01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: *
23: * Free Software Foundation, Inc.
24: * 59 Temple Place, Suite 330
25: * Boston, MA 02111-1307 USA
26: *
27: * @author Nam Nguyen
28: */
29:
30: package com.caucho.server.snmp.types;
31:
32: /*
33: * SNMP NULL type.
34: */
35: public class NullValue extends SnmpValue {
36: public static final NullValue NULL = new NullValue();
37:
38: public NullValue() {
39: }
40:
41: @Override
42: public int getType() {
43: return SnmpValue.NULL;
44: }
45:
46: @Override
47: public void toAsn1(StringBuilder sb) {
48: header(sb, 0);
49: }
50:
51: public String toString() {
52: return "NULL";
53: }
54: }
|