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Java > Open Source Codes > org > apache > log4j > config > PropertySetterException


1 /*
2  * Copyright 1999-2005 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
17 package org.apache.log4j.config;
18
19 /**
20  * Thrown when an error is encountered whilst attempting to set a property
21  * using the {@link PropertySetter} utility class.
22  *
23  * @author Anders Kristensen
24  * @since 1.1
25  */

26 public class PropertySetterException extends Exception JavaDoc {
27   protected Throwable JavaDoc rootCause;
28   
29   public
30   PropertySetterException(String JavaDoc msg) {
31     super(msg);
32   }
33   
34   public
35   PropertySetterException(Throwable JavaDoc rootCause)
36   {
37     super();
38     this.rootCause = rootCause;
39   }
40   
41   /**
42      Returns descriptive text on the cause of this exception.
43    */

44   public
45   String JavaDoc getMessage() {
46     String JavaDoc msg = super.getMessage();
47     if (msg == null && rootCause != null) {
48       msg = rootCause.getMessage();
49     }
50     return msg;
51   }
52 }
53
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