/*

* Copyright (c) 2005-2009 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          : CSipHeaderStrategyBase.h

* Part of       : SIP Client Resolver

* Version       : 1.0

*

*/

/**

 @internalComponent

*/

#ifndef CSIPHEADERSTRATEGYBASE_H

#define CSIPHEADERSTRATEGYBASE_H

#include <e32base.h>

#include <stringpool.h>

#include "_sipcodecdefs.h"

class CSIPResponse;

class CSIPRequest;

class MSipClients;

class MSipClient;

class CSIPContentTypeHeader;

class CSIPResolvedClient2;

class CSIPClientResolver2;

class CUri8;

class CSipHeaderStrategyBase : public CBase

    {

    public:

        virtual ~CSipHeaderStrategyBase();

        virtual CSIPResponse* ApplyL( CSIPRequest& aRequest, 

                                      RArray<TUid>& aUids,

                                      TBool& aContinueSearch,

                                      CSIPClientResolver2& 

                                      				aClientResolver2 ) = 0;

        TBool MatchL( CSIPResolvedClient2& aClient,CSIPRequest& aRequest,

    						 TUid& aUid );

    	CUri8* ConvertRequestUriL( CSIPRequest& aRequest );

    protected:

	    CSipHeaderStrategyBase(MSipClients& aSipClients,

	                           CSipHeaderStrategyBase* aNextStrategy,

    						   CSipHeaderStrategyBase* aNextStrategy2);

        CSIPResponse* MatchClientsL(CSIPRequest& aRequest,

                                         RArray<TUid>& aUids);

        CSIPResponse* MatchClients2L(

        							CSIPRequest& aRequest,

                                    RArray<TUid>& aUids,

    								TBool& aContinueSearch,

    								CSIPClientResolver2& aClientResolver2 );

        CSIPResponse* NextStrategyL(CSIPRequest& aRequest, 

    								RArray<TUid>& aUids,

    								TBool& aContinueSearch,

    								CSIPClientResolver2& aClientResolver2 );

    	CSIPResponse* NextStrategy2L( CSIPRequest& aRequest, 

    								  RArray<TUid>& aUids,

    								  TBool& aContinueSearch,

    								  CSIPClientResolver2& aClientResolver2 );

		CSIPResponse* NoMatchL( CSIPRequest& aRequest, 

    							RArray<TUid>& aUids,

    							TBool& aContinueSearch,

    							CSIPClientResolver2& aClientResolver2 );

    protected:

    	virtual CSIPResponse* MoreThanOneMatchL(CSIPRequest& aRequest, 

    								RArray<TUid>& aUids,

    								TBool& aContinueSearch,

    								CSIPClientResolver2& aClientResolver2 );

    	virtual TBool MatchResolvedClientL( CSIPResolvedClient2& aClient,

    								CSIPRequest& aRequest,

    								TUid& aClientUid,

    								const CUri8& aUri8 );

        virtual void EliminateClientsL(CSIPRequest& aRequest,

                                            RArray<TUid>& aUids);

        virtual TBool CompareHeaders(CSIPRequest& aRequest,

                                     MSipClient& aClient);

        virtual CSIPResponse* CreateResponseL();

        /**

        * @return 0 if the ContentType header was not found,

        *          otherwise the header. The ownership is NOT transferred.

        */

        virtual CSIPContentTypeHeader* ContentType(CSIPRequest& aRequest);

    protected: // Data

        MSipClients& iSipClients;

        CSipHeaderStrategyBase* iNextStrategy; // Not owned

        CSipHeaderStrategyBase* iNextStrategy2; // Not owned

    };

#endif // CSIPHEADERSTRATEGYBASE_H

// End of File