public class IntersectionBuilder extends GridFeatureBuilder {
final FilterFactory2 ff2 = CommonFactoryFinder.getFilterFactory2(null);
final GeometryFactory gf = JTSFactoryFinder.getGeometryFactory(null);
final SimpleFeatureSource source;
int id = 0;
public IntersectionBuilder(SimpleFeatureType type, SimpleFeatureSource source) {
super(type);
this.source = source;
}
public void setAttributes(GridElement el, Map<String, Object> attributes) {
attributes.put("id", ++id);
}
@Override
public boolean getCreateFeature(GridElement el) {
Coordinate c = ((PolygonElement) el).getCenter();
Geometry p = gf.createPoint(c);
Filter filter = ff2.intersects(ff2.property("the_geom"), ff2.literal(p));
boolean result = false;
try {
result = !source.getFeatures(filter).isEmpty();
} catch (IOException ex) {
throw new IllegalStateException(ex);
}
return result;
}
}
private static ArrayList<Integer> LocateCurrentZone(
String Coordinates, String VesselProductType, HashMap<Integer, VesselZone> Zonemap) {
String[] longlat = Coordinates.split(",");
GeometryFactory geometryFactory = JTSFactoryFinder.getGeometryFactory(null);
Coordinate coord =
new Coordinate(Double.parseDouble(longlat[1]), Double.parseDouble(longlat[0]));
Point point = geometryFactory.createPoint(coord);
ArrayList<Integer> CurrentZones = new ArrayList<Integer>();
Integer BelongedGlobalZoneIndex = null;
for (int i = 0; i < VesselZone.GlobalZones.length; i++) {
if (VesselZone.GlobalZones[i].covers(point)) {
BelongedGlobalZoneIndex = i;
break;
}
}
for (Map.Entry<Integer, VesselZone> thisEntry : Zonemap.entrySet()) {
VesselZone thisZone = thisEntry.getValue();
String ZoneType = thisZone.getZoneType();
if (ZoneType.startsWith("ZONE")) {
String Classfications = ZoneType.substring(5);
if (VesselProductType.equals("Tankers")) {
if (Classfications.indexOf("TANKER") == -1) {
continue;
}
} else if (VesselProductType.equals("Bulkers")) {
if (Classfications.indexOf("DRY") == -1) {
continue;
}
} else if (VesselProductType.equals("Container / Roro")) {
if (Classfications.indexOf("LINER") == -1) {
continue;
}
} else if (VesselProductType.equals("Miscellaneous")
|| VesselProductType.equals("Passenger")) {
continue;
}
}
if (thisZone.IntersectedWithGlobalZone(BelongedGlobalZoneIndex)) {
if (thisZone.getPolygon().covers(point)) {
CurrentZones.add(thisZone.getAxsmarine_ID());
}
}
}
return CurrentZones;
}
/**
* A geometry spanning all longitudes between latitude1 and latitude2. In latlong space this is a
* rectangle. On the globe it is the spherical section between two parallel planes (both at right
* angles to the axis).
*/
static Geometry betweenTwoLatitudes(double latitude1, double latitude2) {
GeometryFactory geometryFactory = JTSFactoryFinder.getGeometryFactory(null);
LinearRing border =
geometryFactory.createLinearRing(
new Coordinate[] {
new Coordinate(MIN_LONGITUDE, latitude1),
new Coordinate(MIN_LONGITUDE, latitude2),
new Coordinate(MAX_LONGITUDE, latitude2),
new Coordinate(MAX_LONGITUDE, latitude1),
new Coordinate(MIN_LONGITUDE, latitude1)
});
return border.convexHull();
}
@Test
public void snapPointTest() {
GeometryFactory gf = JTSFactoryFinder.getGeometryFactory();
Coordinate coord1 = new Coordinate(89.37412487, 110.2487538);
Coordinate coord2 = new Coordinate(125.76543268795456, 130.0001458);
Coordinate coord3 = new Coordinate(100.02458, 119.88754);
LineString line = gf.createLineString(new Coordinate[] {coord1, coord2});
Point point = gf.createPoint(coord3);
Point snapPoint = JTSUtil.snapPointToLineStringByLIL(line, point);
System.out.println(snapPoint.toText());
Double a = 5.00000;
String str = String.valueOf(a);
System.out.println(str);
System.out.println("test");
}
/**
* An approximation to the space surrounding the given meridian.
