/*

* Copyright (c) 2004-2009 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 "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: 

* Definition of the Swi::Sis::CFileData

*

*/

/**

 @file 

 @released

 @internalTechnology

*/

#ifndef __SISFILEDATA_H__

#define __SISFILEDATA_H__

#include "sisfield.h"

namespace Swi

{

namespace Sis

 {

 class CCompressed;

/**

 * This class represents a SisFileData entity. This structure holds

 * the actual data of a file stored into a sisx package. 

 * For a full description see SGL.GT0188.251.

 *

 * @released

 * @internalTechnology

 */

class CFileData : public CField

	{

public:

	/**

	 * This creates a new CFileData object and leaves it on the cleanup stack.

	 *

	 * @param aDataProvider		 An instance of a MSisDataProvider to read the entity from.

	 * @param aTypeReadBehaviour Whether we need to check the sis type or not.

	 *

	 * @return An instance of CFileData representing the data read.

	 */

	static CFileData* NewLC(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour = EReadType);

	/**

	 * This creates a new CFileData object.

	 *

	 * @param aDataProvider		 An instance of a MSisDataProvider to read the entity from.

	 * @param aTypeReadBehaviour Whether we need to check the sis type or not.

	 *

	 * @return An instance of CFileData representing the data read.

	 */

	static CFileData* NewL(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour = EReadType);

	virtual ~CFileData();

public: // Business Methods

	/**

	 *

	 * @param aFile

	 */

	void ExtractDataFieldL(RFile& aFile);

	void ExtractDataFieldL(RFile& aFile, TInt64 aLength);

private: // Life-cycle methods

	CFileData();

	/**

	 * The second-phase constructor.

	 *

	 * @param aDataProvider		 An instance of a MSisDataProvider to read the entity from.

	 * @param aTypeReadBehaviour Whether we need to check the sis type or not.

	 *

	 */

	void ConstructL(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour);

private:

	CCompressed* iCompressedFile;	

	};

 } // namespace Sis

} // namespace Swi

#endif // __SISFILEDATA_H__