/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Nam Nguyen
*/
package com.caucho.server.snmp.types;
/*
* SNMP ObjectIdentifier type.
*/
public class ObjectIdentifierValue extends SnmpValue
{
protected String _id;
/*
* @param id is in dot notation (i.e. "1.2.3.4.5")
*/
public ObjectIdentifierValue(String id)
{
_id = id;
}
@Override
public int getType()
{
return SnmpValue.OBJECT_IDENTIFIER;
}
@Override
public String getString()
{
return _id;
}
@Override
public void toAsn1(StringBuilder sb)
{
StringBuilder innerSb = new StringBuilder();
int x = 0;
char ch;
int i = 0;
while (i < _id.length() && (ch = _id.charAt(i++)) != '.') {
x = x * 10 + ch - '0';
}
int y = 0;
while (i < _id.length() && (ch = _id.charAt(i++)) != '.') {
y = y * 10 + ch - '0';
}
encodeInteger(innerSb, x * 40 + y);
while (i < _id.length()) {
int val = 0;
while (i < _id.length() && (ch = _id.charAt(i++)) != '.') {
val = val * 10 + ch - '0';
}
encodeInteger(innerSb, val);
}
header(sb, innerSb.length());
sb.append(innerSb);
}
private void encodeInteger(StringBuilder sb, int val)
{
int len = 1;
int total = val;
while ((total >>= 7) > 0) {
len++;
}
for (int i = 1; i < len; i++) {
int shift = (len - i) * 7;
sb.append((char) ((val >> shift) & 0x7F | 0x80));
}
sb.append((char) (val & 0x7F));
}
public String toString()
{
return "ObjectIdentifier[" + _id + "]";
}
}