*
* <p>Draws a rhombus (in latitude & longitude space) centered on {@code meridian} from the north
* pole to the south pole with a small constant width at the equator.
*/
static Geometry aroundMeridian(double meridian) {
GeometryFactory geometryFactory = JTSFactoryFinder.getGeometryFactory(null);
Coordinate northPole = new Coordinate(meridian, MAX_LATITUDE);
Coordinate equatorEpsilonEast =
new Coordinate(meridian + MERIDIAN_CROP_WIDTH_AT_EQUATOR, EQUATOR_LATITUDE);
Coordinate equatorEpsilonWest =
new Coordinate(meridian - MERIDIAN_CROP_WIDTH_AT_EQUATOR, EQUATOR_LATITUDE);
Coordinate southPole = new Coordinate(meridian, MIN_LATITUDE);
LineString easternLine =
geometryFactory.createLineString(
new Coordinate[] {northPole, equatorEpsilonEast, southPole});
LineString westernLine =
geometryFactory.createLineString(
new Coordinate[] {northPole, equatorEpsilonWest, southPole});
return easternLine.union(westernLine).convexHull();
}
@Override
protected void reduce(
Key_IMOAndRecordTime key, Iterable<TextArrayWritable> LocationList, Context context)
throws IOException, InterruptedException {
try {
context.getCounter(Counters.VESSEL_PROCESSED).increment(1);
String IMO_str = LpadNum(key.getIMO().get(), 7);
long first_pos_time = key.getRecordTime().get();
/////////////////////////////////////////////////////////////////////////////////
// Populate newPoints with new locations
List<VesselLocation> newPoints = new ArrayList<VesselLocation>();
for (TextArrayWritable rowcontent : LocationList) {
// population location
context.getCounter(Counters.LOCATION_ROWS).increment(1);
VesselLocation newlocation = new VesselLocation();
try {
Writable[] content = rowcontent.get();
String Latitude = content[16].toString().trim();
String Longitude = content[15].toString().trim();
String Coordinates = Latitude + "," + Longitude;
String Speed = content[18].toString().trim();
String Destination = content[9].toString().trim();
String Timestamp = content[21].toString().trim().substring(0, 19);
long record_time = DateTime.parse(Timestamp, rawformatter).getMillis();
newlocation.coordinates = Coordinates;
newlocation.recordtime = record_time;
newlocation.speed = Speed;
newlocation.destination = Destination;
context.getCounter(Counters.LOCATION_VALID).increment(1);
} catch (Exception e) {
e.printStackTrace();
context.getCounter(Counters.LOCATION_ERROR).increment(1);
continue;
}
newPoints.add(newlocation);
}
/////////////////////////////////////////////////////////////////////////////////
// Get last new post time
long last_pos_time = newPoints.get(newPoints.size() - 1).recordtime;
////////////////////////////////////////////////////////////////////////////////
// Get Existing trackinfo
VesselTrackInfo VTI = getTrackInfo(TrackInfo_Table, IMO_str);
List<VesselLocation> AllBetweenPoints = new ArrayList<VesselLocation>();
String BeforeRowKey = null;
String AfterRowKey = null;
// //////////////////////////////////////////////////////////////////////////////
// Retrieve all the existing locations between the first new location and the last new
// location.
