snmp.message.handler
Class DefaultSnmpRequestHandler

java.lang.Object
  |
  +--snmp.message.handler.DefaultSnmpRequestHandler

All Implemented Interfaces:

java.util.EventListener, SnmpMessageHandler, SnmpRequestHandler, SnmpSessionEventListener

Direct Known Subclasses:

SnmpGetNextRequestHandler, SnmpGetRequestHandler, SnmpSetRequestHandler

public abstract class DefaultSnmpRequestHandler

extends java.lang.Object

implements SnmpRequestHandler

This abstract class provides the implementation to determine the right request handler. It also defines the method to check if there is any error in the PDU based on the specifications in RFC1157.

Version:

$Revision: 0.1 $ $Date: 2004/03/09 06:03:49 $

Author:

Scott Cheng

Field Summary

Fields inherited from interface snmp.message.handler.SnmpRequestHandler

GET, GETNEXT, SET

Constructor Summary

protected

DefaultSnmpRequestHandler() Default constructor to instantiate the SnmpMessageHandlerImpl object.

Method Summary

protected int	checkPDU(SnmpPdu snmpPdu) This method verifies each OID in the PDU to see if it is existed in the MIB database.
boolean	isHandler(int type) This method returns true if it is the right handler to handle the message.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface snmp.message.handler.SnmpMessageHandler

getHandlerType

Methods inherited from interface snmp.session.SnmpSessionEventListener

handleSession

Constructor Detail

DefaultSnmpRequestHandler

protected DefaultSnmpRequestHandler()

Default constructor to instantiate the SnmpMessageHandlerImpl object.

Method Detail

isHandler

public boolean isHandler(int type)

This method returns true if it is the right handler to handle the message.

Specified by:

isHandler in interface SnmpMessageHandler

Parameters:

type - Type of the operation

checkPDU

protected int checkPDU(SnmpPdu snmpPdu)
                throws SnmpException

This method verifies each OID in the PDU to see if it is existed in the MIB database. If the OID does not exist in the MIB database, the method will return the index number of the OID in the PDU.

Parameters:

snmpPdu - The PDU to be checked.

Returns:

Returns -1 if each OID in the PDU existed in the MIB database. Otherwise, the index number of the OID is returned.

SnmpException