public void StopsForRoute(GeoCoordinate location, Route route, StopsForRoute_Callback callback)
{
string requestUrl = string.Format(
"{0}/{1}/{2}.xml?key={3}&Version={4}",
WebServiceUrlForLocation(location),
"stops-for-route",
route.id,
KEY,
APIVERSION
);
directionCache.DownloadStringAsync(new Uri(requestUrl), new GetDirectionsForRouteCompleted(requestUrl, route.id, directionCache, callback).HttpCache_Completed);
}
public GetDirectionsForRouteCompleted(string requestUrl, string routeId, HttpCache directionCache, StopsForRoute_Callback callback) : base(requestUrl)
{
this.callback = callback;
this.routeId = routeId;
this.directionCache = directionCache;
}
public void StopsForRoute(GeoCoordinate location, Route route, StopsForRoute_Callback callback)
{
string requestUrl = string.Format(
"{0}/{1}/{2}.xml?key={3}&Version={4}",
WebServiceUrlForLocation(location),
"stops-for-route",
route.id,
KEY,
APIVERSION
);
directionCache.DownloadStringAsync(new Uri(requestUrl), new GetDirectionsForRouteCompleted(requestUrl, route.id, directionCache, callback).HttpCache_Completed);
}
public void StopsForRoute(GeoCoordinate location, Route route, StopsForRoute_Callback callback)
{
string requestUrl = string.Format(
"{0}/{1}/{2}.xml?key={3}&Version={4}",
WebServiceUrlForLocation(location),
"stops-for-route",
route.id,
KEY,
APIVERSION
);
HttpWebRequest requestGetter = (HttpWebRequest)HttpWebRequest.Create(requestUrl);
requestGetter.BeginGetResponse(delegate(IAsyncResult asyncResult)
{
XDocument xmlResponse = null;
List <RouteStops> routeStops = new List <RouteStops>();
try
{
xmlResponse = ValidateWebCallback(asyncResult);
IDictionary <string, Route> routesMap = ParseAllRoutes(xmlResponse);
// parse all the stops, using previously parsed Route objects
IList <Stop> stops =
(from stop in xmlResponse.Descendants("stop")
select ParseStop(stop,
(from routeId in stop.Element("routeIds").Descendants("string")
select routesMap[SafeGetValue(routeId)]
).ToList <Route>()
)).ToList <Stop>();
IDictionary <string, Stop> stopsMap = new Dictionary <string, Stop>();
foreach (Stop s in stops)
{
stopsMap.Add(s.id, s);
}
// and put it all together
routeStops.AddRange(from stopGroup in xmlResponse.Descendants("stopGroup")
where SafeGetValue(stopGroup.Element("name").Element("type")) == "destination"
select new RouteStops
{
name = SafeGetValue(stopGroup.Descendants("names").First().Element("string")),
encodedPolylines = (from poly in stopGroup.Descendants("encodedPolyline")
select new PolyLine
{
pointsString = SafeGetValue(poly.Element("points")),
length = SafeGetValue(poly.Element("length"))
}).ToList <PolyLine>(),
stops =
(from stopId in stopGroup.Descendants("stopIds").First().Descendants("string")
select stopsMap[SafeGetValue(stopId)]).ToList <Stop>(),
route = routesMap[route.id]
});
}
catch (WebserviceResponseException)
{
}
catch (Exception ex)
{
Exception error = new WebserviceParsingException(requestUrl, xmlResponse.ToString(), ex);
throw error;
}
callback(routeStops);
},
requestGetter);
}
public GetDirectionsForRouteCompleted(string requestUrl, string routeId, HttpCache directionCache, StopsForRoute_Callback callback) : base(requestUrl)
{
this.callback = callback;
this.routeId = routeId;
this.directionCache = directionCache;
}