if ((VTI.FirstRecordTime != null) && (VTI.LastRecordTime != null)) {
if (last_pos_time < VTI.FirstRecordTime) {
AfterRowKey = IMO_str + LpadNum(Long.MAX_VALUE - VTI.FirstRecordTime, 19);
} else if (first_pos_time > VTI.LastRecordTime) {
BeforeRowKey = IMO_str + LpadNum(Long.MAX_VALUE - VTI.LastRecordTime, 19);
} else {
AllBetweenPoints =
ImportReducer.getLocationsBetween(
VTLocation_Table, IMO_str, first_pos_time, last_pos_time);
if (AllBetweenPoints.size() == 0) {
// Search for the first DB point before the first new point
VesselLocation BeforeLocation =
getLocationBefore(VTLocation_Table, IMO_str, first_pos_time);
BeforeRowKey = IMO_str + LpadNum(Long.MAX_VALUE - BeforeLocation.recordtime, 19);
AfterRowKey = BeforeLocation.nextlocation;
} else {
java.util.Collections.sort(AllBetweenPoints);
BeforeRowKey = AllBetweenPoints.get(0).previouslocation;
AfterRowKey = AllBetweenPoints.get(AllBetweenPoints.size() - 1).nextlocation;
}
List<Delete> deletes =
ImportReducer.GetDeleteEventsBetween(
VTEvent_Table, IMO_str, first_pos_time, last_pos_time);
ImportReducer.DeleteEvents(VTEvent, deletes);
VTEvent.flush();
}
}
// Find out the location before the first new location in
VesselLocation BeforeLocation = getLocation(VTLocation_Table, BeforeRowKey);
// Find out the location after the last new location in
VesselLocation AfterLocation = getLocation(VTLocation_Table, AfterRowKey);
Map<Integer, VesselEvent> PreviousZoneEvents = new HashMap<Integer, VesselEvent>();
;
Map<Integer, VesselEvent> AfterZoneEvents = new HashMap<Integer, VesselEvent>();
if (BeforeLocation != null) {
// Get all events with exit at last location
PreviousZoneEvents =
getAllEventsStartBeforeEndAfterBeforeLocation(VTEvent_Table, IMO_str, BeforeLocation);
}
////////////////////////////////////////////////////
// Analyze and calculate previous and next location
for (VesselLocation newlocation : newPoints) {
int index = AllBetweenPoints.indexOf(newlocation);
if (index != -1) {
VesselLocation dblocation = AllBetweenPoints.get(index);
dblocation.coordinates = newlocation.coordinates;
dblocation.destination = newlocation.destination;
dblocation.speed = newlocation.speed;
} else {
AllBetweenPoints.add(newlocation);
}
}
java.util.Collections.sort(AllBetweenPoints);
String previousRowKey = null;
for (VesselLocation location : AllBetweenPoints) {
location.previouslocation = previousRowKey;
previousRowKey = IMO_str + LpadNum(Long.MAX_VALUE - location.recordtime, 19);
}
String NextRowKey = null;
for (int i = (AllBetweenPoints.size() - 1); i >= 0; i--) {
VesselLocation location = AllBetweenPoints.get(i);
location.nextlocation = NextRowKey;
NextRowKey = IMO_str + LpadNum(Long.MAX_VALUE - location.recordtime, 19);
}
AllBetweenPoints.get(0).previouslocation = BeforeRowKey;
AllBetweenPoints.get(AllBetweenPoints.size() - 1).nextlocation = AfterRowKey;
////////////////////////////////////////////////////
// Upsert all locations
for (VesselLocation location : AllBetweenPoints) {
// population location
try {
byte[] rowkey =
Bytes.toBytes(IMO_str + LpadNum(Long.MAX_VALUE - location.recordtime, 19));
Put put = new Put(rowkey);
put.addColumn(details, speed, Bytes.toBytes(location.speed));
put.addColumn(details, destination, Bytes.toBytes(location.destination));
put.addColumn(details, coordinates, Bytes.toBytes(location.coordinates));
put.addColumn(
details,
timestamp,
Bytes.toBytes(new DateTime(location.recordtime).toString(rawformatter)));
if (location.previouslocation != null) {
put.addColumn(details, previouslocation, Bytes.toBytes(location.previouslocation));
}
