folderfactory.java

来自「源码为科学出版社出版的英文<java设计模式>(影印版)所用的所有例」· Java 代码 · 共 18 行

import java.awt.*;

public class FolderFactory {
    Folder unSelected, Selected;
    public FolderFactory() {
        Color brown = new Color(0x5f5f1c);
        Selected =  new Folder(brown);
        unSelected = new Folder(Color.yellow);
    }
//-------------------------------  
    public Folder getFolder(boolean isSelected) {
        if (isSelected)
            return Selected;
        else
            return unSelected;
    }
}