class ParamConverterSubscriber in Drupal 9

Event subscriber for registering parameter converters with routes.

Hierarchy

• class \Drupal\Core\EventSubscriber\ParamConverterSubscriber implements \Symfony\Component\EventDispatcher\EventSubscriberInterface

1 string reference to 'ParamConverterSubscriber'

core.services.yml in core/core.services.yml

core/core.services.yml

1 service uses ParamConverterSubscriber

paramconverter_subscriber in core/core.services.yml

Drupal\Core\EventSubscriber\ParamConverterSubscriber

File

core/lib/Drupal/Core/EventSubscriber/ParamConverterSubscriber.php, line 13

Namespace

Drupal\Core\EventSubscriber

class ParamConverterSubscriber implements EventSubscriberInterface {

  /**
   * The parameter converter manager.
   *
   * @var \Drupal\Core\ParamConverter\ParamConverterManagerInterface
   */
  protected $paramConverterManager;

  /**
   * Constructs a new ParamConverterSubscriber.
   *
   * @param \Drupal\Core\ParamConverter\ParamConverterManagerInterface $param_converter_manager
   *   The parameter converter manager that will be responsible for upcasting
   *   request attributes.
   */
  public function __construct(ParamConverterManagerInterface $param_converter_manager) {
    $this->paramConverterManager = $param_converter_manager;
  }

  /**
   * Applies parameter converters to route parameters.
   *
   * @param \Drupal\Core\Routing\RouteBuildEvent $event
   *   The event to process.
   */
  public function onRoutingRouteAlterSetParameterConverters(RouteBuildEvent $event) {
    $this->paramConverterManager
      ->setRouteParameterConverters($event
      ->getRouteCollection());
  }

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {

    // Run after \Drupal\system\EventSubscriber\AdminRouteSubscriber.
    $events[RoutingEvents::ALTER][] = [
      'onRoutingRouteAlterSetParameterConverters',
      -220,
    ];
    return $events;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ParamConverterSubscriber::$paramConverterManager	protected	property	The parameter converter manager.
ParamConverterSubscriber::getSubscribedEvents	public static	function
ParamConverterSubscriber::onRoutingRouteAlterSetParameterConverters	public	function	Applies parameter converters to route parameters.
ParamConverterSubscriber::__construct	public	function	Constructs a new ParamConverterSubscriber.