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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    *                                                              *
10   *   http://www.apache.org/licenses/LICENSE-2.0                 *
11   *                                                              *
12   * Unless required by applicable law or agreed to in writing,   *
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  package org.apache.james.transport.mailets.debug;
21  
22  import org.apache.mailet.GenericMailet;
23  import org.apache.mailet.Mail;
24  
25  import javax.mail.MessagingException;
26  import javax.mail.internet.MimeMessage;
27  import java.io.IOException;
28  
29  /***
30   * Debugging purpose Mailet.  Sends the message to System.err
31   *
32   */
33  public class DumpSystemErr extends GenericMailet {
34  
35      /***
36       * Writes the message to System.err .
37       *
38       * @param mail the mail to process
39       *
40       * @throws MessagingException if an error occurs while writing the message
41       */
42      public void service(Mail mail) throws MessagingException {
43          try {
44              MimeMessage message = mail.getMessage();
45              message.writeTo(System.err);
46          } catch (IOException ioe) {
47              log("error printing message", ioe);
48          }
49      }
50  
51      /***
52       * Return a string describing this mailet.
53       *
54       * @return a string describing this mailet
55       */
56      public String getMailetInfo() {
57          return "Dumps message to System.err";
58      }
59  }