/
Loader.php
80 lines (68 loc) · 1.94 KB
/
Loader.php
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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;
/**
* Loader is the abstract class used by all built-in loaders.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
abstract class Loader implements LoaderInterface
{
protected $resolver;
/**
* Gets the loader resolver.
*
* @return LoaderResolver A LoaderResolver instance
*/
public function getResolver()
{
return $this->resolver;
}
/**
* Sets the loader resolver.
*
* @param LoaderResolver $resolver A LoaderResolver instance
*/
public function setResolver(LoaderResolver $resolver)
{
$this->resolver = $resolver;
}
/**
* Imports a resource.
*
* @param mixed $resource A Resource
* @param string $type The resource type
*/
public function import($resource, $type = null)
{
$this->resolve($resource)->load($resource, $type);
}
/**
* Finds a loader able to load an imported resource.
*
* @param mixed $resource A Resource
* @param string $type The resource type
*
* @return LoaderInterface A LoaderInterface instance
*
* @throws \InvalidArgumentException if no loader is found
*/
public function resolve($resource, $type = null)
{
if ($this->supports($resource, $type)) {
return $this;
}
$loader = null === $this->resolver ? false : $this->resolver->resolve($resource, $type);
if (false === $loader) {
throw new \InvalidArgumentException(sprintf('Unable to load the "%s" resource.', is_string($resource) ? $resource : (is_object($resource) ? get_class($resource) : 'RESOURCE')));
}
return $loader;
}
}