diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Bundle/FrameworkBundle/CacheWarmer/RouterCacheWarmer.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Bundle/FrameworkBundle/CacheWarmer/RouterCacheWarmer.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,62 @@
+<?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\Bundle\FrameworkBundle\CacheWarmer;
+
+use Symfony\Component\HttpKernel\CacheWarmer\CacheWarmerInterface;
+use Symfony\Component\Routing\Router;
+
+/**
+ * Generates the router matcher and generator classes.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class RouterCacheWarmer implements CacheWarmerInterface
+{
+    protected $router;
+
+    /**
+     * Constructor.
+     *
+     * @param Router $router A Router instance
+     */
+    public function __construct(Router $router)
+    {
+        $this->router = $router;
+    }
+
+    /**
+     * Warms up the cache.
+     *
+     * @param string $cacheDir The cache directory
+     */
+    public function warmUp($cacheDir)
+    {
+        $currentDir = $this->router->getOption('cache_dir');
+
+        // force cache generation
+        $this->router->setOption('cache_dir', $cacheDir);
+        $this->router->getMatcher();
+        $this->router->getGenerator();
+
+        $this->router->setOption('cache_dir', $currentDir);
+    }
+
+    /**
+     * Checks whether this warmer is optional or not.
+     *
+     * @return Boolean always true
+     */
+    public function isOptional()
+    {
+        return true;
+    }
+}