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<?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;
/**
* LoaderResolver selects a loader for a given resource.
*
* A resource can be anything (e.g. a full path to a config file or a Closure).
* Each loader determines whether it can load a resource and how.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class LoaderResolver implements LoaderResolverInterface
{
/**
* @var LoaderInterface[] An array of LoaderInterface objects
*/
private $loaders;
/**
* Constructor.
*
* @param LoaderInterface[] $loaders An array of loaders
*/
public function __construct(array $loaders = array())
{
$this->loaders = array();
foreach ($loaders as $loader) {
$this->addLoader($loader);
}
}
/**
* Returns a loader able to load the resource.
*
* @param mixed $resource A resource
* @param string $type The resource type
*
* @return LoaderInterface|false A LoaderInterface instance
*/
public function resolve($resource, $type = null)
{
foreach ($this->loaders as $loader) {
if ($loader->supports($resource, $type)) {
return $loader;
}
}
return false;
}
/**
* Adds a loader.
*
* @param LoaderInterface $loader A LoaderInterface instance
*/
public function addLoader(LoaderInterface $loader)
{
$this->loaders[] = $loader;
$loader->setResolver($this);
}
/**
* Returns the registered loaders.
*
* @return LoaderInterface[] An array of LoaderInterface instances
*/
public function getLoaders()
{
return $this->loaders;
}
}
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