if (location.nextlocation != null) {
put.addColumn(details, nextlocation, Bytes.toBytes(location.nextlocation));
}
VTLocation.mutate(put);
} catch (Exception e) {
e.printStackTrace();
context.getCounter(Counters.LOCATION_ERROR).increment(1);
continue;
}
}
// update before next location and after previous location
if (BeforeRowKey != null) {
Put BeforeLocationPut = new Put(Bytes.toBytes(BeforeRowKey));
BeforeLocationPut.addColumn(
details,
nextlocation,
Bytes.toBytes(
IMO_str + LpadNum(Long.MAX_VALUE - AllBetweenPoints.get(0).recordtime, 19)));
VTLocation.mutate(BeforeLocationPut);
}
if (AfterRowKey != null) {
Put AfterLocationPut = new Put(Bytes.toBytes(AfterRowKey));
AfterLocationPut.addColumn(
details,
previouslocation,
Bytes.toBytes(
IMO_str
+ LpadNum(
Long.MAX_VALUE
- AllBetweenPoints.get(AllBetweenPoints.size() - 1).recordtime,
19)));
VTLocation.mutate(AfterLocationPut);
}
VTLocation.flush();
/////////////////////////////////////////////////////////////////////
// Store latest location
// rowkey: global zone id (4)+ longlat22
// ((long11(sign(1)+integer(3)+digit(7)))(lat11(sign(1)+integer(3)+(7))))+imo(7)+recordtime(19)
/////////////////////////////////////////////////////////////////////
Put vessel_track_info = new Put(Bytes.toBytes(IMO_str));
if (AfterLocation == null) {
// Get the last location
VesselLocation lastLocation = AllBetweenPoints.get(AllBetweenPoints.size() - 1);
// update the last location
String[] longlat = lastLocation.coordinates.split(",");
GeometryFactory geometryFactory = JTSFactoryFinder.getGeometryFactory(null);
Coordinate coord =
new Coordinate(Double.parseDouble(longlat[1]), Double.parseDouble(longlat[0]));
Point point = geometryFactory.createPoint(coord);
Integer BelongedGlobalZoneIndex = null;
for (int i = 0; i < VesselZone.GlobalZones.length; i++) {
if (VesselZone.GlobalZones[i].covers(point)) {
BelongedGlobalZoneIndex = i;
break;
}
}
if (VTI.LastLocation != null) {
LastLocation_BM.mutate(new Delete(VTI.LastLocation));
}
byte[] lastlocationrowkey =
Bytes.toBytes(
LpadNum(BelongedGlobalZoneIndex, 4)
+ ConvertCoordinatesToStr(longlat[1])
+ ConvertCoordinatesToStr(longlat[0]));
Put lastlocation_put = new Put(lastlocationrowkey);
lastlocation_put.addColumn(details, imo, Bytes.toBytes(IMO_str));
lastlocation_put.addColumn(
details,
timestamp,
Bytes.toBytes(new DateTime(lastLocation.recordtime).toString(rawformatter)));
LastLocation_BM.mutate(lastlocation_put);
LastLocation_BM.flush();
vessel_track_info.addColumn(details, lastlocation, lastlocationrowkey);
vessel_track_info.addColumn(
details,
lastrecordtime,
Bytes.toBytes(new DateTime(lastLocation.recordtime).toString(rawformatter)));
} else {
// Get events that start before last new location and end after last new location
AfterZoneEvents =
getAllEventsStartBeforeEndAfter(VTEvent_Table, IMO_str, AfterLocation.recordtime);
}
// update firstrecordtime and lastrecordtime
if (BeforeLocation == null) {
vessel_track_info.addColumn(
details,
firstrecordtime,
Bytes.toBytes(
new DateTime(AllBetweenPoints.get(0).recordtime).toString(rawformatter)));
}
if (!vessel_track_info.isEmpty()) {
TrackInfo_BM.mutate(vessel_track_info);
TrackInfo_BM.flush();
}
////////////////////////////////////////////////////////////////////
ArrayList<VesselEvent> DerivedEventList = new ArrayList<VesselEvent>();
///////////////////////////////////////////////////////////
// Get Vessel
String VesselType = getVesselType(Vessel_Table, IMO_str);
if (VesselType == null) {
context.getCounter(Counters.VESSEL_WITHOUTTYPE).increment(1);
return;
}
// calculating event
