///////////////////////////////////////////////////////////////////////
//  Application.h - class that provides factory method which returns //
//                  object of type Document                          //
//  Language:       Visual C++ 2008                                  //
//  Platform:       Sony Vaio, Intel Core 2 Duo                      //
//  Application:    Demonstrating Factory Method Pattern			 //
//  Author:         Anjan Kumar, Bollam , CSE                        //
///////////////////////////////////////////////////////////////////////

#ifndef APPLICATION_H
#define APPLICATION_H

#include "Document.h"
#include <iostream>
using std::cout;

class Application{
	
protected:
	virtual Document* CreateDocument(std::string docName)=0;

public:
	Application():index(0)
	{
		std::cout<<"Application constructor"<<std::endl;
	}

	void NewDocument(std::string docName)
	{
		std::cout<<"calling New Document\n";
		std::cout<<"calling CreateDocument from client class\n";
		
		doc[index]=CreateDocument(docName);
		doc[index++]->Open();

	}

	void OpenDocument(){}
	
	virtual ~Application(){};

private:
	Document* doc[10];
	int index;

};

#endif