/////////////////////////////////////////////
// MT3Q7 - Object Factory

#include <string>
#include <iostream>

template <typename T>
class PrototypeFactory
{
public:
  T* Create() { return new T(*_pPrototype); }
  void Register(T* pPrototype) { _pPrototype = pPrototype; }
private:
  T* _pPrototype;
};

class TheObject
{
public:
  TheObject(const std::string& str) : _str(str) {}
  void say() { std::cout << "\n  " << _str; }
private:
  std::string _str;
};

int main()
{
  std::cout << "\n  MT3Q7 - Prototype Factory";
  std::cout << "\n ===========================\n";

  TheObject to("Hello CSE687");
  PrototypeFactory<TheObject> protoFact;
  protoFact.Register(&to);

  TheObject* pTO = protoFact.Create();
  pTO->say();
  delete pTO;

  std::cout << "\n\n";
}