RSS JLabel z Jtable

package gui;

import java.awt.BorderLayout;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.text.DateFormatter;

import sluzby.Zdroj;
import sluzby.ZdrojRss;

import model.SeznamZmen;
import model.Zmena;

public class OknoZmen extends JFrame implements ListSelectionListener {
    private ZmenyTableModel model = new ZmenyTableModel();
    private JTable tabulka = new JTable();
    private JLabel lblDatum;
    private JLabel lblPredmet;

    public OknoZmen() {
        setVisible(true);
        setTitle("Zmeny ve vyuce");
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        add(new JScrollPane(tabulka), BorderLayout.CENTER);

        Zdroj z = new ZdrojRss("http://www.uhk.damidev.com/");
        SeznamZmen seznam = z.nacti();
        tabulka.setModel(model);

        model.setSeznam(seznam);

        tabulka.getSelectionModel().addListSelectionListener(this);

        JPanel panel = new JPanel();
        add(panel, BorderLayout.SOUTH);

        lblDatum = new JLabel("Datum");
        panel.add(lblDatum);

        lblPredmet = new JLabel("Predmet");
        panel.add(lblPredmet);


        pack();
    }

    @Override
    public void valueChanged(ListSelectionEvent e) {
        if (!e.getValueIsAdjusting()) {
            System.out.println(tabulka.getSelectedRow());

            int radekTabulky = tabulka.getSelectedRow();
            lblDatum.setText(  tabulka.getModel().getValueAt(radekTabulky, 0).toString() );
            lblPredmet.setText(  (String) tabulka.getModel().getValueAt(radekTabulky, 1)   );

        }
    }


}