Adapter (C++实现 )

// Adapter.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include <iostream>

using namespace std;

 

class Target
{
public :
 Target() {}
 virtual ~Target(){}
 virtual  void Request()=0;
};

class Adaptee
{
public:
 Adaptee(){}
 virtual ~Adaptee(){}
 void SpecialRequset()
 {
  cout<<"SpecialRequset of Adaptee"<<endl;
 }
};

 

//////////////////////////////////////////////////////////////

 

class Adapter_class:private Adaptee,public Target
{
  public:
   Adapter_class()
   {
    cout<<"Construction of Adapter_class"<<endl;
   }
   virtual ~Adapter_class()
   {
     cout<<"Destruction of Adapter_class"<<endl;
   }
   void Request()
   {
     SpecialRequset();
   }
};

 

 

//////////////////////////////////////////////////////////////

 

class Adpater_object:public Target
{
public:
 Adpater_object(Adaptee* m_p):m_pAdaptee(m_p)
 {
  cout<<"Construction of Adapter_objetc"<<endl;
 }
 virtual ~Adpater_object()
 {
  delete m_pAdaptee;
  m_pAdaptee=NULL;
  cout<<"Destruction of Adapter_class"<<endl;
 }

 

 void Request()
 {
  m_pAdaptee->SpecialRequset();
 }

private:
 Adaptee* m_pAdaptee;

};

 

int _tmain(int argc, _TCHAR* argv[])
{   //Client1
 Target *t=new Adapter_class();
 t->Request();
 delete t;
 
 //Client2
 Adaptee *p=new Adaptee();
 Target *t1=new Adpater_object(p);
 t1->Request();

 return 0;
}