/* object_adapter.cpp
 *
 * Adapter objects get their functionality through an association
 * with an Adaptee object.
 */

#include <iostream>
#include <vector>

class Interface {

public:
  virtual void request() = 0;
};

class Target {

public:
  virtual void specificRequest() {std::cout << "Using specific request\n";}
};

class Adapter: public Interface {

public:
  Adapter(Target* target) : adaptee(target) {}

  virtual void request(){ adaptee->specificRequest(); }

private:
  Target* adaptee;
};

class Client {

public:
  Client(Interface* interface) : _interface(interface) {}

  void do_something() { _interface->request(); }

private:
  Interface* _interface;
};

int main() {

  Target t;

  Adapter a(&t);

  Client client(&a);

  client.do_something();
}