applayerprotocols/httptransportfw/Test/t_httpmessage/cmessagedatasupplier.cpp
changeset 0 b16258d2340f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/applayerprotocols/httptransportfw/Test/t_httpmessage/cmessagedatasupplier.cpp	Tue Feb 02 01:09:52 2010 +0200
@@ -0,0 +1,109 @@
+// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include "cmessagedatasupplier.h"
+
+#include "mdatasupplierobserver.h"
+
+CMessageDataSupplier* CMessageDataSupplier::NewL(MDataSupplierObserver& aObserver, const TDesC8& aData, TInt aBufferSize)
+	{
+	CMessageDataSupplier* self = new(ELeave) CMessageDataSupplier(aObserver, aData, aBufferSize);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CMessageDataSupplier::~CMessageDataSupplier()
+	{
+	Cancel();
+
+	delete iBuffer;
+	}
+
+CMessageDataSupplier::CMessageDataSupplier(MDataSupplierObserver& aObserver, const TDesC8& aData, TInt aBufferSize)
+: CActive(CActive::EPriorityStandard), iObserver(aObserver), iRemainingData(aData), iBufferSize(aBufferSize)
+	{
+	CActiveScheduler::Add(this);
+	}
+
+void CMessageDataSupplier::ConstructL()
+	{
+	iBuffer = HBufC8::NewL(iBufferSize);
+
+	SetData();
+	}
+
+
+TBool CMessageDataSupplier::GetData(TPtrC8& aData)
+	{
+	aData.Set(*iBuffer);
+
+	return iLast;
+	}
+
+void CMessageDataSupplier::ReleaseData()
+	{
+	iBuffer->Des().Zero();
+
+	if( !iLast )
+		CompleteSelf();
+	}
+
+void CMessageDataSupplier::CompleteSelf()
+	{
+	TRequestStatus* pStat = &iStatus;
+	User::RequestComplete(pStat, KErrNone);
+	SetActive();
+	}
+
+void CMessageDataSupplier::SetData()
+	{
+	// Need to set the new data...
+	TInt dataLength = iBufferSize;
+
+	if( dataLength > iRemainingData.Length() )
+		{
+		dataLength = iRemainingData.Length();
+		}
+	// Copy the data...
+	iBuffer->Des().Copy(iRemainingData.Left(dataLength));
+
+	// Update the remaining data
+	iRemainingData.Set(iRemainingData.Mid(dataLength));
+
+	// Is this the last part?
+	iLast = iRemainingData.Length() == 0;
+	}
+
+/*
+ *	Methods from CActive
+ */
+
+void CMessageDataSupplier::RunL()
+	{
+	// Set the data...
+	SetData();
+
+	// Notify the observer that the data is ready
+	iObserver.DataReady();
+	}
+
+void CMessageDataSupplier::DoCancel()
+	{
+	// Do nothing...
+	}
+
+