectMapper objectMapper = new ObjectMapper();
@Test
void givenGraphQLEndpoint_whenRequestingAllBooksWithTitle_thenExpectedJsonIsReturned() throws IOException, URISyntaxException {
HttpResponse httpResponse = ApacheHttpClient.callGraphQLService(serviceUrl, "{allBooks{title}}");
String actualResponse = IOUtils.toString(httpResponse.getEntity().getContent(), StandardCharsets.UTF_8.name());
Response parsedResponse = objectMapper.readValue(actualResponse, Response.class);
assertAll(
() -> assertThat(parsedResponse.getData().getAllBooks()).hasSize(2),
() -> assertThat(parsedResponse.getData().getAllBooks().get(0).getTitle()).isEqualTo("Title 1"),
() -> assertThat(parsedResponse.getData().getAllBooks().get(1).getTitle()).isEqualTo("Title 2")
);
}
@Test
void givenGraphQLEndpoint_whenRequestingAllBooksWithTitleAndAuthor_thenExpectedJsonIsReturned() throws IOException, URISyntaxException {
HttpResponse httpResponse = ApacheHttpClient.callGraphQLService(serviceUrl, "{allBooks{title,author{name,surname}}}");
String actualResponse = IOUtils.toString(httpResponse.getEntity().getContent(), StandardCharsets.UTF_8.name());
Response parsedResponse = objectMapper.readValue(actualResponse, Response.class);
assertAll(
() -> assertThat(parsedResponse.getData().getAllBooks()).hasSize(2),
() -> assertThat(parsedResponse.getData().getAllBooks().get(0).getTitle()).isEqualTo("Title 1"),
() -> assertThat(parsedResponse.getData().getAllBooks().get(0).getAuthor().getFullName()).isEqualTo("Pero Peric"),
() -> assertThat(parsedResponse.getData().getAllBooks().get(1).getTitle()).isEqualTo("Title 2"),
() -> assertThat(parsedResponse.getData().getAllBooks().get(1).getAuthor().getFullName()).isEqualTo("Marko Maric")
);
}
}

1
javax-servlets-2/README.md
View File

@ -3,3 +3,4 @@
This module contains articles about Servlets.
### Relevant Articles:
- [Check if a User Is Logged-in With Servlets and JSP](https://www.baeldung.com/servlets-jsp-check-user-login)

0
javax-servlets/src/main/webapp/sample.txt → javax-servlets/src/main/webapp/WEB-INF/sample.txt
View File

56
lombok-2/src/main/java/com/baeldung/lombok/tostring/Account.java Normal file
View File

@ -0,0 +1,56 @@
package com.baeldung.lombok.tostring;
import lombok.ToString;
@ToString
public class Account {
private String name;
// render this field before any others (the highest ranked)
@ToString.Include(rank = 1)
private String id;
@ToString.Exclude
private String accountNumber;
// automatically excluded
private String $ignored;
@ToString.Include
String description() {
return "Account description";
}
public String getAccountNumber() {
return accountNumber;
}
public void setAccountNumber(String accountNumber) {
this.accountNumber = accountNumber;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String get$ignored() {
return $ignored;
}
public void set$ignored(String value) {
this.$ignored = value;
}
}

9
lombok-2/src/main/java/com/baeldung/lombok/tostring/AccountType.java Normal file
View File

@ -0,0 +1,9 @@
package com.baeldung.lombok.tostring;
import lombok.ToString;
@ToString
public enum AccountType {
CHECKING,
SAVING
}

27
lombok-2/src/main/java/com/baeldung/lombok/tostring/RewardAccount.java Normal file
View File

@ -0,0 +1,27 @@
package com.baeldung.lombok.tostring;
import lombok.ToString;
@ToString
public class RewardAccount extends Account {
private String rewardAccountId;
private Object[] relatedAccounts;
public String getRewardAccountId() {
return rewardAccountId;
}
public void setRewardAccountId(String rewardAccountId) {
this.rewardAccountId = rewardAccountId;
}
public Object[] getRelatedAccounts() {
return relatedAccounts;
}
public void setRelatedAccounts(Object[] relatedAccounts) {
this.relatedAccounts = relatedAccounts;
}
}

