/*

* Copyright (c) 2007-2009 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        : extensiondescrparam.h

* Part of     : SIP Profile

* Interface   : private

* Version     : 1.0

*

*/

/**

 @internalComponent

*/

#ifndef CEXTENSIONDESCRPARAM_H

#define CEXTENSIONDESCRPARAM_H

// INCLUDES

#include <e32base.h>

#include <s32strm.h>

// FORWARD DECLARATIONS

// CLASS DECLARATION

/**

* This class represents an extension parameter whose value is a descriptor.

*/

NONSHARABLE_CLASS(CExtensionDescrParam) : public CBase

	{

	public: // Constructors and destructor

		/**

		* Constructor

		*/

		static CExtensionDescrParam* NewLC(TUint32 aID, const TDesC8& aValue);

		~CExtensionDescrParam();

    public: // New functions

		/**

		* De-serialize parameter from stream

		* @param aReadStream stream where data is read from

		*/

		static CExtensionDescrParam* InternalizeL(RReadStream& aReadStream);

		/**

		* Serialize parameter to stream

		* @param aWriteStream stream where parameter is to be serialized		

		*/

		void ExternalizeL(RWriteStream& aWriteStream) const;

		TUint ExternalizedSizeL() const;

		/** 

		 * Compare two parameters

		 * @param aParameter parameter to compare to

		 * @return ETrue if parameters are equal

		 */

		TBool operator==(const CExtensionDescrParam& aParam) const;

		TUint32 ID() const;

		const TDesC8& Value() const;

	private: // Constructors

		CExtensionDescrParam(TUint32 aID);		

		void ConstructL(const TDesC8& aValue);

    private: // Data

		TUint32 iID;

		HBufC8* iValue; // owned

    private: // For testing purposes

        #ifdef CPPUNIT_TEST

		    friend class CExtensionDescrParamTest;    

        #endif

	};

#endif // CEXTENSIONDESCRPARAM_H