GeocoderLocation IGeoCoder.Geocode(PropertyLocation address)
{
string queryAddress = string.Format(((IGeoCoder)this).UrlPattern, HttpUtility.UrlEncode(address.ToString()));
if (!string.IsNullOrWhiteSpace(address.ZipCode))
{
queryAddress = string.Format("{0}&components=postal_code:{1}|country:DE", queryAddress, address.ZipCode);
}
WebRequest request = WebRequest.Create(queryAddress);
using (WebResponse response = request.GetResponse())
{
using (Stream stream = response.GetResponseStream())
{
XDocument document = XDocument.Load(stream);
XElement longitudeElement = document.Descendants("lng").FirstOrDefault();
XElement latitudeElement = document.Descendants("lat").FirstOrDefault();
if (longitudeElement != null && latitudeElement != null)
{
return new GeocoderLocation()
{
Longitude = double.Parse(longitudeElement.Value, CultureInfo.InvariantCulture),
Latitude = double.Parse(latitudeElement.Value, CultureInfo.InvariantCulture)
};
}
}
}
return null;
}
GeocoderLocation IGeoCoder.Geocode(PropertyLocation address)
{
string queryAdress = string.Format(((IGeoCoder)this).UrlPattern, ((IGeoCoder)this).ApiKey, HttpUtility.UrlEncode(address.ToString()));
WebRequest request = WebRequest.Create(queryAdress);
using (WebResponse response = request.GetResponse())
{
using (Stream stream = response.GetResponseStream())
{
XDocument document = XDocument.Load(stream);
XElement longitudeElement = document.Descendants("lng").FirstOrDefault();
XElement latitudeElement = document.Descendants("lat").FirstOrDefault();
if (longitudeElement != null && latitudeElement != null)
{
return new GeocoderLocation()
{
Longitude = double.Parse(longitudeElement.Value, CultureInfo.InvariantCulture),
Latitude = double.Parse(latitudeElement.Value, CultureInfo.InvariantCulture)
};
}
}
}
return null;
}
private static string GetRouteAsStoredFileCore(PropertyLocation source, PropertyLocation destination)
{
int width = 800;
int height = 800;
// https://developers.google.com/maps/documentation/directions/?hl=de
string originText = source.ToString();
string destinationText = destination.ToString();
StringBuilder sbInitialRequest = new StringBuilder();
sbInitialRequest.Append("http://maps.google.com/maps/api/directions/xml?");
sbInitialRequest.AppendFormat("origin={0}", HttpUtility.UrlEncode(originText));
sbInitialRequest.AppendFormat("&destination={0}", HttpUtility.UrlEncode(destinationText));
sbInitialRequest.Append("&sensor=false");
WebRequest wreqInitial = WebRequest.Create(sbInitialRequest.ToString());
XDocument docResponse = null;
using (WebResponse wresInitial = wreqInitial.GetResponse())
{
using (Stream stream = wresInitial.GetResponseStream())
{
docResponse = XDocument.Load(stream);
}
string status = docResponse.Root.Element("status").Value;
if (status != "OK")
{
Logger.Instance.LogFormat(LogType.Error, typeof(RoutePlanHelper), Properties.Resources.MapsRequestFailed, status);
return null;
}
}
XElement overviewE = docResponse.Root.Element("route").Element("overview_polyline").Element("points");
StringBuilder sbContinuationRequest = new StringBuilder();
sbContinuationRequest.Append("http://maps.google.com/maps/api/staticmap?");
sbContinuationRequest.AppendFormat("size={0}x{1}", width, height);
sbContinuationRequest.AppendFormat("&sensor=false&path=weight:3|color:red|enc:{0}", overviewE.Value);
WebRequest wr1 = WebRequest.Create(sbContinuationRequest.ToString());
using (WebResponse res1 = wr1.GetResponse())
{
using (Image image = Image.FromStream(res1.GetResponseStream()))
{
using (FileStream tempFile = File.OpenWrite(Path.GetTempFileName()))
{
image.Save(tempFile, ImageFormat.Png);
return tempFile.Name;
}
}
}
}
private static string GetRouteAsStoredFileCore(PropertyLocation source, PropertyLocation destination)
{
int width = 800;
int height = 800;
// https://developers.google.com/maps/documentation/directions/?hl=de
string originText = source.ToString();
string destinationText = destination.ToString();
// Create initial request
StringBuilder sbInitialRequest = new StringBuilder();
sbInitialRequest.Append("http://maps.google.com/maps/api/directions/xml?");
sbInitialRequest.AppendFormat("origin={0}", originText);
sbInitialRequest.AppendFormat("&destination={0}", destinationText);
sbInitialRequest.Append("&sensor=false");
WebRequest wreqInitial = WebRequest.Create(sbInitialRequest.ToString());
XDocument docResponse = null;
using (WebResponse wresInitial = wreqInitial.GetResponse())
{
docResponse = XDocument.Load(wresInitial.GetResponseStream());
// Load the response XML
string status = docResponse.Root.Element("status").Value;
switch (status)
{
// TODO: Handle the errors!
case "NOT_FOUND":
case "ZERO_RESULTS":
Logger.Instance.LogFormat(LogType.Warning, typeof(RoutePlanHelper), "The maps-request failed with status '{0}'. This is an indication that the location could not be retrieved. Sorry, but there's no workaround.", status);
return null;
case "OVER_QUERY_LIMIT":
Logger.Instance.LogFormat(LogType.Error, typeof(RoutePlanHelper), "The maps-request failed with status 'OVER_QUERY_LIMIT'. This indicates too many queries within a short timeframe.");
return null;
case "MAX_WAYPOINTS_EXCEEDED":
case "INVALID_REQUEST":
case "REQUEST_DENIED":
case "UNKNOWN_ERROR":
default:
Logger.Instance.LogFormat(LogType.Error, typeof(RoutePlanHelper), "The maps-request failed with status '{0}'. Please contact the developers!", status);
return null;
case "OK":
// Everything ok.
break;
}
}
// Get the path data
XElement overviewE = docResponse.Root.Element("route").Element("overview_polyline").Element("points");
StringBuilder sbContinuationRequest = new StringBuilder();
sbContinuationRequest.Append("http://maps.google.com/maps/api/staticmap?");
sbContinuationRequest.AppendFormat("size={0}x{1}", width, height);
// TODO: Maybe allow configuring the thickness and color, especially for b/w-printers?
sbContinuationRequest.AppendFormat("&sensor=false&path=weight:3|color:red|enc:{0}", overviewE.Value);
WebRequest wr1 = WebRequest.Create(sbContinuationRequest.ToString());
using (WebResponse res1 = wr1.GetResponse())
{
using (Image image = Image.FromStream(res1.GetResponseStream()))
{
using (FileStream tempFile = File.OpenWrite(Path.GetTempFileName()))
{
image.Save(tempFile, ImageFormat.Png);
return tempFile.Name;
}
}
}
}