myimagefactory.java~3~

《深入浅出设计模式》的完整源代码

package myimage;

class MyImageFactory{
  MyImage image1, image2, image3;

  public MyImageFactory() {
    image1 = new MyImage ("love.gif");
    image2 = new MyImage ("pig.gif");
    image3 = new MyImage ("bird.gif");
  }

  public MyImage getMyImage (String name) {
    if (name.equals ("love"))
      return image1;
    else if (name.equals ("pig"))
      return image2;
    else if (name.equals ("bird"))
      return image3;

    return null;
  }
}