Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\Serializer\Normalizer;
Chris@0: 
Chris@0: use Symfony\Component\Serializer\Exception\InvalidArgumentException;
Chris@0: use Symfony\Component\Serializer\Exception\LogicException;
Chris@0: 
Chris@0: /**
Chris@0:  * A normalizer that uses an objects own JsonSerializable implementation.
Chris@0:  *
Chris@0:  * @author Fred Cox <mcfedr@gmail.com>
Chris@0:  */
Chris@0: class JsonSerializableNormalizer extends AbstractNormalizer
Chris@0: {
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@17:     public function normalize($object, $format = null, array $context = [])
Chris@0:     {
Chris@0:         if ($this->isCircularReference($object, $context)) {
Chris@0:             return $this->handleCircularReference($object);
Chris@0:         }
Chris@0: 
Chris@0:         if (!$object instanceof \JsonSerializable) {
Chris@0:             throw new InvalidArgumentException(sprintf('The object must implement "%s".', \JsonSerializable::class));
Chris@0:         }
Chris@0: 
Chris@0:         if (!$this->serializer instanceof NormalizerInterface) {
Chris@0:             throw new LogicException('Cannot normalize object because injected serializer is not a normalizer');
Chris@0:         }
Chris@0: 
Chris@0:         return $this->serializer->normalize($object->jsonSerialize(), $format, $context);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function supportsNormalization($data, $format = null)
Chris@0:     {
Chris@0:         return $data instanceof \JsonSerializable;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function supportsDenormalization($data, $type, $format = null)
Chris@0:     {
Chris@0:         return false;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@17:     public function denormalize($data, $class, $format = null, array $context = [])
Chris@0:     {
Chris@0:         throw new LogicException(sprintf('Cannot denormalize with "%s".', \JsonSerializable::class));
Chris@0:     }
Chris@0: }