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Merge pull request #2 from eugenp/master 

Merge changes from master to the fork "codehunter34/tutorials"
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codehunter34 2019-06-09 23:12:58 -04:00 committed by GitHub
parent aba7e71359 871a4b35ab
commit f1e59e754e
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105 changed files with 2798 additions and 244 deletions
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51
algorithms-miscellaneous-3/src/main/java/com/baeldung/algorithms/graphcycledetection/domain/Graph.java Normal file
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@ -0,0 +1,51 @@
package com.baeldung.algorithms.graphcycledetection.domain;
import java.util.ArrayList;
import java.util.List;
public class Graph {
private List<Vertex> vertices;
public Graph() {
this.vertices = new ArrayList<>();
}
public Graph(List<Vertex> vertices) {
this.vertices = vertices;
}
public void addVertex(Vertex vertex) {
this.vertices.add(vertex);
}
public void addEdge(Vertex from, Vertex to) {
from.addNeighbour(to);
}
public boolean hasCycle() {
for (Vertex vertex : vertices) {
if (!vertex.isVisited() && hasCycle(vertex)) {
return true;
}
}
return false;
}
public boolean hasCycle(Vertex sourceVertex) {
sourceVertex.setBeingVisited(true);
for (Vertex neighbour : sourceVertex.getAdjacencyList()) {
if (neighbour.isBeingVisited()) {
// backward edge exists
return true;
} else if (!neighbour.isVisited() && hasCycle(neighbour)) {
return true;
}
}
sourceVertex.setBeingVisited(false);
sourceVertex.setVisited(true);
return false;
}
}

56
algorithms-miscellaneous-3/src/main/java/com/baeldung/algorithms/graphcycledetection/domain/Vertex.java Normal file
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@ -0,0 +1,56 @@
package com.baeldung.algorithms.graphcycledetection.domain;
import java.util.ArrayList;
import java.util.List;
public class Vertex {
private String label;
private boolean visited;
private boolean beingVisited;
private List<Vertex> adjacencyList;
public Vertex(String label) {
this.label = label;
this.adjacencyList = new ArrayList<>();
}
public String getLabel() {
return label;
}
public void setLabel(String label) {
this.label = label;
}
public boolean isVisited() {
return visited;
}
public void setVisited(boolean visited) {
this.visited = visited;
}
public boolean isBeingVisited() {
return beingVisited;
}
public void setBeingVisited(boolean beingVisited) {
this.beingVisited = beingVisited;
}
public List<Vertex> getAdjacencyList() {
return adjacencyList;
}
public void setAdjacencyList(List<Vertex> adjacencyList) {
this.adjacencyList = adjacencyList;
}
public void addNeighbour(Vertex adjacent) {
this.adjacencyList.add(adjacent);
}
}

56
algorithms-miscellaneous-3/src/test/java/com/baeldung/algorithms/graphcycledetection/GraphCycleDetectionUnitTest.java Normal file
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package com.baeldung.algorithms.graphcycledetection;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import com.baeldung.algorithms.graphcycledetection.domain.Graph;
import com.baeldung.algorithms.graphcycledetection.domain.Vertex;
public class GraphCycleDetectionUnitTest {
@Test
public void givenGraph_whenCycleExists_thenReturnTrue() {
Vertex vertexA = new Vertex("A");
Vertex vertexB = new Vertex("B");
Vertex vertexC = new Vertex("C");
Vertex vertexD = new Vertex("D");
Graph graph = new Graph();
graph.addVertex(vertexA);
graph.addVertex(vertexB);
graph.addVertex(vertexC);
graph.addVertex(vertexD);
graph.addEdge(vertexA, vertexB);
graph.addEdge(vertexB, vertexC);
graph.addEdge(vertexC, vertexA);
graph.addEdge(vertexD, vertexC);
assertTrue(graph.hasCycle());
}
@Test
public void givenGraph_whenNoCycleExists_thenReturnFalse() {
Vertex vertexA = new Vertex("A");
Vertex vertexB = new Vertex("B");
Vertex vertexC = new Vertex("C");
Vertex vertexD = new Vertex("D");
Graph graph = new Graph();
graph.addVertex(vertexA);
graph.addVertex(vertexB);
graph.addVertex(vertexC);
graph.addVertex(vertexD);
graph.addEdge(vertexA, vertexB);
graph.addEdge(vertexB, vertexC);
graph.addEdge(vertexA, vertexC);
graph.addEdge(vertexD, vertexC);
assertFalse(graph.hasCycle());
}
}

3
core-groovy-2/README.md
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@ -3,5 +3,6 @@
## Relevant articles:
- [String Matching in Groovy](http://www.baeldung.com/)
- [Template Engines in Groovy](https://www.baeldung.com/groovy-template-engines)
- [Groovy def Keyword](https://www.baeldung.com/groovy-def-keyword)
- [Pattern Matching in Strings in Groovy](https://www.baeldung.com/groovy-pattern-matching)
- [Pattern Matching in Strings in Groovy](https://www.baeldung.com/groovy-pattern-matching)

178
core-groovy-2/gmavenplus-pom.xml Normal file
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<?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>core-groovy-2</artifactId>
<version>1.0-SNAPSHOT</version>
<name>core-groovy-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback.version}</version>
</dependency>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-all</artifactId>
<version>${groovy.version}</version>
<type>pom</type>
</dependency>
<dependency>
<groupId>org.junit.platform</groupId>
<artifactId>junit-platform-runner</artifactId>
<version>${junit.platform.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hsqldb</groupId>
<artifactId>hsqldb</artifactId>
<version>${hsqldb.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.spockframework</groupId>
<artifactId>spock-core</artifactId>
<version>${spock-core.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<scriptSourceDirectory>src/main/groovy</scriptSourceDirectory>
<sourceDirectory>src/main/java</sourceDirectory>
<plugins>
<plugin>
<groupId>org.codehaus.gmavenplus</groupId>
<artifactId>gmavenplus-plugin</artifactId>
<version>1.7.0</version>
<executions>
<execution>
<goals>
<goal>execute</goal>
<goal>addSources</goal>
<goal>addTestSources</goal>
<goal>generateStubs</goal>
<goal>compile</goal>
<goal>generateTestStubs</goal>
<goal>compileTests</goal>
<goal>removeStubs</goal>
<goal>removeTestStubs</goal>
</goals>
</execution>
</executions>
<dependencies>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-all</artifactId>
<!-- any version of Groovy \>= 1.5.0 should work here -->
<version>${groovy.version}</version>
<scope>runtime</scope>
<type>pom</type>
</dependency>
</dependencies>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
</plugin>
<plugin>
<artifactId>maven-failsafe-plugin</artifactId>
<version>${maven-failsafe-plugin.version}</version>
<dependencies>
<dependency>
<groupId>org.junit.platform</groupId>
<artifactId>junit-platform-surefire-provider</artifactId>
<version>${junit.platform.version}</version>
</dependency>
</dependencies>
<executions>
<execution>
<id>junit5</id>
<goals>
<goal>integration-test</goal>
<goal>verify</goal>
</goals>
<configuration>
<includes>
<include>**/*Test5.java</include>
</includes>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.20.1</version>
<configuration>
<useFile>false</useFile>
<includes>
<include>**/*Test.java</include>
<include>**/*Spec.java</include>
</includes>
</configuration>
</plugin>
<!-- Maven Assembly Plugin: needed to run the jar through command line -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<version>3.1.0</version>
<configuration>
<!-- get all project dependencies -->
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
<!-- MainClass in mainfest make a executable jar -->
<archive>
<manifest>
<mainClass>com.baeldung.MyJointCompilationApp</mainClass>
</manifest>
</archive>
</configuration>
<executions>
<execution>
<id>make-assembly</id>
<!-- bind to the packaging phase -->
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>central</id>
<url>http://jcenter.bintray.com</url>
</repository>
</repositories>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<junit.platform.version>1.0.0</junit.platform.version>
<hsqldb.version>2.4.0</hsqldb.version>
<spock-core.version>1.1-groovy-2.4</spock-core.version>
<commons-lang3.version>3.9</commons-lang3.version>
<java.version>1.8</java.version>
<logback.version>1.2.3</logback.version>
<groovy.version>2.5.7</groovy.version>
<gmavenplus-plugin.version>1.6</gmavenplus-plugin.version>
</properties>
</project>

130
core-groovy-2/pom.xml
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@ -1,6 +1,6 @@
<?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">
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>core-groovy-2</artifactId>
<version>1.0-SNAPSHOT</version>
@ -15,25 +15,20 @@
<dependencies>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy</artifactId>
<version>${groovy.version}</version>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback.version}</version>
</dependency>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-all</artifactId>
<version>${groovy-all.version}</version>
<type>pom</type>
</dependency>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-dateutil</artifactId>
<version>${groovy.version}</version>
</dependency>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-sql</artifactId>
<version>${groovy-sql.version}</version>
<type>pom</type>
</dependency>
<dependency>
<groupId>org.junit.platform</groupId>
@ -56,21 +51,35 @@
</dependencies>
<build>
<scriptSourceDirectory>src/main/groovy</scriptSourceDirectory>
<sourceDirectory>src/main/java</sourceDirectory>
<plugins>
<plugin>
<groupId>org.codehaus.gmavenplus</groupId>
<artifactId>gmavenplus-plugin</artifactId>
<version>${gmavenplus-plugin.version}</version>
<executions>
<execution>
<goals>
<goal>addSources</goal>
<goal>addTestSources</goal>
<goal>compile</goal>
<goal>compileTests</goal>
</goals>
</execution>
</executions>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-eclipse-compiler</artifactId>
<version>3.3.0-01</version>
<extensions>true</extensions>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration>
<compilerId>groovy-eclipse-compiler</compilerId>
<source>${java.version}</source>
<target>${java.version}</target>
</configuration>
<dependencies>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-eclipse-compiler</artifactId>
<version>3.3.0-01</version>
</dependency>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-eclipse-batch</artifactId>
<version>${groovy.version}-01</version>
</dependency>
</dependencies>
</plugin>
<plugin>
<artifactId>maven-failsafe-plugin</artifactId>
@ -101,13 +110,42 @@
<artifactId>maven-surefire-plugin</artifactId>
<version>2.20.1</version>
<configuration>
<useFile>false</useFile>
<includes>
<include>**/*Test.java</include>
<include>**/*Spec.java</include>
</includes>
<useFile>false</useFile>
<includes>
<include>**/*Test.java</include>
<include>**/*Spec.java</include>
</includes>
</configuration>
</plugin>
<!-- Maven Assembly Plugin: needed to run the jar through command line -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<version>3.1.0</version>
<configuration>
<!-- get all project dependencies -->
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
<!-- MainClass in mainfest make a executable jar -->
<archive>
<manifest>
<mainClass>com.baeldung.MyJointCompilationApp</mainClass>
</manifest>
</archive>
</configuration>
<executions>
<execution>
<id>make-assembly</id>
<!-- bind to the packaging phase -->
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
@ -118,14 +156,32 @@
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>bintray</id>
<name>Groovy Bintray</name>
<url>https://dl.bintray.com/groovy/maven</url>
<releases>
<!-- avoid automatic updates -->
<updatePolicy>never</updatePolicy>
</releases>
<snapshots>
<enabled>false</enabled>
</snapshots>
</pluginRepository>
</pluginRepositories>
<properties>
<junit.platform.version>1.0.0</junit.platform.version>
<groovy.version>2.5.6</groovy.version>
<groovy-all.version>2.5.6</groovy-all.version>
<groovy-sql.version>2.5.6</groovy-sql.version>
<hsqldb.version>2.4.0</hsqldb.version>
<spock-core.version>1.1-groovy-2.4</spock-core.version>
<gmavenplus-plugin.version>1.6</gmavenplus-plugin.version>
<commons-lang3.version>3.9</commons-lang3.version>
<java.version>1.8</java.version>
<maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
<logback.version>1.2.3</logback.version>
<groovy.version>2.5.7</groovy.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
</project>

25
core-groovy-2/src/main/groovy/com/baeldung/CalcMath.groovy Normal file
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@ -0,0 +1,25 @@
package com.baeldung
import org.slf4j.LoggerFactory
class CalcMath {
def log = LoggerFactory.getLogger(this.getClass())
def calcSum(x, y) {
log.info "Executing $x + $y"
x + y
}
/**
* example of method that in java would throw error at compile time
* @param x
* @param y
* @return
*/
def calcSum2(x, y) {
log.info "Executing $x + $y"
// DANGER! This won't throw a compilation issue and fail only at runtime!!!
calcSum3()
log.info("Logging an undefined variable: $z")
}
}

16
core-groovy-2/src/main/groovy/com/baeldung/CalcScript.groovy Normal file
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@ -0,0 +1,16 @@
package com.baeldung
def calcSum(x, y) {
x + y
}
def calcSum2(x, y) {
// DANGER! The variable "log" may be undefined
log.info "Executing $x + $y"
// DANGER! This method doesn't exist!
calcSum3()
// DANGER! The logged variable "z" is undefined!
log.info("Logging an undefined variable: $z")
}
calcSum(1,5)

