/*

* 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: 

*

*/

package com.nokia.s60tools.traceanalyser.model;

import com.nokia.s60tools.traceanalyser.export.RuleEvent;

import com.nokia.s60tools.traceanalyser.export.TraceAnalyserRule;

import com.nokia.s60tools.traceanalyser.export.RuleEvent.RuleStatus;

import com.nokia.traceviewer.api.DPLocation;

import com.nokia.traceviewer.api.TraceViewerAPI;

import com.nokia.traceviewer.api.TraceViewerAPI.TVAPIError;

import com.nokia.traceviewer.engine.TraceProperties;

import com.nokia.traceviewer.engine.dataprocessor.DataProcessor;

/**

 * class TraceListener.

 * Class that is responsible for listening to trace.

 */

public class TraceListener implements DataProcessor {

	/* Trace Analyser engine */ 

	Engine engine;

	/* Rule array */

	TraceAnalyserRule[] rules = null;

	/**

	 * TraceListener.

	 * constructor.

	 * @param engine Trace Analyser Engine.

	 */

	public TraceListener(Engine engine){

		this.engine = engine;

		//Add DataProcessor to TraceViewer

		TVAPIError error = TVAPIError.NONE;

		error = TraceViewerAPI.addDataProcessor(this, DPLocation.AFTER_VIEW, 50); // CodForChk_Dis_Magic

		// Check error code

		if( error != TVAPIError.NONE ){

			System.out.println("Unable to add dataprocessor to TraceViewer");

		}

	}

	/**

	 * stopListening.

	 * stops listening to trace.

	 */

	public void stopListening(){

		//Add DataProcessor to TraceViewer

		TVAPIError error = TVAPIError.NONE;

		error = TraceViewerAPI.removeDataProcessor(this);

		// Check error code

		if( error != TVAPIError.NONE ){

			System.out.println("Unable to remove dataprocessor from TraceViewer");

		}

	}

	/*

	 * (non-Javadoc)

	 * @see com.nokia.traceviewer.engine.dataprocessor.DataProcessor#processData(com.nokia.traceviewer.engine.TraceProperties)

	 */

	public void processData(TraceProperties traceEvent) {

		// Make sure that this is not scrolled trace

		if(! traceEvent.traceConfiguration.isScrolledTrace()){

			if(rules != null){

				// forwards trace to all rules and if rule some rule event is detected it is sent to engine and fail log.

				for(TraceAnalyserRule rule:rules){

					// Check rule status.

					RuleEvent event = rule.checkRuleStatus(traceEvent);

					if(event.getStatus() == RuleStatus.FAIL){

						// if rule failed, create add item to fail log log item.

						engine.addFailLogItem(event);

					}

					if(event.getStatus() != RuleStatus.NONE){

						// is some event(either fail or pass) is detected, sent it to engine.

						engine.addRuleEvent(rule.getName(), event);

					}

				}

			}

		}

	}

	/**

	 * setRules.

	 * @param traceAnalyserRules new rule array.

	 */

	public void setRules(TraceAnalyserRule[] traceAnalyserRules) {

		this.rules = traceAnalyserRules;

	}

}