private void AddOtherData(PopulationData populationData, UInt32 geocode, DopaStatisticsType dataType)
{
var jsonData = GetDataFromDopa(geocode, dataType);
if (populationData.register == null)
{
populationData.register = new RegisterData();
}
PopulationChangeEntry otherData = ParseAdditionalJson(jsonData);
otherData.type = _populationChangeType[dataType];
populationData.register.change.Add(otherData);
}
/// <summary>
/// Download the population data from DOPA.
/// </summary>
/// <param name="geocode">Geocode of the entity.</param>
/// <param name="statisticsType">Statistics type.</param>
/// <returns>JSON object returned from website.</returns>
private JsonObject GetDataFromDopa(UInt32 geocode, DopaStatisticsType statisticsType)
{
JsonObject obj = null;
String url;
if (geocode < 100)
{
url = String.Format(CultureInfo.InvariantCulture, _urlDataChangwat, _yearShort, geocode, (Int32)statisticsType);
}
else if (geocode < 10000)
{
url = String.Format(CultureInfo.InvariantCulture, _urlDataAmphoe, _yearShort, geocode, (Int32)statisticsType);
}
else
{
url = String.Format(CultureInfo.InvariantCulture, _urlDataTambon, _yearShort, geocode, (Int32)statisticsType);
}
Int32 errorCount = 0;
while (obj == null)
{
try
{
WebClient webClient = new System.Net.WebClient();
Stream inputStream = webClient.OpenRead(url);
String response = StreamToString(inputStream);
JsonValue result = JsonValue.readFrom(response);
if (!result.isObject())
{
return(null);
}
obj = result.asObject();
}
catch
{
errorCount++;
}
if (errorCount > maxRetry)
{
throw new InvalidDataException(String.Format("Failed to get parseable json data for {0}", geocode));
}
}
return(obj);
}
