imagefactory.java

windows自带的扫雷游戏

package mine.view;

import javax.swing.*;
import java.util.*;

public class ImageFactory {
//    private static ImageIcon[] images;
    private static ImageFactory imagefactory;
    private String[] imageString;
    Hashtable ht = new Hashtable();
    private ImageFactory() {
        imageString = new String[25];
        imageString[0] = "images/0.gif";
        imageString[1] = "images/1.gif";
        imageString[2] = "images/2.gif";
        imageString[3] = "images/3.gif";
        imageString[4] = "images/4.gif";
        imageString[5] = "images/5.gif";
        imageString[6] = "images/6.gif";
        imageString[7] = "images/7.gif";
        imageString[8] = "images/8.gif";
        imageString[9] = "images/9.gif";
        imageString[10] = "images/flag.gif";
        imageString[11] = "images/mine.gif";
        imageString[12] = "images/onmine.gif";
        imageString[13] = "images/question.gif";
        imageString[14] = "images/q2.gif";
        imageString[15] = "images/wrong.gif";
        imageString[16] = "images/mineico.gif";
        imageString[17] = "images/exit.png";
        imageString[18] = "images/help.png";
        imageString[19] = "images/qq1.gif";
        imageString[20] = "images/qq2.gif";
        imageString[21] = "images/qq3.gif";
        imageString[22] = "images/qq4.gif";
        imageString[23] = "images/JavaCup32.png";

    }

    public synchronized static ImageFactory getInstance() {
        if (imagefactory != null) {
            return imagefactory;
        }
        imagefactory = new ImageFactory();
        return imagefactory;

    }

    public ImageIcon getImageicon(int imageid) {
        ImageIcon imageicon = (ImageIcon) ht.get(imageString[imageid]);
        if (imageicon != null) {
            return imageicon;
        }
        imageicon = new ImageIcon(getClass().getResource(imageString[imageid]));
        ht.put(imageString[imageid], imageicon);
        return imageicon;

    }

}