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);
}
}
@Override
protected TreeMap<Float, LotLocation> doInBackground(android.location.Location... location) {
TreeMap<Float, LotLocation> locations = new TreeMap<Float, LotLocation>();
try {
// null checking party ahead, majority stems form no connection, perhaps a connection
// manager could centralize this
if (location[0] != null) {
android.location.Location currentLocation = location[0];
AmazonSimpleDBClient instance = SimpleDB.getInstance();
if (instance != null) {
SelectResult result =
instance.select(
new SelectRequest("select * from `Locations` where active = '1' limit 50"));
if (result != null) {
for (Item lot : result.getItems()) {
android.location.Location lotLocation =
new android.location.Location(currentLocation.getProvider());
LotLocation internalLotLocation = new LotLocation();
internalLotLocation.setId(lot.getName());
// used to temporarily store hours of open and close for each location
Hashtable<Integer, String> hoursOpen = new Hashtable<Integer, String>();
Hashtable<Integer, String> hoursClose = new Hashtable<Integer, String>();
for (Attribute attribute : lot.getAttributes()) {
if (attribute.getName().equalsIgnoreCase("location"))
internalLotLocation.setLocation(attribute.getValue());
if (attribute.getName().equalsIgnoreCase("rating"))
internalLotLocation.setRating(Float.parseFloat(attribute.getValue()));
if (attribute.getName().equalsIgnoreCase("business"))
internalLotLocation.setBusiness(attribute.getValue());
if (attribute.getName().equalsIgnoreCase("description"))
internalLotLocation.setDescription(attribute.getValue());
if (attribute.getName().equalsIgnoreCase("amex"))
internalLotLocation.setAcceptsAmex(
com.experiment.trax.utils.Boolean.valueOf(attribute.getValue()));
if (attribute.getName().equalsIgnoreCase("visa"))
internalLotLocation.setAcceptsVisa(
com.experiment.trax.utils.Boolean.valueOf(attribute.getValue()));
if (attribute.getName().equalsIgnoreCase("mastercard"))
internalLotLocation.setAcceptsMastercard(
com.experiment.trax.utils.Boolean.valueOf(attribute.getValue()));
if (attribute.getName().equalsIgnoreCase("discover"))
internalLotLocation.setAcceptsDiscover(
com.experiment.trax.utils.Boolean.valueOf(attribute.getValue()));
if (attribute.getName().equalsIgnoreCase("phone"))
internalLotLocation.setPhone(attribute.getValue());
if (attribute.getName().equalsIgnoreCase("verified"))
internalLotLocation.setVerified(
com.experiment.trax.utils.Boolean.valueOf(attribute.getValue()));
// create a key -> value to day of week and time opened or closed
if (attribute.getName().equalsIgnoreCase("1_open"))
hoursOpen.put(1, attribute.getValue());
if (attribute.getName().equalsIgnoreCase("1_close"))
hoursClose.put(1, attribute.getValue());
if (attribute.getName().equalsIgnoreCase("2_open"))
hoursOpen.put(2, attribute.getValue());
if (attribute.getName().equalsIgnoreCase("2_close"))
hoursClose.put(2, attribute.getValue());
if (attribute.getName().equalsIgnoreCase("3_open"))
hoursOpen.put(3, attribute.getValue());
if (attribute.getName().equalsIgnoreCase("3_close"))
hoursClose.put(3, attribute.getValue());
if (attribute.getName().equalsIgnoreCase("4_open"))
hoursOpen.put(4, attribute.getValue());
if (attribute.getName().equalsIgnoreCase("4_close"))
hoursClose.put(4, attribute.getValue());
if (attribute.getName().equalsIgnoreCase("5_open"))
hoursOpen.put(5, attribute.getValue());
if (attribute.getName().equalsIgnoreCase("5_close"))
hoursClose.put(5, attribute.getValue());
if (attribute.getName().equalsIgnoreCase("6_open"))
hoursOpen.put(6, attribute.getValue());
if (attribute.getName().equalsIgnoreCase("6_close"))
hoursClose.put(6, attribute.getValue());
if (attribute.getName().equalsIgnoreCase("7_open"))
hoursOpen.put(7, attribute.getValue());
if (attribute.getName().equalsIgnoreCase("7_close"))
hoursClose.put(7, attribute.getValue());
if (attribute.getName().equalsIgnoreCase("lat"))
lotLocation.setLatitude(Double.parseDouble(attribute.getValue()));
if (attribute.getName().equalsIgnoreCase("lng"))
lotLocation.setLongitude(Double.parseDouble(attribute.getValue()));
}
// store the times the lot is opened and closed
internalLotLocation.setHoursOpen(hoursOpen);
internalLotLocation.setHoursClose(hoursClose);
// store the location of the lot
internalLotLocation.setPoint(
new LatLng(lotLocation.getLatitude(), lotLocation.getLongitude()));
// save it to our locations listing to return back to the consumer
locations.put(currentLocation.distanceTo(lotLocation), internalLotLocation);
}
}
}
}
} catch (Exception e) {
Log.e("GetLocationsTask", "Failure attempting to get locations", e);
}
return locations;
}