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- 06.01.2017
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RouterDataCollector.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Component\HttpKernel\DataCollector;
013
014 use Symfony\Component\HttpFoundation\Request;
015 use Symfony\Component\HttpFoundation\Response;
016 use Symfony\Component\HttpFoundation\RedirectResponse;
017 use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
018
019 /**
020 * RouterDataCollector.
021 *
022 * @author Fabien Potencier <fabien@symfony.com>
023 */
024 class RouterDataCollector extends DataCollector
025 {
026 protected $controllers;
027
028 public function __construct()
029 {
030 $this->controllers = new \SplObjectStorage();
031
032 $this->data = array(
033 'redirect' => false,
034 'url' => null,
035 'route' => null,
036 );
037 }
038
039 /**
040 * {@inheritdoc}
041 */
042 public function collect(Request $request, Response $response, \Exception $exception = null)
043 {
044 if ($response instanceof RedirectResponse) {
045 $this->data['redirect'] = true;
046 $this->data['url'] = $response->getTargetUrl();
047
048 if ($this->controllers->contains($request)) {
049 $this->data['route'] = $this->guessRoute($request, $this->controllers[$request]);
050 }
051 }
052
053 unset($this->controllers[$request]);
054 }
055
056 protected function guessRoute(Request $request, $controller)
057 {
058 return 'n/a';
059 }
060
061 /**
062 * Remembers the controller associated to each request.
063 *
064 * @param FilterControllerEvent $event The filter controller event
065 */
066 public function onKernelController(FilterControllerEvent $event)
067 {
068 $this->controllers[$event->getRequest()] = $event->getController();
069 }
070
071 /**
072 * @return bool Whether this request will result in a redirect
073 */
074 public function getRedirect()
075 {
076 return $this->data['redirect'];
077 }
078
079 /**
080 * @return string|null The target URL
081 */
082 public function getTargetUrl()
083 {
084 return $this->data['url'];
085 }
086
087 /**
088 * @return string|null The target route
089 */
090 public function getTargetRoute()
091 {
092 return $this->data['route'];
093 }
094
095 /**
096 * {@inheritdoc}
097 */
098 public function getName()
099 {
100 return 'router';
101 }
102 }
103