private Exception ExecuteHandlerChain(Exception ex, Guid handlingInstanceID)
{
string lastHandlerName = String.Empty;
Exception originalException = ex;
try
{
foreach (IExceptionHandler handler in handlers)
{
lastHandlerName = handler.GetType().Name;
ex = handler.HandleException(ex, handlingInstanceID);
instrumentationProvider.FireExceptionHandlerExecutedEvent();
}
}
catch (Exception handlingException)
{
instrumentationProvider.FireExceptionHandlingErrorOccurred(
ExceptionUtility.FormatExceptionHandlingExceptionMessage(
policyName,
new ExceptionHandlingException(string.Format(CultureInfo.CurrentCulture, Resources.UnableToHandleException, lastHandlerName), handlingException),
ex,
originalException));
throw new ExceptionHandlingException(string.Format(CultureInfo.CurrentCulture, Resources.UnableToHandleException, lastHandlerName));
}
return(ex);
}
private static ExceptionPolicyImpl GetExceptionPolicy(Exception exception, string policyName)
{
try
{
return(EnterpriseLibraryContainer.Current.GetInstance <ExceptionPolicyImpl>(policyName));
}
catch (ActivationException configurationException)
{
try
{
DefaultExceptionHandlingEventLogger logger = EnterpriseLibraryContainer.Current.GetInstance <DefaultExceptionHandlingEventLogger>();
logger.LogConfigurationError(configurationException, policyName);
}
catch { }
throw;
}
catch (Exception ex)
{
try
{
string exceptionMessage = ExceptionUtility.FormatExceptionHandlingExceptionMessage(policyName, ex, null, exception);
DefaultExceptionHandlingEventLogger logger = EnterpriseLibraryContainer.Current.GetInstance <DefaultExceptionHandlingEventLogger>();
logger.LogInternalError(policyName, exceptionMessage);
}
catch { }
throw new ExceptionHandlingException(ex.Message, ex);
}
}
private static ExceptionPolicyImpl GetExceptionPolicy(Exception exception, string policyName, ExceptionPolicyFactory factory)
{
try
{
return(factory.Create(policyName));
}
catch (ConfigurationErrorsException configurationException)
{
try
{
DefaultExceptionHandlingEventLogger logger = EnterpriseLibraryFactory.BuildUp <DefaultExceptionHandlingEventLogger>();
logger.LogConfigurationError(configurationException, policyName);
}
catch { }
throw;
}
catch (Exception ex)
{
try
{
string exceptionMessage = ExceptionUtility.FormatExceptionHandlingExceptionMessage(policyName, ex, null, exception);
DefaultExceptionHandlingEventLogger logger = EnterpriseLibraryFactory.BuildUp <DefaultExceptionHandlingEventLogger>();
logger.LogInternalError(policyName, exceptionMessage);
}
catch { }
throw new ExceptionHandlingException(ex.Message, ex);
}
}
/// <devdoc>
/// Rethrows the given exception. Placed in a seperate method for
/// easier viewing in the stack trace.
/// </devdoc>
private Exception IntentionalRethrow(Exception chainException, Exception originalException)
{
if (chainException != null)
{
throw chainException;
}
Exception wrappedException = new ExceptionHandlingException(Resources.ExceptionNullException);
instrumentationProvider.FireExceptionHandlingErrorOccurred(
ExceptionUtility.FormatExceptionHandlingExceptionMessage(policyName, wrappedException, chainException, originalException));
return(wrappedException);
}