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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 import org.apache.mailet.MailAddress;
27
28 import java.util.Collection;
29 import java.util.StringTokenizer;
30
31 /**
32 * Matches mail where the sender is contained in a configurable list.
33 * @version 1.0.0, 24/04/1999
34 */
35 public class SenderIs extends GenericMatcher {
36
37 private Collection senders;
38
39 public void init() throws javax.mail.MessagingException {
40 StringTokenizer st = new StringTokenizer(getCondition(), ", \t", false);
41 senders = new java.util.HashSet();
42 while (st.hasMoreTokens()) {
43 senders.add(new MailAddress(st.nextToken()));
44 }
45 }
46
47 public Collection match(Mail mail) {
48 if (senders.contains(mail.getSender())) {
49 return mail.getRecipients();
50 } else {
51 return null;
52 }
53 }
54 }