/**
* 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.solr.analysis;
import org.apache.solr.common.ResourceLoader;
import org.apache.solr.util.plugin.ResourceLoaderAware;
import org.apache.lucene.analysis.CharArraySet;
import org.apache.lucene.analysis.fr.*;
import java.io.IOException;
import org.apache.lucene.analysis.TokenStream;
/**
* 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"/>
* </analyzer>
* </fieldType></pre>
* @version $Id: ElisionFilterFactory.java 1074243 2011-02-24 18:07:16Z rmuir $
*/
public class ElisionFilterFactory extends BaseTokenFilterFactory implements ResourceLoaderAware {
private CharArraySet articles;
public void inform(ResourceLoader loader) {
String articlesFile = args.get("articles");
if (articlesFile != null) {
try {
articles = getWordSet(loader, articlesFile, false);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
public ElisionFilter create(TokenStream input) {
assureMatchVersion();
return articles == null ? new ElisionFilter(luceneMatchVersion,input) :
new ElisionFilter(luceneMatchVersion,input,articles);
}
}