diff -r 14dc2103a631 -r ed1c9f64298a trace/tracebuilder/com.nokia.tracebuilder/src/com/nokia/tracebuilder/engine/source/TraceLocationWriter.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/trace/tracebuilder/com.nokia.tracebuilder/src/com/nokia/tracebuilder/engine/source/TraceLocationWriter.java	Wed Jun 23 14:35:40 2010 +0300
@@ -0,0 +1,123 @@
+/*
+* 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:
+*
+* Updates a trace location into source code
+*
+*/
+package com.nokia.tracebuilder.engine.source;
+
+import java.util.Iterator;
+
+import com.nokia.tracebuilder.engine.TraceLocation;
+import com.nokia.tracebuilder.engine.TraceLocationProperties;
+import com.nokia.tracebuilder.model.Trace;
+import com.nokia.tracebuilder.source.SourceExcludedArea;
+import com.nokia.tracebuilder.source.SourceParserException;
+
+/**
+ * Updates trace locations into source code
+ * 
+ */
+class TraceLocationWriter {
+
+	/**
+	 * Prevents construction
+	 */
+	private TraceLocationWriter() {
+	}
+
+	/**
+	 * Queues a location update operation
+	 * 
+	 * @param location
+	 *            the location to be updated
+	 */
+	static void updateLocation(TraceLocation location) {
+		TraceLocationUpdateWriter writer = new TraceLocationUpdateWriter(
+				location);
+		writer.update();
+	}
+
+	/**
+	 * Queues a add location operation
+	 * 
+	 * @param properties
+	 *            the source properties
+	 * @param trace
+	 *            the trace to be added to source
+	 * @param offset
+	 *            the offset where trace is added
+	 * @throws SourceParserException
+	 *             if source parser fails
+	 */
+	static void addLocation(SourceProperties properties, Trace trace, int offset)
+			throws SourceParserException {
+		TraceLocationCreator writer = new TraceLocationCreator(properties,
+				trace, offset, null);
+		writer.update();
+	}
+
+	/**
+	 * Queues a replace location operation
+	 * 
+	 * @param properties
+	 *            the source properties
+	 * @param trace
+	 *            the trace to be added to source
+	 * @param replaced
+	 *            the location which is replaced by the trace
+	 * @throws SourceParserException
+	 *             if source parser fails
+	 */
+	static void replaceLocation(SourceProperties properties, Trace trace,
+			TraceLocation replaced) throws SourceParserException {
+		TraceLocationProperties locprops = new TraceLocationProperties();
+		Iterator<String> itr = replaced.getParameters();
+		while (itr.hasNext()) {
+			locprops.addParameterTag(itr.next());
+		}
+		TraceLocationCreator replacer = new TraceLocationCreator(properties,
+				trace, TraceLocationRemover.findStartOffset(replaced), locprops);
+		replacer.update();
+	}
+
+	/**
+	 * Queues a remove location operation
+	 * 
+	 * @param location
+	 *            the location to be removed
+	 */
+	static void removeLocation(TraceLocation location) {
+		TraceLocationRemover remover = new TraceLocationRemover(location);
+		remover.update();
+	}
+
+	/**
+	 * Locates the comment related to given location
+	 * 
+	 * @param location
+	 *            the location
+	 * @return index to the start of comment
+	 */
+	static SourceExcludedArea findLocationComment(TraceLocation location) {
+		SourceExcludedArea retval = null;
+		if (location.getParserRule() != null) {
+			retval = location.getParserRule().getLocationParser()
+					.findLocationComment(location);
+		}
+		return retval;
+	}
+
+}