Vaadin 7 using JAAS and JBoss 7

What is the simpliest way to implement a secure Vaadin 7 application using JAAS and JBoss 7? Is it poosible to create a logn-View without using an JSP-Page but using the automatic JAAS mechanism of JBoss?

Vaadin-CDI contains JAAS functionality may be useful or not
http://www.youtube.com/watch?v=r94fTW0AQj0