17
lombok-2/src/main/java/com/baeldung/lombok/tostring/SavingAccount.java Normal file
View File

@ -0,0 +1,17 @@
package com.baeldung.lombok.tostring;
import lombok.ToString;
@ToString(callSuper = true)
public class SavingAccount extends Account {
private String savingAccountId;
public String getSavingAccountId() {
return savingAccountId;
}
public void setSavingAccountId(String savingAccountId) {
this.savingAccountId = savingAccountId;
}
}

66
lombok-2/src/test/java/com/baeldung/lombok/tostring/ToStringUnitTest.java Normal file
View File

@ -0,0 +1,66 @@
package com.baeldung.lombok.tostring;
import org.junit.jupiter.api.Test;
import static org.assertj.core.api.Assertions.assertThat;
class ToStringUnitTest {
@Test
void whenPrintObject_thenOutputIsCorrect() {
Account account = new Account();
account.setId("12345");
account.setName("An account");
account.setAccountNumber("11111"); // should not be present in output
account.set$ignored("ignored value"); // should not be present in output
assertThat(account.toString())
.isEqualTo("Account(id=12345, name=An account, description=Account description)");
}
@Test
void whenPrintSubclassWithSuper_thenOutputIsCorrect() {
SavingAccount savingAccount = new SavingAccount();
savingAccount.setSavingAccountId("5678");
savingAccount.setId("12345");
savingAccount.setName("An account");
assertThat(savingAccount.toString())
.isEqualTo("SavingAccount(super=Account(id=12345, name=An account, description=Account description), savingAccountId=5678)");
}
@Test
void whenPrintArrays_thenOutputIsCorrect() {
RewardAccount account = new RewardAccount();
account.setRewardAccountId("12345");
// circular ref, just for demonstration
Object[] relatedAccounts = new Object[2];
relatedAccounts[0] = "54321";
relatedAccounts[1] = relatedAccounts;
account.setRelatedAccounts(relatedAccounts);
assertThat(account.toString())
.isEqualTo("RewardAccount(rewardAccountId=12345, relatedAccounts=[54321, [...]])");
}
@Test
void whenPrintSubclassWithoutSuper_thenOutputIsCorrect() {
RewardAccount rewardAccount = new RewardAccount();
rewardAccount.setRewardAccountId("12345");
assertThat(rewardAccount.toString())
.isEqualTo("RewardAccount(rewardAccountId=12345, relatedAccounts=null)");
}
@Test
void whenPrintEnum_thenOutputIsCorrect() {
assertThat(AccountType.CHECKING.toString())
.isEqualTo("AccountType.CHECKING");
assertThat(AccountType.SAVING.toString())
.isEqualTo("AccountType.SAVING");
}
}

3
maven-modules/maven-classifier/README.md Normal file
View File

@ -0,0 +1,3 @@
### Relevant Articles:
- [A Guide to Maven Artifact Classifiers](https://www.baeldung.com/maven-artifact-classifiers)

2
maven-modules/maven-simple/maven-profiles/pom.xml
View File

@ -5,7 +5,7 @@
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung</groupId>
<artifactId>maven-profiles</artifactId>
<version>0.0.1-SNAPSHOT</version>
<version>1.0.0-SNAPSHOT</version>
<name>maven-profiles</name>
<profiles>

2
maven-modules/maven-simple/parent-project/core/pom.xml
View File

@ -10,7 +10,7 @@
<parent>
<artifactId>parent-project</artifactId>
<groupId>com.baeldung</groupId>
<version>1.0-SNAPSHOT</version>
<version>1.0.0-SNAPSHOT</version>
</parent>
</project>

3
maven-modules/maven-simple/parent-project/pom.xml
View File

@ -4,14 +4,13 @@
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>parent-project</artifactId>
<version>1.0-SNAPSHOT</version>
<name>parent-project</name>
<packaging>pom</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>maven-simple</artifactId>
<version>0.0.1-SNAPSHOT</version>
<version>1.0.0-SNAPSHOT</version>
</parent>
<modules>

