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java-modules-parent

Simple Maven parent pom setup for building java 9 modulepath based projects

How to use

Toolchains

To make sure that the right java version installed on your system is used, we make sure of the maven toolchain support.

You need to create a toolchains.xml of which an example can be found under /toolchain/toolchains.xml. Adapt the paths of the JDK-homes to your local development machine and copy this file next to your settings.xml on your local machine. For example inside the ~/.m2 directory.

Use as parent

In your project which you want to build using java 11 compatible maven plugins, use the following snippet as maven parent:

<parent>
	<groupId>io.github.tomdw.java.modules</groupId>
	<artifactId>java-modules-parent</artifactId>
	<version>0.0.3</version>
	<relativePath />
</parent>

Add version to module-info.class

To make sure that the module version is also added to the module-info.class a preconfigured execution of the exec-maven-plugin is available that updates the jar with the module version.

You need to add this to the module build (if exec-maven-plugin is already listed, then the extra configuration will be picked up):

	<build>
		<plugins>
			<plugin>
				<groupId>org.codehaus.mojo</groupId>
				<artifactId>exec-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>

The jar tool will be automatically used to update the module-info.class inside the jar with the maven project version.