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: abstract public class UnsignedIntegerValue extends SnmpValue {
33: protected long _value;
34:
35: public UnsignedIntegerValue(long value) {
36: _value = value;
37: }
38:
39: @Override
40: public long getLong() {
41: return _value;
42: }
43:
44: @Override
45: public void toAsn1(StringBuilder sb) {
46: int len = length();
47:
48: header(sb, len);
49:
50: long value = _value;
51:
52: for (int i = 0; i < len; i++) {
53: value = _value >> ((len - i - 1) * 8);
54:
55: sb.append((char) (value & 0xFF));
56: }
57: }
58:
59: private int length() {
60: if (_value <= 0xFF)
61: return 1;
62: else if (_value <= 0xFFFF)
63: return 2;
64: else if (_value <= 0xFFFFFF)
65: return 3;
66: else
67: return 4;
68: }
69:
70: public String toString() {
71: return String.valueOf(_value);
72: }
73: }
|