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 * @(#)SubjectTerm.java 1.9 07/05/04
39 */
40
41 package javax.mail.search;
42
43 import javax.mail.Message;
44
45 /**
46 * This class implements comparisons for the Message Subject header.
47 * The comparison is case-insensitive.
48 *
49 * @author Bill Shannon
50 * @author John Mani
51 */
52 public final class SubjectTerm extends StringTerm {
53
54 private static final long serialVersionUID = 7481568618055573432L;
55
56 /**
57 * Constructor.
58 *
59 * @param pattern the pattern to search for
60 */
61 public SubjectTerm(String pattern) {
62 // Note: comparison is case-insensitive
63 super(pattern);
64 }
65
66 /**
67 * The match method.
68 *
69 * @param msg the pattern match is applied to this Message's
70 * subject header
71 * @return true if the pattern match succeeds, otherwise false
72 */
73 public boolean match(Message msg) {
74 String subj;
75
76 try {
77 subj = msg.getSubject();
78 } catch (Exception e) {
79 return false;
80 }
81
82 if (subj == null)
83 return false;
84
85 return super.match(subj);
86 }
87
88 /**
89 * Equality comparison.
90 */
91 public boolean equals(Object obj) {
92 if (!(obj instanceof SubjectTerm))
93 return false;
94 return super.equals(obj);
95 }
96 }
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