第十七章 适配器模式

适配器模式：将一个类的借口转换成客户希望的另外一个接口。

应用场景：系统的数据和行为都正确，但接口不符时，我们应该考虑使用适配器模式，目的是使控制范围之外的一个原有对象与某个接口匹配。主要应用于希望复用一些现存的类，但是接口又与复用环境要求不一致的情况。

注意：应该注意其应用场景，不能本末倒置。

/**
 * Created by hero on 16-4-4.
 */
public abstract class Player {
    private String name;

    public abstract void attack();

    public Player(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }
}
/**
 * Created by hero on 16-4-4.
 */
public class Forward extends Player {
    @Override
    public void attack() {
        System.out.println("forward player " + getName() + " attack.");
    }

    public Forward(String name) {
        super(name);
    }
}
/**
 * Created by hero on 16-4-4.
 */
public class ForeignCenter {
    private String name;

    public void 进攻() {
        System.out.println("外籍中锋 " + name + " 进攻");
    }

    public ForeignCenter(String name) {
        this.name = name;
    }
}
/**
 * Created by hero on 16-4-4.
 */
public class Translator extends Player {
    private ForeignCenter center;

    @Override
    public void attack() {
        center.进攻();
    }

    public Translator(String name) {
        super(name);
        center = new ForeignCenter(name);
    }
}
public class Main {

    public static void main(String[] args) {
        Player hhd = new Forward("hhd");
        hhd.attack();
        Player ym = new Translator("ym");
        ym.attack();
    }
}