/*

 * 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 "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:

 * Name        : sipsecurityheaderbase.h

 * Part of     : SIP Codec

 * Interface   : SDK API, SIP Codec API

 * Version     : SIP/4.0 

 *

 */

 #ifndef CSIPSECURITYHEADERBASE_H

 #define CSIPSECURITYHEADERBASE_H

 //  INCLUDES

 #include "sipparameterheaderbase.h"

 // FORWARD DECLARATIONS

 class CSIPSecurityHeaderBaseParams;

 // CLASS DECLARATION

 /**

 * @publishedAll

 * @released

 *

 * A base class for Security-Client, Security-Server and Security-Verify.

 *

 *  @lib sipcodec.lib

 */

 class CSIPSecurityHeaderBase : public CSIPParameterHeaderBase

 	{

 	public:	// Constructors and destructor

 		/**

 		* Destructor, deletes the resources of CSIPSecurityHeaderBase.

 		*/

 		IMPORT_C virtual ~CSIPSecurityHeaderBase();

 	public: // New functions

 		/**

 		* Gets the value of "q"-parameter

 		* @return the "q"-parameter value, zero if not present 

 		*/

 		IMPORT_C TReal PreferenceParam() const;

 		/**

 		* Sets the "q"-parameter value

 		* @param aPreferenceValue a "q"-parameter value to set

 		*/

 		IMPORT_C void SetPreferenceParamL(TReal aPreferenceValue);

 		/**

 		* Gets the Mechanism-Name from the Security header

 		* @return a Mechanism-Name

 		*/

 		IMPORT_C const TDesC8& MechanismName() const;

 		/**

 		* Sets the Mechanism-Name in the Security header

 		* @param aMechanismName a Mechanism-Name

 		*/

 		IMPORT_C void SetMechanismNameL(const TDesC8& aMechanismName);

 	public: // From CSIPHeaderBase, for internal use

         /**

         * @internalComponent

         */

 		TBool MoreThanOneAllowed() const;

         /**

         * @internalComponent

         */		

 		TPreferredPlace PreferredPlaceInMessage() const;

 	protected: // Constructors

 		CSIPSecurityHeaderBase();

 		void ConstructL();

 		void ConstructL(const TDesC8& aMechanismName);

 		void ConstructL(const CSIPSecurityHeaderBase& aSecurityHeaderBase);

 	protected: // New functions	

 		void DoInternalizeValueL(RReadStream& aReadStream);

 	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: // Data

 		HBufC8* iMechanismName;

 		CSIPSecurityHeaderBaseParams* iParams;

 	private: // For testing purposes

 #ifdef CPPUNIT_TEST	

 		friend class CSIPSecurityHeaderBaseTest;

 #endif

 	};

 #endif // CSIPSECURITYHEADERBASE_H

 // End of File