2
maven-modules/maven-simple/parent-project/service/pom.xml
View File

@ -10,7 +10,7 @@
<parent>
<artifactId>parent-project</artifactId>
<groupId>com.baeldung</groupId>
<version>1.0-SNAPSHOT</version>
<version>1.0.0-SNAPSHOT</version>
</parent>
</project>

2
maven-modules/maven-simple/parent-project/webapp/pom.xml
View File

@ -10,7 +10,7 @@
<parent>
<artifactId>parent-project</artifactId>
<groupId>com.baeldung</groupId>
<version>1.0-SNAPSHOT</version>
<version>1.0.0-SNAPSHOT</version>
</parent>
</project>

6
maven-modules/maven-simple/plugin-management/pom.xml
View File

@ -9,7 +9,7 @@
<parent>
<artifactId>maven-simple</artifactId>
<groupId>com.baeldung</groupId>
<version>0.0.1-SNAPSHOT</version>
<version>1.0.0-SNAPSHOT</version>
</parent>
<modules>
@ -56,8 +56,8 @@
</build>
<properties>
<maven.compiler.plugin>3.8.1</maven.compiler.plugin>
<maven.bulid.helper.plugin>3.2.0</maven.bulid.helper.plugin>
<maven.compiler.plugin>3.10.0</maven.compiler.plugin>
<maven.bulid.helper.plugin>3.3.0</maven.bulid.helper.plugin>
</properties>
</project>

2
maven-modules/maven-simple/plugin-management/submodule-1/pom.xml
View File

@ -8,7 +8,7 @@
<parent>
<artifactId>plugin-management</artifactId>
<groupId>com.baeldung</groupId>
<version>0.0.1-SNAPSHOT</version>
<version>1.0.0-SNAPSHOT</version>
</parent>
<build>

2
maven-modules/maven-simple/plugin-management/submodule-2/pom.xml
View File

@ -8,7 +8,7 @@
<parent>
<artifactId>plugin-management</artifactId>
<groupId>com.baeldung</groupId>
<version>0.0.1-SNAPSHOT</version>
<version>1.0.0-SNAPSHOT</version>
</parent>
</project>

1
maven-modules/maven-simple/pom.xml
View File

@ -5,6 +5,7 @@
<modelVersion>4.0.0</modelVersion>
<artifactId>maven-simple</artifactId>
<name>maven-simple</name>
<version>1.0.0-SNAPSHOT</version>
<packaging>pom</packaging>
<parent>

9
muleesb/pom.xml
View File

@ -108,7 +108,7 @@
<plugin>
<groupId>org.mule.tools.maven</groupId>
<artifactId>mule-maven-plugin</artifactId>
<version>2.2.1</version>
<version>${mule-maven-plugin.version}</version>
<configuration>
<deploymentType>standalone</deploymentType>
<muleVersion>${mule.version}</muleVersion>
@ -203,7 +203,7 @@
<id>mulesoft-release</id>
<name>mulesoft release repository</name>
<layout>default</layout>
<url>https://repository.mulesoft.org/releases/</url>
<url>https://repository.mulesoft.org/nexus/content/repositories/public/</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
@ -212,9 +212,10 @@
<properties>
<mule.version>3.9.0</mule.version>
<mule.tools.version>1.2</mule.tools.version>
<mule.tools.version>1.8</mule.tools.version>
<munit.version>1.3.6</munit.version>
<build-helper-maven-plugin.version>1.7</build-helper-maven-plugin.version>
<build-helper-maven-plugin.version>1.10</build-helper-maven-plugin.version>
<mule-maven-plugin.version>2.2.1</mule-maven-plugin.version>
</properties>
</project>

19
persistence-modules/java-cassandra/pom.xml
View File

@ -50,6 +50,25 @@
</dependency>
</dependencies>
<profiles>
<profile>
<id>integration-lite-first</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<forkCount>1</forkCount>
<reuseForks>true</reuseForks>
</configuration>
</plugin>
</plugins>
</build>
</profile>
</profiles>
<properties>
<!-- Cassandra -->
<cassandra-driver-core.version>3.1.2</cassandra-driver-core.version>

46
persistence-modules/java-mongodb/src/main/java/com/baeldung/mongo/update/MultipleFieldsExample.java
View File

