week03 作业

/**
* 接口类
*/
public interface Component {
  void print();
}
/**
* 抽象父类  实现公共模板方法
*/
public abstract class BaseComponent {
	
  private List<Component> components = new ArrayList();
  
  public Component addComponent(Component component) {
  	components.add(component);
    return this;
  }
  
  protected abstract void print0();
  
  @Override
  public void print() {
    print0();
    for(Component component: components) {
    	component.print0();
    }
  }
}
/**
* 标题相关抽象父类  
*/
public abstract class BaseNameComponent extend BaseComponent {
	private String name;
  
  @Override
  protected void print0() {
    System.out.println(name);
  }
}
/**
* 具体组件
*  start
* ============================
*/
public class WinForm extend BaseComponent {
  @Override
  protected void print0() {
    System.out.println("winForm");
  }
}
public class Picture extend BaseComponent {
  @Override
  protected void print0() {
    System.out.println("winForm");
  }
}
public class Button extend BaseNameComponent {
  
  public Button(String name) {
  	super(name);
  }
}
public class Frame extend BaseComponent {
  @Override
  protected void print0() {
    System.out.println("winForm");
  }
}
public class Label extend BaseComponent {
  
  public Label(String name) {
  	super(name);
  }
}
public class TextBox extend BaseNameComponent {
  
  public TextBox(String name) {
  	super(name);
  }
}
public class PasswordBox extend BaseComponent {
  @Override
  protected void print0() {
    System.out.println("PasswordBox");
  }
}
public class CheckBox extend BaseComponent {
  @Override
  protected void print0() {
    System.out.println("CheckBox");
  }
}
public class LinkLabel extend BaseComponent {
  @Override
  protected void print0() {
    System.out.println("LinkLabel");
  }
}
/**
* 具体组件
*  end
* ============================
*/
public class main {
  
  public static void main(String[] args) {
    Component window = new WindowForm()
      .addCompont(new Picture())
      .addCompont(new Button("登陆"))
      .addCompont(new Button("注册"))
      .addCompont(
      			new Frame()
                  .addCompont(new Label("用户名"))
                  .addCompont(new TextBox("文本框"))
                  .addCompont(new Label("密码"))
                  .addCompont(new PasswordBox())
                  .addCompont(new Checkbox())
                  .addCompont(new LinkLabel())
    	);
    window.print();
  }
}