public static void AssetConverterInit()
{
// use concrete asset for concrete extension
AssetConverter.RegisterExtension <TextAsset>(".txt");
AssetConverter.RegisterExtension <DocAsset>(".doc");
AssetConverter.RegisterExtension <DocAsset>(".docx");
AssetConverter.RegisterExtension <JpgAsset>(".jpg");
AssetConverter.RegisterExtension <PngAsset>(".png");
AssetConverter.RegisterExtension <PdfAsset>(".pdf");
// for concrete asset use concrete asset converter
AssetConverter.RegisterConverter <TextAsset, TextAssetConverter>();
AssetConverter.RegisterConverter <WebAsset, TextAssetConverter>();
AssetConverter.RegisterConverter <JpgAsset, ImageAssetConverter>();
AssetConverter.RegisterConverter <PngAsset, ImageAssetConverter> ();
AssetConverter.RegisterConverter <PdfAsset, PdfAssetConverter>();
}
