My WebApp needs to authenticate user before allowing any sort of access. The scenario I\'m trying to implement is a login page with username and password fields. Once user h
I'm not sure how well secure your application has to be... but I would suggest leaving that piece of work to spring security.
You could make a regular login.html page which would, upon successful login, redirect user to the "real" gwt app.
Check out this article: http://code.google.com/webtoolkit/articles/security_for_gwt_applications.html