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<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Package\Loader;
use Composer\Json\JsonFile;
use Composer\Package\CompletePackage;
use Composer\Package\CompleteAliasPackage;
/**
* @author Konstantin Kudryashiv <ever.zet@gmail.com>
*/
class JsonLoader
{
private $loader;
public function __construct(LoaderInterface $loader)
{
$this->loader = $loader;
}
/**
* @param string|JsonFile $json A filename, json string or JsonFile instance to load the package from
* @return CompletePackage|CompleteAliasPackage
*/
public function load($json)
{
if ($json instanceof JsonFile) {
$config = $json->read();
} elseif (file_exists($json)) {
$config = JsonFile::parseJson(file_get_contents($json), $json);
} elseif (is_string($json)) {
$config = JsonFile::parseJson($json);
} else {
throw new \InvalidArgumentException(sprintf(
"JsonLoader: Unknown \$json parameter %s. Please report at https://github.com/composer/composer/issues/new.",
gettype($json)
));
}
return $this->loader->load($config);
}
}