/******************************************************************************* * Copyright (c) 2005 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 Corporation - initial API and implementation ******************************************************************************/package org.eclipse.core.commands.util;/** * <p> * A utility class for printing tracing output to the console. * </p> * <p> * Clients must not extend or instantiate this class. * </p> * <p> * <strong>EXPERIMENTAL</strong>. This class or interface has been added as * part of a work in progress. There is a guarantee neither that this API will * work nor that it will remain the same. Please do not use this API without * consulting with the Platform/UI team. * </p> *  * @since 3.2 */public final class Tracing {	/**	 * The separator to place between the component and the message.	 */	public static final String SEPARATOR = " >>> "; //$NON-NLS-1$	/**	 * <p>	 * Prints a tracing message to standard out. The message is prefixed by a	 * component identifier and some separator. See the example below.	 * </p>	 * 	 * <pre>	 *        BINDINGS &gt;&gt; There are 4 deletion markers	 * </pre>	 * 	 * @param component	 *            The component for which this tracing applies; may be	 *            <code>null</code>	 * @param message	 *            The message to print to standard out; may be <code>null</code>.	 */	public static final void printTrace(final String component,			final String message) {		StringBuffer buffer = new StringBuffer();		if (component != null) {			buffer.append(component);		}		if ((component != null) && (message != null)) {			buffer.append(SEPARATOR);		}		if (message != null) {			buffer.append(message);		}		System.out.println(buffer.toString());	}	/**	 * This class is not intended to be instantiated.	 */	private Tracing() {		// Do nothing.	}}