Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Core\EventSubscriber;
Chris@0: 
Chris@0: use Psr\Http\Message\ResponseInterface;
Chris@0: 
Chris@0: use Symfony\Bridge\PsrHttpMessage\HttpFoundationFactoryInterface;
Chris@0: use Symfony\Component\EventDispatcher\EventSubscriberInterface;
Chris@0: use Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent;
Chris@0: use Symfony\Component\HttpKernel\KernelEvents;
Chris@0: 
Chris@0: /**
Chris@0:  * Response subscriber for handling PSR-7 responses.
Chris@0:  */
Chris@0: class PsrResponseSubscriber implements EventSubscriberInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * The httpFoundation factory.
Chris@0:    *
Chris@0:    * @var \Symfony\Bridge\PsrHttpMessage\HttpFoundationFactoryInterface
Chris@0:    */
Chris@0:   protected $httpFoundationFactory;
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a new PathRootsSubscriber instance.
Chris@0:    *
Chris@0:    * @param \Symfony\Bridge\PsrHttpMessage\HttpFoundationFactoryInterface $http_foundation_factory
Chris@0:    *   The httpFoundation factory.
Chris@0:    */
Chris@0:   public function __construct(HttpFoundationFactoryInterface $http_foundation_factory) {
Chris@0:     $this->httpFoundationFactory = $http_foundation_factory;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Converts a PSR-7 response to a Symfony response.
Chris@0:    *
Chris@0:    * @param \Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent $event
Chris@0:    *   The Event to process.
Chris@0:    */
Chris@0:   public function onKernelView(GetResponseForControllerResultEvent $event) {
Chris@0:     $controller_result = $event->getControllerResult();
Chris@0: 
Chris@0:     if ($controller_result instanceof ResponseInterface) {
Chris@0:       $event->setResponse($this->httpFoundationFactory->createResponse($controller_result));
Chris@0:     }
Chris@0: 
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function getSubscribedEvents() {
Chris@0:     $events[KernelEvents::VIEW][] = ['onKernelView'];
Chris@0:     return $events;
Chris@0:   }
Chris@0: 
Chris@0: }