/////////////////////////////////////////////////////////////////////
// OuterComponent.cpp - Accepts a string from client, creates an   //
//                      InnerComponent, sends it a string for      //
//                      modification, then modifies the returned   //
//                      string before sending back to its client.  //
//                                                                 //
// Jim Fawcett, CSE775 - Distributed Objects, Spring 2007          //
/////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "OuterComponent.h"
#include "..\InnerComp\InnerComp.h"


//----< modifiy client's string, then send to InnerComponent >-------

STDMETHODIMP COuterComponent::SendStringForModification(BSTR* str)
{
//////////////////////////////////////////////////////////////////
//  HRESULT hr = pInner.CoCreateInstance(CLSID_InnerComponent);
//  called in COuterComponent constructor

  // modify client's string

  CComBSTR s(*str);                 // convert from BSTR to wrapped BSTR
  s += L"\n  Hi from OuterComp";

  // add another modification to client's string

  BSTR stri = s.Detach();           // convert back to BSTR
  if(pInner != 0)
  {
    pInner->ModifyStringAgain(&stri);
  }
  *str = stri;
  return S_OK;
}
//----< return InnerComponent pointer, created in constructor >------

STDMETHODIMP COuterComponent::ReturnInnerPtr(IInnerComponent** pInnerPtr)
{
  *pInnerPtr = pInner;
  (*pInnerPtr)->AddRef();  // client should release
  return S_OK;
}