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* this work for additional information regarding copyright
* ownership. Elasticsearch 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
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package org.elasticsearch.index.analysis;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.ja.JapanesePartOfSpeechStopFilter;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.env.Environment;
import org.elasticsearch.index.IndexSettings;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class KuromojiPartOfSpeechFilterFactory extends AbstractTokenFilterFactory {
private final Set<String> stopTags = new HashSet<String>();
public KuromojiPartOfSpeechFilterFactory(IndexSettings indexSettings, Environment env, String name, Settings settings) {
super(indexSettings, name, settings);
List<String> wordList = Analysis.getWordList(env, settings, "stoptags");
if (wordList != null) {
stopTags.addAll(wordList);
}
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new JapanesePartOfSpeechStopFilter(tokenStream, stopTags);
}
}