for (VesselLocation VL : AllBetweenPoints) {
ArrayList<Integer> CurrentZones = LocateCurrentZone(VL.coordinates, VesselType, Zonemap);
Iterator<Map.Entry<Integer, VesselEvent>> it = PreviousZoneEvents.entrySet().iterator();
while (it.hasNext()) {
Map.Entry<Integer, VesselEvent> thisEntry = it.next();
int Zone_Axsmarine_id = thisEntry.getKey();
if (!CurrentZones.contains(Zone_Axsmarine_id)) {
VesselEvent PreviousEvent = thisEntry.getValue();
if (!DerivedEventList.contains(PreviousEvent)) {
DerivedEventList.add(PreviousEvent);
}
// remove close event from PreviousZoneEvents;
it.remove();
}
}
for (Integer thisZone_Axsmarine_id : CurrentZones) {
if (PreviousZoneEvents.containsKey(thisZone_Axsmarine_id)) {
//////////////////////////////////////////////////
// For current zones which both previous and current locations belong to, update exit
// point of previous open events with current locations.
//////////////////////////////////////////////////
VesselEvent PreviousEvent = PreviousZoneEvents.get(thisZone_Axsmarine_id);
PreviousEvent.exitcoordinates = VL.coordinates;
PreviousEvent.exittime = VL.recordtime;
PreviousEvent.destination = VL.destination;
if (!DerivedEventList.contains(PreviousEvent)) {
DerivedEventList.add(PreviousEvent);
}
} else {
//////////////////////////////////////////////////
// For current zones which only current locations belong to, fire new open events
//////////////////////////////////////////////////
VesselEvent NewEvent = new VesselEvent();
NewEvent.entrycoordinates = VL.coordinates;
NewEvent.entrytime = VL.recordtime;
NewEvent.exitcoordinates = VL.coordinates;
NewEvent.exittime = VL.recordtime;
NewEvent.destination = VL.destination;
NewEvent.polygonid = thisZone_Axsmarine_id;
PreviousZoneEvents.put(thisZone_Axsmarine_id, NewEvent);
DerivedEventList.add(NewEvent);
}
}
}
///////////////////////////////////////////////////////////////////////////////////////
// Merge with PreviousZoneEvents with AfterZoneEvents
Iterator<Map.Entry<Integer, VesselEvent>> it = AfterZoneEvents.entrySet().iterator();
while (it.hasNext()) {
Map.Entry<Integer, VesselEvent> thisEntry = it.next();
int Zone_Axsmarine_id = thisEntry.getKey();
VesselEvent After_VE = thisEntry.getValue();
VesselEvent Previous_VE = PreviousZoneEvents.get(Zone_Axsmarine_id);
if (Previous_VE != null) {
Previous_VE.exitcoordinates = After_VE.exitcoordinates;
Previous_VE.exittime = After_VE.exittime;
Previous_VE.destination = After_VE.destination;
if (!DerivedEventList.contains(Previous_VE)) {
DerivedEventList.add(Previous_VE);
}
} else {
VesselEvent NewEvent = new VesselEvent();
NewEvent.entrycoordinates = AfterLocation.coordinates;
NewEvent.entrytime = AfterLocation.recordtime;
NewEvent.exitcoordinates = After_VE.exitcoordinates;
NewEvent.exittime = After_VE.exittime;
NewEvent.destination = After_VE.destination;
NewEvent.polygonid = Zone_Axsmarine_id;
DerivedEventList.add(NewEvent);
}
// Delete This Event from HBase
DeleteEvent(VTEvent, IMO_str, After_VE);
}
VTEvent.flush();
// pupulate Derived Events into Hbase
for (VesselEvent newEvent : DerivedEventList) {
// rowkey: IMO(7)+timestamp(19 desc)+polygonid(8)
// qualifier:entrytime,entrycoordinates,exittime,exitcoordinates,destination
context.getCounter(Counters.EVENT_UPSERTS).increment(1);
byte[] rowkey =
Bytes.toBytes(
IMO_str
+ LpadNum(Long.MAX_VALUE - newEvent.entrytime, 19)
+ LpadNum(newEvent.polygonid, 10));
Put put = new Put(rowkey);
put.addColumn(
details,
entrytime,
Bytes.toBytes(new DateTime(newEvent.entrytime).toString(rawformatter)));
