package org.apache.lucene.analysis.util;
/*
* 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.
*/
import java.io.IOException;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.fr.FrenchAnalyzer;
/**
* Factory for {@link ElisionFilter}.
* <pre class="prettyprint" >
* <fieldType name="text_elsn" class="solr.TextField" positionIncrementGap="100">
* <analyzer>
* <tokenizer class="solr.StandardTokenizerFactory"/>
* <filter class="solr.LowerCaseFilterFactory"/>
* <filter class="solr.ElisionFilterFactory"
* articles="stopwordarticles.txt" ignoreCase="true"/>
* </analyzer>
* </fieldType></pre>
*
*/
public class ElisionFilterFactory extends TokenFilterFactory implements ResourceLoaderAware, MultiTermAwareComponent {
private CharArraySet articles;
public void inform(ResourceLoader loader) throws IOException {
String articlesFile = args.get("articles");
boolean ignoreCase = getBoolean("ignoreCase", false);
if (articlesFile != null) {
articles = getWordSet(loader, articlesFile, ignoreCase);
}
if (articles == null) {
articles = FrenchAnalyzer.DEFAULT_ARTICLES;
}
}
public ElisionFilter create(TokenStream input) {
return new ElisionFilter(input, articles);
}
@Override
public AbstractAnalysisFactory getMultiTermComponent() {
return this;
}
}