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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   *                                                              *
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13   * software distributed under the License is distributed on an  *
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
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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  
25  import javax.mail.MessagingException;
26  import javax.mail.internet.MimeMessage;
27  import java.util.Collection;
28  
29  /***
30   *
31   * @version 1.0.0, 1/5/2000
32   */
33  
34  public class SubjectStartsWith extends GenericMatcher {
35  
36      public Collection match(Mail mail) throws MessagingException {
37          MimeMessage mm = mail.getMessage();
38          String subject = mm.getSubject();
39          if (subject != null && subject.startsWith(getCondition())) {
40              return mail.getRecipients();
41          }
42          return null;
43      }
44  }