How to Fetch All information from Sqlite table to Text File In java

JButton btnExp = new JButton("Exp");
    btnExp.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent arg0) {

            try {

                String query="SELECT * FROM CustomerInfo";
                PreparedStatement pst=connection.prepareStatement(query);


                ResultSet rs=pst.executeQuery();

                 File file = new File("C:\\Users\\Ihusaan Areef\\Desktop\\Something.txt");

                 rs = pst.executeQuery(query);
                 /*while (rs.next()) {
                 int VoucherNo = rs.getInt(1);
                 String CustomerName = rs.getString(2);
                 String EnterTime = rs.getString(3);
                 String LastTime = rs.getString(4);
                 String Destination = rs.getString(5);
                 String AirlineCode = rs.getString(6);
                 String FlightNo = rs.getString(7);
                 String Date = rs.getString(8);
                 String Time = rs.getString(9);*/


                 FileWriter fstream = new FileWriter(file);
                 BufferedWriter out = new BufferedWriter(fstream);

                  out.write(rs.getString(query));
                  /*out.write(rs.getString(2));
                  out.write(rs.getString(3));
                  out.write(rs.getString(4));
                  out.write(rs.getString(5));
                  out.write(rs.getString(6));
                  out.write(rs.getString(7));
                  out.write(rs.getString(8));
                  out.write(rs.getString(9));*/

                  out.close();             

                 } catch(Exception fd){
                     JOptionPane.showMessageDialog(null, fd);
                 }

        }

    });
    btnExp.setBounds(918, 111, 69, 29);
    contentPane.add(btnExp);

I am Getting "not implemented by sqlite jdbc driver" Error when i run the query. Is the query correct or shall i keep on going? i want to export all table information to a text file. I am using Eclipse and sqlite. i have installed all the needed .jar files and imported all the materials.