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Java > Open Source Codes > org > apache > james > transport > matchers > SMTPAuthUserIs


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17
18 package org.apache.james.transport.matchers;
19
20 import org.apache.mailet.GenericMatcher;
21 import org.apache.mailet.Mail;
22 import org.apache.mailet.MailAddress;
23
24 import java.util.Collection JavaDoc;
25 import java.util.StringTokenizer JavaDoc;
26
27 /**
28  * <P>Matches mails that are sent by an SMTP authenticated user present in a supplied list.</P>
29  * <P>If the sender was not authenticated it will not match.</P>
30  * <P>Configuration string: a comma, tab or space separated list of James users.</P>
31  * <PRE><CODE>
32  * &lt;mailet match=&quot;SMTPAuthUserIs=&lt;list-of-user-names&gt;&quot; class=&quot;&lt;any-class&gt;&quot;&gt;
33  * </CODE></PRE>
34  *
35  * @version CVS $Revision: 1.1.2.3 $ $Date: 2004/03/15 03:54:21 $
36  * @since 2.2.0
37  */
38 public class SMTPAuthUserIs extends GenericMatcher {
39     
40     /**
41      * The mail attribute holding the SMTP AUTH user name, if any.
42      */
43     private final static String JavaDoc SMTP_AUTH_USER_ATTRIBUTE_NAME = "org.apache.james.SMTPAuthUser";
44     
45     private Collection JavaDoc users;
46
47     public void init() throws javax.mail.MessagingException JavaDoc {
48         StringTokenizer JavaDoc st = new StringTokenizer JavaDoc(getCondition(), ", \t", false);
49         users = new java.util.HashSet JavaDoc();
50         while (st.hasMoreTokens()) {
51             users.add(st.nextToken());
52         }
53     }
54
55     public Collection JavaDoc match(Mail mail) {
56         String JavaDoc authUser = (String JavaDoc) mail.getAttribute(SMTP_AUTH_USER_ATTRIBUTE_NAME);
57         if (authUser != null && users.contains(authUser)) {
58             return mail.getRecipients();
59         } else {
60             return null;
61         }
62     }
63 }
64
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