Take the prepackaged JOSSO/Tomcat binaries which has an example partner app preconfigured. You need to follow the similar steps for you web application too.

If you have any specific question w.r.t to your application do let me know. We at TejaSoft are expert JOSSO/SSO team, with very high compitancy in this area. We do consult many companies to architect design sso solutions at enterprise level.

Regards,
Raja Nagendra Kumar,
C.T.O
www.tejasoft.com