--- /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\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 = $resolver;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function load($resource, $type = null)
+ {
+ if (false === $loader = $this->resolver->resolve($resource, $type)) {
+ throw new FileLoaderLoadException($resource);
+ }
+
+ return $loader->load($resource, $type);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function supports($resource, $type = null)
+ {
+ return false !== $this->resolver->resolve($resource, $type);
+ }
+}