Revision 32880 branches/v2_0_0_prep/libraries/libFMap_mapcontext/src/org/gvsig/fmap/mapcontext/tools/persistence/Point2DPersistenceFactory.java

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Point2DPersistenceFactory.java
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 */
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package org.gvsig.fmap.mapcontext.tools.persistence;
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import java.awt.Color;


  		




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import java.awt.geom.Point2D;


  		




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import org.gvsig.tools.ToolsLocator;


  		




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import org.gvsig.tools.dynobject.DynObjectManager;


  		




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import org.gvsig.tools.dynobject.DynStruct;


  		




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import org.gvsig.tools.persistence.AbstractHierarchyPersistenceFactory;


  		




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import org.gvsig.tools.persistence.PersistenceException;


  		




  
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import org.gvsig.tools.persistence.AbstractSinglePersistenceFactory;


  		




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import org.gvsig.tools.persistence.PersistentState;


  		




  
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import org.gvsig.tools.persistence.exception.PersistenceException;


  		




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/**


  		




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 * Factory to manage the persistence of {@link Point2D} objects.


  		




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 * 


  		




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 * @author 2009- <a href="cordinyana@gvsig.org">C?sar Ordi?ana</a> - gvSIG team


  		




  
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 * @author 2010- <a href="jjdelcerro@gvsig.org">Joaquin Jose del Cerro</a> -


  		




  
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 *         gvSIG team


  		




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 */


  		




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public class Point2DPersistenceFactory extends


  		




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		AbstractHierarchyPersistenceFactory {


  		




  
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public class Point2DPersistenceFactory extends AbstractSinglePersistenceFactory {


  		




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	static final String FIELD_X = "x";


  		




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	static final String FIELD_Y = "y";


  		




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	private static final String POINT2D_DYNCLASS_NAME = "Point2D";


  		




  
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	private static final String DYNCLASS_NAME = "Point2D";


  		




  
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	private static final String DYNCLASS_DESCRIPTION = "Point2D";


  		




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	private static final String POINT2D_DYNCLASS_DESCRIPTION = "Point2D";


  		




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	private DynStruct pointDefinition;


  		




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	/**


  		




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	 * Creates a new {@link Point2DPersistenceFactory} with the


  		




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	 * {@link DynStruct} definition for the {@link Color} objects.


  		




  
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	 * {@link DynStruct} definition for the {@link Point2D} objects.


  		




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	 */


  		




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	public Point2DPersistenceFactory() {


  		




  
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		super(Point2D.class, DYNCLASS_NAME, DYNCLASS_DESCRIPTION, null, null);


  		




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		// Create the DynStruct related to the Point2D objects persisted


  		




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		// data, which will be its X and X values.


  		




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		DynObjectManager dynman = ToolsLocator.getDynObjectManager();


  		




  
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		DynStruct definition = this.getDefinition();


  		




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		pointDefinition = dynman.add(POINT2D_DYNCLASS_NAME,


  		




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				POINT2D_DYNCLASS_DESCRIPTION);


  		




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		pointDefinition.addDynFieldDouble(FIELD_X).setMandatory(true);


  		




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		pointDefinition.addDynFieldDouble(FIELD_Y).setMandatory(true);


  		




  
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		definition.addDynFieldDouble(FIELD_X).setMandatory(true);


  		




  
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		definition.addDynFieldDouble(FIELD_Y).setMandatory(true);


  		




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	}


  		




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	protected Class getParentClass() {


  		




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		return Point2D.class;


  		




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	}


  		




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	protected DynStruct getParentClassDefinition() {


  		




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		return pointDefinition;


  		




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	}


  		




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	public Object createFromState(PersistentState state, Class classToUse)


  		




  
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	public Object createFromState(PersistentState state)


  		




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			throws PersistenceException {


  		




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		double x = state.getDouble(FIELD_X);


  		




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		double y = state.getDouble(FIELD_Y);


  		




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		return new Point2D.Double(x, y);


  		




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	}


  		




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	public void loadFromState(PersistentState state, Object object)


  		




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			throws PersistenceException {


  		




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		// Nothing to do here, everything is read in the creation


  		




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	}


  		




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	public void saveToState(PersistentState state, Object obj)


  		




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			throws PersistenceException {


  		




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		Point2D point = (Point2D) obj;


  		




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		state.set(FIELD_X, point.getX());


  		




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		state.set(FIELD_Y, point.getY());


  		




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	}


  		




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	public String getDomainName() {


  		




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		// Use the default domain name


  		




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		return null;


  		




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	}


  		




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	public String getDomainURL() {


  		




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		// Use the default domain url


  		




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		return null;


  		




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	}


  		




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}


  		












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