www.aleph1.co.uk Git - yaffs-website/blob - web/core/modules/system/tests/modules/service_provider_test/src/TestClass.php

   1 <?php
   2
   3 namespace Drupal\service_provider_test;
   4
   5 use Drupal\Core\State\StateInterface;
   6 use Drupal\Core\DestructableInterface;
   7 use Symfony\Component\DependencyInjection\ContainerAwareInterface;
   8 use Symfony\Component\DependencyInjection\ContainerAwareTrait;
   9 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  10 use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
  11 use Symfony\Component\HttpKernel\Event\GetResponseEvent;
  12 use Symfony\Component\HttpKernel\KernelEvents;
  13
  14 class TestClass implements EventSubscriberInterface, DestructableInterface, ContainerAwareInterface {
  15
  16   use ContainerAwareTrait;
  17
  18   /**
  19    * The state keyvalue collection.
  20    *
  21    * @var \Drupal\Core\State\StateInterface
  22    */
  23   protected $state;
  24
  25   /**
  26    * Constructor.
  27    *
  28    * @param \Drupal\Core\State\StateInterface $state
  29    *   The state key value store.
  30    */
  31   public function __construct(StateInterface $state) {
  32     $this->state = $state;
  33   }
  34
  35   /**
  36    * A simple kernel listener method.
  37    */
  38   public function onKernelRequestTest(GetResponseEvent $event) {
  39     \Drupal::messenger()->addStatus(t('The service_provider_test event subscriber fired!'));
  40   }
  41
  42   /**
  43    * Flags the response in case a rebuild indicator is used.
  44    */
  45   public function onKernelResponseTest(FilterResponseEvent $event) {
  46     if ($this->container->hasParameter('container_rebuild_indicator')) {
  47       $event->getResponse()->headers->set('container_rebuild_indicator', $this->container->getParameter('container_rebuild_indicator'));
  48     }
  49     if ($this->container->hasParameter('container_rebuild_test_parameter')) {
  50       $event->getResponse()->headers->set('container_rebuild_test_parameter', $this->container->getParameter('container_rebuild_test_parameter'));
  51     }
  52   }
  53
  54   /**
  55    * Registers methods as kernel listeners.
  56    *
  57    * @return array
  58    *   An array of event listener definitions.
  59    */
  60   public static function getSubscribedEvents() {
  61     $events[KernelEvents::REQUEST][] = ['onKernelRequestTest'];
  62     $events[KernelEvents::RESPONSE][] = ['onKernelResponseTest'];
  63     return $events;
  64   }
  65
  66   /**
  67    * {@inheritdoc}
  68    */
  69   public function destruct() {
  70     $this->state->set('service_provider_test.destructed', TRUE);
  71   }
  72
  73 }