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

  1. <?php
  3. /*
  4.  * This file is part of the Symfony package.
  5.  *
  6.  * (c) Fabien Potencier <fabien@symfony.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 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 <pierrebobiet@gmail.com>
  25.  */
  26. class LocaleAwareListener implements EventSubscriberInterface
  27. {
  28.     private iterable $localeAwareServices;
  29.     private RequestStack $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(): array
  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) {
  73.                 $service->setLocale($defaultLocale);
  74.             }
  75.         }
  76.     }
  77. }