1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
5 *
6 * The contents of this file are subject to the terms of either the GNU
7 * General Public License Version 2 only ("GPL") or the Common Development
8 * and Distribution License("CDDL") (collectively, the "License"). You
9 * may not use this file except in compliance with the License. You can obtain
10 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
11 * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
12 * language governing permissions and limitations under the License.
13 *
14 * When distributing the software, include this License Header Notice in each
15 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
16 * Sun designates this particular file as subject to the "Classpath" exception
17 * as provided by Sun in the GPL Version 2 section of the License file that
18 * accompanied this code. If applicable, add the following below the License
19 * Header, with the fields enclosed by brackets [] replaced by your own
20 * identifying information: "Portions Copyrighted [year]
21 * [name of copyright owner]"
22 *
23 * Contributor(s):
24 *
25 * If you wish your version of this file to be governed by only the CDDL or
26 * only the GPL Version 2, indicate your decision by adding "[Contributor]
27 * elects to include this software in this distribution under the [CDDL or GPL
28 * Version 2] license." If you don't indicate a single choice of license, a
29 * recipient has the option to distribute your version of this file under
30 * either the CDDL, the GPL Version 2 or to extend the choice of license to
31 * its licensees as provided above. However, if you add GPL Version 2 code
32 * and therefore, elected the GPL Version 2 license, then the option applies
33 * only if the new code is made subject to such option by the copyright
34 * holder.
35 */
36
37 /*
38 * @(#)MessageIDTerm.java 1.10 07/05/04
39 */
40
41 package javax.mail.search;
42
43 import javax.mail.Message;
44
45 /**
46 * This term models the RFC822 "MessageId" - a message-id for
47 * Internet messages that is supposed to be unique per message.
48 * Clients can use this term to search a folder for a message given
49 * its MessageId. <p>
50 *
51 * The MessageId is represented as a String.
52 *
53 * @author Bill Shannon
54 * @author John Mani
55 */
56 public final class MessageIDTerm extends StringTerm {
57
58 private static final long serialVersionUID = -2121096296454691963L;
59
60 /**
61 * Constructor.
62 *
63 * @param msgid the msgid to search for
64 */
65 public MessageIDTerm(String msgid) {
66 // Note: comparison is case-insensitive
67 super(msgid);
68 }
69
70 /**
71 * The match method.
72 *
73 * @param msg the match is applied to this Message's
74 * Message-ID header
75 * @return true if the match succeeds, otherwise false
76 */
77 public boolean match(Message msg) {
78 String[] s;
79
80 try {
81 s = msg.getHeader("Message-ID");
82 } catch (Exception e) {
83 return false;
84 }
85
86 if (s == null)
87 return false;
88
89 for (int i=0; i < s.length; i++)
90 if (super.match(s[i]))
91 return true;
92 return false;
93 }
94
95 /**
96 * Equality comparison.
97 */
98 public boolean equals(Object obj) {
99 if (!(obj instanceof MessageIDTerm))
100 return false;
101 return super.equals(obj);
102 }
103 }
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