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java-tutorials
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Merge branch 'master' into JAVA-3576

This commit is contained in:
freelansam 2021-04-10 16:21:13 +05:30 committed by GitHub
parent 7cbf13db95 b3aa99e017
commit 60b6c6e6b6
104 changed files with 1789 additions and 283 deletions
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12
algorithms-genetic/pom.xml
View File

@ -44,18 +44,6 @@
</dependency>
</dependencies>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
</plugin>
</plugins>
</pluginManagement>
</build>
<properties>
<commons-math3.version>3.6.1</commons-math3.version>
<io.jenetics.version>3.7.0</io.jenetics.version>

12
algorithms-miscellaneous-1/pom.xml
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@ -49,18 +49,6 @@
</dependency>
</dependencies>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
</plugin>
</plugins>
</pluginManagement>
</build>
<reporting>
<plugins>
<plugin>

12
algorithms-miscellaneous-2/pom.xml
View File

@ -54,18 +54,6 @@
</dependency>
</dependencies>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
</plugin>
</plugins>
</pluginManagement>
</build>
<reporting>
<plugins>
<plugin>

12
algorithms-miscellaneous-3/pom.xml
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@ -74,18 +74,6 @@
</dependency>
</dependencies>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
</plugin>
</plugins>
</pluginManagement>
</build>
<properties>
<org.assertj.core.version>3.9.0</org.assertj.core.version>
<commons-collections4.version>4.3</commons-collections4.version>

12
algorithms-miscellaneous-4/pom.xml
View File

@ -34,18 +34,6 @@
</dependency>
</dependencies>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
</plugin>
</plugins>
</pluginManagement>
</build>
<properties>
<org.assertj.core.version>3.9.0</org.assertj.core.version>
<guava.version>27.0.1-jre</guava.version>

12
algorithms-miscellaneous-5/pom.xml
View File

@ -49,18 +49,6 @@
</dependency>
</dependencies>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
</plugin>
</plugins>
</pluginManagement>
</build>
<properties>
<tradukisto.version>1.0.1</tradukisto.version>
<org.assertj.core.version>3.9.0</org.assertj.core.version>

12
algorithms-sorting-2/pom.xml
View File

@ -44,18 +44,6 @@
</dependency>
</dependencies>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
</plugin>
</plugins>
</pluginManagement>
</build>
<properties>
<commons-math3.version>3.6.1</commons-math3.version>
<org.assertj.core.version>3.9.0</org.assertj.core.version>

12
algorithms-sorting/pom.xml
View File

@ -45,18 +45,6 @@
</dependency>
</dependencies>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
</plugin>
</plugins>
</pluginManagement>
</build>
<properties>
<commons-math3.version>3.6.1</commons-math3.version>
<org.assertj.core.version>3.9.0</org.assertj.core.version>

1
apache-cxf/pom.xml
View File

@ -30,7 +30,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
</plugin>
</plugins>
</pluginManagement>

3
core-java-modules/core-java-console/pom.xml
View File

@ -45,7 +45,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
<configuration>
<executable>java</executable>
<mainClass>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</mainClass>
@ -105,7 +104,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
<executions>
<execution>
<id>run-benchmarks</id>
@ -134,7 +132,6 @@
<properties>
<maven-javadoc-plugin.version>3.0.0-M1</maven-javadoc-plugin.version>
<exec-maven-plugin.version>1.6.0</exec-maven-plugin.version>
<source.version>1.8</source.version>
<target.version>1.8</target.version>
</properties>

2
core-java-modules/core-java-io/pom.xml
View File

@ -60,7 +60,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
<configuration>
<executable>java</executable>
<mainClass>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</mainClass>
@ -108,7 +107,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<executions>
<execution>
<id>run-benchmarks</id>

3
core-java-modules/core-java-jar/pom.xml
View File

@ -189,7 +189,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
<configuration>
<executable>java</executable>
<mainClass>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</mainClass>
@ -249,7 +248,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
<executions>
<execution>
<id>run-benchmarks</id>
@ -397,7 +395,6 @@
<onejar-maven-plugin.version>1.4.4</onejar-maven-plugin.version>
<maven-shade-plugin.version>3.1.1</maven-shade-plugin.version>
<spring-boot-maven-plugin.version>2.0.3.RELEASE</spring-boot-maven-plugin.version>
<exec-maven-plugin.version>1.6.0</exec-maven-plugin.version>
<source.version>1.8</source.version>
<target.version>1.8</target.version>
</properties>

12
core-java-modules/core-java-lang-math-2/pom.xml
View File

@ -62,18 +62,6 @@
</dependency>
</dependencies>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
</plugin>
</plugins>
</pluginManagement>
</build>
<properties>
<commons-math3.version>3.6.1</commons-math3.version>
<org.assertj.core.version>3.9.0</org.assertj.core.version>

1
core-java-modules/core-java-lang-oop-types/README.md
View File

@ -13,3 +13,4 @@ This module contains articles about types in Java
- [A Guide to Java Enums](https://www.baeldung.com/a-guide-to-java-enums)
- [Determine if an Object is of Primitive Type](https://www.baeldung.com/java-object-primitive-type)
- [Extending Enums in Java](https://www.baeldung.com/java-extending-enums)
- [Java Class File Naming Conventions](https://www.baeldung.com/java-class-file-naming)

1
core-java-modules/core-java-networking-2/README.md
View File

@ -14,5 +14,4 @@ This module contains articles about networking in Java
- [Handling java.net.ConnectException](https://www.baeldung.com/java-net-connectexception)
- [Getting MAC addresses in Java](https://www.baeldung.com/java-mac-address)
- [Sending Emails with Attachments in Java](https://www.baeldung.com/java-send-emails-attachments)
- [Finding a Free Port in Java](https://www.baeldung.com/java-free-port)
- [[<-- Prev]](/core-java-modules/core-java-networking)

2
core-java-modules/core-java-networking-3/README.md
View File

@ -4,5 +4,5 @@ This module contains articles about networking in Java
### Relevant Articles
- TODO: add link once live
- [Finding a Free Port in Java](https://www.baeldung.com/java-free-port)
- [[<-- Prev]](/core-java-modules/core-java-networking-2)

92
core-java-modules/core-java-security-2/src/test/java/com/baeldung/rsa/RsaUnitTest.java Normal file
View File

@ -0,0 +1,92 @@
package com.baeldung.cipher;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import javax.crypto.Cipher;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.PrivateKey;
import java.security.PublicKey;
public class RsaUnitTest {
@Test
public void givenRsaKeyPair_whenEncryptAndDecryptString_thenCompareResults() throws Exception {
KeyPairGenerator generator = KeyPairGenerator.getInstance("RSA");
generator.initialize(2048);
KeyPair pair = generator.generateKeyPair();
PrivateKey privateKey = pair.getPrivate();
PublicKey publicKey = pair.getPublic();
String secretMessage = "Baeldung secret message";
Cipher encryptCipher = Cipher.getInstance("RSA");
encryptCipher.init(Cipher.ENCRYPT_MODE, publicKey);
byte[] secretMessageBytes = secretMessage.getBytes(StandardCharsets.UTF_8);
byte[] encryptedMessageBytes = encryptCipher.doFinal(secretMessageBytes);
Cipher decryptCipher = Cipher.getInstance("RSA");
decryptCipher.init(Cipher.DECRYPT_MODE, privateKey);
byte[] decryptedMessageBytes = decryptCipher.doFinal(encryptedMessageBytes);
String decryptedMessage = new String(decryptedMessageBytes, StandardCharsets.UTF_8);
Assertions.assertEquals(secretMessage, decryptedMessage);
}
@Test
public void givenRsaKeyPair_whenEncryptAndDecryptFile_thenCompareResults() throws Exception {
KeyPairGenerator generator = KeyPairGenerator.getInstance("RSA");
generator.initialize(2048);
KeyPair pair = generator.generateKeyPair();
PrivateKey privateKey = pair.getPrivate();
PublicKey publicKey = pair.getPublic();
String originalContent = "some secret message";
Path tempFile = Files.createTempFile("temp", "txt");
writeString(tempFile, originalContent);
byte[] fileBytes = Files.readAllBytes(tempFile);
Cipher encryptCipher = Cipher.getInstance("RSA");
encryptCipher.init(Cipher.ENCRYPT_MODE, publicKey);
byte[] encryptedFileBytes = encryptCipher.doFinal(fileBytes);
try (FileOutputStream stream = new FileOutputStream(tempFile.toFile())) {
stream.write(encryptedFileBytes);
}
encryptedFileBytes = Files.readAllBytes(tempFile);
Cipher decryptCipher = Cipher.getInstance("RSA");
decryptCipher.init(Cipher.DECRYPT_MODE, privateKey);
byte[] decryptedFileBytes = decryptCipher.doFinal(encryptedFileBytes);
try (FileOutputStream stream = new FileOutputStream(tempFile.toFile())) {
stream.write(decryptedFileBytes);
}
String fileContent = readString(tempFile);
Assertions.assertEquals(originalContent, fileContent);
}
private void writeString(Path path, String content) throws Exception {
try (BufferedWriter writer = Files.newBufferedWriter(path)) {
writer.write(content);
}
}
private String readString(Path path) throws Exception {
StringBuilder resultStringBuilder = new StringBuilder();
try (BufferedReader br = new BufferedReader(new FileReader(path.toFile()))) {
String line;
while ((line = br.readLine()) != null) {
resultStringBuilder.append(line);
}
}
return resultStringBuilder.toString();
}
}

