/*

* Copyright (c) 2007-2009 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 "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: 

* Class declaration for the User Prompt Service policy cache.

*

*/

/**

 @file

 @internalComponent

 @released 

*/

#ifndef POLICYCACHE_H

#define POLICYCACHE_H

#include <e32base.h>

#include <e32cmn.h>

#include <f32file.h>

#include "policylist.h"

#include "serviceconfig.h"

namespace UserPromptService

	{

	class CPolicy;

	class CPromptRequest;

	/**

	Maintains an in memory cache of User Prompt Service policies.	

	- Policy files are loaded lazily when MatchL is called..

	*/	

	NONSHARABLE_CLASS(CPolicyCache) : public CBase

		{

	public:

		IMPORT_C static CPolicyCache* NewL(RFs& aFs, const TDesC& aPolicyPath);

		IMPORT_C const CPolicy* MatchL(const CPromptRequest& aRequest);

		IMPORT_C void ServiceConfigL(const TSecureId& aServerSid, RArray<TServiceConfig>& aConfig);

		~CPolicyCache();

	private:

		CPolicyCache(RFs& aFs);

		void ConstructL(const TDesC& aPolicyPath);

		CPolicyList* ParseListL(const CPolicyList::TId& aId, const TDesC& aPolicyFileName);

		CPolicyList* LoadPolicyListL(const CPolicyList::TId& aId);

		void LocatePolicyFileL(TDes& aPolicyFileName, const CPolicyList::TId& aId);

		TBool FileExistsL(const TDesC& aFileName);

		const CPolicyList* PolicyList(const CPolicyList::TId& aId) const;

		void FindServicesL(const TSecureId& aServerSid, RArray<TUint>& aServices);

		RPointerArray<CPolicyList> iPolicyLists;

		HBufC* iPolicyPath;

		RFs iFs;

		TChar iSystemDriveChar;

		};

	}

#endif // POLICYCACHE_H