org.apache.solr.analysis.TokenizerChain Maven / Gradle / Ivy
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/**
* 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.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.CharStream;
import org.apache.lucene.analysis.CharReader;
import org.apache.lucene.analysis.Tokenizer;
import java.io.Reader;
import java.io.IOException;
/**
* @version $Id: TokenizerChain.java 805263 2009-08-18 02:50:49Z yonik $
*/
//
// An analyzer that uses a tokenizer and a list of token filters to
// create a TokenStream.
//
public class TokenizerChain extends SolrAnalyzer {
final private CharFilterFactory[] charFilters;
final private TokenizerFactory tokenizer;
final private TokenFilterFactory[] filters;
public TokenizerChain(TokenizerFactory tokenizer, TokenFilterFactory[] filters) {
this(null,tokenizer,filters);
}
public TokenizerChain(CharFilterFactory[] charFilters, TokenizerFactory tokenizer, TokenFilterFactory[] filters) {
this.charFilters = charFilters;
this.tokenizer = tokenizer;
this.filters = filters;
}
public CharFilterFactory[] getCharFilterFactories() { return charFilters; }
public TokenizerFactory getTokenizerFactory() { return tokenizer; }
public TokenFilterFactory[] getTokenFilterFactories() { return filters; }
@Override
public Reader charStream(Reader reader){
if( charFilters != null && charFilters.length > 0 ){
CharStream cs = CharReader.get( reader );
for (int i=0; i