edu.nps.moves.dis7.PduFactory Maven / Gradle / Ivy
package edu.nps.moves.dis7;
import edu.nps.moves.dis7.AcknowledgePdu;
import edu.nps.moves.dis7.AcknowledgeReliablePdu;
import edu.nps.moves.dis7.ActionRequestPdu;
import edu.nps.moves.dis7.ActionRequestReliablePdu;
import edu.nps.moves.dis7.ActionResponsePdu;
import edu.nps.moves.dis7.ActionResponseReliablePdu;
import edu.nps.moves.dis7.ArealObjectStatePdu;
import edu.nps.moves.dis7.CollisionElasticPdu;
import edu.nps.moves.dis7.CollisionPdu;
import edu.nps.moves.dis7.CommentPdu;
import edu.nps.moves.dis7.CommentReliablePdu;
import edu.nps.moves.dis7.CreateEntityPdu;
import edu.nps.moves.dis7.CreateEntityReliablePdu;
import edu.nps.moves.dis7.DataPdu;
import edu.nps.moves.dis7.DataQueryPdu;
import edu.nps.moves.dis7.DataQueryReliablePdu;
import edu.nps.moves.dis7.DataReliablePdu;
import edu.nps.moves.dis7.DesignatorPdu;
import edu.nps.moves.dis7.DetonationPdu;
import edu.nps.moves.dis7.ElectronicEmissionsPdu;
import edu.nps.moves.dis7.EntityStatePdu;
import edu.nps.moves.dis7.EntityStateUpdatePdu;
import edu.nps.moves.dis7.EventReportPdu;
import edu.nps.moves.dis7.EventReportReliablePdu;
import edu.nps.moves.dis7.FirePdu;
import edu.nps.moves.dis7.IntercomControlPdu;
import edu.nps.moves.dis7.IntercomSignalPdu;
import edu.nps.moves.dis7.IsPartOfPdu;
import edu.nps.moves.dis7.LinearObjectStatePdu;
import edu.nps.moves.dis7.MinefieldResponseNackPdu;
import edu.nps.moves.dis7.MinefieldStatePdu;
import edu.nps.moves.dis7.Pdu;
import edu.nps.moves.dis7.PointObjectStatePdu;
import edu.nps.moves.dis7.ReceiverPdu;
import edu.nps.moves.dis7.RecordQueryReliablePdu;
import edu.nps.moves.dis7.RemoveEntityPdu;
import edu.nps.moves.dis7.RemoveEntityReliablePdu;
import edu.nps.moves.dis7.RepairCompletePdu;
import edu.nps.moves.dis7.RepairResponsePdu;
import edu.nps.moves.dis7.ResupplyOfferPdu;
import edu.nps.moves.dis7.ResupplyReceivedPdu;
import edu.nps.moves.dis7.SeesPdu;
import edu.nps.moves.dis7.ServiceRequestPdu;
import edu.nps.moves.dis7.SetDataPdu;
import edu.nps.moves.dis7.SetDataReliablePdu;
import edu.nps.moves.dis7.SignalPdu;
import edu.nps.moves.dis7.StartResumePdu;
import edu.nps.moves.dis7.StartResumeReliablePdu;
import edu.nps.moves.dis7.StopFreezePdu;
import edu.nps.moves.dis7.StopFreezeReliablePdu;
import edu.nps.moves.dis7.TransmitterPdu;
import edu.nps.moves.dis7.UaPdu;
import edu.nps.moves.disenum.PduType;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
public class PduFactory {
private Logger logger;
public PduFactory() {
this.logger = Logger.getLogger(edu.nps.moves.disutil.PduFactory.class.getName());
this.logger.setLevel(Level.OFF);
}
public void setLoggingLevel(Level loggingLevel) {
this.logger.setLevel(loggingLevel);
}
public Pdu createPdu(byte[] data) {
return this.createPdu(ByteBuffer.wrap(data));
}
public Pdu createPdu(ByteBuffer buff) {
int pos = buff.position();
if (pos + 2 > buff.limit()) {
return null;
} else {
buff.position(pos + 2);
int pduType = buff.get() & 255;
buff.position(pos);
PduType pduTypeEnum = PduType.lookup[pduType];
Pdu aPdu = null;
switch (pduTypeEnum) {
case ENTITY_STATE:
aPdu = new EntityStatePdu();
break;
case FIRE:
aPdu = new FirePdu();
break;
case DETONATION:
aPdu = new DetonationPdu();
break;
case COLLISION:
aPdu = new CollisionPdu();
break;
case SERVICE_REQUEST:
aPdu = new ServiceRequestPdu();
break;
case RESUPPLY_OFFER:
aPdu = new ResupplyOfferPdu();
break;
case RESUPPLY_RECEIVED:
aPdu = new ResupplyReceivedPdu();
break;
case REPAIR_COMPLETE:
aPdu = new RepairCompletePdu();
break;
