Java设计模式之桥接模式的示例详解

public interface AbstractSendMsgService {
    // 发送消息
    public void sendMsg();
}

public interface CommonMsg extends AbstractSendMsgService{

}

public class WxMsgServiceImpl implements CommonMsg{
    @Override
    public void sendMsg() {
        System.out.println("老板使用微信给你发了消息，快去接收吧");
    }
}

public class QqMsgServiceImpl implements CommonMsg{
    @Override
    public void sendMsg() {
        System.out.println("老板使用QQ给你发了消息，快去接收吧");
    }
}

public class Test {
    public static void main(String[] args) {
        new WxMsgServiceImpl().sendMsg();
        new QqMsgServiceImpl().sendMsg();
    }
}

public abstract class NewAbstractSendMsgService {

    protected SendMsgImplementor sendMsgImplementor;

    public NewAbstractSendMsgService(SendMsgImplementor sendMsgImplementor){
        this.sendMsgImplementor = sendMsgImplementor;
    }

    // 微信
    public void sendMsg(){
        this.sendMsgImplementor.sendMsg();
    }
}

public class NewSendMsgServiceImpl extends NewAbstractSendMsgService{

    public NewSendMsgServiceImpl(SendMsgImplementor sendMsgImplementor) {
        super(sendMsgImplementor);
    }

    @Override
    public void sendMsg() {
        super.sendMsg();
    }
}

public interface SendMsgImplementor {

     void sendMsg();
}

public class WxImplementor implements SendMsgImplementor{
    @Override
    public void sendMsg() {
        System.out.println("老板使用微信给你发了消息，快去接收吧");
    }
}

public class QqImplementor implements SendMsgImplementor{
    @Override
    public void sendMsg() {
        System.out.println("老板使用QQ给你发了消息，快去接收吧");
    }
}

public class TestNew {
    public static void main(String[] args) {
        NewSendMsgServiceImpl newSendMsgService = new NewSendMsgServiceImpl(new QqImplementor());
        newSendMsgService.sendMsg();

        NewSendMsgServiceImpl newSendMsgService2 = new NewSendMsgServiceImpl(new WxImplementor());
        newSendMsgService2.sendMsg();
    }
}