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Java > Open Source Codes > org > apache > lucene > analysis > WhitespaceTokenizer


1 package org.apache.lucene.analysis;
2
3 /**
4  * Copyright 2004 The Apache Software Foundation
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18
19 import java.io.Reader JavaDoc;
20
21 /** A WhitespaceTokenizer is a tokenizer that divides text at whitespace.
22  * Adjacent sequences of non-Whitespace characters form tokens. */
23
24 public class WhitespaceTokenizer extends CharTokenizer {
25   /** Construct a new WhitespaceTokenizer. */
26   public WhitespaceTokenizer(Reader JavaDoc in) {
27     super(in);
28   }
29
30   /** Collects only characters which do not satisfy
31    * {@link Character#isWhitespace(char)}.*/
32   protected boolean isTokenChar(char c) {
33     return !Character.isWhitespace(c);
34   }
35 }
36
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