/*

* Copyright (c) 2007 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:  XML file handler for DM-settings

*

*/

// INCLUDE FILES

#include <f32file.h>

#include <commdb.h>

#include <nsmldebug.h>

#include <featmgr.h>

#include "DMprofileContentHandler.h"

#include "nsmldmsettings.h"

#define DES_AS_8_BIT(str) (TPtrC8((TText8*)((str).Ptr()), (str).Size()))

// ============================ MEMBER FUNCTIONS ===============================

CDMProfileContentHandler::CDMProfileContentHandler()

	{

	}

// -----------------------------------------------------------------------------

// CDMProfileContentHandler::ConstructL

// Symbian 2nd phase constructor can leave.

// -----------------------------------------------------------------------------

//

void CDMProfileContentHandler::ConstructL(CNSmlDMSettings* aSettings)

    {

	iSettings = aSettings;

	iProfileArray = new (ELeave) CArrayPtrFlat<CNSmlDMResourceProfile> (3);	

	// init feature manager

	FeatureManager::InitializeLibL();

    }

// -----------------------------------------------------------------------------

// CDMProfileContentHandler::NewL

// Two-phased constructor.

// -----------------------------------------------------------------------------

//

CDMProfileContentHandler* CDMProfileContentHandler::NewL(CNSmlDMSettings* aSettings )

    {

		CDMProfileContentHandler* self = new( ELeave ) CDMProfileContentHandler;

		CleanupStack::PushL( self );

		self->ConstructL(aSettings);

		CleanupStack::Pop();

		return self;

    }

// Destructor

CDMProfileContentHandler::~CDMProfileContentHandler()

    {	

	if(iProfileArray)

		{

		iProfileArray->ResetAndDestroy();

		delete iProfileArray;			

		}

	// uninitialize feature manager

	FeatureManager::UnInitializeLib();

    }

// ----------------------------------------------------------

// void CDMProfileContentHandler::RemoveDuplicateEntry()

// Remove all the duplicate entries and the entries do not have

// the values for the mandatory fields.

// ----------------------------------------------------------

void CDMProfileContentHandler::RemoveDuplicateEntry()

{

	_DBG_FILE("CDMProfileContentHandler::RemoveDuplicateEntry(): begin");

	TInt count = iProfileArray->Count();

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

	{

		if(!(iProfileArray->At(i)->iServerId &&

		    iProfileArray->At(i)->iUserName &&

		    iProfileArray->At(i)->iServerURL ))

		{

				iProfileArray->Delete(i);

				iProfileArray->Compress();				

				i--;

				count--;

		}

	}

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

	{

		for(TInt j = i+1; j <count; j++)

		{

			if((iProfileArray->At(i)->iServerId->Des().Compare(iProfileArray->At(j)->iServerId->Des()) == 0) &&

			(iProfileArray->At(i)->iServerId->Length() == iProfileArray->At(j)->iServerId->Length()))

			{		

				iProfileArray->Delete(j);

				iProfileArray->Compress();

				j--;

				count--;

			}

		}

	}

	_DBG_FILE("CDMProfileContentHandler::RemoveDuplicateEntry(): end");

}

// ----------------------------------------------------------

// void CDMProfileContentHandler::RemoveRSCEntryL()

// ----------------------------------------------------------

void CDMProfileContentHandler::RemoveRSCEntryL()

{

	_DBG_FILE("CDMProfileContentHandler::RemoveRSCEntryL(): begin");

	TInt count = iProfileArray->Count();

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

	{

		if((iSettings->ServerIdFoundL(iProfileArray->At(i)->iServerId->Des())) ||

		((! FeatureManager::FeatureSupported ( KFeatureIdSyncMlDmObex )) &&( iProfileArray->At(i)->iTransportId == KNSmlDmBluetoothType)))

		{

			iProfileArray->Delete(i);

			iProfileArray->Compress();

			i--;

			count--;			

		}				

	}

	_DBG_FILE("CDMProfileContentHandler::RemoveRSCEntryL(): end");

}

// ----------------------------------------------------------

// void CDMProfileContentHandler::GetAccessPointIdL()

// ----------------------------------------------------------

TBool CDMProfileContentHandler::GetAccessPointIdL(TInt count,TInt &iapId)

