/// <summary>
/// Initializes a new instance of <see cref="ResponseErrorEventArgs" /> with the specified parameters.
/// </summary>
/// <param name="requestUri"> The request uri. </param>
/// <param name="exception"> The exception of <see cref="AMicroblogException" /> type. </param>
/// <param name="httpMethod"> The request method. </param>
/// <param name="contentType"> The request content type. </param>
public ResponseErrorEventArgs(string requestUri, SinaWeiboException exception, string httpMethod,
string contentType)
{
ErrorData = new SinaResponseErrorData();
ErrorData.ErrorCode = exception.ErrorCode;
ErrorData.RequestUri = requestUri;
ErrorData.Exception = exception;
ErrorData.HttpMethod = httpMethod;
ErrorData.ContentType = contentType;
}
/// <summary>
/// Performs the HTTP request.
/// </summary>
/// <returns> The server response string(UTF8 decoded). </returns>
public virtual string Request()
{
var req = WebRequest.Create(ConstructUri()) as HttpWebRequest;
AppendHeaders(req.Headers);
if (!string.IsNullOrEmpty(Method))
{
req.Method = Method;
}
if (!string.IsNullOrEmpty(ContentType))
{
req.ContentType = ContentType;
}
PrepareRequest(req);
// Calls GetRequestStream with a "GET" method, an exception is thrown "Cannot send a content-body with this verb-type."
if (req.Method == HttpMethod.Post)
{
using (Stream reqStream = req.GetRequestStream())
{
WriteBody(reqStream);
}
// ContentLength is automatically calculated.
}
WebResponse resp = null;
try
{
resp = req.GetResponse();
}
catch (WebException wex)
{
ErrorResponse errorResp;
var webResp = wex.Response as HttpWebResponse;
if (null == webResp)
throw new SinaWeiboException(LocalErrorCode.NetworkUnavailable);
try
{
string responseContent = RetrieveResponse(webResp);
if (!string.IsNullOrEmpty(responseContent) &&
responseContent.StartsWith(SinaConstants.JsonHeader, StringComparison.InvariantCultureIgnoreCase))
{
errorResp = JsonSerializationHelper.JsonToObject<ErrorResponse>(responseContent);
//TODO: 21327 token expired
}
else
{
// Handle other cases
errorResp = new ErrorResponse
{ErrorCode = (int) webResp.StatusCode, ErrorMessage = webResp.StatusDescription};
}
}
catch (Exception exx)
{
throw new SinaWeiboException(LocalErrorCode.ProcessResponseErrorHandlingFailed, exx);
}
var aex = new SinaWeiboException(errorResp.ErrorCode, wex)
{IsRemoteError = true, ErrorCode = errorResp.ErrorCode};
var e = new ResponseErrorEventArgs(req.RequestUri.AbsoluteUri, aex, req.Method, req.ContentType);
throw aex;
}
return RetrieveResponse(resp);
}
