@Override
public GpxData parseRawGps(ProgressMonitor progressMonitor) throws OsmTransferException {
progressMonitor.beginTask("", 1);
try {
progressMonitor.indeterminateSubTask(getTaskName());
if (crosses180th) {
// API 0.6 does not support requests crossing the 180th meridian, so make two requests
GpxData result = downloadRawGps(new Bounds(lat1, lon1, lat2, 180.0), progressMonitor);
result.mergeFrom(downloadRawGps(new Bounds(lat1, -180.0, lat2, lon2), progressMonitor));
return result;
} else {
// Simple request
return downloadRawGps(new Bounds(lat1, lon1, lat2, lon2), progressMonitor);
}
} catch (IllegalArgumentException e) {
// caused by HttpUrlConnection in case of illegal stuff in the response
if (cancel) return null;
throw new OsmTransferException("Illegal characters within the HTTP-header response.", e);
} catch (IOException e) {
if (cancel) return null;
throw new OsmTransferException(e);
} catch (SAXException e) {
throw new OsmTransferException(e);
} catch (OsmTransferException e) {
throw e;
} catch (RuntimeException e) {
if (cancel) return null;
throw e;
} finally {
progressMonitor.finishTask();
}
}
private GpxData downloadRawGps(String url, ProgressMonitor progressMonitor)
throws IOException, OsmTransferException, SAXException {
boolean done = false;
GpxData result = null;
for (int i = 0; !done; ++i) {
progressMonitor.subTask(tr("Downloading points {0} to {1}...", i * 5000, ((i + 1) * 5000)));
InputStream in = getInputStream(url + i, progressMonitor.createSubTaskMonitor(1, true));
if (in == null) {
break;
}
progressMonitor.setTicks(0);
GpxReader reader = new GpxReader(in);
gpxParsedProperly = reader.parse(false);
GpxData currentGpx = reader.data;
if (result == null) {
result = currentGpx;
} else if (currentGpx.hasTrackPoints()) {
result.mergeFrom(currentGpx);
} else {
done = true;
}
in.close();
activeConnection = null;
}
result.fromServer = true;
return result;
}
private GpxData downloadRawGps(Bounds b, ProgressMonitor progressMonitor)
throws IOException, OsmTransferException, SAXException {
boolean done = false;
GpxData result = null;
String url =
"trackpoints?bbox="
+ b.getMinLon()
+ ','
+ b.getMinLat()
+ ','
+ b.getMaxLon()
+ ','
+ b.getMaxLat()
+ "&page=";
for (int i = 0; !done; ++i) {
progressMonitor.subTask(tr("Downloading points {0} to {1}...", i * 5000, (i + 1) * 5000));
try (InputStream in =
getInputStream(url + i, progressMonitor.createSubTaskMonitor(1, true))) {
if (in == null) {
break;
}
progressMonitor.setTicks(0);
GpxReader reader = new GpxReader(in);
gpxParsedProperly = reader.parse(false);
GpxData currentGpx = reader.getGpxData();
if (result == null) {
result = currentGpx;
} else if (currentGpx.hasTrackPoints()) {
result.mergeFrom(currentGpx);
} else {
done = true;
}
}
activeConnection = null;
}
if (result != null) {
result.fromServer = true;
result.dataSources.add(new DataSource(b, "OpenStreetMap server"));
}
return result;
}
