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.Reader;
21: import java.io.IOException;
22:
23: /** An Analyzer that uses WhitespaceTokenizer. */
24:
25: public final class WhitespaceAnalyzer extends Analyzer {
26: public TokenStream tokenStream(String fieldName, Reader reader) {
27: return new WhitespaceTokenizer(reader);
28: }
29:
30: public TokenStream reusableTokenStream(String fieldName,
31: Reader reader) throws IOException {
32: Tokenizer tokenizer = (Tokenizer) getPreviousTokenStream();
33: if (tokenizer == null) {
34: tokenizer = new WhitespaceTokenizer(reader);
35: setPreviousTokenStream(tokenizer);
36: } else
37: tokenizer.reset(reader);
38: return tokenizer;
39: }
40: }
|