01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU General
07: * Public License Version 2 only ("GPL") or the Common Development and Distribution
08: * License("CDDL") (collectively, the "License"). You may not use this file except in
09: * compliance with the License. You can obtain a copy of the License at
10: * http://www.netbeans.org/cddl-gplv2.html or nbbuild/licenses/CDDL-GPL-2-CP. See the
11: * License for the specific language governing permissions and limitations under the
12: * License. When distributing the software, include this License Header Notice in
13: * each file and include the License file at nbbuild/licenses/CDDL-GPL-2-CP. Sun
14: * designates this particular file as subject to the "Classpath" exception as
15: * provided by Sun in the GPL Version 2 section of the License file that
16: * accompanied this code. If applicable, add the following below the License Header,
17: * with the fields enclosed by brackets [] replaced by your own identifying
18: * information: "Portions Copyrighted [year] [name of copyright owner]"
19: *
20: * Contributor(s):
21: *
22: * The Original Software is NetBeans. The Initial Developer of the Original Software
23: * is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun Microsystems, Inc. All
24: * Rights Reserved.
25: *
26: * If you wish your version of this file to be governed by only the CDDL or only the
27: * GPL Version 2, indicate your decision by adding "[Contributor] elects to include
28: * this software in this distribution under the [CDDL or GPL Version 2] license." If
29: * you do not indicate a single choice of license, a recipient has the option to
30: * distribute your version of this file under either the CDDL, the GPL Version 2 or
31: * to extend the choice of license to its licensees as provided above. However, if
32: * you add GPL Version 2 code and therefore, elected the GPL Version 2 license, then
33: * the option applies only if the new code is made subject to such option by the
34: * copyright holder.
35: */
36:
37: package org.netbeans.installer.utils.helper;
38:
39: /**
40: *
41: * @author Danila_Dugurov
42: */
43: public class Pair<F, S> {
44:
45: private F first;
46: private S second;
47:
48: public Pair(F first, S second) {
49: this .first = first;
50: this .second = second;
51: }
52:
53: public static <F, S> Pair<F, S> create(F first, S second) {
54: return new Pair<F, S>(first, second);
55: }
56:
57: public F getFirst() {
58: return first;
59: }
60:
61: public S getSecond() {
62: return second;
63: }
64:
65: public String toString() {
66: return "(" + first + "," + second + ")";
67: }
68:
69: public boolean equals(Object other) {
70: if (other == this )
71: return true;
72: if (other == null)
73: return false;
74: if (other instanceof Pair) {
75: Pair pair = (Pair) other;
76: if (first != null ? first.equals(pair.first)
77: : pair.first == null)
78: return second != null ? second.equals(pair.second)
79: : pair.second == null;
80: }
81: return false;
82: }
83:
84: public int hashCode() {
85: int result;
86: result = (first != null ? first.hashCode() : 0);
87: result = 29 * result + (second != null ? second.hashCode() : 0);
88: return result;
89: }
90: }
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