https://issues.jboss.org/browse/PLFED-272
This release provides Social Login capabilities to web applications running in JBoss AS environment.
http://anil-identity.blogspot.com/2012/03/jboss-as-7-social-login-facebook.html
http://server.dzone.com/articles/jbossas7-making-your-web
See it in action: http://sso-anilsaldhana.rhcloud.com/picketlink-reg/