Java中常用的设计模式之装饰器模式详解

package com.asurplus.common.decorator;
/**
 * 每天的生活接口
 */
public interface Live {
    /**
     * 每天需要做的事情
     */
    void live();
}

package com.asurplus.common.decorator;
import lombok.extern.slf4j.Slf4j;
/**
 * 起床实现类
 */
@Slf4j
public class GetUpLive implements Live {
    @Override
    public void live() {
        log.info("起床了");
    }
}

package com.asurplus.common.decorator;
import lombok.extern.slf4j.Slf4j;
/**
 * 睡觉实现类
 */
@Slf4j
public class SleepLive implements Live {
    @Override
    public void live() {
        log.info("睡觉了");
    }
}

package com.asurplus.common.decorator;
import lombok.extern.slf4j.Slf4j;
/**
 * 装饰器类
 */
@Slf4j
public class LiveDecorator {
    private Live live;
    public LiveDecorator(Live live) {
        this.live = live;
    }
    public void live() {
        // 生活
        live.live();
        // 刷牙
        brushTeeth();
    }
    private void brushTeeth() {
        log.info("刷牙去咯");
    }
}

package com.asurplus.common.decorator;
/**
 * 装饰器模式
 */
public class TestMain {
    public static void main(String[] args) {
        // 起床
        LiveDecorator getUp = new LiveDecorator(new GetUpLive());
        getUp.live();
        System.out.println();
        // 睡觉
        LiveDecorator sleep = new LiveDecorator(new SleepLive());
        sleep.live();
    }
}