@ -10,35 +10,35 @@ import com.mongodb.client.result.UpdateResult;
public class MultipleFieldsExample {
public static void main(String[] args) {
public static void main(String[] args) {
//
// Connect to cluster (default is localhost:27017)
//
//
// Connect to cluster (default is localhost:27017)
//
MongoClient mongoClient = new MongoClient("localhost", 27017);
MongoDatabase database = mongoClient.getDatabase("baeldung");
MongoCollection<Document> collection = database.getCollection("employee");
MongoClient mongoClient = new MongoClient("localhost", 27017);
MongoDatabase database = mongoClient.getDatabase("baeldung");
MongoCollection<Document> collection = database.getCollection("employee");
//
// Filter on the basis of employee_id
//
//
// Filter on the basis of employee_id
//
BasicDBObject searchQuery = new BasicDBObject("employee_id", 794875);
BasicDBObject searchQuery = new BasicDBObject("employee_id", 794875);
//
// Update the fields in Document
//
//
// Update the fields in Document
//
BasicDBObject updateFields = new BasicDBObject();
updateFields.append("department_id", 3);
updateFields.append("job", "Sales Manager");
BasicDBObject setQuery = new BasicDBObject();
setQuery.append("$set", updateFields);
UpdateResult updateResult = collection.updateMany(searchQuery, setQuery);
BasicDBObject updateFields = new BasicDBObject();
updateFields.append("department_id", 3);
updateFields.append("job", "Sales Manager");
BasicDBObject setQuery = new BasicDBObject();
setQuery.append("$set", updateFields);
UpdateResult updateResult = collection.updateMany(searchQuery, setQuery);
System.out.println("updateResult:- " + updateResult);
System.out.println("updateResult:- " + updateResult.getModifiedCount());
System.out.println("updateResult:- " + updateResult);
System.out.println("updateResult:- " + updateResult.getModifiedCount());
}
}
}

31
persistence-modules/java-mongodb/src/main/java/com/baeldung/mongo/update/UpdateMultipleFields.java
View File

@ -11,26 +11,25 @@ import com.mongodb.client.result.UpdateResult;
public class UpdateMultipleFields {
public static void main(String[] args) {
public static void main(String[] args) {
//
// Connect to cluster
//
//
// Connect to cluster
//
MongoClient mongoClient = new MongoClient("localhost", 27007);
MongoDatabase database = mongoClient.getDatabase("baeldung");
MongoCollection<Document> collection = database.getCollection("employee");
MongoClient mongoClient = new MongoClient("localhost", 27007);
MongoDatabase database = mongoClient.getDatabase("baeldung");
MongoCollection<Document> collection = database.getCollection("employee");
//
// Update query
//
//
// Update query
//
UpdateResult updateResult = collection.updateMany(Filters.eq("employee_id", 794875),
Updates.combine(Updates.set("department_id", 4), Updates.set("job", "Sales Manager")));
UpdateResult updateResult = collection.updateMany(Filters.eq("employee_id", 794875), Updates.combine(Updates.set("department_id", 4), Updates.set("job", "Sales Manager")));
System.out.println("updateResult:- " + updateResult);
System.out.println("updateResult:- " + updateResult.getModifiedCount());
System.out.println("updateResult:- " + updateResult);
System.out.println("updateResult:- " + updateResult.getModifiedCount());
}
}
}
}

16
persistence-modules/java-mongodb/src/test/java/com/baeldung/update/UpdateMultipleFieldsLiveTest.java
View File

