View Javadoc

1   /*
2    * Copyright 2002-2004 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 org.apache.commons.clazz;
17  
18  /***
19   * Thrown when an attempt to invoke an method via reflection fails.
20   * 
21   * @author <a href="mailto:dmitri@apache.org">Dmitri Plotnikov</a>
22   * @version $Id: ClazzAccessException.java,v 1.4 2004/02/19 23:58:37 scolebourne Exp $
23   */
24  public class ClazzAccessException extends RuntimeException {
25  
26      private Throwable cause;
27      
28      /***
29       * Constructor for ReflectedAccessException.
30       */
31      public ClazzAccessException() {
32          super();
33      }
34  
35      /***
36       * Constructor for ReflectedAccessException.
37       * @param s
38       */
39      public ClazzAccessException(String s) {
40          super(s);
41      }
42      
43      /***
44       * Constructor for ReflectedAccessException.
45       * @param s
46       */
47      public ClazzAccessException(String s, Throwable cause) {
48          super(s);
49          this.cause = cause;
50      }
51      
52      public String getMessage() {
53          if (cause == null) {
54              return super.getMessage();
55          }
56          return super.getMessage() + "; " + cause.getMessage();
57      }
58      
59      public Throwable getCause() {
60          return cause;
61      }
62  }