/
ClassResolverTrait.php
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/
ClassResolverTrait.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\Serializer\Mapping\Factory;
use Symfony\Component\Serializer\Exception\InvalidArgumentException;
/**
* Resolves a class name.
*
* @internal
*
* @author Kévin Dunglas <dunglas@gmail.com>
*/
trait ClassResolverTrait
{
/**
* Gets a class name for a given class or instance.
*
* @param mixed $value
*
* @return string
*
* @throws InvalidArgumentException If the class does not exists
*/
private function getClass($value)
{
if (\is_string($value)) {
if (!class_exists($value) && !interface_exists($value, false)) {
throw new InvalidArgumentException(sprintf('The class or interface "%s" does not exist.', $value));
}
return ltrim($value, '\\');
}
if (!\is_object($value)) {
throw new InvalidArgumentException(sprintf('Cannot create metadata for non-objects. Got: "%s"', \gettype($value)));
}
return \get_class($value);
}
}