put.addColumn(details, entrycoordinates, Bytes.toBytes(newEvent.entrycoordinates));
put.addColumn(
details,
exittime,
Bytes.toBytes(new DateTime(newEvent.exittime).toString(rawformatter)));
put.addColumn(details, exitcoordinates, Bytes.toBytes(newEvent.exitcoordinates));
put.addColumn(details, destination, Bytes.toBytes(newEvent.destination));
VTEvent.mutate(put);
context.getCounter(Counters.EVENT_VALID).increment(1);
}
// VTLocation.flush(); Moved to the first step
VTEvent.flush();
} catch (RuntimeException e) {
// TODO Auto-generated catch block
System.out.println("Exception occured while loading data for:" + key.getIMO());
throw e;
}
}
@RequestMapping(
value = "/projects/{id}/cleanse",
method = RequestMethod.POST,
produces = "application/xml")
@PreAuthorize("hasPermission(#project, 'write')")
public void processCleanse(
@ModelAttribute(value = "project") Project project,
@RequestParam(value = "operation", required = true) String operation,
@RequestParam(value = "fromDate", required = false) String fromDateString,
@RequestParam(value = "toDate", required = false) String toDateString,
@RequestParam(value = "animal") List<Long> animalIds,
@RequestParam(value = "maxSpeed", required = false) Double maxSpeed,
@RequestParam(value = "minArgosClass", required = false) String minArgosClassCode,
@RequestParam(value = "maxDop", required = false) Double maxDop,
HttpServletRequest request,
HttpServletResponse response)
throws IOException, RserveInterfaceException {
Date fromDate = null;
Date toDate = null;
try {
if (StringUtils.isNotBlank(fromDateString)) {
fromDate = isoDateFormat.parse(fromDateString);
}
if (StringUtils.isNotBlank(toDateString)) {
toDate = (toDateString == null) ? null : isoDateFormat.parse(toDateString);
}
} catch (java.text.ParseException e1) {
PrintWriter out = response.getWriter();
out.append("<?xml version=\"1.0\"?>\n");
out.append("<cleanse-response xmlns=\"http://oztrack.org/xmlns#\">\n");
out.append(" <error>Invalid date parameters</error>\n");
out.append("</cleanse-response>\n");
response.setStatus(200);
return;
}
MultiPolygon multiPolygon = null;
String[] polygonsWkt = request.getParameterValues("polygon");
if ((polygonsWkt != null) && (polygonsWkt.length > 0)) {
Hints hints = new Hints();
hints.put(Hints.CRS, DefaultGeographicCRS.WGS84);
GeometryFactory geometryFactory = JTSFactoryFinder.getGeometryFactory(hints);
WKTReader reader = new WKTReader(geometryFactory);
ArrayList<Polygon> polygons = new ArrayList<Polygon>();
for (String polygonWkt : polygonsWkt) {
try {
Polygon polygon = (Polygon) reader.read(polygonWkt);
polygons.add(polygon);
} catch (ParseException e) {
throw new RuntimeException("Error reading polygon: " + polygonWkt, e);
}
}
multiPolygon = geometryFactory.createMultiPolygon(polygons.toArray(new Polygon[0]));
}
Set<PositionFix> speedFilterPositionFixes = null;
if (maxSpeed != null) {
speedFilterPositionFixes = new HashSet<PositionFix>();
SearchQuery searchQuery = new SearchQuery();
searchQuery.setProject(project);
searchQuery.setFromDate(fromDate);
searchQuery.setToDate(toDate);
searchQuery.setAnimalIds(animalIds);
List<PositionFix> positionFixList = positionFixDao.getProjectPositionFixList(searchQuery);
RserveInterface rserveInterface = new RserveInterface(rserveConnectionPool);
Map<Long, Set<Date>> animalDates =
rserveInterface.runSpeedFilter(project, positionFixList, maxSpeed);
for (PositionFix positionFix : positionFixList) {
Set<Date> dates = animalDates.get(positionFix.getAnimal().getId());
// Need to create new java.util.Date here because positionFix.detectionTime is a
// java.sql.Timestamp.
