* This implementation of the SnmpPduFactory is very
* basic: it simply calls encoding and decoding methods from
* {@link com.sun.jmx.snmp.SnmpMsg}.
*
*
* public SnmpPdu decodeSnmpPdu(SnmpMsg msg)
* throws SnmpStatusException {
* return msg.decodeSnmpPdu() ;
* }
*
* public SnmpMsg encodeSnmpPdu(SnmpPdu pdu, int maxPktSize)
* throws SnmpStatusException, SnmpTooBigException {
* SnmpMsg result = new SnmpMessage() ; // for SNMP v1/v2
* or
* SnmpMsg result = new SnmpV3Message() ; // for SNMP v3
* result.encodeSnmpPdu(pdu, maxPktSize) ;
* return result ;
* }
*
*
* To implement your own object, you can implement SnmpPduFactory
* or extend SnmpPduFactoryBER.
* This API is a Sun Microsystems internal API and is subject * to change without notice.
*/ public class SnmpPduFactoryBER implements SnmpPduFactory, Serializable { private static final long serialVersionUID = -3525318344000547635L; /** * Calls {@link com.sun.jmx.snmp.SnmpMsg#decodeSnmpPdu SnmpMsg.decodeSnmpPdu} * on the specified message and returns the resultingSnmpPdu.
*
* @param msg The SNMP message to be decoded.
* @return The resulting SNMP PDU packet.
* @exception SnmpStatusException If the encoding is invalid.
*
* @since 1.5
*/
public SnmpPdu decodeSnmpPdu(SnmpMsg msg) throws SnmpStatusException {
return msg.decodeSnmpPdu();
}
/**
* Encodes the specified SnmpPdu and
* returns the resulting SnmpMsg. If this
* method returns null, the specified SnmpPdu
* will be dropped and the current SNMP request will be
* aborted.
*
* @param p The SnmpPdu to be encoded.
* @param maxDataLength The size limit of the resulting encoding.
* @return Null or a fully encoded SnmpMsg.
* @exception SnmpStatusException If pdu contains
* illegal values and cannot be encoded.
* @exception SnmpTooBigException If the resulting encoding does not
* fit into maxPktSize bytes.
*
* @since 1.5
*/
public SnmpMsg encodeSnmpPdu(SnmpPdu p, int maxDataLength)
throws SnmpStatusException, SnmpTooBigException {
switch(p.version) {
case SnmpDefinitions.snmpVersionOne:
case SnmpDefinitions.snmpVersionTwo: {
SnmpMessage result = new SnmpMessage();
result.encodeSnmpPdu((SnmpPduPacket) p, maxDataLength);
return result;
}
case SnmpDefinitions.snmpVersionThree: {
SnmpV3Message result = new SnmpV3Message();
result.encodeSnmpPdu(p, maxDataLength);
return result;
}
default:
return null;
}
}
}