--- /dev/null
+<?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\Routing\Matcher;
+
+use Symfony\Component\Routing\Exception\ResourceNotFoundException;
+use Symfony\Component\Routing\Route;
+
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+abstract class RedirectableUrlMatcher extends UrlMatcher implements RedirectableUrlMatcherInterface
+{
+ /**
+ * {@inheritdoc}
+ */
+ public function match($pathinfo)
+ {
+ try {
+ $parameters = parent::match($pathinfo);
+ } catch (ResourceNotFoundException $e) {
+ if ('/' === substr($pathinfo, -1) || !in_array($this->context->getMethod(), array('HEAD', 'GET'))) {
+ throw $e;
+ }
+
+ try {
+ parent::match($pathinfo.'/');
+
+ return $this->redirect($pathinfo.'/', null);
+ } catch (ResourceNotFoundException $e2) {
+ throw $e;
+ }
+ }
+
+ return $parameters;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function handleRouteRequirements($pathinfo, $name, Route $route)
+ {
+ // expression condition
+ if ($route->getCondition() && !$this->getExpressionLanguage()->evaluate($route->getCondition(), array('context' => $this->context, 'request' => $this->request))) {
+ return array(self::REQUIREMENT_MISMATCH, null);
+ }
+
+ // check HTTP scheme requirement
+ $scheme = $this->context->getScheme();
+ $schemes = $route->getSchemes();
+ if ($schemes && !$route->hasScheme($scheme)) {
+ return array(self::ROUTE_MATCH, $this->redirect($pathinfo, $name, current($schemes)));
+ }
+
+ return array(self::REQUIREMENT_MATCH, null);
+ }
+}