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<?php |
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namespace PPP\DataModel\Serializers; |
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use PPP\DataModel\ResourceListNode; |
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use Serializers\DispatchableSerializer; |
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use Serializers\Exceptions\UnsupportedObjectException; |
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use Serializers\Serializer; |
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/** |
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* @licence AGPLv3+ |
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* @author Thomas Pellissier Tanon |
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*/ |
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class ResourceListNodeSerializer implements DispatchableSerializer { |
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/** |
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* @var Serializer |
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*/ |
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private $resourceSerializer; |
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/** |
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* @param Serializer $resourceSerializer |
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*/ |
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public function __construct(Serializer $resourceSerializer) { |
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$this->resourceSerializer = $resourceSerializer; |
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} |
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/** |
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* @see DispatchableSerializer::isSerializerFor |
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*/ |
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public function isSerializerFor($object) { |
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return is_object($object) && $object instanceof ResourceListNode; |
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} |
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/** |
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* @see Serializer::serialize |
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*/ |
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public function serialize($object) { |
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if(!$this->isSerializerFor($object)) { |
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throw new UnsupportedObjectException($object, 'ResourceListNodeSerializer can only serialize ResourceListNode objects.'); |
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} |
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return $this->getSerialization($object); |
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} |
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private function getSerialization(ResourceListNode $node) { |
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if($node->count() === 1) { |
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return $this->serializeAsResource($node); |
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} else { |
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return $this->serializeAsList($node); |
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} |
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} |
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private function serializeAsResource(ResourceListNode $node) { |
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foreach($node as $resource) { |
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return $this->resourceSerializer->serialize($resource); |
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} |
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} |
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private function serializeAsList(ResourceListNode $node) { |
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$list = array(); |
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foreach($node as $resource) { |
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$list[] = $this->resourceSerializer->serialize($resource); |
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} |
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return array( |
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'type' => 'list', |
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'list' => $list |
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); |
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} |
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} |
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