120
core-groovy-2/src/main/java/com/baeldung/MyJointCompilationApp.java Normal file
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@ -0,0 +1,120 @@
package com.baeldung;
import groovy.lang.*;
import groovy.util.GroovyScriptEngine;
import groovy.util.ResourceException;
import groovy.util.ScriptException;
import org.codehaus.groovy.jsr223.GroovyScriptEngineFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.script.ScriptEngine;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
/**
* Hello world!
*
*/
public class MyJointCompilationApp {
private final static Logger LOG = LoggerFactory.getLogger(MyJointCompilationApp.class);
private final GroovyClassLoader loader;
private final GroovyShell shell;
private final GroovyScriptEngine engine;
private final ScriptEngine engineFromFactory;
public MyJointCompilationApp() {
loader = new GroovyClassLoader(this.getClass().getClassLoader());
shell = new GroovyShell(loader, new Binding());
URL url = null;
try {
url = new File("src/main/groovy/com/baeldung/").toURI().toURL();
} catch (MalformedURLException e) {
LOG.error("Exception while creating url", e);
}
engine = new GroovyScriptEngine(new URL[] {url}, this.getClass().getClassLoader());
engineFromFactory = new GroovyScriptEngineFactory().getScriptEngine();
}
private void addWithCompiledClasses(int x, int y) {
LOG.info("Executing {} + {}", x, y);
Object result1 = new CalcScript().calcSum(x, y);
LOG.info("Result of CalcScript.calcSum() method is {}", result1);
Object result2 = new CalcMath().calcSum(x, y);
LOG.info("Result of CalcMath.calcSum() method is {}", result2);
}
private void addWithGroovyShell(int x, int y) throws IOException {
Script script = shell.parse(new File("src/main/groovy/com/baeldung/", "CalcScript.groovy"));
LOG.info("Executing {} + {}", x, y);
Object result = script.invokeMethod("calcSum", new Object[] { x, y });
LOG.info("Result of CalcScript.calcSum() method is {}", result);
}
private void addWithGroovyShellRun() throws IOException {
Script script = shell.parse(new File("src/main/groovy/com/baeldung/", "CalcScript.groovy"));
LOG.info("Executing script run method");
Object result = script.run();
LOG.info("Result of CalcScript.run() method is {}", result);
}
private void addWithGroovyClassLoader(int x, int y) throws IllegalAccessException, InstantiationException, IOException {
Class calcClass = loader.parseClass(
new File("src/main/groovy/com/baeldung/", "CalcMath.groovy"));
GroovyObject calc = (GroovyObject) calcClass.newInstance();
Object result = calc.invokeMethod("calcSum", new Object[] { x + 14, y + 14 });
LOG.info("Result of CalcMath.calcSum() method is {}", result);
}
private void addWithGroovyScriptEngine(int x, int y) throws IllegalAccessException,
InstantiationException, ResourceException, ScriptException {
Class<GroovyObject> calcClass = engine.loadScriptByName("CalcMath.groovy");
GroovyObject calc = calcClass.newInstance();
//WARNING the following will throw a ClassCastException
//((CalcMath)calc).calcSum(1,2);
Object result = calc.invokeMethod("calcSum", new Object[] { x, y });
LOG.info("Result of CalcMath.calcSum() method is {}", result);
}
private void addWithEngineFactory(int x, int y) throws IllegalAccessException,
InstantiationException, javax.script.ScriptException, FileNotFoundException {
Class calcClass = (Class) engineFromFactory.eval(
new FileReader(new File("src/main/groovy/com/baeldung/", "CalcMath.groovy")));
GroovyObject calc = (GroovyObject) calcClass.newInstance();
Object result = calc.invokeMethod("calcSum", new Object[] { x, y });
LOG.info("Result of CalcMath.calcSum() method is {}", result);
}
private void addWithStaticCompiledClasses() {
LOG.info("Running the Groovy classes compiled statically...");
addWithCompiledClasses(5, 10);
}
private void addWithDynamicCompiledClasses() throws IOException, IllegalAccessException, InstantiationException,
ResourceException, ScriptException, javax.script.ScriptException {
LOG.info("Invocation of a dynamic groovy script...");
addWithGroovyShell(5, 10);
LOG.info("Invocation of the run method of a dynamic groovy script...");
addWithGroovyShellRun();
LOG.info("Invocation of a dynamic groovy class loaded with GroovyClassLoader...");
addWithGroovyClassLoader(10, 30);
LOG.info("Invocation of a dynamic groovy class loaded with GroovyScriptEngine...");
addWithGroovyScriptEngine(15, 0);
LOG.info("Invocation of a dynamic groovy class loaded with GroovyScriptEngine JSR223...");
addWithEngineFactory(5, 6);
}
public static void main(String[] args) throws InstantiationException, IllegalAccessException,
ResourceException, ScriptException, IOException, javax.script.ScriptException {
MyJointCompilationApp myJointCompilationApp = new MyJointCompilationApp();
LOG.info("Example of addition operation via Groovy scripts integration with Java.");
myJointCompilationApp.addWithStaticCompiledClasses();
myJointCompilationApp.addWithDynamicCompiledClasses();
}
}

40
core-groovy-2/src/test/groovy/com/baeldung/xml/MarkupBuilderUnitTest.groovy Normal file
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@ -0,0 +1,40 @@
package com.baeldung.xml
import groovy.xml.MarkupBuilder
import groovy.xml.XmlUtil
import spock.lang.Specification
class MarkupBuilderUnitTest extends Specification {
def xmlFile = getClass().getResource("articles_short_formatted.xml")
def "Should create XML properly"() {
given: "Node structures"
when: "Using MarkupBuilderUnitTest to create com.baeldung.xml structure"
def writer = new StringWriter()
new MarkupBuilder(writer).articles {
article {
title('First steps in Java')
author(id: '1') {
firstname('Siena')
lastname('Kerr')
}
'release-date'('2018-12-01')
}
article {
title('Dockerize your SpringBoot application')
author(id: '2') {
firstname('Jonas')
lastname('Lugo')
}
'release-date'('2018-12-01')
}
}
then: "Xml is created properly"
XmlUtil.serialize(writer.toString()) == XmlUtil.serialize(xmlFile.text)
}
}

94
core-groovy-2/src/test/groovy/com/baeldung/xml/XmlParserUnitTest.groovy Normal file
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@ -0,0 +1,94 @@
package com.baeldung.xml
import spock.lang.Shared
import spock.lang.Specification
class XmlParserUnitTest extends Specification {
def xmlFile = getClass().getResourceAsStream("articles.xml")
@Shared
def parser = new XmlParser()
def "Should read XML file properly"() {
given: "XML file"
when: "Using XmlParser to read file"
def articles = parser.parse(xmlFile)
then: "Xml is loaded properly"
articles.'*'.size() == 4
articles.article[0].author.firstname.text() == "Siena"
articles.article[2].'release-date'.text() == "2018-06-12"
articles.article[3].title.text() == "Java 12 insights"
articles.article.find { it.author.'@id'.text() == "3" }.author.firstname.text() == "Daniele"
}
def "Should add node to existing com.baeldung.xml using NodeBuilder"() {
given: "XML object"
def articles = parser.parse(xmlFile)
when: "Adding node to com.baeldung.xml"
def articleNode = new NodeBuilder().article(id: '5') {
title('Traversing XML in the nutshell')
author {
firstname('Martin')
lastname('Schmidt')
}
'release-date'('2019-05-18')
}
articles.append(articleNode)
then: "Node is added to com.baeldung.xml properly"
articles.'*'.size() == 5
articles.article[4].title.text() == "Traversing XML in the nutshell"
}
def "Should replace node"() {
given: "XML object"
def articles = parser.parse(xmlFile)
when: "Adding node to com.baeldung.xml"
def articleNode = new NodeBuilder().article(id: '5') {
title('Traversing XML in the nutshell')
author {
firstname('Martin')
lastname('Schmidt')
}
'release-date'('2019-05-18')
}
articles.article[0].replaceNode(articleNode)
then: "Node is added to com.baeldung.xml properly"
articles.'*'.size() == 4
articles.article[0].title.text() == "Traversing XML in the nutshell"
}
def "Should modify node"() {
given: "XML object"
def articles = parser.parse(xmlFile)
when: "Changing value of one of the nodes"
articles.article.each { it.'release-date'[0].value = "2019-05-18" }
then: "XML is updated"
articles.article.findAll { it.'release-date'.text() != "2019-05-18" }.isEmpty()
}
def "Should remove article from com.baeldung.xml"() {
given: "XML object"
def articles = parser.parse(xmlFile)
when: "Removing all articles but with id==3"
articles.article
.findAll { it.author.'@id'.text() != "3" }
.each { articles.remove(it) }
then: "There is only one article left"
articles.children().size() == 1
articles.article[0].author.'@id'.text() == "3"
}
}

102
core-groovy-2/src/test/groovy/com/baeldung/xml/XmlSlurperUnitTest.groovy Normal file
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@ -0,0 +1,102 @@
package com.baeldung.xml
import groovy.xml.XmlUtil
import spock.lang.Shared
import spock.lang.Specification
class XmlSlurperUnitTest extends Specification {
def xmlFile = getClass().getResourceAsStream("articles.xml")
@Shared
def parser = new XmlSlurper()
def "Should read XML file properly"() {
given: "XML file"
when: "Using XmlSlurper to read file"
def articles = parser.parse(xmlFile)
then: "Xml is loaded properly"
articles.'*'.size() == 4
articles.article[0].author.firstname == "Siena"
articles.article[2].'release-date' == "2018-06-12"
articles.article[3].title == "Java 12 insights"
articles.article.find { it.author.'@id' == "3" }.author.firstname == "Daniele"
}
def "Should add node to existing com.baeldung.xml"() {
given: "XML object"
def articles = parser.parse(xmlFile)
when: "Adding node to com.baeldung.xml"
articles.appendNode {
article(id: '5') {
title('Traversing XML in the nutshell')
author {
firstname('Martin')
lastname('Schmidt')
}
'release-date'('2019-05-18')
}
}
articles = parser.parseText(XmlUtil.serialize(articles))
then: "Node is added to com.baeldung.xml properly"
articles.'*'.size() == 5
articles.article[4].title == "Traversing XML in the nutshell"
}
def "Should modify node"() {
given: "XML object"
def articles = parser.parse(xmlFile)
when: "Changing value of one of the nodes"
articles.article.each { it.'release-date' = "2019-05-18" }
then: "XML is updated"
articles.article.findAll { it.'release-date' != "2019-05-18" }.isEmpty()
}
def "Should replace node"() {
given: "XML object"
def articles = parser.parse(xmlFile)
when: "Replacing node"
articles.article[0].replaceNode {
article(id: '5') {
title('Traversing XML in the nutshell')
author {
firstname('Martin')
lastname('Schmidt')
}
'release-date'('2019-05-18')
}
}
articles = parser.parseText(XmlUtil.serialize(articles))
then: "Node is replaced properly"
articles.'*'.size() == 4
articles.article[0].title == "Traversing XML in the nutshell"
}
def "Should remove article from com.baeldung.xml"() {
given: "XML object"
def articles = parser.parse(xmlFile)
when: "Removing all articles but with id==3"
articles.article
.findAll { it.author.'@id' != "3" }
.replaceNode {}
articles = parser.parseText(XmlUtil.serialize(articles))
then: "There is only one article left"
articles.children().size() == 1
articles.article[0].author.'@id' == "3"
}
}

34
core-groovy-2/src/test/resources/com/baeldung/xml/articles.xml Normal file
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@ -0,0 +1,34 @@
<articles>
<article>
<title>First steps in Java</title>
<author id='1'>
<firstname>Siena</firstname>
<lastname>Kerr</lastname>
</author>
<release-date>2018-12-01</release-date>
</article>
<article>
<title>Dockerize your SpringBoot application</title>
<author id='2'>
<firstname>Jonas</firstname>
<lastname>Lugo</lastname>
</author>
<release-date>2018-12-01</release-date>
</article>
<article>
<title>SpringBoot tutorial</title>
<author id='3'>
<firstname>Daniele</firstname>
<lastname>Ferguson</lastname>
</author>
<release-date>2018-06-12</release-date>
</article>
<article>
<title>Java 12 insights</title>
<author id='1'>
<firstname>Siena</firstname>
<lastname>Kerr</lastname>
</author>
<release-date>2018-07-22</release-date>
</article>
</articles>

18
core-groovy-2/src/test/resources/com/baeldung/xml/articles_short_formatted.xml Normal file
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@ -0,0 +1,18 @@
<articles>
<article>
<title>First steps in Java</title>
<author id='1'>
<firstname>Siena</firstname>
<lastname>Kerr</lastname>
</author>
<release-date>2018-12-01</release-date>
</article>
<article>
<title>Dockerize your SpringBoot application</title>
<author id='2'>
<firstname>Jonas</firstname>
<lastname>Lugo</lastname>
</author>
<release-date>2018-12-01</release-date>
</article>
</articles>

