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<?php |
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namespace Wikibase\InternalSerialization\Deserializers; |
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use Deserializers\DispatchableDeserializer; |
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use Deserializers\Exceptions\DeserializationException; |
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use InvalidArgumentException; |
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use Wikibase\DataModel\Entity\EntityId; |
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use Wikibase\DataModel\LegacyIdInterpreter; |
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use Wikibase\DataModel\Entity\EntityIdParser; |
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use Wikibase\DataModel\Entity\EntityIdParsingException; |
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/** |
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* @licence GNU GPL v2+ |
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* @author Jeroen De Dauw < [email protected] > |
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*/ |
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class LegacyEntityIdDeserializer implements DispatchableDeserializer { |
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/** |
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* @var EntityIdParser |
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*/ |
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private $idParser; |
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public function __construct( EntityIdParser $idParser ) { |
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$this->idParser = $idParser; |
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} |
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/** |
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* @param string|array $serialization |
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* |
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* @return EntityId |
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* @throws DeserializationException |
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*/ |
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public function deserialize( $serialization ) { |
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if ( is_string( $serialization ) ) { |
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return $this->getParsedId( $serialization ); |
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} |
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elseif ( $this->isDeserializerFor( $serialization ) ) { |
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return $this->getIdFromLegacyFormat( $serialization ); |
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} |
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else { |
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throw new DeserializationException( 'Entity id format not recognized' ); |
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} |
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} |
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/** |
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* @param string $serialization |
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* |
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* @throws DeserializationException |
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* @return EntityId |
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*/ |
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private function getParsedId( $serialization ) { |
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try { |
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return $this->idParser->parse( $serialization ); |
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} |
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catch ( EntityIdParsingException $ex ) { |
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throw new DeserializationException( $ex->getMessage(), $ex ); |
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} |
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} |
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private function getIdFromLegacyFormat( array $serialization ) { |
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try { |
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return LegacyIdInterpreter::newIdFromTypeAndNumber( $serialization[0], $serialization[1] ); |
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} |
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catch ( InvalidArgumentException $ex ) { |
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throw new DeserializationException( $ex->getMessage(), $ex ); |
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} |
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} |
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/** |
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* @see DispatchableDeserializer::isDeserializerFor |
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* |
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* @since 2.2 |
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* |
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* @param mixed $serialization |
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* |
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* @return bool |
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*/ |
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public function isDeserializerFor( $serialization ) { |
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return is_array( $serialization ) |
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&& count( $serialization ) === 2 |
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&& array_key_exists( 0, $serialization ) |
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&& array_key_exists( 1, $serialization ); |
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} |
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} |
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