JarBundler is a feature-rich ant task that can create a Mac OS X application bundle from a list of Jar files and a main class name. You can add an Icon resource, set various Mac OS X native look-and-feel bells and whistles, and maintain your application bundles as part of your normal build and release cycle
Created attachment 109934 [details] dev-java/jarbundler-1.4-r1.ebuild
This ebuild is available in the migrated-java-experimental-overlay
Migrated 1.7 in tree, closing.