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.matchers;
19
20 import org.apache.mailet.GenericMatcher;
21 import org.apache.mailet.Mail;
22
23 import javax.mail.internet.MimeMessage;
24 import java.util.Collection;
25
26 /***
27 * Matches mail with a header set by Fetchpop X-fetched-from <br>
28 * fetchpop sets X-fetched-by to the "name" of the fetchpop fetch task.<br>
29 * This is used to match all mail fetched from a specific pop account.
30 * Once the condition is met the header is stripped from the message to prevent looping if the mail is re-inserted into the spool.
31 *
32 * $Id: FetchedFrom.java 365582 2006-01-03 08:51:21 +0000 (mar, 03 gen 2006) bago $
33 */
34
35 public class FetchedFrom extends GenericMatcher {
36 public Collection match(Mail mail) throws javax.mail.MessagingException {
37 MimeMessage message = mail.getMessage();
38 String fetch = message.getHeader("X-fetched-from", null);
39 if (fetch != null && fetch.equals(getCondition())) {
40 mail.getMessage().removeHeader("X-fetched-from");
41 return mail.getRecipients();
42 }
43 return null;
44 }
45 }