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LineSplitFilter.java | 0% | 0% | 0% | 0% |
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1 | /* | |
2 | * Copyright (c) 2001-2004, | |
3 | * RedVerst Group, ISP RAS http://www.ispras.ru | |
4 | * All rights reserved. | |
5 | * | |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions are met: | |
8 | * | |
9 | * 1. Redistributions of source code must retain the above copyright notice, this | |
10 | * list of conditions and the following disclaimer. | |
11 | * | |
12 | * 2. Redistributions in binary form must reproduce the above copyright notice, | |
13 | * this list of conditions and the following disclaimer in the documentation | |
14 | * and/or other materials provided with the distribution. | |
15 | * | |
16 | * 3. The names "ATP", "TreeDL", "RedVerst", "ISP RAS" | |
17 | * may not be used to endorse or promote products derived from this software | |
18 | * without specific prior written permission. | |
19 | * | |
20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | |
21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
22 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
23 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR | |
24 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
25 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
26 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | |
27 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
29 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
30 | */ | |
31 | ||
32 | package com.unitesk.atp.text.filters; | |
33 | ||
34 | /** | |
35 | * The filter that receives strings containing line separators | |
36 | * splits them into strings without line separators and line separatos | |
37 | * and passes all to the client. | |
38 | * | |
39 | * @author <A href="mailto:demakov@ispras.ru">Alexey Demakov</A> | |
40 | * @version $Id: LineSplitFilter.java,v 1.1 2004/10/09 06:36:40 all-x Exp $ | |
41 | */ | |
42 | public class LineSplitFilter extends Filter | |
43 | { | |
44 | /** | |
45 | * Constructs line split filter. | |
46 | * | |
47 | * @param client the client of this filter | |
48 | */ | |
49 | 0 | public LineSplitFilter( TextReceiver client ) |
50 | { | |
51 | 0 | super( client ); |
52 | } | |
53 | ||
54 | /** | |
55 | * Receives a string possible containing line separators. | |
56 | * Splits it to strings without line separators and line separators | |
57 | * and passes them to the client. | |
58 | * | |
59 | * @param s the string to split | |
60 | * @throws NullPointerException | |
61 | * if <code>s</code> is <code>null</code> | |
62 | */ | |
63 | 0 | public void txt( String s ) |
64 | { | |
65 | 0 | int l = s.length(); |
66 | ||
67 | 0 | for( int i = 0; i < l; ) |
68 | { | |
69 | 0 | int j = s.indexOf( endl, i ); |
70 | 0 | if( j < 0 ) j = l; |
71 | 0 | if( i < j ) |
72 | { | |
73 | 0 | client.txt( s.substring( i, j ) ); |
74 | 0 | i = j; |
75 | } else { | |
76 | 0 | client.nl(); |
77 | 0 | i += endl.length(); |
78 | } | |
79 | } | |
80 | } | |
81 | ||
82 | //-------------------------------------------------------------------------- | |
83 | // implementation | |
84 | ||
85 | /** | |
86 | * The line separator | |
87 | */ | |
88 | private static final String endl = System.getProperty( "line.separator" ); | |
89 | } |
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