private Type GetControllerTypeWithinNamespaces(string controllerName, HashSet <string> namespaces)
{
// Once the master list of controllers has been created we can quickly index into it
ControllerTypeCache.EnsureInitialized(BuildManager);
IList <Type> matchingTypes = ControllerTypeCache.GetControllerTypes(controllerName, namespaces);
switch (matchingTypes.Count)
{
case 0:
// no matching types
return(null);
case 1:
// single matching type
return(matchingTypes[0]);
default:
// multiple matching types
// we need to generate an exception containing all the controller types
StringBuilder sb = new StringBuilder();
foreach (Type matchedType in matchingTypes)
{
sb.AppendLine();
sb.Append(matchedType.FullName);
}
throw new InvalidOperationException(
String.Format(
CultureInfo.CurrentUICulture,
MvcResources.DefaultControllerFactory_ControllerNameAmbiguous,
controllerName, sb));
}
}
