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BAEL-3091: The Prototype Pattern in Java (changed code based on valid comments from a reader)

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This commit is contained in:
Vivek Balasubramaniam
2019-10-29 22:27:15 +05:30
parent db85c8f275
commit d3d5b060e7
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maven-all/README.md
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## Apache Maven
This module contains articles about Apache Maven. Please refer to its submodules.
### Relevant Articles
- [Apache Maven Tutorial](https://www.baeldung.com/maven)
maven-all/compiler-plugin-java-9/README.md
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### Relevant Articles
- [Maven Compiler Plugin](http://www.baeldung.com/maven-compiler-plugin)
maven-all/compiler-plugin-java-9/pom.xml
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<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>compiler-plugin-java-9</artifactId>
<version>0.0.1-SNAPSHOT</version>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration>
<source>9</source>
<target>9</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
maven-all/compiler-plugin-java-9/src/main/java/com/baeldung/maven/java9/MavenCompilerPlugin.java
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package com.baeldung.maven.java9;
import static javax.xml.XMLConstants.XML_NS_PREFIX;
public class MavenCompilerPlugin {
public static void main(String[] args) {
System.out.println("The XML namespace prefix is: " + XML_NS_PREFIX);
}
}
maven-all/compiler-plugin-java-9/src/main/java/module-info.java
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module com.baeldung.maven.java9 {
requires java.xml;
}
maven-all/maven-war-plugin/README.md
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## Maven WAR Plugin
This module contains articles about the Maven WAR Plugin.
### Relevant Articles
- [Eclipse Error: web.xml is missing and failOnMissingWebXml is set to true](https://www.baeldung.com/eclipse-error-web-xml-missing)
maven-all/maven-war-plugin/pom.xml
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<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>maven-war-plugin</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>maven-war-plugin</name>
<build>
<plugins>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<!-- Update maven war plugin to 3.1.0 or higher -->
<version>3.1.0</version>
<configuration>
<!-- Set failOnMissingWebXml configuration for maven war plugin -->
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
</plugins>
</build>
<!-- Set failOnMissingWebXml as false in properties section -->
<properties>
<failOnMissingWebXml>false</failOnMissingWebXml>
</properties>
</project>
maven-all/maven/.gitignore
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/output-resources
/.idea/
maven-all/maven/README.md
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## Apache Maven
This module contains articles about core Apache Maven. Articles about other Maven plugins (such as the Maven WAR Plugin)
have their own dedicated modules.
### Relevant Articles
- [Guide to the Core Maven Plugins](https://www.baeldung.com/core-maven-plugins)
- [Maven Resources Plugin](https://www.baeldung.com/maven-resources-plugin)
- [Maven Compiler Plugin](https://www.baeldung.com/maven-compiler-plugin)
- [Quick Guide to the Maven Surefire Plugin](https://www.baeldung.com/maven-surefire-plugin)
- [The Maven Failsafe Plugin](https://www.baeldung.com/maven-failsafe-plugin)
- [The Maven Verifier Plugin](https://www.baeldung.com/maven-verifier-plugin)
- [The Maven Clean Plugin](https://www.baeldung.com/maven-clean-plugin)
- [Build a Jar with Maven and Ignore the Test Results](https://www.baeldung.com/maven-ignore-test-results)
- [Maven Project with Multiple Source Directories](https://www.baeldung.com/maven-project-multiple-src-directories)
- [Integration Testing with Maven](https://www.baeldung.com/maven-integration-test)
- [Apache Maven Standard Directory Layout](https://www.baeldung.com/maven-directory-structure)
- [Multi-Module Project with Maven](https://www.baeldung.com/maven-multi-module)
maven-all/maven/custom-rule/pom.xml
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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>custom-rule</artifactId>
<name>custom-rule</name>
<parent>
<artifactId>maven</artifactId>
<groupId>com.baeldung</groupId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<dependencies>
