package Composite; import java.util.ArrayList; import java.util.Iterator; /** * Created by Administrator on 2017/7/12. */ public class Menu extends MenuComponent { private ArrayList menuComponents; private String name; private String description; public Menu(String name, String description) { menuComponents = new ArrayList<>(); this.name = name; this.description = description; } @Override public void add(MenuComponent menuComponent) { menuComponents.add(menuComponent); } @Override public void remove(MenuComponent menuComponent) { menuComponents.remove(menuComponent); } @Override public MenuComponent getChild(int i) { return menuComponents.get(i); } @Override public String getName() { return name; } @Override public String getDescription() { return description; } @Override public void print() { System.out.println(toString()); System.out.println("---------------------------"); Iterator iterator = menuComponents.iterator(); while (iterator.hasNext()) { MenuComponent menuComponent = (MenuComponent) iterator.next(); menuComponent.print(); } } @Override public String toString() { return "Menu{" + "name='" + name + '\'' + ", description='" + description + '\'' + '}'; } @Override public Iterator createIterator() { return new CompositeIterator(menuComponents.iterator()); } }