Apache Maven Assembly plugin for multi-module

Example of creating single zip distributive from Maven multi-module project.

Project structure

Parent module\
             |- plain directory with some-files (sql)
             |- java module-1 (jar)
             |- java module-2 (jar)
             \- module for distributive (final zip-package)

Plugin configuration

Base build configuration described in POM file:

module-for-package/pom.xml

Required distributive content described in assembly configuration xml:

module-for-package/src/main/resources/package.xml

Usage

Simply call Maven goals:

mvn clean package

You will see result of assembly here:

module-for-package/target/{name}_{version}.zip

Execution steps

Maven does it something like this:

1. package module-1 and module-2;
2. read assembly plugin configuration;
3. copy module-1 and module-2 in distributive module (module-for-package);
4. copy required files (some-files) to distributive's module;
5. archive 4 and 5 steps result into zip.