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


1 /***********************************************************************
2  * Copyright (c) 2000-2004 The Apache Software Foundation. *
3  * All rights reserved. *
4  * ------------------------------------------------------------------- *
5  * Licensed under the Apache License, Version 2.0 (the "License"); you *
6  * may not use this file except in compliance with the License. You *
7  * may obtain a copy of the License at: *
8  * *
9  * http://www.apache.org/licenses/LICENSE-2.0 *
10  * *
11  * Unless required by applicable law or agreed to in writing, software *
12  * distributed under the License is distributed on an "AS IS" BASIS, *
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14  * implied. See the License for the specific language governing *
15  * permissions and limitations under the License. *
16  ***********************************************************************/
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
26 /**
27  * <P>Matches mails that are sent by a null sender.</P>
28  * <PRE><CODE>
29  * &lt;mailet match=&quot;SenderIsNull&quot; class=&quot;&lt;any-class&gt;&quot;&gt;
30  * </CODE></PRE>
31  *
32  * @version CVS $Revision: 1.1.2.2 $ $Date: 2004/03/15 03:54:21 $
33  * @since 2.2.0
34  */
35 public class SenderIsNull extends GenericMatcher {
36
37     public Collection JavaDoc match(Mail mail) {
38         if (mail.getSender() == null) {
39             return mail.getRecipients();
40         } else {
41             return null;
42         }
43     }
44 }
45
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