realtimenetprots/sipfw/SIP/Codec/api/sipcontactheader.h
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     1 /*
       
     2 * Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:
       
    15 * Name        : sipcontactheader.h
       
    16 * Part of     : SIP Codec
       
    17 * Interface   : SDK API, SIP Codec API
       
    18 * Version     : SIP/4.0 
       
    19 *
       
    20 */
       
    21 
       
    22 
       
    23 
       
    24 
       
    25 #ifndef CSIPCONTACTHEADER_H
       
    26 #define CSIPCONTACTHEADER_H
       
    27 
       
    28 //  INCLUDES
       
    29 #include "sipparameterheaderbase.h"
       
    30 
       
    31 // FORWARD DECLARATIONS
       
    32 class CSIPAddress;
       
    33 class CSIPContactHeaderParams;
       
    34 
       
    35 // CLASS DECLARATION
       
    36 /**
       
    37 * @publishedAll
       
    38 * @released
       
    39 *
       
    40 * Class provides functions for setting and getting SIP "Contact"
       
    41 * header fields.
       
    42 *
       
    43 *  @lib sipcodec.lib
       
    44 */
       
    45 class CSIPContactHeader : public CSIPParameterHeaderBase
       
    46 	{
       
    47 	public: // Constructors and destructor
       
    48 
       
    49 		/**
       
    50 		* Constructs a CSIPContactHeader from textual representation 
       
    51 		* of the header's value part.
       
    52 		* Note that "Contact: *" can be only created using this function.
       
    53 		* @param aValue a value part of a "Contact"-header
       
    54 		* @return an array containing 1..n instances of CSIPContactHeader
       
    55 		*/
       
    56 		IMPORT_C static RPointerArray<CSIPContactHeader> 
       
    57 			DecodeL(const TDesC8& aValue);
       
    58 
       
    59 		/**
       
    60 		* Creates a new instance of CSIPContactHeader
       
    61 		* @pre aSIPAddress != 0
       
    62 		* @param aSIPAddress a name-address, the ownership is transferred 
       
    63 		* @return a new instance of CSIPContactHeader
       
    64 		*/
       
    65 		IMPORT_C static CSIPContactHeader* NewL(CSIPAddress* aSIPAddress);
       
    66 
       
    67 		/**
       
    68 		* Creates a new instance of CSIPContactHeader and puts it to CleanupStack
       
    69 		* @pre aSIPAddress != 0
       
    70 		* @param aSIPAddress a name-address, the ownership is transferred 
       
    71 		* @return a new instance of CSIPContactHeader
       
    72 		*/
       
    73 		IMPORT_C static CSIPContactHeader* NewLC(CSIPAddress* aSIPAddress);
       
    74 
       
    75 		/**
       
    76 		* Destructor, deletes the resources of CSIPContactHeader.
       
    77 		*/
       
    78 		IMPORT_C ~CSIPContactHeader();
       
    79 
       
    80 	
       
    81 	public: // New functions
       
    82 
       
    83 		/**
       
    84 		* Compares this object to another instance of CSIPContactHeader
       
    85 		* @param aHeader a CSIPContactHeader header to compare to
       
    86 		* @return ETrue if the objects are equal otherwise EFalse
       
    87 		*/
       
    88 		IMPORT_C TBool operator==(const CSIPContactHeader& aHeader) const;
       
    89 
       
    90 		/**
       
    91 		* Checks if the address is set to a STAR ("*")
       
    92 		* @return ETrue, if the address is a "*" otherwise EFalse
       
    93 		*/
       
    94 		IMPORT_C TBool Star() const;
       
    95 
       
    96 		/**
       
    97 		* Gets the value of the "expires"-parameter
       
    98 		* @return the "expires"-parameter, or 
       
    99 		*         KErrNotFound if the parameter is not present.
       
   100 		*/
       
   101 		IMPORT_C TInt ExpiresParameter() const;
       
   102 
       
   103 		/**
       
   104 		* Sets the "expires"-parameter
       
   105 		* @pre aExpiresParam >= 0
       
   106 		* @param aExpiresParam a "expires"-parameter value to set
       
   107 		*/
       
   108 		IMPORT_C void SetExpiresParameterL(TInt aExpiresParam);
       
   109 
       
   110 		/**
       
   111 		* Gets the value of "q"-parameter
       
   112 		* @pre Star() == EFalse
       
   113 		* @return the "q"-parameter value, 
       
   114 		*         or zero if the parameter is not present.
       
