/*

* 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        : sipallowheader.h

* Part of     : SIP Codec

* Interface   : SDK API, SIP Codec API

* Version     : SIP/4.0 

*

*/

#ifndef CSIPALLOWHEADER_H

#define CSIPALLOWHEADER_H

//  INCLUDES

#include "siptokenheaderbase.h"

// CLASS DECLARATION

/**

* @publishedAll

* @released

*

* Class provides functions for setting and getting parameters 

* in SIP "Allow" header.

*

*  @lib sipcodec.lib

*/

class CSIPAllowHeader : public CSIPTokenHeaderBase

	{

	public:	// Constructors and destructor

		/**

		* Constructs a CSIPAllowHeader from textual representation 

		* of the header's value part.

		* @param aValue a value part of a "Allow"-header

		* @return an array containing one to many instances of CSIPAllowHeader

		*/

		IMPORT_C static RPointerArray<CSIPAllowHeader> 

			DecodeL(const TDesC8& aValue);

		/**

		* Creates a new instance of CSIPAllowHeader

		* @param aValue a value 

		* @return a new instance of CSIPAllowHeader

		*/

		IMPORT_C static CSIPAllowHeader* NewL(RStringF aValue);

		/**

		* Creates a new instance of CSIPAllowHeader and puts it to CleanupStack

		* @param aValue a value   

		* @return a new instance of CSIPAllowHeader

		*/

		IMPORT_C static CSIPAllowHeader* NewLC(RStringF aValue);

		/**

		* Destructor, deletes the resources of CSIPAllowHeader.

		*/

		IMPORT_C ~CSIPAllowHeader();

	public: // New functions

		/**

		* Constructs an instance of a CSIPAllowHeader from a RReadStream

		* @param aReadStream a stream containing the value of the

		*        externalized object (header name not included). 

		* @return an instance of a CSIPAllowHeader

		*/

		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

        /**

        * @internalComponent

        */

		TPreferredPlace PreferredPlaceInMessage() const;

	public: // New functions, for internal use

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

	private: // Constructors

		CSIPAllowHeader();

		CSIPAllowHeader(const CSIPAllowHeader& aHeader);

	};

#endif // CSIPALLOWHEADER_H

// End of File