/// <summary>
/// Asynchronously downloads a JSON object from a JSON stream.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="url">The URL.</param>
/// <param name="param">The request parameters. If null, defaults will be used.</param>
/// <returns></returns>
public static async Task <JsonResult <T> > DownloadJsonAsync <T>(Uri url,
RequestParams param = null) where T : class
{
JsonResult <T> result;
try
{
var asyncResult = await HttpWebClientService.DownloadStreamAsync <T>(url,
ParseJSONObject <T>, param);
var error = asyncResult.Error;
T data;
// Was there an HTTP error?
if (error != null)
{
result = new JsonResult <T>(error);
}
else if ((data = asyncResult.Result) == default(T) && !asyncResult.Response.
IsNotModifiedResponse)
{
// This will become a json error
result = new JsonResult <T>(new InvalidOperationException(
"null JSON response"));
}
else
{
result = new JsonResult <T>(asyncResult.Response, data);
}
}
catch (InvalidOperationException e)
{
result = new JsonResult <T>(e);
ExceptionHandler.LogException(e, true);
}
catch (InvalidDataContractException e)
{
result = new JsonResult <T>(e);
ExceptionHandler.LogException(e, true);
}
catch (SerializationException e)
{
// For deserializing non-errors
result = new JsonResult <T>(e);
ExceptionHandler.LogException(e, true);
}
catch (APIException e)
{
int code;
// Error code was converted to a string to match APIException
if (!e.ErrorCode.TryParseInv(out code))
{
code = 0;
}
result = new JsonResult <T>(new ResponseParams(code), e.Message);
ExceptionHandler.LogException(e, true);
}
return(result);
}
/// <summary>
/// Asynchronously downloads a JSON object from a JSON stream.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="url">The URL.</param>
/// <param name="token">The ESI token.</param>
/// <param name="acceptEncoded">if set to <c>true</c> [accept encoded].</param>
/// <param name="postData">The post data.</param>
/// <returns></returns>
public static async Task <JsonResult <T> > DownloadJsonAsync <T>(Uri url, string token,
bool acceptEncoded = false, string postData = null, string postContentType = null)
where T : class
{
// Create POST data body
HttpPostData content = null;
if (postData != null)
{
content = new HttpPostData(postData, contentType: postContentType);
}
JsonResult <T> result;
try
{
DownloadResult <T> asyncResult = await HttpWebClientService.DownloadStreamAsync <T>(
url, ParseJSONObject <T>, acceptEncoded, content, token);
var error = asyncResult.Error;
T data;
// Was there an HTTP error?
if (error != null)
{
result = new JsonResult <T>(error);
}
else if ((data = asyncResult.Result) == default(T))
{
// This will become a json error
result = new JsonResult <T>(new InvalidOperationException("null JSON response"));
}
else
{
result = new JsonResult <T>(asyncResult.ResponseCode, data)
{
CurrentTime = asyncResult.ServerTime
}
};
}
catch (InvalidOperationException e)
{
result = new JsonResult <T>(e);
ExceptionHandler.LogException(e, true);
}
catch (InvalidDataContractException e)
{
result = new JsonResult <T>(e);
ExceptionHandler.LogException(e, true);
}
return(result);
}