1 // NAME
2 // $RCSfile: AsnNull.java,v $
3 // DESCRIPTION
4 // [given below in javadoc format]
5 // DELTA
6 // $Revision: 3.9 $
7 // CREATED
8 // $Date: 2008/05/27 15:40:14 $
9 // COPYRIGHT
10 // Westhawk Ltd
11 // TO DO
12 //
13
14 /*
15 * Copyright (C) 1995, 1996 by West Consulting BV
16 *
17 * Permission to use, copy, modify, and distribute this software
18 * for any purpose and without fee is hereby granted, provided
19 * that the above copyright notices appear in all copies and that
20 * both the copyright notice and this permission notice appear in
21 * supporting documentation.
22 * This software is provided "as is" without express or implied
23 * warranty.
24 * author <a href="mailto:snmp@westhawk.co.uk">Tim Panton</a>
25 * original version by hargrave@dellgate.us.dell.com (Jordan Hargrave)
26 */
27
28 /*
29 * Copyright (C) 1996 - 2006 by Westhawk Ltd
30 * <a href="www.westhawk.co.uk">www.westhawk.co.uk</a>
31 *
32 * Permission to use, copy, modify, and distribute this software
33 * for any purpose and without fee is hereby granted, provided
34 * that the above copyright notices appear in all copies and that
35 * both the copyright notice and this permission notice appear in
36 * supporting documentation.
37 * This software is provided "as is" without express or implied
38 * warranty.
39 * author <a href="mailto:snmp@westhawk.co.uk">Tim Panton</a>
40 */
41
42 package uk.co.westhawk.snmp.stack;
43
44 /*-
45 * ╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲
46 * SNMP Java Client
47 * ჻჻჻჻჻჻
48 * Copyright 2023 MetricsHub, Westhawk
49 * ჻჻჻჻჻჻
50 * This program is free software: you can redistribute it and/or modify
51 * it under the terms of the GNU Lesser General Public License as
52 * published by the Free Software Foundation, either version 3 of the
53 * License, or (at your option) any later version.
54 *
55 * This program is distributed in the hope that it will be useful,
56 * but WITHOUT ANY WARRANTY; without even the implied warranty of
57 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
58 * GNU General Lesser Public License for more details.
59 *
60 * You should have received a copy of the GNU General Lesser Public
61 * License along with this program. If not, see
62 * <http://www.gnu.org/licenses/lgpl-3.0.html>.
63 * ╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱
64 */
65
66 import java.io.*;
67 import java.util.*;
68
69 /**
70 * This class represents the ASN.1 Null object
71 *
72 * @author <a href="mailto:snmp@westhawk.co.uk">Tim Panton</a>
73 * @version $Revision: 3.9 $ $Date: 2008/05/27 15:40:14 $
74 */
75 public class AsnNull extends AsnObject {
76 private static final String version_id = "@(#)$Id: AsnNull.java,v 3.9 2008/05/27 15:40:14 birgita Exp $ Copyright Westhawk Ltd";
77
78 /**
79 * Default Constructor.
80 */
81 public AsnNull() {
82 type = ASN_NULL;
83 }
84
85 /**
86 * Constructor.
87 *
88 * @param in The input stream from which the value should be read
89 * @param len The length of the AsnInteger
90 */
91 public AsnNull(InputStream in, int len) {
92 this();
93 }
94
95 /**
96 * Returns the string representation of the AsnNull.
97 *
98 * @return The string of the AsnNull
99 */
100 public String toString() {
101 return "AsnNull";
102 }
103
104 void write(OutputStream out, int pos) throws IOException {
105 AsnBuildHeader(out, ASN_NULL, 0);
106 }
107
108 /**
109 * Compares this object to the specified object.
110 * The result is <code>true</code> if and only if the argument is not
111 * <code>null</code> and is a <code>AsnNull</code> object.
112 *
113 * @param anObject the object to compare this <code>AsnNull</code>
114 * against.
115 * @return <code>true</code> if the <code>AsnNull </code>are equal;
116 * <code>false</code> otherwise.
117 */
118 public boolean equals(Object anObject) {
119 if (this == anObject) {
120 return true;
121 }
122 if (anObject instanceof AsnNull) {
123 AsnNull anotherNull = (AsnNull) anObject;
124 return true;
125 }
126 return false;
127 }
128
129 /**
130 * Returns a hash code for this object.
131 *
132 * @return a hash code value for this object.
133 */
134 public int hashCode() {
135 int h = 5;
136 return h;
137 }
138
139 }