vendor/friendsofsymfony/rest-bundle/EventListener/FormatListener.php line 36

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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;
  20. /**
  21. * This listener handles Accept header format negotiations.
  22. *
  23. * @author Lukas Kahwe Smith <smith@pooteeweet.org>
  24. *
  25. * @internal
  26. */
  27. class FormatListener
  28. {
  29. private $formatNegotiator;
  31. public function __construct(FormatNegotiator $formatNegotiator)
  32. {
  33. $this->formatNegotiator = $formatNegotiator;
  34. }
  36. public function onKernelRequest(RequestEvent $event): void
  37. {
  38. $request = $event->getRequest();
  40. if (!$request->attributes->get(FOSRestBundle::ZONE_ATTRIBUTE, true)) {
  41. return;
  42. }
  44. try {
  45. $format = $request->getRequestFormat(null);
  46. if (null === $format) {
  47. $accept = $this->formatNegotiator->getBest('');
  48. if (null !== $accept && 0.0 < $accept->getQuality()) {
  49. $format = $request->getFormat($accept->getValue());
  50. if (null !== $format) {
  51. $request->attributes->set('media_type', $accept->getValue());
  52. }
  53. }
  54. }
  56. if (null === $format) {
  57. if ($event->isMainRequest()) {
  58. throw new NotAcceptableHttpException('No matching accepted Response format could be determined');
  59. }
  61. return;
  62. }
  64. $request->setRequestFormat($format);
  65. } catch (StopFormatListenerException $e) {
  66. // nothing to do
  67. }
  68. }
  69. }