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;
19
20 import org.apache.mailet.GenericMailet;
21 import org.apache.mailet.Mail;
22 import org.apache.mailet.MailetException;
23 import java.util.Iterator;
24 import java.util.ArrayList;
25 import java.util.StringTokenizer;
26 import javax.mail.MessagingException;
27
28 /***
29 * This mailet sets attributes on the Mail.
30 *
31 * Sample configuration:
32 * <mailet match="All" class="RemoveMailAttribute">
33 * <name>attribute_name1</name>
34 * <name>attribute_name2</name>
35 * </mailet>
36 *
37 * @version CVS $Revision: 365582 $ $Date: 2006-01-03 08:51:21 +0000 (mar, 03 gen 2006) $
38 * @since 2.2.0
39 */
40 public class RemoveMailAttribute extends GenericMailet {
41
42 private ArrayList attributesToRemove = new ArrayList();
43
44 /***
45 * Return a string describing this mailet.
46 *
47 * @return a string describing this mailet
48 */
49 public String getMailetInfo() {
50 return "Remove Mail Attribute Mailet";
51 }
52
53 /***
54 * Initialize the mailet
55 *
56 * @throws MailetException if the processor parameter is missing
57 */
58 public void init() throws MailetException
59 {
60 String name = getInitParameter("name");
61
62 if (name != null) {
63 StringTokenizer st = new StringTokenizer(name, ",") ;
64 while (st.hasMoreTokens()) {
65 String attribute_name = st.nextToken().trim() ;
66 attributesToRemove.add(attribute_name);
67 }
68 }
69 }
70
71 /***
72 * Remove the configured attributes
73 *
74 * @param mail the mail to process
75 *
76 * @throws MessagingException in all cases
77 */
78 public void service(Mail mail) throws MessagingException {
79 Iterator iter = attributesToRemove.iterator();
80 while (iter.hasNext()) {
81 String attribute_name = iter.next().toString();
82 mail.removeAttribute (attribute_name);
83 }
84 }
85
86
87 }