15
core-java-lang/src/main/java/com/baeldung/error/ErrorGenerator.java
View File

@ -1,15 +0,0 @@
package com.baeldung.error;
public class ErrorGenerator {
public void throwException() throws Exception {
throw new Exception("checked");
}
public void throwRuntimeException() {
throw new RuntimeException("unchecked");
}
public void throwError() {
throw new Error("unchecked");
}
}

51
core-java-lang/src/test/java/com/baeldung/error/ErrorGeneratorUnitTest.java
View File

@ -1,51 +0,0 @@
package com.baeldung.error;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class ErrorGeneratorUnitTest {
private ErrorGenerator errorGenerator;
@Before
public void setUp() {
errorGenerator = new ErrorGenerator();
}
@Test
public void whenCheckedException_thenIsCaughtByCatchException() {
try {
errorGenerator.throwException();
} catch (Exception e) {
// caught! -> test pass
}
}
@Test
public void whenUncheckedException_thenIsCaughtByCatchException() {
try {
errorGenerator.throwRuntimeException();
} catch (Exception e) {
// caught! -> test pass
}
}
@Test(expected = Error.class)
public void whenError_thenIsNotCaughtByCatchException() {
try {
errorGenerator.throwError();
} catch (Exception e) {
Assert.fail(); // errors are not caught by catch exception
}
}
@Test
public void whenError_thenIsCaughtByCatchError() {
try {
errorGenerator.throwError();
} catch (Error e) {
// caught! -> test pass
}
}
}

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

@ -1,3 +1,5 @@
## Relevant articles:
- [Multi-Module Maven Application with Java Modules](https://www.baeldung.com/maven-multi-module-project-java-jpms)
- [Guide to Java FileChannel](https://www.baeldung.com/java-filechannel)
- [Understanding the NumberFormatException in Java](https://www.baeldung.com/java-number-format-exception)

1
core-java-modules/core-java-11/README.md
View File

@ -7,4 +7,5 @@
- [Exploring the New HTTP Client in Java 9 and 11](https://www.baeldung.com/java-9-http-client)
- [An Introduction to Epsilon GC: A No-Op Experimental Garbage Collector](https://www.baeldung.com/jvm-epsilon-gc-garbage-collector)
- [Guide to jlink](https://www.baeldung.com/jlink)
- [Negate a Predicate Method Reference with Java 11](https://www.baeldung.com/java-negate-predicate-method-reference)
- [Transforming an Empty String into an Empty Optional](https://www.baeldung.com/java-empty-string-to-empty-optional)

3
core-java-modules/core-java-8-2/README.md
View File

@ -3,5 +3,6 @@
## Core Java 8 Cookbooks and Examples (part 2)
### Relevant Articles:
- [Anonymous Classes in Java](https://www.baeldung.com/java-anonymous-classes)
- [Anonymous Classes in Java](http://www.baeldung.com/)
- [How to Delay Code Execution in Java](https://www.baeldung.com/java-delay-code-execution)
- [Run JAR Application With Command Line Arguments](https://www.baeldung.com/java-run-jar-with-arguments)

1
core-java-modules/core-java-8-2/pom.xml
View File

@ -30,7 +30,6 @@
<artifactId>icu4j</artifactId>
<version>${icu.version}</version>
</dependency>
</dependencies>
<build>

34
core-java-modules/core-java-8-2/src/main/resources/META-INF/persistence.xml Normal file
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@ -0,0 +1,34 @@
<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"
version="2.0">
<persistence-unit
name="com.baeldung.optionalReturnType"
transaction-type="RESOURCE_LOCAL">
<description>Persist Optional Return Type Demo</description>
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
<class>com.baeldung.optionalReturnType.User</class>
<class>com.baeldung.optionalReturnType.UserOptional</class>
<!--
<class>com.baeldung.optionalReturnType.UserOptionalField</class>
-->
<exclude-unlisted-classes>true</exclude-unlisted-classes>
<properties>
<property name="javax.persistence.jdbc.driver"
value="org.h2.Driver" />
<property name="javax.persistence.jdbc.url"
value="jdbc:h2:mem:test" />
<property name="javax.persistence.jdbc.user" value="sa" />
<property name="javax.persistence.jdbc.password" value="" />
<property name="hibernate.dialect"
value="org.hibernate.dialect.H2Dialect" />
<property name="hibernate.hbm2ddl.auto" value="create-drop" />
<property name="show_sql" value="true" />
<property name="hibernate.temp.use_jdbc_metadata_defaults"
value="false" />
</properties>
</persistence-unit>
</persistence>

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

@ -15,3 +15,4 @@
- [Intersection Between two Integer Arrays](https://www.baeldung.com/java-array-intersection)
- [Sorting Arrays in Java](https://www.baeldung.com/java-sorting-arrays)
- [Convert a Float to a Byte Array in Java](https://www.baeldung.com/java-convert-float-to-byte-array)
- [Converting Between Stream and Array in Java](https://www.baeldung.com/java-stream-to-array)

26
core-java-modules/core-java-exceptions/src/test/java/com/baeldung/exception/error/ErrorGeneratorUnitTest.java Normal file
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@ -0,0 +1,26 @@
package com.baeldung.error;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class ErrorGeneratorUnitTest {
@Test(expected = AssertionError.class)
public void whenError_thenIsNotCaughtByCatchException() {
try {
throw new AssertionError();
} catch (Exception e) {
Assert.fail(); // errors are not caught by catch exception
}
}
@Test
public void whenError_thenIsCaughtByCatchError() {
try {
throw new AssertionError();
} catch (Error e) {
// caught! -> test pass
}
}
}

5
core-java-modules/core-java-optional/README.md Normal file
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@ -0,0 +1,5 @@
=========
## Core Java Optional
### Relevant Articles:

53
core-java-modules/core-java-optional/pom.xml Normal file
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@ -0,0 +1,53 @@
<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>
<parent>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<artifactId>core-java-optional</artifactId>
<version>0.1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
<hibernate.core.version>5.4.0.Final</hibernate.core.version>
<h2database.version>1.4.197</h2database.version>
<jackson.databind.version>2.9.8</jackson.databind.version>
</properties>
<dependencies>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>${hibernate.core.version}</version>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>${h2database.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.databind.version}</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<source>${maven.compiler.source}</source>
<target>${maven.compiler.target}</target>
</configuration>
</plugin>
</plugins>
</build>
</project>

41
core-java-modules/core-java-optional/src/main/java/com/baeldung/optionalReturnType/HandleOptionalTypeExample.java Normal file
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@ -0,0 +1,41 @@
package com.baeldung.optionalReturnType;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
public class HandleOptionalTypeExample {
static Map<String, User> usersByName = new HashMap();
static {
User user1 = new User();
user1.setUserId(1l);
user1.setFirstName("baeldung");
usersByName.put("baeldung", user1);
}
public static void main(String[] args) {
changeUserName("baeldung", "baeldung-new");
changeUserName("user", "user-new");
}
public static void changeUserName(String oldFirstName, String newFirstName) {
Optional<User> userOpt = findUserByName(oldFirstName);
if (userOpt.isPresent()) {
User user = userOpt.get();
user.setFirstName(newFirstName);
System.out.println("user with name " + oldFirstName + " is changed to " + user.getFirstName());
} else {
// user is missing
System.out.println("user with name " + oldFirstName + " is not found.");
}
}
public static Optional<User> findUserByName(String name) {
// look up the user in the database, the user object below could be null
User user = usersByName.get(name);
Optional<User> opt = Optional.ofNullable(user);
return opt;
}
}

19
core-java-modules/core-java-optional/src/main/java/com/baeldung/optionalReturnType/OptionalToJsonExample.java Normal file
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@ -0,0 +1,19 @@
package com.baeldung.optionalReturnType;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
public class OptionalToJsonExample {
public static void main(String[] args) {
UserOptional user = new UserOptional();
user.setUserId(1l);
user.setFirstName("Bael Dung");
ObjectMapper om = new ObjectMapper();
try {
System.out.print("user in json is:" + om.writeValueAsString(user));
} catch (JsonProcessingException e) {
e.printStackTrace();
}
}
}

26
core-java-modules/core-java-optional/src/main/java/com/baeldung/optionalReturnType/PersistOptionalTypeExample.java Normal file
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@ -0,0 +1,26 @@
package com.baeldung.optionalReturnType;
import java.util.Optional;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
public class PersistOptionalTypeExample {
static String persistenceUnit = "com.baeldung.optionalReturnType";
static EntityManagerFactory emf = Persistence.createEntityManagerFactory(persistenceUnit);
static EntityManager entityManager = emf.createEntityManager();
// to run this app, uncomment the follow line in META-INF/persistence.xml
// <class>com.baeldung.optionalReturnType.UserOptionalField</class>
public static void main(String[] args) {
UserOptionalField user1 = new UserOptionalField();
user1.setUserId(1l);
user1.setFirstName(Optional.of("Bael Dung"));
entityManager.persist(user1);
UserOptional user2 = entityManager.find(UserOptional.class, 1l);
System.out.print("User2.firstName:" + user2.getFirstName());
}
}

22
core-java-modules/core-java-optional/src/main/java/com/baeldung/optionalReturnType/PersistOptionalTypeExample2.java Normal file
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@ -0,0 +1,22 @@
package com.baeldung.optionalReturnType;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
public class PersistOptionalTypeExample2 {
static String persistenceUnit = "com.baeldung.optionalReturnType";
static EntityManagerFactory emf = Persistence.createEntityManagerFactory(persistenceUnit);
static EntityManager em = emf.createEntityManager();
public static void main(String[] args) {
UserOptional user1 = new UserOptional();
user1.setUserId(1l);
user1.setFirstName("Bael Dung");
em.persist(user1);
UserOptional user2 = em.find(UserOptional.class, 1l);
System.out.print("User2.firstName:" + user2.getFirstName());
}
}

22
core-java-modules/core-java-optional/src/main/java/com/baeldung/optionalReturnType/PersistUserExample.java Normal file
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@ -0,0 +1,22 @@
package com.baeldung.optionalReturnType;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
public class PersistUserExample {
static String persistenceUnit = "com.baeldung.optionalReturnType";
static EntityManagerFactory emf = Persistence.createEntityManagerFactory(persistenceUnit);
static EntityManager em = emf.createEntityManager();
public static void main(String[] args) {
User user1 = new User();
user1.setUserId(1l);
user1.setFirstName("Bael Dung");
em.persist(user1);
User user2 = em.find(User.class, 1l);
System.out.print("User2.firstName:" + user2.getFirstName());
}
}

41
core-java-modules/core-java-optional/src/main/java/com/baeldung/optionalReturnType/SerializeOptionalTypeExample.java Normal file
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@ -0,0 +1,41 @@
package com.baeldung.optionalReturnType;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.util.Optional;
public class SerializeOptionalTypeExample {
public static void main(String[] args) {
User user1 = new User();
user1.setUserId(1l);
user1.setFirstName("baeldung");
serializeObject(user1, "user1.ser");
UserOptionalField user2 = new UserOptionalField();
user2.setUserId(1l);
user2.setFirstName(Optional.of("baeldung"));
serializeObject(user2, "user2.ser");
}
public static void serializeObject(Object object, String fileName) {
// Serialization
try {
FileOutputStream file = new FileOutputStream(fileName);
ObjectOutputStream out = new ObjectOutputStream(file);
out.writeObject(object);
out.close();
file.close();
System.out.println("Object " + object.toString() + " has been serialized to file " + fileName);
} catch (IOException e) {
e.printStackTrace();
}
}
}

31
core-java-modules/core-java-optional/src/main/java/com/baeldung/optionalReturnType/User.java Normal file
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@ -0,0 +1,31 @@
package com.baeldung.optionalReturnType;
import java.io.Serializable;
import javax.persistence.Entity;
import javax.persistence.Id;
@Entity
public class User implements Serializable {
@Id
private long userId;
private String firstName;
public long getUserId() {
return userId;
}
public void setUserId(long userId) {
this.userId = userId;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
}

35
core-java-modules/core-java-optional/src/main/java/com/baeldung/optionalReturnType/UserOptional.java Normal file
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@ -0,0 +1,35 @@
package com.baeldung.optionalReturnType;
import java.io.Serializable;
import java.util.Optional;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
@Entity
public class UserOptional implements Serializable {
@Id
private long userId;
@Column(nullable = true)
private String firstName;
public long getUserId() {
return userId;
}
public void setUserId(long userId) {
this.userId = userId;
}
public Optional<String> getFirstName() {
return Optional.ofNullable(firstName);
}
public void setFirstName(String firstName) {
this.firstName = firstName;
Optional.ofNullable(firstName);
}
}

