AlkantarClanX12
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HttpKernel\EventListener;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpKernel\Event\FinishRequestEvent;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Routing\RequestContextAwareInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
/**
* Initializes the locale based on the current request.
*
* This listener works in 2 modes:
*
* * 2.3 compatibility mode where you must call setRequest whenever the Request changes.
* * 2.4+ mode where you must pass a RequestStack instance in the constructor.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class LocaleListener implements EventSubscriberInterface
{
private $router;
private $defaultLocale;
private $requestStack;
/**
* RequestStack will become required in 3.0.
*/
public function __construct($defaultLocale = 'en', RequestContextAwareInterface $router = null, RequestStack $requestStack = null)
{
$this->defaultLocale = $defaultLocale;
$this->requestStack = $requestStack;
$this->router = $router;
}
/**
* Sets the current Request.
*
* This method was used to synchronize the Request, but as the HttpKernel
* is doing that automatically now, you should never call it directly.
* It is kept public for BC with the 2.3 version.
*
* @param Request|null $request A Request instance
*
* @deprecated Deprecated since version 2.4, to be removed in 3.0.
*/
public function setRequest(Request $request = null)
{
if (null === $request) {
return;
}
$this->setLocale($request);
$this->setRouterContext($request);
}
public function onKernelRequest(GetResponseEvent $event)
{
$request = $event->getRequest();
$request->setDefaultLocale($this->defaultLocale);
$this->setLocale($request);
$this->setRouterContext($request);
}
public function onKernelFinishRequest(FinishRequestEvent $event)
{
if (null === $this->requestStack) {
return; // removed when requestStack is required
}
if (null !== $parentRequest = $this->requestStack->getParentRequest()) {
$this->setRouterContext($parentRequest);
}
}
private function setLocale(Request $request)
{
if ($locale = $request->attributes->get('_locale')) {
$request->setLocale($locale);
}
}
private function setRouterContext(Request $request)
{
if (null !== $this->router) {
$this->router->getContext()->setParameter('_locale', $request->getLocale());
}
}
public static function getSubscribedEvents()
{
return array(
// must be registered after the Router to have access to the _locale
KernelEvents::REQUEST => array(array('onKernelRequest', 16)),
KernelEvents::FINISH_REQUEST => array(array('onKernelFinishRequest', 0)),
);
}
}