protected Void doInBackground(List<LotLocation>... locations) {
try {
int count = locations[0].size();
for (LotLocation placemark : locations[0]) {
ReplaceableAttribute descriptionAttribute =
new ReplaceableAttribute("description", placemark.getDescription(), Boolean.TRUE);
ReplaceableAttribute latAttribute =
new ReplaceableAttribute(
"lat", String.valueOf(placemark.getPoint().latitude), Boolean.TRUE);
ReplaceableAttribute lngAttribute =
new ReplaceableAttribute(
"lng", String.valueOf(placemark.getPoint().longitude), Boolean.TRUE);
List attrs = new ArrayList(3);
attrs.add(descriptionAttribute);
attrs.add(latAttribute);
attrs.add(lngAttribute);
PutAttributesRequest par =
new PutAttributesRequest(
"Locations", new Generator().getRandomID("LOT-ADMIN-"), attrs);
SimpleDB.getInstance().putAttributes(par);
publishProgress((int) ((count-- / (float) locations[0].size()) * 100));
}
} catch (Exception e) {
Log.e("LoadLocationsTask", "Failure attempting to load locations in background task", e);
}
return null;
}
@Override
protected void onPostExecute(TreeMap<Float, DropsiteLocation> result) {
Log.d("GetDropsiteTask", result.size() + " total locations obtained");
int count = RETURN_COUNT;
List<DropsiteLocation> locations = new ArrayList<DropsiteLocation>();
for (Map.Entry<Float, DropsiteLocation> l : result.entrySet()) {
locations.add(l.getValue());
// only return a subset of the overall count
if (--count == 0) break;
}
Log.d(
"GetDropsitesTask",
"Passing "
+ mGetDropsiteLocationsCompleteListeners.size()
+ " listeners "
+ locations.size()
+ " locations");
// notify all listeners that work is complete
for (GetDropsiteLocationsCompleteListener listener : mGetDropsiteLocationsCompleteListeners) {
listener.onDropsiteLocationFetchComplete(locations);
}
}
public void loadLocationsAsync(String kml) {
List<LotLocation> locations = new ArrayList<LotLocation>();
try {
XMLReader parser = XMLReaderFactory.createXMLReader("org.ccil.cowan.tagsoup.Parser");
InputStream is = new ByteArrayInputStream(kml.getBytes());
// build out an XML document using TagSoup
Document doc = new Builder(parser).build(is);
// set the ns of the document as the XPathContext or we will not find the elements when we
// attempt to parse
XPathContext context = new XPathContext("ns", "http://www.w3.org/1999/xhtml");
// get the Placemark nodes within the data
Nodes nodes = doc.query(".//ns:Placemark", context);
for (int index = 0; index < nodes.size(); index++) {
LotLocation placemark = new LotLocation();
Node placemarkNode = nodes.get(index);
Node nameNode = placemarkNode.query("ns:name", context).get(0);
if (nameNode != null) placemark.setLocation(nameNode.getValue());
Node descriptionNode = placemarkNode.query("ns:description", context).get(0);
if (descriptionNode != null) placemark.setDescription(descriptionNode.getValue());
Node lnglatNode = placemarkNode.query("ns:Point/ns:coordinates", context).get(0);
if (lnglatNode != null) {
// get longitude,latitude,altitude, per KML spec
String[] points = lnglatNode.getValue().split(",");
placemark.setPoint(
new LatLng(
Double.parseDouble(points[1].trim()), Double.parseDouble(points[0].trim())));
}
locations.add(placemark);
}
// spin off a new thread and load locations
new LoadLocationsTask().execute(locations);
} catch (Exception e) {
Log.e("LoadLocationsTask", "Failure attempting to load locations", e);
}
}