31
core-java-modules/core-java-optional/src/main/java/com/baeldung/optionalReturnType/UserOptionalField.java Normal file
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@ -0,0 +1,31 @@
package com.baeldung.optionalReturnType;
import java.io.Serializable;
import java.util.Optional;
import javax.persistence.Entity;
import javax.persistence.Id;
@Entity
public class UserOptionalField implements Serializable {
@Id
private long userId;
private Optional<String> firstName;
public long getUserId() {
return userId;
}
public void setUserId(long userId) {
this.userId = userId;
}
public Optional<String> getFirstName() {
return firstName;
}
public void setFirstName(Optional<String> firstName) {
this.firstName = firstName;
}
}

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

@ -51,4 +51,5 @@
- [Java Bitwise Operators](https://www.baeldung.com/java-bitwise-operators)
- [Guide to Creating and Running a Jar File in Java](https://www.baeldung.com/java-create-jar)
- [Making a JSON POST Request With HttpURLConnection](https://www.baeldung.com/httpurlconnection-post)
- [How to Find an Exception’s Root Cause in Java](https://www.baeldung.com/java-exception-root-cause)
- [Convert Hex to ASCII in Java](https://www.baeldung.com/java-convert-hex-to-ascii)

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

@ -16,6 +16,7 @@
<modules>
<module>pre-jpms</module>
<module>core-java-exceptions</module>
<module>core-java-optional</module>
</modules>
</project>

2
ddd/README.md
View File

@ -1,3 +1,5 @@
### Relevant articles
- [Persisting DDD Aggregates](https://www.baeldung.com/spring-persisting-ddd-aggregates)
- [Double Dispatch in DDD](https://www.baeldung.com/ddd-double-dispatch)
- [DDD Aggregates and @DomainEvents](https://www.baeldung.com/spring-data-ddd)

61
docker/docker-compose.yml Normal file
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@ -0,0 +1,61 @@
version: '3'
services:
## VOLUME CONTAINER-TO-CONTAINER AND HOST-TO-CONTAINER TEST ##
volumes-example-service:
image: alpine:latest
container_name: volumes-example-service
volumes:
- /tmp:/my-volumes/host-volume
- /home:/my-volumes/readonly-host-volume:ro
- my-named-global-volume:/my-volumes/named-global-volume
tty: true # Needed to keep the container running
another-volumes-example-service:
image: alpine:latest
container_name: another-volumes-example-service
volumes:
- my-named-global-volume:/another-path/the-same-named-global-volume
tty: true # Needed to keep the container running
## NETWORK CONTAINER-TO-CONTAINER TEST ##
network-example-service:
image: karthequian/helloworld:latest
container_name: network-example-service
networks:
- my-shared-network
another-service-in-the-same-network:
image: alpine:latest
container_name: another-service-in-the-same-network
networks:
- my-shared-network
tty: true # Needed to keep the container running
another-service-in-its-own-network:
image: alpine:latest
container_name: another-service-in-its-own-network
networks:
- my-private-network
tty: true # Needed to keep the container running
## NETWORK HOST-TO-CONTAINER TEST ##
network-example-service-available-to-host-on-port-1337:
image: karthequian/helloworld:latest
container_name: network-example-service-available-to-host-on-port-1337
networks:
- my-shared-network
ports:
- "1337:80"
volumes:
my-named-global-volume:
networks:
my-shared-network: {}
my-private-network: {}

3
java-collections-conversions/src/main/java/com/baeldung/convertToMap/ConvertToMap.java
View File

@ -15,8 +15,7 @@ public class ConvertToMap {
}
public Map<Integer, Book> listToMapWithDupKey(List<Book> books) {
return books.stream().collect(Collectors.toMap(Book::getReleaseYear, Function.identity(),
(o1, o2) -> o1));
return books.stream().collect(Collectors.toMap(Book::getReleaseYear, Function.identity(), (existing, replacement) -> existing));
}
public Map<Integer, Book> listToConcurrentMap(List<Book> books) {

7
java-collections-conversions/src/test/java/com/baeldung/convertToMap/ConvertToMapUnitTest.java
View File

@ -2,6 +2,7 @@ package com.baeldung.convertToMap;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import static org.junit.Assert.*;
@ -34,8 +35,10 @@ public class ConvertToMapUnitTest {
}
@Test
public void whenMapHasDuplicateKey_with_merge_function() {
assertTrue(convertToMap.listToMapWithDupKey(bookList).size() == 2);
public void whenMapHasDuplicateKeyThenMergeFunctionHandlesCollision() {
Map<Integer, Book> booksByYear = convertToMap.listToMapWithDupKey(bookList);
assertEquals(2, booksByYear.size());
assertEquals("0395489318", booksByYear.get(1954).getIsbn());
}
@Test

1
jee-7/README.md
View File

@ -6,3 +6,4 @@
- [A Guide to Java EE Web-Related Annotations](http://www.baeldung.com/javaee-web-annotations)
- [Introduction to Testing with Arquillian](http://www.baeldung.com/arquillian)
- [Java EE 7 Batch Processing](https://www.baeldung.com/java-ee-7-batch-processing)
- [The Difference Between CDI and EJB Singleton](https://www.baeldung.com/jee-cdi-vs-ejb-singleton)

1
jersey/README.md
View File

@ -3,3 +3,4 @@
- [Bean Validation in Jersey](https://www.baeldung.com/jersey-bean-validation)
- [Set a Response Body in JAX-RS](https://www.baeldung.com/jax-rs-response)
- [Exploring the Jersey Test Framework](https://www.baeldung.com/jersey-test)
- [Explore Jersey Request Parameters](https://www.baeldung.com/jersey-request-parameters)

1
jersey/src/test/java/com/baeldung/jersey/server/rest/FruitResourceIntegrationTest.java
View File

@ -26,6 +26,7 @@ public class FruitResourceIntegrationTest extends JerseyTest {
protected Application configure() {
enable(TestProperties.LOG_TRAFFIC);
enable(TestProperties.DUMP_ENTITY);
forceSet(TestProperties.CONTAINER_PORT, "0");
ViewApplicationConfig config = new ViewApplicationConfig();
config.register(FruitExceptionMapper.class);

1
kotlin-libraries-2/README.md
View File

@ -1,3 +1,4 @@
## Relevant articles:
- [Jackson Support for Kotlin](https://www.baeldung.com/jackson-kotlin)
- [Introduction to RxKotlin](https://www.baeldung.com/rxkotlin)

34
libraries-2/pom.xml
View File

@ -55,6 +55,39 @@
<artifactId>spring-boot-starter</artifactId>
<version>${spring-boot-starter.version}</version>
</dependency>
<!-- Dependencies for response decoder with okhttp -->
<dependency>
<groupId>com.squareup.okhttp3</groupId>
<artifactId>okhttp</artifactId>
<version>3.14.2</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.9</version>
</dependency>
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.8.5</version>
</dependency>
<dependency>
<groupId>com.squareup.okhttp3</groupId>
<artifactId>mockwebserver</artifactId>
<version>3.14.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>edu.uci.ics</groupId>
<artifactId>crawler4j</artifactId>
<version>${crawler4j.version}</version>
</dependency>
</dependencies>
<properties>
@ -62,6 +95,7 @@
<classgraph.version>4.8.28</classgraph.version>
<jbpm.version>6.0.0.Final</jbpm.version>
<picocli.version>3.9.6</picocli.version>
<crawler4j.version>4.4.0</crawler4j.version>
<spring-boot-starter.version>2.1.4.RELEASE</spring-boot-starter.version>
</properties>
</project>

22
libraries-2/src/main/java/com/baeldung/crawler4j/CrawlerStatistics.java Normal file
View File

@ -0,0 +1,22 @@
package com.baeldung.crawler4j;
public class CrawlerStatistics {
private int processedPageCount = 0;
private int totalLinksCount = 0;
public void incrementProcessedPageCount() {
processedPageCount++;
}
public void incrementTotalLinksCount(int linksCount) {
totalLinksCount += linksCount;
}
public int getProcessedPageCount() {
return processedPageCount;
}
public int getTotalLinksCount() {
return totalLinksCount;
}
}

48
libraries-2/src/main/java/com/baeldung/crawler4j/HtmlCrawler.java Normal file
View File

@ -0,0 +1,48 @@
package com.baeldung.crawler4j;
import java.util.Set;
import java.util.regex.Pattern;
import edu.uci.ics.crawler4j.crawler.Page;
import edu.uci.ics.crawler4j.crawler.WebCrawler;
import edu.uci.ics.crawler4j.parser.HtmlParseData;
import edu.uci.ics.crawler4j.url.WebURL;
public class HtmlCrawler extends WebCrawler {
private final static Pattern EXCLUSIONS = Pattern.compile(".*(\\.(css|js|xml|gif|jpg|png|mp3|mp4|zip|gz|pdf))$");
private CrawlerStatistics stats;
public HtmlCrawler(CrawlerStatistics stats) {
this.stats = stats;
}
@Override
public boolean shouldVisit(Page referringPage, WebURL url) {
String urlString = url.getURL().toLowerCase();
return !EXCLUSIONS.matcher(urlString).matches()
&& urlString.startsWith("https://www.baeldung.com/");
}
@Override
public void visit(Page page) {
String url = page.getWebURL().getURL();
stats.incrementProcessedPageCount();
if (page.getParseData() instanceof HtmlParseData) {
HtmlParseData htmlParseData = (HtmlParseData) page.getParseData();
String title = htmlParseData.getTitle();
String text = htmlParseData.getText();
String html = htmlParseData.getHtml();
Set<WebURL> links = htmlParseData.getOutgoingUrls();
stats.incrementTotalLinksCount(links.size());
System.out.printf("Page with title '%s' %n", title);
System.out.printf(" Text length: %d %n", text.length());
System.out.printf(" HTML length: %d %n", html.length());
System.out.printf(" %d outbound links %n", links.size());
}
}
}

36
libraries-2/src/main/java/com/baeldung/crawler4j/HtmlCrawlerController.java Normal file
View File

@ -0,0 +1,36 @@
package com.baeldung.crawler4j;
import java.io.File;
import edu.uci.ics.crawler4j.crawler.CrawlConfig;
import edu.uci.ics.crawler4j.crawler.CrawlController;
import edu.uci.ics.crawler4j.fetcher.PageFetcher;
import edu.uci.ics.crawler4j.robotstxt.RobotstxtConfig;
import edu.uci.ics.crawler4j.robotstxt.RobotstxtServer;
public class HtmlCrawlerController {
public static void main(String[] args) throws Exception {
File crawlStorage = new File("src/test/resources/crawler4j");
CrawlConfig config = new CrawlConfig();
config.setCrawlStorageFolder(crawlStorage.getAbsolutePath());
config.setMaxDepthOfCrawling(2);
int numCrawlers = 12;
PageFetcher pageFetcher = new PageFetcher(config);
RobotstxtConfig robotstxtConfig = new RobotstxtConfig();
RobotstxtServer robotstxtServer = new RobotstxtServer(robotstxtConfig, pageFetcher);
CrawlController controller = new CrawlController(config, pageFetcher, robotstxtServer);
controller.addSeed("https://www.baeldung.com/");
CrawlerStatistics stats = new CrawlerStatistics();
CrawlController.WebCrawlerFactory<HtmlCrawler> factory = () -> new HtmlCrawler(stats);
controller.start(factory, numCrawlers);
System.out.printf("Crawled %d pages %n", stats.getProcessedPageCount());
System.out.printf("Total Number of outbound links = %d %n", stats.getTotalLinksCount());
}
}

49
libraries-2/src/main/java/com/baeldung/crawler4j/ImageCrawler.java Normal file
View File

@ -0,0 +1,49 @@
package com.baeldung.crawler4j;
import java.io.File;
import java.util.regex.Pattern;
import edu.uci.ics.crawler4j.crawler.Page;
import edu.uci.ics.crawler4j.crawler.WebCrawler;
import edu.uci.ics.crawler4j.parser.BinaryParseData;
import edu.uci.ics.crawler4j.url.WebURL;
public class ImageCrawler extends WebCrawler {
private final static Pattern EXCLUSIONS = Pattern.compile(".*(\\.(css|js|xml|gif|png|mp3|mp4|zip|gz|pdf))$");
private static final Pattern IMG_PATTERNS = Pattern.compile(".*(\\.(jpg|jpeg))$");
private File saveDir;
public ImageCrawler(File saveDir) {
this.saveDir = saveDir;
}
@Override
public boolean shouldVisit(Page referringPage, WebURL url) {
String urlString = url.getURL().toLowerCase();
if (EXCLUSIONS.matcher(urlString).matches()) {
return false;
}
if (IMG_PATTERNS.matcher(urlString).matches()
|| urlString.startsWith("https://www.baeldung.com/")) {
return true;
}
return false;
}
@Override
public void visit(Page page) {
String url = page.getWebURL().getURL();
if (IMG_PATTERNS.matcher(url).matches()
&& page.getParseData() instanceof BinaryParseData) {
String extension = url.substring(url.lastIndexOf("."));
int contentLength = page.getContentData().length;
System.out.printf("Extension is '%s' with content length %d %n", extension, contentLength);
}
}
}