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

@ -10,4 +10,5 @@ This module contains articles about the Stream API in Java.
- [Debugging Java 8 Streams with IntelliJ](https://www.baeldung.com/intellij-debugging-java-streams)
- [Add BigDecimals using the Stream API](https://www.baeldung.com/java-stream-add-bigdecimals)
- [Should We Close a Java Stream?](https://www.baeldung.com/java-stream-close)
- [Returning Stream vs. Collection](https://www.baeldung.com/java-return-stream-collection)
- More articles: [[<-- prev>]](/../core-java-streams-2)

2
core-java-modules/core-java-sun/pom.xml
View File

@ -44,7 +44,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
<configuration>
<executable>java</executable>
<mainClass>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</mainClass>
@ -68,7 +67,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<executions>
<execution>
<id>run-benchmarks</id>

3
core-java-modules/core-java/pom.xml
View File

@ -94,7 +94,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
<configuration>
<executable>java</executable>
<mainClass>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</mainClass>
@ -154,7 +153,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
<executions>
<execution>
<id>run-benchmarks</id>
@ -193,7 +191,6 @@
<javamoney.moneta.version>1.1</javamoney.moneta.version>
<maven-javadoc-plugin.version>3.0.0-M1</maven-javadoc-plugin.version>
<exec-maven-plugin.version>1.6.0</exec-maven-plugin.version>
<source.version>1.8</source.version>
<target.version>1.8</target.version>
</properties>

1
core-java-modules/pom.xml
View File

@ -100,6 +100,7 @@
<module>core-java-networking</module>
<module>core-java-networking-2</module>
<module>core-java-networking-3</module>
<module>core-java-nio</module>
<module>core-java-nio-2</module>

1
data-structures/pom.xml
View File

@ -35,7 +35,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
</plugin>
</plugins>
</pluginManagement>

19
discord4j/pom.xml
View File

@ -2,21 +2,18 @@
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.3.5.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.baeldung</groupId>
<artifactId>discord4j</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>discord4j</name>
<description>Demo Discord bot using Discord4J + Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-boot-2</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../parent-boot-2</relativePath>
</parent>
<dependencies>
<dependency>
@ -68,4 +65,8 @@
</plugins>
</build>
<properties>
<java.version>1.8</java.version>
</properties>
</project>

19
docker/docker-spring-boot-postgres/pom.xml
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@ -2,21 +2,18 @@
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.4.0</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.baeldung.docker</groupId>
<artifactId>docker-spring-boot-postgres</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>docker-spring-boot-postgres</name>
<description>Demo project showing Spring Boot, PostgreSQL, and Docker</description>
<properties>
<java.version>11</java.version>
</properties>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-boot-2</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-boot-2</relativePath>
</parent>
<dependencies>
<dependency>
@ -45,4 +42,8 @@
</plugins>
</build>
<properties>
<java.version>11</java.version>
</properties>
</project>

14
docker/pom.xml
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@ -4,13 +4,6 @@
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>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.3.1.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<groupId>com.baeldung.docker</groupId>
<artifactId>docker</artifactId>
<version>0.0.1</version>
@ -18,6 +11,13 @@
<description>Demo project showing Spring Boot and Docker</description>
<packaging>pom</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-boot-2</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../parent-boot-2</relativePath>
</parent>
<properties>
<java.version>11</java.version>
</properties>

2
libraries-3/pom.xml
View File

@ -189,7 +189,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
<executions>
<execution>
<id>start-server</id>
@ -229,7 +228,6 @@
<httpcore.version>4.4.13</httpcore.version>
<httpclient.version>4.5.12</httpclient.version>
<velocity-engine-core.version>2.2</velocity-engine-core.version>
<exec-maven-plugin.version>1.6.0</exec-maven-plugin.version>
<nullaway.version>0.3.0</nullaway.version>
<plexus-compiler.version>2.8</plexus-compiler.version>
<errorprone.version>2.1.3</errorprone.version>

1
libraries-concurrency/pom.xml
View File

@ -47,7 +47,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.6.0</version>
<configuration>
<mainClass>com.baeldung.quasar.App</mainClass>
<workingDirectory>target/classes</workingDirectory>

2
logging-modules/pom.xml
View File

@ -14,11 +14,11 @@
</parent>
<modules>
<module>flogger</module>
<module>log4j</module>
<module>log4j2</module>
<module>logback</module>
<module>log-mdc</module>
<module>flogger</module>
</modules>
<properties>

9
maven-modules/pom.xml
View File

@ -20,14 +20,15 @@
<module>maven-integration-test</module>
<module>maven-multi-source</module>
<module>maven-plugins</module>
<module>maven-unused-dependencies</module>
<module>maven-war-plugin</module>
<module>maven-profiles</module>
<module>maven-properties</module>
<module>versions-maven-plugin</module>
<module>version-collision</module>
<!-- <module>maven-proxy</module> --> <!-- Not a maven project -->
<module>maven-unused-dependencies</module>
<module>maven-war-plugin</module>
<module>optional-dependencies</module>
<module>version-collision</module>
<module>version-overriding-plugins</module>
<module>versions-maven-plugin</module>
</modules>
</project>

2
micronaut/pom.xml
View File

@ -102,7 +102,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec.plugin.version}</version>
<configuration>
<executable>java</executable>
<arguments>
@ -146,7 +145,6 @@
<lombok.version>1.2.3</lombok.version>
<reactor.version>3.1.6.RELEASE</reactor.version>
<compiler.plugin.version>3.7.0</compiler.plugin.version>
<exec.plugin.version>1.6.0</exec.plugin.version>
<shade.plugin.version>3.1.0</shade.plugin.version>
</properties>

1
persistence-modules/core-java-persistence-2/README.md
View File

@ -2,3 +2,4 @@
- [Getting Database URL From JDBC Connection Object](https://www.baeldung.com/jdbc-get-url-from-connection)
- [JDBC URL Format For Different Databases](https://www.baeldung.com/java-jdbc-url-format)
- [How to Check if a Database Table Exists with JDBC](https://www.baeldung.com/jdbc-check-table-exists)

103
persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/lazycollection/model/Branch.java Normal file
View File

@ -0,0 +1,103 @@
package com.baeldung.hibernate.lazycollection.model;
import org.hibernate.annotations.LazyCollection;
import org.hibernate.annotations.LazyCollectionOption;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OrderColumn;
import javax.persistence.OneToMany;
import javax.persistence.Entity;
import java.util.ArrayList;
import java.util.List;
@Entity
public class Branch {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
private String name;
public Branch() {
}
public Branch(String name) {
this.name = name;
}
@OneToMany(mappedBy = "mainBranch")
@LazyCollection(LazyCollectionOption.TRUE)
private List<Employee> mainEmployees;
@OneToMany(mappedBy = "subBranch")
@LazyCollection(LazyCollectionOption.FALSE)
private List<Employee> subEmployees;
@OneToMany(mappedBy = "additionalBranch")
@LazyCollection(LazyCollectionOption.EXTRA)
@OrderColumn(name = "order_id")
private List<Employee> additionalEmployees;
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;
}
public List<Employee> getMainEmployees() {
return mainEmployees;
}
public void setMainEmployees(List<Employee> mainEmployees) {
this.mainEmployees = mainEmployees;
}
public List<Employee> getSubEmployees() {
return subEmployees;
}
public void setSubEmployees(List<Employee> subEmployees) {
this.subEmployees = subEmployees;
}
public List<Employee> getAdditionalEmployees() {
return additionalEmployees;
}
public void setAdditionalEmployees(List<Employee> additionalEmployees) {
this.additionalEmployees = additionalEmployees;
}
public void addMainEmployee(Employee employee) {
if (this.mainEmployees == null) {
this.mainEmployees = new ArrayList<>();
}
this.mainEmployees.add(employee);
}
public void addSubEmployee(Employee employee) {
if (this.subEmployees == null) {
this.subEmployees = new ArrayList<>();
}
this.subEmployees.add(employee);
}
public void addAdditionalEmployee(Employee employee) {
if (this.additionalEmployees == null) {
this.additionalEmployees = new ArrayList<>();
}
this.additionalEmployees.add(employee);
}
}

88
persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/lazycollection/model/Employee.java Normal file
View File

@ -0,0 +1,88 @@
package com.baeldung.hibernate.lazycollection.model;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OrderColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Entity;
@Entity
public class Employee {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
private String name;
private String address;
public Employee() {
}
public Employee(String name, Branch mainBranch, Branch subBranch, Branch additionalBranch) {
this.name = name;
this.mainBranch = mainBranch;
this.subBranch = subBranch;
this.additionalBranch = additionalBranch;
}
@ManyToOne
private Branch mainBranch;
@ManyToOne
private Branch subBranch;
@ManyToOne
private Branch additionalBranch;
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;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public Branch getMainBranch() {
return mainBranch;
}
public void setMainBranch(Branch mainBranch) {
this.mainBranch = mainBranch;
}
public Branch getSubBranch() {
return subBranch;
}
public void setSubBranch(Branch subBranch) {
this.subBranch = subBranch;
}
public Branch getAdditionalBranch() {
return additionalBranch;
}
public void setAdditionalBranch(Branch additionalBranch) {
this.additionalBranch = additionalBranch;
}
}

110
persistence-modules/hibernate-annotations/src/test/java/com/baeldung/hibernate/lazycollection/LazyCollectionIntegrationTest.java Normal file
View File

