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Name	Size	Permission
ErrorsLoggerListener.php	1.2 KB	-rw-r--r--
EsiListener.php	1.4 KB	-rw-r--r--
ExceptionListener.php	4.22 KB	-rw-r--r--
FragmentListener.php	3.38 KB	-rw-r--r--
LocaleListener.php	3.33 KB	-rw-r--r--
ProfilerListener.php	5.38 KB	-rw-r--r--
ResponseListener.php	1.37 KB	-rw-r--r--
RouterListener.php	6.54 KB	-rw-r--r--
SessionListener.php	1.41 KB	-rw-r--r--
StreamedResponseListener.php	1.29 KB	-rw-r--r--
TestSessionListener.php	2.56 KB	-rw-r--r--

Code Editor : RouterListener.php

<?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 Psr\Log\LoggerInterface;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpKernel\Event\FinishRequestEvent;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\HttpKernel\Exception\MethodNotAllowedHttpException;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\Routing\Exception\MethodNotAllowedException;
use Symfony\Component\Routing\Exception\ResourceNotFoundException;
use Symfony\Component\Routing\Matcher\UrlMatcherInterface;
use Symfony\Component\Routing\Matcher\RequestMatcherInterface;
use Symfony\Component\Routing\RequestContext;
use Symfony\Component\Routing\RequestContextAwareInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpFoundation\Request;

/**
 * Initializes the context from the request and sets request attributes based on a matching route.
 *
 * This listener works in 2 modes:
 *
 *  * 2.3 compatibility mode where you must call setRequest whenever the Request changes.
 *  * 2.4+ mode where you must pass a RequestStack instance in the constructor.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class RouterListener implements EventSubscriberInterface
{
    private $matcher;
    private $context;
    private $logger;
    private $request;
    private $requestStack;

/**
     * Constructor.
     *
     * RequestStack will become required in 3.0.
     *
     * @param UrlMatcherInterface|RequestMatcherInterface $matcher The Url or Request matcher
     * @param RequestContext|null                         $context The RequestContext (can be null when $matcher implements RequestContextAwareInterface)
     * @param LoggerInterface|null                        $logger  The logger
     *
     * @throws \InvalidArgumentException
     */
    public function __construct($matcher, RequestContext $context = null, LoggerInterface $logger = null, RequestStack $requestStack = null)
    {
        if (!$matcher instanceof UrlMatcherInterface && !$matcher instanceof RequestMatcherInterface) {
            throw new \InvalidArgumentException('Matcher must either implement UrlMatcherInterface or RequestMatcherInterface.');
        }

if (null === $context && !$matcher instanceof RequestContextAwareInterface) {
            throw new \InvalidArgumentException('You must either pass a RequestContext or the matcher must implement RequestContextAwareInterface.');
        }

$this->matcher = $matcher;
        $this->context = $context ?: $matcher->getContext();
        $this->requestStack = $requestStack;
        $this->logger = $logger;
    }

/**
     * Sets the current Request.
     *
     * This method was used to synchronize the Request, but as the HttpKernel
     * is doing that automatically now, you should never call it directly.
     * It is kept public for BC with the 2.3 version.
     *
     * @param Request|null $request A Request instance
     *
     * @deprecated Deprecated since version 2.4, to be moved to a private function in 3.0.
     */
    public function setRequest(Request $request = null)
    {
        if (null !== $request && $this->request !== $request) {
            $this->context->fromRequest($request);
        }
        $this->request = $request;
    }

public function onKernelFinishRequest(FinishRequestEvent $event)
    {
        if (null === $this->requestStack) {
            return; // removed when requestStack is required
        }

$this->setRequest($this->requestStack->getParentRequest());
    }

public function onKernelRequest(GetResponseEvent $event)
    {
        $request = $event->getRequest();

// initialize the context that is also used by the generator (assuming matcher and generator share the same context instance)
        // we call setRequest even if most of the time, it has already been done to keep compatibility
        // with frameworks which do not use the Symfony service container
        // when we have a RequestStack, no need to do it
        if (null !== $this->requestStack) {
            $this->setRequest($request);
        }

if ($request->attributes->has('_controller')) {
            // routing is already done
            return;
        }

// add attributes based on the request (routing)
        try {
            // matching a request is more powerful than matching a URL path + context, so try that first
            if ($this->matcher instanceof RequestMatcherInterface) {
                $parameters = $this->matcher->matchRequest($request);
            } else {
                $parameters = $this->matcher->match($request->getPathInfo());
            }

if (null !== $this->logger) {
                $this->logger->info(sprintf('Matched route "%s" (parameters: %s)', $parameters['_route'], $this->parametersToString($parameters)));
            }

$request->attributes->add($parameters);
            unset($parameters['_route']);
            unset($parameters['_controller']);
            $request->attributes->set('_route_params', $parameters);
        } catch (ResourceNotFoundException $e) {
            $message = sprintf('No route found for "%s %s"', $request->getMethod(), $request->getPathInfo());

if ($referer = $request->headers->get('referer')) {
                $message .= sprintf(' (from "%s")', $referer);
            }

throw new NotFoundHttpException($message, $e);
        } catch (MethodNotAllowedException $e) {
            $message = sprintf('No route found for "%s %s": Method Not Allowed (Allow: %s)', $request->getMethod(), $request->getPathInfo(), implode(', ', $e->getAllowedMethods()));

throw new MethodNotAllowedHttpException($e->getAllowedMethods(), $message, $e);
        }
    }

private function parametersToString(array $parameters)
    {
        $pieces = array();
        foreach ($parameters as $key => $val) {
            $pieces[] = sprintf('"%s": "%s"', $key, (is_string($val) ? $val : json_encode($val)));
        }

return implode(', ', $pieces);
    }

public static function getSubscribedEvents()
    {
        return array(
            KernelEvents::REQUEST => array(array('onKernelRequest', 32)),
            KernelEvents::FINISH_REQUEST => array(array('onKernelFinishRequest', 0)),
        );
    }
}

${this.title}

Code Editor : RouterListener.php