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
21
22 package org.apache.james.transport.matchers;
23
24 import org.apache.mailet.base.GenericMatcher;
25 import org.apache.mailet.Mail;
26
27 import javax.mail.MessagingException;
28 import javax.mail.internet.MimeMessage;
29 import java.util.Collection;
30
31 /**
32 * Matches mail where the subject starts with a given phrase.
33 * @version 1.0.0, 1/5/2000
34 */
35 public class SubjectStartsWith extends GenericMatcher {
36
37 public Collection match(Mail mail) throws MessagingException {
38 MimeMessage mm = mail.getMessage();
39 String subject = mm.getSubject();
40 if (subject != null && subject.startsWith(getCondition())) {
41 return mail.getRecipients();
42 }
43 return null;
44 }
45 }