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view core/lib/Drupal/Core/EventSubscriber/ParamConverterSubscriber.php @ 19:fa3358dc1485 tip
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author | Chris Cannam |
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date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 4c8ae668cc8c |
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<?php namespace Drupal\Core\EventSubscriber; use Drupal\Core\ParamConverter\ParamConverterManagerInterface; use Symfony\Component\EventDispatcher\EventSubscriberInterface; use Drupal\Core\Routing\RoutingEvents; use Drupal\Core\Routing\RouteBuildEvent; /** * Event subscriber for registering parameter converters with routes. */ 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; } }