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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\Core\EventSubscriber\PathSubscriber. | |
| */ | |
| namespace Drupal\Core\EventSubscriber; | |
| use Drupal\Core\Path\AliasManagerInterface; | |
| use Drupal\Core\Path\CurrentPathStack; | |
| use Symfony\Component\HttpKernel\HttpKernelInterface; | |
| use Symfony\Component\HttpKernel\KernelEvents; | |
| use Symfony\Component\HttpKernel\Event\FilterControllerEvent; | |
| use Symfony\Component\HttpKernel\Event\PostResponseEvent; | |
| use Symfony\Component\EventDispatcher\EventSubscriberInterface; | |
| /** | |
| * Provides a path subscriber that converts path aliases. | |
| */ | |
| class PathSubscriber implements EventSubscriberInterface { | |
| /** | |
| * The alias manager that caches alias lookups based on the request. | |
| * | |
| * @var \Drupal\Core\Path\AliasManagerInterface | |
| */ | |
| protected $aliasManager; | |
| /** | |
| * The current path. | |
| * | |
| * @var \Drupal\Core\Path\CurrentPathStack | |
| */ | |
| protected $currentPath; | |
| /** | |
| * Constructs a new PathSubscriber instance. | |
| * | |
| * @param \Drupal\Core\Path\AliasManagerInterface $alias_manager | |
| * The alias manager. | |
| * @param \Drupal\Core\Path\CurrentPathStack $current_path | |
| * The current path. | |
| */ | |
| public function __construct(AliasManagerInterface $alias_manager, CurrentPathStack $current_path) { | |
| $this->aliasManager = $alias_manager; | |
| $this->currentPath = $current_path; | |
| } | |
| /** | |
| * Sets the cache key on the alias manager cache decorator. | |
| * | |
| * KernelEvents::CONTROLLER is used in order to be executed after routing. | |
| * | |
| * @param \Symfony\Component\HttpKernel\Event\FilterControllerEvent $event | |
| * The Event to process. | |
| */ | |
| public function onKernelController(FilterControllerEvent $event) { | |
| // Set the cache key on the alias manager cache decorator. | |
| if ($event->getRequestType() == HttpKernelInterface::MASTER_REQUEST) { | |
| $this->aliasManager->setCacheKey(rtrim($this->currentPath->getPath($event->getRequest()), '/')); | |
| } | |
| } | |
| /** | |
| * Ensures system paths for the request get cached. | |
| */ | |
| public function onKernelTerminate(PostResponseEvent $event) { | |
| $this->aliasManager->writeCache(); | |
| } | |
| /** | |
| * Registers the methods in this class that should be listeners. | |
| * | |
| * @return array | |
| * An array of event listener definitions. | |
| */ | |
| static function getSubscribedEvents() { | |
| $events[KernelEvents::CONTROLLER][] = array('onKernelController', 200); | |
| $events[KernelEvents::TERMINATE][] = array('onKernelTerminate', 200); | |
| return $events; | |
| } | |
| } |