yaffs.net Git - yaffs-website/blob - web/core/lib/Drupal/Core/EventSubscriber/ParamConverterSubscriber.php

   1 <?php
   2
   3 namespace Drupal\Core\EventSubscriber;
   4
   5 use Drupal\Core\ParamConverter\ParamConverterManagerInterface;
   6 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
   7 use Drupal\Core\Routing\RoutingEvents;
   8 use Drupal\Core\Routing\RouteBuildEvent;
   9
  10 /**
  11  * Event subscriber for registering parameter converters with routes.
  12  */
  13 class ParamConverterSubscriber implements EventSubscriberInterface {
  14
  15   /**
  16    * The parameter converter manager.
  17    *
  18    * @var \Drupal\Core\ParamConverter\ParamConverterManagerInterface
  19    */
  20   protected $paramConverterManager;
  21
  22   /**
  23    * Constructs a new ParamConverterSubscriber.
  24    *
  25    * @param \Drupal\Core\ParamConverter\ParamConverterManagerInterface $param_converter_manager
  26    *   The parameter converter manager that will be responsible for upcasting
  27    *   request attributes.
  28    */
  29   public function __construct(ParamConverterManagerInterface $param_converter_manager) {
  30     $this->paramConverterManager = $param_converter_manager;
  31   }
  32
  33   /**
  34    * Applies parameter converters to route parameters.
  35    *
  36    * @param \Drupal\Core\Routing\RouteBuildEvent $event
  37    *   The event to process.
  38    */
  39   public function onRoutingRouteAlterSetParameterConverters(RouteBuildEvent $event) {
  40     $this->paramConverterManager->setRouteParameterConverters($event->getRouteCollection());
  41   }
  42
  43   /**
  44    * {@inheritdoc}
  45    */
  46   public static function getSubscribedEvents() {
  47     // Run after \Drupal\system\EventSubscriber\AdminRouteSubscriber.
  48     $events[RoutingEvents::ALTER][] = ['onRoutingRouteAlterSetParameterConverters', -220];
  49     return $events;
  50   }
  51
  52 }