private static IEnumerable <Type> TypesImplementingInterface(Assembly assembly, Type desiredType)
{
return(Enumerable.Where <Type>((IEnumerable <Type>)assembly.GetTypes(), (Func <Type, bool>)(type =>
{
if (desiredType.IsAssignableFrom(type))
{
return SubtitleDownloaderFactory.IsRealClass(type);
}
return false;
})));
}
static SubtitleDownloaderFactory()
{
try
{
SubtitleDownloaderFactory.CreateDownloaderInstances(SubtitleDownloaderFactory.FindDownloaderImplementations());
}
catch (ReflectionTypeLoadException ex)
{
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.AppendLine("Following loader exceptions were found: ");
foreach (Exception exception in ex.LoaderExceptions)
{
stringBuilder.AppendLine(exception.Message);
}
throw new Exception(stringBuilder.ToString(), (Exception)ex);
}
}
private static IEnumerable <Type> FindDownloaderImplementations()
{
List <Type> list = new List <Type>();
list.AddRange(SubtitleDownloaderFactory.TypesImplementingInterface(Assembly.GetExecutingAssembly(), typeof(ISubtitleDownloader)));
string path1 = FileUtils.AssemblyDirectory + "\\SubtitleDownloaders";
if (Directory.Exists(path1))
{
foreach (string path2 in Enumerable.Where <string>((IEnumerable <string>)Directory.GetFiles(path1), (Func <string, bool>)(s => s.EndsWith("dll"))))
{
try
{
Assembly assembly = Assembly.LoadFile(path2);
list.AddRange(SubtitleDownloaderFactory.TypesImplementingInterface(assembly, typeof(ISubtitleDownloader)));
}
catch (Exception ex)
{
}
}
}
return((IEnumerable <Type>)list);
}