diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Component/Config/Loader/DelegatingLoader.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/Config/Loader/DelegatingLoader.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,65 @@
+<?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\Config\Loader;
+
+use Symfony\Component\Config\Exception\FileLoaderLoadException;
+
+/**
+ * DelegatingLoader delegates loading to other loaders using a loader resolver.
+ *
+ * This loader acts as an array of LoaderInterface objects - each having
+ * a chance to load a given resource (handled by the resolver)
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class DelegatingLoader extends Loader
+{
+    /**
+     * Constructor.
+     *
+     * @param LoaderResolverInterface $resolver A LoaderResolverInterface instance
+     */
+    public function __construct(LoaderResolverInterface $resolver)
+    {
+        $this->resolver = $resolver;
+    }
+
+    /**
+     * Loads a resource.
+     *
+     * @param mixed  $resource A resource
+     * @param string $type     The resource type
+     *
+     * @throws FileLoaderLoadException if no loader is found.
+     */
+    public function load($resource, $type = null)
+    {
+        if (false === $loader = $this->resolver->resolve($resource, $type)) {
+            throw new FileLoaderLoadException($resource);
+        }
+
+        return $loader->load($resource, $type);
+    }
+
+    /**
+     * Returns true if this class supports the given resource.
+     *
+     * @param mixed  $resource A resource
+     * @param string $type     The resource type
+     *
+     * @return Boolean true if this class supports the given resource, false otherwise
+     */
+    public function supports($resource, $type = null)
+    {
+        return false === $this->resolver->resolve($resource, $type) ? false : true;
+    }
+}