|
|||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
ServletException.java | - | 0% | 0% | 0% |
|
1 | /* | |
2 | * Copyright 2004 The Apache Software Foundation | |
3 | * | |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
15 | */ | |
16 | package javax.servlet; | |
17 | ||
18 | ||
19 | /** | |
20 | * Defines a general exception a servlet can throw when it | |
21 | * encounters difficulty. | |
22 | * | |
23 | * @author Various | |
24 | * @version $Version$ | |
25 | * | |
26 | */ | |
27 | ||
28 | ||
29 | public class ServletException extends Exception { | |
30 | ||
31 | private Throwable rootCause; | |
32 | ||
33 | ||
34 | ||
35 | ||
36 | ||
37 | /** | |
38 | * Constructs a new servlet exception. | |
39 | * | |
40 | */ | |
41 | ||
42 | 0 | public ServletException() { |
43 | 0 | super(); |
44 | } | |
45 | ||
46 | ||
47 | ||
48 | ||
49 | ||
50 | /** | |
51 | * Constructs a new servlet exception with the | |
52 | * specified message. The message can be written | |
53 | * to the server log and/or displayed for the user. | |
54 | * | |
55 | * @param message a <code>String</code> | |
56 | * specifying the text of | |
57 | * the exception message | |
58 | * | |
59 | */ | |
60 | ||
61 | 0 | public ServletException(String message) { |
62 | 0 | super(message); |
63 | } | |
64 | ||
65 | ||
66 | ||
67 | ||
68 | ||
69 | /** | |
70 | * Constructs a new servlet exception when the servlet | |
71 | * needs to throw an exception and include a message | |
72 | * about the "root cause" exception that interfered with its | |
73 | * normal operation, including a description message. | |
74 | * | |
75 | * | |
76 | * @param message a <code>String</code> containing | |
77 | * the text of the exception message | |
78 | * | |
79 | * @param rootCause the <code>Throwable</code> exception | |
80 | * that interfered with the servlet's | |
81 | * normal operation, making this servlet | |
82 | * exception necessary | |
83 | * | |
84 | */ | |
85 | ||
86 | 0 | public ServletException(String message, Throwable rootCause) { |
87 | 0 | super(message); |
88 | 0 | this.rootCause = rootCause; |
89 | } | |
90 | ||
91 | ||
92 | ||
93 | ||
94 | ||
95 | /** | |
96 | * Constructs a new servlet exception when the servlet | |
97 | * needs to throw an exception and include a message | |
98 | * about the "root cause" exception that interfered with its | |
99 | * normal operation. The exception's message is based on the localized | |
100 | * message of the underlying exception. | |
101 | * | |
102 | * <p>This method calls the <code>getLocalizedMessage</code> method | |
103 | * on the <code>Throwable</code> exception to get a localized exception | |
104 | * message. When subclassing <code>ServletException</code>, | |
105 | * this method can be overridden to create an exception message | |
106 | * designed for a specific locale. | |
107 | * | |
108 | * @param rootCause the <code>Throwable</code> exception | |
109 | * that interfered with the servlet's | |
110 | * normal operation, making the servlet exception | |
111 | * necessary | |
112 | * | |
113 | */ | |
114 | ||
115 | 0 | public ServletException(Throwable rootCause) { |
116 | 0 | super(rootCause.getLocalizedMessage()); |
117 | 0 | this.rootCause = rootCause; |
118 | } | |
119 | ||
120 | ||
121 | ||
122 | ||
123 | ||
124 | /** | |
125 | * Returns the exception that caused this servlet exception. | |
126 | * | |
127 | * | |
128 | * @return the <code>Throwable</code> | |
129 | * that caused this servlet exception | |
130 | * | |
131 | */ | |
132 | ||
133 | 0 | public Throwable getRootCause() { |
134 | 0 | return rootCause; |
135 | } | |
136 | } | |
137 | ||
138 | ||
139 | ||
140 | ||
141 |
|