/* * Copyright (c) 2011 LinkedIn, Inc * * Licensed 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 com.flaptor.indextank.query.analyzers; import java.util.Map; import org.apache.lucene.analysis.TokenFilter; import org.apache.lucene.analysis.TokenStream; import org.apache.lucene.analysis.snowball.SnowballFilter; public class StemmerFilter extends AnalyzerFilter { private String stemmerName; public StemmerFilter(String stemmerName) { this.stemmerName = stemmerName; } @Override public TokenFilter filter(TokenStream stream) { return new SnowballFilter(stream, stemmerName); } public static StemmerFilter buildFilter(Map<Object, Object> configuration) { return new StemmerFilter((String)configuration.get("stemmerName")); } }