public void HandleException(object errorSource, Exception e)
{
bool handled = false;
for (int i = 0; (i < ErrorHandlers.Count); ++i)
{
var errorHandler = ErrorHandlers[i];
try
{
GuardedOperations.LastHandledException = e;
GuardedOperations.LastHandleExceptionStackTrace = e.StackTrace;
errorHandler.HandleError(errorSource, e);
handled = true;
}
catch (Exception doubleFaultException)
{
// TODO: What is the right behavior here?
GuardedOperations.Fail(doubleFaultException.ToString());
}
}
if (!handled)
{
// TODO: What is the right behavior here?
GuardedOperations.Fail(e.ToString());
if (GuardedOperations.ReThrowIfNoHandlers)
{
throw new Exception("Unhandled exception.", e);
}
}
}
public void LogException(object errorSource, Exception e)
{
var logged = false;
for (int i = 0; (i < ErrorHandlers.Count); ++i)
{
var errorHandler = ErrorHandlers[i] as IExtensionErrorHandler2;
if (errorHandler != null)
{
try
{
GuardedOperations.LastHandledException = e;
GuardedOperations.LastHandleExceptionStackTrace = e.StackTrace;
errorHandler.LogError(errorSource, e);
logged = true;
}
catch (Exception doubleFaultException)
{
// TODO: What is the right behavior here?
GuardedOperations.Fail(doubleFaultException.ToString());
}
}
}
if (!logged)
{
Debug.WriteLine(e.Message);
}
}
/// <summary>
/// Given a list of extensions that provide text view roles and content types, return the
/// instantiated extension which best matches the given content type and matches at least one of the roles.
/// </summary>
public static TExtensionInstance InvokeBestMatchingFactory <TExtensionInstance, TExtensionFactory, TMetadataView>
(IEnumerable <Lazy <TExtensionFactory, TMetadataView> > providerHandles,
IContentType dataContentType,
ITextViewRoleSet viewRoles,
Func <TExtensionFactory, TExtensionInstance> getter,
IContentTypeRegistryService contentTypeRegistryService,
GuardedOperations guardedOperations,
object errorSource)
where TMetadataView : IContentTypeAndTextViewRoleMetadata // both content type and text view role are required
where TExtensionFactory : class
where TExtensionInstance : class
{
var roleMatchingProviderHandles = SelectMatchingExtensions(providerHandles, viewRoles);
return(guardedOperations.InvokeBestMatchingFactory(roleMatchingProviderHandles, dataContentType, getter, contentTypeRegistryService, errorSource));
}