   115 		*/
       
   116 		IMPORT_C TReal QParameter() const;
       
   117 
       
   118 		/**
       
   119 		* Sets the "q"-parameter value in the "Contact" header
       
   120 		* @pre Star() == EFalse
       
   121 		* @param aQValue a "q"-parameter value to set
       
   122 		*/
       
   123 		IMPORT_C void SetQParameterL(TReal aQValue);
       
   124 
       
   125 		/**
       
   126 		* Gets the name-address as const
       
   127 		* @return name-address or 0 if not present
       
   128 		*         The ownership is NOT transferred.
       
   129 		*/
       
   130 		IMPORT_C const CSIPAddress* SIPAddress() const;
       
   131 
       
   132 		/**
       
   133 		* Gets the name-address
       
   134 		* @return name-address or 0 if not present
       
   135 		*         The ownership is NOT transferred.
       
   136 		*/
       
   137 		IMPORT_C CSIPAddress* SIPAddress();
       
   138 
       
   139 		/**
       
   140 		* Sets the name-address
       
   141 		* @pre Star() == EFalse
       
   142 		* @pre aSIPAddress != 0
       
   143 		* @param aSIPAddress a name-address to set, the ownership is transferred
       
   144 		*/
       
   145 		IMPORT_C void SetSIPAddressL(CSIPAddress* aSIPAddress);
       
   146 
       
   147 		/**
       
   148 		* Constructs an instance of a CSIPContactHeader from a RReadStream
       
   149 		* @param aReadStream a stream containing the value of the
       
   150 		*        externalized object (header name not included). 
       
   151 		* @return an instance of a CSIPContactHeader
       
   152 		*/
       
   153 		IMPORT_C static CSIPHeaderBase* 
       
   154 			InternalizeValueL(RReadStream& aReadStream);
       
   155 
       
   156 	public: // From CSIPHeaderBase
       
   157 		
       
   158 		/**
       
   159 		* From CSIPHeaderBase CloneL
       
   160 		*/
       
   161 		IMPORT_C CSIPHeaderBase* CloneL() const;
       
   162 
       
   163 		/**
       
   164 		* From CSIPHeaderBase Name
       
   165 		*/
       
   166 		IMPORT_C RStringF Name() const;
       
   167 		
       
   168 	public: //New Function
       
   169 		
       
   170 		/**
       
   171 		* Removes the "expires"-parameter
       
   172 		*/
       
   173 		IMPORT_C void RemoveExpiresParam();
       
   174 
       
   175 
       
   176 	public: // From CSIPHeaderBase, for internal use
       
   177 
       
   178         /**
       
   179         * @internalComponent
       
   180         */
       
   181 		TBool MoreThanOneAllowed() const;
       
   182 		
       
   183         /**
       
   184         * @internalComponent
       
   185         */		
       
   186 		TBool HasCompactName() const;
       
   187 		
       
   188         /**
       
   189         * @internalComponent
       
   190         */		
       
   191 		RStringF CompactName() const;
       
   192 		
       
   193         /**
       
   194         * @internalComponent
       
   195         */		
       
   196 		TPreferredPlace PreferredPlaceInMessage() const;
       
   197 
       
   198 	public: // New functions, for internal use
       
   199 
       
   200 		static RPointerArray<CSIPHeaderBase> BaseDecodeL(const TDesC8& aValue);
       
   201 
       
   202 	private: // From CSIPHeaderBase
       
   203 
       
   204 		void ExternalizeValueL(RWriteStream& aWriteStream) const;
       
   205 
       
   206 	private: // From CSIPParameterHeaderBase
       
   207 
       
   208 		TBool ParamInsertionAllowed() const;
       
   209 		HBufC8* ToTextMandatoryPartLC() const;
       
   210 		void ParseMandatoryPartL(const TDesC8& aMandatoryPart);
       
   211 		const CSIPParamContainerBase& Params() const;
       
   212 		CSIPParamContainerBase& Params();
       
   213 
       
   214 	private: // Constructors
       
   215 
       
   216 		CSIPContactHeader(TBool aIsStar=EFalse);
       
   217 		void ConstructL();
       
   218 		void ConstructL(CSIPAddress* aSIPAddress);
       
   219 		void ConstructL(const CSIPContactHeader& aContactHeader);
       
   220 
       
   221 	private: // New functions 
       
   222 
       
   223 		void DoInternalizeValueL(RReadStream& aReadStream);
       
   224 
       
   225 	private: // Data
       
   226 
       
   227 		CSIPAddress* iSIPAddress;
       
   228 		CSIPContactHeaderParams* iParams;
       
   229 		TBool iIsStar;
       
   230 
       
   231 	private: // For testing purposes
       
   232 #ifdef CPPUNIT_TEST	
       
   233 		friend class CSIPContactHeaderTest;
       
   234 #endif
       
   235 	};
       
   236 
       
   237 #endif // CSIPCONTACTHEADER_H
       
   238 
       
   239 // End of File