vendor/symfony/http-kernel/EventListener/LocaleAwareListener.php line 40

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  1. <?php
  3. /*
  4. * This file is part of the Symfony package.
  5. *
  6. * (c) Fabien Potencier <[email protected]>
  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 Symfony\Component\HttpKernel\EventListener;
  14. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  15. use Symfony\Component\HttpFoundation\RequestStack;
  16. use Symfony\Component\HttpKernel\Event\FinishRequestEvent;
  17. use Symfony\Component\HttpKernel\Event\RequestEvent;
  18. use Symfony\Component\HttpKernel\KernelEvents;
  19. use Symfony\Contracts\Translation\LocaleAwareInterface;
  21. /**
  22. * Pass the current locale to the provided services.
  23. *
  24. * @author Pierre Bobiet <[email protected]>
  25. */
  26. class LocaleAwareListener implements EventSubscriberInterface
  27. {
  28. private $localeAwareServices;
  29. private $requestStack;
  31. /**
  32. * @param iterable<mixed, LocaleAwareInterface> $localeAwareServices
  33. */
  34. public function __construct(iterable $localeAwareServices, RequestStack $requestStack)
  35. {
  36. $this->localeAwareServices = $localeAwareServices;
  37. $this->requestStack = $requestStack;
  38. }
  40. public function onKernelRequest(RequestEvent $event): void
  41. {
  42. $this->setLocale($event->getRequest()->getLocale(), $event->getRequest()->getDefaultLocale());
  43. }
  45. public function onKernelFinishRequest(FinishRequestEvent $event): void
  46. {
  47. if (null === $parentRequest = $this->requestStack->getParentRequest()) {
  48. foreach ($this->localeAwareServices as $service) {
  49. $service->setLocale($event->getRequest()->getDefaultLocale());
  50. }
  52. return;
  53. }
  55. $this->setLocale($parentRequest->getLocale(), $parentRequest->getDefaultLocale());
  56. }
  58. public static function getSubscribedEvents()
  59. {
  60. return [
  61. // must be registered after the Locale listener
  62. KernelEvents::REQUEST => [['onKernelRequest', 15]],
  63. KernelEvents::FINISH_REQUEST => [['onKernelFinishRequest', -15]],
  64. ];
  65. }
  67. private function setLocale(string $locale, string $defaultLocale): void
  68. {
  69. foreach ($this->localeAwareServices as $service) {
  70. try {
  71. $service->setLocale($locale);
  72. } catch (\InvalidArgumentException $e) {
  73. $service->setLocale($defaultLocale);
  74. }
  75. }
  76. }
  77. }