/* static */ ImplAAFStorable * ImplAAFRefContainerValue::GetStorableFromPropertyValue(
ImplAAFPropertyValue* pPropertyValue,
AAFRESULT & result)
{
result = AAFRESULT_SUCCESS;
ASSERTU(NULL != pPropertyValue);
ImplAAFStorable* storable = NULL; // initialize the returned parameter
// Make sure that the type definition can contain a single object
// reference.
ImplAAFTypeDefSP pPropertyValueType;
result = pPropertyValue->GetType(&pPropertyValueType);
if (AAFRESULT_FAILED(result))
return NULL;
ImplAAFTypeDefObjectRef* pObjectRefType = NULL;
pObjectRefType = dynamic_cast<ImplAAFTypeDefObjectRef *>((ImplAAFTypeDef *)pPropertyValueType);
if (NULL == pObjectRefType)
{
result = AAFRESULT_INVALID_PARAM;
return NULL;
}
// Use the type to extract the object from the input property
// value.
ImplAAFRoot *pObject = NULL;
result = pObjectRefType->GetObject(pPropertyValue, &pObject); // returns reference counted object!
if (AAFRESULT_FAILED(result))
return NULL;
// the returned object is NOT reference counted.
pObject->ReleaseReference();
storable = ImplAAFRefValue::ConvertRootToOMStorable(pObject);
ASSERTU(NULL != storable);
if (NULL == storable)
result = AAFRESULT_INVALID_OBJ;
return storable;
}
HRESULT STDMETHODCALLTYPE
CAAFTypeDefObjectRef::GetObject (IAAFPropertyValue * pPropVal,
REFIID iid,
IUnknown ** ppObject)
{
HRESULT hr = S_OK;
try
{
ImplAAFTypeDefObjectRef * ptr;
ImplAAFRoot * pO;
pO = GetRepObject ();
assert (pO);
ptr = static_cast<ImplAAFTypeDefObjectRef*> (pO);
assert (ptr);
//
// set up for pPropVal
//
ImplAAFPropertyValue * internalpPropVal = NULL;
if (pPropVal)
{
HRESULT hStat;
IAAFRoot * iObj;
ImplAAFRoot *arg;
hStat = pPropVal->QueryInterface (IID_IAAFRoot, (void **)&iObj);
assert (SUCCEEDED (hStat));
assert (iObj);
hStat = iObj->GetImplRep((void **)&arg);
assert (SUCCEEDED (hStat));
iObj->Release(); // we are through with this interface pointer.
internalpPropVal = static_cast<ImplAAFPropertyValue*>(arg);
assert (internalpPropVal);
}
//
// set up for ppObject
//
ImplAAFRoot * internalppObject = NULL;
ImplAAFRoot ** pinternalppObject = NULL;
if (ppObject)
{
pinternalppObject = &internalppObject;
}
hr = ptr->GetObject
(internalpPropVal,
pinternalppObject);
//
// no cleanup necessary for pPropVal
//
//
// cleanup for ppObject
//
if (internalppObject)
{
IUnknown *pUnknown = static_cast<IUnknown *> (internalppObject->GetContainer());
HRESULT hStat = pUnknown->QueryInterface(iid, (void **)ppObject);
if (SUCCEEDED(hr) && FAILED(hStat))
hr = hStat;
internalppObject->ReleaseReference(); // We are through with this pointer.
}
}
catch (OMException& e)
{
// OMExceptions should be handled by the impl code. However, if an
// unhandled OMException occurs, control reaches here. We must not
// allow the unhandled exception to reach the client code, so we
// turn it into a failure status code.
//
// If the OMException contains an HRESULT, it is returned to the
// client, if not, AAFRESULT_UHANDLED_EXCEPTION is returned.
//
hr = OMExceptionToResult(e, AAFRESULT_UNHANDLED_EXCEPTION);
}
catch (OMAssertionViolation &)
{
// Control reaches here if there is a programming error in the
// impl code that was detected by an assertion violation.
// We must not allow the assertion to reach the client code so
// here we turn it into a failure status code.
//
hr = AAFRESULT_ASSERTION_VIOLATION;
}
catch (...)
{
// We CANNOT throw an exception out of a COM interface method!
// Return a reasonable exception code.
//
hr = AAFRESULT_UNEXPECTED_EXCEPTION;
}
return hr;
}