/
DelegatingLoader.php
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/
DelegatingLoader.php
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<?php
namespace Symfony\Components\DependencyInjection\Loader;
/*
* This file is part of the Symfony framework.
*
* (c) Fabien Potencier <fabien.potencier@symfony-project.com>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
/**
* DelegatingLoader delegates loading to other loaders using a loader resolver.
*
* @package Symfony
* @subpackage Components_DependencyInjection
* @author Fabien Potencier <fabien.potencier@symfony-project.com>
*/
class DelegatingLoader extends Loader
{
protected $resolver;
/**
* Constructor.
*
* @param \Symfony\Components\DependencyInjection\Loader\LoaderResolverInterface $resolver A LoaderResolverInterface instance
*/
public function __construct(LoaderResolverInterface $resolver)
{
$this->resolver = $resolver;
}
/**
* Loads a resource.
*
* @param mixed $resource A resource
*/
public function load($resource)
{
$loader = $this->resolver->resolve($resource);
if (false === $loader) {
throw new \InvalidArgumentException(sprintf('Unable to load the "%s" container resource.', is_string($resource) ? $resource : (is_object($resource) ? get_class($resource) : 'RESOURCE')));
}
return $loader->load($resource);
}
/**
* Returns true if this class supports the given resource.
*
* @param mixed $resource A resource
*
* @return Boolean true if this class supports the given resource, false otherwise
*/
public function supports($resource)
{
foreach ($this->resolver->getLoaders() as $loader) {
if ($loader->supports($resource)) {
return true;
}
}
return false;
}
}