lets say i have 3 packages and a jar needs to be created for every package containing only the contents in the current package. My attempt is:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>2.4</version>
<executions>
<execution>
<id>first-jar</id>
<goals>
<goal>jar</goal>
</goals>
<configuration>
<classifier>first-jar</classifier>
<excludes>
<exclude>/maven.task.3/src/main/java/third/ThirdMain.java
</exclude>
<exclude>/maven.task.3/src/main/java/second/SecondMain.java
</exclude>
</excludes>
</configuration>
</execution>
<execution>
<id>second-jar</id>
<goals>
<goal>jar</goal>
</goals>
<configuration>
<classifier>second-jar</classifier>
<excludes>
<exclude>/maven.task.3/src/main/java/first/FirstMain.java
</exclude>
<exclude>/maven.task.3/src/main/java/third/ThirdMain.java
</exclude>
</excludes>
</configuration>
</execution>
</executions>
</plugin>
And this does indeed create different jars, however the content inside is the same, meaning the exclude clauses don't work. I tried excluding only the class(relative/absolute path) and only the package. Don't ask why i do this its for homework, it does not make a lot of sense! This is the way i attempt of doing it, if there is any other more efficient way please feel free to share it with me!
EDIT: Modular structure must not be used, it must be one single project.
Thanks in advance
It's already been answered in the comments but here's an example.
A parent pom:
<?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.essexboy</groupId>
<artifactId>parent</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>pom</packaging>
<modules>
<module>jar1</module>
<module>jar2</module>
</modules>
</project>
And 2 child/modules poms, only the artifactId is different:
<?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>
<parent>
<artifactId>parent</artifactId>
<groupId>com.essexboy</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<artifactId>jar1</artifactId>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
</build>
</project>
Extra info
I created the parent with the command:
mvn archetype:generate -DarchetypeGroupId=org.codehaus.mojo.archetypes -DarchetypeArtifactId=pom-root -DarchetypeVersion=RELEASE
Then created 2 modules with the command
mvn archetype:generate -DarchetypeGroupId=org.apache.maven.archetypes -DarchetypeArtifactId=maven-archetype-quickstart -DarchetypeVersion=RELEASE
If you must have a single jar project (no modules and parent) you can do it with the shade-plugin:
<?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.essexboy</groupId>
<artifactId>double-jar</artifactId>
<version>1.0-SNAPSHOT</version>
<name>double-jar</name>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.2.1</version>
<executions>
<execution>
<id>1</id>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<finalName>jar1</finalName>
<filters>
<filter>
<artifact>*:*</artifact>
<excludes>
<exclude>com/essexboy/App2*</exclude>
</excludes>
</filter>
</filters>
</configuration>
</execution>
<execution>
<id>2</id>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<finalName>jar2</finalName>
<filters>
<filter>
<artifact>*:*</artifact>
<excludes>
<exclude>com/essexboy/App1*</exclude>
</excludes>
</filter>
</filters>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>