aleph1.co.uk Git - yaffs-website/blob - web/core/lib/Drupal/Core/EventSubscriber/PsrResponseSubscriber.php

   1 <?php
   2
   3 namespace Drupal\Core\EventSubscriber;
   4
   5 use Psr\Http\Message\ResponseInterface;
   6
   7 use Symfony\Bridge\PsrHttpMessage\HttpFoundationFactoryInterface;
   8 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
   9 use Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent;
  10 use Symfony\Component\HttpKernel\KernelEvents;
  11
  12 /**
  13  * Response subscriber for handling PSR-7 responses.
  14  */
  15 class PsrResponseSubscriber implements EventSubscriberInterface {
  16
  17   /**
  18    * The httpFoundation factory.
  19    *
  20    * @var \Symfony\Bridge\PsrHttpMessage\HttpFoundationFactoryInterface
  21    */
  22   protected $httpFoundationFactory;
  23
  24   /**
  25    * Constructs a new PathRootsSubscriber instance.
  26    *
  27    * @param \Symfony\Bridge\PsrHttpMessage\HttpFoundationFactoryInterface $http_foundation_factory
  28    *   The httpFoundation factory.
  29    */
  30   public function __construct(HttpFoundationFactoryInterface $http_foundation_factory) {
  31     $this->httpFoundationFactory = $http_foundation_factory;
  32   }
  33
  34   /**
  35    * Converts a PSR-7 response to a Symfony response.
  36    *
  37    * @param \Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent $event
  38    *   The Event to process.
  39    */
  40   public function onKernelView(GetResponseForControllerResultEvent $event) {
  41     $controller_result = $event->getControllerResult();
  42
  43     if ($controller_result instanceof ResponseInterface) {
  44       $event->setResponse($this->httpFoundationFactory->createResponse($controller_result));
  45     }
  46
  47   }
  48
  49   /**
  50    * {@inheritdoc}
  51    */
  52   public static function getSubscribedEvents() {
  53     $events[KernelEvents::VIEW][] = ['onKernelView'];
  54     return $events;
  55   }
  56
  57 }