URL url;
    public static DbfTableModel getDbfTableModel(URL dbf) {        URL url;        DbfTableModel model = null;        try {            InputStream is = dbf.openStream();            try {                model = new DbfTableModel(new DbfInputStream(is));            } catch (Exception exception) {                System.out.println(exception);            }            is.close();        } catch (Exception exception) {            System.out.println(exception);        }        return model;    }