36
libraries-2/src/main/java/com/baeldung/crawler4j/ImageCrawlerController.java Normal file
View File

@ -0,0 +1,36 @@
package com.baeldung.crawler4j;
import java.io.File;
import edu.uci.ics.crawler4j.crawler.CrawlConfig;
import edu.uci.ics.crawler4j.crawler.CrawlController;
import edu.uci.ics.crawler4j.fetcher.PageFetcher;
import edu.uci.ics.crawler4j.robotstxt.RobotstxtConfig;
import edu.uci.ics.crawler4j.robotstxt.RobotstxtServer;
public class ImageCrawlerController {
public static void main(String[] args) throws Exception {
File crawlStorage = new File("src/test/resources/crawler4j");
CrawlConfig config = new CrawlConfig();
config.setCrawlStorageFolder(crawlStorage.getAbsolutePath());
config.setIncludeBinaryContentInCrawling(true);
config.setMaxPagesToFetch(500);
File saveDir = new File("src/test/resources/crawler4j");
int numCrawlers = 12;
PageFetcher pageFetcher = new PageFetcher(config);
RobotstxtConfig robotstxtConfig = new RobotstxtConfig();
RobotstxtServer robotstxtServer = new RobotstxtServer(robotstxtConfig, pageFetcher);
CrawlController controller = new CrawlController(config, pageFetcher, robotstxtServer);
controller.addSeed("https://www.baeldung.com/");
CrawlController.WebCrawlerFactory<ImageCrawler> factory = () -> new ImageCrawler(saveDir);
controller.start(factory, numCrawlers);
}
}

54
libraries-2/src/main/java/com/baeldung/crawler4j/MultipleCrawlerController.java Normal file
View File

@ -0,0 +1,54 @@
package com.baeldung.crawler4j;
import java.io.File;
import edu.uci.ics.crawler4j.crawler.CrawlConfig;
import edu.uci.ics.crawler4j.crawler.CrawlController;
import edu.uci.ics.crawler4j.fetcher.PageFetcher;
import edu.uci.ics.crawler4j.robotstxt.RobotstxtConfig;
import edu.uci.ics.crawler4j.robotstxt.RobotstxtServer;
public class MultipleCrawlerController {
public static void main(String[] args) throws Exception {
File crawlStorageBase = new File("src/test/resources/crawler4j");
CrawlConfig htmlConfig = new CrawlConfig();
CrawlConfig imageConfig = new CrawlConfig();
htmlConfig.setCrawlStorageFolder(new File(crawlStorageBase, "html").getAbsolutePath());
imageConfig.setCrawlStorageFolder(new File(crawlStorageBase, "image").getAbsolutePath());
imageConfig.setIncludeBinaryContentInCrawling(true);
htmlConfig.setMaxPagesToFetch(500);
imageConfig.setMaxPagesToFetch(1000);
PageFetcher pageFetcherHtml = new PageFetcher(htmlConfig);
PageFetcher pageFetcherImage = new PageFetcher(imageConfig);
RobotstxtConfig robotstxtConfig = new RobotstxtConfig();
RobotstxtServer robotstxtServer = new RobotstxtServer(robotstxtConfig, pageFetcherHtml);
CrawlController htmlController = new CrawlController(htmlConfig, pageFetcherHtml, robotstxtServer);
CrawlController imageController = new CrawlController(imageConfig, pageFetcherImage, robotstxtServer);
htmlController.addSeed("https://www.baeldung.com/");
imageController.addSeed("https://www.baeldung.com/");
CrawlerStatistics stats = new CrawlerStatistics();
CrawlController.WebCrawlerFactory<HtmlCrawler> htmlFactory = () -> new HtmlCrawler(stats);
File saveDir = new File("src/test/resources/crawler4j");
CrawlController.WebCrawlerFactory<ImageCrawler> imageFactory = () -> new ImageCrawler(saveDir);
imageController.startNonBlocking(imageFactory, 7);
htmlController.startNonBlocking(htmlFactory, 10);
htmlController.waitUntilFinish();
System.out.printf("Crawled %d pages %n", stats.getProcessedPageCount());
System.out.printf("Total Number of outbound links = %d %n", stats.getTotalLinksCount());
imageController.waitUntilFinish();
System.out.printf("Image Crawler is finished.");
}
}

102
libraries-2/src/test/java/com/baeldung/okhttp/ResponseDecoderUnitTest.java Normal file
View File

@ -0,0 +1,102 @@
package com.baeldung.okhttp;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.gson.Gson;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.ResponseBody;
import okhttp3.mockwebserver.MockResponse;
import okhttp3.mockwebserver.MockWebServer;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import java.io.InputStreamReader;
public class ResponseDecoderUnitTest {
@Rule public ExpectedException exceptionRule = ExpectedException.none();
@Rule public MockWebServer server = new MockWebServer();
SimpleEntity sampleResponse;
MockResponse mockResponse;
OkHttpClient client;
@Before
public void setUp() {
sampleResponse = new SimpleEntity("Baeldung");
client = new OkHttpClient.Builder().build();
mockResponse = new MockResponse()
.setResponseCode(200)
.setHeader("Content-Type", "application/json")
.setBody(new Gson().toJson(sampleResponse));
}
@Test
public void givenJacksonDecoder_whenGetStringOfResponse_thenExpectSimpleEntity() throws Exception {
server.enqueue(mockResponse);
Request request = new Request.Builder()
.url(server.url(""))
.build();
ResponseBody responseBody = client
.newCall(request)
.execute()
.body();
Assert.assertNotNull(responseBody);
Assert.assertNotEquals(0, responseBody.contentLength());
ObjectMapper objectMapper = new ObjectMapper();
SimpleEntity entity = objectMapper.readValue(responseBody.string(), SimpleEntity.class);
Assert.assertNotNull(entity);
Assert.assertEquals(sampleResponse.getName(), entity.getName());
}
@Test
public void givenGsonDecoder_whenGetByteStreamOfResponse_thenExpectSimpleEntity() throws Exception {
server.enqueue(mockResponse);
Request request = new Request.Builder()
.url(server.url(""))
.build();
ResponseBody responseBody = client
.newCall(request)
.execute()
.body();
Assert.assertNotNull(responseBody);
Assert.assertNotEquals(0, responseBody.contentLength());
Gson gson = new Gson();
SimpleEntity entity = gson.fromJson(new InputStreamReader(responseBody.byteStream()), SimpleEntity.class);
Assert.assertNotNull(entity);
Assert.assertEquals(sampleResponse.getName(), entity.getName());
}
@Test
public void givenGsonDecoder_whenGetStringOfResponse_thenExpectSimpleEntity() throws Exception {
server.enqueue(mockResponse);
Request request = new Request.Builder()
.url(server.url(""))
.build();
ResponseBody responseBody = client
.newCall(request)
.execute()
.body();
Assert.assertNotNull(responseBody);
Gson gson = new Gson();
SimpleEntity entity = gson.fromJson(responseBody.string(), SimpleEntity.class);
Assert.assertNotNull(entity);
Assert.assertEquals(sampleResponse.getName(), entity.getName());
}
}

22
libraries-2/src/test/java/com/baeldung/okhttp/SimpleEntity.java Normal file
View File

@ -0,0 +1,22 @@
package com.baeldung.okhttp;
public class SimpleEntity {
protected String name;
public SimpleEntity(String name) {
this.name = name;
}
//no-arg constructor, getters and setters here
public SimpleEntity() {
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}

2
logging-modules/log4j2/pom.xml
View File

@ -78,7 +78,7 @@
<profiles>
<profile>
<id>integration</id>
<id>integration-lite-first</id>
<build>
<plugins>
<plugin>

2
logging-modules/log4j2/src/test/java/com/baeldung/logging/log4j2/appender/MapAppenderIntegrationTest.java
View File

@ -23,7 +23,7 @@ public class MapAppenderIntegrationTest {
@Test
public void whenLoggerEmitsLoggingEvent_thenAppenderReceivesEvent() throws Exception {
logger.info("Test from {}", this.getClass()
logger.error("Error log message from {}", this.getClass()
.getSimpleName());
LoggerContext context = LoggerContext.getContext(false);
Configuration config = context.getConfiguration();

2
persistence-modules/core-java-persistence/src/test/java/com/baeldung/jdbc/joins/ArticleWithAuthorDAOIntegrationTest.java → persistence-modules/core-java-persistence/src/test/java/com/baeldung/jdbc/joins/ArticleWithAuthorDAOLiveTest.java
View File

@ -12,7 +12,7 @@ import java.util.List;
import static org.assertj.core.api.Assertions.assertThat;
public class ArticleWithAuthorDAOIntegrationTest {
public class ArticleWithAuthorDAOLiveTest {
private Connection connection;
private ArticleWithAuthorDAO articleWithAuthorDAO;

31
persistence-modules/hibernate-mapping/pom.xml
View File

@ -5,9 +5,9 @@
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<artifactId>persistence-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../../</relativePath>
<relativePath>..</relativePath>
</parent>
<artifactId>hibernate-mapping</artifactId>
@ -31,22 +31,28 @@
<artifactId>h2</artifactId>
<version>${h2.version}</version>
</dependency>
<!-- validation -->
<!-- validation -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>${hibernate-validator.version}</version>
</dependency>
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<version>${javax.el-api.version}</version>
</dependency>
<dependency>
<groupId>org.glassfish</groupId>
<artifactId>javax.el</artifactId>
<version>${org.glassfish.javax.el.version}</version>
</dependency>
<dependency>
<groupId>javax.money</groupId>
<artifactId>money-api</artifactId>
<version>1.0.3</version>
</dependency>
<dependency>
<groupId>org.javamoney</groupId>
<artifactId>moneta</artifactId>
<version>1.3</version>
<type>pom</type>
</dependency>
</dependencies>
<build>
@ -60,11 +66,10 @@
</build>
<properties>
<hibernate.version>5.3.7.Final</hibernate.version>
<hibernate.version>5.3.10.Final</hibernate.version>
<assertj-core.version>3.8.0</assertj-core.version>
<hibernate-validator.version>5.3.3.Final</hibernate-validator.version>
<javax.el-api.version>2.2.5</javax.el-api.version>
<org.glassfish.javax.el.version>3.0.1-b08</org.glassfish.javax.el.version>
<hibernate-validator.version>6.0.16.Final</hibernate-validator.version>
<org.glassfish.javax.el.version>3.0.1-b11</org.glassfish.javax.el.version>
</properties>
</project>
</project>

4
persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkey/User.java
View File

@ -4,8 +4,11 @@ import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.validation.constraints.Size;
import javax.money.MonetaryAmount;
import org.hibernate.validator.constraints.Length;
import org.hibernate.validator.constraints.CreditCardNumber;
import org.hibernate.validator.constraints.Currency;
@Entity
public class User {
@ -62,5 +65,4 @@ public class User {
public void setCity(String city) {
this.city = city;
}
}

290
persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/validation/UserAdditionalValidationUnitTest.java Normal file
View File

