Example 7-1: Implementing the Adapter Pattern

TOC

• Shape
• Circle
• XX_Circle

#pragma once

class Shape
{
public:
	Shape(void);
	void virtual display()= 0;
public:
	~Shape(void);
};

#include "Shape.h"

Shape::Shape(void)
{
}

Shape::~Shape(void)
{
}

#pragma once
#include "Shape.h"
#include "XX_Circle.h"

class Circle : public Shape
{
public:
	Circle(XX_Circle *xxCircle);
	void display();
public:
	~Circle(void);
private:
	XX_Circle *myXX_Circle;
};

#include "Circle.h"

Circle::Circle(XX_Circle *xxCircle)
{
	myXX_Circle = xxCircle;
}

Circle::~Circle(void)
{
	delete myXX_Circle;
}

void Circle::display()
{
	myXX_Circle->displayIt();
}

#pragma once

class XX_Circle
{
public:
	XX_Circle(void);
	void displayIt();
public:
	~XX_Circle(void);
};

#include "XX_Circle.h"

XX_Circle::XX_Circle(void)
{
}

XX_Circle::~XX_Circle(void)
{
}