桥接模式

将类的抽象部分和它的实现部分分离开来，使它们可以独立地变化。
它是用聚合关系代替继承关系来实现的，从而降低了抽象和实现这两个可变维度的耦合度。

package com.strife.pattern.bridge;

/**
 * 桥接模式
 *
 * @author mengzhenghao
 * @date 2022/5/29
 */
public class Bridge {

    public static void main(String[] args) {
        Brand brand = new XiaoMi();
        AbstractPhone phone = new FoldedPhone(brand);
        phone.open();
        phone.call();
        phone.close();

        brand = new Vivo();
        phone = new FoldedPhone(brand);
        phone.open();
        phone.call();
        phone.close();

        phone = new UpRightPhone(brand);
        phone.open();
        phone.call();
        phone.close();
    }
}


interface Brand {
    void open();
    void close();
    void call();
}

class XiaoMi implements Brand {

    @Override
    public void open() {
        System.out.println("小米手机开机");
    }

    @Override
    public void close() {
        System.out.println("小米手机关机");
    }

    @Override
    public void call() {
        System.out.println("小米手机打电话");
    }
}


class Vivo implements Brand {

    @Override
    public void open() {
        System.out.println("Vivo手机开机");
    }

    @Override
    public void close() {
        System.out.println("Vivo手机关机");
    }

    @Override
    public void call() {
        System.out.println("Vivo手机打电话");
    }
}

/** 抽象手机类 */
abstract class AbstractPhone {

    private Brand brand;

    public AbstractPhone(Brand brand) {
        this.brand = brand;
    }

    protected void open() {
        this.brand.open();
    }

    protected void close() {
        this.brand.close();
    }

    protected void call() {
        this.brand.call();
    }
}

/** 折叠式手机 */
class FoldedPhone extends AbstractPhone {

    public FoldedPhone(Brand brand) {
        super(brand);
    }

    protected void open() {
        System.out.println("折叠手机");
        super.open();
    }

    protected void close() {
        System.out.println("折叠手机");
        super.close();
    }

    protected void call() {
        System.out.println("折叠手机");
        super.call();
    }
}


/** 直立式手机 */
class UpRightPhone extends AbstractPhone {
    public UpRightPhone(Brand brand) {
        super(brand);
    }

    protected void open() {
        System.out.println("直立手机");
        super.open();
    }

    protected void close() {
        System.out.println("直立手机");
        super.close();
    }

    protected void call() {
        System.out.println("直立手机");
        super.call();
    }
}