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Java > Open Source Codes > org > apache > fop > layout > hyphenation > Hyphen


1 /*
2  * $Id: Hyphen.java,v 1.3.2.1 2003/02/25 14:07:10 jeremias Exp $
3  * ============================================================================
4  * The Apache Software License, Version 1.1
5  * ============================================================================
6  *
7  * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without modifica-
10  * tion, are permitted provided that the following conditions are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright notice,
16  * this list of conditions and the following disclaimer in the documentation
17  * and/or other materials provided with the distribution.
18  *
19  * 3. The end-user documentation included with the redistribution, if any, must
20  * include the following acknowledgment: "This product includes software
21  * developed by the Apache Software Foundation (http://www.apache.org/)."
22  * Alternately, this acknowledgment may appear in the software itself, if
23  * and wherever such third-party acknowledgments normally appear.
24  *
25  * 4. The names "FOP" and "Apache Software Foundation" must not be used to
26  * endorse or promote products derived from this software without prior
27  * written permission. For written permission, please contact
28  * apache@apache.org.
29  *
30  * 5. Products derived from this software may not be called "Apache", nor may
31  * "Apache" appear in their name, without prior written permission of the
32  * Apache Software Foundation.
33  *
34  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
35  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
36  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
37  * APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
38  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
39  * DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
40  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
41  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
42  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
43  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
44  * ============================================================================
45  *
46  * This software consists of voluntary contributions made by many individuals
47  * on behalf of the Apache Software Foundation and was originally created by
48  * James Tauber <jtauber@jtauber.com>. For more information on the Apache
49  * Software Foundation, please see <http://www.apache.org/>.
50  */
51 package org.apache.fop.layout.hyphenation;
52
53 import java.io.Serializable JavaDoc;
54
55 /**
56  * This class represents a hyphen. A 'full' hyphen is made of 3 parts:
57  * the pre-break text, post-break text and no-break. If no line-break
58  * is generated at this position, the no-break text is used, otherwise,
59  * pre-break and post-break are used. Typically, pre-break is equal to
60  * the hyphen character and the others are empty. However, this general
61  * scheme allows support for cases in some languages where words change
62  * spelling if they're split across lines, like german's 'backen' which
63  * hyphenates 'bak-ken'. BTW, this comes from TeX.
64  *
65  * @author Carlos Villegas <cav@uniscope.co.jp>
66  */
67
68 public class Hyphen implements Serializable JavaDoc {
69     public String JavaDoc preBreak;
70     public String JavaDoc noBreak;
71     public String JavaDoc postBreak;
72
73     Hyphen(String JavaDoc pre, String JavaDoc no, String JavaDoc post) {
74         preBreak = pre;
75         noBreak = no;
76         postBreak = post;
77     }
78
79     Hyphen(String JavaDoc pre) {
80         preBreak = pre;
81         noBreak = null;
82         postBreak = null;
83     }
84
85     public String JavaDoc toString() {
86         if (noBreak == null && postBreak == null && preBreak != null
87                 && preBreak.equals("-"))
88             return "-";
89         StringBuffer JavaDoc res = new StringBuffer JavaDoc("{");
90         res.append(preBreak);
91         res.append("}{");
92         res.append(postBreak);
93         res.append("}{");
94         res.append(noBreak);
95         res.append('}');
96         return res.toString();
97     }
98
99 }
100
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