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DelegatingLoader.php
01 <?php
02
03 /*
04 * This file is part of the Symfony package.
05 *
06 * (c) Fabien Potencier <fabien@symfony.com>
07 *
08 * For the full copyright and license information, please view the LICENSE
09 * file that was distributed with this source code.
10 */
11
12 namespace Symfony\Component\Config\Loader;
13
14 use Symfony\Component\Config\Exception\FileLoaderLoadException;
15
16 /**
17 * DelegatingLoader delegates loading to other loaders using a loader resolver.
18 *
19 * This loader acts as an array of LoaderInterface objects - each having
20 * a chance to load a given resource (handled by the resolver)
21 *
22 * @author Fabien Potencier <fabien@symfony.com>
23 */
24 class DelegatingLoader extends Loader
25 {
26 public function __construct(LoaderResolverInterface $resolver)
27 {
28 $this->resolver = $resolver;
29 }
30
31 /**
32 * {@inheritdoc}
33 */
34 public function load($resource, $type = null)
35 {
36 if (false === $loader = $this->resolver->resolve($resource, $type)) {
37 throw new FileLoaderLoadException($resource, null, null, null, $type);
38 }
39
40 return $loader->load($resource, $type);
41 }
42
43 /**
44 * {@inheritdoc}
45 */
46 public function supports($resource, $type = null)
47 {
48 return false !== $this->resolver->resolve($resource, $type);
49 }
50 }
51