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1   /****************************************************************
2    * Licensed to the Apache Software Foundation (ASF) under one   *
3    * or more contributor license agreements.  See the NOTICE file *
4    * distributed with this work for additional information        *
5    * regarding copyright ownership.  The ASF licenses this file   *
6    * to you under the Apache License, Version 2.0 (the            *
7    * "License"); you may not use this file except in compliance   *
8    * with the License.  You may obtain a copy of the License at   *
9    *                                                              *
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11   *                                                              *
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13   * software distributed under the License is distributed on an  *
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
15   * KIND, either express or implied.  See the License for the    *
16   * specific language governing permissions and limitations      *
17   * under the License.                                           *
18   ****************************************************************/
19  
20  
21  
22  package org.apache.james.transport.mailets.debug;
23  
24  import org.apache.mailet.base.GenericMailet;
25  import org.apache.mailet.Mail;
26  
27  import javax.mail.MessagingException;
28  import javax.mail.internet.MimeMessage;
29  import java.io.IOException;
30  
31  /**
32   * Debugging purpose Mailet.  Sends the message to System.err
33   *
34   */
35  public class DumpSystemErr extends GenericMailet {
36  
37      /**
38       * Writes the message to System.err .
39       *
40       * @param mail the mail to process
41       *
42       * @throws MessagingException if an error occurs while writing the message
43       */
44      public void service(Mail mail) throws MessagingException {
45          try {
46              MimeMessage message = mail.getMessage();
47              message.writeTo(System.err);
48          } catch (IOException ioe) {
49              log("error printing message", ioe);
50          }
51      }
52  
53      /**
54       * Return a string describing this mailet.
55       *
56       * @return a string describing this mailet
57       */
58      public String getMailetInfo() {
59          return "Dumps message to System.err";
60      }
61  }