/*

 * 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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

 * which accompanies this distribution, and is available

 * at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:  PosLmCategorySerialization class definition

 *

 */

 #ifndef __EPOS_POSCATEGORYSERIALIZATION_H_

 #define __EPOS_POSCATEGORYSERIALIZATION_H_

 #include <e32base.h>

 class CPosLandmarkCategory;

 /**

  *  This class contains helper methods for landmark category serialization.

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

  *  back with UnpackL method.

  *

  *  @lib eposlandmarks.lib

  *  @since S60 3.1

  */

 class PosLmCategorySerialization

     {

     public:

         /** Packs category object into a buffer.

          *

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

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

          *

          *  @param aCategory The category to be packed.

          *  @return The buffer with the category data packed.

          *          Ownership is transferred to the client.

          */

         IMPORT_C static HBufC8* PackL( const CPosLandmarkCategory& aCategory );

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

          *

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

          *  when unpacking. It means that category ID is valid only for the database,

          *  this category was read from.

          *

          *  @param aBuffer The buffer containing category.

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

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

          */

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

     };

 #endif // __EPOS_POSCATEGORYSERIALIZATION_H_