@ -0,0 +1,290 @@
package com.baeldung.hibernate.validation;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.math.BigDecimal;
import java.time.Duration;
import java.util.Set;
import javax.money.CurrencyContextBuilder;
import javax.money.Monetary;
import javax.money.MonetaryAmount;
import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;
import javax.validation.ValidatorFactory;
import org.hibernate.validator.constraints.CodePointLength;
import org.hibernate.validator.constraints.CreditCardNumber;
import org.hibernate.validator.constraints.Currency;
import org.hibernate.validator.constraints.Length;
import org.hibernate.validator.constraints.LuhnCheck;
import org.hibernate.validator.constraints.Range;
import org.hibernate.validator.constraints.SafeHtml;
import org.hibernate.validator.constraints.ScriptAssert;
import org.hibernate.validator.constraints.URL;
import org.hibernate.validator.constraints.time.DurationMax;
import org.hibernate.validator.constraints.time.DurationMin;
import org.javamoney.moneta.CurrencyUnitBuilder;
import org.javamoney.moneta.Money;
import org.junit.BeforeClass;
import org.junit.Test;
public class UserAdditionalValidationUnitTest {
private static Validator validator;
private Set<ConstraintViolation<AdditionalValidations>> constraintViolations;
@BeforeClass
public static void before() {
ValidatorFactory config = Validation.buildDefaultValidatorFactory();
validator = config.getValidator();
}
@Test
public void whenValidationWithCCNAndNullCCN_thenNoConstraintViolation() {
AdditionalValidations validations = new AdditionalValidations();
constraintViolations = validator.validateProperty(validations, "creditCardNumber");
assertTrue(constraintViolations.isEmpty());
}
@Test
public void whenValidationWithCCNAndValidCCN_thenNoConstraintViolation() {
AdditionalValidations validations = new AdditionalValidations();
validations.setCreditCardNumber("79927398713");
constraintViolations = validator.validateProperty(validations, "creditCardNumber");
assertTrue(constraintViolations.isEmpty());
}
@Test
public void whenValidationWithCCNAndInvalidCCN_thenConstraintViolation() {
AdditionalValidations validations = new AdditionalValidations();
validations.setCreditCardNumber("79927398714");
constraintViolations = validator.validateProperty(validations, "creditCardNumber");
assertEquals(constraintViolations.size(), 2);
}
@Test
public void whenValidationWithCCNAndValidCCNWithDashes_thenConstraintViolation() {
AdditionalValidations validations = new AdditionalValidations();
validations.setCreditCardNumber("7992-7398-713");
constraintViolations = validator.validateProperty(validations, "creditCardNumber");
assertEquals(1, constraintViolations.size());
}
@Test
public void whenValidationWithLenientCCNAndValidCCNWithDashes_thenNoConstraintViolation() {
AdditionalValidations validations = new AdditionalValidations();
validations.setLenientCreditCardNumber("7992-7398-713");
constraintViolations = validator.validateProperty(validations, "lenientCreditCardNumber");
assertTrue(constraintViolations.isEmpty());
}
@Test
public void whenMonetaryAmountWithRightCurrency_thenNoConstraintViolation() {
AdditionalValidations bean = new AdditionalValidations();
bean.setBalance(Money.of(new BigDecimal(100.0), Monetary.getCurrency("EUR")));
constraintViolations = validator.validateProperty(bean, "balance");
assertEquals(0, constraintViolations.size());
}
@Test
public void whenMonetaryAmountWithWrongCurrency_thenConstraintViolation() {
AdditionalValidations validations = new AdditionalValidations();
validations.setBalance(Money.of(new BigDecimal(100.0), Monetary.getCurrency("USD")));
constraintViolations = validator.validateProperty(validations, "balance");
assertEquals(1, constraintViolations.size());
}
@Test
public void whenDurationShorterThanMin_thenConstraintViolation() {
AdditionalValidations bean = new AdditionalValidations();
bean.setDuration(Duration.ofDays(1).plusHours(1));
constraintViolations = validator.validateProperty(bean, "duration");
assertEquals(1, constraintViolations.size());
}
@Test
public void whenDurationLongerThanMax_thenConstraintViolation() {
AdditionalValidations bean = new AdditionalValidations();
bean.setDuration(Duration.ofDays(2).plusHours(3));
constraintViolations = validator.validateProperty(bean, "duration");
assertEquals(1, constraintViolations.size());
}
@Test
public void whenDurationBetweenMinAndMax_thenNoConstraintViolation() {
AdditionalValidations bean = new AdditionalValidations();
bean.setDuration(Duration.ofDays(2));
constraintViolations = validator.validateProperty(bean, "duration");
assertEquals(0, constraintViolations.size());
}
@Test
public void whenValueBelowRangeMin_thenConstraintViolation() {
AdditionalValidations bean = new AdditionalValidations();
bean.setPercent(new BigDecimal("-1.4"));
constraintViolations = validator.validateProperty(bean, "percent");
assertEquals(1, constraintViolations.size());
}
@Test
public void whenValueAboveRangeMax_thenConstraintViolation() {
AdditionalValidations bean = new AdditionalValidations();
bean.setPercent(new BigDecimal("100.03"));
constraintViolations = validator.validateProperty(bean, "percent");
assertEquals(1, constraintViolations.size());
}
@Test
public void whenValueInRange_thenNoConstraintViolation() {
AdditionalValidations bean = new AdditionalValidations();
bean.setPercent(new BigDecimal("53.23"));
constraintViolations = validator.validateProperty(bean, "percent");
assertEquals(0, constraintViolations.size());
}
@Test
public void whenLengthInRange_thenNoConstraintViolation() {
AdditionalValidations bean = new AdditionalValidations();
bean.setSomeString("aaa");
constraintViolations = validator.validateProperty(bean, "someString");
assertEquals(0, constraintViolations.size());
}
@Test
public void whenCodePointLengthNotInRange_thenConstraintViolation() {
AdditionalValidations bean = new AdditionalValidations();
bean.setSomeString("aa\uD835\uDD0A");
constraintViolations = validator.validateProperty(bean, "someString");
assertEquals(1, constraintViolations.size());
}
@Test
public void whenValidUrlWithWrongProtocol_thenConstraintViolation() {
AdditionalValidations bean = new AdditionalValidations();
bean.setUrl("https://www.google.com/");
constraintViolations = validator.validateProperty(bean, "url");
assertEquals(0, constraintViolations.size());
bean.setUrl("http://www.google.com/");
constraintViolations = validator.validateProperty(bean, "url");
assertEquals(1, constraintViolations.size());
bean.setUrl("https://foo:bar");
constraintViolations = validator.validateProperty(bean, "url");
assertEquals(1, constraintViolations.size());
}
@Test
public void whenScriptAssertFails_thenConstraintViolation() {
AdditionalValidations bean = new AdditionalValidations();
constraintViolations = validator.validate(bean);
assertEquals(0, constraintViolations.size());
bean.setValid(false);
constraintViolations = validator.validate(bean);
assertEquals(1, constraintViolations.size());
constraintViolations = validator.validateProperty(bean, "valid");
assertEquals(0, constraintViolations.size());
}
@ScriptAssert(lang = "nashorn", script = "_this.valid")
public class AdditionalValidations {
private boolean valid = true;
@CreditCardNumber
@LuhnCheck(startIndex = 0, endIndex = Integer.MAX_VALUE, checkDigitIndex = -1)
private String creditCardNumber;
@CreditCardNumber(ignoreNonDigitCharacters = true)
private String lenientCreditCardNumber;
@Currency("EUR")
private MonetaryAmount balance;
@DurationMin(days = 1, hours = 2)
@DurationMax(days = 2, hours = 1)
private Duration duration;
@Range(min = 0, max = 100)
private BigDecimal percent;
@Length(min = 1, max = 3)
@CodePointLength(min = 1, max = 3)
private String someString;
@URL(protocol = "https")
private String url;
public String getCreditCardNumber() {
return creditCardNumber;
}
public void setCreditCardNumber(String creditCardNumber) {
this.creditCardNumber = creditCardNumber;
}
public String getLenientCreditCardNumber() {
return lenientCreditCardNumber;
}
public void setLenientCreditCardNumber(String lenientCreditCardNumber) {
this.lenientCreditCardNumber = lenientCreditCardNumber;
}
public MonetaryAmount getBalance() {
return balance;
}
public void setBalance(MonetaryAmount balance) {
this.balance = balance;
}
public Duration getDuration() {
return duration;
}
public void setDuration(Duration duration) {
this.duration = duration;
}
public BigDecimal getPercent() {
return percent;
}
public void setPercent(BigDecimal percent) {
this.percent = percent;
}
public String getSomeString() {
return someString;
}
public void setSomeString(String someString) {
this.someString = someString;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public boolean isValid() {
return valid;
}
public void setValid(boolean valid) {
this.valid = valid;
}
}
}

8
persistence-modules/hibernate5/src/test/java/com/baeldung/hibernate/DynamicMappingIntegrationTest.java
View File

@ -122,14 +122,10 @@ public class DynamicMappingIntegrationTest {
Employee employee = session.get(Employee.class, 1);
assertThat(employee.getGrossIncome()).isEqualTo(10_000);
session.close();
session = HibernateUtil.getSessionFactory().openSession();
transaction = session.beginTransaction();
session.disableFilter("incomeLevelFilter");
employees = session.createQuery("from Employee").getResultList();
assertThat(employees).hasSize(0);
assertThat(employees).hasSize(3);
}

1
persistence-modules/java-cassandra/pom.xml
View File

@ -39,6 +39,7 @@
<!-- Cassandra -->
<cassandra-driver-core.version>3.1.2</cassandra-driver-core.version>
<cassandra-unit.version>3.1.1.0</cassandra-unit.version>
<guava.version>18.0</guava.version>
</properties>
</project>

2
persistence-modules/java-jpa/README.md
View File

@ -8,6 +8,8 @@
- [Converting Between LocalDate and SQL Date](https://www.baeldung.com/java-convert-localdate-sql-date)
- [Combining JPA And/Or Criteria Predicates](https://www.baeldung.com/jpa-and-or-criteria-predicates)
- [Types of JPA Queries](https://www.baeldung.com/jpa-queries)
- [JPA/Hibernate Projections](https://www.baeldung.com/jpa-hibernate-projections)
- [Composite Primary Keys in JPA](https://www.baeldung.com/jpa-composite-primary-keys)
- [Defining JPA Entities](https://www.baeldung.com/jpa-entities)
- [JPA @Basic Annotation](https://www.baeldung.com/jpa-basic-annotation)
- [Default Column Values in JPA](https://www.baeldung.com/jpa-default-column-values)

1
persistence-modules/java-mongodb/README.md
View File

@ -3,3 +3,4 @@
- [A Guide to MongoDB with Java](http://www.baeldung.com/java-mongodb)
- [A Simple Tagging Implementation with MongoDB](http://www.baeldung.com/mongodb-tagging)
- [MongoDB BSON Guide](https://www.baeldung.com/mongodb-bson)
- [Geospatial Support in MongoDB](https://www.baeldung.com/mongodb-geospatial-support)

5
persistence-modules/spring-data-jpa-2/README.md
View File

@ -1,7 +1,3 @@
=========
## Spring Data JPA Example Project
### Relevant Articles:
- [Spring Data JPA – Derived Delete Methods](https://www.baeldung.com/spring-data-jpa-deleteby)
- [JPA Join Types](https://www.baeldung.com/jpa-join-types)
@ -15,3 +11,4 @@
- [Spring Data JPA and Named Entity Graphs](https://www.baeldung.com/spring-data-jpa-named-entity-graphs)
- [Batch Insert/Update with Hibernate/JPA](https://www.baeldung.com/jpa-hibernate-batch-insert-update)
- [Difference Between save() and saveAndFlush() in Spring Data JPA](https://www.baeldung.com/spring-data-jpa-save-saveandflush)
- [Derived Query Methods in Spring Data JPA Repositories](https://www.baeldung.com/spring-data-derived-queries)

34
pom.xml
View File

@ -123,17 +123,22 @@
</excludes>
</configuration>
<dependencies>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<version>${junit-jupiter.version}</version>
</dependency>
<dependency>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
<version>${junit-jupiter.version}</version>
</dependency>
</dependencies>
<dependency>
<groupId>org.junit.platform</groupId>
<artifactId>junit-platform-surefire-provider</artifactId>
<version>${junit-platform.version}</version>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<version>${junit-jupiter.version}</version>
</dependency>
<dependency>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
<version>${junit-jupiter.version}</version>
</dependency>
</dependencies>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
@ -641,6 +646,7 @@
<module>spring-boot-ops-2</module>
<module>spring-boot-rest</module>
<module>spring-boot-data</module>
<module>spring-boot-parent</module>
<module>spring-boot-property-exp</module>
<module>spring-boot-security</module>
<module>spring-boot-testing</module>
@ -921,6 +927,7 @@
<module>spring-vault</module>
<module>spring-vertx</module>
<module>spring-zuul/spring-zuul-foos-resource</module>
<module>persistence-modules/hibernate-mapping</module>
<module>persistence-modules/spring-data-dynamodb</module>
<module>persistence-modules/spring-data-eclipselink</module>
<module>persistence-modules/spring-data-solr</module>
@ -1305,6 +1312,7 @@
<module>spring-boot-ops-2</module>
<module>spring-boot-rest</module>
<module>spring-boot-data</module>
<module>spring-boot-parent</module>
<module>spring-boot-property-exp</module>
<module>spring-boot-security</module>
<module>spring-boot-vue</module>
@ -1550,8 +1558,8 @@
<jstl.version>1.2</jstl.version>
<jackson.version>2.9.8</jackson.version>
<commons-fileupload.version>1.3</commons-fileupload.version>
<junit-platform.version>1.4.2</junit-platform.version>
<junit-jupiter.version>5.4.2</junit-jupiter.version>
<junit-platform.version>1.2.0</junit-platform.version>
<junit-jupiter.version>5.2.0</junit-jupiter.version>
<directory-maven-plugin.version>0.3.1</directory-maven-plugin.version>
<maven-install-plugin.version>2.5.1</maven-install-plugin.version>
<custom-pmd.version>0.0.1</custom-pmd.version>

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

@ -3,3 +3,4 @@
- [Spring Boot Reactor Netty Configuration](https://www.baeldung.com/spring-boot-reactor-netty)
- [How to Return 404 with Spring WebFlux](https://www.baeldung.com/spring-webflux-404)
- [Spring WebClient Requests with Parameters](https://www.baeldung.com/webflux-webclient-parameters)
- [RSocket Using Spring Boot](https://www.baeldung.com/spring-boot-rsocket)

10
spring-boot-autoconfiguration/src/main/java/com/baeldung/autoconfiguration/service/CustomService.java Normal file
View File

