ContentTypeHeaderMatcher.php in Zircon Profile 8
Same filename and directory in other branches
Namespace
Drupal\Core\RoutingFile
core/lib/Drupal/Core/Routing/ContentTypeHeaderMatcher.phpView source
<?php
/**
* @file
* Contains \Drupal\Core\Routing\ContentTypeHeaderMatcher.
*/
namespace Drupal\Core\Routing;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\Exception\UnsupportedMediaTypeHttpException;
use Symfony\Component\Routing\Route;
use Symfony\Component\Routing\RouteCollection;
/**
* Filters routes based on the HTTP Content-type header.
*/
class ContentTypeHeaderMatcher implements RouteFilterInterface {
/**
* {@inheritdoc}
*/
public function filter(RouteCollection $collection, Request $request) {
// The Content-type header does not make sense on GET requests, because GET
// requests do not carry any content. Nothing to filter in this case.
if ($request
->isMethod('GET')) {
return $collection;
}
$format = $request
->getContentType();
foreach ($collection as $name => $route) {
$supported_formats = array_filter(explode('|', $route
->getRequirement('_content_type_format')));
if (empty($supported_formats)) {
// No restriction on the route, so we move the route to the end of the
// collection by re-adding it. That way generic routes sink down in the
// list and exact matching routes stay on top.
$collection
->add($name, $route);
}
elseif (!in_array($format, $supported_formats)) {
$collection
->remove($name);
}
}
if (count($collection)) {
return $collection;
}
// We do not throw a
// \Symfony\Component\Routing\Exception\ResourceNotFoundException here
// because we don't want to return a 404 status code, but rather a 415.
throw new UnsupportedMediaTypeHttpException('No route found that matches the Content-Type header.');
}
/**
* {@inheritdoc}
*/
public function applies(Route $route) {
return TRUE;
}
}
Classes
Name | Description |
---|---|
ContentTypeHeaderMatcher | Filters routes based on the HTTP Content-type header. |