<!-- dependencies for maven plugin-->
<dependency>
<groupId>org.apache.maven.enforcer</groupId>
<artifactId>enforcer-api</artifactId>
<version>${api.version}</version>
</dependency>
<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-project</artifactId>
<version>${maven.version}</version>
</dependency>
<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-core</artifactId>
<version>${maven.version}</version>
</dependency>
<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-artifact</artifactId>
<version>${maven.version}</version>
</dependency>
<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-plugin-api</artifactId>
<version>${maven.version}</version>
</dependency>
<dependency>
<groupId>org.codehaus.plexus</groupId>
<artifactId>plexus-container-default</artifactId>
<version>${plexus-container-default.version}</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<artifactId>maven-verifier-plugin</artifactId>
<version>${maven.verifier.version}</version>
<configuration>
<verificationFile>../input-resources/verifications.xml</verificationFile>
<failOnError>false</failOnError>
</configuration>
</plugin>
</plugins>
</build>
<properties>
<api.version>3.0.0-M2</api.version>
<maven.version>2.0.9</maven.version>
<plexus-container-default.version>1.0-alpha-9</plexus-container-default.version>
</properties>
</project>
maven-all/maven/custom-rule/src/main/java/com/baeldung/enforcer/MyCustomRule.java
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/*
* Copyright (c) 2019 PloyRef
* Created by Seun Matt <smatt382@gmail.com>
* on 19 - 2 - 2019
*/
package com.baeldung.enforcer;
import org.apache.maven.enforcer.rule.api.EnforcerRule;
import org.apache.maven.enforcer.rule.api.EnforcerRuleException;
import org.apache.maven.enforcer.rule.api.EnforcerRuleHelper;
import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluationException;
public class MyCustomRule implements EnforcerRule {
public void execute(EnforcerRuleHelper enforcerRuleHelper) throws EnforcerRuleException {
try {
String groupId = (String) enforcerRuleHelper.evaluate("${project.groupId}");
if (groupId == null || !groupId.startsWith("org.baeldung")) {
throw new EnforcerRuleException("Project group id does not start with org.baeldung");
}
}
catch (ExpressionEvaluationException ex ) {
throw new EnforcerRuleException( "Unable to lookup an expression " + ex.getLocalizedMessage(), ex );
}
}
public boolean isCacheable() {
return false;
}
public boolean isResultValid(EnforcerRule enforcerRule) {
return false;
}
public String getCacheId() {
return null;
}
}
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maven-all/maven/input-resources/baeldung.txt
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Welcome to ${resources.name}!
maven-all/maven/input-resources/verifications.xml
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<verifications xmlns="http://maven.apache.org/verifications/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/verifications/1.0.0 http://maven.apache.org/xsd/verifications-1.0.0.xsd">
<files>
<file>
<location>input-resources/baeldung.txt</location>
<contains>Welcome</contains>
</file>
</files>
</verifications>
maven-all/maven/maven-enforcer/README.md
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### Relevant Articles
- [Maven Enforcer Plugin](https://www.baeldung.com/maven-enforcer-plugin)
maven-all/maven/maven-enforcer/pom.xml
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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>maven-enforcer</artifactId>
<name>maven-enforcer</name>
<parent>
<artifactId>maven</artifactId>
<groupId>com.baeldung</groupId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-enforcer-plugin</artifactId>
<version>3.0.0-M2</version>
<!--<dependencies>-->
<!--<dependency>-->
<!--<groupId>com.baeldung</groupId>-->
<!--<artifactId>custom-rule</artifactId>-->
<!--<version>1.0</version>-->
<!--</dependency>-->
<!--</dependencies>-->
<executions>
<execution>
<id>enforce</id>
<goals>
<goal>enforce</goal>
</goals>
<configuration>
<rules>
<banDuplicatePomDependencyVersions/>
<requireMavenVersion>
<version>3.0</version>
<message>Invalid Maven version. It should, at least, be 3.0</message>
</requireMavenVersion>
<requireJavaVersion>
<version>1.8</version>
</requireJavaVersion>
<requireEnvironmentVariable>
<variableName>ui</variableName>
<level>WARN</level>
</requireEnvironmentVariable>
<requireEnvironmentVariable>
