public override object GetTimeSeries(locationParam location, VariableParam variable, W3CDateTime?startDate, W3CDateTime?endDate)
{
BaseRestClient restServiceClient;
string[] parameters;
{
restServiceClient = new BaseRestClient();
restServiceClient.BaseUrl = "http://www2.mvr.usace.army.mil/watercontrol/webservices/rest/webserviceWaterML.cfm?";
restServiceClient.PathFormat = "Meth={0}&site={1}&variable={2}&beginDate={3}&endDate={4}";
string varCode = variable.Code; // prep for many test
string siteCode = location.SiteCode;
Type vType = typeof(TimeSeriesResponseType);
restServiceClient.ResponseType = vType;
parameters = new string[5];
parameters[0] = "getValues";
parameters[1] = siteCode;
parameters[2] = varCode;
parameters[3] = startDate.Value.DateTime.ToString("yyyy-MM-dd");
parameters[4] = endDate.Value.DateTime.ToString("yyyy-MM-dd");
object res = restServiceClient.GetResponseAsObject(parameters);
return(res);
}
}
public override VariableInfoType[] GetVariableInfoObject(VariableParam variable)
{
VariableParam[] variables;
if (variable == null)
{
variables = new VariableParam[0];
}
else
{
variables = new VariableParam[1];
variables[0] = variable;
}
return(GetVariableInfoObject(variables));
}
public override object GetTimeSeries(
locationParam Location,
WaterOneFlowImpl.v1_0.VariableParam Variable,
W3CDateTime?BeginDateTime, W3CDateTime?EndDateTime)
{
// new method. Generate a list of query parameters and values,
// tack that onto the end of the base url
var queryParameters = new Dictionary <string, string>();
string siteNum;
string parameterCode;
string statisticCode;
string agencyCode = "EPA";
W3CDateTime?startDateTime = null;
W3CDateTime?endDateTime = null;
if (Location.isGeometry)
{
throw new WaterOneFlowException("Geometry not supported ");
}
if (Location != null)
{
siteNum = Location.SiteCode;
agencyCode = option2AgencyCode(Location);
queryParameters.Add("organization", agencyCode);
queryParameters.Add("siteid", siteNum);
}
else
{
throw new WaterOneFlowException("Missing SiteCode ");
}
if (Variable != null)
{
parameterCode = Variable.Code;
queryParameters.Add("characteristicName", parameterCode);
queryParameters.Add("sampleMedia", siteNum);
}
else
{
throw new WaterOneFlowException("Missing Parameter ");
}
if (BeginDateTime.HasValue)
{
//tartDateTime = BeginDateTime.Value;
queryParameters.Add("startDateLo", BeginDateTime.HasValue ? BeginDateTime.Value.ToString("W"): "");
}
if (EndDateTime.HasValue)
{
//ndDateTime = EndDateTime.Value;
queryParameters.Add("startDateHi", EndDateTime.HasValue ? EndDateTime.Value.ToString("W"): "");
}
if (EndDateTime.HasValue && BeginDateTime.HasValue && EndDateTime.Value < BeginDateTime.Value)
{
endDateTime = W3CDateTime.Now;
queryParameters["startDateHi"] = W3CDateTime.Now.ToString("W");
}
// http://storetnwis.epa.gov/storetqw
/* he site number may be optionally prefixed by the agency code followed by a colon, which ensures the site is unique. Examples: ?site=06306300 or ?sites=USGS:06306300. There is no default if this parameter is used. For real-time streamflow sites, the site number is normally 8 characters. Site numbers range from 8 to 15 character.
*/
string urlFormat = "&{0}={1}";
StringBuilder url = new StringBuilder(baseUrl);
foreach (var q in queryParameters)
{
url.AppendFormat("&{0}={1}", q.Key, q.Value);
}
try
{
Uri uri = new Uri(url.ToString());
using (WebClient web = new WebClient())
{
TimeSeriesResponseType response;
using (XmlReader reader = new XmlTextReader(web.OpenRead(uri)))
{
XmlWriter writer = null;
MemoryStream memoryStream = new MemoryStream();
try
{
writer = XmlWriter.Create(memoryStream);
// Create the XsltArgumentList.
XsltArgumentList argList = new XsltArgumentList();
argList.AddParam("network", "", Location.Network);
argList.AddParam("vocabulary", "", Variable.Vocabulary);
argList.AddParam("location", "", Location.ToString());
argList.AddParam("variable", "", Variable.ToString());
argList.AddParam("starttime", "", BeginDateTime.HasValue? BeginDateTime.Value.ToString("W"): "");
argList.AddParam("endtime", "", EndDateTime.HasValue? EndDateTime.Value.ToString("W"): "");
xslt.Transform(reader, argList, writer);
memoryStream.Position = 0;
using (var reader2 = XmlReader.Create(memoryStream))
{
response
= (TimeSeriesResponseType)serializer.Deserialize(reader2);
}
}
finally
{
memoryStream.Close();
}
}
//TimeSeriesResponseType response
// = new Passthrough(web.OpenRead(url));
return(response);
}
}
catch (WebException ex)
{
if (ex.Response is HttpWebResponse)
{
switch (((HttpWebResponse)ex.Response).StatusCode)
{
case HttpStatusCode.NotFound:
log.Info("WebSite Not Found" + ex.Message);
throw new WaterOneFlowSourceException("Site/Variable combination Not Found");
break;
case HttpStatusCode.ServiceUnavailable:
log.Info("WebSite Service Not Available " + ex.Message);
throw new WaterOneFlowSourceException("Service Not Available. Please try later");
break;
default:
log.Info("WebSite Connection Error " + ex.Message);
throw new WaterOneFlowSourceException("Error connecting to WebSite");
}
}
log.Info("WebSite Connection Error " + ex.Message);
throw new WaterOneFlowSourceException("Error connecting to WebSite: WebException: " + url);
}
catch (XmlException ex)
{
log.Info("Error in communication with WebSite " + ex.Message);
throw new WaterOneFlowSourceException("Error in communication with WebSite: XmlExpcetion ");
}
catch (XsltException ex)
{
log.Info("Error in communication with WebSite " + ex.Message);
throw new WaterOneFlowSourceException("Error in communication with WebSite: XsltException ");
}
catch (Exception ex)
{
log.Info("Error in communication with WebSite " + ex.Message);
throw new WaterOneFlowSourceException("Error in communication with WebSite: Unknown Exception ");
}
}
