diff -r 000000000000 -r c53acadfccc6 metadataengine/server/src/mdsmaintenanceengine.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/metadataengine/server/src/mdsmaintenanceengine.cpp	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,244 @@
+/*
+* 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:  Class for database import/export and maintenance
+*
+*/
+
+// INCLUDE FILES
+#include "mdsmaintenanceengine.h"
+#include "mdslogger.h"
+#include "mdsmanipulationengine.h"
+#include "mdcserializationbuffer.h"
+#include "mdsimportexport.h"
+#include "mdssqliteconnection.h"
+#include "mdsschema.h"
+#include "mdssqldbmaintenance.h"
+#include "mdsdbconnectionpool.h"
+#include "mdsindexer.h"
+#include "mdspreferences.h"
+
+__USES_LOGGER
+
+// ------------------------------------------------
+// NewL
+// ------------------------------------------------
+//
+CMdSMaintenanceEngine* CMdSMaintenanceEngine::NewL()
+    {
+    CMdSMaintenanceEngine* self = CMdSMaintenanceEngine::NewLC();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ------------------------------------------------
+// NewLC
+// ------------------------------------------------
+//
+CMdSMaintenanceEngine* CMdSMaintenanceEngine::NewLC()
+    {
+    CMdSMaintenanceEngine* self = new ( ELeave ) CMdSMaintenanceEngine();
+    CleanupStack::PushL( self );
+    self->ConstructL( );
+    return self;
+    }
+
+// ------------------------------------------------
+// Constructor
+// ------------------------------------------------
+//
+CMdSMaintenanceEngine::CMdSMaintenanceEngine()
+    {
+    }
+
+// ------------------------------------------------
+// NewL
+// ------------------------------------------------
+//
+void CMdSMaintenanceEngine::ConstructL()
+    {
+    iMaintenance = CMdSSqlDbMaintenance::NewL();
+    }
+
+// ------------------------------------------------
+// Destructor
+// ------------------------------------------------
+//
+CMdSMaintenanceEngine::~CMdSMaintenanceEngine()
+    {
+    delete iMaintenance;
+    }
+
+// ------------------------------------------------
+// InitConnectionL
+// ------------------------------------------------
+//
+void CMdSMaintenanceEngine::InitConnectionL()
+    {
+    // open the database
+    MMdSDbConnectionPool::ConnectAllL();
+    }
+
+// ------------------------------------------------
+// CloseDatabaseL
+// ------------------------------------------------
+//
+void CMdSMaintenanceEngine::CloseDatabase()
+	{
+	MMdSDbConnectionPool::DisconnectAll();
+	}
+
+// ------------------------------------------------
+// DeleteDatabaseL
+// ------------------------------------------------
+//
+void CMdSMaintenanceEngine::DeleteDatabase()
+	{
+	CMdSMaintenanceEngine::CloseDatabase();    
+	CMdSSqLiteConnection::DeleteDb( );
+	}
+
+// ------------------------------------------------
+// InstallL
+// ------------------------------------------------
+//
+void CMdSMaintenanceEngine::InstallL( CMdSManipulationEngine& aManipulate, CMdsSchema& aSchema )
+    {
+    if ( !(iMaintenance->ValidateL( ) ) )
+        {
+        // first-time init: re-form the database completely
+    	iMaintenance->CreateDatabaseL( );
+		const TUint KMdSServerUid = 0x0320e65f; // temporal uid
+
+		// try to read schema file from C drive
+		TRAPD( err, ImportSchemaL( aSchema, KSchemaImportFile, KMdSServerUid) );
+
+		if( err != KErrNone )
+			{
+			__LOG1( ELogAlways, "Schema reading error: %d", err );
+			// if schema file is not found, try to read from rom (Z) drive
+			if ( err == KErrNotFound || err == KErrPathNotFound )
+				{
