@Override
public void accept(AisPacket packet) {
if (out == null) {
// Open new output stream
out = getNextOutputStram();
}
end = System.currentTimeMillis();
if (start == 0) {
start = end;
}
for (IPacketFilter filter : filters) {
if (filter.rejectedByFilter(packet)) {
return;
}
}
Integer baseMMSI = -1;
String country = "";
String region = "";
Vdm vdm = packet.getVdm();
if (vdm == null) {
return;
}
// Get source tag properties
IProprietarySourceTag sourceTag = vdm.getSourceTag();
if (sourceTag != null) {
baseMMSI = sourceTag.getBaseMmsi();
if (sourceTag.getCountry() != null) {
country = sourceTag.getCountry().getTwoLetter();
}
if (sourceTag.getRegion() != null) {
region = sourceTag.getRegion();
}
}
if (region.equals("")) {
region = "0";
}
// Maybe check for start date
Date timestamp = vdm.getTimestamp();
if (filter.getStartDate() != null && timestamp != null) {
if (timestamp.before(filter.getStartDate())) {
return;
}
}
// Maybe check for end date
if (filter.getEndDate() != null && timestamp != null) {
if (timestamp.after(filter.getEndDate())) {
System.exit(0);
}
}
// Maybe check for base station MMSI
if (filter.getBaseStations().size() > 0) {
if (!filter.getBaseStations().contains(baseMMSI)) {
return;
}
}
// Maybe check for country
if (filter.getCountries().size() > 0) {
if (!filter.getCountries().contains(country)) {
return;
}
}
// Maybe check for region
if (filter.getRegions().size() > 0) {
if (!filter.getRegions().contains(region)) {
return;
}
}
if (stop) {
return;
}
// Count message
msgCount++;
// Print tag line packet
out.print(packet.getStringMessage() + "\r\n");
// Count bytes
bytes += packet.getStringMessage().length() + 2;
currentFileBytes += packet.getStringMessage().length() + 2;
// Maybe print parsed
if (dumpParsed) {
if (timestamp != null) {
out.println("+ timetamp " + timestampFormat.format(timestamp));
}
if (vdm.getTags() != null) {
for (IProprietaryTag tag : vdm.getTags()) {
out.println("+ " + tag.toString());
}
}
AisMessage aisMessage = packet.tryGetAisMessage();
if (aisMessage != null) {
out.println("+ " + aisMessage.toString());
} else {
out.println("+ AIS message could not be parsed");
}
// Check for binary message
if (aisMessage instanceof AisBinaryMessage) {
AisBinaryMessage binaryMessage = (AisBinaryMessage) aisMessage;
try {
AisApplicationMessage appMessage = binaryMessage.getApplicationMessage();
out.println(appMessage);
} catch (SixbitException e) {
}
}
out.println("---------------------------");
}
// Maybe time for new outfile
if (splitSize != null && currentFileBytes >= splitSize) {
out.close();
out = null;
currentFileBytes = 0;
}
}
/**
* Test encoding of binary route information message
*
* @throws SentenceException
* @throws AisMessageException
* @throws BitExhaustionException
*/
@Test
public void addressedRouteEncode()
throws SentenceException, SixbitException, AisMessageException {
int userId = 992199007;
int destination = 219015063;
// Make ASM
AddressedRouteInformation route = new AddressedRouteInformation();
route.setSenderClassification(1);
route.setRouteType(RouteInformation.RouteType.RECOMMENDED.ordinal());
route.setStartMonth(1);
route.setStartDay(13);
route.setStartHour(16);
route.setStartMin(50);
route.setDuration(35);
route.setMsgLinkId(10);
// Add waypoints
List<AisPosition> waypoints = new ArrayList<>();
waypoints.add(new AisPosition(Position.create(55.845283333333334, 12.704933333333333)));
waypoints.add(new AisPosition(Position.create(55.913383333333336, 12.6453)));
waypoints.add(new AisPosition(Position.create(55.93476666666667, 12.644016666666667)));
waypoints.add(new AisPosition(Position.create(55.97728333333333, 12.7015)));
waypoints.add(new AisPosition(Position.create(56.00, 12.8)));
waypoints.add(new AisPosition(Position.create(56.10, 12.9)));
for (AisPosition aisPosition : waypoints) {
route.addWaypoint(aisPosition);
}
// Make addressed binary AIS message
AisMessage6 msg6 = new AisMessage6();
msg6.setUserId(userId);
msg6.setDestination(destination);
msg6.setRetransmit(0);
msg6.setAppMessage(route);
System.out.println("Route message 6: " + msg6);
// Make ABM sentences
Abm abm = new Abm();
abm.setTalker("AI");
abm.setTotal(1);
abm.setNum(1);
abm.setDestination(destination);
abm.setBinaryData(msg6);
abm.setSequence(0);
String encoded = abm.getEncoded();
System.out.println("Route ABM encoded: " + encoded);
// Make VDM sentences
String[] vdms = Vdm.createSentences(msg6, 0);
System.out.println("Route VDM encoded:\n" + StringUtils.join(vdms, "\r\n"));
// Decode VDM sentences
Vdm vdm = new Vdm();
for (int i = 0; i < vdms.length; i++) {
int result = vdm.parse(new SentenceLine(vdms[i]));
if (i < vdms.length - 1) {
Assert.assertEquals(result, 1);
} else {
Assert.assertEquals(result, 0);
}
}
// Extract AisMessage6
msg6 = (AisMessage6) AisMessage.getInstance(vdm);
System.out.println("msg6 decoded: " + msg6);
// Get the ASM
AisApplicationMessage appMsg = msg6.getApplicationMessage();
AddressedRouteInformation parsedRoute = (AddressedRouteInformation) appMsg;
System.out.println("sentenceStr 6 application: " + appMsg);
// Assert if mathes original
Assert.assertEquals(parsedRoute.getWaypointCount(), waypoints.size());
Assert.assertEquals(route.getMsgLinkId(), parsedRoute.getMsgLinkId());
Assert.assertEquals(route.getSenderClassification(), parsedRoute.getSenderClassification());
Assert.assertEquals(route.getRouteType(), parsedRoute.getRouteType());
Assert.assertEquals(route.getDuration(), parsedRoute.getDuration());
Assert.assertEquals(route.getStartMonth(), parsedRoute.getStartMonth());
Assert.assertEquals(route.getStartDay(), parsedRoute.getStartDay());
Assert.assertEquals(route.getStartHour(), parsedRoute.getStartHour());
Assert.assertEquals(route.getStartMin(), parsedRoute.getStartMin());
for (int i = 0; i < parsedRoute.getWaypointCount(); i++) {
AisPosition parsedWp = parsedRoute.getWaypoints().get(i);
AisPosition orgWp = waypoints.get(i);
Assert.assertTrue(parsedWp.equals(orgWp));
}
}
public AisMessage19(Vdm vdm) throws AisMessageException, SixbitException {
super(vdm);
parse(vdm.getBinArray());
}