<variableName>cook</variableName>
<level>WARN</level>
</requireEnvironmentVariable>
<requireActiveProfile>
<profiles>local,base</profiles>
<message>Missing active profiles</message>
<level>WARN</level>
</requireActiveProfile>
<!--other rules -->
<!--<myCustomRule implementation="com.baeldung.enforcer.MyCustomRule"/>-->
</rules>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-verifier-plugin</artifactId>
<version>${maven.verifier.version}</version>
<configuration>
<verificationFile>../input-resources/verifications.xml</verificationFile>
<failOnError>false</failOnError>
</configuration>
</plugin>
</plugins>
</build>
</project>
maven-all/maven/pom.xml
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<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>maven</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>maven</name>
<packaging>pom</packaging>
<parent>
<artifactId>parent-modules</artifactId>
<groupId>com.baeldung</groupId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../..</relativePath>
</parent>
<modules>
<module>custom-rule</module>
<module>maven-enforcer</module>
</modules>
<dependencies>
<dependency>
<groupId>org.glassfish.jersey.containers</groupId>
<artifactId>jersey-container-servlet-core</artifactId>
<version>${jersey.version}</version>
</dependency>
<dependency>
<groupId>org.glassfish.jersey.inject</groupId>
<artifactId>jersey-hk2</artifactId>
<version>${jersey.version}</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-maven-plugin</artifactId>
<version>${jetty.version}</version>
<configuration>
<httpConnector>
<port>8999</port>
</httpConnector>
<stopKey>quit</stopKey>
<stopPort>9000</stopPort>
</configuration>
<executions>
<execution>
<id>start-jetty</id>
<phase>pre-integration-test</phase>
<goals>
<goal>start</goal>
</goals>
</execution>
<execution>
<id>stop-jetty</id>
<phase>post-integration-test</phase>
<goals>
<goal>stop</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-resources-plugin</artifactId>
<version>${maven.resources.version}</version>
<configuration>
<outputDirectory>output-resources</outputDirectory>
<resources>
<resource>
<directory>input-resources</directory>
<excludes>
<exclude>*.png</exclude>
</excludes>
<filtering>true</filtering>
</resource>
</resources>
</configuration>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven.compiler.version}</version>
<configuration>
<source>${java.version}</source>
<target>${java.version}</target>
<compilerArgs>
<arg>-Xlint:unchecked</arg>
</compilerArgs>
</configuration>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>${maven.surefire.version}</version>
<configuration>
<excludes>
<exclude>DataTest.java</exclude>
<exclude>**/*IntegrationTest</exclude>
</excludes>
<excludedGroups>com.baeldung.maven.it.Integration</excludedGroups>
<includes>
<include>TestFail.java</include>
<include>DataCheck.java</include>
</includes>
<testFailureIgnore>true</testFailureIgnore>
</configuration>
</plugin>
<plugin>
<artifactId>maven-failsafe-plugin</artifactId>
<version>${maven.failsafe.version}</version>
<executions>
<execution>
<goals>
<goal>integration-test</goal>
<goal>verify</goal>
</goals>
<configuration>
<!-- configuration similar to surefire -->
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-verifier-plugin</artifactId>
<version>${maven.verifier.version}</version>
<configuration>
<verificationFile>input-resources/verifications.xml</verificationFile>
</configuration>
<executions>
<execution>
<goals>
<goal>verify</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-clean-plugin</artifactId>
<version>${maven.clean.version}</version>
<configuration>
<filesets>
<fileset>
<directory>output-resources</directory>
</fileset>
</filesets>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>build-helper-maven-plugin</artifactId>
<version>${maven.build.helper.version}</version>
<executions>
<execution>
<phase>generate-sources</phase>
<goals>
<goal>add-source</goal>
</goals>
<configuration>
<sources>
<source>src/main/another-src</source>
</sources>
</configuration>
</execution>
<execution>
<id>add-integration-test-source</id>
<phase>generate-test-sources</phase>
<goals>
<goal>add-test-source</goal>
</goals>
<configuration>
<sources>
<source>src/integration-test/java</source>
</sources>
</configuration>
</execution>
<execution>
<id>add-integration-test-resource</id>
<phase>generate-test-resources</phase>
<goals>
<goal>add-test-resource</goal>
</goals>
<configuration>
<resources>
<resource>
