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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   *
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11   *                                                              *
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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.                                           *
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19  
20  
21  
22  package org.apache.james.transport.mailets;
23  
24  import javax.mail.MessagingException;
25  import java.util.StringTokenizer;
26  
27  /**
28   * This mailet will attach text to the end of the message (like a footer).  Right
29   * now it only supports simple messages without multiple parts.
30   */
31  public class AddFooter extends AbstractAddFooter {
32  
33      /**
34       * This is the plain text version of the footer we are going to add
35       */
36      String text = "";
37      
38      /**
39       * Initialize the mailet
40       */
41      public void init() throws MessagingException {
42          text = getInitParameter("text");
43      }
44  
45      /**
46       * This is exposed as a method for easy subclassing to provide alternate ways
47       * to get the footer text.
48       *
49       * @return the footer text
50       */
51      public String getFooterText() {
52          return text;
53      }
54  
55      /**
56       * This is exposed as a method for easy subclassing to provide alternate ways
57       * to get the footer text.  By default, this will take the footer text,
58       * converting the linefeeds to <br> tags.
59       *
60       * @return the HTML version of the footer text
61       */
62      public String getFooterHTML() {
63          String text = getFooterText();
64          StringBuffer sb = new StringBuffer();
65          StringTokenizer st = new StringTokenizer(text, "\r\n", true);
66          while (st.hasMoreTokens()) {
67              String token = st.nextToken();
68              if (token.equals("\r")) {
69                  continue;
70              }
71              if (token.equals("\n")) {
72                  sb.append("<br />\n");
73              } else {
74                  sb.append(token);
75              }
76          }
77          return sb.toString();
78      }
79  
80      /**
81       * Return a string describing this mailet.
82       *
83       * @return a string describing this mailet
84       */
85      public String getMailetInfo() {
86          return "AddFooter Mailet";
87      } 
88  }