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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; |
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use InvalidArgumentException; |
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use Tebru\Gson\Annotation\JsonAdapter; |
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use Tebru\Gson\Internal\TypeAdapter\CustomWrappedTypeAdapter; |
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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 TypeAdapterProvider |
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* |
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* @author Nate Brunette <[email protected]> |
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*/ |
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final class TypeAdapterProvider |
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{ |
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/** |
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* A cache of created type adapters |
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* |
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* @var array |
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*/ |
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private $typeAdapters = []; |
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/** |
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* All registered [@see TypeAdapter] factories |
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* |
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* @var TypeAdapterFactory[] |
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*/ |
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private $typeAdapterFactories; |
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/** |
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* @var ConstructorConstructor |
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*/ |
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private $constructorConstructor; |
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/** |
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* Constructor |
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* |
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* @param array $typeAdapterFactories |
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* @param ConstructorConstructor $constructorConstructor |
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*/ |
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public function __construct(array $typeAdapterFactories, ConstructorConstructor $constructorConstructor) |
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{ |
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$this->typeAdapterFactories = $typeAdapterFactories; |
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$this->constructorConstructor = $constructorConstructor; |
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} |
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/** |
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* Creates a key based on the type, and optionally the class that should be skipped. |
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* Returns the [@see TypeAdapter] if it has already been created, otherwise loops |
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* over all of the factories and finds a type adapter that supports the type. |
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* |
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* @param TypeToken $type |
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* @param TypeAdapterFactory $skip |
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* @return TypeAdapter |
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* @throws \InvalidArgumentException if the type cannot be handled by a type adapter |
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*/ |
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public function getAdapter(TypeToken $type, TypeAdapterFactory $skip = null): TypeAdapter |
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{ |
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$key = (string)$type; |
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if (null === $skip && isset($this->typeAdapters[$key])) { |
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return $this->typeAdapters[$key]; |
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} |
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foreach ($this->typeAdapterFactories as $typeAdapterFactory) { |
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if ($typeAdapterFactory === $skip) { |
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continue; |
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} |
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if (!$typeAdapterFactory->supports($type)) { |
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continue; |
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} |
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$adapter = $typeAdapterFactory->create($type, $this); |
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// do not save skipped adapters |
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if (null === $skip) { |
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$this->typeAdapters[$key] = $adapter; |
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} |
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return $adapter; |
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} |
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throw new InvalidArgumentException(sprintf( |
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'The type "%s" could not be handled by any of the registered type adapters', |
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(string)$type |
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)); |
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} |
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/** |
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* Get a type adapter from a [@see JsonAdapter] annotation |
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* |
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* The class may be a TypeAdapter, TypeAdapterFactory, JsonSerializer, or JsonDeserializer |
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* |
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* @param TypeToken $type |
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* @param JsonAdapter $jsonAdapterAnnotation |
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* @return TypeAdapter |
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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 getAdapterFromAnnotation(TypeToken $type, JsonAdapter $jsonAdapterAnnotation): TypeAdapter |
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{ |
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$object = $this->constructorConstructor->get(new TypeToken($jsonAdapterAnnotation->getClass()))->construct(); |
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if ($object instanceof TypeAdapter) { |
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return $object; |
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} |
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if ($object instanceof TypeAdapterFactory) { |
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return $object->create($type, $this); |
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} |
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if ($object instanceof JsonSerializer && $object instanceof JsonDeserializer) { |
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return new CustomWrappedTypeAdapter($type, $this, $object, $object); |
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} |
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if ($object instanceof JsonSerializer) { |
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return new CustomWrappedTypeAdapter($type, $this, $object); |
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} |
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if ($object instanceof JsonDeserializer) { |
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return new CustomWrappedTypeAdapter($type, $this, null, $object); |
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} |
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throw new InvalidArgumentException(sprintf( |
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'The type adapter must be an instance of TypeAdapter, TypeAdapterFactory, JsonSerializer, or JsonDeserializer, but "%s" was found', |
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get_class($object) |
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)); |
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} |
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} |
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tebru /
gson-php
This check looks for
@paramannotations where the type inferred by our type inference engine differs from the declared type.It makes a suggestion as to what type it considers more descriptive.
Most often this is a case of a parameter that can be null in addition to its declared types.