桥接设计模式

java 复制代码

package com.jmj.pattern.bridge;

/**
 * 视频文件(实现化角色)
 */
public interface VideoFile {

    void decode(String fileName);
}

java 复制代码

package com.jmj.pattern.bridge;

public class RmvFile implements VideoFile{
    @Override
    public void decode(String fileName) {
        System.out.println("rmvb视频文件:"+fileName);
    }
}

java 复制代码

package com.jmj.pattern.bridge;

/**
 * avi视频文件(具体的实现化角色)
 */
public class AviFile implements VideoFile{
    @Override
    public void decode(String fileName) {
        System.out.println("avi 视频文件 : "+fileName);
    }
}

java 复制代码

package com.jmj.pattern.bridge;

public abstract class OpratingSystem {
    //声明videoFile变量
    protected  VideoFile videoFile;

    public OpratingSystem(VideoFile videoFile) {
        this.videoFile = videoFile;
    }
    public abstract void play(String fileName);


}

java 复制代码

package com.jmj.pattern.bridge;

/**
 * 扩展抽象化角色(windows操作系统)
 */
public class Windows extends OpratingSystem{


    public Windows(VideoFile videoFile) {
        super(videoFile);
    }

    @Override
    public void play(String fileName) {
      videoFile.decode(fileName);
    }
}

java 复制代码

package com.jmj.pattern.bridge;

public class Mac extends OpratingSystem{
    public Mac(VideoFile videoFile) {
        super(videoFile);
    }

    @Override
    public void play(String fileName) {
        videoFile.decode(fileName);
    }
}

java 复制代码

package com.jmj.pattern.bridge;

public class Client {
    public static void main(String[] args) {
        //创建mac系统对象
        OpratingSystem system=new Mac(new RmvFile());
        system.play("战狼3");

    }
}