01: /*
02: * Copyright 2004-2006 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16:
17: package org.compass.core.lucene.engine.analyzer;
18:
19: import java.io.Reader;
20:
21: import org.apache.lucene.analysis.Analyzer;
22: import org.apache.lucene.analysis.TokenStream;
23:
24: /**
25: * A simple analyzer wrapper, that adds a set of token filters created by the corresponding
26: * {@link LuceneAnalyzerTokenFilterProvider}s.
27: *
28: * @author kimchy
29: */
30: public class LuceneAnalyzerFilterWrapper extends Analyzer {
31:
32: private Analyzer analyzer;
33:
34: private LuceneAnalyzerTokenFilterProvider[] filteresProviders;
35:
36: public LuceneAnalyzerFilterWrapper(Analyzer analyzer,
37: LuceneAnalyzerTokenFilterProvider[] filteresProviders) {
38: this .analyzer = analyzer;
39: this .filteresProviders = filteresProviders;
40: }
41:
42: public TokenStream tokenStream(String fieldName, Reader reader) {
43: TokenStream result = analyzer.tokenStream(fieldName, reader);
44: for (int i = 0; i < filteresProviders.length; i++) {
45: result = filteresProviders[i].createTokenFilter(result);
46: }
47: return result;
48: }
49: }
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