01: /*
02: * Copyright (c) 2004 JETA Software, Inc. All rights reserved.
03: *
04: * Redistribution and use in source and binary forms, with or without modification,
05: * are permitted provided that the following conditions are met:
06: *
07: * o Redistributions of source code must retain the above copyright notice,
08: * this list of conditions and the following disclaimer.
09: *
10: * o Redistributions in binary form must reproduce the above copyright notice,
11: * this list of conditions and the following disclaimer in the documentation
12: * and/or other materials provided with the distribution.
13: *
14: * o Neither the name of JETA Software nor the names of its contributors may
15: * be used to endorse or promote products derived from this software without
16: * specific prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21: * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
22: * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23: * INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24: * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
25: * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26: * INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27: * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28: */
29:
30: package com.jeta.forms.gui.common;
31:
32: /**
33: * This is a catch-all exception for parts of the application. Because java
34: * beans are used extensively, a lot of reflection and introspection exceptions
35: * are thrown. Instead of catching all of these, we will just wrap them and
36: * rethrow as a FormException.
37: *
38: * @author Jeff Tassin
39: */
40: public class FormException extends Exception {
41: private Exception m_error;
42:
43: /**
44: * Creates a <code>FormException</code> with the specified exception
45: * information.
46: *
47: * @param e
48: * the original cause of the exception
49: */
50: public FormException(Exception e) {
51: super (createMessage(null, e));
52: m_error = e;
53: }
54:
55: /**
56: * Creates a <code>FormException</code> with the specified message and
57: * exception information.
58: *
59: * @param msg
60: * a message to add to the exception message
61: * @param e
62: * the original cause of the xception
63: */
64: public FormException(String msg, Exception e) {
65: super (createMessage(msg, e));
66: m_error = e;
67: }
68:
69: /**
70: * Returns the source exception. This can be null.
71: */
72: public Exception getSourceException() {
73: return m_error;
74: }
75:
76: /**
77: * Creates an exception message using the specified message and source
78: * exception.
79: */
80: private static String createMessage(String msg, Exception e) {
81: StringBuffer sbuff = new StringBuffer();
82: if (msg != null) {
83: sbuff.append(msg);
84: sbuff.append("\n");
85: }
86: String emsg = e.getMessage();
87: if (emsg != null) {
88: sbuff.append(e.getMessage());
89: }
90: return sbuff.toString();
91: }
92: }
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