01: package org.apache.lucene.analysis;
02:
03: /**
04: * Licensed to the Apache Software Foundation (ASF) under one or more
05: * contributor license agreements. See the NOTICE file distributed with
06: * this work for additional information regarding copyright ownership.
07: * The ASF licenses this file to You under the Apache License, Version 2.0
08: * (the "License"); you may not use this file except in compliance with
09: * the License. You may obtain a copy of the License at
10: *
11: * http://www.apache.org/licenses/LICENSE-2.0
12: *
13: * Unless required by applicable law or agreed to in writing, software
14: * distributed under the License is distributed on an "AS IS" BASIS,
15: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16: * See the License for the specific language governing permissions and
17: * limitations under the License.
18: */
19:
20: import java.io.IOException;
21: import java.io.Reader;
22:
23: /**
24: * "Tokenizes" the entire stream as a single token. This is useful
25: * for data like zip codes, ids, and some product names.
26: */
27: public class KeywordAnalyzer extends Analyzer {
28: public TokenStream tokenStream(String fieldName, final Reader reader) {
29: return new KeywordTokenizer(reader);
30: }
31:
32: public TokenStream reusableTokenStream(String fieldName,
33: final Reader reader) throws IOException {
34: Tokenizer tokenizer = (Tokenizer) getPreviousTokenStream();
35: if (tokenizer == null) {
36: tokenizer = new KeywordTokenizer(reader);
37: setPreviousTokenStream(tokenizer);
38: } else
39: tokenizer.reset(reader);
40: return tokenizer;
41: }
42: }
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