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1   /************************************************************************
2    * Copyright (c) 2000-2006 The Apache Software Foundation.             *
3    * All rights reserved.                                                *
4    * ------------------------------------------------------------------- *
5    * Licensed under the Apache License, Version 2.0 (the "License"); you *
6    * may not use this file except in compliance with the License. You    *
7    * may obtain a copy of the License at:                                *
8    *                                                                     *
9    *     http://www.apache.org/licenses/LICENSE-2.0                      *
10   *                                                                     *
11   * Unless required by applicable law or agreed to in writing, software *
12   * distributed under the License is distributed on an "AS IS" BASIS,   *
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or     *
14   * implied.  See the License for the specific language governing       *
15   * permissions and limitations under the License.                      *
16   ***********************************************************************/
17  
18  package org.apache.james.transport.mailets.debug;
19  
20  import org.apache.mailet.GenericMailet;
21  import org.apache.mailet.Mail;
22  import org.apache.mailet.MailetException;
23  
24  import javax.mail.MessagingException;
25  
26  /***
27   * Debugging purpose Mailet. Just throws an exception.
28   *
29   */
30  public class ExceptionThrowingMailet extends GenericMailet {
31  
32      /***
33       * Throw an exception if any mail is processed.
34       *
35       * @param mail the mail to process
36       *
37       * @throws MailetException in all cases
38       */
39      public void service(Mail mail) throws MessagingException {
40          throw new MailetException("General protection fault");
41      }
42  
43      /***
44       * Return a string describing this mailet.
45       *
46       * @return a string describing this mailet
47       */
48      public String getMailetInfo() {
49          return "ExceptionThrowingMailet Mailet";
50      }
51  }