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1 /***
2 * ClassInfoException.java
3 *
4 * Project: Dependency Tool
5 *
6 * WHEN WHO WHAT
7 * 06.06.2003 pko initial public release
8 * 22.01.2002 ctr modification
9 * 08.01.2002 ctr creation
10 *
11 * Copyright 2003 ELCA Informatique SA
12 * Av. de la Harpe 22-24, 1000 Lausanne 13, Switzerland
13 * www.elca.ch
14 *
15 * This library is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU Lesser General Public License
17 * as published by the Free Software Foundation; either version 2.1 of
18 * the License, or (at your option) any later version.
19 *
20 * This library is distributed in the hope that it will be useful, but
21 * WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23 * Lesser General Public License for more details.
24 *
25 * You should have received a copy of the GNU Lesser General Public
26 * License along with this library; if not, write to the Free Software
27 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
28 * USA
29 */
30
31 package ch.elca.dependency.exception;
32
33 /***
34 * If the class informations of the analyzed .class file is not proper or not
35 * complete a <code>ClassInfoException</code> is thrown.<br>
36 * Because every class in a project should contain a package statement, the
37 * analyse is stopped.
38 *
39 * @see ch.elca.dependency.rawmodel.classinfo.ClassInfo
40 *
41 * @author Christoph Trutmann
42 * @version 1.0-beta
43 */
44 public class ClassInfoException extends Exception {
45
46 /***
47 * Standard error message.
48 */
49 private String m_message = "A class cannot be read properly.";
50
51 /***
52 * Constructor - Calls the constructor of the supperclass with no arguments.
53 */
54 public ClassInfoException() {
55 super();
56 }
57
58 /***
59 * Constructor with a specific message string. Calls the corresponding
60 * constructor of the superclass.
61 *
62 * @param msg Message string specified by the user.
63 */
64 public ClassInfoException(String msg) {
65 super(msg);
66 }
67
68 /***
69 * Gets the message of the wrapped class and displays it with the standard
70 * message of this exception.
71 *
72 * @return A message string composed of the standard message of this class
73 * plus the message of the wrapped <code>Exception</code>.
74 */
75 public String getMessage() {
76 if( super.getMessage() == null ){
77 return m_message;
78 } else {
79 return super.getMessage();
80 }
81 }
82 }
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