http://www.verejava.com/?id=16999137231072

package com.mediator.theory;

public class TestMediator
{
    public static void main(String[] args)
    {
        Mediator mediator=new MediatorImpl();
        mediator.handle("rent");
        mediator.handle("sale");
    }
}





package com.mediator.theory;

public interface Mediator
{
    public void handle(String content);
}





package com.mediator.theory;

public class MediatorImpl implements Mediator
{
    private HouseOwner owner1;
    private HouseOwner owner2;
    
    public MediatorImpl()
    {
        owner1=new HouseRent();
        owner2=new HouseSale();
    }

    @Override
    public void handle(String content)
    {
        if("rent".equals(content))
        {
            owner1.action();
        }
        if("sale".equals(content))
        {
            owner2.action();
        }
    }

}





package com.mediator.theory;

public interface HouseOwner
{
    public void action();
}





package com.mediator.theory;

public class HouseRent implements HouseOwner
{

    @Override
    public void action()
    {
        System.out.println("客戶來了需要租房");
    }

}






package com.mediator.theory;

public class HouseSale implements HouseOwner
{

    @Override
    public void action()
    {
        System.out.println("客戶來了需要賣房");
    }

}

 

http://www.verejava.com/?id=16999137231072

Java 設計模式 之 調停者模式