/// <summary>
/// Parses a web exception to get an error message and a <see cref="HttpWebClientServiceExceptionStatus"/> status code.
/// </summary>
/// <param name="webException">The web exception.</param>
/// <param name="url">The URL.</param>
/// <param name="proxyHost">The proxy host.</param>
/// <param name="status">The status.</param>
/// <returns></returns>
private static string ParseWebRequestException(WebException webException, Uri url, string proxyHost,
out HttpWebClientServiceExceptionStatus status)
{
StringBuilder messageBuilder = new StringBuilder();
switch (webException.Status)
{
case WebExceptionStatus.ProtocolError:
HttpWebResponse response = (HttpWebResponse)webException.Response;
switch (response.StatusCode)
{
case HttpStatusCode.ProxyAuthenticationRequired:
status = HttpWebClientServiceExceptionStatus.ProxyError;
messageBuilder.AppendFormat(
ExceptionMessages.ProxyAuthenticationFailure, proxyHost, url.Host);
break;
default:
status = HttpWebClientServiceExceptionStatus.ServerError;
messageBuilder
.AppendFormat(ExceptionMessages.ServerError, url.Host)
.Append(response.StatusDescription);
break;
}
break;
case WebExceptionStatus.ProxyNameResolutionFailure:
status = HttpWebClientServiceExceptionStatus.ProxyError;
messageBuilder.AppendFormat(ExceptionMessages.ProxyNameResolutionFailure, proxyHost);
break;
case WebExceptionStatus.RequestProhibitedByProxy:
status = HttpWebClientServiceExceptionStatus.ProxyError;
messageBuilder.AppendFormat(ExceptionMessages.RequestProhibitedByProxy, url.Host, proxyHost);
break;
case WebExceptionStatus.NameResolutionFailure:
status = HttpWebClientServiceExceptionStatus.NameResolutionFailure;
messageBuilder.AppendFormat(ExceptionMessages.NameResolutionFailure, proxyHost);
break;
case WebExceptionStatus.ConnectFailure:
status = HttpWebClientServiceExceptionStatus.ConnectFailure;
messageBuilder.AppendFormat(ExceptionMessages.ConnectFailure, url.Host);
break;
case WebExceptionStatus.Timeout:
status = HttpWebClientServiceExceptionStatus.Timeout;
messageBuilder.AppendFormat(ExceptionMessages.Timeout, url.Host);
break;
default:
status = HttpWebClientServiceExceptionStatus.WebException;
messageBuilder.AppendFormat(ExceptionMessages.UnknownException, url.Host, webException.Status);
break;
}
return(messageBuilder.ToString());
}
/// <summary>
/// Initializes a new instance of the <see cref="HttpWebClientServiceException"/> class.
/// </summary>
/// <param name="status">The status.</param>
/// <param name="ex">The ex.</param>
/// <param name="url">The URL.</param>
/// <param name="message">The message.</param>
private HttpWebClientServiceException(HttpWebClientServiceExceptionStatus status, Exception ex, Uri url, string message)
: base(message, ex)
{
Status = status;
Url = url;
}
/// <summary>
/// Parses an HTTP request exception to get an error message and a <see cref="HttpWebClientServiceExceptionStatus" /> status code.
/// </summary>
/// <param name="httpRequestException">The HTTP request exception.</param>
/// <param name="httpStatusCode">The HTTP status code.</param>
/// <param name="url">The URL.</param>
/// <param name="proxyHost">The proxy host.</param>
/// <param name="status">The status.</param>
/// <returns></returns>
private static string ParseHttpRequestException(HttpRequestException httpRequestException, HttpStatusCode httpStatusCode,
Uri url, string proxyHost, out HttpWebClientServiceExceptionStatus status)
{
StringBuilder messageBuilder = new StringBuilder();
switch (httpStatusCode)
{
// Informational
case HttpStatusCode.Continue:
goto default;
case HttpStatusCode.SwitchingProtocols:
goto default;
// Redirection
case HttpStatusCode.MultipleChoices:
goto default;
case HttpStatusCode.MovedPermanently:
goto default;
case HttpStatusCode.Redirect:
goto default;
case HttpStatusCode.RedirectMethod:
goto default;
case HttpStatusCode.NotModified:
goto default;
case HttpStatusCode.UseProxy:
status = HttpWebClientServiceExceptionStatus.ProxyError;
messageBuilder.AppendFormat(
ExceptionMessages.ProxyNameResolutionFailure, proxyHost);
break;
case HttpStatusCode.Unused:
goto default;