@ -0,0 +1,110 @@
package com.baeldung.hibernate.lazycollection;
import com.baeldung.hibernate.lazycollection.model.Branch;
import com.baeldung.hibernate.lazycollection.model.Employee;
import org.hibernate.Hibernate;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;
import org.hibernate.dialect.H2Dialect;
import org.hibernate.service.ServiceRegistry;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import javax.annotation.PostConstruct;
public class LazyCollectionIntegrationTest {
private static SessionFactory sessionFactory;
private Session session;
Branch branch;
@BeforeClass
public static void beforeTests() {
Configuration configuration = new Configuration().addAnnotatedClass(Branch.class)
.addAnnotatedClass(Employee.class).setProperty("hibernate.dialect", H2Dialect.class.getName())
.setProperty("hibernate.connection.driver_class", org.h2.Driver.class.getName())
.setProperty("hibernate.connection.url", "jdbc:h2:mem:test")
.setProperty("hibernate.connection.username", "sa").setProperty("hibernate.connection.password", "")
.setProperty("hibernate.hbm2ddl.auto", "update");
ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder()
.applySettings(configuration.getProperties()).build();
sessionFactory = configuration.buildSessionFactory(serviceRegistry);
}
@Before
public void setUp() {
session = sessionFactory.openSession();
session.beginTransaction();
branch = new Branch("Main Branch");
session.save(branch);
Employee mainEmployee1 = new Employee("main employee 1", branch, null, null);
Employee mainEmployee2 = new Employee("main employee 2", branch, null, null);
Employee mainEmployee3 = new Employee("main employee 3", branch, null, null);
session.save(mainEmployee1);
session.save(mainEmployee2);
session.save(mainEmployee3);
Employee subEmployee1 = new Employee("sub employee 1", null, branch, null);
Employee subEmployee2 = new Employee("sub employee 2", null, branch, null);
Employee subEmployee3 = new Employee("sub employee 3", null, branch, null);
session.save(subEmployee1);
session.save(subEmployee2);
session.save(subEmployee3);
Employee additionalEmployee1 = new Employee("additional employee 1", null, null, branch);
Employee additionalEmployee2 = new Employee("additional employee 2", null, null, branch);
Employee additionalEmployee3 = new Employee("additional employee 3", null, null, branch);
session.save(additionalEmployee1);
session.save(additionalEmployee2);
session.save(additionalEmployee3);
session.flush();
session.refresh(branch);
session.getTransaction().commit();
session.close();
}
@Test
public void testLazyFetching() {
Assert.assertFalse(Hibernate.isInitialized(branch.getMainEmployees()));
}
@Test
public void testEagerFetching() {
Assert.assertTrue(Hibernate.isInitialized(branch.getSubEmployees()));
}
@Test
public void testExtraFetching() {
Assert.assertFalse(Hibernate.isInitialized(branch.getAdditionalEmployees()));
}
@After
public void tearDown() {
session.getTransaction().commit();
session.close();
}
@AfterClass
public static void afterTests() {
sessionFactory.close();
}
}

13
persistence-modules/java-jpa-3/src/main/java/com/baeldung/ignorable/fields/HibernateConfig.java
View File

@ -9,6 +9,7 @@ import org.hibernate.cfg.Environment;
import org.hibernate.service.ServiceRegistry;
public class HibernateConfig {
private static SessionFactory sessionFactory;
public static SessionFactory getSessionFactory() {
@ -16,12 +17,12 @@ public class HibernateConfig {
Configuration configuration = new Configuration();
Properties settings = new Properties();
settings.put(Environment.DRIVER, "com.mysql.cj.jdbc.Driver");
settings.put(Environment.URL, "jdbc:mysql://localhost:3306/app_db?useSSL=false");
settings.put(Environment.USER, "root");
settings.put(Environment.PASS, "password");
settings.put(Environment.DIALECT, "org.hibernate.dialect.MySQL5Dialect");
settings.put(Environment.CURRENT_SESSION_CONTEXT_CLASS, "thread");
settings.put(Environment.DRIVER, "org.h2.Driver");
settings.put(Environment.URL, "jdbc:h2:mem:test");
settings.put(Environment.USER, "sa");
settings.put(Environment.PASS, "");
settings.put(Environment.DIALECT, "org.hibernate.dialect.H2Dialect");
settings.put(Environment.HBM2DDL_AUTO, "create-drop");
configuration.setProperties(settings);
configuration.addAnnotatedClass(User.class);

46
persistence-modules/java-jpa-3/src/test/java/com/baeldung/ignorable/fields/TransientFieldUnitTest.java
View File

@ -1,18 +1,24 @@
package com.baeldung.ignorable.fields;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
import java.io.*;
import java.util.List;
import java.util.Random;
import org.junit.Test;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.MapperFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.datatype.hibernate5.Hibernate5Module;
import org.junit.Test;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.List;
import java.util.Random;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
public class TransientFieldUnitTest {
@ -34,18 +40,20 @@ public class TransientFieldUnitTest {
@Test
public void givenFieldWithTransientAnnotation_whenSerializingObject_thenFieldSerialized() throws IOException, ClassNotFoundException {
FileOutputStream fout = new FileOutputStream("test.obj");
ObjectOutputStream out = new ObjectOutputStream(fout);
out.writeObject(user);
out.flush();
out.close();
try (FileOutputStream fout = new FileOutputStream("test.obj")) {
ObjectOutputStream out = new ObjectOutputStream(fout);
out.writeObject(user);
out.flush();
}
FileInputStream fin = new FileInputStream("test.obj");
ObjectInputStream in = new ObjectInputStream(fin);
User savedUser = (User) in.readObject();
in.close();
try (FileInputStream fin = new FileInputStream("test.obj")) {
ObjectInputStream in = new ObjectInputStream(fin);
User savedUser = (User) in.readObject();
assertEquals(user.getCurrentDevice(), savedUser.getCurrentDevice());
assertEquals(user.getCurrentDevice(), savedUser.getCurrentDevice());
}
Files.deleteIfExists(Paths.get("test.obj"));
}
@Test

1
persistence-modules/jnosql/jnosql-diana/pom.xml
View File

@ -55,7 +55,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
<executions>
<execution>
<id>document</id>

1
persistence-modules/pom.xml
View File

@ -38,6 +38,7 @@
<module>java-jdbi</module>
<module>java-jpa</module> <!-- long running -->
<module>java-jpa-2</module> <!-- long running -->
<module>java-jpa-3</module>
<module>java-mongodb</module> <!-- long running -->
<module>jnosql</module> <!-- long running -->
<module>jooq</module>

13
persistence-modules/spring-data-jpa-filtering/src/main/resources/logback.xml Normal file
View File

@ -0,0 +1,13 @@
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
</pattern>
</encoder>
</appender>
<root level="INFO">
<appender-ref ref="STDOUT" />
</root>
</configuration>

5
persistence-modules/spring-data-jpa-filtering/src/test/java/com/baeldung/projection/JpaProjectionIntegrationTest.java
View File

@ -6,18 +6,15 @@ import com.baeldung.projection.repository.PersonRepository;
import com.baeldung.projection.view.AddressView;
import com.baeldung.projection.view.PersonDto;
import com.baeldung.projection.view.PersonView;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
import org.springframework.test.context.jdbc.Sql;
import org.springframework.test.context.junit4.SpringRunner;
import static org.assertj.core.api.Assertions.assertThat;
import static org.springframework.test.context.jdbc.Sql.ExecutionPhase.AFTER_TEST_METHOD;
@DataJpaTest
@RunWith(SpringRunner.class)
@Sql(scripts = "/projection-insert-data.sql")
@Sql(scripts = "/projection-clean-up-data.sql", executionPhase = AFTER_TEST_METHOD)
public class JpaProjectionIntegrationTest {

1
persistence-modules/spring-jooq/README.md
View File

@ -5,6 +5,7 @@ This module contains articles about Spring with jOOQ
### Relevant Articles:
- [Spring Boot Support for jOOQ](https://www.baeldung.com/spring-boot-support-for-jooq)
- [Introduction to jOOQ with Spring](https://www.baeldung.com/jooq-with-spring)
- [Count Query In jOOQ](https://www.baeldung.com/jooq-count-query)
In order to fix the error "Plugin execution not covered by lifecycle configuration: org.jooq:jooq-codegen-maven:3.7.3:generate (execution: default, phase: generate-sources)", right-click on the error message and choose "Mark goal generated as ignore in pom.xml". Until version 1.4.x, the maven-plugin-plugin was covered by the default lifecycle mapping that ships with m2e.

