设计模式应用

public interface Component {

    public void print();

    public void add(Component component);
}


public class Node implements Component{

    private String nodeType;

    private String nodeName;

    ArrayList<Component> list = new ArrayList<Component>();

    public Node(String nodeType,String nodeName){
        this.nodeName = nodeName;
        this.nodeType = nodeType;
    }

    @Override
    public void add(Component component){
        list.add(component);
    }

    @Override
    public void print() {
        System.out.println(this.nodeType + "(" + this.nodeName + ")");
        for(Component component : list){
            component.print();
        }
    }
}


public class Leaf implements Component {

    private String leafType;

    private String leafName;

    public Leaf(String leafType, String leafName) {
        this.leafType = leafType;
        this.leafName = leafName;
    }

    @Override
    public void print() {
        System.out.println(this.leafType + "(" + this.leafName + ")");
    }

    @Override
    public void add(Component component) {

    }
}


public class Test {
    public static void main(String[] args) {
        Component windowForm = new Node("WinForm","WINDOW窗口");
        Component picture = new Leaf("Picture","LOGO图片");
        Component button1 = new Leaf("Button","登录");
        Component button2 = new Leaf("Button","注册");
        Component frame = new Node("Frame","FRAME1");
        Component lable1 = new Leaf("Lable","用户名");
        Component textBox1 = new Leaf("TextBox","文本框");
        Component lable2 = new Leaf("Lable","密码");
        Component passwordBox = new Leaf("PasswordBox","密码框");
        Component checkBox = new Leaf("CheckBox","复选框");
        Component textBox2 = new Leaf("TextBox","记住用户名");
        Component linkLable = new Leaf("LinkLable","忘记密码");
        frame.add(lable1);
        frame.add(textBox1);
        frame.add(lable2);
        frame.add(passwordBox);
        frame.add(checkBox);
        frame.add(textBox2);
        frame.add(linkLable);
        windowForm.add(picture);
        windowForm.add(button1);
        windowForm.add(button2);
        windowForm.add(frame);
        windowForm.print();
    }
}

> Task :Test.main()
WinForm(WINDOW窗口)
Picture(LOGO图片)
Button(登录)
Button(注册)
Frame(FRAME1)
Lable(用户�?)
TextBox(文本�?)
Lable(密码)
PasswordBox(密码�?)
CheckBox(复�?�框)
TextBox(记住用户�?)
LinkLable(忘记密码)