vendor/friendsofsymfony/rest-bundle/EventListener/FormatListener.php line 37

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  1. <?php
  3. /*
  4. * This file is part of the FOSRestBundle package.
  5. *
  6. * (c) FriendsOfSymfony <http://friendsofsymfony.github.com/>
  7. *
  8. * For the full copyright and license information, please view the LICENSE
  9. * file that was distributed with this source code.
  10. */
  12. namespace FOS\RestBundle\EventListener;
  14. use FOS\RestBundle\FOSRestBundle;
  15. use FOS\RestBundle\Util\StopFormatListenerException;
  16. use FOS\RestBundle\Negotiation\FormatNegotiator;
  17. use Symfony\Component\HttpKernel\Event\RequestEvent;
  18. use Symfony\Component\HttpKernel\Exception\NotAcceptableHttpException;
  19. use Symfony\Component\HttpKernel\HttpKernelInterface;
  21. /**
  22. * This listener handles Accept header format negotiations.
  23. *
  24. * @author Lukas Kahwe Smith <smith@pooteeweet.org>
  25. *
  26. * @internal
  27. */
  28. class FormatListener
  29. {
  30. private $formatNegotiator;
  32. public function __construct(FormatNegotiator $formatNegotiator)
  33. {
  34. $this->formatNegotiator = $formatNegotiator;
  35. }
  37. public function onKernelRequest(RequestEvent $event): void
  38. {
  39. $request = $event->getRequest();
  41. if (!$request->attributes->get(FOSRestBundle::ZONE_ATTRIBUTE, true)) {
  42. return;
  43. }
  45. try {
  46. $format = $request->getRequestFormat(null);
  47. if (null === $format) {
  48. $accept = $this->formatNegotiator->getBest('');
  49. if (null !== $accept && 0.0 < $accept->getQuality()) {
  50. $format = $request->getFormat($accept->getValue());
  51. if (null !== $format) {
  52. $request->attributes->set('media_type', $accept->getValue());
  53. }
  54. }
  55. }
  57. if (null === $format) {
  58. if (HttpKernelInterface::MASTER_REQUEST === $event->getRequestType()) {
  59. throw new NotAcceptableHttpException('No matching accepted Response format could be determined');
  60. }
  62. return;
  63. }
  65. $request->setRequestFormat($format);
  66. } catch (StopFormatListenerException $e) {
  67. // nothing to do
  68. }
  69. }
  70. }