{

	_DBG_FILE("CDMProfileContentHandler::GetAccessPointIdL(): begin");

	CCommsDatabase *database = CCommsDatabase::NewL();

    TUint32 id;

    TBool ret = EFalse; 

    CleanupStack::PushL(database);

    CCommsDbTableView*  checkView;

    checkView = database->OpenViewMatchingTextLC(TPtrC(IAP),TPtrC(COMMDB_NAME), iProfileArray->At(count)->iAccessPoint->Des());

    TInt error = checkView->GotoFirstRecord();

    if (error == KErrNone)

    {     

     //Get the IAP ID 

     checkView->ReadUintL(TPtrC(COMMDB_ID), id);

     iapId = id; 

     ret = ETrue;     

    }

    CleanupStack::PopAndDestroy(2);

    _DBG_FILE("CDMProfileContentHandler::GetAccessPointIdL(): end");

    return ret;

}

// ----------------------------------------------------------

// void CDMProfileContentHandler::SaveProfilesL()

// save the profiles into db.

// First it will remove the duplicate entry from iProfileArray itself and also remove

// the entries present in the RSC if any.

// ----------------------------------------------------------

void CDMProfileContentHandler::SaveProfilesL()

{

	_DBG_FILE("CDMProfileContentHandler::SaveProfilesL(): begin");

	RemoveDuplicateEntry();

	RemoveRSCEntryL();

	TInt iapId = 0;

	for ( TInt i = 0; i < iProfileArray->Count(); i++ )

	{

		if(iProfileArray->At(i)->iAccessPoint)

		{

			if(GetAccessPointIdL(i, iapId))

			{

				iProfileArray->At(i)->iIapId = iapId;

			}

			else

			{

			iapId = KErrGeneral;

			TLex id(iProfileArray->At(i)->iAccessPoint->Des());

			id.Val(iapId);

			if( iapId == KErrGeneral || iapId == KErrNotFound )

			    {

			    iProfileArray->At(i)->iIapId = iapId;

			    }

			}

		}

		if(! iProfileArray->At(i)->iProfileDisplayName)

		{

			TBuf<KNSmlDmProfileNameMaxLength> defaultProfile;

			defaultProfile.Format( KNSmlDMDefaultProfile );

			iProfileArray->At(i)->iProfileDisplayName = defaultProfile.AllocL();

		}	

		CNSmlDMProfile* profile = iSettings->CreateProfileL();

		CleanupStack::PushL( profile );

		iProfileArray->At(i)->SaveProfileL( profile );

		profile->SaveL();

		CleanupStack::PopAndDestroy(); // profile

	}

	_DBG_FILE("CDMProfileContentHandler::SaveProfilesL(): end");

}

// -----------------------------------------------------------------------------

//  CDMProfileContentHandler::IsChar

//	Returns true value for other than numerical character.

// -----------------------------------------------------------------------------

TBool CDMProfileContentHandler::IsChar( const TUint8 aChar )

{

	TBool ret(ETrue);

	switch(aChar)

	{

		case '0':

		case '1':

		case '2':

		case '3':

		case '4':

		case '5':

		case '6':

		case '7':

		case '8':

		case '9':

		{

			ret = EFalse;

			break;

		}

		default: ret = ETrue;		

	}

	return ret;    

}

TInt CDMProfileContentHandler::StartDocument()

   {	

		TInt error = KNSmlDmSettingsSuccess;

		iFile.Close();

		iSession.Close();

		error = iSession.Connect();

		error =iFile.Replace(iSession, iFilename, EFileWrite);

		return error;

   }

TInt CDMProfileContentHandler::EndDocument()

{

		iFile.Close();

		iSession.Close();

		return KNSmlDmSettingsSuccess;

}

// ----------------------------------------------------------

// void CDMProfileContentHandler::AddProfileL()

// Appends a new profile to the array.

