1 /*
2 * $Source$
3 * $Revision$
4 *
5 * Copyright (C) 2000 Tim Joyce
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 * Tim Joyce <timj At paneris.org>
42 * http://paneris.org/
43 * 68 Sandbanks Rd, Poole, Dorset. BH14 8BY. UK
44 */
45
46 package org.melati.util;
47
48 import java.security.MessageDigest;
49 import org.melati.Melati;
50
51 /**
52 * MD5 - utils for encoding using MD5.
53 */
54
55 public final class MD5Util {
56
57 private MD5Util() {
58 }
59
60 /**
61 * Encode a String.
62 *
63 * @param in
64 * the String to encode
65 * @return the encoded String
66 */
67 public static String encode(String in) {
68 try {
69 MessageDigest md = MessageDigest.getInstance("MD5");
70 byte[] digest = md.digest(in.getBytes(Melati.DEFAULT_ENCODING));
71 return new String(digest, Melati.DEFAULT_ENCODING);
72 } catch (Exception e) {
73 throw new MelatiBugMelatiException(
74 "For some reason I couldn't encode the password!",
75 e);
76 }
77 }
78
79 }