* * 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 */ 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 $type The resource type * * @return mixed * * @throws FileLoaderLoadException if no loader is found. */ public function load($resource, $type = null) { if (false === $loader = $this->resolver->resolve($resource, $type)) { throw new FileLoaderLoadException($resource); } return $loader->load($resource, $type); } /** * {@inheritdoc} */ public function supports($resource, $type = null) { return false !== $this->resolver->resolve($resource, $type); } }