array( 'version' => array( 'name' => 'Version', 'type' => 'list', 'required' => true, 'title' => 'Select your feed format/version', 'defaultValue' => 'RSS 2.0', 'values' => array( 'RSS 0.91' => 'rss_0_9_1', 'RSS 1.0' => 'rss_1_0', 'RSS 2.0' => 'rss_2_0', 'ATOM 1.0' => 'atom_1_0' ) ) ) ); public function collectData(){ switch($this->getInput('version')){ case 'rss_0_9_1': parent::collectExpandableDatas('http://static.userland.com/gems/backend/sampleRss.xml'); break; case 'rss_1_0': parent::collectExpandableDatas('http://feeds.nature.com/nature/rss/current?format=xml'); break; case 'rss_2_0': parent::collectExpandableDatas('http://feeds.rssboard.org/rssboard?format=xml'); break; case 'atom_1_0': parent::collectExpandableDatas('http://segfault.linuxmint.com/feed/atom/'); break; default: $this->returnClientError('Unknown version ' . $this->getInput('version') . '!'); } } protected function parseRSSItem($newsItem) { switch($this->getInput('version')){ case 'rss_0_9_1': return $this->parseRSS_0_9_1_Item($newsItem); break; case 'rss_1_0': return $this->parseRSS_1_0_Item($newsItem); break; case 'rss_2_0': return $this->parseRSS_2_0_Item($newsItem); break; case 'atom_1_0': return $this->parseATOMItem($newsItem); break; default: $this->returnClientError('Unknown version ' . $this->getInput('version') . '!'); } } }