/**
* 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) {
// FeedModel found
return $this->renderer;
}
$request = $e->getRequest();
if (!$request instanceof HttpRequest) {
// Not an HTTP request; cannot autodetermine
return;
}
$headers = $request->getHeaders();
if (!$headers->has('accept')) {
return;
}
$accept = $headers->get('accept');
if (($match = $accept->match('application/rss+xml, application/atom+xml')) == false) {
return;
}
if ($match->getTypeString() == 'application/rss+xml') {
$this->renderer->setFeedType('rss');
return $this->renderer;
}
if ($match->getTypeString() == 'application/atom+xml') {
$this->renderer->setFeedType('atom');
return $this->renderer;
}
}
/**
* 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) {
// FeedModel found
return $this->renderer;
}
$request = $e->getRequest();
if (!$request instanceof HttpRequest) {
// Not an HTTP request; cannot autodetermine
return;
}
$headers = $request->headers();
if ($headers->has('accept')) {
$accept = $headers->get('accept');
foreach ($accept->getPrioritized() as $mediaType) {
if (0 === strpos($mediaType, 'application/rss+xml')) {
// application/rss+xml Accept header found
$this->renderer->setFeedType('rss');
return $this->renderer;
}
if (0 === strpos($mediaType, 'application/atom+xml')) {
// application/atom+xml Accept header found
$this->renderer->setFeedType('atom');
return $this->renderer;
}
}
}
// Not matched!
return;
}
/**
* @param ViewEvent $e The ViewEvent instance
* @return void
*/
public function injectResponse($e)
{
$renderer = $e->getRenderer();
$response = $e->getResponse();
$result = $e->getResult();
if ($renderer === $this->jsonRenderer) {
// JSON Renderer; set content-type header
$headers = $response->getHeaders();
$headers->addHeaderLine('content-type', 'application/json');
} elseif ($renderer === $this->feedRenderer) {
// Feed Renderer; set content-type header, and export the feed if
// necessary
$feedType = $this->feedRenderer->getFeedType();
$headers = $response->getHeaders();
$mediatype = 'application/' . ('rss' == $feedType ? 'rss' : 'atom') . '+xml';
$headers->addHeaderLine('content-type', $mediatype);
// If the $result is a feed, export it
if ($result instanceof Feed) {
$result = $result->export($feedType);
}
} elseif ($renderer !== $this->phpRenderer) {
// Not a renderer we support, therefor not our strategy. Return
return;
}
// Inject the content
$response->setContent($result);
}
