Instead of this I would just extend RemoteServiceServlet and add a public
static method that makes the session available to everyone (just like
RequestFactoryServlet does), e.g.
public static HttpSession getThreadLocalSession() {
return getThreadLocalRequest().getSession();
}
Then in your service method:
public boolean isUserLoggedIn() throws IllegalArgumentException {
HttpSession session =
YourExtendedRemoteServiceServlet.getThreadLocalSession();
if(session.isNew()) {
throw new IllegalArgumentException("Logged out");
}
}
That way you actually see the session check at the correct place and not
hidden in your RemoteServiceServlet implementation.
-- J.
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