/// <summary>
/// Deserializes response JSON object.
/// </summary>
/// <param name="json">String in JSON format.</param>
/// <param name="knownTypes">
/// Types that may be present in the object graph. Can be null.
/// </param>
/// <returns>
/// Deserialized object.
/// </returns>
public static T DeserializeResponse <T>(string json,
IEnumerable <Type> knownTypes)
{
// validate response string
if (String.IsNullOrEmpty(json))
{
throw new SerializationException(Properties.Messages.Error_InvalidJsonResponseString);
}
T obj = default(T);
// check if response string contains error data
if (JsonProcHelper.IsFaultResponse(json))
{
// deserialize error object
GPFaultResponse errorObj = Deserialize <GPFaultResponse>(json);
// create response object
obj = Activator.CreateInstance <T>();
// set error data
IFaultInfo fault = obj as IFaultInfo;
if (fault != null)
{
fault.FaultInfo = errorObj.Error;
}
}
else
{
// deserialize response object
obj = Deserialize <T>(json, knownTypes, true);
}
return(obj);
}
/// <summary>
/// Validates ArcGIS REST service response.
/// </summary>
public static void ValidateResponse(object resp)
{
Debug.Assert(resp != null);
IFaultInfo faultInfo = resp as IFaultInfo;
Debug.Assert(faultInfo != null);
if (faultInfo.IsFault)
{
throw CreateRestException(faultInfo);
}
}
/// <summary>
/// Validates the specified REST service response.
/// </summary>
/// <param name="faultInfo">The REST service response to be validated.</param>
/// <returns>An instance of the <see cref="CommunicationException"/> class representing
/// REST service failure or null reference if there were no errors.</returns>
private CommunicationException _ValidateResponse(IFaultInfo faultInfo)
{
if (faultInfo == null || !faultInfo.IsFault)
{
return(null);
}
var error = RestHelper.CreateRestException(faultInfo);
Logger.Warning(error);
return(new CommunicationException(
error.Message,
_serviceTitle,
CommunicationError.Unknown,
error));
}
/// <summary>
/// Creates RestException object.
/// </summary>
public static RestException CreateRestException(IFaultInfo faultInfo)
{
Debug.Assert(faultInfo != null);
Debug.Assert(faultInfo.IsFault);
RestException ex = null;
GPError error = faultInfo.FaultInfo;
if (error != null)
{
ex = new RestException(error.Message, error.Code,
error.Details);
}
else
{
ex = new RestException(
Properties.Messages.Error_InvalidArcgisRestResponse);
}
return(ex);
}
