<?php
/*
* This file is part of the API Platform project.
*
* (c) Kévin Dunglas <dunglas@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
declare(strict_types=1);
namespace ApiPlatform\JsonLd\Serializer;
use ApiPlatform\Api\IriConverterInterface;
use ApiPlatform\Core\Api\IriConverterInterface as LegacyIriConverterInterface;
use ApiPlatform\Exception\InvalidArgumentException;
use ApiPlatform\JsonLd\AnonymousContextBuilderInterface;
use Symfony\Component\Serializer\Normalizer\CacheableSupportsMethodInterface;
use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
/**
* Decorates the output with JSON-LD metadata when appropriate, but otherwise just
* passes through to the decorated normalizer.
*/
final class ObjectNormalizer implements NormalizerInterface, CacheableSupportsMethodInterface
{
use JsonLdContextTrait;
public const FORMAT = 'jsonld';
private $decorated;
private $iriConverter;
private $anonymousContextBuilder;
public function __construct(NormalizerInterface $decorated, $iriConverter, AnonymousContextBuilderInterface $anonymousContextBuilder)
{
$this->decorated = $decorated;
$this->iriConverter = $iriConverter;
$this->anonymousContextBuilder = $anonymousContextBuilder;
if ($iriConverter instanceof LegacyIriConverterInterface) {
trigger_deprecation('api-platform/core', '2.7', sprintf('Use an implementation of "%s" instead of "%s".', IriConverterInterface::class, LegacyIriConverterInterface::class));
}
}
/**
* {@inheritdoc}
*/
public function supportsNormalization($data, $format = null, array $context = []): bool
{
return self::FORMAT === $format && $this->decorated->supportsNormalization($data, $format, $context);
}
/**
* {@inheritdoc}
*/
public function hasCacheableSupportsMethod(): bool
{
return $this->decorated instanceof CacheableSupportsMethodInterface && $this->decorated->hasCacheableSupportsMethod();
}
/**
* {@inheritdoc}
*
* @return array|string|int|float|bool|\ArrayObject|null
*/
public function normalize($object, $format = null, array $context = [])
{
if (isset($context['api_resource'])) {
$originalResource = $context['api_resource'];
unset($context['api_resource']);
}
/*
* Converts the normalized data array of a resource into an IRI, if the
* normalized data array is empty.
*
* This is useful when traversing from a non-resource towards an attribute
* which is a resource, as we do not have the benefit of {@see PropertyMetadata::isReadableLink}.
*
* It must not be propagated to subresources, as {@see PropertyMetadata::isReadableLink}
* should take effect.
*/
$context['api_empty_resource_as_iri'] = true;
$data = $this->decorated->normalize($object, $format, $context);
if (!\is_array($data) || !$data) {
return $data;
}
if (isset($originalResource)) {
try {
$context['output']['iri'] = $this->iriConverter instanceof LegacyIriConverterInterface ? $this->iriConverter->getIriFromItem($originalResource) : $this->iriConverter->getIriFromResource($originalResource);
} catch (InvalidArgumentException $e) {
// The original resource has no identifiers
}
$context['api_resource'] = $originalResource;
}
$metadata = $this->createJsonLdContext($this->anonymousContextBuilder, $object, $context);
return $metadata + $data;
}
}
class_alias(ObjectNormalizer::class, \ApiPlatform\Core\JsonLd\Serializer\ObjectNormalizer::class);