| package org.apache.lucene; |
| |
| /* ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2001 The Apache Software Foundation. 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 |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" and |
| * "Apache Lucene" must not be used to endorse or promote products |
| * derived from this software without prior written permission. For |
| * written permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * "Apache Lucene", nor may "Apache" appear in their name, without |
| * prior written permission of the Apache Software Foundation. |
| * |
| * 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 APACHE SOFTWARE FOUNDATION 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 Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| import org.apache.lucene.analysis.SimpleAnalyzer; |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.analysis.TokenStream; |
| import org.apache.lucene.analysis.Token; |
| |
| import java.io.Reader; |
| import java.io.StringReader; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.BufferedReader; |
| import java.io.InputStreamReader; |
| import java.util.Date; |
| import java.util.Random; |
| |
| class AnalysisTest { |
| public static void main(String[] args) { |
| try { |
| test("This is a test", true); |
| test(new File("words.txt"), false); |
| } catch (Exception e) { |
| System.out.println(" caught a " + e.getClass() + |
| "\n with message: " + e.getMessage()); |
| } |
| } |
| |
| static void test(File file, boolean verbose) |
| throws Exception { |
| long bytes = file.length(); |
| System.out.println(" Reading test file containing " + bytes + " bytes."); |
| |
| FileInputStream is = new FileInputStream(file); |
| BufferedReader ir = new BufferedReader(new InputStreamReader(is)); |
| |
| test(ir, verbose, bytes); |
| |
| ir.close(); |
| } |
| |
| static void test(String text, boolean verbose) throws Exception { |
| System.out.println(" Tokenizing string: " + text); |
| test(new StringReader(text), verbose, text.length()); |
| } |
| |
| static void test(Reader reader, boolean verbose, long bytes) |
| throws Exception { |
| Analyzer analyzer = new SimpleAnalyzer(); |
| TokenStream stream = analyzer.tokenStream(null, reader); |
| |
| Date start = new Date(); |
| |
| int count = 0; |
| for (Token t = stream.next(); t!=null; t = stream.next()) { |
| if (verbose) { |
| System.out.println("Text=" + t.termText() |
| + " start=" + t.startOffset() |
| + " end=" + t.endOffset()); |
| } |
| count++; |
| } |
| |
| Date end = new Date(); |
| |
| long time = end.getTime() - start.getTime(); |
| System.out.println(time + " milliseconds to extract " + count + " tokens"); |
| System.out.println((time*1000.0)/count + " microseconds/token"); |
| System.out.println((bytes * 1000.0 * 60.0 * 60.0)/(time * 1000000.0) |
| + " megabytes/hour"); |
| } |
| } |