// Date and Timestamp have same hashCode but their equals methods differ, breaking contains
// call.
if ((dates != null) && dates.contains(new Date(positionFix.getDetectionTime().getTime()))) {
speedFilterPositionFixes.add(positionFix);
}
}
}
ArgosClass minArgosClass = ArgosClass.fromCode(minArgosClassCode);
if (operation.equals("delete")) {
int numDeleted =
positionFixDao.setDeleted(
project,
fromDate,
toDate,
animalIds,
multiPolygon,
speedFilterPositionFixes,
minArgosClass,
maxDop,
true);
positionFixDao.renumberPositionFixes(project);
PrintWriter out = response.getWriter();
out.append("<?xml version=\"1.0\"?>\n");
out.append("<cleanse-response xmlns=\"http://oztrack.org/xmlns#\">\n");
out.append(" <num-deleted>" + numDeleted + "</num-deleted>\n");
out.append("</cleanse-response>\n");
response.setStatus(200);
return;
} else if (operation.equals("undelete")) {
int numUndeleted =
positionFixDao.setDeleted(
project,
fromDate,
toDate,
animalIds,
multiPolygon,
speedFilterPositionFixes,
minArgosClass,
maxDop,
false);
positionFixDao.renumberPositionFixes(project);
PrintWriter out = response.getWriter();
out.append("<?xml version=\"1.0\"?>\n");
out.append("<cleanse-response xmlns=\"http://oztrack.org/xmlns#\">\n");
out.append(" <num-undeleted>" + numUndeleted + "</num-undeleted>\n");
out.append("</cleanse-response>\n");
response.setStatus(200);
return;
} else {
PrintWriter out = response.getWriter();
out.append("<?xml version=\"1.0\"?>\n");
out.append("<cleanse-response xmlns=\"http://oztrack.org/xmlns#\">\n");
out.append(" <error>" + "Unknown operation: " + operation + "</error>\n");
out.append("</cleanse-response>\n");
response.setStatus(400);
return;
}
}
public AverageSurfaceMetric() {
this.structureUri = NAMESPACE + "metric/averageSurface";
this.geometryFactory = JTSFactoryFinder.getGeometryFactory(null);
}
/**
* Helper class used by {@code InfoTool} to query {@code MapLayers} with vector feature data.
*
* <p>Implementation note: this class keeps only a weak reference to the {@code MapLayer} it is
* working with to avoid memory leaks if the layer is deleted.
*
* @see InfoTool
* @see GridLayerHelper
* @author Michael Bedward
* @since 2.6
* @source $URL$
* @version $URL$
*/
public class VectorLayerHelper extends InfoToolHelper<FeatureCollection> {
private static final GeometryFactory geometryFactory = JTSFactoryFinder.getGeometryFactory(null);
private static final FilterFactory2 filterFactory = CommonFactoryFinder.getFilterFactory2(null);
private final WeakReference<MapLayer> layerRef;
private final String attrName;
private final boolean isPolygonGeometry;
/**
* Create a new helper to work with a {@code MapLayer} that has vector feature data.
