/*******************************************************************************
 * Copyright (c) 2002, 2011 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    IBM Rational Software - Initial API and implementation
 *    Markus Schorn (Wind River Systems)
 *    Mike Kucera (IBM)
 *******************************************************************************/
package org.eclipse.cdt.internal.core.parser;

import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.ICLogConstants;
import org.eclipse.cdt.core.parser.AbstractParserLogService;
import org.eclipse.cdt.internal.core.model.DebugLogConstants;
import org.eclipse.cdt.internal.core.model.Util;
import org.eclipse.cdt.internal.core.util.ICancelable;
import org.eclipse.cdt.internal.core.util.ICanceler;
import org.eclipse.core.runtime.Platform;

/**
 * @author jcamelon
 *
 */
public class ParserLogService extends AbstractParserLogService implements ICanceler {

	private final DebugLogConstants topic;
	private final boolean fIsTracing;
	private final boolean fIsTracingExceptions;
	private final ICanceler fCanceler;
	
	public ParserLogService(DebugLogConstants constant) {
		this(constant, null);
	}
	
	public ParserLogService(DebugLogConstants constant, ICanceler canceler) {
		topic = constant;
		if (CCorePlugin.getDefault() == null) {
			fIsTracing= fIsTracingExceptions= false;
		}
		else {
			fIsTracingExceptions= Util.PARSER_EXCEPTIONS;
			fIsTracing= Util.isActive(topic);
		}
		fCanceler= canceler;
	}


	@Override
	public void traceLog(String message) {
		Util.debugLog( message, topic );
	}

	@Override
	public boolean isTracing(String option) {
		return "true".equals(Platform.getDebugOption(option)); //$NON-NLS-1$
	}
	
	@Override
	public void traceLog(String option, String message) {
		if (isTracing(option)) 
			System.out.println(message);
	}

	@Override
	public void errorLog(String message) {
		Util.log( message, ICLogConstants.CDT );
	}

	@Override
	public boolean isTracing() {
		return fIsTracing;
	}
	
	@Override
	public boolean isTracingExceptions() {
		return fIsTracingExceptions;
	}

	/*
	 * @see org.eclipse.cdt.internal.core.util.ICanceler#setCancelable(org.eclipse.cdt.internal.core.util.ICancelable)
	 */
	public void setCancelable(ICancelable cancelable) {
		if (fCanceler != null) {
			fCanceler.setCancelable(cancelable);
		}
	}
}