/* $Id: ProjectFileView.java 17832 2010-01-12 19:02:29Z 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:

  *    mvw

  *****************************************************************************

  *

  * Some portions of this file was previously release using the BSD License:

  */

 // Copyright (c) 2006 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.persistence;

 import java.io.File;

 import javax.swing.Icon;

 import javax.swing.filechooser.FileView;

 import org.argouml.application.helpers.ResourceLoaderWrapper;

 /**

  * Provides an icon for project files. 

  * 

  * @since Jun 2, 2006

  * @author andrea.nironi@gmail.com @stereotype singleton

  */

 public final class ProjectFileView extends FileView {

     private static ProjectFileView instance = new ProjectFileView();

     /**

      * Constructor for ProjectFileView.

      */

     private ProjectFileView() {

     }

     /**

      * Returns the singleton instance.

      * 

      * @return ProjectFileView

      */

     public static ProjectFileView getInstance() {

         return instance;

     }

     /**

      * Load an icon for a supported project file.

      *  

      * @param   f the file to check 

      * @return  a nice icon if the file is known as a project file, 

      *                         otherwise a default one

      */

     public Icon getIcon(File f) {

             AbstractFilePersister persister = PersistenceManager.getInstance()

                                 .getPersisterFromFileName(f.getName());

         if (persister != null && persister.hasAnIcon()) {

             return ResourceLoaderWrapper.lookupIconResource("UmlNotation");

         } else {

             return null;

         }

     } 

 }