/*  ResourceLoader - A utility class to load resources like images etc.  Copyright (C) 2002,2003 Andreas Rueckert <mail@andreas-rueckert.de>  This program is free software; you can redistribute it and/or  modify it under the terms of the GNU General Public License  as published by the Free Software Foundation; either version 2  of the License, or (at your option) any later version.  This program is distributed in the hope that it will be useful,  but WITHOUT ANY WARRANTY; without even the implied warranty of  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  GNU General Public License for more details.  You should have received a copy of the GNU General Public License  along with this program; if not, write to the Free Software  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.*/ package de.java_chess.javaChess.util; import java.awt.*;import java.net.*;import java.util.*;/** * A utility class to load resources like images etc. */public class ResourceLoader {    // Static variables    /**     * The only instance of this class (singleton pattern).     */    private static ResourceLoader _instance = null;    // Instance variables    /**     * A list of locations to load from.     */    private java.util.List _locations;        // Constructors    /**     * Create a new loader instance.     */    private ResourceLoader() {	_locations = new ArrayList();    }    // Methods    /**     * Get the only instance of this class.     *     * @return The only instance of this class.     */    public static final ResourceLoader getInstance() {	if( _instance == null) {	    _instance = new ResourceLoader();	}	return _instance;    }        /**     * Add a new location to load resources from.     *     * @param location The location to use.     */    public final void addLocation( String location) {	if( ! location.endsWith( "/")) {	    location += "/";	}	_locations.add( location);    }    /**     * Load an image resource.     *     * @return The image resource, if it was found or null otherwise.     */    public final Image loadImage( String imageName) {	Image result = null;	for( Iterator iter = _locations.iterator(); iter.hasNext(); ) {	    try {		result = Toolkit.getDefaultToolkit().getImage( new URL( iter.next() + imageName));		if( result != null) {		    return result;		}	    } catch( MalformedURLException ignored) {}	}	return null;  // Image not found.    }}