<?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\DataCollector;use Symfony\Component\HttpFoundation\RedirectResponse;use Symfony\Component\HttpFoundation\Request;use Symfony\Component\HttpFoundation\Response;use Symfony\Component\HttpKernel\Event\ControllerEvent;/** * @author Fabien Potencier <fabien@symfony.com> */class RouterDataCollector extends DataCollector{    /**     * @var \SplObjectStorage<Request, callable>     */    protected $controllers;    public function __construct()    {        $this->reset();    }    /**     * {@inheritdoc}     *     * @final     */    public function collect(Request $request, Response $response, ?\Throwable $exception = null)    {        if ($response instanceof RedirectResponse) {            $this->data['redirect'] = true;            $this->data['url'] = $response->getTargetUrl();            if ($this->controllers->contains($request)) {                $this->data['route'] = $this->guessRoute($request, $this->controllers[$request]);            }        }        unset($this->controllers[$request]);    }    public function reset()    {        $this->controllers = new \SplObjectStorage();        $this->data = [            'redirect' => false,            'url' => null,            'route' => null,        ];    }    protected function guessRoute(Request $request, $controller)    {        return 'n/a';    }    /**     * Remembers the controller associated to each request.     */    public function onKernelController(ControllerEvent $event)    {        $this->controllers[$event->getRequest()] = $event->getController();    }    /**     * @return bool Whether this request will result in a redirect     */    public function getRedirect()    {        return $this->data['redirect'];    }    /**     * @return string|null     */    public function getTargetUrl()    {        return $this->data['url'];    }    /**     * @return string|null     */    public function getTargetRoute()    {        return $this->data['route'];    }    /**     * {@inheritdoc}     */    public function getName()    {        return 'router';    }}