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Java > Open Source Codes > javax > mail > search > MessageIDTerm


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the "License"). You may not use this file except
5  * in compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * glassfish/bootstrap/legal/CDDLv1.0.txt or
9  * https://glassfish.dev.java.net/public/CDDLv1.0.html.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * HEADER in each file and include the License file at
15  * glassfish/bootstrap/legal/CDDLv1.0.txt. If applicable,
16  * add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your
18  * own identifying information: Portions Copyright [yyyy]
19  * [name of copyright owner]
20  */
21
22 /*
23  * @(#)MessageIDTerm.java 1.9 05/08/29
24  *
25  * Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved.
26  */
27
28 package javax.mail.search;
29
30 import javax.mail.Message JavaDoc;
31
32 /**
33  * This term models the RFC822 "MessageId" - a message-id for
34  * Internet messages that is supposed to be unique per message.
35  * Clients can use this term to search a folder for a message given
36  * its MessageId. <p>
37  *
38  * The MessageId is represented as a String.
39  *
40  * @author Bill Shannon
41  * @author John Mani
42  */
43 public final class MessageIDTerm extends StringTerm JavaDoc {
44
45     private static final long serialVersionUID = -2121096296454691963L;
46
47     /**
48      * Constructor.
49      *
50      * @param msgid the msgid to search for
51      */
52     public MessageIDTerm(String JavaDoc msgid) {
53     // Note: comparison is case-insensitive
54 super(msgid);
55     }
56
57     /**
58      * The match method.
59      *
60      * @param msg the match is applied to this Message's
61      * Message-ID header
62      * @return true if the match succeeds, otherwise false
63      */
64     public boolean match(Message JavaDoc msg) {
65     String JavaDoc[] s;
66
67     try {
68         s = msg.getHeader("Message-ID");
69     } catch (Exception JavaDoc e) {
70         return false;
71     }
72
73     if (s == null)
74         return false;
75
76     for (int i=0; i < s.length; i++)
77         if (super.match(s[i]))
78         return true;
79     return false;
80     }
81
82     /**
83      * Equality comparison.
84      */
85     public boolean equals(Object JavaDoc obj) {
86     if (!(obj instanceof MessageIDTerm JavaDoc))
87         return false;
88     return super.equals(obj);
89     }
90 }
91
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