<?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\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\HttpKernel\Event\FinishRequestEvent;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\Translation\TranslatorInterface;
/**
* Synchronizes the locale between the request and the translator.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class TranslatorListener implements EventSubscriberInterface
{
private $translator;
private $requestStack;
public function __construct(TranslatorInterface $translator, RequestStack $requestStack)
{
$this->translator = $translator;
$this->requestStack = $requestStack;
}
public function onKernelRequest(GetResponseEvent $event)
{
$this->setLocale($event->getRequest());
}
public function onKernelFinishRequest(FinishRequestEvent $event)
{
if (null === $parentRequest = $this->requestStack->getParentRequest()) {
return;
}
$this->setLocale($parentRequest);
}
public static function getSubscribedEvents()
{
return array(
// must be registered after the Locale listener
KernelEvents::REQUEST => array(array('onKernelRequest', 10)),
KernelEvents::FINISH_REQUEST => array(array('onKernelFinishRequest', 0)),
);
}
private function setLocale(Request $request)
{
try {
$this->translator->setLocale($request->getLocale());
} catch (\InvalidArgumentException $e) {
$this->translator->setLocale($request->getDefaultLocale());
}
}
}