@ -0,0 +1,10 @@
package com.baeldung.autoconfiguration.service;
public class CustomService implements SimpleService {
@Override
public String serve() {
return "Custom Service";
}
}

10
spring-boot-autoconfiguration/src/main/java/com/baeldung/autoconfiguration/service/DefaultService.java Normal file
View File

@ -0,0 +1,10 @@
package com.baeldung.autoconfiguration.service;
public class DefaultService implements SimpleService {
@Override
public String serve() {
return "Default Service";
}
}

7
spring-boot-autoconfiguration/src/main/java/com/baeldung/autoconfiguration/service/SimpleService.java Normal file
View File

@ -0,0 +1,7 @@
package com.baeldung.autoconfiguration.service;
public interface SimpleService {
public String serve();
}

77
spring-boot-autoconfiguration/src/test/java/com/baeldung/autoconfiguration/ConditionalOnBeanIntegrationTest.java Normal file
View File

@ -0,0 +1,77 @@
package com.baeldung.autoconfiguration;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.jupiter.api.Test;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
public class ConditionalOnBeanIntegrationTest {
private final ApplicationContextRunner contextRunner = new ApplicationContextRunner();
@Test
public void whenDependentBeanIsPresent_thenConditionalBeanCreated() {
this.contextRunner.withUserConfiguration(BasicConfiguration.class, ConditionalOnBeanConfiguration.class)
.run((context) -> {
assertThat(context).hasBean("created");
assertThat(context).getBean("created")
.isEqualTo("This is always created");
assertThat(context).hasBean("createOnBean");
assertThat(context).getBean("createOnBean")
.isEqualTo("This is created when bean (name=created) is present");
});
}
@Test
public void whenDependentBeanIsPresent_thenConditionalMissingBeanIgnored() {
this.contextRunner.withUserConfiguration(BasicConfiguration.class, ConditionalOnMissingBeanConfiguration.class)
.run((context) -> {
assertThat(context).hasBean("created");
assertThat(context).getBean("created")
.isEqualTo("This is always created");
assertThat(context).doesNotHaveBean("createOnMissingBean");
});
}
@Test
public void whenDependentBeanIsNotPresent_thenConditionalMissingBeanCreated() {
this.contextRunner.withUserConfiguration(ConditionalOnMissingBeanConfiguration.class)
.run((context) -> {
assertThat(context).hasBean("createOnMissingBean");
assertThat(context).getBean("createOnMissingBean")
.isEqualTo("This is created when bean (name=created) is missing");
assertThat(context).doesNotHaveBean("created");
});
}
@Configuration
protected static class BasicConfiguration {
@Bean
public String created() {
return "This is always created";
}
}
@Configuration
@ConditionalOnBean(name = "created")
protected static class ConditionalOnBeanConfiguration {
@Bean
public String createOnBean() {
return "This is created when bean (name=created) is present";
}
}
@Configuration
@ConditionalOnMissingBean(name = "created")
protected static class ConditionalOnMissingBeanConfiguration {
@Bean
public String createOnMissingBean() {
return "This is created when bean (name=created) is missing";
}
}
}

76
spring-boot-autoconfiguration/src/test/java/com/baeldung/autoconfiguration/ConditionalOnClassIntegrationTest.java Normal file
View File

@ -0,0 +1,76 @@
package com.baeldung.autoconfiguration;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.jupiter.api.Test;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingClass;
import org.springframework.boot.test.context.FilteredClassLoader;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
public class ConditionalOnClassIntegrationTest {
private final ApplicationContextRunner contextRunner = new ApplicationContextRunner();
@Test
public void whenDependentClassIsPresent_thenBeanCreated() {
this.contextRunner.withUserConfiguration(ConditionalOnClassConfiguration.class)
.run(context -> {
assertThat(context).hasBean("created");
assertThat(context.getBean("created")).isEqualTo("This is created when ConditionalOnClassIntegrationTest is present on the classpath");
});
}
@Test
public void whenDependentClassIsPresent_thenBeanMissing() {
this.contextRunner.withUserConfiguration(ConditionalOnMissingClassConfiguration.class)
.run(context -> {
assertThat(context).doesNotHaveBean("missed");
});
}
@Test
public void whenDependentClassIsNotPresent_thenBeanMissing() {
this.contextRunner.withUserConfiguration(ConditionalOnClassConfiguration.class)
.withClassLoader(new FilteredClassLoader(ConditionalOnClassIntegrationTest.class))
.run((context) -> {
assertThat(context).doesNotHaveBean("created");
assertThat(context).doesNotHaveBean(ConditionalOnClassIntegrationTest.class);
});
}
@Test
public void whenDependentClassIsNotPresent_thenBeanCreated() {
this.contextRunner.withUserConfiguration(ConditionalOnMissingClassConfiguration.class)
.withClassLoader(new FilteredClassLoader(ConditionalOnClassIntegrationTest.class))
.run((context) -> {
assertThat(context).hasBean("missed");
assertThat(context).getBean("missed")
.isEqualTo("This is missed when ConditionalOnClassIntegrationTest is present on the classpath");
assertThat(context).doesNotHaveBean(ConditionalOnClassIntegrationTest.class);
});
}
@Configuration
@ConditionalOnClass(ConditionalOnClassIntegrationTest.class)
protected static class ConditionalOnClassConfiguration {
@Bean
public String created() {
return "This is created when ConditionalOnClassIntegrationTest is present on the classpath";
}
}
@Configuration
@ConditionalOnMissingClass("com.baeldung.autoconfiguration.ConditionalOnClassIntegrationTest")
protected static class ConditionalOnMissingClassConfiguration {
@Bean
public String missed() {
return "This is missed when ConditionalOnClassIntegrationTest is present on the classpath";
}
}
}

64
spring-boot-autoconfiguration/src/test/java/com/baeldung/autoconfiguration/ConditionalOnPropertyIntegrationTest.java Normal file
View File

@ -0,0 +1,64 @@
package com.baeldung.autoconfiguration;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.jupiter.api.Test;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.context.TestPropertySource;
import com.baeldung.autoconfiguration.service.CustomService;
import com.baeldung.autoconfiguration.service.DefaultService;
import com.baeldung.autoconfiguration.service.SimpleService;
public class ConditionalOnPropertyIntegrationTest {
private final ApplicationContextRunner contextRunner = new ApplicationContextRunner();
@Test
public void whenGivenCustomPropertyValue_thenCustomServiceCreated() {
this.contextRunner.withPropertyValues("com.baeldung.service=custom")
.withUserConfiguration(SimpleServiceConfiguration.class)
.run(context -> {
assertThat(context).hasBean("customService");
SimpleService simpleService = context.getBean(CustomService.class);
assertThat(simpleService.serve()).isEqualTo("Custom Service");
assertThat(context).doesNotHaveBean("defaultService");
});
}
@Test
public void whenGivenDefaultPropertyValue_thenDefaultServiceCreated() {
this.contextRunner.withPropertyValues("com.baeldung.service=default")
.withUserConfiguration(SimpleServiceConfiguration.class)
.run(context -> {
assertThat(context).hasBean("defaultService");
SimpleService simpleService = context.getBean(DefaultService.class);
assertThat(simpleService.serve()).isEqualTo("Default Service");
assertThat(context).doesNotHaveBean("customService");
});
}
@Configuration
@TestPropertySource("classpath:ConditionalOnPropertyTest.properties")
protected static class SimpleServiceConfiguration {
@Bean
@ConditionalOnProperty(name = "com.baeldung.service", havingValue = "default")
@ConditionalOnMissingBean
public DefaultService defaultService() {
return new DefaultService();
}
@Bean
@ConditionalOnProperty(name = "com.baeldung.service", havingValue = "custom")
@ConditionalOnMissingBean
public CustomService customService() {
return new CustomService();
}
}
}

1
spring-boot-autoconfiguration/src/test/resources/ConditionalOnPropertyTest.properties Normal file
View File

@ -0,0 +1 @@
com.baeldung.service=custom

4
spring-boot-flowable/src/main/resources/processes/article-workflow.bpmn20.xml
View File

@ -38,12 +38,12 @@
</sequenceFlow>
<serviceTask id="tutorialApproved"
name="Publish the approved tutorial."
flowable:class="com.sapient.learning.service.PublishArticleService" />
flowable:class="com.baeldung.service.PublishArticleService" />
<sequenceFlow sourceRef="tutorialApproved"
targetRef="end" />
<serviceTask id="tutorialRejected"
name="Send out rejection email"
flowable:class="com.sapient.learning.service.SendMailService" />
flowable:class="com.baeldung.service.SendMailService" />
<sequenceFlow sourceRef="tutorialRejected"
targetRef="end" />
<endEvent id="end" />

6
spring-boot-flowable/src/test/java/com/baeldung/processes/ArticleWorkflowUnitTest.java → spring-boot-flowable/src/test/java/com/baeldung/processes/ArticleWorkflowIntegrationTest.java
View File

@ -13,11 +13,11 @@ import org.flowable.task.api.Task;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.junit.jupiter.SpringExtension;
import org.springframework.boot.test.context.SpringBootTest;
@ExtendWith(FlowableSpringExtension.class)
@ExtendWith(SpringExtension.class)
public class ArticleWorkflowUnitTest {
@SpringBootTest
public class ArticleWorkflowIntegrationTest {
@Autowired
private RuntimeService runtimeService;
@Autowired

3
spring-boot-ops-2/README.MD
View File

@ -1,3 +1,4 @@
### Relevant Articles
- [How to Configure Spring Boot Tomcat](https://www.baeldung.com/spring-boot-configure-tomcat)
- [How to Configure Spring Boot Tomcat](https://www.baeldung.com/spring-boot-configure-tomcat)
- [Spring Boot Embedded Tomcat Logs](https://www.baeldung.com/spring-boot-embedded-tomcat-logs)

26
spring-boot-parent/pom.xml Normal file
View File

@ -0,0 +1,26 @@
<?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>
<groupId>com.baeldung</groupId>
<artifactId>spring-boot-parent</artifactId>
<version>1.0.0-SNAPSHOT</version>
<name>spring-boot-parent</name>
<description>spring-boot-parent</description>
<packaging>pom</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>..</relativePath>
</parent>
<modules>
<module>spring-boot-with-starter-parent</module>
<module>spring-boot-with-custom-parent</module>
</modules>
</project>

41
spring-boot-parent/spring-boot-with-custom-parent/pom.xml Normal file
View File

@ -0,0 +1,41 @@
<?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-with-custom-parent</artifactId>
<version>1.0.0-SNAPSHOT</version>
<name>spring-boot-with-custom-parent</name>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>spring-boot-parent</artifactId>
<version>1.0.0-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>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
</dependencies>
<properties>
<java.version>1.8</java.version>
<spring-boot.version>2.1.5.RELEASE</spring-boot.version>
</properties>
</project>

13
spring-boot-parent/spring-boot-with-custom-parent/src/main/java/com/baeldung/customparent/SpringBootStarterCustomParentApplication.java Normal file
View File

@ -0,0 +1,13 @@
package com.baeldung.customparent;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class SpringBootStarterCustomParentApplication {
public static void main(String[] args) {
SpringApplication.run(SpringBootStarterCustomParentApplication.class, args);
System.out.println("Spring boot application running without starter parent");
}
}

45
spring-boot-parent/spring-boot-with-starter-parent/pom.xml Normal file
View File

@ -0,0 +1,45 @@
<?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>
<groupId>com.baeldung</groupId>
<artifactId>spring-boot-with-starter-parent</artifactId>
<version>1.0.0-SNAPSHOT</version>
<name>spring-boot-with-starter-parent</name>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.5.RELEASE</version>
<!-- lookup parent from repository -->
</parent>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
<version>2.1.1.RELEASE</version>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
</dependency>
</dependencies>
<properties>
<java.version>1.8</java.version>
<junit.version>4.11</junit.version>
</properties>
</project>

14
spring-boot-parent/spring-boot-with-starter-parent/src/main/java/com/baeldung/starterparent/SpringBootStarterParentApplication.java Normal file
View File

@ -0,0 +1,14 @@
package com.baeldung.starterparent;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class SpringBootStarterParentApplication {
public static void main(String[] args) {
SpringApplication.run(SpringBootStarterParentApplication.class, args);
System.out.println("Spring boot application running with starter parent");
}
}

