1 /*
2 * $Source$
3 * $Revision$
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@paneris.org>
42 * http://paneris.org/~williamc
43 * Obrechtstraat 114, 2517VX Den Haag, The Netherlands
44 */
45
46 package org.melati.poem;
47
48 /**
49 * Thrown when a {@link Field}'s value does not meet its contract.
50 *
51 * @author WilliamC AT paneris.org
52 */
53 public class ValidationPoemException extends NormalPoemException {
54
55 /** Type we are trying to assign to. */
56 public PoemType<?> type;
57 /** Value that will not be coerced. */
58 public Object value;
59
60 /** Constructor. */
61 public ValidationPoemException(PoemType<?> type, Object value,
62 Exception exception) {
63 super(exception);
64 this.type = type;
65 this.value = value;
66 }
67
68 /** Constructor. */
69 public ValidationPoemException(PoemType<?> type, Object value) {
70 this(type, value, null);
71 }
72
73 /**
74 * @return The detail message
75 * @see java.lang.Throwable#getMessage()
76 */
77 public String getMessage() {
78 return "The value `" + value + "' is not legal for the type " + type +
79 (subException == null ? "" : "\n" + subException);
80 }
81 }