Criando uma Splash

package grafica;

import db.ConexaoDB;
import java.awt.Dimension;
import java.net.ServerSocket;
import java.sql.SQLException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JProgressBar;
import javax.swing.JWindow;
import org.netbeans.lib.awtextra.AbsoluteConstraints;
import org.netbeans.lib.awtextra.AbsoluteLayout;

public class Splash extends JWindow{
    private static ServerSocket s;
    AbsoluteLayout Absoluto;
    AbsoluteConstraints absimage, AbsBarra,AbsLabel,AbsDate;
    ImageIcon image;
    JLabel jlabel,jLabel1,jLabelDate;
    JProgressBar barra;
    Integer value;
    Float versao;
    Date dataupdate;
    ConexaoDB obj_conexao = new ConexaoDB();
    public Splash(){
        try { // aki nao permite que se abra mais de uma instancia do software por vez nesta maquina
            s = new ServerSocket(9581);
        } catch (Exception e) {
            JOptionPane.showMessageDialog(null, "Desculpe, mas só uma aplicação pode ser executada por vez.");
            System.exit(0);
        }
        obj_conexao.conecta(); // conecta o db
        Autent();
        SelectVersao();
        Absoluto = new AbsoluteLayout();
        absimage = new AbsoluteConstraints(0, 0);
        AbsBarra = new AbsoluteConstraints(14,9);
        AbsLabel = new AbsoluteConstraints(300,40);
        AbsDate = new AbsoluteConstraints(300,60);
        jLabel1 = new JLabel();
        jlabel = new JLabel();
        jLabelDate = new JLabel();
        barra = new JProgressBar();
        barra.setPreferredSize(new Dimension(200,15));
        this.getContentPane().setLayout(Absoluto);
        image = new ImageIcon(this.getClass().getResource("logoGesObras2.png"));
        jlabel.setIcon(image);
        jLabel1.setText("Versão: "+versao);
        jLabelDate.setText(""+new SimpleDateFormat("dd/MM/yyyy").format(dataupdate));
        this.getContentPane().add(jLabel1,AbsLabel);
        this.getContentPane().add(jLabelDate,AbsDate);
        this.getContentPane().add(jlabel,absimage);
        this.getContentPane().add(barra,AbsBarra);
        new Thread(){
            public void run(){
                int i=0;
                while(i<101){
                    barra.setValue(i);
                    i++;
                    try{
                        sleep(50);
                    } catch (InterruptedException ex){
                        Logger.getLogger(Splash.class.getName()).log(Level.SEVERE, null, ex);
                    }
                }
                //System.exit(0);

                if(value == 1){
                    new Autenticacao("PADRAO").setVisible(true);
                }else{
                    new Autenticacao(null).setVisible(true);
                }
                Splash.this.dispose();
            }
        }.start();
        this.pack();
        this.setVisible(true);
        this.setLocationRelativeTo(null);
    }
    
    public static void main(String args[]){
        new Splash();
    }


}