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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                 *
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17   * under the License.                                           *
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19  
20  package org.apache.james.transport.mailets.debug;
21  
22  import org.apache.mailet.GenericMailet;
23  import org.apache.mailet.Mail;
24  
25  /***
26   * A simple in memory counter.  Designed to count messages sent to this recipient
27   * for debugging purposes.
28   *
29   */
30  public class Counter extends GenericMailet {
31  
32      /***
33       * The number of mails processed by this mailet
34       */
35      int counter = 0;
36  
37      /***
38       * Count processed mails, marking each mail as completed after counting.
39       *
40       * @param mail the mail to process
41       */
42      public void service(Mail mail) {
43          counter++;
44          log(counter + "");
45          mail.setState(Mail.GHOST);
46      }
47  
48      /***
49       * Return a string describing this mailet.
50       *
51       * @return a string describing this mailet
52       */
53      public String getMailetInfo() {
54          return "Counter Mailet";
55      }
56  }