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<?php |
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/* |
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* Copyright (c) Nate Brunette. |
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* Distributed under the MIT License (http://opensource.org/licenses/MIT) |
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*/ |
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namespace Tebru\Gson\Internal\TypeAdapter; |
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use Tebru\Gson\Annotation\JsonAdapter; |
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use Tebru\Gson\ClassMetadata; |
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use Tebru\Gson\Internal\Data\AnnotationSet; |
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use Tebru\Gson\Internal\Data\MetadataPropertyCollection; |
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use Tebru\Gson\Internal\Data\Property; |
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use Tebru\Gson\Internal\DefaultExclusionData; |
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use Tebru\Gson\Internal\Excluder; |
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use Tebru\Gson\Internal\ObjectConstructor\CreateFromInstance; |
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use Tebru\Gson\Internal\ObjectConstructorAware; |
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use Tebru\Gson\Internal\ObjectConstructorAwareTrait; |
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use Tebru\Gson\Internal\TypeAdapterProvider; |
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use Tebru\Gson\JsonWritable; |
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use Tebru\Gson\Internal\Data\PropertyCollection; |
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use Tebru\Gson\JsonReadable; |
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use Tebru\Gson\Internal\ObjectConstructor; |
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use Tebru\Gson\JsonToken; |
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use Tebru\Gson\TypeAdapter; |
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/** |
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* Class ReflectionTypeAdapter |
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* |
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* Uses reflected class properties to read/write object |
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* |
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* @author Nate Brunette <[email protected]> |
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*/ |
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final class ReflectionTypeAdapter extends TypeAdapter implements ObjectConstructorAware |
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{ |
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use ObjectConstructorAwareTrait; |
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/** |
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* @var PropertyCollection |
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*/ |
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private $properties; |
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/** |
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* @var MetadataPropertyCollection |
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*/ |
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private $metadataPropertyCollection; |
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/** |
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* @var ClassMetadata |
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*/ |
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private $classMetadata; |
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/** |
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* @var Excluder |
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*/ |
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private $excluder; |
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/** |
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* @var TypeAdapterProvider |
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*/ |
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private $typeAdapterProvider; |
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/** |
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* Constructor |
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* |
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* @param ObjectConstructor $objectConstructor |
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* @param PropertyCollection $properties |
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* @param MetadataPropertyCollection $metadataPropertyCollection |
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* @param ClassMetadata $classMetadata |
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* @param Excluder $excluder |
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* @param TypeAdapterProvider $typeAdapterProvider |
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*/ |
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public function __construct( |
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ObjectConstructor $objectConstructor, |
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PropertyCollection $properties, |
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MetadataPropertyCollection $metadataPropertyCollection, |
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ClassMetadata $classMetadata, |
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Excluder $excluder, |
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TypeAdapterProvider $typeAdapterProvider |
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) { |
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$this->objectConstructor = $objectConstructor; |
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$this->properties = $properties; |
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$this->metadataPropertyCollection = $metadataPropertyCollection; |
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$this->classMetadata = $classMetadata; |
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$this->excluder = $excluder; |
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$this->typeAdapterProvider = $typeAdapterProvider; |
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} |
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/** |
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* Read the next value, convert it to its type and return it |
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* |
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* @param JsonReadable $reader |
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* @return object |
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* @throws \InvalidArgumentException |
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* @throws \Tebru\PhpType\Exception\MalformedTypeException If the type cannot be parsed |
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*/ |
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public function read(JsonReadable $reader) |
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{ |
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if ($reader->peek() === JsonToken::NULL) { |
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return $reader->nextNull(); |
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} |
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if ($this->excluder->excludeClassByStrategy($this->classMetadata, false)) { |
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$reader->skipValue(); |
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return null; |
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} |
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$object = $this->objectConstructor->construct(); |
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$exclusionData = new DefaultExclusionData(false, clone $object, $reader->getPayload()); |
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$reader->beginObject(); |
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while ($reader->hasNext()) { |
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$name = $reader->nextName(); |
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$property = $this->properties->getBySerializedName($name); |
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if ( |
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null === $property |
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|| $property->skipDeserialize() |
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|| $this->excluder->excludePropertyByStrategy($this->metadataPropertyCollection->get($property->getRealName()), $exclusionData) |
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) { |
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$reader->skipValue(); |
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continue; |
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} |
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/** @var JsonAdapter $jsonAdapterAnnotation */ |
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$jsonAdapterAnnotation = $property->getAnnotations()->getAnnotation(JsonAdapter::class, AnnotationSet::TYPE_PROPERTY); |
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$adapter = null === $jsonAdapterAnnotation |
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? $this->typeAdapterProvider->getAdapter($property->getType()) |
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: $this->typeAdapterProvider->getAdapterFromAnnotation($property->getType(), $jsonAdapterAnnotation); |
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if ($adapter instanceof ObjectConstructorAware) { |
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$nestedObject = $property->get($object); |
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if ($nestedObject !== null) { |
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$adapter->setObjectConstructor(new CreateFromInstance($nestedObject)); |
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} |
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} |
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$property->set($object, $adapter->read($reader)); |
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} |
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$reader->endObject(); |
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return $object; |
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} |
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/** |
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* Write the value to the writer for the type |
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* |
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* @param JsonWritable $writer |
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* @param object $value |
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* @return void |
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* @throws \InvalidArgumentException |
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* @throws \Tebru\PhpType\Exception\MalformedTypeException If the type cannot be parsed |
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*/ |
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public function write(JsonWritable $writer, $value): void |
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{ |
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if (null === $value) { |
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$writer->writeNull(); |
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return; |
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} |
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if ($this->excluder->excludeClassByStrategy($this->classMetadata, true)) { |
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$writer->writeNull(); |
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return; |
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} |
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$exclusionData = new DefaultExclusionData(true, $value); |
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$writer->beginObject(); |
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/** @var Property $property */ |
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foreach ($this->properties as $property) { |
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$writer->name($property->getSerializedName()); |
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if ( |
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$property->skipSerialize() |
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|| $this->excluder->excludePropertyByStrategy($this->metadataPropertyCollection->get($property->getRealName()), $exclusionData) |
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) { |
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$writer->writeNull(); |
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continue; |
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} |
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/** @var JsonAdapter $jsonAdapterAnnotation */ |
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$jsonAdapterAnnotation = $property->getAnnotations()->getAnnotation(JsonAdapter::class, AnnotationSet::TYPE_PROPERTY); |
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$adapter = null === $jsonAdapterAnnotation |
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? $this->typeAdapterProvider->getAdapter($property->getType()) |
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: $this->typeAdapterProvider->getAdapterFromAnnotation($property->getType(), $jsonAdapterAnnotation); |
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$adapter->write($writer, $property->get($value)); |
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} |
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$writer->endObject(); |
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} |
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} |
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tebru /
gson-php