17
pom.xml
View File

@ -412,6 +412,7 @@
<module>google-web-toolkit</module>
<!-- <module>gradle</module> --> <!-- Not a maven project -->
<!-- <module>gradle-5</module> --> <!-- Not a maven project -->
<!-- <module>gradle-6</module> --> <!-- Not a maven project -->
<!-- <module>grails</module> --> <!-- Not a maven project -->
<module>graphql/graphql-java</module>
<module>grpc</module>
@ -614,11 +615,12 @@
<module>spring-aop</module>
<module>spring-apache-camel</module>
<module>spring-batch</module>
<module>spring-batch-2</module>
<module>spring-batch</module>
<module>spring-batch-2</module>
<module>spring-bom</module>
<module>spring-boot-modules</module>
<module>spring-boot-rest</module>
<module>spring-boot-rest-2</module>
<module>spring-caching</module>
@ -875,6 +877,7 @@
<module>google-web-toolkit</module>
<!-- <module>gradle</module> --> <!-- Not a maven project -->
<!-- <module>gradle-5</module> --> <!-- Not a maven project -->
<!-- <module>gradle-6</module> --> <!-- Not a maven project -->
<!-- <module>grails</module> --> <!-- Not a maven project -->
<module>graphql/graphql-java</module>
<module>grpc</module>
@ -930,6 +933,7 @@
<module>jooby</module>
<module>jsf</module>
<module>json</module>
<module>json-2</module>
<module>json-path</module>
<module>jsoup</module>
<module>jta</module>
@ -1068,9 +1072,11 @@
<module>spring-apache-camel</module>
<module>spring-batch</module>
<module>spring-batch-2</module>
<module>spring-bom</module>
<module>spring-boot-modules</module>
<module>spring-boot-rest</module>
<module>spring-boot-rest-2</module>
<module>spring-caching</module>
@ -1089,6 +1095,7 @@
<module>spring-data-rest</module>
<module>spring-data-rest-querydsl</module>
<module>spring-di</module>
<module>spring-di-2</module>
<module>spring-drools</module>
<module>spring-ejb</module>
@ -1273,7 +1280,7 @@
<!-- <module>core-java-modules/core-java-9-new-features</module> --> <!-- uses preview features, to be decided how to handle -->
<module>core-java-modules/core-java-9-streams</module>
<module>core-java-modules/core-java-10</module>
<module>core-java-modules/core-java-11</module>
<module>core-java-modules/core-java-11-2</module>
<!-- <module>core-java-modules/core-java-12</module> --> <!-- uses preview features, to be decided how to handle -->
<!-- <module>core-java-modules/core-java-13</module> --> <!-- uses preview features, to be decided how to handle -->
<!-- <module>core-java-modules/core-java-14</module> --> <!-- uses preview features, to be decided how to handle -->
@ -1318,6 +1325,7 @@
<module>core-java-modules/core-java-9-streams</module>
<module>core-java-modules/core-java-10</module>
<module>core-java-modules/core-java-11</module>
<module>core-java-modules/core-java-11-2</module>
<!-- <module>core-java-modules/core-java-12</module> --> <!-- uses preview features, to be decided how to handle -->
<!-- <module>core-java-modules/core-java-13</module> --> <!-- uses preview features, to be decided how to handle -->
<!-- <module>core-java-modules/core-java-14</module> --> <!-- uses preview features, to be decided how to handle -->
@ -1367,13 +1375,12 @@
<!-- can't upgrade the plugin yet; as there is an issue with 2.22 no longer running all the tests-->
<maven-surefire-plugin.version>2.21.0</maven-surefire-plugin.version>
<maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
<exec-maven-plugin.version>1.6.0</exec-maven-plugin.version>
<exec-maven-plugin.version>3.0.0</exec-maven-plugin.version>
<java.version>1.8</java.version>
<log4j.version>1.2.17</log4j.version>
<esapi.version>2.2.2.0</esapi.version>
<jmh-core.version>1.28</jmh-core.version>
<jmh-generator.version>1.28</jmh-generator.version>
<exec-maven-plugin.version>1.6.0</exec-maven-plugin.version>
<maven-failsafe-plugin.version>2.21.0</maven-failsafe-plugin.version>
<commons-io.version>2.8.0</commons-io.version>
<commons-lang.version>2.6</commons-lang.version>

1
saas/pom.xml
View File

@ -40,7 +40,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
<configuration>
<executable>java</executable>
<mainClass>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</mainClass>

1
slack/pom.xml
View File

@ -45,7 +45,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.6.0</version>
<configuration>
<mainClass>com.baeldung.examples.slack.MainClass</mainClass>
</configuration>

1
spring-5-reactive-2/README.md
View File

@ -9,4 +9,5 @@ This module contains articles about reactive Spring 5
- [Debugging Reactive Streams in Java](https://www.baeldung.com/spring-debugging-reactive-streams)
- [Static Content in Spring WebFlux](https://www.baeldung.com/spring-webflux-static-content)
- [Server-Sent Events in Spring](https://www.baeldung.com/spring-server-sent-events)
- [Backpressure Mechanism in Spring WebFlux](https://www.baeldung.com/spring-webflux-backpressure)
- More articles: [[<-- prev]](/spring-5-reactive)

82
spring-5-reactive-2/src/test/java/com/baeldung/backpressure/BackpressureUnitTest.java Normal file
View File

@ -0,0 +1,82 @@
package com.baeldung.backpressure;
import org.junit.jupiter.api.Test;
import reactor.core.publisher.BaseSubscriber;
import reactor.core.publisher.Flux;
import reactor.test.StepVerifier;
public class BackpressureUnitTest {
@Test
public void whenLimitRateSet_thenSplitIntoChunks() throws InterruptedException {
Flux<Integer> limit = Flux.range(1, 25);
limit.limitRate(10);
limit.subscribe(
value -> System.out.println(value),
err -> err.printStackTrace(),
() -> System.out.println("Finished!!"),
subscription -> subscription.request(15)
);
StepVerifier.create(limit)
.expectSubscription()
.thenRequest(15)
.expectNext(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
.expectNext(11, 12, 13, 14, 15)
.thenRequest(10)
.expectNext(16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
.verifyComplete();
}
@Test
public void whenRequestingChunks10_thenMessagesAreReceived() {
Flux<Integer> request = Flux.range(1, 50);
request.subscribe(
System.out::println,
err -> err.printStackTrace(),
() -> System.out.println("All 50 items have been successfully processed!!!"),
subscription -> {
for (int i = 0; i < 5; i++) {
System.out.println("Requesting the next 10 elements!!!");
subscription.request(10);
}
}
);
StepVerifier.create(request)
.expectSubscription()
.thenRequest(10)
.expectNext(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
.thenRequest(10)
.expectNext(11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
.thenRequest(10)
.expectNext(21, 22, 23, 24, 25, 26, 27 , 28, 29 ,30)
.thenRequest(10)
.expectNext(31, 32, 33, 34, 35, 36, 37 , 38, 39 ,40)
.thenRequest(10)
.expectNext(41, 42, 43, 44, 45, 46, 47 , 48, 49 ,50)
.verifyComplete();
}
@Test
public void whenCancel_thenSubscriptionFinished() {
Flux<Integer> cancel = Flux.range(1, 10).log();
cancel.subscribe(new BaseSubscriber<Integer>() {
@Override
protected void hookOnNext(Integer value) {
request(3);
System.out.println(value);
cancel();
}
});
StepVerifier.create(cancel)
.expectNext(1, 2, 3)
.thenCancel()
.verify();
}
}

3
spring-5/src/test/java/com/baeldung/README.md
View File

@ -1,3 +0,0 @@
### Relevant Articles:
- [Concurrent Test Execution in Spring 5](https://www.baeldung.com/spring-5-concurrent-tests)

1
spring-boot-modules/spring-boot-actuator/README.md
View File

@ -10,3 +10,4 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
- [Liveness and Readiness Probes in Spring Boot](https://www.baeldung.com/spring-liveness-readiness-probes)
- [Custom Information in Spring Boot Info Endpoint](https://www.baeldung.com/spring-boot-info-actuator-custom)
- [Health Indicators in Spring Boot](https://www.baeldung.com/spring-boot-health-indicators)
- [How to Enable All Endpoints in Spring Boot Actuator](https://www.baeldung.com/spring-boot-actuator-enable-endpoints)

18
spring-boot-modules/spring-boot-actuator/src/main/java/com/baeldung/endpoints/enabling/SecurityConfiguration.java
View File

@ -17,20 +17,20 @@ public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
PasswordEncoder encoder = PasswordEncoderFactories.createDelegatingPasswordEncoder();
auth.inMemoryAuthentication()
.withUser("user")
.password(encoder.encode("password"))
.roles("USER")
.and()
.withUser("admin")
.password(encoder.encode("admin"))
.roles("USER", "ADMIN");
.withUser("user")
.password(encoder.encode("password"))
.roles("USER")
.and()
.withUser("admin")
.password(encoder.encode("admin"))
.roles("USER", "ADMIN");
}
@Override
protected void configure(HttpSecurity http) throws Exception {
http.requestMatcher(EndpointRequest.toAnyEndpoint())
.authorizeRequests((requests) -> requests.anyRequest()
.hasRole("ADMIN"));
.authorizeRequests((requests) -> requests.anyRequest()
.hasRole("ADMIN"));
http.httpBasic();
}
}

10
spring-boot-modules/spring-boot-actuator/src/test/java/com/baeldung/endpoints/enabling/EndpointEnablingIntegrationTest.java
View File

@ -21,16 +21,16 @@ public class EndpointEnablingIntegrationTest {
@WithMockUser(username = "user", password = "password", roles = "USER")
public void givenWrongAuthentication_whenCallingActuator_thenReturns401() throws Exception {
mockMvc.perform(get("/actuator"))
.andExpect(status().isForbidden());
.andExpect(status().isForbidden());
}
@Test
@WithMockUser(username = "admin", password = "admin", roles = "ADMIN")
public void givenProperAuthentication_whenCallingActuator_thenReturnsExpectedEndpoints() throws Exception {
mockMvc.perform(get("/actuator"))
.andExpect(jsonPath("$._links").exists())
.andExpect(jsonPath("$._links.beans").exists())
.andExpect(jsonPath("$._links.env").exists())
.andExpect(jsonPath("$._links.shutdown").exists());
.andExpect(jsonPath("$._links").exists())
.andExpect(jsonPath("$._links.beans").exists())
.andExpect(jsonPath("$._links.env").exists())
.andExpect(jsonPath("$._links.shutdown").exists());
}
}

1
spring-boot-modules/spring-boot-libraries-2/README.md
View File

@ -5,3 +5,4 @@ This module contains articles about various Spring Boot libraries
### Relevant Articles:
- [Background Jobs in Spring with JobRunr](https://www.baeldung.com/java-jobrunr-spring)
- [Open API Server Implementation Using OpenAPI Generator](https://www.baeldung.com/java-openapi-generator-server)

22
spring-boot-modules/spring-boot-performance/src/main/java/com/baeldung/lazyinitialization/Application.java
View File

