org.snmp4j.agent.mo.snmp.tc.TruthValueTC Maven / Gradle / Ivy
/*_############################################################################
_##
_## SNMP4J-Agent 2 - TruthValueTC.java
_##
_## Copyright (C) 2005-2014 Frank Fock (SNMP4J.org)
_##
_## Licensed under the Apache License, Version 2.0 (the "License");
_## you may not use this file except in compliance with the License.
_## You may obtain a copy of the License at
_##
_## http://www.apache.org/licenses/LICENSE-2.0
_##
_## Unless required by applicable law or agreed to in writing, software
_## distributed under the License is distributed on an "AS IS" BASIS,
_## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
_## See the License for the specific language governing permissions and
_## limitations under the License.
_##
_##########################################################################*/
package org.snmp4j.agent.mo.snmp.tc;
import org.snmp4j.agent.*;
import org.snmp4j.agent.mo.*;
import org.snmp4j.smi.*;
import org.snmp4j.agent.mo.snmp.smi.EnumerationConstraint;
import org.snmp4j.agent.mo.snmp.smi.ValueConstraintValidator;
import org.snmp4j.mp.SnmpConstants;
public class TruthValueTC implements TextualConvention {
public static final int TRUE = 1;
public static final int FALSE = 2;
private EnumerationConstraint constraint =
new EnumerationConstraint(new int[] { TRUE, FALSE });
public TruthValueTC() {
}
public MOColumn createColumn(int columnID, int syntax, MOAccess access, Integer32 defaultValue,
boolean mutableInService) {
MOColumn c;
if (access.isAccessibleForWrite()) {
c = new MOMutableColumn(columnID, SMIConstants.SYNTAX_INTEGER32,
access, defaultValue);
((MOMutableColumn)c).addMOValueValidationListener(
new ValueConstraintValidator(constraint));
}
else {
c = new MOColumn(columnID, SMIConstants.SYNTAX_INTEGER32, access);
}
return c;
}
public MOScalar createScalar(OID oid, MOAccess access, Integer32 value) {
MOScalar scalar =
new MOScalar(oid, access, (value == null) ? createInitialValue() : value);
if (constraint.validate(scalar.getValue()) !=
SnmpConstants.SNMP_ERROR_SUCCESS) {
throw new IllegalArgumentException("Illegal TruthValue "+value);
}
scalar.
addMOValueValidationListener(new ValueConstraintValidator(constraint));
return scalar;
}
public String getModuleName() {
return "SNMPv2-TC";
}
public String getName() {
return "TruthValue";
}
public static Integer32 getValue(boolean b) {
return (b) ? new Integer32(TRUE) : new Integer32(FALSE);
}
public Integer32 createInitialValue() {
return new Integer32(FALSE);
}
/**
* Gets the boolean value of a TruthValue variable.
* @param truthValue
* a TruthValue.
* @return
* true if truthValue equals
* {@link #TRUE}.
* @since 2.0
*/
public static boolean getBooleanValue(Integer32 truthValue) {
return (TRUE == truthValue.getValue());
}
}