View Javadoc

1   /*****************************************************************
2    * Licensed to the Apache Software Foundation (ASF) under one   *
3    * or more contributor license agreements.  See the NOTICE file *
4    * distributed with this work for additional information        *
5    * regarding copyright ownership.  The ASF licenses this file   *
6    * to you under the Apache License, Version 2.0 (the            *
7    * "License"); you may not use this file except in compliance   *
8    * with the License.  You may obtain a copy of the License at   *
9    *                                                              *
10   *   http://www.apache.org/licenses/LICENSE-2.0                 *
11   *                                                              *
12   * Unless required by applicable law or agreed to in writing,   *
13   * software distributed under the License is distributed on an  *
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
15   * KIND, either express or implied.  See the License for the    *
16   * specific language governing permissions and limitations      *
17   * under the License.                                           *
18   ****************************************************************/
19  
20  package org.apache.james.transport.matchers;
21  
22  import org.apache.mailet.GenericMatcher;
23  import org.apache.mailet.Mail;
24  import org.apache.mailet.MailAddress;
25  
26  import java.util.Collection;
27  
28  /***
29   * <P>Matches mails that are sent by a null sender.</P>
30   * <PRE><CODE>
31   * &lt;mailet match=&quot;SenderIsNull&quot; class=&quot;&lt;any-class&gt;&quot;&gt;
32   * </CODE></PRE>
33   *
34   * @version CVS $Revision: 494012 $ $Date: 2007-01-08 10:23:58 +0000 (lun, 08 gen 2007) $
35   * @since 2.2.0
36   */
37  public class SenderIsNull extends GenericMatcher {
38  
39      public Collection match(Mail mail) {
40          if (mail.getSender() == null) {
41              return mail.getRecipients();
42          } else {
43              return null;
44          }
45      }
46  }