contentmgmt/cafstreamingsupport/source/keystreamsink.cpp
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// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include <caf/streaming/keystreamsink.h>
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#include "ipsec/ipseckeystreamsink.h"
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#include <s32mem.h>
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const TInt KExpandSize = 128;
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using namespace StreamAccess;  
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EXPORT_C TPtr8 CKeyStreamSink::ExternalizeLC() const
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	{
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	CBufFlat* buf = CBufFlat::NewL(KExpandSize);
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	CleanupStack::PushL(buf);
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	RBufWriteStream stream(*buf);
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	CleanupClosePushL(stream);
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	this->DoExternalizeL(stream);
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	CleanupStack::PopAndDestroy(&stream);
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	HBufC8 *allocatedBuf = HBufC8::NewL(buf->Size());
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	TPtr8 ptr(allocatedBuf->Des());
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	buf->Read(0, ptr, buf->Size());
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	CleanupStack::PopAndDestroy(buf);
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	CleanupStack::PushL(allocatedBuf);
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	return ptr;
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	}
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EXPORT_C CKeyStreamSink* CKeyStreamSink::InternalizeLC(const TDesC8 &aBuf)
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	{
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	CKeyStreamSink* ret(NULL);
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	RDesReadStream readStream(aBuf);
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	CleanupClosePushL(readStream);
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	TUint16 keyStreamSinkType = readStream.ReadUint16L();
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	switch (keyStreamSinkType)
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		{
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		case EIpSecSinkId: ret = CIpSecKeyStreamSink::NewLC(readStream); break;
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		default: User::Leave(KErrNotSupported);
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		}
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	CleanupStack::Pop(ret);
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	CleanupStack::PopAndDestroy(&readStream);
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	CleanupStack::PushL(ret);
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	return ret;
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	}