* * 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\InvalidArgumentException; use Symfony\Component\Serializer\Exception\LogicException; /** * A normalizer that uses an objects own JsonSerializable implementation. * * @author Fred Cox */ class JsonSerializableNormalizer extends AbstractNormalizer { /** * {@inheritdoc} */ public function normalize(mixed $object, string $format = null, array $context = []): array|string|int|float|bool|\ArrayObject|null { if ($this->isCircularReference($object, $context)) { return $this->handleCircularReference($object, $format, $context); } if (!$object instanceof \JsonSerializable) { throw new InvalidArgumentException(sprintf('The object must implement "%s".', \JsonSerializable::class)); } if (!$this->serializer instanceof NormalizerInterface) { throw new LogicException('Cannot normalize object because injected serializer is not a normalizer.'); } return $this->serializer->normalize($object->jsonSerialize(), $format, $context); } /** * {@inheritdoc} */ public function supportsNormalization(mixed $data, string $format = null): bool { return $data instanceof \JsonSerializable; } /** * {@inheritdoc} */ public function supportsDenormalization(mixed $data, string $type, string $format = null): bool { return false; } /** * {@inheritdoc} */ public function denormalize(mixed $data, string $type, string $format = null, array $context = []): mixed { throw new LogicException(sprintf('Cannot denormalize with "%s".', \JsonSerializable::class)); } /** * {@inheritdoc} */ public function hasCacheableSupportsMethod(): bool { return __CLASS__ === static::class; } }