/*

* Copyright (c) 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: 

* authrepository - Central Repository methods implementation

*

*/

/**

 @file 

*/

#include "authrepository.h"

#include "authserver_impl.h"

using namespace AuthServer;

CAuthRepository* CAuthRepository::NewL()

	{

	CAuthRepository* self = CAuthRepository::NewLC();

	CleanupStack::Pop(self);

	return self;

	}

CAuthRepository* CAuthRepository::NewLC()

	{

	CAuthRepository* self = new (ELeave)CAuthRepository();

	CleanupStack::PushL(self);

	self->ConstructL();

	return self;

	}

void CAuthRepository::ConstructL()

	{

	iRepository = CRepository::NewL(KUidAuthServerRepository);

	}

CAuthRepository::~CAuthRepository()

	{

	delete iRepository;

	}

/**

	Retrieves the default system wide plugin Id as defined in the 

	central repository file

	@leave	KErrArgument			If the default plugin is not

									defined in the central repository 

									file.

	@return  The retrieved Plugin Id from the repository is returned.								

 */

TPluginId CAuthRepository::DefaultPluginL() const

	{

	//Read the default plugin value from the configuration file.

	TInt defaultPlugin(0);

	User::LeaveIfError(iRepository->Get(KAuthDefaultPlugin, defaultPlugin));

	//If the default plugin is not set.

	if(defaultPlugin == 0)

		{	

		User::Leave(KErrArgument);

		}

	return defaultPlugin;

	}

/**

	Retrieves the authentication alias as defined in the authserver's 

	central repository file .

	@param	aAuthAliasList			An array to be populated with the

									authentication alias as obtained 

									from the authserver's central repository 

									file.

	@leave	KErrArgument			when the count of authentication aliases

									in authserver's central repository file is

									negative.

	@leave	KErrNotFound			when there is no authentication aliases

									defined in authserver's central repository file.

 */

 void CAuthRepository::ListAliasL(RPointerArray<HBufC>& aAuthAliasList)

	{

	TInt authStrengthAliasCount(0);

	User::LeaveIfError(iRepository->Get(EAuthAliasesCount, authStrengthAliasCount));

	// leave if the count is a negative value.

	if(authStrengthAliasCount < 0)

		User::Leave(KErrArgument);

	// leave with KErrNotFound when the count is zero.

	if(authStrengthAliasCount == 0)

		User::Leave(KErrNotFound);

	for(TInt i = 0; i < authStrengthAliasCount; ++i)

		{

		HBufC* strengthAlias = HBufC::NewLC(KMaxDescLen);

		TPtr value(strengthAlias->Des());

		User::LeaveIfError(iRepository->Get(EAuthAliases+i, value));

		aAuthAliasList.AppendL(strengthAlias);

		CleanupStack::Pop(strengthAlias);

		}

	}

 /**

 	Retrieves the authentication definition corresponding to the alias 

 	as defined in the authserver's central repository file .

 	@param	aKey					The index of the authentication alias

 									in the central repository file.

 									zero.

 	@param	aValue					The retrieved definition value for 

 									the alias.		

  */

 void CAuthRepository::GetAliasDefinitionL(TInt aKey, TDes16& aValue)

	 {

	 User::LeaveIfError(iRepository->Get(EAuthAliasesExpr+aKey, aValue));

	 }