aleph1.co.uk Git - yaffs-website/blob - web/core/lib/Drupal/Core/EventSubscriber/RouteFilterSubscriber.php

   1 <?php
   2
   3 namespace Drupal\Core\EventSubscriber;
   4
   5 use Drupal\Core\Routing\LazyRouteFilter;
   6 use Drupal\Core\Routing\RouteBuildEvent;
   7 use Drupal\Core\Routing\RoutingEvents;
   8 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
   9
  10 /**
  11  * Listens to the filtered collection of route instances.
  12  */
  13 class RouteFilterSubscriber implements EventSubscriberInterface {
  14
  15   /**
  16    * The lazy route filter.
  17    *
  18    * @var \Drupal\Core\Routing\LazyRouteFilter
  19    */
  20   protected $routeFilter;
  21
  22   /**
  23    * Constructs the RouteFilterSubscriber object.
  24    *
  25    * @param \Drupal\Core\Routing\LazyRouteFilter $route_filter
  26    *   The lazy route filter.
  27    */
  28   public function __construct(LazyRouteFilter $route_filter) {
  29     $this->routeFilter = $route_filter;
  30   }
  31
  32   /**
  33    * Get the Response object from filtered route collection.
  34    *
  35    * @param \Drupal\Core\Routing\RouteBuildEvent $event
  36    *   The route build event.
  37    */
  38   public function onRouteAlter(RouteBuildEvent $event) {
  39     $this->routeFilter->setFilters($event->getRouteCollection());
  40   }
  41
  42   /**
  43    * {@inheritdoc}
  44    */
  45   public static function getSubscribedEvents() {
  46     $events[RoutingEvents::ALTER][] = ['onRouteAlter', -300];
  47     return $events;
  48   }
  49
  50 }