Wargames(JAVA o'course)

Does anyone know of any open source wargames written in 100% java? These are my fave types of games and want to get some ideas for the one I am currently developing. I’ve googled it already and nothing good came up…

Not open source, not even ‘source’, but look up

www.towergames.com

Im working on an axis and allies clone.

http://triplea.sourceforge.net/

Its java and open source.