case REPAIR_RESPONSE:
aPdu = new RepairResponsePdu();
break;
case CREATE_ENTITY:
aPdu = new CreateEntityPdu();
break;
case REMOVE_ENTITY:
aPdu = new RemoveEntityPdu();
break;
case START_RESUME:
aPdu = new StartResumePdu();
break;
case STOP_FREEZE:
aPdu = new StopFreezePdu();
break;
case ACKNOWLEDGE:
aPdu = new AcknowledgePdu();
break;
case ACTION_REQUEST:
aPdu = new ActionRequestPdu();
break;
case ACTION_RESPONSE:
aPdu = new ActionResponsePdu();
break;
case DATA_QUERY:
aPdu = new DataQueryPdu();
break;
case SET_DATA:
aPdu = new SetDataPdu();
break;
case DATA:
aPdu = new DataPdu();
break;
case EVENT_REPORT:
aPdu = new EventReportPdu();
break;
case COMMENT:
aPdu = new CommentPdu();
break;
case ELECTROMAGNETIC_EMISSION:
aPdu = new ElectronicEmissionsPdu();
break;
case DESIGNATOR:
aPdu = new DesignatorPdu();
break;
case TRANSMITTER:
aPdu = new TransmitterPdu();
break;
case SIGNAL:
aPdu = new SignalPdu();
break;
case RECEIVER:
aPdu = new ReceiverPdu();
break;
case UNDERWATER_ACOUSTIC:
aPdu = new UaPdu();
break;
case SUPPLEMENTAL_EMISSION_ENTITY_STATE:
aPdu = new SeesPdu();
break;
case INTERCOM_SIGNAL:
aPdu = new IntercomSignalPdu();
break;
case INTERCOM_CONTROL:
aPdu = new IntercomControlPdu();
break;
case ISPARTOF:
aPdu = new IsPartOfPdu();
break;
case MINEFIELD_STATE:
aPdu = new MinefieldStatePdu();
break;
case MINEFIELD_RESPONSE_NAK:
aPdu = new MinefieldResponseNackPdu();
break;
case POINT_OBJECT_STATE:
aPdu = new PointObjectStatePdu();
break;
case LINEAR_OBJECT_STATE:
aPdu = new LinearObjectStatePdu();
break;
case AREAL_OBJECT_STATE:
aPdu = new ArealObjectStatePdu();
break;
case CREATE_ENTITY_R:
aPdu = new CreateEntityReliablePdu();
break;
case REMOVE_ENTITY_R:
aPdu = new RemoveEntityReliablePdu();
break;
case START_RESUME_R:
aPdu = new StartResumeReliablePdu();
break;
case STOP_FREEZE_R:
aPdu = new StopFreezeReliablePdu();
break;
case ACKNOWLEDGE_R:
aPdu = new AcknowledgeReliablePdu();
break;
case ACTION_REQUEST_R:
aPdu = new ActionRequestReliablePdu();
break;
case ACTION_RESPONSE_R:
aPdu = new ActionResponseReliablePdu();
break;
case DATA_QUERY_R:
aPdu = new DataQueryReliablePdu();
break;
case SET_DATA_R:
aPdu = new SetDataReliablePdu();
break;
case DATA_R:
aPdu = new DataReliablePdu();
break;
case EVENT_REPORT_R:
aPdu = new EventReportReliablePdu();
break;
case COMMENT_R:
aPdu = new CommentReliablePdu();
break;
case RECORD_QUERY_R:
aPdu = new RecordQueryReliablePdu();
break;
case COLLISION_ELASTIC:
aPdu = new CollisionElasticPdu();
break;
case ENTITY_STATE_UPDATE:
aPdu = new EntityStateUpdatePdu();
break;
case IFF_ATC_NAVAIDS:
aPdu = new IFFPdu();
break;
case AGGREGATE_STATE:
aPdu = new AggregateStatePdu();
break;
default:
this.logger.log(Level.INFO, "PDU not implemented. Type = " + pduType + "\n");
if (pduTypeEnum != null) {
this.logger.log(Level.INFO, " PDU name is: " + pduTypeEnum.getDescription());
}
}
if (aPdu != null) {
((Pdu) aPdu).unmarshal(buff);
}
return (Pdu) aPdu;
}
}
public List getPdusFromBundle(byte[] data) {
ArrayList pdus = new ArrayList();
int pduStartPointInData = 0;
while (true) {
byte[] remaining = Arrays.copyOfRange(data, pduStartPointInData, data.length);
try {
Pdu pdu = this.createPdu(remaining);
if (pdu == null) {
break;
}
pdus.add(pdu);
int pduLength = pdu.getLength();
pduStartPointInData += pduLength;
if (pduStartPointInData >= data.length) {
break;
}
} catch (Exception var7) {
System.out.println("Problems decoding multiple PDUs in datagram; decoded as may as possible");
break;
}
}
return pdus;
}
}
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