PsrResponseSubscriber.php 1.6 KB

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