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 * @(#)IntegerComparisonTerm.java 1.9 07/05/04
39 */
40
41 package javax.mail.search;
42
43 /**
44 * This class implements comparisons for integers.
45 *
46 * @author Bill Shannon
47 * @author John Mani
48 */
49 public abstract class IntegerComparisonTerm extends ComparisonTerm {
50 /**
51 * The number.
52 *
53 * @serial
54 */
55 protected int number;
56
57 private static final long serialVersionUID = -6963571240154302484L;
58
59 protected IntegerComparisonTerm(int comparison, int number) {
60 this.comparison = comparison;
61 this.number = number;
62 }
63
64 /**
65 * Return the number to compare with.
66 */
67 public int getNumber() {
68 return number;
69 }
70
71 /**
72 * Return the type of comparison.
73 */
74 public int getComparison() {
75 return comparison;
76 }
77
78 protected boolean match(int i) {
79 switch (comparison) {
80 case LE:
81 return i <= number;
82 case LT:
83 return i < number;
84 case EQ:
85 return i == number;
86 case NE:
87 return i != number;
88 case GT:
89 return i > number;
90 case GE:
91 return i >= number;
92 default:
93 return false;
94 }
95 }
96
97 /**
98 * Equality comparison.
99 */
100 public boolean equals(Object obj) {
101 if (!(obj instanceof IntegerComparisonTerm))
102 return false;
103 IntegerComparisonTerm ict = (IntegerComparisonTerm)obj;
104 return ict.number == this.number && super.equals(obj);
105 }
106
107 /**
108 * Compute a hashCode for this object.
109 */
110 public int hashCode() {
111 return number + super.hashCode();
112 }
113 }