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19
20 package org.apache.james.transport.matchers;
21
22 import org.apache.mailet.RFC2822Headers;
23 import org.apache.mailet.GenericMatcher;
24 import org.apache.mailet.Mail;
25
26 import javax.mail.Header;
27 import javax.mail.internet.MimeMessage;
28 import java.util.Collection;
29 import java.util.Enumeration;
30
31 /***
32 *
33 * @version 1.0.0, 1/5/2000
34 */
35
36 public class RelayLimit extends GenericMatcher {
37 int limit = 30;
38
39 public void init() {
40 limit = Integer.parseInt(getCondition());
41 }
42
43 public Collection match(Mail mail) throws javax.mail.MessagingException {
44 MimeMessage mm = mail.getMessage();
45 int count = 0;
46 for (Enumeration e = mm.getAllHeaders(); e.hasMoreElements();) {
47 Header hdr = (Header)e.nextElement();
48 if (hdr.getName().equals(RFC2822Headers.RECEIVED)) {
49 count++;
50 }
51 }
52 if (count >= limit) {
53 return mail.getRecipients();
54 } else {
55 return null;
56 }
57 }
58 }