<directory>src/integration-test/resources</directory>
</resource>
</resources>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
<profiles>
<profile>
<id>default</id>
<build>
<plugins>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>${maven.surefire.version}</version>
<configuration>
<excludes>
<exclude>DataTest.java</exclude>
</excludes>
<includes>
<include>TestFail.java</include>
<include>DataCheck.java</include>
</includes>
<testFailureIgnore>true</testFailureIgnore>
</configuration>
</plugin>
</plugins>
</build>
</profile>
<profile>
<id>failsafe</id>
<build>
<plugins>
<plugin>
<artifactId>maven-failsafe-plugin</artifactId>
<version>${maven.failsafe.version}</version>
<configuration>
<includes>
<include>**/*RestIT</include>
<include>**/RestITCase</include>
</includes>
</configuration>
<executions>
<execution>
<goals>
<goal>integration-test</goal>
<goal>verify</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
<profile>
<id>surefire</id>
<build>
<plugins>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>${maven.surefire.version}</version>
<executions>
<execution>
<phase>integration-test</phase>
<goals>
<goal>test</goal>
</goals>
<configuration>
<excludes>
<exclude>none</exclude>
</excludes>
<includes>
<include>**/*IntegrationTest</include>
</includes>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
<profile>
<id>category</id>
<build>
<plugins>
<plugin>
<artifactId>maven-failsafe-plugin</artifactId>
<version>${maven.failsafe.version}</version>
<configuration>
<includes>
<include>**/*</include>
</includes>
<groups>com.baeldung.maven.it.Integration</groups>
</configuration>
<executions>
<execution>
<goals>
<goal>integration-test</goal>
<goal>verify</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
</profiles>
<properties>
<maven.resources.version>3.0.2</maven.resources.version>
<maven.compiler.version>3.8.0</maven.compiler.version>
<maven.surefire.version>2.22.0</maven.surefire.version>
<maven.failsafe.version>2.22.0</maven.failsafe.version>
<maven.verifier.version>1.1</maven.verifier.version>
<maven.clean.version>3.0.0</maven.clean.version>
<maven.build.helper.version>3.0.0</maven.build.helper.version>
<resources.name>Baeldung</resources.name>
<jetty.version>9.4.11.v20180605</jetty.version>
<jersey.version>2.27</jersey.version>
</properties>
</project>
maven-all/maven/src/integration-test/java/com/baeldung/maven/it/RestITCase.java
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package com.baeldung.maven.it;
import org.junit.Test;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.Scanner;
import static org.junit.Assert.assertEquals;
public class RestITCase {
@Test
public void whenSendingGet_thenMessageIsReturned() throws IOException {
String url = "http://localhost:8999";
URLConnection connection = new URL(url).openConnection();
try (InputStream response = connection.getInputStream();
Scanner scanner = new Scanner(response)) {
String responseBody = scanner.nextLine();
assertEquals("Welcome to Baeldung!", responseBody);
}
}
}
maven-all/maven/src/main/another-src/com/baeldung/maven/plugins/Foo.java
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package com.baeldung.maven.plugins;
public class Foo {
public static String foo() {
return "foo";
}
}
maven-all/maven/src/main/java/com/baeldung/maven/it/EndpointConfig.java
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package com.baeldung.maven.it;
import org.glassfish.jersey.server.ResourceConfig;
public class EndpointConfig extends ResourceConfig {
public EndpointConfig() {
register(RestEndpoint.class);
}
}
maven-all/maven/src/main/java/com/baeldung/maven/it/RestEndpoint.java
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package com.baeldung.maven.it;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
@Path("/")
public class RestEndpoint {
@GET
public String hello() {
return "Welcome to Baeldung!";
}
}
maven-all/maven/src/main/java/com/baeldung/maven/plugins/Data.java
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package com.baeldung.maven.plugins;
import java.util.ArrayList;
import java.util.List;
public class Data {
List<String> textList = new ArrayList();
public void addText(String text) {
textList.add(text);
}
public List getTextList() {
return this.textList;
}
}
maven-all/maven/src/main/java/com/baeldung/maven/plugins/MultipleSrcFolders.java
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package com.baeldung.maven.plugins;
public class MultipleSrcFolders {
public static void callFoo() {
