/*

* 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 "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

* which accompanies this distribution, and is available

* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

* Name          : sipcallidheader.h

* Part of       : SIP Codec

* Version       : SIP/4.0 

*

*/

#ifndef CSIPCALLIDHEADER_H

#define CSIPCALLIDHEADER_H

//  INCLUDES

#include "sipheaderbase.h"

#include "_sipcodecdefs.h"

// CLASS DECLARATION

/**

* @publishedAll

* @released

*

* Class for a SIP Call-ID header.

*

* @lib sipcodec.lib

*/

class CSIPCallIDHeader : public CSIPHeaderBase

	{

	public:	// Constructors and destructor

		/**

		* Constructs a CSIPCallIDHeader from textual representation 

		* of the header's value part.

		* @param aValue a value part of a "Call-ID"-header (e.g. "ab2x@zb7y")

		* @returns a new instance of CSIPCallIDHeader

		*/

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

		/**

		* Destructor

		*/

		IMPORT_C ~CSIPCallIDHeader ();

	public: // New functions

		/**

		* Compares this instance to another "Call-ID" header object

		* @param aCallIDHeader a header to compare to

		* @returns ETrue if "Call-ID" headers are similar

		*/

		IMPORT_C TBool operator==(const CSIPCallIDHeader& aCallIDHeader);

		/**

		* Constructs an instance of a CSIPCallIDHeader from a RReadStream

		* @param aReadStream a stream containing the value of the

		*	     externalized object (header name not included). 

		* @return an instance of a CSIPCallIDHeader

		*/

		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;

		/**

		* From CSIPHeaderBase ToTextValueL

		*/

		IMPORT_C HBufC8* ToTextValueL() const;

	public: // From CSIPHeaderBase, for internal use

        /**

        * @internalComponent

        */	

		TBool HasCompactName() const;

        /**

        * @internalComponent

        */		

		RStringF CompactName() const;

        /**

        * @internalComponent

        */		

		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: // Constructors

		CSIPCallIDHeader();

	private: // New functions

		void ParseL(const TDesC8& aValue);

	private: // Data

		HBufC8* iCallID;

	private: // For testing purposes

		UNIT_TEST(CSIPCallIDHeaderTest)

	};

#endif // end of CSIPCALLIDHEADER_H

// End of File