How to use ExternalLayout ?

Hi,
I have created a WEb application using Vaadin.
In that application i want show a report which is geting prepared in a JSP page.(just need pass some info to that JSP).
can any one tell me how to call/Embeded that JSP page in my application.
is the ExternalLayout will help to solve this problem. if yes,Please tell me how to use it.

Thanks
Raghav.

Could you just use the Embedded component, as described
in the Book
?