A simple way to build jython (python), jruby, groovy and javascript enabled Java EE applications. Please visit http://code.google.com/p/vroom-request-dispatcher to download the API.
In this video I've demonstrated the request mapping to invoke java methods. You can invoke all those java methods which satisfy following requirements:
public (static) [void|Object] methodName();public (static) [void|Object] methodName(HttpServletRequest);public (static) [void|Object] methodName(HttpServletRequest, HttpServletResponse);