plugins/org.eclipse.libra.framework.ui/src/org/eclipse/libra/framework/ui/Trace.java

/*******************************************************************************
 *    Copyright (c) 2010 Eteration A.S. 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 Corporation - initial API and implementation
 *           - This code is based on WTP SDK frameworks and Tomcat Server Adapters
 *           org.eclipse.jst.server.core
 *           org.eclipse.jst.server.ui
 *           
 *       Naci Dai and Murat Yener, Eteration A.S. 
 *******************************************************************************/

package org.eclipse.libra.framework.ui;


/**
 * Helper class to route trace output.
 */
public class Trace {
	public static final byte CONFIG = 0;
	public static final byte WARNING = 1;
	public static final byte SEVERE = 2;
	public static final byte FINEST = 3;
	public static final byte FINER = 4;

	/**
	 * Trace constructor comment.
	 */
	private Trace() {
		super();
	}

	/**
	 * Trace the given text.
	 *
	 * @param level the trace level
	 * @param s a message
	 */
	public static void trace(byte level, String s) {
		Trace.trace(level, s, null);
	}

	/**
	 * Trace the given message and exception.
	 *
	 * @param level the trace level
	 * @param s a message
	 * @param t a throwable
	 */
	public static void trace(byte level, String s, Throwable t) {
		if (!FrameworkUIPlugin.getInstance().isDebugging())
			return;

		System.out.println(FrameworkUIPlugin.PLUGIN_ID + " " + s);
		if (t != null)
			t.printStackTrace();
	}
}