/* * Copyright (c) 2000 jPOS.org.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in *    the documentation and/or other materials provided with the *    distribution. * * 3. The end-user documentation included with the redistribution, *    if any, must include the following acknowledgment: *    "This product includes software developed by the jPOS project  *    (http://www.jpos.org/)". Alternately, this acknowledgment may  *    appear in the software itself, if and wherever such third-party  *    acknowledgments normally appear. * * 4. The names "jPOS" and "jPOS.org" must not be used to endorse  *    or promote products derived from this software without prior  *    written permission. For written permission, please contact  *    license@jpos.org. * * 5. Products derived from this software may not be called "jPOS", *    nor may "jPOS" appear in their name, without prior written *    permission of the jPOS project. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.   * IN NO EVENT SHALL THE JPOS PROJECT OR ITS CONTRIBUTORS BE LIABLE FOR  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE  * POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the jPOS Project.  For more * information please see <http://www.jpos.org/>. */package org.jpos.util;import java.io.PrintStream;import java.util.ArrayList;import java.util.Collection;import java.util.Iterator;/** * Simple Profiler * @author Alejandro P. Revilla * @version $Id: Profiler.java,v 1.3 2004/11/03 19:52:41 apr Exp $ */public class Profiler implements Loggeable {    long start, parcial;    Collection events;    public Profiler () {        super();        reset();    }    /**     * reset timers     */    public void reset() {        start = parcial = System.currentTimeMillis();        events = new ArrayList();    }    /**     * mark checkpoint     * @param detail checkpoint information     */    public synchronized void checkPoint (String detail) {        long now = System.currentTimeMillis();        StringBuffer sb = new StringBuffer (detail);        sb.append (" [");        sb.append (Long.toString (now - parcial));        sb.append ('/');        sb.append (Long.toString (now - start));        sb.append (']');        events.add (sb.toString());        parcial = now;    }    /**     * @return total elapsed time since last reset     */    public long getElapsed() {        return System.currentTimeMillis() - start;    }    /**     * @return parcial elapsed time since last reset     */    public long getParcial() {        return System.currentTimeMillis() - parcial;    }    public void dump (PrintStream p, String indent) {        String inner = indent + "  ";        parcial = start;        checkPoint ("end");        Iterator iter = events.iterator();        p.println (indent + "<profiler>");        while (iter.hasNext())             p.println (inner + (String) iter.next());        p.println (indent + "</profiler>");    }}