package designpattern.composite;
public abstract class Target {
    private String name;// 名称
 
    public abstract void add(Target target);// 增加节点
 
    public abstract void remove(Target target);// 删除节点
 
    public abstract void move();// 移动
 
    public abstract void attack();// 攻击
 
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
}

package designpattern.composite;
public class Player extends Target {
    private String name;
    public Player(String name) {
        super();
        this.name = name;
    }
    @Override
    public void move() {
        System.out.println("[" + name + "]正在移动");
    }
    @Override
    public void attack() {
        System.out.println("[" + name + "]发动攻击");
    }
    @Override
    public void add(Target target) {
    }
    @Override
    public void remove(Target target) {
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    @Override
    public String toString() {
        return "Player [name=" + name + "]";
    }
}

package designpattern.composite;
import java.util.ArrayList;
import java.util.List;
public class Team extends Target {
    List<Target> team = new ArrayList<>();
    @Override
    public void add(Target target) {
        team.add(target);
        System.out.println(target.getName() + "加入队伍");
    }
    @Override
    public void remove(Target target) {
        team.remove(target);
        System.out.println(target.getName() + "离开队伍");
    }
    @Override
    public void move() {
        System.out.println(teamMembers() + "组成的队伍正在移动");
    }
    @Override
    public void attack() {
        System.out.println(teamMembers() + "组成的队伍发动攻击");
    }
    private String teamMembers() {
        StringBuffer stringBuffer = new StringBuffer();
        stringBuffer.append("[");
        for (Target target : team) {
            stringBuffer.append(target.getName() + " ");
        }
        stringBuffer.append("]");
        return stringBuffer.toString();
    }
}

package designpattern.composite;
public class Client {
    public static void main(String[] args) {
        Player captainAmerica = new Player("美国队长");
        captainAmerica.move();
        captainAmerica.attack();
        System.out.println("----------复联成立----------");
        Player ironMan = new Player("钢铁侠");
        Player hulk = new Player("绿巨人");
        Team team = new Team();
        team.add(captainAmerica);
        team.add(ironMan);
        team.add(hulk);
        team.move();
        team.attack();
        System.out.println("----------发生矛盾--------");
        team.remove(ironMan);
        team.move();
        team.attack();
    }
}

[美国队长]正在移动
[美国队长]发动攻击
----------复联成立----------
美国队长加入队伍
钢铁侠加入队伍
绿巨人加入队伍
[美国队长 钢铁侠 绿巨人 ]组成的队伍正在移动
[美国队长 钢铁侠 绿巨人 ]组成的队伍发动攻击
----------发生矛盾--------
钢铁侠离开队伍
[美国队长 绿巨人 ]组成的队伍正在移动
[美国队长 绿巨人 ]组成的队伍发动攻击