String dataDir = Utils.getSharedDataDir(GetFileFormatInfo.class) + "load/";
	
Document document = new Document(dataDir + "Aspose.one");
switch (document.getFileFormat())
{
    case FileFormat.OneNote2010:
        // Process OneNote 2010
        break;
    case FileFormat.OneNoteOnline:
        // Process OneNote Online
        break;
}