Foo.foo();
}
}
maven-all/maven/src/main/resources/logback.xml
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<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
</pattern>
</encoder>
</appender>
<root level="INFO">
<appender-ref ref="STDOUT" />
</root>
</configuration>
maven-all/maven/src/main/webapp/WEB-INF/web.xml
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<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1">
<servlet>
<servlet-name>rest-servlet</servlet-name>
<servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class>
<init-param>
<param-name>javax.ws.rs.Application</param-name>
<param-value>com.baeldung.maven.it.EndpointConfig</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>rest-servlet</servlet-name>
<url-pattern>/*</url-pattern>
</servlet-mapping>
</web-app>
maven-all/maven/src/test/java/com/baeldung/maven/it/Integration.java
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package com.baeldung.maven.it;
public interface Integration {
}
maven-all/maven/src/test/java/com/baeldung/maven/it/RestIT.java
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package com.baeldung.maven.it;
import org.junit.Test;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.Scanner;
import static org.junit.Assert.assertEquals;
public class RestIT {
@Test
public void whenSendingGet_thenMessageIsReturned() throws IOException {
String url = "http://localhost:8999";
URLConnection connection = new URL(url).openConnection();
try (InputStream response = connection.getInputStream();
Scanner scanner = new Scanner(response)) {
String responseBody = scanner.nextLine();
assertEquals("Welcome to Baeldung!", responseBody);
}
}
}
maven-all/maven/src/test/java/com/baeldung/maven/it/RestIntegrationTest.java
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package com.baeldung.maven.it;
import org.junit.Test;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.Scanner;
import static org.junit.Assert.assertEquals;
public class RestIntegrationTest {
@Test
public void whenSendingGet_thenMessageIsReturned() throws IOException {
String url = "http://localhost:8999";
URLConnection connection = new URL(url).openConnection();
try (InputStream response = connection.getInputStream();
Scanner scanner = new Scanner(response)) {
String responseBody = scanner.nextLine();
assertEquals("Welcome to Baeldung!", responseBody);
}
}
}
maven-all/maven/src/test/java/com/baeldung/maven/it/RestJUnitTest.java
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package com.baeldung.maven.it;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.Scanner;
import static org.junit.Assert.assertEquals;
@Category(Integration.class)
public class RestJUnitTest {
@Test
public void whenSendingGet_thenMessageIsReturned() throws IOException {
String url = "http://localhost:8999";
URLConnection connection = new URL(url).openConnection();
try (InputStream response = connection.getInputStream();
Scanner scanner = new Scanner(response)) {
String responseBody = scanner.nextLine();
assertEquals("Welcome to Baeldung!", responseBody);
}
}
}
maven-all/maven/src/test/java/com/baeldung/maven/plugins/DataCheck.java
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package com.baeldung.maven.plugins;
import static org.junit.Assert.assertNotNull;
import org.junit.Test;
import com.baeldung.maven.plugins.Data;
public class DataCheck {
@Test
public void whenDataObjectIsCreated_thenItIsNotNull() {
Data data = new Data();
assertNotNull(data);
}
}
maven-all/maven/src/test/java/com/baeldung/maven/plugins/DataUnitTest.java
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package com.baeldung.maven.plugins;
import static org.junit.Assert.assertNull;
import org.junit.Test;
import com.baeldung.maven.plugins.Data;
public class DataUnitTest {
@Test
public void whenDataObjectIsNotCreated_thenItIsNull() {
Data data = null;
assertNull(data);
}
}
maven-all/maven/src/test/java/testfail/TestFail.java
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package testfail;
import org.junit.Test;
import org.junit.Ignore;
import static org.junit.Assert.assertNotNull;
public class TestFail {
@Ignore //ignored so the entire tutorials build passes
@Test
public void whenMessageAssigned_thenItIsNotNull() {
String message = "hello there";
message = null;
assertNotNull(message);
}
}
maven-all/profiles/README.md
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## Maven Profiles
This module contains articles about Maven profiles.
