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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/*
* Copyright 2000-2004 Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.tools.ant;
import java.io.PrintStream;
import java.io.PrintWriter;
/**
* Signals an error condition during a build
*
* @author James Duncan Davidson
*/
public class BuildException extends RuntimeException {
/** Exception that might have caused this one. */
private Throwable cause;
/** Location in the build file where the exception occurred */
private Location location = Location.UNKNOWN_LOCATION;
/**
* Constructs a build exception with no descriptive information.
*/
public BuildException() {
super();
}
/**
* Constructs an exception with the given descriptive message.
*
* @param message A description of or information about the exception.
* Should not be <code>null</code>.
*/
public BuildException(String message) {
super(message);
}
/**
* Constructs an exception with the given message and exception as
* a root cause.
*
* @param message A description of or information about the exception.
* Should not be <code>null</code> unless a cause is specified.
* @param cause The exception that might have caused this one.
* May be <code>null</code>.
*/
public BuildException(String message, Throwable cause) {
super(message);
this.cause = cause;
}
/**
* Constructs an exception with the given message and exception as
* a root cause and a location in a file.
*
* @param msg A description of or information about the exception.
* Should not be <code>null</code> unless a cause is specified.
* @param cause The exception that might have caused this one.
* May be <code>null</code>.
* @param location The location in the project file where the error
* occurred. Must not be <code>null</code>.
*/
public BuildException(String msg, Throwable cause, Location location) {
this(msg, cause);
this.location = location;
}
/**
* Constructs an exception with the given exception as a root cause.
*
* @param cause The exception that might have caused this one.
* Should not be <code>null</code>.
*/
public BuildException(Throwable cause) {
super(cause.toString());
this.cause = cause;
}
/**
* Constructs an exception with the given descriptive message and a
* location in a file.
*
* @param message A description of or information about the exception.
* Should not be <code>null</code>.
* @param location The location in the project file where the error
* occurred. Must not be <code>null</code>.
*/
public BuildException(String message, Location location) {
super(message);
this.location = location;
}
/**
* Constructs an exception with the given exception as
* a root cause and a location in a file.
*
* @param cause The exception that might have caused this one.
* Should not be <code>null</code>.
* @param location The location in the project file where the error
* occurred. Must not be <code>null</code>.
*/
public BuildException(Throwable cause, Location location) {
this(cause);
this.location = location;
}
/**
* Returns the nested exception, if any.
*
* @return the nested exception, or <code>null</code> if no
* exception is associated with this one
*/
public Throwable getException() {
return cause;
}
/**
* Returns the nested exception, if any.
*
* @return the nested exception, or <code>null</code> if no
* exception is associated with this one
*/
public Throwable getCause() {
return getException();
}
/**
* Returns the location of the error and the error message.
*
* @return the location of the error and the error message
*/
public String toString() {
return location.toString() + getMessage();
}
/**
* Sets the file location where the error occurred.
*
* @param location The file location where the error occurred.
* Must not be <code>null</code>.
*/
public void setLocation(Location location) {
this.location = location;
}
/**
* Returns the file location where the error occurred.
*
* @return the file location where the error occurred.
*/
public Location getLocation() {
return location;
}
/**
* Prints the stack trace for this exception and any
* nested exception to <code>System.err</code>.
*/
public void printStackTrace() {
printStackTrace(System.err);
}
/**
* Prints the stack trace of this exception and any nested
* exception to the specified PrintStream.
*
* @param ps The PrintStream to print the stack trace to.
* Must not be <code>null</code>.
*/
public void printStackTrace(PrintStream ps) {
synchronized (ps) {
super.printStackTrace(ps);
if (cause != null) {
ps.println("--- Nested Exception ---");
cause.printStackTrace(ps);
}
}
}
/**
* Prints the stack trace of this exception and any nested
* exception to the specified PrintWriter.
*
* @param pw The PrintWriter to print the stack trace to.
* Must not be <code>null</code>.
*/
public void printStackTrace(PrintWriter pw) {
synchronized (pw) {
super.printStackTrace(pw);
if (cause != null) {
pw.println("--- Nested Exception ---");
cause.printStackTrace(pw);
}
}
}
}
|