case HttpStatusCode.TemporaryRedirect:
goto default;
// Client Error
case HttpStatusCode.BadRequest:
goto default;
case HttpStatusCode.Unauthorized:
goto default;
case HttpStatusCode.PaymentRequired:
goto default;
case HttpStatusCode.Forbidden:
goto default;
case HttpStatusCode.NotFound:
goto default;
case HttpStatusCode.MethodNotAllowed:
goto default;
case HttpStatusCode.NotAcceptable:
goto default;
case HttpStatusCode.ProxyAuthenticationRequired:
status = HttpWebClientServiceExceptionStatus.ProxyError;
messageBuilder.AppendFormat(
ExceptionMessages.ProxyAuthenticationFailure, proxyHost, url.Host);
break;
case HttpStatusCode.RequestTimeout:
status = HttpWebClientServiceExceptionStatus.Timeout;
messageBuilder.AppendFormat(ExceptionMessages.Timeout, url.Host);
break;
case HttpStatusCode.Conflict:
goto default;
case HttpStatusCode.Gone:
goto default;
case HttpStatusCode.LengthRequired:
goto default;
case HttpStatusCode.PreconditionFailed:
goto default;
case HttpStatusCode.RequestEntityTooLarge:
goto default;
case HttpStatusCode.RequestUriTooLong:
goto default;
case HttpStatusCode.UnsupportedMediaType:
goto default;
case HttpStatusCode.RequestedRangeNotSatisfiable:
goto default;
case HttpStatusCode.ExpectationFailed:
goto default;
case HttpStatusCode.UpgradeRequired:
goto default;
// Server Error
case HttpStatusCode.InternalServerError:
case HttpStatusCode.NotImplemented:
case HttpStatusCode.BadGateway:
case HttpStatusCode.ServiceUnavailable:
case HttpStatusCode.GatewayTimeout:
case HttpStatusCode.HttpVersionNotSupported:
status = HttpWebClientServiceExceptionStatus.ServerError;
messageBuilder
.AppendFormat(ExceptionMessages.ServerError, url.Host)
.Append($"{(int)httpStatusCode} ({httpStatusCode.ToString().ConvertUpperCamelCaseToString()})");
break;
default:
status = HttpWebClientServiceExceptionStatus.Exception;
messageBuilder.AppendFormat(ExceptionMessages.UnknownException, url.Host,
$"{(int)httpStatusCode} ({httpStatusCode.ToString().ConvertUpperCamelCaseToString()})");
break;
}
return(messageBuilder.ToString());
}
/// <summary>
/// Initializes a new instance of the <see cref="HttpWebClientServiceException"/> class.
/// </summary>
/// <param name="status">The status.</param>
/// <param name="ex">The ex.</param>
/// <param name="url">The URL.</param>
/// <param name="message">The message.</param>
private HttpWebClientServiceException(HttpWebClientServiceExceptionStatus status, Exception ex, Uri url, string message)
: base(message, ex)
{
Status = status;
Url = url;
}
/// <summary>
/// Parses an HTTP request exception to get an error message and a <see cref="HttpWebClientServiceExceptionStatus" /> status code.
/// </summary>
/// <param name="httpRequestException">The HTTP request exception.</param>
/// <param name="httpStatusCode">The HTTP status code.</param>
/// <param name="url">The URL.</param>
/// <param name="proxyHost">The proxy host.</param>
/// <param name="status">The status.</param>
/// <returns></returns>
private static string ParseHttpRequestException(HttpRequestException httpRequestException, HttpStatusCode httpStatusCode,
Uri url, string proxyHost, out HttpWebClientServiceExceptionStatus status)
{
StringBuilder messageBuilder = new StringBuilder();
switch (httpStatusCode)
{
// Informational
case HttpStatusCode.Continue:
goto default;
case HttpStatusCode.SwitchingProtocols:
goto default;
// Redirection
case HttpStatusCode.MultipleChoices:
goto default;
case HttpStatusCode.MovedPermanently:
goto default;
case HttpStatusCode.Redirect:
goto default;
case HttpStatusCode.RedirectMethod:
goto default;
case HttpStatusCode.NotModified:
goto default;
case HttpStatusCode.UseProxy:
status = HttpWebClientServiceExceptionStatus.ProxyError;
messageBuilder.AppendFormat(
ExceptionMessages.ProxyNameResolutionFailure, proxyHost);
break;
case HttpStatusCode.Unused:
goto default;
case HttpStatusCode.TemporaryRedirect:
goto default;
// Client Error
case HttpStatusCode.BadRequest:
goto default;
case HttpStatusCode.Unauthorized:
goto default;
case HttpStatusCode.PaymentRequired:
goto default;
case HttpStatusCode.Forbidden:
goto default;
