设计模式 之 《适配器模式》

 

#ifndef __ADAPTER_MODEL__
#define __ADAPTER_MODEL__

#include <iostream>
using namespace std;

//GOOD：双方都不适合修改的时候，可以考虑使用适配器模式

class Target
{
public:
    virtual void request(){ cout<<"普通的请求"<<endl; }
};

class Adaptee
{
public:
    void specificalRequest(){ cout<<"特殊请求"<<endl; }
};

class Adapter : public Target
{
private:
    Adaptee* adapt;
public:
    Adapter(){ adapt = new Adaptee(); }
    ~Adapter(){ delete adapt; }
    virtual void request()
    {
        adapt->specificalRequest();
        Target::request();
    }
};

#endif //__ADAPTER_MODEL__

/*
#include "Adapter.h"
int _tmain(int argc, _TCHAR* argv[])
{
Adapter* ada = new Adapter();
ada->request();
delete ada;

return 0;
}
*/