blob: 041a216a3f3ec87fa9f582e9ba21b7298074ef92 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
/*
Wotonomy: OpenStep design patterns for pure Java applications.
Copyright (C) 2000 Michael Powers
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see http://www.gnu.org
*/
package net.wotonomy.foundation.internal;
import java.io.PrintStream;
import java.io.PrintWriter;
/**
* This is a simple RuntimeException that can encapsulate another throwable.
* Behaves as a normal RuntimeException except that it prints a stack trace of
* the wrapped throwable if one is specified.
*
* Intended to be used any time you'd report an exception with
* System.out.println: that is, for debugging and non-user-visible exceptions.
*
* @author michael@mpowers.net
* @author $Author: cgruber $
* @version $Revision: 893 $
*/
public class WotonomyException extends RuntimeException {
private static final long serialVersionUID = -7267633105344041941L;
protected String message;
protected Throwable wrappedThrowable;
/**
* Default constructor.
*/
public WotonomyException() {
super();
message = null;
wrappedThrowable = null;
}
/**
* Standard constructor with message.
*/
public WotonomyException(String aMessage) {
super(aMessage);
message = aMessage;
wrappedThrowable = null;
}
/**
* Specifies a throwable to wrap.
*/
public WotonomyException(Throwable aThrowable) {
super();
message = null;
wrappedThrowable = aThrowable;
}
/**
* Specifies a message and a throwable to wrap.
*/
public WotonomyException(String aMessage, Throwable aThrowable) {
super(aMessage);
message = aMessage;
wrappedThrowable = aThrowable;
}
/**
* Returns the wrapped throwable.
*/
public Throwable getWrappedThrowable() {
return wrappedThrowable;
}
@Override
public void printStackTrace(PrintWriter s) {
if (message != null) {
s.println("Exception: " + message);
}
if (wrappedThrowable != null) {
wrappedThrowable.printStackTrace(s);
return;
}
super.printStackTrace(s);
}
@Override
public void printStackTrace(PrintStream s) {
if (message != null) {
s.println("Exception: " + message);
}
if (wrappedThrowable != null) {
wrappedThrowable.printStackTrace(s);
return;
}
super.printStackTrace(s);
}
@Override
public void printStackTrace() {
if (message != null) {
System.err.println("Exception: " + message);
}
if (wrappedThrowable != null) {
wrappedThrowable.printStackTrace();
return;
}
super.printStackTrace();
}
}
|