@ -2,8 +2,6 @@ package com.baeldung.update;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import org.bson.Document;
import org.junit.Before;
@ -15,7 +13,6 @@ import com.mongodb.client.MongoCollection;
import com.mongodb.client.MongoDatabase;
import com.mongodb.client.model.Filters;
import com.mongodb.client.model.Updates;
import com.mongodb.client.result.UpdateResult;
public class UpdateMultipleFieldsLiveTest {
@ -30,8 +27,7 @@ public class UpdateMultipleFieldsLiveTest {
db = mongoClient.getDatabase("baeldung");
collection = db.getCollection("employee");
collection.insertOne(Document.parse(
"{'employee_id':794875,'employee_name': 'David smith','job': 'Sales Representative','department_id': 2,'salary': 20000,'hire_date': NumberLong(\"1643969311817\")}"));
collection.insertOne(Document.parse("{'employee_id':794875,'employee_name': 'David Smith','job': 'Sales Representative','department_id': 2,'salary': 20000,'hire_date': NumberLong(\"1643969311817\")}"));
}
}
@ -47,7 +43,8 @@ public class UpdateMultipleFieldsLiveTest {
collection.updateMany(searchQuery, setQuery);
Document nameDoc = collection.find(Filters.eq("employee_id", 794875)).first();
Document nameDoc = collection.find(Filters.eq("employee_id", 794875))
.first();
assertNotNull(nameDoc);
assertFalse(nameDoc.isEmpty());
@ -62,10 +59,10 @@ public class UpdateMultipleFieldsLiveTest {
@Test
public void updateMultipleFieldsUsingDocument() {
collection.updateMany(Filters.eq("employee_id", 794875),
Updates.combine(Updates.set("department_id", 4), Updates.set("job", "Sales Manager")));
collection.updateMany(Filters.eq("employee_id", 794875), Updates.combine(Updates.set("department_id", 4), Updates.set("job", "Sales Manager")));
Document nameDoc = collection.find(Filters.eq("employee_id", 794875)).first();
Document nameDoc = collection.find(Filters.eq("employee_id", 794875))
.first();
assertNotNull(nameDoc);
assertFalse(nameDoc.isEmpty());
@ -78,3 +75,4 @@ public class UpdateMultipleFieldsLiveTest {
}
}

4
pom.xml
View File

@ -518,7 +518,7 @@
<module>micronaut</module>
<module>microprofile</module>
<module>msf4j</module>
<!-- <module>muleesb</module> --> <!-- Module broken, fixing in https://team.baeldung.com/browse/JAVA-10335 -->
<module>muleesb</module>
<module>mustache</module>
<module>mybatis</module>
@ -1001,7 +1001,7 @@
<module>micronaut</module>
<module>microprofile</module>
<module>msf4j</module>
<!-- <module>muleesb</module> --> <!-- Module broken, fixing in https://team.baeldung.com/browse/JAVA-10335 -->
<module>muleesb</module>
<module>mustache</module>
<module>mybatis</module>

1
spring-cloud/spring-cloud-gateway/README.md
View File

@ -9,3 +9,4 @@ This module contains articles about Spring Cloud Gateway
- [Spring Cloud Gateway Routing Predicate Factories](https://www.baeldung.com/spring-cloud-gateway-routing-predicate-factories)
- [Spring Cloud Gateway WebFilter Factories](https://www.baeldung.com/spring-cloud-gateway-webfilter-factories)
- [Using Spring Cloud Gateway with OAuth 2.0 Patterns](https://www.baeldung.com/spring-cloud-gateway-oauth2)
- [URL Rewriting With Spring Cloud Gateway](https://www.baeldung.com/spring-cloud-gateway-url-rewriting)

32
spring-security-modules/spring-5-security-oauth/src/main/java/com/baeldung/oauth2resttemplate/AppController.java Normal file
View File

@ -0,0 +1,32 @@
package com.baeldung.oauth2resttemplate;
import org.springframework.security.oauth2.client.OAuth2RestTemplate;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import java.security.Principal;
import java.util.Collection;
@Controller
public class AppController {
OAuth2RestTemplate restTemplate;
public AppController(OAuth2RestTemplate restTemplate) {
this.restTemplate = restTemplate;
}
@GetMapping("/home")
public String welcome(Model model, Principal principal) {
model.addAttribute("name", principal.getName());
return "home";
}
@GetMapping("/repos")
public String repos(Model model) {
Collection<GithubRepo> repos = restTemplate.getForObject("https://api.github.com/user/repos", Collection.class);
model.addAttribute("repos", repos);
return "repositories";
}
}

22
spring-security-modules/spring-5-security-oauth/src/main/java/com/baeldung/oauth2resttemplate/GithubRepo.java Normal file
View File

@ -0,0 +1,22 @@
package com.baeldung.oauth2resttemplate;
public class GithubRepo {
Long id;
String name;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}