### Relevant Articles
- [Guide to Maven Profiles](https://www.baeldung.com/maven-profiles)
maven-all/profiles/pom.xml
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<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>profiles</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>profiles</name>
<profiles>
<profile>
<id>no-tests</id>
<properties>
<maven.test.skip>true</maven.test.skip>
</properties>
</profile>
<profile>
<id>integration-tests</id>
<activation>
<activeByDefault>true</activeByDefault>
</activation>
</profile>
<profile>
<id>mutation-tests</id>
</profile>
<profile>
<id>active-on-jdk-11</id>
<activation>
<jdk>11</jdk>
</activation>
</profile>
<profile>
<id>active-on-windows-10</id>
<activation>
<os>
<name>windows 10</name>
<family>Windows</family>
<arch>amd64</arch>
<version>10.0</version>
</os>
</activation>
</profile>
<profile>
<id>active-on-property-environment</id>
<activation>
<property>
<name>environment</name>
<value>!test</value>
</property>
</activation>
</profile>
<profile>
<id>active-on-missing-file</id>
<activation>
<file>
<missing>target/testreport.html</missing>
</file>
</activation>
</profile>
<profile>
<id>active-on-present-file</id>
<activation>
<file>
<exists>target/artifact.jar</exists>
</file>
</activation>
</profile>
</profiles>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-help-plugin</artifactId>
<version>3.2.0</version>
<executions>
<execution>
<id>show-profiles</id>
<phase>compile</phase>
<goals>
<goal>active-profiles</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
maven-all/versions-maven-plugin/README.md
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## Versions Maven Plugin
This module contains articles about the Versions Maven Plugin.
### Relevant Articles
- [Use the Latest Version of a Dependency in Maven](https://www.baeldung.com/maven-dependency-latest-version)
maven-all/versions-maven-plugin/original/pom.xml
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<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>versions-maven-plugin-example</artifactId>
<version>0.0.1-SNAPSHOT</version>
<dependencies>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>${commons-io.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-collections4</artifactId>
<version>${commons-collections4.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-compress</artifactId>
<version>${commons-compress-version}</version>
</dependency>
<dependency>
<groupId>commons-beanutils</groupId>
<artifactId>commons-beanutils</artifactId>
<version>${commons-beanutils.version}</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>versions-maven-plugin</artifactId>
<version>2.7</version>
<configuration>
<excludes>
<exclude>org.apache.commons:commons-collections4</exclude>
</excludes>
</configuration>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>apache.snapshots</id>
<name>Apache Development Snapshot Repository</name>
<url>https://repository.apache.org/content/repositories/snapshots/</url>
<releases>
<enabled>false</enabled>
</releases>
<snapshots>
<enabled>true</enabled>
</snapshots>
</repository>
</repositories>
<properties>
<commons-compress-version>1.15</commons-compress-version>
<commons-io.version>2.3</commons-io.version>
<commons-collections4.version>4.0</commons-collections4.version>
<commons-lang3.version>3.0</commons-lang3.version>
<commons-beanutils.version>1.9.1</commons-beanutils.version>
</properties>
</project>
maven-all/versions-maven-plugin/pom.xml
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<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>versions-maven-plugin</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>versions-maven-plugin</name>
<dependencies>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.3</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-collections4</artifactId>
<version>4.0</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.0</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-compress</artifactId>
<version>${commons-compress-version}</version>
</dependency>
<dependency>
<groupId>commons-beanutils</groupId>
<artifactId>commons-beanutils</artifactId>
<version>1.9.1</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>versions-maven-plugin</artifactId>
<version>2.7</version>
<configuration>
<excludes>
<exclude>org.apache.commons:commons-collections4</exclude>
</excludes>
</configuration>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>apache.snapshots</id>
