protected function defaultHandler()
    {
        if ($this->runExtensions(self::BEFORE_DEFAULT, $this->result)) {
            $status  = $this->result->getStatus();
            $handler = $this->getHandler($status);
            if ($handler) {
                $handler($this->result);
            } else {
                echo Message::get(Message::DEBUG_NEED_HANDLER, $status);
            }
            $this->runExtensions(self::AFTER_DEFAULT, $this->result);
        }
        return false;
    }