/// <summary>
/// Parse the given exception.
/// </summary>
/// <param name="exc">Encountered exception.</param>
/// <returns>Parsed exception.</returns>
/// <exception cref="ArgumentException">Exception is not an InvalidOperationException</exception>
/// <exception cref="ArgumentNullException">Excepion is null</exception>
public static ActiveDirectoryParsedException Parse(Exception exc)
{
if (exc == null)
{
throw new ArgumentNullException("exc is null");
}
if (!(exc is InvalidOperationException))
{
throw new ArgumentException("exc is not of type InvalidOperationException");
}
var parsedException = new ActiveDirectoryParsedException();
string messageToBeParsed = exc.Message;
if (exc.InnerException != null)
{
messageToBeParsed = exc.InnerException.Message;
}
try
{
var stringReader = new StringReader(messageToBeParsed);
var errorObject = XmlSerializer.Deserialize(stringReader) as XmlErrorResponse;
parsedException = new ActiveDirectoryParsedException(errorObject);
}
catch (InvalidOperationException)
{
}
if (String.IsNullOrEmpty(parsedException.Code))
{
parsedException.Code = messageToBeParsed;
}
return parsedException;
}
/// <summary>
/// Method to handle binding redirection exception. This exception means that the
/// user's data is located in another data center. This exception's details returns
/// several urls that may work in this case. At least one url is guaranteed to work
/// So we need to get all the URLs and try them
/// </summary>
/// <param name="parsedException">The binding redirection exception we received</param>
/// <param name="operation">The operation to try</param>
private void HandleBindingRedirectionException(ActiveDirectoryParsedException parsedException, Action operation)
{
var urls = (from ed in parsedException.Values.ErrorDetail where ed.Name.StartsWith("Url") select ed.Value).ToList();
// Go thru the error details name\value pair
// Now try each URL
foreach (string newUrl in urls)
{
// We permanantly change the dataservice to point to the new URL
// as none of the operations will work on the current url
Service = new DirectoryDataService(new Uri(string.Format("{0}/{1}", newUrl, Properties.FullTenantAddress)));
// This adds the default required headers to each request
AddHeaders();
try
{
// try the operation
operation();
// if the operation is successful, break out of the loop
// all the subsequent operations will go to the new URL
break;
}
catch (Exception)
{
// nothing can be done, try next URL
}
}
}
