/*

* Copyright (c) 2006-2006 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: Header declaration

*

*/

#ifndef WSSTAR_POLICY_INTERSECTER_H

#define WSSTAR_POLICY_INTERSECTER_H

#include <SenDomFragmentBase.h>

#include <RSenDocument.h>

#include <XmlEngDDocument.h>

class CSenElement;

class CWsSecurityPolicy;

/**

 * Class:   CPolicyIntersecter

 * Description: This class can intersect two polcicies provided as fileNames or TElements

 * The Intersection take care of domain specific knowledge of the assertions and can resolve it. 

 * currently only Ws-SecurityPolicy domain is supported

 */

class CPolicyIntersecter : public CBase

{

  public:

  static CPolicyIntersecter* NewL();

  static CPolicyIntersecter* NewLC();

  virtual ~CPolicyIntersecter();

  TXmlEngElement IntersectL(TDesC& aFirstPolicy, TDesC& aSecondPolicy); //filenames with absolute path

  TXmlEngElement IntersectL(TXmlEngElement aFirstPolicy, TXmlEngElement aSecondPolicy); //root elements

private:

  void ConstructL();

  CPolicyIntersecter();

  void IntersectAllANDAssertionsL(TXmlEngElement aFirstElement, 

                    TXmlEngElement aSecondElement, RArray<TXmlEngElement>& aResult);

  TXmlEngElement IntersectCompareSecondAssertionsL(TXmlEngElement aFirstElement, 

                    TXmlEngElement aSecondElement, TXmlEngElement aIntersectedAND);

  TInt VerifyNamespace(TXmlEngElement aFirstElement, TXmlEngElement aSecondElement);

private:    

   CWsSecurityPolicy* iSecurityPolicyDomain;

   TXmlEngElement   irootAND;

   TXmlEngElement  iIntersectedPolicyElement;

   RXmlEngDocument iPolicy1; 

   RXmlEngDocument iPolicy2;

//   TString XORString;

//   TString ANDString;

//   TString policyNsUri;

};

#endif //WSSTAR_POLICY_INTERSECTER_H