private NetcdfDataset getBufrMessageAsDataset(Message m) throws IOException {
   byte[] mbytes = scan.getMessageBytes(m);
   NetcdfFile ncfile = null;
   try {
     ncfile = NetcdfFile.openInMemory("test", mbytes, "ucar.nc2.iosp.bufr.BufrIosp");
   } catch (Exception e) {
     throw new IOException(e);
   }
   return new NetcdfDataset(ncfile);
 }
 DatasetTreeModel(NetcdfFile file) {
   super(new GroupNode(null, file.getRootGroup()), false);
 }