// HTMLParser Library $Name: v1_6_20060319 $ - A java-based parser for HTML// http://sourceforge.org/projects/htmlparser// Copyright (C) 2004 Somik Raha//// Revision Control Information//// $Source: /cvsroot/htmlparser/htmlparser/src/org/htmlparser/tests/PerformanceTest.java,v $// $Author: derrickoswald $// $Date: 2004/07/31 16:42:33 $// $Revision: 1.48 $//// This library is free software; you can redistribute it and/or// modify it under the terms of the GNU Lesser General Public// License as published by the Free Software Foundation; either// version 2.1 of the License, or (at your option) any later version.//// This library 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// Lesser General Public License for more details.//// You should have received a copy of the GNU Lesser General Public// License along with this library; if not, write to the Free Software// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA//package org.htmlparser.tests;import org.htmlparser.Parser;import org.htmlparser.util.DefaultParserFeedback;import org.htmlparser.util.NodeIterator;import org.htmlparser.util.ParserException;public class PerformanceTest {    private int numTimes;    private String file;    /**     * Try to parse the given page the given no of times     * Print average time taken     * @param file File to be parsed     * @param numTimes number of times the test should be repeated     */    public PerformanceTest(String file, int numTimes) {        this.file = file;        this.numTimes = numTimes;    }    public void beginTestWithoutScanners() throws ParserException {        Parser parser;        long sumTimes=0;        double avg=0;        System.out.println("***************************************");        System.out.println("*  Test Without Scanners Registered   *");        System.out.println("***************************************");        for (int i=0;i<=numTimes;i++) {            // Create the parser object            parser = new Parser(file,new DefaultParserFeedback());            long start=System.currentTimeMillis();            for (NodeIterator e = parser.elements();e.hasMoreNodes();)                e.nextNode();            long elapsedTime=System.currentTimeMillis()-start;            if (i!=0)            sumTimes += elapsedTime;            System.out.print("Iteration "+i);            if (i==0) System.out.print(" (not counted)");            System.out.println(" : time taken = "+elapsedTime+" ms");        }        avg = sumTimes/(float)numTimes;        System.out.println("***************************************");        System.out.println("Average Time : "+avg+" ms");        System.out.println("***************************************");    }    public void beginTestWithScanners() throws ParserException {        Parser parser;        long sumTimes=0;        double avg=0;        System.out.println("***************************************");        System.out.println("*    Test With Scanners Registered    *");        System.out.println("***************************************");        for (int i=0;i<=numTimes;i++) {            // Create the parser object            parser = new Parser(file,new DefaultParserFeedback());            long start=System.currentTimeMillis();            for (NodeIterator e = parser.elements();e.hasMoreNodes();)                e.nextNode();            long elapsedTime=System.currentTimeMillis()-start;            if (i!=0)            sumTimes += elapsedTime;            System.out.print("Iteration "+i);            if (i==0) System.out.print(" (not counted)");            System.out.println(" : time taken = "+elapsedTime+" ms");        }        avg = sumTimes/(float)numTimes;        System.out.println("***************************************");        System.out.println("Average Time : "+avg+" ms");        System.out.println("***************************************");    }    public static void main(String[] args) {        if (args.length<2) {            System.err.println("Syntax Error.");            System.err.println("Params needed for test : <file/url to be parsed> <number of iterations>");            System.exit(-1);        }        String file = args[0];        String numTimesString = args[1];        int numTimes = Integer.decode(numTimesString).intValue();        PerformanceTest pt = new PerformanceTest(file,numTimes);        try {            pt.beginTestWithoutScanners();            pt.beginTestWithScanners();        }        catch (ParserException e) {            e.printStackTrace();        }    }}