*
* @param layer the map layer
* @param geomAttributeName the name of the geometry attribute for {@code Features}
* @param geomClass the geometry class
*/
public VectorLayerHelper(MapContext context, MapLayer layer) {
super(context, layer.getFeatureSource().getSchema().getCoordinateReferenceSystem());
this.layerRef = new WeakReference<MapLayer>(layer);
final GeometryDescriptor geomDesc =
layer.getFeatureSource().getSchema().getGeometryDescriptor();
this.attrName = geomDesc.getLocalName();
final Class<? extends Geometry> geomClass =
(Class<? extends Geometry>) geomDesc.getType().getBinding();
final Geometries type = Geometries.getForBinding(geomClass);
this.isPolygonGeometry = (type == Geometries.POLYGON || type == Geometries.MULTIPOLYGON);
}
/** {@inheritDoc} */
public boolean isValid() {
return getMapContext() != null && layerRef != null && layerRef.get() != null;
}
/**
* Get the {@code MapLayer} that this helper is working with.
*
* @return the {@code MapLayer} or null if the original layer is no longer valid
* @see #isValid()
*/
public MapLayer getMapLayer() {
return layerRef != null ? layerRef.get() : null;
}
/*
* Get feature data at the given position.
*
* @param pos the location to query
*
*
*/
/**
* {@inheritDoc}
*
* @param params a {@code Double} value for the search radius to use with point or line features
* @return the features that lie within the search radius of {@code pos}; if this helper is not
* valid an empty collection will be returned
* @throws IOException if the feature source for the layer cannot be accessed
*/
public FeatureCollection getInfo(DirectPosition2D pos, Object... params) throws IOException {
FeatureCollection<? extends FeatureType, ? extends Feature> collection = null;
MapLayer layer = layerRef.get();
if (layer != null) {
Filter filter = null;
if (isPolygonGeometry) {
/*
* Polygon features - use an intersects filter
*/
Geometry posGeom = createSearchPos(pos);
filter =
filterFactory.intersects(
filterFactory.property(attrName), filterFactory.literal(posGeom));
} else {
/*
* Line or point features - use a bounding box filter
*/
double radius = ((Number) params[0]).doubleValue();
ReferencedEnvelope env = createSearchEnv(pos, radius);
filter = filterFactory.bbox(filterFactory.property(attrName), env);
}
DefaultQuery query = new DefaultQuery(null, filter);
query.setCoordinateSystemReproject(getMapContext().getCoordinateReferenceSystem());
collection = layer.getFeatureSource().getFeatures(query);
}
return collection;
}
private Geometry createSearchPos(DirectPosition2D pos) {
Geometry point = geometryFactory.createPoint(new Coordinate(pos.x, pos.y));
if (isTransformRequired()) {
MathTransform transform = getTransform();
if (transform != null) {
try {
point = JTS.transform(point, transform);
} catch (Exception ex) {
throw new IllegalStateException(ex);
}
}
}
return point;
}
private ReferencedEnvelope createSearchEnv(DirectPosition2D pos, double radius) {
final CoordinateReferenceSystem contextCRS = getMapContext().getCoordinateReferenceSystem();
ReferencedEnvelope env =
new ReferencedEnvelope(
pos.x - radius, pos.x + radius, pos.y - radius, pos.y + radius, contextCRS);
if (isTransformRequired()) {
CoordinateReferenceSystem layerCRS =
layerRef.get().getFeatureSource().getSchema().getCoordinateReferenceSystem();
try {
env = env.transform(layerCRS, true);
} catch (Exception ex) {
throw new IllegalStateException(ex);
}
}
return env;
}
}
