/*

* 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:  

*

*/

#ifndef C_NCDSTORAGEFILEDATAITEM_H

#define C_NCDSTORAGEFILEDATAITEM_H

#include <e32base.h>

#include "ncdstoragedataitem.h"

class RFile;

class RFs;

/**

 *  Externalizes the given file to the database storage

 *  @ Consider adding an observer for errors

 */

class CNcdStorageFileDataItem : public CBase, public MNcdStorageDataItem

    {

public:

    /**

     * Creates a new file data item

     *

     * @param aFilename Path to the file that is written to the database

     * during ExternalizeL()

     * @return A new file data item

     * @throw KErrArgument If the filename is empty

     */        

    static CNcdStorageFileDataItem* NewL( const TDesC& aFilename, RFs& aFs );

    /**

     * Creates a new file data item

     *

     * @param aFilename Path to the file that is written to the database

     * during ExternalizeL()

     * @return A new file data item

     * @throw KErrArgument If the filename is empty     

     */        

    static CNcdStorageFileDataItem* NewLC( const TDesC& aFilename, RFs& aFs );

    virtual ~CNcdStorageFileDataItem();

public: // from MNcdStorageDataItem

    /**

     * Externalizes the file to the database

     *

     * @param aStream Write stream

     */

    void ExternalizeL( RWriteStream& aStream );

    /**

     * Not supported. Use MNcdStorageItem::GetDataL() instead

     * 

     * @throw KErrNotSupported

     */

    void InternalizeL( RReadStream& aStream );

private:

    CNcdStorageFileDataItem( RFs& aFs );

    void ConstructL( const TDesC& aFilename );

private: // data

    RFs& iFs;

    RBuf iFilename;

    };

#endif // C_NCDSTORAGEFILEDATAITEM_H