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<?php |
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declare(strict_types=1); |
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namespace Chubbyphp\Deserialization\Denormalizer; |
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use Chubbyphp\Deserialization\DeserializerLogicException; |
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use Chubbyphp\Deserialization\DeserializerRuntimeException; |
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use Chubbyphp\Deserialization\Mapping\DenormalizationFieldMappingInterface; |
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use Chubbyphp\Deserialization\Mapping\DenormalizationObjectMappingInterface; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\NullLogger; |
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final class Denormalizer implements DenormalizerInterface |
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{ |
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/** |
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* @var DenormalizationObjectMappingInterface[] |
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*/ |
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private $objectMappings; |
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/** |
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* @var array |
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*/ |
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private $classToTypeMappings; |
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/** |
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* @var LoggerInterface |
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*/ |
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private $logger; |
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/** |
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* @param array $objectMappings |
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* @param LoggerInterface|null $logger |
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*/ |
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public function __construct(array $objectMappings, LoggerInterface $logger = null) |
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{ |
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$this->objectMappings = []; |
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$this->classToTypeMappings = []; |
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foreach ($objectMappings as $objectMapping) { |
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$this->addObjectMapping($objectMapping); |
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} |
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$this->logger = $logger ?? new NullLogger(); |
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} |
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/** |
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* @param DenormalizationObjectMappingInterface $objectMapping |
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*/ |
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private function addObjectMapping(DenormalizationObjectMappingInterface $objectMapping) |
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{ |
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$this->objectMappings[$objectMapping->getClass()] = $objectMapping; |
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} |
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/** |
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* @param object|string $object |
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* @param array $data |
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* @param DenormalizerContextInterface|null $context |
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* @param string $path |
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* |
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* @return object |
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* |
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* @throws DeserializerLogicException |
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* @throws DeserializerRuntimeException |
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*/ |
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public function denormalize($object, array $data, DenormalizerContextInterface $context = null, string $path = '') |
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{ |
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$context = $context ?? DenormalizerContextBuilder::create()->getContext(); |
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$class = is_object($object) ? get_class($object) : $object; |
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$objectMapping = $this->getObjectMapping($class); |
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$type = null; |
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if (isset($data['_type'])) { |
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$type = $data['_type']; |
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unset($data['_type']); |
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} |
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if (!is_object($object)) { |
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$factory = $objectMapping->getDenormalizationFactory($path, $type); |
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$object = $factory(); |
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} |
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foreach ($objectMapping->getDenormalizationFieldMappings($path, $type) as $denormalizationFieldMapping) { |
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$this->denormalizeField($context, $denormalizationFieldMapping, $path, $data, $object); |
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unset($data[$denormalizationFieldMapping->getName()]); |
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} |
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if ([] !== $data && !$context->isAllowedAdditionalFields()) { |
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$this->handleNotAllowedAddtionalFields($path, array_keys($data)); |
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} |
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return $object; |
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} |
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/** |
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* @param string $class |
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* |
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* @return DenormalizationObjectMappingInterface |
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* |
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* @throws DeserializerLogicException |
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*/ |
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private function getObjectMapping(string $class): DenormalizationObjectMappingInterface |
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{ |
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if (isset($this->objectMappings[$class])) { |
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return $this->objectMappings[$class]; |
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} |
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$exception = DeserializerLogicException::createMissingMapping($class); |
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$this->logger->error('deserialize: {exception}', ['exception' => $exception->getMessage()]); |
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throw $exception; |
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} |
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/** |
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* @param DenormalizerContextInterface $context |
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* @param DenormalizationFieldMappingInterface $denormalizationFieldMapping |
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* @param string $path |
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* @param array $data |
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* @param object $object |
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*/ |
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private function denormalizeField( |
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DenormalizerContextInterface $context, |
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DenormalizationFieldMappingInterface $denormalizationFieldMapping, |
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string $path, |
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array $data, |
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$object |
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) { |
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$name = $denormalizationFieldMapping->getName(); |
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if (!array_key_exists($name, $data)) { |
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return; |
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} |
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$fieldDenormalizer = $denormalizationFieldMapping->getFieldDenormalizer(); |
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if (!$this->isWithinGroup($context, $denormalizationFieldMapping)) { |
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return; |
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} |
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$subPath = $this->getSubPathByName($path, $name); |
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$this->logger->info('deserialize: path {path}', ['path' => $subPath]); |
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$fieldDenormalizer->denormalizeField($subPath, $object, $data[$name], $context, $this); |
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} |
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/** |
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* @param string $path |
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* @param array $names |
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*/ |
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private function handleNotAllowedAddtionalFields(string $path, array $names) |
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{ |
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$exception = DeserializerRuntimeException::createNotAllowedAddtionalFields( |
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$this->getSubPathsByNames($path, $names) |
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); |
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$this->logger->notice('deserialize: {exception}', ['exception' => $exception->getMessage()]); |
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throw $exception; |
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} |
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/** |
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* @param DenormalizerContextInterface $context |
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* @param DenormalizationFieldMappingInterface $fieldMapping |
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* |
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* @return bool |
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*/ |
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private function isWithinGroup( |
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DenormalizerContextInterface $context, |
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DenormalizationFieldMappingInterface $fieldMapping |
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): bool { |
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if ([] === $groups = $context->getGroups()) { |
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return true; |
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} |
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foreach ($fieldMapping->getGroups() as $group) { |
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if (in_array($group, $groups, true)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* @param string $path |
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* @param string $name |
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* |
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* @return string |
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*/ |
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private function getSubPathByName(string $path, string $name): string |
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{ |
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return '' === $path ? $name : $path.'.'.$name; |
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} |
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/** |
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* @param string $path |
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* @param array $names |
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* |
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* @return array |
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*/ |
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private function getSubPathsByNames(string $path, array $names): array |
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{ |
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$subPaths = []; |
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foreach ($names as $name) { |
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$subPaths[] = $this->getSubPathByName($path, $name); |
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} |
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return $subPaths; |
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} |
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} |
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chubbyphp /
chubbyphp-deserialization
