/*

* Copyright (c) 2006-2007 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:  CFServer utils

*

*/

#ifndef CFSERVICEUTILS_H

#define CFSERVICEUTILS_H

#include <e32base.h>

class RWriteStream;

class RReadStream;

/**

* Context Framework Services utils class.

*/

NONSHARABLE_CLASS( CFServiceUtils )

    {

    public:

        /**

        * Updates buffer with new data.

        * Creates a new buffer if needed.

        * 

        * @since S60 5.0

        * @param aBuffer Buffer where to copy.

        * @param aNewData New data what to copy.

        * @return None.

        */

        static void UpdateBufferL( HBufC*& aBuffer, const TDesC& aNewData );

        /**

        * Writes descriptor into stream.

        * First is written descriptor length and then the descriptor itself.

        * 

        * @since S60 5.0

        * @param aDesc Descriptor to write into stream.

        * @param aStream Write stream to do the writing.

        * @return None.

        */

        static void WriteIntoStreamL( const HBufC* const aBuf, RWriteStream& aStream );

        /**

        * Read from stream into descriptor.

        * First is read descriptor length and then the descriptor itself.

        * 

        * @since S60 5.0

        * @param aDesc Descriptor to write into stream.

        * @param aStream Write stream to do the writing.

        * @return None.

        */

        static void ReadFromStreamL( HBufC*& aBuffer, RReadStream& aStream );

    };

#endif