How to put classes in a directory of your choice in a jar

[Laurent Martelli <ma...@gmail.com>]

Hi,

I was asking myself a few days ago how could I package java classes in a
directory of my choice in a jar package. Yes, I know, this is a strange
idea.
But anyway,  since I found a solution, I would like to share it with you.
The idea is to use a directory in target/ where you put the classes and the
resources where you want:

<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>

[...]

    <build>
        <!-- classes will be in classes/-->
        <outputDirectory>target/package/classes</outputDirectory>

        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-resources-plugin</artifactId>
                <version>2.3</version>
                <configuration>
                    <outputDirectory>target/package</outputDirectory>
                </configuration>
            </plugin>

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-jar-plugin</artifactId>
                <version>2.3.1</version>
                <configuration>
                    <classesDirectory>target/package</classesDirectory>
                </configuration>
            </plugin>
        </plugins>

        <resources>
            <resource>
                <!-- resources will go in bla/-->
                <directory>src/main/resources</directory>
                <targetPath>bla</targetPath>
            </resource>
        </resources>
    </build>
</project>

Cheers,
Laurent

Re: How to put classes in a directory of your choice in a jar

[amitmosesalbert <am...@hotmail.com>]

Laurent, This was very useful. Can you help me out in placing classes to a
directory same as parent under target/classes

Say i have 
src/main/java/com/company/app/a.java to be placed under
target/classes/com/company/app/a.class

I can work out for anything under app but what if i have the below
src/main/java/newfolder/company/java/b.java

When i try to include the former source path it throws an error duplicate
tag <build>.

Can you please help me out.

I am not build and release engineer and new to maven.
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