+				TRAP( err, ImportSchemaL( aSchema, KSchemaRomImportFile, KMdSServerUid) );
+				}
+			if( err != KErrNone )
+				{
+				__LOG1( ELogAlways, "Schema reading error: %d", err );
+				DeleteDatabase();
+				User::Leave( err );
+				}
+			}
+
+		if ( FailedImports() != 0 )
+  			{
+	       	User::Leave( KErrCorrupt );
+       		}
+		
+		// try to read default import file from C drive
+       	TRAP( err, ImportMetadataL( aManipulate, aSchema, KMdsDefaultImportFile ) );
+       	if ( err == KErrNotFound || err == KErrPathNotFound )
+       		{
+       		// if default import file is not found, try to read from rom (Z) drive
+       		// and ignore errors
+       		TRAP_IGNORE( ImportMetadataL( aManipulate, aSchema, KMdsDefaultRomImportFile ) );
+       		}
+       	
+       	StoreCDriveMediaIdL();
+        }
+    else
+        {
+        TRAPD( err, LoadSchemaL( aSchema ) );
+
+        if( err != KErrNone )
+        	{ 
+			DeleteDatabase();
+			User::Leave( err );
+        	}
+        }
+    }
+
+// ------------------------------------------------
+// LoadSchemaL
+// ------------------------------------------------
+//
+void CMdSMaintenanceEngine::LoadSchemaL( CMdsSchema& aSchema )
+    {
+    CMdsImportExport* impSchema = CMdsImportExport::NewLC();
+    impSchema->ImportSchemaFromDBL( aSchema );
+    CleanupStack::PopAndDestroy( impSchema );
+    aSchema.SerializeToSharedMemoryL();
+    }
+    
+// ------------------------------------------------
+// ImportSchemaL
+// ------------------------------------------------
+//
+void CMdSMaintenanceEngine::ImportSchemaL( CMdsSchema& aSchema, const TDesC16& aFileName, TUint32 aVendorId )
+    {
+    CMdsImportExport* impSchema = CMdsImportExport::NewLC();
+    impSchema->ImportSchemaFromFileL( aFileName, aSchema, aVendorId );
+    CleanupStack::PopAndDestroy( impSchema );
+
+    aSchema.StoreToDBL();
+
+	aSchema.SerializeToSharedMemoryL();
+    }
+
+// ------------------------------------------------
+// ImportMetadataL
+// ------------------------------------------------
+//
+TInt CMdSMaintenanceEngine::ImportMetadataL( CMdSManipulationEngine& aManipulate, CMdsSchema& aSchema, const TDesC16& aFileName )
+    {
+    CMdsImportExport* importMetadata = CMdsImportExport::NewLC();
+    TInt failed = KErrNone;
+    TRAPD( err, failed = importMetadata->ImportMetadataL( aManipulate.Manipulate(), aSchema, aFileName ) );
+    if (err != KErrNone)
+    	{
+    	failed = err;
+    	}
+    CleanupStack::PopAndDestroy( importMetadata );
+    
+   	iFailedImports = failed;
+    return failed;
+    }
+    
+// ------------------------------------------------
+// ExportMetadataL
+// ------------------------------------------------
+//
+void CMdSMaintenanceEngine::ExportMetadataL( CMdsSchema& aSchema, const TDesC16& aFileName, 
+                                             CMdCSerializationBuffer& aItems )
+	{
+	CMdsImportExport* exporter = CMdsImportExport::NewLC();
+	exporter->ExportMetadataL( aSchema, aFileName, aItems );
+	CleanupStack::PopAndDestroy( exporter );
+    }
+
+// ------------------------------------------------
+// StoreCDriveMediaIdL
+// ------------------------------------------------
+//
+void CMdSMaintenanceEngine::StoreCDriveMediaIdL()
+	{
+	RFs fs;
+    User::LeaveIfError( fs.Connect() );
+    CleanupClosePushL( fs );
+    TVolumeInfo volumeInfo;
+    fs.Volume( volumeInfo, EDriveC );
+    MMdsPreferences::InsertL( KCMediaIdKey, MMdsPreferences::EPreferenceValueSet,
+    		(TUint32) volumeInfo.iUniqueID );
+    
+    CleanupStack::PopAndDestroy( &fs );
+	}
+