Role « User « JSP-Servlet Q&A

1. How can I check if a user has a certain role in JSP?

I need to make decisions in a JSP based on the user's roles. Is there a tag or EL expression that lets me do that?

3. wanted to know how a user role is assigned

I am facing an issue in my application which has certificate based authentication. The application lists different other application to which the user has access to. The applications are listed based on the user role in the request object. request.isUserRoleIn(''). I wanted to know how these roles are actually set, is it set in the webserver and where ? I am ...

4. How to assing users to certain roles?