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- 28.08.2024
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TranslatorListener.php
01 <?php
02
03 /*
04 * This file is part of the Symfony package.
05 *
06 * (c) Fabien Potencier <fabien@symfony.com>
07 *
08 * For the full copyright and license information, please view the LICENSE
09 * file that was distributed with this source code.
10 */
11
12 namespace Symfony\Component\HttpKernel\EventListener;
13
14 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
15 use Symfony\Component\HttpFoundation\Request;
16 use Symfony\Component\HttpFoundation\RequestStack;
17 use Symfony\Component\HttpKernel\Event\FinishRequestEvent;
18 use Symfony\Component\HttpKernel\Event\GetResponseEvent;
19 use Symfony\Component\HttpKernel\KernelEvents;
20 use Symfony\Component\Translation\TranslatorInterface;
21
22 /**
23 * Synchronizes the locale between the request and the translator.
24 *
25 * @author Fabien Potencier <fabien@symfony.com>
26 */
27 class TranslatorListener implements EventSubscriberInterface
28 {
29 private $translator;
30 private $requestStack;
31
32 public function __construct(TranslatorInterface $translator, RequestStack $requestStack)
33 {
34 $this->translator = $translator;
35 $this->requestStack = $requestStack;
36 }
37
38 public function onKernelRequest(GetResponseEvent $event)
39 {
40 $this->setLocale($event->getRequest());
41 }
42
43 public function onKernelFinishRequest(FinishRequestEvent $event)
44 {
45 if (null === $parentRequest = $this->requestStack->getParentRequest()) {
46 return;
47 }
48
49 $this->setLocale($parentRequest);
50 }
51
52 public static function getSubscribedEvents()
53 {
54 return [
55 // must be registered after the Locale listener
56 KernelEvents::REQUEST => [['onKernelRequest', 10]],
57 KernelEvents::FINISH_REQUEST => [['onKernelFinishRequest', 0]],
58 ];
59 }
60
61 private function setLocale(Request $request)
62 {
63 try {
64 $this->translator->setLocale($request->getLocale());
65 } catch (\InvalidArgumentException $e) {
66 $this->translator->setLocale($request->getDefaultLocale());
67 }
68 }
69 }
70