@ -3,6 +3,7 @@ package com.baeldung.lazyinitialization;
import com.baeldung.lazyinitialization.services.Writer;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
@ -20,7 +21,9 @@ public class Application {
}
public static void main(String[] args) {
ApplicationContext ctx = SpringApplication.run(Application.class, args);
System.out.println("Application context initialized!!!");
Writer writer1 = ctx.getBean("writer1", Writer.class);
@ -29,4 +32,23 @@ public class Application {
Writer writer2 = ctx.getBean("writer2", Writer.class);
writer2.write("Second message");
}
/*
This method shows how to set lazy initialization and start the application using SpringApplicationBuilder
*/
private static ApplicationContext runUsingSpringApplicationBuilder(String[] args){
return new SpringApplicationBuilder(Application.class)
.lazyInitialization(true)
.build(args)
.run();
}
/*
This method shows how to set lazy initialization and start the application using SpringApplication
*/
private static ApplicationContext runUsingSpringApplication(String[] args){
SpringApplication app = new SpringApplication(Application.class);
app.setLazyInitialization(true);
return app.run(args);
}
}

2
spring-boot-modules/spring-boot-property-exp/property-exp-custom-config/pom.xml
View File

@ -69,7 +69,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
<configuration>
<mainClass>com.baeldung.propertyexpansion.SpringBootPropertyExpansionApp</mainClass>
</configuration>
@ -80,7 +79,6 @@
<properties>
<custom.property>Custom Property Value</custom.property>
<apache-maven.version>2.7</apache-maven.version>
<exec-maven-plugin.version>1.6.0</exec-maven-plugin.version>
</properties>
</project>

3
spring-cloud-bus/pom.xml
View File

@ -34,8 +34,7 @@
</dependencyManagement>
<properties>
<spring-cloud-dependencies.version>Hoxton.SR4</spring-cloud-dependencies.version>
<spring-boot.version>2.3.3.RELEASE</spring-boot.version>
<spring-cloud-dependencies.version>2020.0.0</spring-cloud-dependencies.version>
</properties>
</project>

1
spring-cloud/pom.xml
View File

@ -44,6 +44,7 @@
<module>spring-cloud-circuit-breaker</module>
<module>spring-cloud-eureka-self-preservation</module>
<!--<module>spring-cloud-openfeign</module>--> <!-- Fixing in JAVA-2820 -->
<module>spring-cloud-sentinel</module>
</modules>
<build>

3
spring-cloud/spring-cloud-docker/README.md Normal file
View File

@ -0,0 +1,3 @@
## Relevant Articles:
- [Dockerizing a Spring Boot Application](https://www.baeldung.com/dockerizing-spring-boot-application)

42
spring-cloud/spring-cloud-sentinel/pom.xml Normal file
View File

@ -0,0 +1,42 @@
<?xml version="1.0"?>
<project
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<modelVersion>4.0.0</modelVersion>
<artifactId>spring-cloud-sentinel</artifactId>
<name>spring-cloud-sentinel</name>
<url>http://maven.apache.org</url>
<packaging>pom</packaging>
<parent>
<groupId>com.baeldung.spring.cloud</groupId>
<artifactId>spring-cloud</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba.csp</groupId>
<artifactId>sentinel-core</artifactId>
<version>1.8.0</version>
</dependency>
<dependency>
<groupId>com.alibaba.csp</groupId>
<artifactId>sentinel-annotation-aspectj</artifactId>
<version>1.8.0</version>
</dependency>
<dependency>
<groupId>com.alibaba.csp</groupId>
<artifactId>sentinel-transport-simple-http</artifactId>
<version>1.8.0</version>
</dependency>
</dependencies>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
</project>

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

65
spring-cloud/spring-cloud-sentinel/src/main/java/com/baeldung/spring/cloud/sentinel/config/SentinelAspectConfiguration.java Normal file
View File

@ -0,0 +1,65 @@
package com.baeldung.spring.cloud.sentinel.config;
import com.alibaba.csp.sentinel.annotation.aspectj.SentinelResourceAspect;
import com.alibaba.csp.sentinel.slots.block.RuleConstant;
import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule;
import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRuleManager;
import com.alibaba.csp.sentinel.slots.block.flow.FlowRule;
import com.alibaba.csp.sentinel.slots.block.flow.FlowRuleManager;
import com.alibaba.csp.sentinel.slots.system.SystemRule;
import com.alibaba.csp.sentinel.slots.system.SystemRuleManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import javax.annotation.PostConstruct;
import java.util.ArrayList;
import java.util.List;
@Configuration
public class SentinelAspectConfiguration {
public static final String RESOURCE_NAME = "greeting";
@Bean
public SentinelResourceAspect sentinelResourceAspect() {
return new SentinelResourceAspect();
}
@PostConstruct
public void init() {
initFlowRules();
initDegradeRules();
initSystemProtectionRules();
}
private void initFlowRules() {
List<FlowRule> flowRules = new ArrayList<>();
FlowRule flowRule = new FlowRule();
// Defined resource
flowRule.setResource(RESOURCE_NAME);
flowRule.setGrade(RuleConstant.FLOW_GRADE_QPS);
// number of requests that QPS can pass in a second
flowRule.setCount(1);
flowRules.add(flowRule);
FlowRuleManager.loadRules(flowRules);
}
private void initDegradeRules() {
List<DegradeRule> rules = new ArrayList<DegradeRule>();
DegradeRule rule = new DegradeRule();
rule.setResource(RESOURCE_NAME);
rule.setCount(10);
rule.setTimeWindow(10);
rules.add(rule);
DegradeRuleManager.loadRules(rules);
}
private void initSystemProtectionRules() {
List<SystemRule> rules = new ArrayList<>();
SystemRule rule = new SystemRule();
rule.setHighestSystemLoad(10);
rules.add(rule);
SystemRuleManager.loadRules(rules);
}
}

20
spring-cloud/spring-cloud-sentinel/src/main/java/com/baeldung/spring/cloud/sentinel/controller/GreetingController.java Normal file
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@ -0,0 +1,20 @@
package com.baeldung.spring.cloud.sentinel.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import com.baeldung.spring.cloud.sentinel.service.GreetingService;
@RestController
public class GreetingController {
@Autowired
private GreetingService greetingService;
@GetMapping("/hello")
public String getGreeting() {
return greetingService.getGreeting();
}
}

19
spring-cloud/spring-cloud-sentinel/src/main/java/com/baeldung/spring/cloud/sentinel/service/GreetingService.java Normal file
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@ -0,0 +1,19 @@
package com.baeldung.spring.cloud.sentinel.service;
import com.alibaba.csp.sentinel.annotation.SentinelResource;
import org.springframework.stereotype.Service;
@Service
public class GreetingService {
@SentinelResource(value = "greeting", fallback = "getGreetingFallback")
public String getGreeting() {
return "Hello World!";
}
public String getGreetingFallback(Throwable e) {
e.printStackTrace();
return "Bye world!";
}
}

1
spring-core-5/README.md
View File

@ -5,4 +5,5 @@ This module contains articles about core Spring functionality
## Relevant Articles:
- [Spring @Component Annotation](https://www.baeldung.com/spring-component-annotation)
- [Solving Spring’s “not eligible for auto-proxying” Warning](https://www.baeldung.com/spring-not-eligible-for-auto-proxying)
- More articles: [[<-- prev]](/spring-core-4)

2
spring-core-5/src/test/java/com/baeldung/component/autoproxying/EligibleForAutoProxyingIntegrationTest.java
View File

@ -40,7 +40,7 @@ public class EligibleForAutoProxyingIntegrationTest {
@Test
public void givenAutowireInBeanPostProcessor_whenSpringContextInitialize_thenNotEligibleLogShouldShowAndGroupFieldPopulated() {
List<ILoggingEvent> notEligibleEvents = memoryAppender.search("Bean 'randomIntGenerator' of type [com.baeldung.autoproxying.RandomIntGenerator] " +
List<ILoggingEvent> notEligibleEvents = memoryAppender.search("Bean 'randomIntGenerator' of type [com.baeldung.component.autoproxying.RandomIntGenerator] " +
"is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)");
assertEquals(0, notEligibleEvents.size());

2
spring-core-5/src/test/java/com/baeldung/component/autoproxying/NotEligibleForAutoProxyingIntegrationTest.java
View File

@ -39,7 +39,7 @@ public class NotEligibleForAutoProxyingIntegrationTest {
@Test
public void givenAutowireInBeanPostProcessor_whenSpringContextInitialize_thenNotEligibleLogShouldShowAndGroupFieldNotPopulated() {
List<ILoggingEvent> notEligibleEvents = memoryAppender.search("Bean 'randomIntGenerator' of type [com.baeldung.autoproxying.RandomIntGenerator] " +
List<ILoggingEvent> notEligibleEvents = memoryAppender.search("Bean 'randomIntGenerator' of type [com.baeldung.component.autoproxying.RandomIntGenerator] " +
"is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)");
assertEquals(1, notEligibleEvents.size());

2
spring-integration/pom.xml
View File

@ -108,7 +108,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
<configuration>
<mainClass>com.baeldung.samples.FileCopyConfig</mainClass>
</configuration>
@ -122,7 +121,6 @@
<javax-mail.version>1.4.7</javax-mail.version>
<javax-activation.version>1.1.1</javax-activation.version>
<maven-eclipse-plugin.version>2.10</maven-eclipse-plugin.version>
<exec-maven-plugin.version>1.5.0</exec-maven-plugin.version>
<h2.version>1.4.197</h2.version>
</properties>

