Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\HttpKernel\DataCollector;
Chris@0: 
Chris@17: use Symfony\Component\HttpFoundation\RedirectResponse;
Chris@0: use Symfony\Component\HttpFoundation\Request;
Chris@0: use Symfony\Component\HttpFoundation\Response;
Chris@0: use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
Chris@0: 
Chris@0: /**
Chris@0:  * RouterDataCollector.
Chris@0:  *
Chris@0:  * @author Fabien Potencier <fabien@symfony.com>
Chris@0:  */
Chris@0: class RouterDataCollector extends DataCollector
Chris@0: {
Chris@14:     /**
Chris@14:      * @var \SplObjectStorage
Chris@14:      */
Chris@0:     protected $controllers;
Chris@0: 
Chris@0:     public function __construct()
Chris@0:     {
Chris@14:         $this->reset();
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function collect(Request $request, Response $response, \Exception $exception = null)
Chris@0:     {
Chris@0:         if ($response instanceof RedirectResponse) {
Chris@0:             $this->data['redirect'] = true;
Chris@0:             $this->data['url'] = $response->getTargetUrl();
Chris@0: 
Chris@0:             if ($this->controllers->contains($request)) {
Chris@0:                 $this->data['route'] = $this->guessRoute($request, $this->controllers[$request]);
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         unset($this->controllers[$request]);
Chris@0:     }
Chris@0: 
Chris@14:     public function reset()
Chris@14:     {
Chris@14:         $this->controllers = new \SplObjectStorage();
Chris@14: 
Chris@17:         $this->data = [
Chris@14:             'redirect' => false,
Chris@14:             'url' => null,
Chris@14:             'route' => null,
Chris@17:         ];
Chris@14:     }
Chris@14: 
Chris@0:     protected function guessRoute(Request $request, $controller)
Chris@0:     {
Chris@0:         return 'n/a';
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Remembers the controller associated to each request.
Chris@0:      */
Chris@0:     public function onKernelController(FilterControllerEvent $event)
Chris@0:     {
Chris@0:         $this->controllers[$event->getRequest()] = $event->getController();
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * @return bool Whether this request will result in a redirect
Chris@0:      */
Chris@0:     public function getRedirect()
Chris@0:     {
Chris@0:         return $this->data['redirect'];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * @return string|null The target URL
Chris@0:      */
Chris@0:     public function getTargetUrl()
Chris@0:     {
Chris@0:         return $this->data['url'];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * @return string|null The target route
Chris@0:      */
Chris@0:     public function getTargetRoute()
Chris@0:     {
Chris@0:         return $this->data['route'];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function getName()
Chris@0:     {
Chris@0:         return 'router';
Chris@0:     }
Chris@0: }