/* $Id: ClassdiagramModelElementFactory.java 17863 2010-01-12 20:07:22Z linus $
*****************************************************************************
* Copyright (c) 2009 Contributors - see below
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* tfmorris
*****************************************************************************
*
* Some portions of this file was previously release using the BSD License:
*/
// Copyright (c) 1996-2008 The Regents of the University of California. All
// Rights Reserved. Permission to use, copy, modify, and distribute this
// software and its documentation without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph appear in all copies. This software program and
// documentation are copyrighted by The Regents of the University of
// California. The software program and documentation are supplied "AS
// IS", without any accompanying services from The Regents. The Regents
// does not warrant that the operation of the program will be
// uninterrupted or error-free. The end-user understands that the program
// was developed for research purposes and is advised not to rely
// exclusively on the program for any reason. IN NO EVENT SHALL THE
// UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
// SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,
// ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
// THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
// SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
// PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
// CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT,
// UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
package org.argouml.uml.diagram.static_structure.layout;
import org.apache.log4j.Logger;
import org.argouml.uml.diagram.layout.LayoutedObject;
import org.argouml.uml.diagram.static_structure.ui.FigComment;
import org.argouml.uml.diagram.static_structure.ui.FigEdgeNote;
import org.argouml.uml.diagram.ui.FigAbstraction;
import org.argouml.uml.diagram.ui.FigAssociation;
import org.argouml.uml.diagram.ui.FigGeneralization;
import org.argouml.uml.diagram.ui.FigNodeModelElement;
import org.tigris.gef.presentation.FigNode;
/** a class to get the proper layouter for a Fig.
* Currently this deals only with Generalizations and Realizations.
*
* @author Markus Klink
* @stereotype singleton
*/
public class ClassdiagramModelElementFactory
{
private static final Logger LOG =
Logger.getLogger(ClassdiagramModelElementFactory.class);
/**
* The singleton.
*/
public static final ClassdiagramModelElementFactory SINGLETON =
new ClassdiagramModelElementFactory();
private ClassdiagramModelElementFactory() { }
/** create layouter object from a Fig.*
*
* @param f Object which contains the Fig
* @return Layouter for the Edge or Classnode or null if none exists.
*/
public LayoutedObject getInstance(Object f) {
if (f instanceof FigComment) {
return (new ClassdiagramNote((FigComment) f));
} else if (f instanceof FigNodeModelElement) {
return (new ClassdiagramNode((FigNode) f));
} else if (f instanceof FigGeneralization) {
return new ClassdiagramGeneralizationEdge((FigGeneralization) f);
} else if (f instanceof FigAbstraction) {
return (new ClassdiagramRealizationEdge((FigAbstraction) f));
} else if (f instanceof FigAssociation) {
return (new ClassdiagramAssociationEdge((FigAssociation) f));
} else if (f instanceof FigEdgeNote) {
return (new ClassdiagramNoteEdge((FigEdgeNote) f));
}
LOG.debug("Do not know how to deal with: " + f.getClass().getName()
+ "\nUsing standard layout");
return null;
}
}