25
spring-security-modules/pom.xml
View File

@ -14,33 +14,34 @@
</parent>
<modules>
<module>spring-ldap</module>
<module>spring-5-security</module>
<module>spring-5-security-cognito</module>
<module>spring-5-security-oauth</module>
<module>spring-ldap</module>
<module>spring-security-acl</module>
<module>spring-security-auth0</module>
<module>spring-security-web-angular/server</module>
<module>spring-security-config</module>
<module>spring-security-core</module>
<module>spring-security-web-mvc</module>
<module>spring-security-web-boot-1</module>
<module>spring-security-web-boot-2</module>
<module>spring-security-web-mvc-custom</module>
<module>spring-security-web-digest-auth</module>
<module>spring-security-ldap</module>
<module>spring-security-web-login</module>
<module>spring-security-web-persisted-remember-me</module>
<module>spring-security-web-sockets</module>
<module>spring-security-legacy-oidc</module>
<module>spring-security-oauth2-sso</module>
<module>spring-security-oidc</module>
<module>spring-security-okta</module>
<module>spring-security-saml</module>
<module>spring-security-web-angular/server</module>
<module>spring-security-web-boot-1</module>
<module>spring-security-web-boot-2</module>
<module>spring-security-web-boot-3</module>
<module>spring-security-web-digest-auth</module>
<module>spring-security-web-login</module>
<module>spring-security-web-mvc-custom</module>
<module>spring-security-web-mvc</module>
<module>spring-security-web-persisted-remember-me</module>
<module>spring-security-web-react</module>
<module>spring-security-web-rest</module>
<module>spring-security-web-rest-basic-auth</module>
<module>spring-security-web-rest-custom</module>
<module>spring-security-oauth2-sso</module>
<module>spring-security-web-rest</module>
<module>spring-security-web-sockets</module>
<module>spring-security-web-thymeleaf</module>
<module>spring-security-web-x509</module>
<module>spring-session</module>

11
spring-security-modules/spring-security-web-boot-3/README.md Normal file
View File

@ -0,0 +1,11 @@
## Spring Boot Security MVC
This module contains articles about Spring Security with Spring MVC in Boot applications
### The Course
The "REST With Spring" Classes: http://github.learnspringsecurity.com
### Relevant Articles:
- [TLS Setup in Spring](https://www.baeldung.com/spring-tls-setup)
- More articles: [[<-- prev]](/spring-security-modules/spring-security-web-boot-2)

30
spring-security-modules/spring-security-web-boot-3/pom.xml Normal file
View File

@ -0,0 +1,30 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
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>spring-security-web-boot-3</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>spring-security-web-boot-3</name>
<packaging>jar</packaging>
<description>Spring Security MVC Boot - 3</description>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-boot-2</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-boot-2</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
</dependencies>
</project>

16
spring-security-modules/spring-security-web-boot-3/src/main/java/com/baeldung/tls/HomeController.java Normal file
View File

@ -0,0 +1,16 @@
package com.baeldung.tls;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
@Controller
public class HomeController {
@GetMapping("/baeldung")
public ResponseEntity<String> welcome() {
return new ResponseEntity<>("tls/baeldung", HttpStatus.OK);
}
}

16
spring-security-modules/spring-security-web-boot-3/src/main/java/com/baeldung/tls/SecurityConfig.java Normal file
View File

@ -0,0 +1,16 @@
package com.baeldung.tls;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
@Override
protected void configure(HttpSecurity http) throws Exception {
http.authorizeRequests()
.antMatchers("/**")
.permitAll();
}
}

15
spring-security-modules/spring-security-web-boot-3/src/main/java/com/baeldung/tls/TLSEnabledApplication.java Normal file
View File

@ -0,0 +1,15 @@
package com.baeldung.tls;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.PropertySource;
@SpringBootApplication
public class TLSEnabledApplication {
public static void main(String... args) {
SpringApplication application = new SpringApplication(TLSEnabledApplication.class);
application.setAdditionalProfiles("tls");
application.run(args);
}
}

23
spring-security-modules/spring-security-web-boot-3/src/main/resources/application-tls.properties Normal file
View File

@ -0,0 +1,23 @@
server.port=8443
# enable/disable https
server.ssl.enabled=true
# keystore format
server.ssl.key-store-type=PKCS12
# keystore location
server.ssl.key-store=classpath:keystore/keystore.p12
# keystore password
server.ssl.key-store-password=changeit
server.ssl.key-alias=baeldung
# SSL protocol to use
server.ssl.protocol=TLS
# Enabled SSL protocols
server.ssl.enabled-protocols=TLSv1.2
#server.ssl.client-auth=need
#trust store location
#server.ssl.trust-store=classpath:keystore/truststore.p12
#trust store password
#server.ssl.trust-store-password=changeit

28
spring-security-modules/spring-security-web-boot-3/src/main/resources/keystore/baeldung.cer Normal file
View File

@ -0,0 +1,28 @@
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

BIN
spring-security-modules/spring-security-web-boot-3/src/main/resources/keystore/keystore.p12 Normal file
View File

Binary file not shown.

1
spring-web-modules/pom.xml
View File

@ -41,6 +41,7 @@
<module>spring-thymeleaf</module>
<module>spring-thymeleaf-2</module>
<module>spring-thymeleaf-3</module>
<module>spring-boot-jsp</module>
</modules>
</project>

3
spring-web-modules/spring-boot-jsp/README.md Normal file
View File

@ -0,0 +1,3 @@
### Relevant Articles:
- [Spring Boot With JavaServer Pages (JSP)](https://www.baeldung.com/spring-boot-jsp)

91
spring-web-modules/spring-boot-jsp/pom.xml Normal file
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@ -0,0 +1,91 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
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>spring-boot-jsp</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>spring-boot-jsp</name>
<packaging>war</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>spring-web-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-dependencies</artifactId>
<version>${spring-boot.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>${jstl.version}</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
<!--uncomment below if deploying in web container-->
<!--<scope>provided</scope>-->
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${lombok.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!--uncomment below if deploying in web container-->
<!--<dependency>-->
<!-- <groupId>org.springframework.boot</groupId>-->
<!-- <artifactId>spring-boot-starter-tomcat</artifactId>-->
<!-- <scope>provided</scope>-->
<!--</dependency>-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<finalName>spring-boot-jsp</finalName>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>${spring-boot.version}</version>
<configuration>
<mainClass>com.baeldung.boot.jsp.SpringBootJspApplication</mainClass>
</configuration>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
<properties>
<jstl.version>1.2</jstl.version>
<junit-jupiter.version>5.7.1</junit-jupiter.version>
<spring-boot.version>2.4.4</spring-boot.version>
</properties>
</project>

19
spring-web-modules/spring-boot-jsp/src/main/java/com/baeldung/boot/jsp/SpringBootJspApplication.java Normal file
View File

@ -0,0 +1,19 @@
package com.baeldung.boot.jsp;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
@SpringBootApplication(scanBasePackages = "com.baeldung.boot.jsp")
public class SpringBootJspApplication extends SpringBootServletInitializer {
@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
return builder.sources(SpringBootJspApplication.class);
}
public static void main(String[] args) {
SpringApplication.run(SpringBootJspApplication.class);
}
}

29
spring-web-modules/spring-boot-jsp/src/main/java/com/baeldung/boot/jsp/SpringBootJspConfiguration.java Normal file
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@ -0,0 +1,29 @@
package com.baeldung.boot.jsp;
import java.util.HashMap;
import java.util.Map;
import org.springframework.boot.SpringBootConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import com.baeldung.boot.jsp.repository.BookRepository;
import com.baeldung.boot.jsp.repository.impl.InMemoryBookRepository;
import com.baeldung.boot.jsp.repository.model.BookData;
@Configuration
public class SpringBootJspConfiguration {
@Bean
public BookRepository provideBookRepository() {
return new InMemoryBookRepository(initialBookData());
}
private static Map<String, BookData> initialBookData() {
Map<String, BookData> initData = new HashMap<>();
initData.put("ISBN-1", new BookData("ISBN-1", "Book 1", "Book 1 Author"));
initData.put("ISBN-2", new BookData("ISBN-2", "Book 2", "Book 2 Author"));
initData.put("ISBN-3", new BookData("ISBN-3", "Book 3", "Book 3 Author"));
return initData;
}
}

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package com.baeldung.boot.jsp.controller;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import org.springframework.web.servlet.view.RedirectView;
import com.baeldung.boot.jsp.dto.Book;
import com.baeldung.boot.jsp.service.BookService;
@Controller
@RequestMapping("/book")
public class BookController {
private final BookService bookService;
public BookController(BookService bookService) {
this.bookService = bookService;
}
@GetMapping("/viewBooks")
public String viewBooks(Model model) {
model.addAttribute("books", bookService.getBooks());
return "view-books";
}
@GetMapping("/addBook")
public String addBookView(Model model) {
model.addAttribute("book", new Book());
return "add-book";
}
@PostMapping("/addBook")
public RedirectView addBook(@ModelAttribute("book") Book book, RedirectAttributes redirectAttributes) {
final RedirectView redirectView = new RedirectView("/book/addBook", true);
Book savedBook = bookService.addBook(book);
redirectAttributes.addFlashAttribute("savedBook", savedBook);
redirectAttributes.addFlashAttribute("addBookSuccess", true);
return redirectView;
}
}

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spring-web-modules/spring-boot-jsp/src/main/java/com/baeldung/boot/jsp/dto/Book.java Normal file
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package com.baeldung.boot.jsp.dto;
import lombok.*;
@Getter
@Setter
@NoArgsConstructor
@AllArgsConstructor
@ToString
public class Book {
private String isbn;
private String name;
private String author;
}

13
spring-web-modules/spring-boot-jsp/src/main/java/com/baeldung/boot/jsp/exception/DuplicateBookException.java Normal file
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package com.baeldung.boot.jsp.exception;
import com.baeldung.boot.jsp.dto.Book;
import lombok.Getter;
@Getter
public class DuplicateBookException extends RuntimeException {
private final Book book;
public DuplicateBookException(Book book) {
this.book = book;
}
}

