diff -r 000000000000 -r 522a326673b6 sysmodelmgr/com.symbian.smt.gui/src/com/symbian/smt/gui/PersistentDataStore.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysmodelmgr/com.symbian.smt.gui/src/com/symbian/smt/gui/PersistentDataStore.java	Thu Mar 11 19:08:43 2010 +0200
@@ -0,0 +1,62 @@
+// Copyright (c) 2008-2009 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:
+//
+
+package com.symbian.smt.gui;
+
+import org.eclipse.core.runtime.preferences.IEclipsePreferences;
+import org.osgi.service.prefs.BackingStoreException;
+
+public class PersistentDataStore extends AbstractPersistentDataStore {
+
+	private IEclipsePreferences node;
+	private IEclipsePreferences defaultNode;
+
+	public PersistentDataStore(IEclipsePreferences instanceNode) {
+		this.node = instanceNode;
+		this.defaultNode = null;
+	}
+
+	/**
+	 * Creates the PersistentDataStore object, which is used for reading and
+	 * writing to a IEclipsePreferences node
+	 * 
+	 * @param IEclipsePreferences
+	 *            A node
+	 */
+	public PersistentDataStore(IEclipsePreferences instanceNode,
+			IEclipsePreferences defaultNode) {
+		this.node = instanceNode;
+		this.defaultNode = defaultNode;
+	}
+
+	public String read(PersistentSettingsEnums key) {
+		String result = node.get(key.toString(), null);
+
+		if (result == null && defaultNode != null) {
+			result = defaultNode.get(key.toString(), null);
+		}
+
+		return result;
+	}
+
+	public void write(PersistentSettingsEnums key, String value) {
+		node.put(key.toString(), value);
+		try {
+			node.flush();
+		} catch (BackingStoreException e) {
+			Logger.log(e.getMessage(), e);
+		}
+	}
+}