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   {
27    protected Throwable   rootCause;
28    
29    public
30    PropertySetterException(String   msg) {
31      super(msg);
32    }
33    
34    public
35    PropertySetterException(Throwable   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   getMessage() {
46      String   msg = super.getMessage();
47      if (msg == null && rootCause != null) {
48        msg = rootCause.getMessage();
49      }
50      return msg;
51    }
52  }
53

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