protected function getRSSView()
    {
        if (! isset($this->viewsData['rssFeedView']) || ! @$this->viewsData['rssFeedView']) {
            return null;
        }

        if (! $this->viewFactory->exists($this->viewsData['rssFeedView'])) {
            throw new \Exception(sprintf('The "%s" view is not found. Make sure the rssFeedView configuration key is correct.', $this->viewsData['rssFeedView']));
        }

        return $this->viewsData['rssFeedView'];
    }