public override T GetService <T>(Type type = null)
{
// First try internal services
var service = base.GetService <T>(type);
return(service ?? _exportProvider.GetExportedValueOrDefault <T>());
}
private object DecorateRazorVersionDetector()
{
var detector = _inner.GetExportedValueOrDefault <IRazorVersionDetector>();
detector = new RazorVersionDetector(detector);
return(detector);
}
internal static T TryGetExportedValueOrDefault <T>(ExportProvider provider, ILog log) where T : class
{
T result = null;
try
{
result = provider.GetExportedValueOrDefault <T>();
}
catch (ReflectionTypeLoadException rtle)
{
var sb = new StringBuilder();
var type = typeof(T);
sb.AppendFormat(CultureInfo.InvariantCulture, "Unable to load plugin of type '{0}':", type);
sb.AppendLine();
foreach (var loaderException in rtle.LoaderExceptions)
{
sb.AppendLine(loaderException.ToString());
}
log.Error(sb.ToString());
}
return(result);
}
public object GetInstance(string contract)
{
return(_container.GetExportedValueOrDefault <object>(contract));
}