Content Front is available through the projects maven repo. Details below.
Add the Content Front repository to your pom.xml:
To use Jackrabbit as the backing CMS implementation, include the content-front-jackrabbit artifact:
Check out the demo project which implements a simple forum application.
https://contentfront.svn.sourceforge.net/svnroot/contentfront/trunk/content-front-forum
This uses Jersey (JAX-RS) as dispatcher.