public GetStopsForLocationCompleted(string requestUrl, HttpCache stopsCache, StopsForLocation_Callback callback) : base(requestUrl)
{
this.callback = callback;
this.stopsCache = stopsCache;
}
public void StopsForLocation(GeoCoordinate location, string query, int radiusInMeters, int maxCount, bool invalidateCache, StopsForLocation_Callback callback)
{
GeoCoordinate roundedLocation = GetRoundedLocation(location);
// ditto for the search radius -- nearest 50 meters for caching
int roundedRadius = (int)(Math.Round(radiusInMeters / 50.0) * 50);
string requestString = string.Format(
"{0}/{1}.xml?key={2}&lat={3}&lon={4}&radius={5}&Version={6}",
WebServiceUrlForLocation(location),
"stops-for-location",
KEY,
roundedLocation.Latitude.ToString(NumberFormatInfo.InvariantInfo),
roundedLocation.Longitude.ToString(NumberFormatInfo.InvariantInfo),
roundedRadius,
APIVERSION
);
if (string.IsNullOrEmpty(query) == false)
{
requestString += string.Format("&query={0}", query);
}
if (maxCount > 0)
{
requestString += string.Format("&maxCount={0}", maxCount);
}
Uri requestUri = new Uri(requestString);
if (invalidateCache)
{
stopsCache.Invalidate(requestUri);
}
stopsCache.DownloadStringAsync(requestUri, new GetStopsForLocationCompleted(requestString, stopsCache, callback).HttpCache_Completed);
}
public GetStopsForLocationCompleted(string requestUrl, HttpCache stopsCache, StopsForLocation_Callback callback) : base(requestUrl)
{
this.callback = callback;
this.stopsCache = stopsCache;
}
public void StopsForLocation(GeoCoordinate location, string query, int radiusInMeters, int maxCount, bool invalidateCache, StopsForLocation_Callback callback)
{
GeoCoordinate roundedLocation = GetRoundedLocation(location);
// ditto for the search radius -- nearest 50 meters for caching
int roundedRadius = (int)(Math.Round(radiusInMeters / 50.0) * 50);
string requestUrl = string.Format(
"{0}/{1}.xml?key={2}&lat={3}&lon={4}&radius={5}&Version={6}",
WebServiceUrlForLocation(location),
"stops-for-location",
KEY,
roundedLocation.Latitude.ToString(NumberFormatInfo.InvariantInfo),
roundedLocation.Longitude.ToString(NumberFormatInfo.InvariantInfo),
roundedRadius,
APIVERSION
);
if (string.IsNullOrEmpty(query) == false)
{
requestUrl += string.Format("&query={0}", query);
}
if (maxCount > 0)
{
requestUrl += string.Format("&maxCount={0}", maxCount);
}
Uri requestUri = new Uri(requestUrl);
HttpWebRequest requestGetter = (HttpWebRequest)HttpWebRequest.Create(requestUri);
requestGetter.BeginGetResponse(
delegate(IAsyncResult asyncResult)
{
XDocument xmlResponse = null;
List <Stop> stops = new List <Stop>();
bool limitExceeded = false;
try
{
xmlResponse = ValidateWebCallback(asyncResult);
IDictionary <string, Route> routesMap = ParseAllRoutes(xmlResponse);
stops.AddRange(from stop in xmlResponse.Descendants("stop")
select ParseStop
(
stop,
(from routeId in stop.Element("routeIds").Descendants("string")
select routesMap[SafeGetValue(routeId)]).ToList <Route>()
));
IEnumerable <XElement> descendants = xmlResponse.Descendants("data");
if (descendants.Count() != 0)
{
limitExceeded = bool.Parse(SafeGetValue(descendants.First().Element("limitExceeded")));
}
Debug.Assert(limitExceeded == false);
}
catch (WebserviceResponseException)
{
}
catch (Exception ex)
{
Exception error = new WebserviceParsingException(requestUrl, xmlResponse.ToString(), ex);
throw error;
}
callback(stops, limitExceeded);
},
requestGetter);
}
public void StopsForLocation(GeoCoordinate location, string query, int radiusInMeters, int maxCount, bool invalidateCache, StopsForLocation_Callback callback)
{
GeoCoordinate roundedLocation = GetRoundedLocation(location);
// ditto for the search radius -- nearest 50 meters for caching
int roundedRadius = (int)(Math.Round(radiusInMeters / 50.0) * 50);
string requestString = string.Format(
"{0}/{1}.xml?key={2}&lat={3}&lon={4}&radius={5}&Version={6}",
WebServiceUrlForLocation(location),
"stops-for-location",
KEY,
roundedLocation.Latitude.ToString(NumberFormatInfo.InvariantInfo),
roundedLocation.Longitude.ToString(NumberFormatInfo.InvariantInfo),
roundedRadius,
APIVERSION
);
if (string.IsNullOrEmpty(query) == false)
{
requestString += string.Format("&query={0}", query);
}
if (maxCount > 0)
{
requestString += string.Format("&maxCount={0}", maxCount);
}
Uri requestUri = new Uri(requestString);
if (invalidateCache)
{
stopsCache.Invalidate(requestUri);
}
stopsCache.DownloadStringAsync(requestUri, new GetStopsForLocationCompleted(requestString, stopsCache, callback).HttpCache_Completed);
}
