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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Serializer\NameConverter;
use Symfony\Component\Serializer\Mapping\Factory\ClassMetadataFactoryInterface;
/**
* @author Fabien Bourigault <bourigaultfabien@gmail.com>
*/
final class MetadataAwareNameConverter implements AdvancedNameConverterInterface
{
private $metadataFactory;
/**
* @var NameConverterInterface|AdvancedNameConverterInterface|null
*/
private $fallbackNameConverter;
private static $normalizeCache = [];
private static $denormalizeCache = [];
private static $attributesMetadataCache = [];
public function __construct(ClassMetadataFactoryInterface $metadataFactory, NameConverterInterface $fallbackNameConverter = null)
{
$this->metadataFactory = $metadataFactory;
$this->fallbackNameConverter = $fallbackNameConverter;
}
/**
* {@inheritdoc}
*/
public function normalize($propertyName, string $class = null, string $format = null, array $context = [])
{
if (null === $class) {
return $this->normalizeFallback($propertyName, $class, $format, $context);
}
if (!isset(self::$normalizeCache[$class][$propertyName])) {
self::$normalizeCache[$class][$propertyName] = $this->getCacheValueForNormalization($propertyName, $class);
}
return self::$normalizeCache[$class][$propertyName] ?? $this->normalizeFallback($propertyName, $class, $format, $context);
}
/**
* {@inheritdoc}
*/
public function denormalize($propertyName, string $class = null, string $format = null, array $context = [])
{
if (null === $class) {
return $this->denormalizeFallback($propertyName, $class, $format, $context);
}
if (!isset(self::$denormalizeCache[$class][$propertyName])) {
self::$denormalizeCache[$class][$propertyName] = $this->getCacheValueForDenormalization($propertyName, $class);
}
return self::$denormalizeCache[$class][$propertyName] ?? $this->denormalizeFallback($propertyName, $class, $format, $context);
}
private function getCacheValueForNormalization(string $propertyName, string $class): ?string
{
if (!$this->metadataFactory->hasMetadataFor($class)) {
return null;
}
$attributesMetadata = $this->metadataFactory->getMetadataFor($class)->getAttributesMetadata();
if (!isset($attributesMetadata[$propertyName])) {
return null;
}
return $attributesMetadata[$propertyName]->getSerializedName() ?? null;
}
private function normalizeFallback(string $propertyName, string $class = null, string $format = null, array $context = []): string
{
return $this->fallbackNameConverter ? $this->fallbackNameConverter->normalize($propertyName, $class, $format, $context) : $propertyName;
}
private function getCacheValueForDenormalization(string $propertyName, string $class): ?string
{
if (!isset(self::$attributesMetadataCache[$class])) {
self::$attributesMetadataCache[$class] = $this->getCacheValueForAttributesMetadata($class);
}
return self::$attributesMetadataCache[$class][$propertyName] ?? null;
}
private function denormalizeFallback(string $propertyName, string $class = null, string $format = null, array $context = []): string
{
return $this->fallbackNameConverter ? $this->fallbackNameConverter->denormalize($propertyName, $class, $format, $context) : $propertyName;
}
private function getCacheValueForAttributesMetadata(string $class): array
{
if (!$this->metadataFactory->hasMetadataFor($class)) {
return [];
}
$classMetadata = $this->metadataFactory->getMetadataFor($class);
$cache = [];
foreach ($classMetadata->getAttributesMetadata() as $name => $metadata) {
if (null === $metadata->getSerializedName()) {
continue;
}
$cache[$metadata->getSerializedName()] = $name;
}
return $cache;
}
}
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