/// <summary>
/// Detects file type of the input file
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
internal static FileTypesEnum DetectFileType(string fileName)
{
Logger.Log.DebugFormat("Detecting file type for {0}", fileName);
var extension = Path.GetExtension(fileName);
if (extension != null)
{
switch (extension.ToUpper())
{
case ".FB2":
Logger.Log.Debug("The file is FB2 file");
return(FileTypesEnum.FileTypeFB2);
case ".ZIP":
Logger.Log.Debug("The file is ZIP file");
return(FileTypesEnum.FileTypeZIP);
case ".RAR":
Logger.Log.Debug("The file is RAR file");
return(FileTypesEnum.FileTypeRAR);
default:
Logger.Log.Debug("Can't use extension - attempting to detect");
if (FB2ZipFileLoader.IsZipFile(fileName))
{
Logger.Log.Debug("The file is ZIP file");
return(FileTypesEnum.FileTypeZIP);
}
if (FB2RarLoader.IsRarFile(fileName))
{
Logger.Log.Debug("The file is RAR file");
return(FileTypesEnum.FileTypeRAR);
}
if (FB2FileLoader.IsFB2File(fileName))
{
Logger.Log.Debug("The file is FB2 file");
return(FileTypesEnum.FileTypeFB2);
}
break;
}
}
Logger.Log.Debug("The file is unknown file type");
return(FileTypesEnum.FileTypeUnknown);
}