16
spring-cloud/spring-cloud-security/auth-client/pom.xml
View File

@ -24,7 +24,7 @@
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-zuul</artifactId>
<artifactId>spring-cloud-starter-netflix-zuul</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
@ -34,14 +34,16 @@
<dependency>
<groupId>org.webjars</groupId>
<artifactId>jquery</artifactId>
<version>${jquery.version}</version>
</dependency>
<dependency>
<groupId>org.webjars</groupId>
<artifactId>bootstrap</artifactId>
<version>${bootstrap.version}</version>
</dependency>
<dependency>
<groupId>org.webjars</groupId>
<artifactId>webjars-locator</artifactId>
<artifactId>webjars-locator-core</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
@ -62,8 +64,8 @@
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.security.oauth</groupId>
<artifactId>spring-security-oauth2</artifactId>
<groupId>org.springframework.security.oauth.boot</groupId>
<artifactId>spring-security-oauth2-autoconfigure</artifactId>
</dependency>
</dependencies>
@ -89,8 +91,10 @@
</dependencyManagement>
<properties>
<js-cookie.version>2.1.0</js-cookie.version>
<spring-cloud.version>Dalston.SR4</spring-cloud.version>
<js-cookie.version>2.2.0</js-cookie.version>
<spring-cloud.version>Greenwich.SR1</spring-cloud.version>
<jquery.version>3.4.1</jquery.version>
<bootstrap.version>4.3.1</bootstrap.version>
</properties>
</project>

0
spring-cloud/spring-cloud-security/auth-client/src/main/resources/application.properties
View File

4
spring-cloud/spring-cloud-security/auth-client/src/main/resources/application.yml
View File

@ -2,7 +2,8 @@
# These are default settings, but we add them for clarity.
server:
port: 8080
contextPath: /
servlet:
context-path: /
# Configure the Authorization Server and User Info Resource Server details
security:
@ -21,6 +22,7 @@ person:
# Proxies the calls to http://localhost:8080/api/* to our REST service at http://localhost:8081/*
# and automatically includes our OAuth2 token in the request headers
zuul:
sensitiveHeaders: Cookie,Set-Cookie
routes:
resource:
path: /api/**

8
spring-cloud/spring-cloud-security/auth-resource/pom.xml
View File

@ -19,8 +19,8 @@
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.security.oauth</groupId>
<artifactId>spring-security-oauth2</artifactId>
<groupId>org.springframework.security.oauth.boot</groupId>
<artifactId>spring-security-oauth2-autoconfigure</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
@ -30,6 +30,7 @@
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-jwt</artifactId>
<version>${spring-jwt.version}</version>
</dependency>
</dependencies>
@ -55,7 +56,8 @@
</build>
<properties>
<spring-cloud.version>Edgware.RELEASE</spring-cloud.version>
<spring-cloud.version>Greenwich.SR1</spring-cloud.version>
<spring-jwt.version>1.0.10.RELEASE</spring-jwt.version>
</properties>
</project>

11
spring-cloud/spring-cloud-security/auth-resource/src/main/java/com/baeldung/config/ResourceConfigurer.java
View File

@ -3,7 +3,7 @@ package com.baeldung.config;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableResourceServer;
import org.springframework.security.oauth2.config.annotation.web.configuration.ResourceServerConfigurerAdapter;
@ -11,15 +11,18 @@ import org.springframework.security.oauth2.config.annotation.web.configuration.R
* REST API Resource Server.
*/
@Configuration
@EnableWebSecurity
@EnableResourceServer
@EnableGlobalMethodSecurity(prePostEnabled = true) // Allow method annotations like @PreAuthorize
public class ResourceConfigurer extends ResourceServerConfigurerAdapter {
@Override
public void configure(HttpSecurity http) throws Exception {
http.httpBasic().disable();
http.authorizeRequests().anyRequest().authenticated();
http.sessionManagement()
.sessionCreationPolicy(SessionCreationPolicy.NEVER)
.and()
.authorizeRequests()
.anyRequest().authenticated();
}
}

1
spring-cloud/spring-cloud-security/auth-resource/src/main/resources/application.yml
View File

@ -5,7 +5,6 @@ server:
# Configure the public key to use for verifying the incoming JWT tokens
security:
sessions: NEVER
oauth2:
resource:
jwt:

2
spring-cloud/spring-cloud-security/auth-server/pom.xml
View File

@ -38,7 +38,7 @@
</dependencies>
<properties>
<spring-cloud-starter-oauth2.version>1.1.2.RELEASE</spring-cloud-starter-oauth2.version>
<spring-cloud-starter-oauth2.version>2.1.2.RELEASE</spring-cloud-starter-oauth2.version>
</properties>
</project>

12
spring-cloud/spring-cloud-security/auth-server/src/main/java/com/baeldung/config/AuthServerConfigurer.java
View File

@ -9,6 +9,7 @@ import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.Order;
import org.springframework.core.io.Resource;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.oauth2.config.annotation.configurers.ClientDetailsServiceConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableAuthorizationServer;
@ -19,9 +20,7 @@ import org.springframework.security.oauth2.provider.token.store.KeyStoreKeyFacto
@Configuration
@EnableAuthorizationServer
@Order(6)
public class AuthServerConfigurer
extends
AuthorizationServerConfigurerAdapter {
public class AuthServerConfigurer extends AuthorizationServerConfigurerAdapter {
@Value("${jwt.certificate.store.file}")
private Resource keystore;
@ -37,6 +36,9 @@ public class AuthServerConfigurer
@Autowired
private UserDetailsService userDetailsService;
@Autowired
private BCryptPasswordEncoder passwordEncoder;
@Override
public void configure(
@ -45,8 +47,8 @@ public class AuthServerConfigurer
clients
.inMemory()
.withClient("authserver")
.secret("passwordforauthserver")
.redirectUris("http://localhost:8080/")
.secret(passwordEncoder.encode("passwordforauthserver"))
.redirectUris("http://localhost:8080/login")
.authorizedGrantTypes("authorization_code",
"refresh_token")
.scopes("myscope")

4
spring-cloud/spring-cloud-security/auth-server/src/main/java/com/baeldung/config/WebMvcConfigurer.java → spring-cloud/spring-cloud-security/auth-server/src/main/java/com/baeldung/config/WebMvcConfig.java
View File

@ -2,10 +2,10 @@ package com.baeldung.config;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@Configuration
public class WebMvcConfigurer extends WebMvcConfigurerAdapter {
public class WebMvcConfig implements WebMvcConfigurer {
@Override
public void addViewControllers(ViewControllerRegistry registry) {

8
spring-cloud/spring-cloud-security/auth-server/src/main/java/com/baeldung/config/WebSecurityConfigurer.java
View File

@ -6,8 +6,8 @@ import org.springframework.security.config.annotation.authentication.builders.Au
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableOAuth2Client;
@Configuration
@ -34,7 +34,7 @@ public class WebSecurityConfigurer
AuthenticationManagerBuilder auth) throws Exception {
auth
.inMemoryAuthentication()
.withUser("user").password("user")
.withUser("user").password(passwordEncoder().encode("user"))
.roles("USER")
.and()
.withUser("admin").password("admin")
@ -48,5 +48,9 @@ public class WebSecurityConfigurer
return super.userDetailsServiceBean();
}
@Bean
public BCryptPasswordEncoder passwordEncoder() {
return new BCryptPasswordEncoder();
}
}

12
spring-cloud/spring-cloud-security/auth-server/src/main/resources/application.yml
View File

@ -1,7 +1,8 @@
# Make the application available at http://localhost:7070/authserver
server:
port: 7070
contextPath: /authserver
servlet:
context-path: /authserver
# Our certificate settings for enabling JWT tokens
jwt:
@ -11,11 +12,4 @@ jwt:
password: abirkhan04
key:
alias: myauthkey
password: abirkhan04
security:
oauth2:
resource:
filter-order: 3
password: abirkhan04

4
spring-cloud/spring-cloud-security/pom.xml
View File

@ -8,10 +8,10 @@
<packaging>pom</packaging>
<parent>
<artifactId>parent-boot-1</artifactId>
<artifactId>parent-boot-2</artifactId>
<groupId>com.baeldung</groupId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-boot-1</relativePath>
<relativePath>../../parent-boot-2</relativePath>
</parent>
<modules>

1
spring-security-rest-custom/README.md
View File

@ -8,3 +8,4 @@ The "REST With Spring" Classes: http://github.learnspringsecurity.com
### Relevant Articles:
- [Spring Security Authentication Provider](http://www.baeldung.com/spring-security-authentication-provider)
- [Retrieve User Information in Spring Security](http://www.baeldung.com/get-user-in-spring-security)
- [Spring Security – Run-As Authentication](https://www.baeldung.com/spring-security-run-as-auth)

43
spring-session/mongodb-session/src/test/java/com/baeldung/springsessionmongodb/SpringSessionMongoDBIntegrationTest.java
View File

@ -1,43 +0,0 @@
package com.baeldung.springsessionmongodb;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.web.client.TestRestTemplate;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.session.data.mongo.MongoOperationsSessionRepository;
import org.springframework.test.context.junit4.SpringRunner;
import springsessionmongodb.SpringSessionMongoDBApplication;
import java.util.Base64;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = SpringSessionMongoDBApplication.class, webEnvironment = SpringBootTest.WebEnvironment.DEFINED_PORT)
public class SpringSessionMongoDBIntegrationTest {
@Autowired
private MongoOperationsSessionRepository repository;
private TestRestTemplate restTemplate = new TestRestTemplate();
@Test
public void givenEndpointIsCalledTwiceAndResponseIsReturned_whenMongoDBIsQueriedForCount_thenCountMustBeSame() {
HttpEntity<String> response = restTemplate.
exchange("http://localhost:" + 8080, HttpMethod.GET, null, String.class);
HttpHeaders headers = response.getHeaders();
String set_cookie = headers.getFirst(HttpHeaders.SET_COOKIE);
Assert.assertEquals(response.getBody(),
repository.findById(getSessionId(set_cookie)).getAttribute("count").toString());
}
private String getSessionId(String set_cookie) {
return new String(Base64.getDecoder().decode(set_cookie.split(";")[0].split("=")[1]));
}
}

2
spring-session/spring-session-mongodb/pom.xml
View File

@ -32,6 +32,7 @@
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-mongodb</artifactId>
<version>${spring-boot-starter-data-mongodb.version}</version>
</dependency>
<dependency>
@ -43,6 +44,7 @@
<properties>
<spring-session-data-mongodb.version>2.1.3.RELEASE</spring-session-data-mongodb.version>
<spring-boot-starter-data-mongodb.version>2.1.5.RELEASE</spring-boot-starter-data-mongodb.version>
</properties>
<build>

6
spring-session/spring-session-mongodb/src/main/java/com/baeldung/springsessionmongodb/controller/SpringSessionMongoDBController.java
View File

@ -1,11 +1,11 @@
package com.baeldung.springsessionmongodb.controller;
import javax.servlet.http.HttpSession;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.HttpSession;
@RestController
public class SpringSessionMongoDBController {
@ -17,7 +17,7 @@ public class SpringSessionMongoDBController {
if (counter == null) {
counter = 1;
} else {
counter += 1;
counter++;
}
session.setAttribute("count", counter);

8
spring-session/spring-session-mongodb/src/test/java/com/baeldung/springsessionmongodb/SpringSessionMongoDBIntegrationTest.java
View File

@ -1,7 +1,5 @@
package com.baeldung.springsessionmongodb;
import java.util.Base64;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
@ -14,6 +12,8 @@ import org.springframework.http.HttpMethod;
import org.springframework.session.data.mongo.MongoOperationsSessionRepository;
import org.springframework.test.context.junit4.SpringRunner;
import java.util.Base64;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = SpringSessionMongoDBApplication.class, webEnvironment = SpringBootTest.WebEnvironment.DEFINED_PORT)
@ -26,8 +26,8 @@ public class SpringSessionMongoDBIntegrationTest {
@Test
public void givenEndpointIsCalledTwiceAndResponseIsReturned_whenMongoDBIsQueriedForCount_thenCountMustBeSame() {
HttpEntity<String> response = restTemplate.
exchange("http://localhost:" + 8080, HttpMethod.GET, null, String.class);
HttpEntity<String> response = restTemplate
.exchange("http://localhost:" + 8080, HttpMethod.GET, null, String.class);
HttpHeaders headers = response.getHeaders();
String set_cookie = headers.getFirst(HttpHeaders.SET_COOKIE);

3
spring-session/spring-session-mongodb/src/test/java/org/baeldung/SpringContextIntegrationTest.java
View File

@ -1,12 +1,11 @@
package org.baeldung;
import com.baeldung.springsessionmongodb.SpringSessionMongoDBApplication;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import com.baeldung.springsessionmongodb.SpringSessionMongoDBApplication;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = SpringSessionMongoDBApplication.class)
public class SpringContextIntegrationTest {

12
testing-modules/spring-testing/pom.xml
View File

@ -44,6 +44,11 @@
<artifactId>spring-context</artifactId>
<version>LATEST</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.eclipse.persistence</groupId>
<artifactId>javax.persistence</artifactId>
@ -66,6 +71,11 @@
<version>${awaitility.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>${servlet.api.version}</version>
</dependency>
</dependencies>
<build>
@ -84,6 +94,8 @@
<hamcrest.version>2.0.0.0</hamcrest.version>
<awaitility.version>3.1.6</awaitility.version>
<junit.jupiter.version>5.4.0</junit.jupiter.version>
<spring.version>5.1.4.RELEASE</spring.version>
<servlet.api.version>4.0.1</servlet.api.version>
</properties>
</project>

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