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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  }