/**
  * Performs authentication and dispatches the request.
  *
  * @param RMF\Request $request
  */
 public function dispatch(RMF\Request $request)
 {
     try {
         $this->authenticator->authenticate($request);
     } catch (Exception $e) {
         $this->view->display($request, $e);
     }
     parent::dispatch($request);
 }