1 /*
2 * $Source: /usr/cvsroot/melati/maven-dsd-plugin/src/main/java/org/melati/poem/prepro/StringUtils.java,v $
3 * $Revision: 1.1 $
4 *
5 * Copyright (C) 2000 William Chesters
6 *
7 * Part of Melati (http://melati.org), a framework for the rapid
8 * development of clean, maintainable web applications.
9 *
10 * Melati is free software; Permission is granted to copy, distribute
11 * and/or modify this software under the terms either:
12 *
13 * a) the GNU General Public License as published by the Free Software
14 * Foundation; either version 2 of the License, or (at your option)
15 * any later version,
16 *
17 * or
18 *
19 * b) any version of the Melati Software License, as published
20 * at http://melati.org
21 *
22 * You should have received a copy of the GNU General Public License and
23 * the Melati Software License along with this program;
24 * if not, write to the Free Software Foundation, Inc.,
25 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA to obtain the
26 * GNU General Public License and visit http://melati.org to obtain the
27 * Melati Software License.
28 *
29 * Feel free to contact the Developers of Melati (http://melati.org),
30 * if you would like to work out a different arrangement than the options
31 * outlined here. It is our intention to allow Melati to be used by as
32 * wide an audience as possible.
33 *
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
38 *
39 * Contact details for copyright holder:
40 *
41 * William Chesters <williamc At paneris.org>
42 * http://paneris.org/~williamc
43 * Obrechtstraat 114, 2517VX Den Haag, The Netherlands
44 */
45
46 package org.melati.poem.prepro;
47
48 /**
49 * An assortment of useful operations on <code>String</code>s.
50 *
51 */
52 public final class StringUtils {
53
54 private StringUtils() {}
55
56
57 /**
58 * Append a String to a StringBuffer, first quoting it with a quote
59 * character and escaping any occurances of the quote char in the String.
60 *
61 * @param b the buffer to append to
62 * @param s the String to append
63 * @param q the quote character
64 */
65 public static void appendQuoted(StringBuffer b, String s, char q) {
66 b.append(q);
67 appendEscaped(b, s, q);
68 b.append(q);
69 }
70
71 /**
72 * Surround a string in quotes.
73 *
74 * @param i the string to quote
75 * @param q The quote character to use
76 * @return the quoted string
77 */
78 public static String quoted(String i, char q) {
79 StringBuffer b = new StringBuffer();
80 appendQuoted(b, i, q);
81 return b.toString();
82 }
83
84 /**
85 * Append a String to a StringBuffer, and escaping any occurances
86 * of the char in the String.
87 *
88 * @param b the buffer to append to
89 * @param s the String to append
90 * @param e the character to escape
91 */
92 public static void appendEscaped(StringBuffer b, String s, char e) {
93 int l = s.length();
94 for (int i = 0; i < l; ++i) {
95 char c = s.charAt(i);
96 if (c == '\\' || c == e) {
97 // damn, found one; catch up to here ...
98
99 for (int j = 0; j < i; ++j)
100 b.append(s.charAt(j));
101 b.append('\\');
102 b.append(c);
103
104 // ... and continue
105
106 for (++i; i < l; ++i) {
107 c = s.charAt(i);
108 if (c == '\\' || c == e)
109 b.append('\\');
110 b.append(c);
111 }
112
113 return;
114 }
115 }
116
117 b.append(s);
118 }
119
120 /**
121 * Captialise the first character of the input string.
122 *
123 * @param name
124 * @return the capitalised string
125 */
126 public static String capitalised(String name) {
127 char suffix[] = name.toCharArray();
128 suffix[0] = Character.toUpperCase(suffix[0]);
129 return new String(suffix);
130 }
131
132 }