class ParamConverterSubscriber

Same name in other branches
  1. 9 core/lib/Drupal/Core/EventSubscriber/ParamConverterSubscriber.php \Drupal\Core\EventSubscriber\ParamConverterSubscriber
  2. 10 core/lib/Drupal/Core/EventSubscriber/ParamConverterSubscriber.php \Drupal\Core\EventSubscriber\ParamConverterSubscriber
  3. 11.x core/lib/Drupal/Core/EventSubscriber/ParamConverterSubscriber.php \Drupal\Core\EventSubscriber\ParamConverterSubscriber

Event subscriber for registering parameter converters with routes.

Hierarchy

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

Expanded class hierarchy of ParamConverterSubscriber

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
View source 
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

Title Modifiers Object type Summary
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.

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.