private static string DistanceToCode(RainRadarDistance distance)
{
switch (distance)
{
case RainRadarDistance.Kilometers120:
return("120K");
case RainRadarDistance.Kilometers300:
return("300K");
default: goto case RainRadarDistance.Kilometers120;
}
}
private static string GenerateUrl(RainRadarLocations location, RainRadarTimes times, RainRadarDistance distance)
{
return(Common.BaseUrl + "/publicData/" + LocationToCode(location) + "_" + TimeToCode(times) + "_" + DistanceToCode(distance));
}
public static RainRadarImage[] GetRadarImages(RainRadarLocations location, RainRadarTimes time, RainRadarDistance distance)
{
try
{
var webRequest = (HttpWebRequest)WebRequest.Create(GenerateUrl(location, time, distance));
webRequest.UserAgent = Common.UserAgent;
webRequest.AutomaticDecompression = DecompressionMethods.Deflate | DecompressionMethods.GZip;
webRequest.AllowAutoRedirect = true;
RainRadarImage[] images;
using (var webResponse = (HttpWebResponse)webRequest.GetResponse())
{
var stream = webResponse.GetResponseStream();
images = RainRadarImage.GetRadarImages(stream);
}
return(images);
}
catch (Exception e)
{
if (e.GetType() != typeof(WebException))
{
throw new Exception("An error occured while retreiving the requested rain radar.", e);
}
var webE = (WebException)e;
if (((HttpWebResponse)webE.Response).StatusCode == HttpStatusCode.NotImplemented)
{
throw new Exception("The requested rain radar format does not exist.", e);
}
throw new Exception("An error occured while retreiving the requested rain radar.", e);
}
}
