/// <summary>
/// Gets a custom exception that wraps the SOAP exception thrown
/// by the server.
/// </summary>
/// <param name="ex">SOAPException that was thrown by the server.</param>
/// <returns>A custom exception object that wraps the SOAP exception.
/// </returns>
protected override Exception GetCustomException(SoapException exception)
{
string defaultNs = GetDefaultNamespace();
if (!string.IsNullOrEmpty(defaultNs) && exception.Detail != null)
{
// Extract the ApiExceptionFault node.
XmlElement faultNode = GetFaultNode(exception, defaultNs, "ApiExceptionFault");
if (faultNode != null)
{
try {
AdWordsApiException awapiException = new AdWordsApiException(
SerializationUtilities.DeserializeFromXmlTextCustomRootNs(
faultNode.OuterXml, Assembly.GetExecutingAssembly().GetType(
this.GetType().Namespace + ".ApiException"), defaultNs, "ApiExceptionFault"),
AdWordsErrorMessages.AnApiExceptionOccurred, exception);
if (AdWordsErrorHandler.IsOAuthTokenExpiredError(awapiException))
{
return(new AdWordsCredentialsExpiredException(
(string)ContextStore.GetValue("OAuthHeader")));
}
else
{
return(awapiException);
}
} catch (Exception) {
// deserialization failed, but we can safely ignore it.
}
}
}
return(new AdWordsApiException(null, AdWordsErrorMessages.AnApiExceptionOccurred, exception));
}
/// <summary>
/// Downloads a report to stream.
/// </summary>
/// <param name="downloadUrl">The download url.</param>
/// <param name="postBody">The POST body.</param>
private ReportResponse DownloadReport(string downloadUrl, string postBody)
{
AdWordsErrorHandler errorHandler = new AdWordsErrorHandler(this.User as AdWordsUser);
while (true) {
WebResponse response = null;
HttpWebRequest request = BuildRequest(downloadUrl, postBody);
LogEntry logEntry = new LogEntry(User.Config, new DefaultDateTimeProvider());
logEntry.LogRequest(request, postBody, HEADERS_TO_MASK);
try {
response = request.GetResponse();
logEntry.LogResponse(response, false, "Response truncated.");
logEntry.Flush();
return new ReportResponse(response);
} catch (WebException e) {
Exception reportsException = null;
string contents = HttpUtilities.GetErrorResponseBody(e);
logEntry.LogResponse(e.Response, true, contents);
logEntry.Flush();
reportsException = ParseException(e, contents);
if (AdWordsErrorHandler.IsOAuthTokenExpiredError(reportsException)) {
reportsException = new AdWordsCredentialsExpiredException(
request.Headers["Authorization"]);
}
if (errorHandler.ShouldRetry(reportsException)) {
errorHandler.PrepareForRetry(reportsException);
} else {
throw reportsException;
}
}
}
}