// ----------------------------------------------------------

void CDMProfileContentHandler::AddProfileL( )

{

	_DBG_FILE("CDMProfileContentHandler::AddProfileL(): begin");

	CNSmlDMResourceProfile* profile = CNSmlDMResourceProfile::NewLC();

	iProfileArray->AppendL( profile );

	CleanupStack::Pop();

	_DBG_FILE("CDMProfileContentHandler::AddProfileL(): end");		

}

TInt CDMProfileContentHandler::StartElement(TDesC& /* aURI */, TDesC& /* aLocalName */, TDesC& aName, MXMLAttributes * /* aAttributeList*/)

{	

		if (! aName.Compare(KNSmlDMXmlFactorySettings()))

		{

			TRAPD(leavecode, AddProfileL());

			if(leavecode != KErrNone )

			{

				return KNSmlDmSettingsFail;

			}						

			iDMAccountInProgress = ETrue;

			iCounter++;

		}

		if (!iDMAccountInProgress)

			return KNSmlDmSettingsSuccess;

		if (! aName.Compare(KNSmlDMXmlProfileName()))

		{

			iState = EProfileName;			

		}	

		else if (! aName.Compare(KNSmlDMXmlServerId()))

		{

			iState = EServerID;			

		}

		else if (! aName.Compare(KNSmlDMXmlProfileServerPassword()))

		{

			iState = EServerPassword;

		}

		else if (! aName.Compare(KNSmlDMXmlProfileUsername()))

		{

			iState = EUserName;

		}

		else if (! aName.Compare(KNSmlDMXmlProfileClientPassword()))

		{

			iState = EClientPwd;

		}

		else if (! aName.Compare(KNSmlDMXmlProfileServerUrl()))

		{

			iState = EServerURL;

		}

		else if (! aName.Compare(KNSmlDMXmlProfileTransportId()))

		{

			iState = ETransportID;

		}

		else if (! aName.Compare(KNSmlDMXmlProfileAP()))

		{

			iState = EAccessPoint;

		}

		else if (! aName.Compare(KNSmlDMXmlProfileServerAlertedAction()))

		{

			iState = EServerAlertedAction;

		}

		else if (! aName.Compare(KNSmlDMXmlProfileAuthentication()))

		{

			iState = EAuthentication;

		}

		else if (! aName.Compare(KNSmlDMXmlProfileDeleteAllowed()))

		{

			iState = EDeleteAllowed;

		}

		else if (! aName.Compare(KNSmlDMXmlProfileView()))

		{

			iState = EProfileView;

		}

		else if (! aName.Compare(KNSmlDMXmlProfileNetworkAuthentication()))

		{

			iState = ENetworkAuthentication;

		}

		else if (! aName.Compare(KNSmlDMXmlProfileHttpAuthUsername()))

		{

			iState = EHTTPUserName;

		}

		else if (! aName.Compare(KNSmlDMXmlProfileHttpAuthPassword()))

		{

			iState = EHTTPPwd;

		}				

		else if (! aName.Compare(KNSmlDMXmlProfileLock()))

		{

			iState = EProfileLock;

		}

		return KNSmlDmSettingsSuccess;

}

TInt CDMProfileContentHandler::EndElement(TDesC& /* aURI */, TDesC& /* aLocalName */, TDesC& aName)

{

		if (!iDMAccountInProgress)

			return KNSmlDmSettingsSuccess;

		if (! aName.Compare(KNSmlDMXmlFactorySettings()))

		{

	    	iDMAccountInProgress = EFalse;

		}

		if (iState != EStateHandled)

		{				

			iState = EStateHandled;   //Assume that empty feild. No need to set.

		}		

		return KNSmlDmSettingsSuccess;

}

TInt CDMProfileContentHandler::StartCDATA()

{

	// do nothing

	return KNSmlDmSettingsSuccess;

}

TInt CDMProfileContentHandler::EndCDATA()

{

	// do nothing

	return KNSmlDmSettingsSuccess;

}

// ----------------------------------------------------------

// void CDMProfileContentHandler::AddProfileElementL()

// Assigns profile element value.

