dlhelper.java

非常好的java collapse游戏代码

/*
 * JCollapse - Java Collapse Game
 * Copyright (C) 2005 Erico Gon鏰lves Rimoli
 * 
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

package sourceforge.net.projects.jcollapse.game.components;

import java.awt.Image;
import java.net.URL;

import javax.swing.ImageIcon;

/**
 * This class help you to load data from classpath
 * @author erico
 */
public class DLHelper {
	private static DLHelper m_DLHelper;
	
	private DLHelper() {
	}
	
	/**
	 * Return an instance of DLHelper. Same instance of this object are returned
	 * when you call this method more than one time
	 * @return DLHelper object
	 */
	public static DLHelper getInstance() {
		if( m_DLHelper == null )
			m_DLHelper = new DLHelper();
		
		return m_DLHelper;
	}
	
	/**
	 * Get complete URL from classpath resource location 
	 * @param classPathLocation the classpath resource location
	 * @return the complete URL from classpath
	 */
	public URL getURL( String classPathLocation ) {
		return getClass().getResource( classPathLocation );
	}
	
	/**
	 * Get image from classpath resource location
	 * @param classPathLocation the classpath resource location
	 * @return the image from classpath
	 */
	public Image getImage( String classPathLocation ) {
		return new ImageIcon( getClass().getResource( classPathLocation ) ).getImage();
	}
}