--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/iaupdate/IAD/engine/controller/src/iaupdatefwversionfilehandler.cpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,225 @@
+/*
+* 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 "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:  
+*
+*/
+
+
+#include <bautils.h>
+#include <s32file.h>
+#include <sysversioninfo.h>
+#include "iaupdatefwversionfilehandler.h"
+#include "iaupdatedebug.h"
+
+
+// Constants to create the file.
+_LIT( KFile, "fwversion");
+const TInt KDrive( EDriveC );
+
+    
+
+// -----------------------------------------------------------------------------
+// CIAUpdateFwVersionFileHandler::NewL
+//
+// -----------------------------------------------------------------------------
+//
+CIAUpdateFwVersionFileHandler* CIAUpdateFwVersionFileHandler::NewL()
+    {
+    CIAUpdateFwVersionFileHandler* self =
+        CIAUpdateFwVersionFileHandler::NewLC();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateFwVersionFileHandler::NewLC
+//
+// -----------------------------------------------------------------------------
+//
+CIAUpdateFwVersionFileHandler* CIAUpdateFwVersionFileHandler::NewLC()
+    {
+    CIAUpdateFwVersionFileHandler* self =
+        new( ELeave) CIAUpdateFwVersionFileHandler();
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;    
+    }
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateFwVersionFileHandler::CIAUpdateFwVersionFileHandler
+//
+// -----------------------------------------------------------------------------
+//
+CIAUpdateFwVersionFileHandler::CIAUpdateFwVersionFileHandler()
+    : iFwVersion( NULL )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CIAUpdateFwVersionFileHandler::ConstructL
+//
+// -----------------------------------------------------------------------------
+//
+void CIAUpdateFwVersionFileHandler::ConstructL()
+    {
+    User::LeaveIfError( iFsSession.Connect() );
+    User::LeaveIfError( iFsSession.SetSessionToPrivate( KDrive ) );
+    
+    User::LeaveIfError( iFsSession.SessionPath( iPath ) );
+    BaflUtils::EnsurePathExistsL( iFsSession, iPath );
+    iPath.Append( KFile );
+       
+    }
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateFwVersionFileHandler::~CIAUpdateFwVersionFileHandler
+//
+// -----------------------------------------------------------------------------
+//
+CIAUpdateFwVersionFileHandler::~CIAUpdateFwVersionFileHandler()
+    {
+    iFsSession.Close();
+    delete iFwVersion;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateFwVersionFileHandler::ReadControllerDataL
+//
+// -----------------------------------------------------------------------------
+//
+void CIAUpdateFwVersionFileHandler::ReadControllerDataL()
+    {
+    RFile file;
+    TInt err = file.Open( iFsSession, iPath, EFileRead|EFileShareAny );
+    if ( err == KErrNotFound )
+        {
+       // File did not exist. 
+        // So, nothing to do here anymore.
+        return;
+        }
+    User::LeaveIfError( err );
+    CleanupClosePushL( file );
+    
+    RFileReadStream stream( file, 0 );
+    CleanupClosePushL( stream );
+
+    InternalizeL( stream );
+
+    CleanupStack::PopAndDestroy( &stream );
+    CleanupStack::PopAndDestroy( &file );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateFwVersionFileHandler::WriteControllerDataL
+//
+// -----------------------------------------------------------------------------
+//
+void CIAUpdateFwVersionFileHandler::WriteControllerDataL()
+    {
+    RFile file;
+    User::LeaveIfError( file.Replace( iFsSession, iPath, EFileWrite|EFileShareAny ) );
+    CleanupClosePushL( file );
+    
+    RFileWriteStream stream( file, 0 );
+    CleanupClosePushL( stream );
+
+    ExternalizeL( stream );
+    
+    stream.CommitL();
+    
+    CleanupStack::PopAndDestroy( &stream );
+    CleanupStack::PopAndDestroy( &file );
+    }
+
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateFwVersionFileHandler::FwVersionL
+//
+// -----------------------------------------------------------------------------
+//
+HBufC* CIAUpdateFwVersionFileHandler::FwVersionL()
+    {
+    if ( iFwVersion )
+        {
+        delete iFwVersion;
+        iFwVersion = NULL;
+        }
+    iFwVersion = HBufC::NewL( KSysVersionInfoTextLength );
+    // Read data from the file if the file exists.
+    // Otherwise, let default values remain.
+    ReadControllerDataL(); 
+    IAUPDATE_TRACE_1("[IAUPDATE] CIAUpdateFwVersionFileHandler::FwVersionL() Stored firmware version: %S", iFwVersion );
+    return iFwVersion;
+    }
+
+
+// ----------------------------------------------------------
+// CIAUpdateFwVersionFileHandler::SetFwVersionL()
+// ----------------------------------------------------------
+void CIAUpdateFwVersionFileHandler::SetFwVersionL( const TDesC& aFwVersion )
+    {
+    IAUPDATE_TRACE_1("[IAUPDATE] CIAUpdateFwVersionFileHandler::SetFwVersionL() New firmware version: %S", &aFwVersion );
+    if ( iFwVersion )
+        {
+        delete iFwVersion;
+        iFwVersion = NULL;
+        }
+    iFwVersion = HBufC::NewL( aFwVersion.Length() );
+    TPtr fwptr = iFwVersion->Des();
+    fwptr.Copy( aFwVersion );
+    WriteControllerDataL(); 
+    }
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateFwVersionFileHandler::InternalizeL
+//
+// -----------------------------------------------------------------------------
+//
+void CIAUpdateFwVersionFileHandler::InternalizeL( RReadStream& aStream )
+    {
+    // If you make changes here, 
+       // remember to update ExternalizeL accordingly!!!
+    //read the length of fw version string
+    TInt fwlength ( aStream.ReadUint8L() );
+    
+    //read string of fw version
+    TPtr fwVer = iFwVersion->Des();
+    aStream.ReadL( fwVer, fwlength );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateFwVersionFileHandler::ExternalizeL
+//
+// -----------------------------------------------------------------------------
+//
+void CIAUpdateFwVersionFileHandler::ExternalizeL( RWriteStream& aStream )
+    {
+    // If you make changes here, 
+    // remember to update InternalizeL accordingly!!!
+     
+    //write length of fw string
+    aStream.WriteUint8L( iFwVersion->Length() );
+    // write string of fw version
+    aStream.WriteL( *iFwVersion );
+    }
+
+//EOF