| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| package org.apache.lucene.analysis.util; |
| |
| import java.io.IOException; |
| import java.io.StringReader; |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.analysis.BaseTokenStreamTestCase; |
| import org.apache.lucene.analysis.CharArraySet; |
| import org.apache.lucene.analysis.TokenFilter; |
| import org.apache.lucene.analysis.Tokenizer; |
| import org.apache.lucene.analysis.core.KeywordTokenizer; |
| import org.apache.lucene.analysis.fr.FrenchAnalyzer; |
| import org.apache.lucene.analysis.standard.StandardTokenizer; |
| import org.apache.lucene.analysis.tokenattributes.CharTermAttribute; |
| |
| /** */ |
| public class TestElision extends BaseTokenStreamTestCase { |
| |
| public void testElision() throws Exception { |
| String test = "Plop, juste pour voir l'embrouille avec O'brian. M'enfin."; |
| Tokenizer tokenizer = new StandardTokenizer(newAttributeFactory()); |
| tokenizer.setReader(new StringReader(test)); |
| CharArraySet articles = new CharArraySet(asSet("l", "M"), false); |
| TokenFilter filter = new ElisionFilter(tokenizer, articles); |
| List<String> tas = filter(filter); |
| assertEquals("embrouille", tas.get(4)); |
| assertEquals("O'brian", tas.get(6)); |
| assertEquals("enfin", tas.get(7)); |
| } |
| |
| private List<String> filter(TokenFilter filter) throws IOException { |
| List<String> tas = new ArrayList<>(); |
| CharTermAttribute termAtt = filter.getAttribute(CharTermAttribute.class); |
| filter.reset(); |
| while (filter.incrementToken()) { |
| tas.add(termAtt.toString()); |
| } |
| filter.end(); |
| filter.close(); |
| return tas; |
| } |
| |
| public void testEmptyTerm() throws IOException { |
| Analyzer a = |
| new Analyzer() { |
| @Override |
| protected TokenStreamComponents createComponents(String fieldName) { |
| Tokenizer tokenizer = new KeywordTokenizer(); |
| return new TokenStreamComponents( |
| tokenizer, new ElisionFilter(tokenizer, FrenchAnalyzer.DEFAULT_ARTICLES)); |
| } |
| }; |
| checkOneTerm(a, "", ""); |
| a.close(); |
| } |
| } |