Class encapsulating timer functionality : Timer « Development Class « Java
Class encapsulating timer functionality
/*
* Copyright (c) 2003 - 2007 OpenSubsystems s.r.o. Slovak Republic. All rights reserved.
*
* Project: OpenSubsystems
*
* $Id: MyTimer.java,v 1.5 2007/01/07 06:14:00 bastafidli Exp $
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* Class encapsulating timer functionality.
*
* @version $Id: MyTimer.java,v 1.5 2007/01/07 06:14:00 bastafidli Exp $
* @author Miro Halas
* @code.reviewer Miro Halas
* @code.reviewed Initial revision
*/
public class MyTimer
{
// Attributes ///////////////////////////////////////////////////////////////
/**
* Remeber start time here.
*/
private long m_lStartTime;
/**
* Remeber stop time here.
*/
private long m_lStopTime;
// Constructors /////////////////////////////////////////////////////////////
/**
* Default constructor.
* Starts counting fro the moment it is cosntructed.
*/
public MyTimer(
)
{
reset();
}
// Logic ////////////////////////////////////////////////////////////////////
/**
* @return long - start time;
*/
public long getStartTime()
{
return m_lStartTime;
}
/**
* @return - stop time;
*/
public long getStopTime()
{
return m_lStopTime;
}
/**
* Reset the counter and start counting from scratch.
*/
public void reset(
)
{
m_lStartTime = System.currentTimeMillis();
m_lStopTime = 0;
}
/**
* Stop the timer.
*/
public void stop(
)
{
m_lStopTime = System.currentTimeMillis();
}
/**
* Get timer duration (the timer doesn't stop) in milliseconds.
*
* @return long - difference between stop and start time.
*/
public long getDuration(
)
{
long lStopTime;
if (m_lStopTime == 0)
{
lStopTime = System.currentTimeMillis();
}
else
{
lStopTime = m_lStopTime;
}
return lStopTime - m_lStartTime;
}
/**
* Print the state of the timer without stopping it.
* @return String - timing information
*/
public String toString(
)
{
long lTotalMS = getDuration();
long lMS = lTotalMS % 1000;
long lTotalSecs = lTotalMS / 1000;
long lSecs = lTotalSecs % 60;
long lTotalMins = lTotalSecs / 60;
long lMinutes = lTotalMins % 60;
long lHours = lTotalMins / 60;
StringBuffer sbBuffer = new StringBuffer();
if (lHours > 0)
{
sbBuffer.append(lHours);
sbBuffer.append(":");
sbBuffer.append(lMinutes);
sbBuffer.append(":");
sbBuffer.append(lSecs);
sbBuffer.append(".");
sbBuffer.append(lMS);
}
else if (lMinutes > 0)
{
sbBuffer.append(lMinutes);
sbBuffer.append(":");
sbBuffer.append(lSecs);
sbBuffer.append(".");
sbBuffer.append(lMS);
}
else if (lSecs > 0)
{
sbBuffer.append(lSecs);
sbBuffer.append(".");
sbBuffer.append(lMS);
sbBuffer.append(" seconds");
}
else
{
sbBuffer.append(lMS);
sbBuffer.append(" ms");
}
return sbBuffer.toString();
}
}
