1 files changed, 108 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/Deserializers/DVDescriptionDeserializerRegistry.php b/www/wiki/extensions/SemanticMediaWiki/src/Deserializers/DVDescriptionDeserializerRegistry.php
new file mode 100644
index 00000000..8927334b
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/Deserializers/DVDescriptionDeserializerRegistry.php
@@ -0,0 +1,108 @@
+<?php
+
+namespace SMW\Deserializers;
+
+use SMW\Deserializers\DVDescriptionDeserializer\DescriptionDeserializer;
+use SMW\Deserializers\DVDescriptionDeserializer\DispatchingDescriptionDeserializer;
+use SMW\Deserializers\DVDescriptionDeserializer\MonolingualTextValueDescriptionDeserializer;
+use SMW\Deserializers\DVDescriptionDeserializer\NumberValueDescriptionDeserializer;
+use SMW\Deserializers\DVDescriptionDeserializer\RecordValueDescriptionDeserializer;
+use SMW\Deserializers\DVDescriptionDeserializer\SomeValueDescriptionDeserializer;
+use SMW\Deserializers\DVDescriptionDeserializer\TimeValueDescriptionDeserializer;
+use SMWDataValue as DataValue;
+
+/**
+ * @license GNU GPL v2+
+ * @since 2.3
+ *
+ * @author mwjames
+ */
+class DVDescriptionDeserializerRegistry {
+
+	/**
+	 * @var DVDescriptionDeserializerRegistry
+	 */
+	private static $instance = null;
+
+	/**
+	 * @var DispatchingDescriptionDeserializer
+	 */
+	private $dispatchingDescriptionDeserializer = null;
+
+	/**
+	 * @since 2.3
+	 *
+	 * @param DispatchingDescriptionDeserializer|null $dispatchingDescriptionDeserializer
+	 */
+	public function __construct( DispatchingDescriptionDeserializer $dispatchingDescriptionDeserializer = null ) {
+		$this->dispatchingDescriptionDeserializer = $dispatchingDescriptionDeserializer;
+	}
+
+	/**
+	 * @since 2.3
+	 *
+	 * @return self
+	 */
+	public static function getInstance() {
+
+		if ( self::$instance === null ) {
+			self::$instance = new self();
+		}
+
+		return self::$instance;
+	}
+
+	/**
+	 * @since 2.3
+	 */
+	public static function clear() {
+		self::$instance = null;
+	}
+
+	/**
+	 * @note This allows extensions to inject their own DescriptionDeserializer
+	 * without further violating SRP of the DataType or DataValue.
+	 *
+	 * @since 2.3
+	 *
+	 * @param DescriptionDeserializer $descriptionDeserializer
+	 */
+	public function registerDescriptionDeserializer( DescriptionDeserializer $descriptionDeserializer ) {
+
+		if ( $this->dispatchingDescriptionDeserializer === null ) {
+			$this->dispatchingDescriptionDeserializer = $this->newDispatchingDescriptionDeserializer();
+		}
+
+		$this->dispatchingDescriptionDeserializer->addDescriptionDeserializer( $descriptionDeserializer );
+	}
+
+	/**
+	 * @since 2.3
+	 *
+	 * @param DataValue $dataValue
+	 *
+	 * @return DescriptionDeserializer
+	 */
+	public function getDescriptionDeserializerBy( DataValue $dataValue ) {
+
+		if ( $this->dispatchingDescriptionDeserializer === null ) {
+			$this->dispatchingDescriptionDeserializer = $this->newDispatchingDescriptionDeserializer();
+		}
+
+		return $this->dispatchingDescriptionDeserializer->getDescriptionDeserializerBy( $dataValue );
+	}
+
+	private function newDispatchingDescriptionDeserializer() {
+
+		$dispatchingDescriptionDeserializer = new DispatchingDescriptionDeserializer();
+		$dispatchingDescriptionDeserializer->addDescriptionDeserializer( new TimeValueDescriptionDeserializer() );
+		$dispatchingDescriptionDeserializer->addDescriptionDeserializer( new NumberValueDescriptionDeserializer() );
+		$dispatchingDescriptionDeserializer->addDescriptionDeserializer( new RecordValueDescriptionDeserializer() );
+		$dispatchingDescriptionDeserializer->addDescriptionDeserializer( new MonolingualTextValueDescriptionDeserializer() );
+
+		$dispatchingDescriptionDeserializer->addDefaultDescriptionDeserializer( new SomeValueDescriptionDeserializer() );
+
+		return $dispatchingDescriptionDeserializer;
+	}
+
+}