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 22 行

import java.awt.*;

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;
   }

}