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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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declare(strict_types=1); |
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namespace Tebru\Gson\TypeAdapter; |
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use Tebru\Gson\Context\ReaderContext; |
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use Tebru\Gson\Context\WriterContext; |
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use Tebru\Gson\Internal\DefaultJsonDeserializationContext; |
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use Tebru\Gson\Internal\DefaultJsonSerializationContext; |
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use Tebru\Gson\Internal\TypeAdapterProvider; |
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use Tebru\Gson\JsonDeserializer; |
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use Tebru\Gson\JsonSerializer; |
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use Tebru\Gson\TypeAdapter; |
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use Tebru\Gson\TypeAdapterFactory; |
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use Tebru\PhpType\TypeToken; |
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/** |
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* Class CustomWrappedTypeAdapter |
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* |
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* Wraps a [@see JsonSerializer] or [@see JsonDeserializer] and delegates if either is null |
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* |
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* @author Nate Brunette <[email protected]> |
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*/ |
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class CustomWrappedTypeAdapter extends TypeAdapter |
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{ |
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/** |
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* @var TypeToken |
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*/ |
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protected $type; |
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/** |
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* @var TypeAdapterProvider |
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*/ |
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protected $typeAdapterProvider; |
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/** |
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* @var JsonSerializer |
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*/ |
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protected $serializer; |
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/** |
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* @var JsonDeserializer |
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*/ |
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protected $deserializer; |
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/** |
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* @var TypeAdapterFactory |
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*/ |
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protected $skip; |
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/** |
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* Cached instance of the delegate type adapter |
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* |
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* @var TypeAdapter |
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*/ |
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protected $delegateTypeAdapter; |
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/** |
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* Constructor |
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* |
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* @param TypeToken $type |
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* @param TypeAdapterProvider $typeAdapterProvider |
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* @param JsonSerializer|null $serializer |
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* @param JsonDeserializer|null $deserializer |
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* @param TypeAdapterFactory|null $skip |
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*/ |
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public function __construct( |
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TypeToken $type, |
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TypeAdapterProvider $typeAdapterProvider, |
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JsonSerializer $serializer = null, |
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JsonDeserializer $deserializer = null, |
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TypeAdapterFactory $skip = null |
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) { |
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$this->type = $type; |
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$this->typeAdapterProvider = $typeAdapterProvider; |
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$this->serializer = $serializer; |
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$this->deserializer = $deserializer; |
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$this->skip = $skip; |
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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 mixed $value |
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* @param ReaderContext $context |
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* @return mixed |
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*/ |
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public function read($value, ReaderContext $context) |
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{ |
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if ($this->deserializer === null) { |
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$this->delegateTypeAdapter = $this->delegateTypeAdapter ?? $this->typeAdapterProvider->getAdapter($this->type, $this->skip); |
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return $this->delegateTypeAdapter->read($value, $context); |
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} |
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if ($value === null) { |
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return null; |
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} |
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return $this->deserializer->deserialize( |
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$value, |
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$this->type, |
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new DefaultJsonDeserializationContext($this->typeAdapterProvider, $context) |
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); |
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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 mixed $value |
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* @param WriterContext $context |
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* @return mixed |
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*/ |
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public function write($value, WriterContext $context) |
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{ |
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if ($this->serializer === null) { |
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$this->delegateTypeAdapter = $this->delegateTypeAdapter ?? $this->typeAdapterProvider->getAdapter($this->type, $this->skip); |
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return $this->delegateTypeAdapter->write($value, $context); |
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} |
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if ($value === null) { |
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return null; |
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} |
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return $this->serializer->serialize( |
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$value, |
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$this->type, |
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new DefaultJsonSerializationContext($this->typeAdapterProvider, $context) |
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); |
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} |
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} |
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tebru /
gson-php
