This week's book giveaway is in the OCAJP forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide 1Z0-808 and have Jeanne Boyarsky & Scott Selikoff on-line! See this thread for details.
I use WebSphere Application Server and a form based authentication for user login to my Web Application.
In order to check authorization of the user i need to use filter for JSP pages and Servlets. For now I can insert the username into session object and in my filter i check the authorization with the username in the session.