using ResultSet.getObject(int) to populate an Object[][] array

thufir <>
Thu, 10 Jul 2008 03:28:11 GMT
I had to futz around with i,j to get the rows double array to match the
db table, but it's quasi-acceptable.

It was enough of a PITA that I'm sure there's a better way. To start
with, I hard coded the number of rows (9). I suppose I could iterate the
result to find the size, but then I'm iterating twice.

There's gotta be a better way. Suggestions please on how to get data
from a flat table :)

It's going to end up in a TableList for a JTable.

Whenever I look into stuff like this I see get huge results on Hibernate,
things like that which are too much right now. I'm hoping/assuming
there's something built into the API to achieve this, but a bit slicker.

thufir@arrakis:~$ cat NetBeansProjects/mysql/src/a00720398/model/
package a00720398.model;

import a00720398.model.*;
import java.sql.*;
import java.util.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.table.*;

public class Model extends Observable {

    private static final Model INSTANCE = new Model();
    private Connection connection = DBConnection.getInstance
    private Vector cars = new Vector();

    private Model() {
        try {
        } catch (SQLException ex) {
null, ex);

    public static Model getInstance() {
        return INSTANCE;

    private void init() throws SQLException {
        ResultSet resultSet = getResultSet();

        int columnCount = resultSet.getMetaData().getColumnCount();
        Object[][] rows = new Object[9][columnCount];

        while ( {
            int i = resultSet.getRow();
            for (int j = 1; j < columnCount+1; j++) {
                rows[i - 1][j-1] = resultSet.getObject(j);

    ResultSet getResultSet() throws SQLException {
        Statement statement = connection.createStatement();
        ResultSet resultSet = statement.executeQuery("SELECT * FROM
        return resultSet;



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