LogConfigurationException.java revision 069490a5ca2fd1988d29daf45d892f47ad665115 
1/*
2 * Copyright 2001-2004 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
17package org.apache.commons.logging;
18
19
20/**
21 * <p>An exception that is thrown only if a suitable <code>LogFactory</code>
22 * or <code>Log</code> instance cannot be created by the corresponding
23 * factory methods.</p>
24 *
25 * @author Craig R. McClanahan
26 * @version $Revision: 155426 $ $Date: 2005-02-26 13:10:49 +0000 (Sat, 26 Feb 2005) $
27 */
28
29public class LogConfigurationException extends RuntimeException {
30
31
32    /**
33     * Construct a new exception with <code>null</code> as its detail message.
34     */
35    public LogConfigurationException() {
36
37        super();
38
39    }
40
41
42    /**
43     * Construct a new exception with the specified detail message.
44     *
45     * @param message The detail message
46     */
47    public LogConfigurationException(String message) {
48
49        super(message);
50
51    }
52
53
54    /**
55     * Construct a new exception with the specified cause and a derived
56     * detail message.
57     *
58     * @param cause The underlying cause
59     */
60    public LogConfigurationException(Throwable cause) {
61
62        this((cause == null) ? null : cause.toString(), cause);
63
64    }
65
66
67    /**
68     * Construct a new exception with the specified detail message and cause.
69     *
70     * @param message The detail message
71     * @param cause The underlying cause
72     */
73    public LogConfigurationException(String message, Throwable cause) {
74
75        super(message + " (Caused by " + cause + ")");
76        this.cause = cause; // Two-argument version requires JDK 1.4 or later
77
78    }
79
80
81    /**
82     * The underlying cause of this exception.
83     */
84    protected Throwable cause = null;
85
86
87    /**
88     * Return the underlying cause of this exception (if any).
89     */
90    public Throwable getCause() {
91
92        return (this.cause);
93
94    }
95
96
97}
98