public ActionForward execute(ActionMapping mapping,
    ActionForm form,
    HttpServletRequest request,
    HttpServletResponse response) throws Exception 
{
    // --------------------------------------------------------- Public Methods
        // Create a RequestDispatcher the corresponding resource
        String path = mapping.getParameter();
        if (path == null) {
            throw new ServletException(messages.getMessage("forward.path"));
        }
        // Let the controller handle the request
        ActionForward retVal = new ActionForward(path);
        retVal.setContextRelative(true);
        return retVal;
}

Process the specified HTTP request, and create the corresponding HTTP response (or forward to another web component that will create it). Return an ActionForward instance describing where and how control should be forwarded, or null if the response has already been completed.