<?php
/*
* Copyright 2012 Johannes M. Schmitt <schmittjoh@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace JMS\I18nRoutingBundle\EventListener;
use JMS\I18nRoutingBundle\Router\LocaleResolverInterface;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
use Symfony\Component\HttpKernel\HttpKernelInterface;
use Symfony\Component\Routing\Exception\ResourceNotFoundException;
/**
* Chooses the default locale.
*
* This listener chooses the default locale to use on the first request of a
* user to the application.
*
* This listener is only active if the strategy is "prefix".
*
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
class LocaleChoosingListener
{
private $defaultLocale;
private $locales;
private $localeResolver;
public function __construct($defaultLocale, array $locales, LocaleResolverInterface $localeResolver)
{
$this->defaultLocale = $defaultLocale;
$this->locales = $locales;
$this->localeResolver = $localeResolver;
}
public function onKernelException(GetResponseForExceptionEvent $event)
{
if (HttpKernelInterface::MASTER_REQUEST !== $event->getRequestType()) {
return;
}
$request = $event->getRequest();
if ('' !== rtrim($request->getPathInfo(), '/')) {
return;
}
$ex = $event->getException();
if (!$ex instanceof NotFoundHttpException || !$ex->getPrevious() instanceof ResourceNotFoundException) {
return;
}
$locale = $this->localeResolver->resolveLocale($request, $this->locales) ?: $this->defaultLocale;
$request->setLocale($locale);
$params = $request->query->all();
unset($params['hl']);
$event->setResponse(new RedirectResponse($request->getBaseUrl().'/'.$locale.'/'.($params ? '?'.http_build_query($params) : '')));
}
}