RelayLimit


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17  
18  package org.apache.james.transport.matchers;
19  
20  import org.apache.james.util.RFC2822Headers;
21  import org.apache.mailet.GenericMatcher;
22  import org.apache.mailet.Mail;
23  
24  import javax.mail.Header  ;
25  import javax.mail.internet.MimeMessage  ;
26  import java.util.Collection  ;
27  import java.util.Enumeration  ;
28  
29  /**
30   *
31   * @version 1.0.0, 1/5/2000
32   */
33  
34  public class RelayLimit extends GenericMatcher {
35      int limit = 30;
36  
37      public void init() {
38          limit = Integer.parseInt(getCondition());
39      }
40  
41      public Collection   match(Mail mail) throws javax.mail.MessagingException   {
42          MimeMessage   mm = mail.getMessage();
43          int count = 0;
44          for (Enumeration   e = mm.getAllHeaders(); e.hasMoreElements();) {
45              Header   hdr = (Header  )e.nextElement();
46              if (hdr.getName().equals(RFC2822Headers.RECEIVED)) {
47                  count++;
48              }
49          }
50          if (count >= limit) {
51              return mail.getRecipients();
52          } else {
53              return null;
54          }
55      }
56  }
57
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