<name>Apache Development Snapshot Repository</name>
<url>https://repository.apache.org/content/repositories/snapshots/</url>
<releases>
<enabled>false</enabled>
</releases>
<snapshots>
<enabled>true</enabled>
</snapshots>
</repository>
</repositories>
<properties>
<commons-compress-version>1.15</commons-compress-version>
</properties>
</project>
maven-all/versions-maven-plugin/run-the-demo.sh
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#!/bin/bash
#function to display commands
exe() { echo -e "\$ $@\n" ; "$@" ; }
TEXT_COLOR='\033[1;33m' #Yellow
NO_COLOR='\033[0m' # No Color
clear
echo -e "======================================================================================"
echo -e " Showcase for the BAELDUNG tutorial \"Use the latest version of a dependency in Maven\""
echo -e " Author: Andrea Ligios"
echo -e "======================================================================================"
echo -e "${TEXT_COLOR}\n--------------------------------------------------------------------------------------"
echo -e " Resetting the demo environment (which will be altered during the run): "
echo -e "--------------------------------------------------------------------------------------${NO_COLOR}"
rm -f pom.xml.versionsBackup
cp original/pom.xml pom.xml
ls -lt pom.*
echo -e "${TEXT_COLOR}\n--------------------------------------------------------------------------------------"
echo -e " Checking for newer versions of the Maven dependencies:"
echo -e "--------------------------------------------------------------------------------------${NO_COLOR}"
exe mvn versions:display-dependency-updates
echo
read -p "Press enter to continue"
echo -e "${TEXT_COLOR}\n--------------------------------------------------------------------------------------"
echo -e " Updating SNAPSHOT dependencies to their RELEASE version, if any:"
echo -e "--------------------------------------------------------------------------------------${NO_COLOR}"
exe mvn versions:use-releases
echo -e "${TEXT_COLOR}\n--------------------------------------------------------------------------------------"
echo -e " A backup has been created automatically:"
echo -e "--------------------------------------------------------------------------------------${NO_COLOR}"
ls -lt pom.*
echo
read -p "Press enter to continue"
echo -e "${TEXT_COLOR}\n--------------------------------------------------------------------------------------"
echo -e " Updating RELEASE dependencies to their *next* RELEASE version:"
echo -e "--------------------------------------------------------------------------------------${NO_COLOR}"
exe mvn versions:use-next-releases
echo
read -p "Press enter to continue"
echo -e "${TEXT_COLOR}\n--------------------------------------------------------------------------------------"
echo -e " Reverting every modification made since the beginning:"
echo -e "--------------------------------------------------------------------------------------${NO_COLOR}"
exe mvn versions:revert
echo -e "${TEXT_COLOR}\n--------------------------------------------------------------------------------------"
echo -e " The backup is gone, and the pom.xml contains the initial dependencies:"
echo -e "--------------------------------------------------------------------------------------${NO_COLOR}"
ls -lt pom.*
echo
read -p "Press enter to continue"
echo -e "${TEXT_COLOR}\n--------------------------------------------------------------------------------------"
echo -e " Updating RELEASE dependencies to their *latest* RELEASE version:"
echo -e "--------------------------------------------------------------------------------------${NO_COLOR}"
exe mvn versions:use-latest-releases
echo
read -p "Press enter to continue"
echo -e "${TEXT_COLOR}\n--------------------------------------------------------------------------------------"
echo -e " Committing the modifications to pom.xml:"
echo -e "--------------------------------------------------------------------------------------${NO_COLOR}"
exe mvn versions:commit
echo -e "${TEXT_COLOR}\n--------------------------------------------------------------------------------------"
echo -e " The backup is gone, and the pom.xml contains the latest dependencies:"
echo -e "--------------------------------------------------------------------------------------${NO_COLOR}"
ls -lt pom.*
echo
echo -e "${TEXT_COLOR}\nThat's all folks!${NO_COLOR}\n"