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- 27.10.2014
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LocaleListener.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\HttpKernel\Event\GetResponseEvent;
15 use Symfony\Component\HttpKernel\KernelEvents;
16 use Symfony\Component\HttpFoundation\Request;
17 use Symfony\Component\Routing\RequestContextAwareInterface;
18 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
19
20 /**
21 * Initializes the locale based on the current request.
22 *
23 * @author Fabien Potencier <fabien@symfony.com>
24 */
25 class LocaleListener implements EventSubscriberInterface
26 {
27 private $router;
28 private $defaultLocale;
29
30 public function __construct($defaultLocale = 'en', RequestContextAwareInterface $router = null)
31 {
32 $this->defaultLocale = $defaultLocale;
33 $this->router = $router;
34 }
35
36 public function setRequest(Request $request = null)
37 {
38 if (null === $request) {
39 return;
40 }
41
42 if ($locale = $request->attributes->get('_locale')) {
43 $request->setLocale($locale);
44 }
45
46 if (null !== $this->router) {
47 $this->router->getContext()->setParameter('_locale', $request->getLocale());
48 }
49 }
50
51 public function onKernelRequest(GetResponseEvent $event)
52 {
53 $request = $event->getRequest();
54 $request->setDefaultLocale($this->defaultLocale);
55
56 $this->setRequest($request);
57 }
58
59 public static function getSubscribedEvents()
60 {
61 return array(
62 // must be registered after the Router to have access to the _locale
63 KernelEvents::REQUEST => array(array('onKernelRequest', 16)),
64 );
65 }
66 }
67