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* This file is part of the Symfony package.
* (c) Fabien Potencier <>
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
namespace Symfony\Component\Serializer\Normalizer;
use Symfony\Component\Serializer\Exception\BadMethodCallException;
use Symfony\Component\Serializer\Exception\ExceptionInterface;
use Symfony\Component\Serializer\Exception\ExtraAttributesException;
use Symfony\Component\Serializer\Exception\InvalidArgumentException;
use Symfony\Component\Serializer\Exception\LogicException;
use Symfony\Component\Serializer\Exception\RuntimeException;
use Symfony\Component\Serializer\Exception\UnexpectedValueException;
* @author Jordi Boggiano <>
interface DenormalizerInterface
* Denormalizes data back into an object of the given class.
* @param mixed $data Data to restore
* @param string $type The expected class to instantiate
* @param string $format Format the given data was extracted from
* @param array $context Options available to the denormalizer
* @return object|array
* @throws BadMethodCallException Occurs when the normalizer is not called in an expected context
* @throws InvalidArgumentException Occurs when the arguments are not coherent or not supported
* @throws UnexpectedValueException Occurs when the item cannot be hydrated with the given data
* @throws ExtraAttributesException Occurs when the item doesn't have attribute to receive given data
* @throws LogicException Occurs when the normalizer is not supposed to denormalize
* @throws RuntimeException Occurs if the class cannot be instantiated
* @throws ExceptionInterface Occurs for all the other cases of errors
public function denormalize($data, $type, $format = null, array $context = []);
* Checks whether the given class is supported for denormalization by this normalizer.
* @param mixed $data Data to denormalize from
* @param string $type The class to which the data should be denormalized
* @param string $format The format being deserialized from
* @return bool
public function supportsDenormalization($data, $type, $format = null);