19
spring-web-modules/spring-boot-jsp/src/main/java/com/baeldung/boot/jsp/exception/LibraryControllerAdvice.java Normal file
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package com.baeldung.boot.jsp.exception;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.servlet.ModelAndView;
@ControllerAdvice
public class LibraryControllerAdvice {
@ExceptionHandler(value = DuplicateBookException.class)
public ModelAndView duplicateBookException(DuplicateBookException e) {
final ModelAndView modelAndView = new ModelAndView();
modelAndView.addObject("ref", e.getBook().getIsbn());
modelAndView.addObject("object", e.getBook());
modelAndView.addObject("message", "Cannot add an already existing book");
modelAndView.setViewName("error-book");
return modelAndView;
}
}

14
spring-web-modules/spring-boot-jsp/src/main/java/com/baeldung/boot/jsp/repository/BookRepository.java Normal file
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package com.baeldung.boot.jsp.repository;
import java.util.Collection;
import java.util.Optional;
import com.baeldung.boot.jsp.repository.model.BookData;
public interface BookRepository {
Collection<BookData> findAll();
Optional<BookData> findById(String isbn);
BookData add(BookData book);
}

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spring-web-modules/spring-boot-jsp/src/main/java/com/baeldung/boot/jsp/repository/impl/InMemoryBookRepository.java Normal file
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package com.baeldung.boot.jsp.repository.impl;
import java.util.*;
import com.baeldung.boot.jsp.repository.BookRepository;
import com.baeldung.boot.jsp.repository.model.BookData;
public class InMemoryBookRepository implements BookRepository {
private final Map<String, BookData> storedBooks;
public InMemoryBookRepository(Map<String, BookData> storedBooks) {
this.storedBooks = new HashMap<>();
this.storedBooks.putAll(storedBooks);
}
@Override
public Collection<BookData> findAll() {
if (storedBooks.isEmpty()) {
return Collections.emptyList();
}
return storedBooks.values();
}
@Override
public Optional<BookData> findById(String isbn) {
return Optional.ofNullable(storedBooks.get(isbn));
}
@Override
public BookData add(BookData book) {
storedBooks.put(book.getIsbn(), book);
return book;
}
}

16
spring-web-modules/spring-boot-jsp/src/main/java/com/baeldung/boot/jsp/repository/model/BookData.java Normal file
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package com.baeldung.boot.jsp.repository.model;
import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
@Getter
@Setter
@AllArgsConstructor
@NoArgsConstructor
public class BookData {
private String isbn;
private String name;
private String author;
}

11
spring-web-modules/spring-boot-jsp/src/main/java/com/baeldung/boot/jsp/service/BookService.java Normal file
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package com.baeldung.boot.jsp.service;
import java.util.Collection;
import com.baeldung.boot.jsp.dto.Book;
public interface BookService {
Collection<Book> getBooks();
Book addBook(Book book);
}

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package com.baeldung.boot.jsp.service.impl;
import java.util.Collection;
import java.util.Optional;
import java.util.stream.Collectors;
import com.baeldung.boot.jsp.exception.DuplicateBookException;
import org.springframework.stereotype.Service;
import com.baeldung.boot.jsp.dto.Book;
import com.baeldung.boot.jsp.repository.BookRepository;
import com.baeldung.boot.jsp.repository.model.BookData;
import com.baeldung.boot.jsp.service.BookService;
@Service
public class BookServiceImpl implements BookService {
private final BookRepository bookRepository;
public BookServiceImpl(BookRepository bookRepository) {
this.bookRepository = bookRepository;
}
@Override
public Collection<Book> getBooks() {
return bookRepository.findAll()
.stream()
.map(BookServiceImpl::convertBookData)
.collect(Collectors.toList());
}
@Override
public Book addBook(Book book) {
final Optional<BookData> existingBook = bookRepository.findById(book.getIsbn());
if (existingBook.isPresent()) {
throw new DuplicateBookException(book);
}
final BookData savedBook = bookRepository.add(convertBook(book));
return convertBookData(savedBook);
}
private static Book convertBookData(BookData bookData) {
return new Book(bookData.getIsbn(), bookData.getName(), bookData.getAuthor());
}
private static BookData convertBook(Book book) {
return new BookData(book.getIsbn(), book.getName(), book.getAuthor());
}
}

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spring-web-modules/spring-boot-jsp/src/main/resources/application.properties Normal file
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server.servlet.context-path=/spring-boot-jsp
spring.mvc.view.prefix: /WEB-INF/jsp/
spring.mvc.view.suffix: .jsp

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table {
font-family: arial, sans-serif;
border-collapse: collapse;
}
td, th {
border: 1px solid #dddddd;
text-align: left;
padding: 8px;
}

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Error</title>
</head>
<body>
Opps! 4xx Error Occurred.
</body>
</html>

21
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<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Add Book</title>
</head>
<body>
<c:if test="${addBookSuccess}">
<div>Successfully added Book with ISBN: ${savedBook.isbn}</div>
</c:if>
<c:url var="add_book_url" value="/book/addBook"/>
<form:form action="${add_book_url}" method="post" modelAttribute="book">
<form:label path="isbn">ISBN: </form:label> <form:input type="text" path="isbn"/>
<form:label path="name">Book Name: </form:label> <form:input type="text" path="name"/>
<form:label path="author">Author Name: </form:label> <form:input path="author"/>
<input type="submit" value="submit"/>
</form:form>
</body>
</html>

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<%--
Created by IntelliJ IDEA.
User: jason
Date: 3/13/21
Time: 10:39 PM
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Error</title>
</head>
<body>
<p>Reference: ${ref}</p>
<p>Error Message: ${message}</p>
<p>Object: ${object}</p>
</body>
</html>

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<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<html>
<head>
<title>View Books</title>
<link href="<c:url value="/css/common.css"/>" rel="stylesheet" type="text/css">
</head>
<body>
<table>
<thead>
<tr>
<th>ISBN</th>
<th>Name</th>
<th>Author</th>
</tr>
</thead>
<tbody>
<c:forEach items="${books}" var="book">
<tr>
<td>${book.isbn}</td>
<td>${book.name}</td>
<td>${book.author}</td>
</tr>
</c:forEach>
</tbody>
</table>
</body>
</html>

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spring-web-modules/spring-boot-jsp/src/test/java/com/baeldung/boot/jsp/controller/BookControllerIntegrationTest.java Normal file
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package com.baeldung.boot.jsp.controller;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.hasProperty;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.model;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.view;
import java.util.Collections;
import java.util.Optional;
import org.junit.jupiter.api.MethodOrderer;
import org.junit.jupiter.api.Order;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestMethodOrder;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit.jupiter.SpringExtension;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.ResultActions;
import org.springframework.test.web.servlet.request.MockHttpServletRequestBuilder;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import com.baeldung.boot.jsp.repository.BookRepository;
import com.baeldung.boot.jsp.repository.impl.InMemoryBookRepository;
import com.baeldung.boot.jsp.repository.model.BookData;
@ExtendWith(SpringExtension.class)
@WebAppConfiguration
@ContextConfiguration
@AutoConfigureMockMvc
@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
public class BookControllerIntegrationTest {
@Autowired
private MockMvc mockMvc;
@Autowired
private BookRepository bookRepository;
@Test
@Order(1)
public void whenAddBook_thenBookSaved() throws Exception {
MockHttpServletRequestBuilder addBookRequest = MockMvcRequestBuilders.post("/book/addBook")
.contentType(MediaType.APPLICATION_FORM_URLENCODED_VALUE)
.param("isbn", "isbn1")
.param("name", "name1")
.param("author", "author1");
mockMvc.perform(addBookRequest)
.andReturn();
Optional<BookData> storedBookOpt = bookRepository.findById("isbn1");
assertTrue(storedBookOpt.isPresent());
assertEquals("name1", storedBookOpt.get()
.getName());
assertEquals("author1", storedBookOpt.get()
.getAuthor());
}
@Test
@Order(2)
public void givenAlreadyExistingBook_whenAddBook_thenShowErrorPage() throws Exception {
MockHttpServletRequestBuilder addBookRequest = MockMvcRequestBuilders.post("/book/addBook")
.contentType(MediaType.APPLICATION_FORM_URLENCODED_VALUE)
.param("isbn", "isbn1")
.param("name", "name1")
.param("author", "author1");
ResultActions addBookResult = mockMvc.perform(addBookRequest);
addBookResult.andExpect(view().name("error-book"))
.andExpect(model().attribute("ref", "isbn1"))
.andExpect(model().attribute("object", hasProperty("isbn", equalTo("isbn1"))))
.andExpect(model().attribute("message", "Cannot add an already existing book"));
}
@Configuration
@ComponentScan("com.baeldung.boot.jsp")
static class ContextConfiguration {
@Bean
public BookRepository provideBookRepository() {
return new InMemoryBookRepository(Collections.emptyMap());
}
}
}

