eightutil.java

九宫问题（八数码）的一个小软件

/*
 * EightUtil.java
 *
 * Created on February 7, 2006, 1:46 PM
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package org.ray.ninegrid;

import java.util.Hashtable;
import javax.swing.ImageIcon;

/**
 *
 * @author Ray#
 */
public class EightUtil {
    
    private static EightUtil instance=new EightUtil();
    public static EightUtil getInstance(){
        return instance;
    }
    private Hashtable<String,ImageIcon> icons;
    
    ImageIcon getImage(String key){
        if(icons==null){
            icons=new Hashtable<String,ImageIcon>();
            icons.put("icon1",new ImageIcon(getClass().getResource("/org/ray/ninegrid/pics/1.png")));
            icons.put("icon2",new ImageIcon(getClass().getResource("/org/ray/ninegrid/pics/2.png")));
            icons.put("icon3",new ImageIcon(getClass().getResource("/org/ray/ninegrid/pics/3.png")));
            icons.put("icon4",new ImageIcon(getClass().getResource("/org/ray/ninegrid/pics/4.png")));
            icons.put("icon5",new ImageIcon(getClass().getResource("/org/ray/ninegrid/pics/5.png")));
            icons.put("icon6",new ImageIcon(getClass().getResource("/org/ray/ninegrid/pics/6.png")));
            icons.put("icon7",new ImageIcon(getClass().getResource("/org/ray/ninegrid/pics/7.png")));
            icons.put("icon8",new ImageIcon(getClass().getResource("/org/ray/ninegrid/pics/8.png")));
            icons.put("icon0",new ImageIcon(getClass().getResource("/org/ray/ninegrid/pics/0.png")));
        }
        return icons.get(key);
    }
    
    public static void log(Exception e){
        System.err.println(e);
    }
}