/*

 * Copyright (c) 2006 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:  PosLandmarkSerialization class definition

 *

 */

 #ifndef __EPOS_POSLANDMARKSERIALIZATION_H

 #define __EPOS_POSLANDMARKSERIALIZATION_H

 #include <e32base.h>

 class CPosLandmark;

 /**

  *  This class contains helper methods for landmark serialization.

  *  A landmark can be packed into a buffer with PackL method and unpacked

  *  back with UnpackL method.

  *

  *  @lib eposlandmarks.lib

  *  @since S60 3.1

  */

 class PosLandmarkSerialization

     {

     public:

         /** Packs landmark object into a buffer.

          *

          *  All the data is preserved when packing. Database information is not stored.

          *  Packed landmark can be unpacked with @ref UnpackL method.

          *

          *  @param aLandmark The landmark to be packed.

          *  @return The buffer with the landmark data packed.

          *          Ownership is transferred to the client.

          */

         IMPORT_C static HBufC8* PackL( const CPosLandmark& aLandmark );

         /** Unpacks a landmark object, packed with @ref PackL method, from buffer.

          *

          *  All the data is preserved when packing, and restored exactly

          *  when unpacking. It means that landmark ID and

          *  category IDs are valid only for the database, this landmark was read from.

          *

          *  @param aBuffer The buffer containing landmark.

          *  @return The landmark unpacked. Ownership is transferred to client.

          *  @leave KErrCorrupt if buffer does not contain valid landmark package.

          */

         IMPORT_C static CPosLandmark* UnpackL( const TDesC8& aBuffer );

     };

 #endif // __EPOS_POSLANDMARKSERIALIZATION_H