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package com.baeldung.boot.jsp.controller;
import static org.hamcrest.Matchers.*;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.when;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.junit.jupiter.api.Test;
import org.mockito.AdditionalAnswers;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
import org.springframework.boot.test.mock.mockito.MockBean;
import org.springframework.http.MediaType;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.ResultActions;
import org.springframework.test.web.servlet.request.MockHttpServletRequestBuilder;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import com.baeldung.boot.jsp.dto.Book;
import com.baeldung.boot.jsp.service.BookService;
@WebMvcTest(BookController.class)
class BookControllerUnitTest {
@Autowired
private MockMvc mockMvc;
@MockBean
private BookService bookService;
@Test
public void whenViewBooks_thenReturnBooksView() throws Exception {
when(bookService.getBooks()).thenReturn(existingBooks());
ResultActions viewBooksResult = mockMvc.perform(get("/book/viewBooks"));
viewBooksResult.andExpect(view().name("view-books"))
.andExpect(model().attribute("books", hasSize(3)));
}
@Test
public void whenAddBookView_thenReturnAddBooksView() throws Exception {
ResultActions addBookViewResult = mockMvc.perform(get("/book/addBook"));
addBookViewResult.andExpect(view().name("add-book"))
.andExpect(model().attribute("book", isA(Book.class)));
}
@Test
public void whenAddBookPost_thenRedirectToAddBookView() throws Exception {
when(bookService.addBook(any(Book.class))).thenAnswer(AdditionalAnswers.returnsFirstArg());
MockHttpServletRequestBuilder addBookRequest = MockMvcRequestBuilders.post("/book/addBook")
.contentType(MediaType.APPLICATION_FORM_URLENCODED_VALUE)
.param("isbn", "isbn1")
.param("name", "name1")
.param("author", "author1");
ResultActions addBookResult = mockMvc.perform(addBookRequest);
addBookResult.andExpect(status().is3xxRedirection())
.andExpect(redirectedUrl("/book/addBook"))
.andExpect(flash().attribute("savedBook", hasProperty("isbn", equalTo("isbn1"))))
.andExpect(flash().attribute("addBookSuccess", true));
}
private static Collection<Book> existingBooks() {
List<Book> books = new ArrayList<>();
books.add(new Book("isbn1", "name1", "author1"));
books.add(new Book("isbn2", "name2", "author2"));
books.add(new Book("isbn3", "name3", "author3"));
return books;
}
}

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spring-web-modules/spring-boot-jsp/src/test/java/com/baeldung/boot/jsp/repository/impl/InMemoryBookRepositoryUnitTest.java Normal file
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package com.baeldung.boot.jsp.repository.impl;
import static org.junit.jupiter.api.Assertions.*;
import java.util.*;
import org.junit.jupiter.api.Test;
import com.baeldung.boot.jsp.repository.BookRepository;
import com.baeldung.boot.jsp.repository.model.BookData;
public class InMemoryBookRepositoryUnitTest {
@Test
public void givenEmtpyData_whenFindAll_thenReturnEmptyCollection() {
BookRepository bookRepository = new InMemoryBookRepository(Collections.emptyMap());
Collection<BookData> storedBooks = bookRepository.findAll();
assertEquals(0, storedBooks.size());
}
@Test
public void givenInitialData_whenFindAll_thenReturnInitialData() {
BookRepository bookRepository = new InMemoryBookRepository(initialBookData());
Collection<BookData> storedBooks = bookRepository.findAll();
assertEquals(3, storedBooks.size());
}
@Test
public void givenInitialData_whenFindUnavailableIsbn_thenReturnEmpty() {
BookRepository bookRepository = new InMemoryBookRepository(initialBookData());
Optional<BookData> storedBookOpt = bookRepository.findById("isbn4");
assertFalse(storedBookOpt.isPresent());
}
@Test
public void givenInitialData_whenFindAvailableIsbn_thenReturnItem() {
BookRepository bookRepository = new InMemoryBookRepository(initialBookData());
Optional<BookData> storedBookOpt = bookRepository.findById("isbn1");
assertTrue(storedBookOpt.isPresent());
}
@Test
public void givenAddedIsbn_whenFindAvailableIsbn_thenReturnItem() {
BookRepository bookRepository = new InMemoryBookRepository(Collections.emptyMap());
bookRepository.add(new BookData("isbn4", "name4", "author4"));
Optional<BookData> storedBookOpt = bookRepository.findById("isbn4");
assertTrue(storedBookOpt.isPresent());
}
private static Map<String, BookData> initialBookData() {
Map<String, BookData> initData = new HashMap<>();
initData.put("isbn1", new BookData("isbn1", "name1", "author1"));
initData.put("isbn2", new BookData("isbn2", "name2", "author2"));
initData.put("isbn3", new BookData("isbn3", "name3", "author3"));
return initData;
}
}

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spring-web-modules/spring-boot-jsp/src/test/java/com/baeldung/boot/jsp/service/BookServiceIntegrationTest.java Normal file
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package com.baeldung.boot.jsp.service;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.*;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import org.junit.jupiter.api.MethodOrderer;
import org.junit.jupiter.api.Order;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestMethodOrder;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit.jupiter.SpringExtension;
import org.springframework.test.context.support.AnnotationConfigContextLoader;
import com.baeldung.boot.jsp.dto.Book;
import com.baeldung.boot.jsp.exception.DuplicateBookException;
import com.baeldung.boot.jsp.repository.BookRepository;
import com.baeldung.boot.jsp.repository.impl.InMemoryBookRepository;
import com.baeldung.boot.jsp.repository.model.BookData;
@ExtendWith(SpringExtension.class)
@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
@ContextConfiguration(loader = AnnotationConfigContextLoader.class)
public class BookServiceIntegrationTest {
@Autowired
private BookService bookService;
@Test
@Order(1)
public void givenNoAddedBooks_whenGetAllBooks_thenReturnInitialBooks() {
Collection<Book> storedBooks = bookService.getBooks();
assertEquals(3, storedBooks.size());
assertThat(storedBooks, hasItem(hasProperty("isbn", equalTo("ISBN-TEST-1"))));
assertThat(storedBooks, hasItem(hasProperty("isbn", equalTo("ISBN-TEST-2"))));
assertThat(storedBooks, hasItem(hasProperty("isbn", equalTo("ISBN-TEST-3"))));
}
@Test
@Order(2)
public void givenBookNotAlreadyExists_whenAddBook_thenReturnSuccessfully() {
Book bookToBeAdded = new Book("ISBN-ADD-TEST-4", "Added Book 4", "Added Book 4 Author");
Book storedBook = bookService.addBook(bookToBeAdded);
assertEquals(bookToBeAdded.getIsbn(), storedBook.getIsbn());
}
@Test
@Order(3)
public void givenBookAlreadyExists_whenAddBook_thenDuplicateBookException() {
Book bookToBeAdded = new Book("ISBN-ADD-TEST-4", "Updated Book 4", "Updated Book 4 Author");
assertThrows(DuplicateBookException.class, () -> bookService.addBook(bookToBeAdded));
}
@Configuration
@ComponentScan("com.baeldung.boot.jsp")
static class ContextConfiguration {
@Bean
public BookRepository provideBookRepository() {
return new InMemoryBookRepository(initialBookData());
}
private static Map<String, BookData> initialBookData() {
Map<String, BookData> initData = new HashMap<>();
initData.put("ISBN-TEST-1", new BookData("ISBN-TEST-1", "Book 1", "Book 1 Author"));
initData.put("ISBN-TEST-2", new BookData("ISBN-TEST-2", "Book 2", "Book 2 Author"));
initData.put("ISBN-TEST-3", new BookData("ISBN-TEST-3", "Book 3", "Book 3 Author"));
return initData;
}
}
}

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package com.baeldung.boot.jsp.service.impl;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.*;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.when;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Optional;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.AdditionalAnswers;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;
import com.baeldung.boot.jsp.dto.Book;
import com.baeldung.boot.jsp.exception.DuplicateBookException;
import com.baeldung.boot.jsp.repository.BookRepository;
import com.baeldung.boot.jsp.repository.model.BookData;
import com.baeldung.boot.jsp.service.BookService;
@ExtendWith(MockitoExtension.class)
public class BookServiceImplUnitTest {
@Mock
private BookRepository bookRepository;
@Test
public void whenGetBooks_thenAllBooksReturned() {
when(bookRepository.findAll()).thenReturn(existingBooks());
BookService bookService = new BookServiceImpl(bookRepository);
Collection<Book> storedBooks = bookService.getBooks();
assertEquals(3, storedBooks.size());
assertThat(storedBooks, hasItem(hasProperty("isbn", equalTo("isbn1"))));
assertThat(storedBooks, hasItem(hasProperty("isbn", equalTo("isbn2"))));
assertThat(storedBooks, hasItem(hasProperty("isbn", equalTo("isbn3"))));
}
@Test
public void whenAddBook_thenAddSuccessful() {
when(bookRepository.findById(anyString())).thenReturn(Optional.empty());
when(bookRepository.add(any(BookData.class))).thenAnswer(AdditionalAnswers.returnsFirstArg());
BookService bookService = new BookServiceImpl(bookRepository);
Book book = bookService.addBook(new Book("isbn1", "name1", "author1"));
assertEquals("isbn1", book.getIsbn());
assertEquals("name1", book.getName());
assertEquals("author1", book.getAuthor());
}
@Test
public void givenBookAlreadyExist_whenAddBook_thenDuplicateBookException() {
BookData existingBook = new BookData("isbn1", "name1", "author1");
when(bookRepository.findById("isbn1")).thenReturn(Optional.of(existingBook));
BookService bookService = new BookServiceImpl(bookRepository);
Book bookToBeAdded = new Book("isbn1", "name1", "author1");
assertThrows(DuplicateBookException.class, () -> bookService.addBook(bookToBeAdded));
}
private static Collection<BookData> existingBooks() {
List<BookData> books = new ArrayList<>();
books.add(new BookData("isbn1", "name1", "author1"));
books.add(new BookData("isbn2", "name2", "author2"));
books.add(new BookData("isbn3", "name3", "author3"));
return books;
}
}

1
testing-modules/junit-5/pom.xml
View File

@ -136,7 +136,6 @@
<log4j2.version>2.8.2</log4j2.version>
<powermock.version>2.0.0</powermock.version>
<maven-surefire-plugin.version>2.22.0</maven-surefire-plugin.version>
<exec-maven-plugin.version>1.6.0</exec-maven-plugin.version>
<spring.version>5.0.1.RELEASE</spring.version>
<surefire.report.plugin>3.0.0-M3</surefire.report.plugin>
</properties>

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