73
spring-security-modules/spring-5-security-oauth/src/main/java/com/baeldung/oauth2resttemplate/SecurityConfig.java Normal file
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@ -0,0 +1,73 @@
package com.baeldung.oauth2resttemplate;
import org.springframework.boot.autoconfigure.security.oauth2.resource.ResourceServerProperties;
import org.springframework.boot.autoconfigure.security.oauth2.resource.UserInfoTokenServices;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.Ordered;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.oauth2.client.OAuth2ClientContext;
import org.springframework.security.oauth2.client.OAuth2RestTemplate;
import org.springframework.security.oauth2.client.filter.OAuth2ClientAuthenticationProcessingFilter;
import org.springframework.security.oauth2.client.filter.OAuth2ClientContextFilter;
import org.springframework.security.oauth2.client.token.grant.code.AuthorizationCodeResourceDetails;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableOAuth2Client;
import org.springframework.security.web.authentication.www.BasicAuthenticationFilter;
import javax.servlet.Filter;
@Configuration
@EnableOAuth2Client
public class SecurityConfig extends WebSecurityConfigurerAdapter {
OAuth2ClientContext oauth2ClientContext;
public SecurityConfig(OAuth2ClientContext oauth2ClientContext) {
this.oauth2ClientContext = oauth2ClientContext;
}
@Override
protected void configure(HttpSecurity http) throws Exception {
http.authorizeRequests().antMatchers("/", "/login**", "/error**")
.permitAll().anyRequest().authenticated()
.and().logout().logoutUrl("/logout").logoutSuccessUrl("/")
.and().addFilterBefore(oauth2ClientFilter(), BasicAuthenticationFilter.class);
}
@Bean
public FilterRegistrationBean<OAuth2ClientContextFilter> oauth2ClientFilterRegistration(OAuth2ClientContextFilter filter) {
FilterRegistrationBean<OAuth2ClientContextFilter> registration = new FilterRegistrationBean<>();
registration.setFilter(filter);
registration.setOrder(Ordered.HIGHEST_PRECEDENCE + 1);
return registration;
}
@Bean
public OAuth2RestTemplate restTemplate() {
return new OAuth2RestTemplate(githubClient(), oauth2ClientContext);
}
@Bean
@ConfigurationProperties("github.client")
public AuthorizationCodeResourceDetails githubClient() {
return new AuthorizationCodeResourceDetails();
}
private Filter oauth2ClientFilter() {
OAuth2ClientAuthenticationProcessingFilter oauth2ClientFilter = new OAuth2ClientAuthenticationProcessingFilter("/login/github");
OAuth2RestTemplate restTemplate = restTemplate();
oauth2ClientFilter.setRestTemplate(restTemplate);
UserInfoTokenServices tokenServices = new UserInfoTokenServices(githubResource().getUserInfoUri(), githubClient().getClientId());
tokenServices.setRestTemplate(restTemplate);
oauth2ClientFilter.setTokenServices(tokenServices);
return oauth2ClientFilter;
}
@Bean
@ConfigurationProperties("github.resource")
public ResourceServerProperties githubResource() {
return new ResourceServerProperties();
}
}

15
spring-security-modules/spring-5-security-oauth/src/main/java/com/baeldung/oauth2resttemplate/SpringSecurityOauth2ClientApplication.java Normal file
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@ -0,0 +1,15 @@
package com.baeldung.oauth2resttemplate;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.PropertySource;
@SpringBootApplication
@PropertySource("classpath:application-oauth2-rest-template.properties")
public class SpringSecurityOauth2ClientApplication {
public static void main(String[] args) {
SpringApplication.run(SpringSecurityOauth2ClientApplication.class, args);
}
}

9
spring-security-modules/spring-5-security-oauth/src/main/resources/application-oauth2-rest-template.properties Normal file
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@ -0,0 +1,9 @@
github.client.clientId=[CLIENT_ID]
github.client.clientSecret=[CLIENT_SECRET]
github.client.userAuthorizationUri=https://github.com/login/oauth/authorize
github.client.accessTokenUri=https://github.com/login/oauth/access_token
github.client.clientAuthenticationScheme=form
github.resource.userInfoUri=https://api.github.com/user
spring.thymeleaf.prefix=classpath:/templates/oauth2resttemplate/

