C++设计模式之适配器模式(2)

/*
** FileName     : AdapterPatternDemo
** Author       : Jelly Young
** Date         : 2013/11/27
** Description  : More information, please go to http://www.jellythink.com
*/
 
#include <iostream>
using namespace std;
 
// Targets
class Target
{
public:
    virtual void Request()
    {
        cout<<"Target::Request"<<endl;
    }
};
 
// Adaptee
class Adaptee
{
public:
    void SpecificRequest()
    {
        cout<<"Adaptee::SpecificRequest"<<endl;
    }
};
 
// Adapter
class Adapter : public Target, Adaptee
{
public:
    void Request()
    {
        Adaptee::SpecificRequest();
    }
};
 
// Client
int main(int argc, char *argv[])
{
    Target *targetObj = new Adapter();
    targetObj->Request();
 
    delete targetObj;
    targetObj = NULL;
 
    return 0;
}

/*
** FileName     : AdapterPatternDemo
** Author       : Jelly Young
** Date         : 2013/11/27
** Description  : More information, please go to http://www.jellythink.com
*/
 
#include <iostream>
using namespace std;
 
class Target
{
public:
    Target(){}
    virtual ~Target(){}
    virtual void Request()
    {
        cout<<"Target::Request"<<endl;
    }
};
 
class Adaptee
{
public:
    void SpecificRequest()
    {
        cout<<"Adaptee::SpecificRequest"<<endl;
    }
};
 
class Adapter : public Target
{
public:
    Adapter() : m_Adaptee(new Adaptee) {}
 
    ~Adapter()
    {
        if (m_Adaptee != NULL)
        {
            delete m_Adaptee;
            m_Adaptee = NULL;
        }
    }
 
    void Request()
    {
        m_Adaptee->SpecificRequest();
    }
 
private:
    Adaptee *m_Adaptee;
};
 
int main(int argc, char *argv[])
{
    Target *targetObj = new Adapter();
    targetObj->Request();
 
    delete targetObj;
    targetObj = NULL;
 
    return 0;
}