Coverage Report - org.crosswire.jsword.index.lucene.analysis.GreekLuceneAnalyzer
 
Classes in this File Line Coverage Branch Coverage Complexity
GreekLuceneAnalyzer
0%
0/18
0%
0/10
2.667
 
 1  
 /**
 2  
  * Distribution License:
 3  
  * JSword is free software; you can redistribute it and/or modify it under
 4  
  * the terms of the GNU Lesser General Public License, version 2.1 or later
 5  
  * as published by the Free Software Foundation. This program is distributed
 6  
  * in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 7  
  * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 8  
  * See the GNU Lesser General Public License for more details.
 9  
  *
 10  
  * The License is available on the internet at:
 11  
  *      http://www.gnu.org/copyleft/lgpl.html
 12  
  * or by writing to:
 13  
  *      Free Software Foundation, Inc.
 14  
  *      59 Temple Place - Suite 330
 15  
  *      Boston, MA 02111-1307, USA
 16  
  *
 17  
  * © CrossWire Bible Society, 2007 - 2016
 18  
  *
 19  
  */
 20  
 package org.crosswire.jsword.index.lucene.analysis;
 21  
 
 22  
 import java.io.IOException;
 23  
 import java.io.Reader;
 24  
 
 25  
 import org.apache.lucene.analysis.StopFilter;
 26  
 import org.apache.lucene.analysis.TokenStream;
 27  
 import org.apache.lucene.analysis.el.GreekAnalyzer;
 28  
 import org.apache.lucene.analysis.el.GreekLowerCaseFilter;
 29  
 import org.apache.lucene.analysis.standard.StandardTokenizer;
 30  
 import org.apache.lucene.util.Version;
 31  
 
 32  
 /**
 33  
  * Uses org.apache.lucene.analysis.el.GreekAnalyzer to do lowercasing and
 34  
  * stopword(off by default). Stemming not implemented yet
 35  
  * 
 36  
  * @see gnu.lgpl.License The GNU Lesser General Public License for details.
 37  
  * @author Sijo Cherian
 38  
  */
 39  
 public class GreekLuceneAnalyzer extends AbstractBookAnalyzer {
 40  0
     public GreekLuceneAnalyzer() {
 41  0
         stopSet = GreekAnalyzer.getDefaultStopSet();
 42  0
     }
 43  
 
 44  
     /**
 45  
      * Creates a {@link TokenStream} which tokenizes all the text in the provided {@link Reader}.
 46  
      *
 47  
      * @return  A {@link TokenStream} built from a {@link StandardTokenizer} filtered with
 48  
      *                  {@link GreekLowerCaseFilter} and {@link StopFilter}
 49  
      */
 50  
     @Override
 51  
     public TokenStream tokenStream(String fieldName, Reader reader) {
 52  0
         TokenStream result = new StandardTokenizer(matchVersion, reader);
 53  0
         result = new GreekLowerCaseFilter(result);
 54  0
         if (doStopWords && stopSet != null) {
 55  0
             result = new StopFilter(StopFilter.getEnablePositionIncrementsVersionDefault(matchVersion), result, stopSet);
 56  
         }
 57  0
         return result;
 58  
     }
 59  
 
 60  
     /**
 61  
      * Returns a (possibly reused) {@link TokenStream} which tokenizes all the text 
 62  
      * in the provided {@link Reader}.
 63  
      *
 64  
      * @return  A {@link TokenStream} built from a {@link StandardTokenizer} filtered with
 65  
      *                  {@link GreekLowerCaseFilter} and {@link StopFilter}
 66  
      */
 67  
     @Override
 68  
     public TokenStream reusableTokenStream(String fieldName, Reader reader) throws IOException {
 69  0
         SavedStreams streams = (SavedStreams) getPreviousTokenStream();
 70  0
         if (streams == null) {
 71  0
             streams = new SavedStreams(new StandardTokenizer(matchVersion, reader));
 72  0
             streams.setResult(new GreekLowerCaseFilter(streams.getResult()));
 73  0
             if (doStopWords && stopSet != null) {
 74  0
                 streams.setResult(new StopFilter(StopFilter.getEnablePositionIncrementsVersionDefault(matchVersion), streams.getResult(), stopSet));
 75  
             }
 76  0
             setPreviousTokenStream(streams);
 77  
         } else {
 78  0
             streams.getSource().reset(reader);
 79  
         }
 80  0
         return streams.getResult();
 81  
     }
 82  
 
 83  0
     private final Version matchVersion = Version.LUCENE_29;
 84  
 }