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19
20
21
22 package org.apache.james.transport.matchers;
23
24 import org.apache.mailet.base.GenericMatcher;
25 import org.apache.mailet.Mail;
26
27 import javax.mail.internet.MimeMessage;
28 import java.util.Collection;
29
30 /**
31 * Matches mail with a header set by Fetchpop X-fetched-from <br>
32 * fetchpop sets X-fetched-by to the "name" of the fetchpop fetch task.<br>
33 * This is used to match all mail fetched from a specific pop account.
34 * Once the condition is met the header is stripped from the message to prevent looping if the mail is re-inserted into the spool.
35 *
36 * $Id: FetchedFrom.java 713949 2008-11-14 07:40:21Z rdonkin $
37 */
38
39 public class FetchedFrom extends GenericMatcher {
40
41 /**
42 * @see org.apache.mailet.GenericMatcher#match(Mail)
43 */
44 public Collection match(Mail mail) throws javax.mail.MessagingException {
45 MimeMessage message = mail.getMessage();
46 String fetch = message.getHeader("X-fetched-from", null);
47 if (fetch != null && fetch.equals(getCondition())) {
48 mail.getMessage().removeHeader("X-fetched-from");
49 return mail.getRecipients();
50 }
51 return null;
52 }
53 }