package org.apache.solr.analysis;
/**
* 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 org.apache.lucene.analysis.ngram.EdgeNGramTokenizer;
import java.io.Reader;
import java.util.Map;
/**
* Creates new instances of {@link EdgeNGramTokenizer}.
*/
public class EdgeNGramTokenizerFactory extends BaseTokenizerFactory {
private int maxGramSize = 0;
private int minGramSize = 0;
private String side;
@Override
public void init(Map<String, String> args) {
super.init(args);
String maxArg = args.get("maxGramSize");
maxGramSize = (maxArg != null ? Integer.parseInt(maxArg) : EdgeNGramTokenizer.DEFAULT_MAX_GRAM_SIZE);
String minArg = args.get("minGramSize");
minGramSize = (minArg != null ? Integer.parseInt(minArg) : EdgeNGramTokenizer.DEFAULT_MIN_GRAM_SIZE);
side = args.get("side");
if (side == null) {
side = EdgeNGramTokenizer.Side.FRONT.getLabel();
}
}
public EdgeNGramTokenizer create(Reader input) {
return new EdgeNGramTokenizer(input, side, minGramSize, maxGramSize);
}
}