aleph1.co.uk Git - yaffs-website/blob - web/core/modules/system/tests/modules/form_test/src/EventSubscriber/FormTestEventSubscriber.php

   1 <?php
   2
   3 namespace Drupal\form_test\EventSubscriber;
   4
   5 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
   6 use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
   7 use Symfony\Component\HttpKernel\Event\GetResponseEvent;
   8 use Symfony\Component\HttpKernel\KernelEvents;
   9
  10 /**
  11  * Test event subscriber to add new attributes to the request.
  12  */
  13 class FormTestEventSubscriber implements EventSubscriberInterface {
  14
  15   /**
  16    * Adds custom attributes to the request object.
  17    *
  18    * @param \Symfony\Component\HttpKernel\Event\GetResponseEvent $event
  19    *   The kernel request event.
  20    */
  21   public function onKernelRequest(GetResponseEvent $event) {
  22     $request = $event->getRequest();
  23     $request->attributes->set('custom_attributes', 'custom_value');
  24     $request->attributes->set('request_attribute', 'request_value');
  25   }
  26
  27   /**
  28    * Adds custom headers to the response.
  29    *
  30    * @param \Symfony\Component\HttpKernel\Event\GetResponseEvent $event
  31    *   The kernel request event.
  32    */
  33   public function onKernelResponse(FilterResponseEvent $event) {
  34     $response = $event->getResponse();
  35     $response->headers->set('X-Form-Test-Response-Event', 'invoked');
  36   }
  37
  38   /**
  39    * {@inheritdoc}
  40    */
  41   public static function getSubscribedEvents() {
  42     $events[KernelEvents::REQUEST][] = ['onKernelRequest'];
  43     $events[KernelEvents::RESPONSE][] = ['onKernelResponse'];
  44     return $events;
  45   }
  46
  47 }