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/*
* ElapsedTimer.java
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common
* Development and Distribution License("CDDL") (collectively, the
* "License"). You may not use this file except in compliance with the
* License. You can obtain a copy of the License at
* http://www.netbeans.org/cddl-gplv2.html
* or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
* specific language governing permissions and limitations under the
* License. When distributing the software, include this License Header
* Notice in each file and include the License file at
* nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the
* License Header, with the fields enclosed by brackets [] replaced by
* your own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* Contributor(s):
*
* The Original Software is NetBeans. The Initial Developer of the Original
* Software is Sun Microsystems, Inc. Portions Copyright 2000-2001 Sun
* Microsystems, Inc. All Rights Reserved.
*
* If you wish your version of this file to be governed by only the CDDL
* or only the GPL Version 2, indicate your decision by adding
* "[Contributor] elects to include this software in this distribution
* under the [CDDL or GPL Version 2] license." If you do not indicate a
* single choice of license, a recipient has the option to distribute
* your version of this file under either the CDDL, the GPL Version 2 or
* to extend the choice of license to its licensees as provided above.
* However, if you add GPL Version 2 code and therefore, elected the GPL
* Version 2 license, then the option applies only if the new code is
* made subject to such option by the copyright holder.
*
* Contributor(s): Thomas Ball
*
* Version: $Revision$
*/
/**
* A simple class for calculating and reporting elapsed system time.
* Each timer has a start time and may have an end time. If an
* elapsed time value is requested of a timer which doesn't have its
* stop time set, the current system time is used.
*
* @author Tom Ball
*/
public class ElapsedTimer {
// System times in milliseconds; see System.currentTimeMillis();
private long startTime;
private long stopTime;
/**
* Create a new timer.
*/
public ElapsedTimer() {
reset();
}
/**
* Stop the current timer; that is, set its stopTime.
*/
public void stop() {
stopTime = System.currentTimeMillis();
}
/**
* Reset the starting time to the current system time.
*/
public final void reset() {
startTime = System.currentTimeMillis();
}
public long getElapsedMilliseconds() {
long st = (stopTime == 0) ? System.currentTimeMillis() : stopTime;
return st - startTime;
}
public int getElapsedSeconds() {
return (int)(getElapsedMilliseconds() / 1000L);
}
public String toString() {
long ms = getElapsedMilliseconds();
int sec = (int)(ms / 1000L);
int frac = (int)(ms % 1000L);
StringBuffer sb = new StringBuffer();
sb.append(ms / 1000L);
sb.append('.');
sb.append(ms % 1000L);
sb.append(" seconds");
return sb.toString();
}
}
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