case HttpStatusCode.NotFound:
goto default;
case HttpStatusCode.MethodNotAllowed:
goto default;
case HttpStatusCode.NotAcceptable:
goto default;
case HttpStatusCode.ProxyAuthenticationRequired:
status = HttpWebClientServiceExceptionStatus.ProxyError;
messageBuilder.AppendFormat(
ExceptionMessages.ProxyAuthenticationFailure, proxyHost, url.Host);
break;
case HttpStatusCode.RequestTimeout:
status = HttpWebClientServiceExceptionStatus.Timeout;
messageBuilder.AppendFormat(ExceptionMessages.Timeout, url.Host);
break;
case HttpStatusCode.Conflict:
goto default;
case HttpStatusCode.Gone:
goto default;
case HttpStatusCode.LengthRequired:
goto default;
case HttpStatusCode.PreconditionFailed:
goto default;
case HttpStatusCode.RequestEntityTooLarge:
goto default;
case HttpStatusCode.RequestUriTooLong:
goto default;
case HttpStatusCode.UnsupportedMediaType:
goto default;
case HttpStatusCode.RequestedRangeNotSatisfiable:
goto default;
case HttpStatusCode.ExpectationFailed:
goto default;
case HttpStatusCode.UpgradeRequired:
goto default;
// Server Error
case HttpStatusCode.InternalServerError:
case HttpStatusCode.NotImplemented:
case HttpStatusCode.BadGateway:
case HttpStatusCode.ServiceUnavailable:
case HttpStatusCode.GatewayTimeout:
case HttpStatusCode.HttpVersionNotSupported:
status = HttpWebClientServiceExceptionStatus.ServerError;
messageBuilder
.AppendFormat(ExceptionMessages.ServerError, url.Host)
.Append($"{(int)httpStatusCode} ({httpStatusCode.ToString().ConvertUpperCamelCaseToString()})");
break;
default:
status = HttpWebClientServiceExceptionStatus.Exception;
messageBuilder.AppendFormat(ExceptionMessages.UnknownException, url.Host,
$"{(int)httpStatusCode} ({httpStatusCode.ToString().ConvertUpperCamelCaseToString()})");
break;
}
return messageBuilder.ToString();
}
/// <summary>
/// Parses a web exception to get an error message and a <see cref="HttpWebClientServiceExceptionStatus"/> status code.
/// </summary>
/// <param name="webException">The web exception.</param>
/// <param name="url">The URL.</param>
/// <param name="proxyHost">The proxy host.</param>
/// <param name="status">The status.</param>
/// <returns></returns>
private static string ParseWebRequestException(WebException webException, Uri url, string proxyHost,
out HttpWebClientServiceExceptionStatus status)
{
StringBuilder messageBuilder = new StringBuilder();
switch (webException.Status)
{
case WebExceptionStatus.ProtocolError:
HttpWebResponse response = (HttpWebResponse)webException.Response;
switch (response.StatusCode)
{
case HttpStatusCode.ProxyAuthenticationRequired:
status = HttpWebClientServiceExceptionStatus.ProxyError;
messageBuilder.AppendFormat(
ExceptionMessages.ProxyAuthenticationFailure, proxyHost, url.Host);
break;
default:
status = HttpWebClientServiceExceptionStatus.ServerError;
messageBuilder
.AppendFormat(ExceptionMessages.ServerError, url.Host)
.Append(response.StatusDescription);
break;
}
break;
case WebExceptionStatus.ProxyNameResolutionFailure:
status = HttpWebClientServiceExceptionStatus.ProxyError;
messageBuilder.AppendFormat(ExceptionMessages.ProxyNameResolutionFailure, proxyHost);
break;
case WebExceptionStatus.RequestProhibitedByProxy:
status = HttpWebClientServiceExceptionStatus.ProxyError;
messageBuilder.AppendFormat(ExceptionMessages.RequestProhibitedByProxy, url.Host, proxyHost);
break;
case WebExceptionStatus.NameResolutionFailure:
status = HttpWebClientServiceExceptionStatus.NameResolutionFailure;
messageBuilder.AppendFormat(ExceptionMessages.NameResolutionFailure, proxyHost);
break;
case WebExceptionStatus.ConnectFailure:
status = HttpWebClientServiceExceptionStatus.ConnectFailure;
messageBuilder.AppendFormat(ExceptionMessages.ConnectFailure, url.Host);
break;
case WebExceptionStatus.Timeout:
status = HttpWebClientServiceExceptionStatus.Timeout;
messageBuilder.AppendFormat(ExceptionMessages.Timeout, url.Host);
break;
default:
status = HttpWebClientServiceExceptionStatus.WebException;
messageBuilder.AppendFormat(ExceptionMessages.UnknownException, url.Host, webException.Status);
break;
}
return messageBuilder.ToString();
}
