架构师训练营第三周作业及总结

//抽象组件类
public abstract class AComponent {
    protected String name;
    public void print() {
        System.out.println("print " + getClass().getName()
                .substring(getClass().getName().lastIndexOf(".") + 1) + "(" + name + ")");
    }
  //根据head first 设计模式，加这个实现是因为比如label组件不具备该功能，如果调用则抛出异常
    protected void add(AComponent aComponent) {
        throw new UnsupportedOperationException();
    }
}
// 非叶子节点组件
public class WindowForm extends AComponent {
    private List<AComponent> childrenComponent = new ArrayList<>();
    public WindowForm(String name) {
        this.name = name;
    }
    @Override
    public void print() {
        super.print();
        childrenComponent.forEach(c->c.print());
    }
    @Override
    public void add(AComponent aComponent) {
        childrenComponent.add(aComponent);
    }
}
//叶子节点组件
public class Button extends AComponent {
    public Button(String name) {
        this.name = name;
    }
    @Override
    public void print() {
        super.print();
    }
}
//client
public class Client {
    public static void main(String[] args) {
        WindowForm window = new WindowForm("Window窗口");
        Picture pic = new Picture("LOGO图片");
        Button logon = new Button("登录");
        Button register = new Button("注册");
        Frame frame = new Frame("FRAME1");
        Label userNameLabel = new Label("用户名");
        Label pwdLabel = new Label("密码");
        TextBox userNameTextBox = new TextBox("用户名文本框");
        PasswordBox pwdBox = new PasswordBox("密码框");
        CheckBox checkBox = new CheckBox("复选框");
        Label rememberMe = new Label("记住用户名");
        LinkLabel forgetPwd = new LinkLabel("忘记密码");
        window.add(pic);
        window.add(logon);
        window.add(register);
        window.add(frame);
        frame.add(userNameLabel);
        frame.add(userNameTextBox);
        frame.add(pwdLabel);
        frame.add(pwdBox);
        frame.add(checkBox);
        frame.add(rememberMe);
        frame.add(forgetPwd);
        window.print();
    }
}