// ----------------------------------------------------------

void CDMProfileContentHandler::AddProfileElementL(TDesC& aBuf)

{

	_DBG_FILE("CDMProfileContentHandler::AddProfileElementL(): begin");

	if(iState == EProfileName)

	{

		if(aBuf.Length() > KNSmlDmProfileNameMaxLength)

		{

			TPtrC buf = aBuf.Left(KNSmlDmProfileNameMaxLength);

			iProfileArray->At(iCounter-1)->iProfileDisplayName = buf.AllocL();

		}

		else		

			iProfileArray->At(iCounter-1)->iProfileDisplayName = aBuf.AllocL();		

		iState = EStateHandled;		

	}

	else if(iState == EServerID)

	{

		iProfileArray->At(iCounter-1)->iServerId = aBuf.AllocL();		

		iState = EStateHandled;		

	}

	else if(iState == EServerPassword)

	{		

		iProfileArray->At(iCounter-1)->iPassWord = aBuf.AllocL();

		iState = EStateHandled;		

	}

	else if(iState == EUserName)

	{		

		iProfileArray->At(iCounter-1)->iUserName = aBuf.AllocL();

		iState = EStateHandled;		

	}

	else if(iState == EClientPwd)

	{		

		iProfileArray->At(iCounter-1)->iClientPassword = aBuf.AllocL();

		iState = EStateHandled;		

	}

	else if(iState == EServerURL)

	{		

		TInt len = aBuf.Length();

		TInt locate(0);

		if( aBuf.Find( KNSmlDMSettingsHTTP )==0 )//http:

		{

			locate = KNSmlDMSettingsHTTP().Length();

		}

		else if( aBuf.Find( KNSmlDMSettingsHTTPS )==0 )//https:

		{

			locate = KNSmlDMSettingsHTTPS().Length();

		}

		TPtrC buf =aBuf.Right(len-locate);

		TInt locateColon = buf.Locate(KNSmlDMColon); // ':'

		if(locateColon > 0)

		{

			TInt bufLen = buf.Length();	

			TPtrC buf1 = buf.Right(bufLen - locateColon);

			TInt digit(0);

			for( TInt i = locate + locateColon + 1; i < len; i++ )

			{			

				if (IsChar(aBuf[i]))

				{

					if(aBuf[i]!= KNSmlDMUriSeparator )

					{

						TPtrC strBuf = aBuf.Right(len - locate - locateColon);

						TInt locateSlash = strBuf.Locate(KNSmlDMUriSeparator);

						if(locateSlash > 0)

						{

							TPtrC ptrBuf1 = aBuf.Left(len-locateColon-1);

							TBuf<KNSmlDmFileNameLength> buffer;

							buffer.Append(ptrBuf1);

							TPtrC ptrBuf2 = aBuf.Right(len-locate-locateColon-locateSlash);

							buffer.Append(ptrBuf2);

							iProfileArray->At(iCounter-1)->iServerURL = buffer.AllocL();

							break;

						}

						else

						{

							TPtrC ptrBuf = aBuf.Left(locate + locateColon);

							iProfileArray->At(iCounter-1)->iServerURL = ptrBuf.AllocL();

							break;

						}

					}

					else

					{

						iProfileArray->At(iCounter-1)->iServerURL = aBuf.AllocL();

						break;

					}

				}

				if(digit>= KNSmlDmMaxPortLength) // the max length of the port number

				{

					TPtrC ptrBuf1 = aBuf.Left(locate + locateColon);

					TBuf<KNSmlDmFileNameLength> buffer;

					buffer.Append(ptrBuf1);

					TPtrC ptrBuf2 = aBuf.Right(len-i);

					TInt locateSlash = ptrBuf2.Locate(KNSmlDMUriSeparator);

					if(locateSlash > 0)

					{

						TPtrC ptrBuf3 = aBuf.Right(len-i-locateSlash);

						buffer.Append(ptrBuf3);							

					}						

					iProfileArray->At(iCounter-1)->iServerURL = buffer.AllocL();	

					break;

				}

				else if(i == (len-1))					

					iProfileArray->At(iCounter-1)->iServerURL = aBuf.AllocL();					

				digit++;			

			}		

		}

		else

		{

			iProfileArray->At(iCounter-1)->iServerURL = aBuf.AllocL();

		}

		iState = EStateHandled;		

	}

	else

	{

	AddRemainingElementsL(aBuf);	//To decrease cyclomatic complexity

	}	

	_DBG_FILE("CDMProfileContentHandler::AddProfileElementL(): end");

}