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19
20 package org.apache.james.transport.matchers;
21
22 import org.apache.mailet.GenericMatcher;
23 import org.apache.mailet.Mail;
24
25 import javax.mail.internet.MimeMessage;
26 import java.util.Collection;
27
28 /***
29 * Matches mail with a header set by Fetchpop X-fetched-from <br>
30 * fetchpop sets X-fetched-by to the "name" of the fetchpop fetch task.<br>
31 * This is used to match all mail fetched from a specific pop account.
32 * Once the condition is met the header is stripped from the message to prevent looping if the mail is re-inserted into the spool.
33 *
34 * $Id: FetchedFrom.java 494012 2007-01-08 10:23:58Z norman $
35 */
36
37 public class FetchedFrom extends GenericMatcher {
38 public Collection match(Mail mail) throws javax.mail.MessagingException {
39 MimeMessage message = mail.getMessage();
40 String fetch = message.getHeader("X-fetched-from", null);
41 if (fetch != null && fetch.equals(getCondition())) {
42 mail.getMessage().removeHeader("X-fetched-from");
43 return mail.getRecipients();
44 }
45 return null;
46 }
47 }