/// <summary>
/// Post Request to the shadow service
/// </summary>
/// <param name="uri">URI of the service</param>
/// <param name="data">Json String</param>
/// <param name="fail">out parameter: NO if no failure occurs; otherwise: ResponseConvert</param>
/// <param name="information">out parameter: Information regarding failure</param>
/// <returns>Response of the server</returns>
private String SendRequest(Uri uri, string data, out FailureShadow fail, out String information)
{
try
{
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(uri);
request.Method = "POST";
request.ContentType = "application/json"; // json
System.Text.UTF8Encoding encoding = new System.Text.UTF8Encoding();
byte[] bytes = encoding.GetBytes(data);
request.ContentLength = bytes.Length;
using (Stream requestStream = request.GetRequestStream())
{
// Send the data.
requestStream.Write(bytes, 0, bytes.Length);
}
HttpWebResponse resp = request.GetResponse() as HttpWebResponse;
using (var sr = new StreamReader(resp.GetResponseStream()))
{
fail = FailureShadow.No;
information = string.Format("Status Code: {0}, Status Description: {1}", resp.StatusCode, resp.StatusDescription);
return(sr.ReadToEnd());
}
}
catch (Exception e)
{
fail = FailureShadow.Request;
information = e.Message;
return("");
}
}
/// <returns></returns>
/// <summary>
/// Execution of the shadow service
/// </summary>
/// <param name="uricode">URI of the shadow service</param>
/// <param name="failure">out parameter: NO if no failure occurs; otherwise: ResponseConvert</param>
/// <param name="info">out parameter: Information regarding failure</param>
/// <returns>List of values (id, svf (visibility of sky), and shadow (shading factor))</returns>
public List <ShadowResult> executeShadowService(String uricode, out FailureShadow failure, out String info)
{
//Uri geocodeRequest = new Uri(string.Format("http://pc5.bph.tuwien.ac.at:8001/calcShadow"));
//Uri geocodeRequest = new Uri(string.Format("http://128.130.183.105:8001/calcShadow"));
Uri geocodeRequest = new Uri(string.Format(uricode));
String response = SendRequest(geocodeRequest, generateJson(), out failure, out info);
if (failure == FailureShadow.No)
{
return(generateResult(response, out failure, out info));
}
return(null);
}
/// <summary>
/// Use the response of the server for the svf and shading factor
/// </summary>
/// <param name="json">Json Response of the server</param>
/// <param name="fail">out parameter: NO if no failure occurs; otherwise: ResponseConvert</param>
/// <param name="information">out parameter: Information regarding failure</param>
/// <returns>List of results (id, svf (visibility of sky), and shadow (shading factor)) </returns>
private List <ShadowResult> generateResult(String json, out FailureShadow fail, out String information)
{
try
{
if (!json.Equals(""))
{
List <ShadowResult> ergebnis = new List <ShadowResult>();
fail = FailureShadow.No;
information = "Converting successfully";
return(ergebnis = JsonConvert.DeserializeObject <List <ShadowResult> >(json));
}
fail = FailureShadow.ResponseConvert;
information = "Nothing to convert!";
return(null);
}
catch (Exception e)
{
fail = FailureShadow.ResponseConvert;
information = e.Message;
return(null);
}
}
