| package org.apache.lucene; |
| |
| /** |
| * Copyright 2004 The Apache Software Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| 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; |
| |
| class AnalysisTest { |
| public static void main(String[] args) { |
| try { |
| test("This is a test", true); |
| // FIXME: OG: what's with this hard-coded file name?? |
| 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"); |
| } |
| } |