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1   /* Copyright 2004 Acegi Technology Pty Limited
2    *
3    * Licensed under the Apache License, Version 2.0 (the "License");
4    * you may not use this file except in compliance with the License.
5    * You may obtain a copy of the License at
6    *
7    *     http://www.apache.org/licenses/LICENSE-2.0
8    *
9    * Unless required by applicable law or agreed to in writing, software
10   * distributed under the License is distributed on an "AS IS" BASIS,
11   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12   * See the License for the specific language governing permissions and
13   * limitations under the License.
14   */
15  
16  package org.acegisecurity.userdetails;
17  
18  import org.acegisecurity.BadCredentialsException;
19  
20  
21  /***
22   * Thrown if an {@link UserDetailsService} implementation cannot locate a {@link
23   * User} by its username.
24   *
25   * @author Ben Alex
26   * @version $Id: UsernameNotFoundException.java,v 1.1 2005/11/29 13:10:10 benalex Exp $
27   */
28  public class UsernameNotFoundException extends BadCredentialsException {
29      //~ Constructors ===========================================================
30  
31      /***
32       * Constructs a <code>UsernameNotFoundException</code> with the specified
33       * message.
34       *
35       * @param msg the detail message.
36       */
37      public UsernameNotFoundException(String msg) {
38          super(msg);
39      }
40  
41      /***
42       * Constructs a <code>UsernameNotFoundException</code> with the specified
43       * message and root cause.
44       *
45       * @param msg the detail message.
46       * @param t root cause
47       */
48      public UsernameNotFoundException(String msg, Throwable t) {
49          super(msg, t);
50      }
51  }