#{ Portlets: Liferay integración con Struts2 y/o JSF2 }

http://www.liferay.com/community/liferay-projects/liferay-faces/demos
http://blog.rehanpathan.com/how-to-create-a-strut-portlet-in-liferay/
http://www.liferay.com/community/forums/-/message_boards/message/18450849