static Map<S, S> getTableLineAsMap(JTable tbl, int row) {
  if (row >= 0 && row < tbl.getModel().getRowCount()) {
    Map<S, S> map = litorderedmap(); // keep order of columns
    for (int i = 0; i < tbl.getModel().getColumnCount(); i++)
      map.put(tbl.getModel().getColumnName(i),
        String.valueOf(tbl.getModel().getValueAt(row, i)));
    ret map;
  }
  ret null;
}

Began life as a copy of #1001755