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<?php |
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/* |
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* This file is part of the API Platform project. |
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* |
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* (c) Kévin Dunglas <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace ApiPlatform\Core\Hal\Serializer; |
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use ApiPlatform\Core\Api\IriConverterInterface; |
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use Symfony\Component\Serializer\Exception\LogicException; |
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use Symfony\Component\Serializer\Normalizer\CacheableSupportsMethodInterface; |
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use Symfony\Component\Serializer\Normalizer\DenormalizerInterface; |
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use Symfony\Component\Serializer\Normalizer\NormalizerInterface; |
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/** |
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* Decorates the output with JSON HAL metadata when appropriate, but otherwise |
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* just passes through to the decorated normalizer. |
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*/ |
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final class ObjectNormalizer implements NormalizerInterface, DenormalizerInterface, CacheableSupportsMethodInterface |
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{ |
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public const FORMAT = 'jsonhal'; |
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private $decorated; |
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private $iriConverter; |
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public function __construct(NormalizerInterface $decorated, IriConverterInterface $iriConverter) |
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{ |
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$this->decorated = $decorated; |
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$this->iriConverter = $iriConverter; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function supportsNormalization($data, $format = null, array $context = []): bool |
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{ |
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return self::FORMAT === $format && $this->decorated->supportsNormalization($data, $format, $context); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function hasCacheableSupportsMethod(): bool |
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{ |
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return $this->decorated->hasCacheableSupportsMethod(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function normalize($object, $format = null, array $context = []) |
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{ |
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if (isset($context['api_resource'])) { |
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$originalResource = $context['api_resource']; |
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unset($context['api_resource']); |
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} |
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$data = $this->decorated->normalize($object, $format, $context); |
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if (!\is_array($data)) { |
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return $data; |
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} |
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if (!isset($originalResource)) { |
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return $data; |
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} |
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$metadata = [ |
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'_links' => [ |
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'self' => [ |
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'href' => $this->iriConverter->getIriFromItem($originalResource), |
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], |
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], |
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]; |
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return $metadata + $data; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function supportsDenormalization($data, $type, $format = null, array $context = []): bool |
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{ |
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// prevent the use of lower priority normalizers (e.g. serializer.normalizer.object) for this format |
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return self::FORMAT === $format; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws LogicException |
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*/ |
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public function denormalize($data, $class, $format = null, array $context = []) |
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{ |
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throw new LogicException(sprintf('%s is a read-only format.', self::FORMAT)); |
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} |
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} |
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This check compares calls to functions or methods with their respective definitions. If the call has more arguments than are defined, it raises an issue.
If a function is defined several times with a different number of parameters, the check may pick up the wrong definition and report false positives. One codebase where this has been known to happen is Wordpress. Please note the @ignore annotation hint above.