public void filterResourceURL(ResourceURL resourceURL) {
   PortletURLGenerationListener delegate = getListener();
   if (delegate != null) {
     delegate.filterResourceURL(resourceURL);
   }
 }
 public void filterRenderURL(PortletURL portletURL) {
   PortletURLGenerationListener delegate = getListener();
   if (delegate != null) {
     delegate.filterRenderURL(portletURL);
   }
 }