Source of file FeedStrategy.php
Size: 3,096 Bytes - Last Modified: 2014-03-12T23:21:18+01:00
/home/theseer/Downloads/ZendFramework-2.3.0/library/Zend/View/Strategy/FeedStrategy.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113 | <?php /** * Zend Framework (http://framework.zend.com/) * * @link http://github.com/zendframework/zf2 for the canonical source repository * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ namespace Zend\View\Strategy; use Zend\EventManager\AbstractListenerAggregate; use Zend\EventManager\EventManagerInterface; use Zend\Feed\Writer\Feed; use Zend\View\Model; use Zend\View\Renderer\FeedRenderer; use Zend\View\ViewEvent; class FeedStrategy extends AbstractListenerAggregate { /** * @var FeedRenderer */ protected $renderer; /** * Constructor * * @param FeedRenderer $renderer */ public function __construct(FeedRenderer $renderer) { $this->renderer = $renderer; } /** * {@inheritDoc} */ public function attach(EventManagerInterface $events, $priority = 1) { $this->listeners[] = $events->attach(ViewEvent::EVENT_RENDERER, array($this, 'selectRenderer'), $priority); $this->listeners[] = $events->attach(ViewEvent::EVENT_RESPONSE, array($this, 'injectResponse'), $priority); } /** * Detect if we should use the FeedRenderer based on model type and/or * Accept header * * @param ViewEvent $e * @return null|FeedRenderer */ public function selectRenderer(ViewEvent $e) { $model = $e->getModel(); if (!$model instanceof Model\FeedModel) { // no FeedModel present; do nothing return; } // FeedModel found return $this->renderer; } /** * Inject the response with the feed payload and appropriate Content-Type header * * @param ViewEvent $e * @return void */ public function injectResponse(ViewEvent $e) { $renderer = $e->getRenderer(); if ($renderer !== $this->renderer) { // Discovered renderer is not ours; do nothing return; } $result = $e->getResult(); if (!is_string($result) && !$result instanceof Feed) { // We don't have a string, and thus, no feed return; } // If the result is a feed, export it if ($result instanceof Feed) { $result = $result->export($renderer->getFeedType()); } // Get the content-type header based on feed type $feedType = $renderer->getFeedType(); $feedType = ('rss' == $feedType) ? 'application/rss+xml' : 'application/atom+xml'; $model = $e->getModel(); $charset = ''; if ($model instanceof Model\FeedModel) { $feed = $model->getFeed(); $charset = '; charset=' . $feed->getEncoding() . ';'; } // Populate response $response = $e->getResponse(); $response->setContent($result); $headers = $response->getHeaders(); $headers->addHeaderLine('content-type', $feedType . $charset); } } |