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 * @(#)DateTerm.java 1.11 07/05/04
39 */
40
41 package javax.mail.search;
42
43 import java.util.Date;
44
45 /**
46 * This class implements comparisons for Dates
47 *
48 * @author Bill Shannon
49 * @author John Mani
50 */
51 public abstract class DateTerm extends ComparisonTerm {
52 /**
53 * The date.
54 *
55 * @serial
56 */
57 protected Date date;
58
59 private static final long serialVersionUID = 4818873430063720043L;
60
61 /**
62 * Constructor.
63 * @param comparison the comparison type
64 * @param date The Date to be compared against
65 */
66 protected DateTerm(int comparison, Date date) {
67 this.comparison = comparison;
68 this.date = date;
69 }
70
71 /**
72 * Return the Date to compare with.
73 */
74 public Date getDate() {
75 return new Date(date.getTime());
76 }
77
78 /**
79 * Return the type of comparison.
80 */
81 public int getComparison() {
82 return comparison;
83 }
84
85 /**
86 * The date comparison method.
87 *
88 * @param d the date in the constructor is compared with this date
89 * @return true if the dates match, otherwise false
90 */
91 protected boolean match(Date d) {
92 switch (comparison) {
93 case LE:
94 return d.before(date) || d.equals(date);
95 case LT:
96 return d.before(date);
97 case EQ:
98 return d.equals(date);
99 case NE:
100 return !d.equals(date);
101 case GT:
102 return d.after(date);
103 case GE:
104 return d.after(date) || d.equals(date);
105 default:
106 return false;
107 }
108 }
109
110 /**
111 * Equality comparison.
112 */
113 public boolean equals(Object obj) {
114 if (!(obj instanceof DateTerm))
115 return false;
116 DateTerm dt = (DateTerm)obj;
117 return dt.date.equals(this.date) && super.equals(obj);
118 }
119
120 /**
121 * Compute a hashCode for this object.
122 */
123 public int hashCode() {
124 return date.hashCode() + super.hashCode();
125 }
126 }
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