public class 中介者模式 { public static void main(String[] args) { Mediator mediator=new ConcreteMediator(); ColleagueA colleagueA=new ColleagueA(mediator); ColleagueB colleagueB=new ColleagueB(mediator); mediator.setColleagueA(colleagueA); mediator.setColleagueB(colleagueB); colleagueA.sendMassage("软考加油"); colleagueB.sendMassage("你也是"); } } abstract class Colleague{ protected Mediator mediator; } class ColleagueA extends Colleague{ public ColleagueA(Mediator mediator) { this.mediator=mediator; } public void sendMassage(String massage) { mediator.sendMassage(massage,this); } public void Notify(String massage) { System.out.println("同事1收到消息 "+massage); } } class ColleagueB extends Colleague{ public ColleagueB(Mediator mediator) { this.mediator=mediator; } public void sendMassage(String massage) { mediator.sendMassage(massage,this); } public void Notify(String massage) { System.out.println("同事2收到消息 "+massage); } } abstract class Mediator{ public abstract void sendMassage(String massage,Colleague colleague); public abstract void setColleagueA(ColleagueA colleagueA); public abstract void setColleagueB(ColleagueB colleagueB); } class ConcreteMediator extends Mediator{ private ColleagueA colleagueA; private ColleagueB colleagueB; @Override public void setColleagueA(ColleagueA colleagueA) { this.colleagueA = colleagueA; } @Override public void setColleagueB(ColleagueB colleagueB) { this.colleagueB = colleagueB; } @Override public void sendMassage(String massage,Colleague colleague) { if(colleague==colleagueA) { colleagueB.Notify(massage); }else { colleagueA.Notify(massage); } } }
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