/// <summary>
/// Reads the response with error handling
/// </summary>
/// <param name="response">The response.</param>
/// <returns>Service response.</returns>
private object ReadResponse(IEwsHttpWebResponse response)
{
object serviceResponse;
try
{
this.Service.ProcessHttpResponseHeaders(TraceFlags.EwsResponseHttpHeaders, response);
// If tracing is enabled, we read the entire response into a MemoryStream so that we
// can pass it along to the ITraceListener. Then we parse the response from the
// MemoryStream.
if (this.Service.IsTraceEnabledFor(TraceFlags.EwsResponse))
{
using (MemoryStream memoryStream = new MemoryStream())
{
using (Stream serviceResponseStream = ServiceRequestBase.GetResponseStream(response))
{
// Copy response to in-memory stream and reset position to start.
EwsUtilities.CopyStream(serviceResponseStream, memoryStream);
memoryStream.Position = 0;
}
this.TraceResponseXml(response, memoryStream);
serviceResponse = this.ReadResponseXml(memoryStream, response.Headers);
}
}
else
{
using (Stream responseStream = ServiceRequestBase.GetResponseStream(response))
{
serviceResponse = this.ReadResponseXml(responseStream, response.Headers);
}
}
}
catch (WebException e)
{
if (e.Response != null)
{
IEwsHttpWebResponse exceptionResponse = this.Service.HttpWebRequestFactory.CreateExceptionResponse(e);
this.Service.ProcessHttpResponseHeaders(TraceFlags.EwsResponseHttpHeaders, exceptionResponse);
}
throw new ServiceRequestException(string.Format(Strings.ServiceRequestFailed, e.Message), e);
}
catch (IOException e)
{
// Wrap exception.
throw new ServiceRequestException(string.Format(Strings.ServiceRequestFailed, e.Message), e);
}
finally
{
if (response != null)
{
response.Close();
}
}
return(serviceResponse);
}
/// <summary>
/// Processes the web exception.
/// </summary>
/// <param name="webException">The web exception.</param>
private void ProcessWebException(WebException webException)
{
if (webException.Response != null)
{
IEwsHttpWebResponse httpWebResponse = this.Service.HttpWebRequestFactory.CreateExceptionResponse(webException);
SoapFaultDetails soapFaultDetails = null;
if (httpWebResponse.StatusCode == HttpStatusCode.InternalServerError)
{
this.Service.ProcessHttpResponseHeaders(TraceFlags.EwsResponseHttpHeaders, httpWebResponse);
// If tracing is enabled, we read the entire response into a MemoryStream so that we
// can pass it along to the ITraceListener. Then we parse the response from the
// MemoryStream.
if (this.Service.IsTraceEnabledFor(TraceFlags.EwsResponse))
{
using (MemoryStream memoryStream = new MemoryStream())
{
using (Stream serviceResponseStream = ServiceRequestBase.GetResponseStream(httpWebResponse))
{
// Copy response to in-memory stream and reset position to start.
EwsUtilities.CopyStream(serviceResponseStream, memoryStream);
memoryStream.Position = 0;
}
this.TraceResponseXml(httpWebResponse, memoryStream);
EwsServiceXmlReader reader = new EwsServiceXmlReader(memoryStream, this.Service);
soapFaultDetails = this.ReadSoapFault(reader);
}
}
else
{
using (Stream stream = ServiceRequestBase.GetResponseStream(httpWebResponse))
{
EwsServiceXmlReader reader = new EwsServiceXmlReader(stream, this.Service);
soapFaultDetails = this.ReadSoapFault(reader);
}
}
if (soapFaultDetails != null)
{
switch (soapFaultDetails.ResponseCode)
{
case ServiceError.ErrorInvalidServerVersion:
throw new ServiceVersionException(Strings.ServerVersionNotSupported);
case ServiceError.ErrorSchemaValidation:
// If we're talking to an E12 server (8.00.xxxx.xxx), a schema validation error is the same as a version mismatch error.
// (Which only will happen if we send a request that's not valid for E12).
if ((this.Service.ServerInfo != null) &&
(this.Service.ServerInfo.MajorVersion == 8) && (this.Service.ServerInfo.MinorVersion == 0))
{
throw new ServiceVersionException(Strings.ServerVersionNotSupported);
}
break;
case ServiceError.ErrorIncorrectSchemaVersion:
// This shouldn't happen. It indicates that a request wasn't valid for the version that was specified.
EwsUtilities.Assert(
false,
"ServiceRequestBase.ProcessWebException",
"Exchange server supports requested version but request was invalid for that version");
break;
case ServiceError.ErrorServerBusy:
throw new ServerBusyException(new ServiceResponse(soapFaultDetails));
default:
// Other error codes will be reported as remote error
break;
}
// General fall-through case: throw a ServiceResponseException
throw new ServiceResponseException(new ServiceResponse(soapFaultDetails));
}
}
else
{
this.Service.ProcessHttpErrorResponse(httpWebResponse, webException);
}
}
}
