/*
* Copyright 2004-2009 the original author or authors.
*
* 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 org.compass.core.lucene.engine.analyzer;
import java.io.Reader;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.TokenStream;
/**
* A simple analyzer wrapper, that adds a set of token filters created by the corresponding
* {@link LuceneAnalyzerTokenFilterProvider}s.
*
* @author kimchy
*/
public class LuceneAnalyzerFilterWrapper extends Analyzer {
private Analyzer analyzer;
private LuceneAnalyzerTokenFilterProvider[] filteresProviders;
public LuceneAnalyzerFilterWrapper(Analyzer analyzer, LuceneAnalyzerTokenFilterProvider[] filteresProviders) {
this.analyzer = analyzer;
this.filteresProviders = filteresProviders;
}
public TokenStream tokenStream(String fieldName, Reader reader) {
TokenStream result = analyzer.tokenStream(fieldName, reader);
for (LuceneAnalyzerTokenFilterProvider filteresProvider : filteresProviders) {
result = filteresProvider.createTokenFilter(result);
}
return result;
}
}