/*

* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* which accompanies this distribution, and is available

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

* Name        : sipretryafterheader.h

* Part of     : SIP Codec

* Interface   : SDK API, SIP Codec API

* Version     : SIP/4.0 

*

*/

#ifndef CSIPRETRYAFTERHEADER_H

#define CSIPRETRYAFTERHEADER_H

//  INCLUDES

#include "sipparameterheaderbase.h"

// FORWARD DECLARATIONS

class CSIPRetryAfterHeaderParams;

// CLASS DECLARATION

/**

* @publishedAll

* @released

*

* Class provides functions for setting and getting parameters in SIP 

* "Retry-After" header.

*

*  @lib sipcodec.lib

*/

class CSIPRetryAfterHeader : public CSIPParameterHeaderBase

	{

	public:	// Constructors and destructor

		/**

		* Constructs a CSIPRetryAfterHeader from textual representation 

		* of the header's value part.

		* @param aValue a value part of a "Retry-After"-header 

		*        (e.g. "18000;duration=3600")

		* @return a new instance of CSIPRetryAfterHeader   

		*/

		IMPORT_C static CSIPRetryAfterHeader* DecodeL(const TDesC8& aValue);

		/**

		* Creates a new instance of CSIPRetryAfterHeader

		* @param aRetryAfter a retry after value.

		* @return a new instance of CSIPRetryAfterHeader

		*/

        IMPORT_C static CSIPRetryAfterHeader* NewL(TUint aRetryAfter);

		/**

		* Creates a new instance of CSIPRetryAfterHeader

        * On return the new instance has left to the CleanupStack.

		* @param aRetryAfter a retry after value.

		* @return a new instance of CSIPRetryAfterHeader

		*/

        IMPORT_C static CSIPRetryAfterHeader* NewLC(TUint aRetryAfter);

        /**

		* Destructor, deletes the resources of CSIPRetryAfterHeader.

		*/

		IMPORT_C virtual ~CSIPRetryAfterHeader();

	public: // New functions

		/**

		* Sets the retry after value

		* @param aValue a new retry after value to set.

		*/

		IMPORT_C void SetRetryAfter(TUint aValue);

		/**

		* Gets the retry after value

		* @return a retry after value

		*/

		IMPORT_C TUint RetryAfter() const;

		/**

		* Gets the comment value

		* @return a comment value or KNullDesC8

		*/

		IMPORT_C const TDesC8& Comment() const;

		/**

		* Gets the value of the "duration"-parameter

		* @return the "duration"-parameter, or 

		*         KErrNotFound if the parameter is not present.

		*/

		IMPORT_C TInt DurationParam() const;

		/**

		* Sets the "duration"-parameter

		* @pre aDurationParam >= 0

		* @param aDurationParam a "duration"-parameter value to set

		*/

		IMPORT_C void SetDurationParamL(TInt aDurationParam);

        /**

		* Constructs an instance of a CSIPRetryAfterHeader from a RReadStream

		* @param aReadStream a stream containing the value of the

		*        externalized object (header name not included). 

		* @return an instance of a CSIPRetryAfterHeader

		*/

		IMPORT_C static CSIPHeaderBase* 

            InternalizeValueL(RReadStream& aReadStream);

	public: // From CSIPHeaderBase

		/**

		* From CSIPHeaderBase CloneL

		*/

		IMPORT_C CSIPHeaderBase* CloneL() const;

		/**

		* From CSIPHeaderBase Name

		*/

		IMPORT_C RStringF Name() const;

	public: // From CSIPHeaderBase, for internal use

		TPreferredPlace PreferredPlaceInMessage() const;

	public: // New functions, for internal use

		static RPointerArray<CSIPHeaderBase> BaseDecodeL(const TDesC8& aValue);

	private: // From CSIPHeaderBase

		void ExternalizeValueL(RWriteStream& aWriteStream) const;

	private: // From CSIPParameterHeaderBase

		HBufC8* ToTextMandatoryPartLC() const;

		void ParseMandatoryPartL(const TDesC8& aMandatoryPart);

		const CSIPParamContainerBase& Params() const;

		CSIPParamContainerBase& Params();

	private: // Constructors

        CSIPRetryAfterHeader();

		CSIPRetryAfterHeader(TUint aRetryAfter);

        void ConstructL();

		void ConstructL(const CSIPRetryAfterHeader& aRetryAfterHeader);

	private: // New functions

		void DoInternalizeValueL(RReadStream& aReadStream);

	private: // Data

		TUint iRetryAfter;

        HBufC8* iComment;

		CSIPRetryAfterHeaderParams* iParams;

	private: // For testing purposes

	};

#endif // end of CSIPRETRYAFTERHEADER_H

// End of File