/////////////////////////////////////////////////////////////////////
//  client.cpp  --  uses AbstractFactory to create products        //
//                                                                 //
//  Jim Fawcett, CSE791 - Design Patterns, Summer 2002             //
/////////////////////////////////////////////////////////////////////
//  ver 1.1 - added static creational function in AbstractLayer    //
//            so client can use the abstract interface             //
//  ver 2.0 - separated abstract interfaces from concrete classes  //
/////////////////////////////////////////////////////////////////////

#include <iostream>
#include "AbstractFactory.h"
#include "AbstractProduct.h"
using namespace std;

void main( ) {

  cout << "\n  Demonstrating Abstract Factory Pattern "
       << "\n ========================================\n";

  // create concrete factory 1, creata product A, use it

  const AbstractFactory *pCF1
    = AbstractFactory::CreateFactory(1);

  AbstractProductA *pAPA = pCF1->CreateProdA();
  pAPA -> show();

  // creata product B, use it

  AbstractProductB *pAPB = pCF1->CreateProdB();
  pAPB -> show();

  delete const_cast<AbstractFactory*>(pCF1);
  delete pAPA;
  delete pAPB;

  // create concrete factory 2, creata product A, use it

  const AbstractFactory *pCF2
    = AbstractFactory::CreateFactory(2);
  
  pAPA = pCF2->CreateProdA();
  pAPA -> show();

  // create product B, use it

  pAPB = pCF2->CreateProdB();
  pAPB -> show();

  delete const_cast<AbstractFactory*>(pCF2);
  delete pAPA;
  delete pAPB;

  cout << "\n\n";
}