9
spring-security-modules/spring-5-security-oauth/src/main/resources/templates/oauth2resttemplate/error.html Normal file
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@ -0,0 +1,9 @@
<!DOCTYPE html>
<html lang="en">
<head>
<title>Error</title>
</head>
<body>
<p>An error occurred.</p>
</body>
</html>

18
spring-security-modules/spring-5-security-oauth/src/main/resources/templates/oauth2resttemplate/home.html Normal file
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@ -0,0 +1,18 @@
<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org">
<head>
<title>Home</title>
</head>
<body>
<p>
Welcome <b th:inline="text"> [[${name}]] </b>
</p>
<h3>
<a href="/repos">View Repositories</a><br/><br/>
</h3>
<form th:action="@{/logout}" method="POST">
<input type="submit" value="Logout"/>
</form>
</body>
</html>

16
spring-security-modules/spring-5-security-oauth/src/main/resources/templates/oauth2resttemplate/index.html Normal file
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@ -0,0 +1,16 @@
<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org">
<head>
<title>OAuth2Client</title>
</head>
<body>
<h3>
<a href="/home" th:href="@{/home}" th:if="${#httpServletRequest?.remoteUser != undefined }">
Go to Home
</a>
<a href="/login/github" th:href="@{/login/github}" th:if="${#httpServletRequest?.remoteUser == undefined }">
GitHub Login
</a>
</h3>
</body>
</html>

14
spring-security-modules/spring-5-security-oauth/src/main/resources/templates/oauth2resttemplate/repositories.html Normal file
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@ -0,0 +1,14 @@
<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org">
<head>
<title>Repositories</title>
</head>
<body>
<p>
<h2>Repos</h2>
</p>
<ul th:each="repo: ${repos}">
<li th:text="${repo.name}"></li>
</ul>
</body>
</html>

1
spring-security-modules/spring-security-web-boot-3/README.md
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@ -12,4 +12,5 @@ The "REST With Spring" Classes: http://github.learnspringsecurity.com
- [Spring Security – Cache Control Headers](https://www.baeldung.com/spring-security-cache-control-headers)
- [Fixing 401s with CORS Preflights and Spring Security](https://www.baeldung.com/spring-security-cors-preflight)
- [Content Security Policy with Spring Security](https://www.baeldung.com/spring-security-csp)
- [Enable Logging for Spring Security](https://www.baeldung.com/spring-security-enable-logging)
- More articles: [[<-- prev]](/spring-security-modules/spring-security-web-boot-2)

2
spring-sleuth/pom.xml
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@ -39,7 +39,7 @@
</dependencies>
<properties>
<spring-cloud-sleuth.version>2.0.2.RELEASE</spring-cloud-sleuth.version>
<spring-cloud-sleuth.version>3.1.0</spring-cloud-sleuth.version>
</properties>
</project>

11
spring-sleuth/src/main/java/com/baeldung/sleuth/traceid/SleuthCurrentTraceIdApp.java Normal file
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@ -0,0 +1,11 @@
package com.baeldung.sleuth.traceid;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class SleuthCurrentTraceIdApp {
public static void main(String[] args) {
SpringApplication.run(SleuthCurrentTraceIdApp.class, args);
}
}

32
spring-sleuth/src/main/java/com/baeldung/sleuth/traceid/SleuthTraceIdController.java Normal file
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@ -0,0 +1,32 @@
package com.baeldung.sleuth.traceid;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import brave.Span;
import brave.Tracer;
@RestController
public class SleuthTraceIdController {
private static final Logger logger = LoggerFactory.getLogger(SleuthTraceIdController.class);
@Autowired
private Tracer tracer;
@GetMapping("/traceid")
public String getSleuthTraceId() {
logger.info("Hello with Sleuth");
Span span = tracer.currentSpan();
if (span != null) {
logger.info("Span ID hex {}", span.context().spanIdString());
logger.info("Span ID decimal {}", span.context().spanId());
logger.info("Trace ID hex {}", span.context().traceIdString());
logger.info("Trace ID decimal {}", span.context().traceId());
}
return "Hello from Sleuth";
}
}