XMMP CLient (teplomer)

/* KNIHOVNY
http://commons.apache.org/io/
http://www.igniterealtime.org/projects/smack/
*/

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.Date;

import org.apache.commons.io.IOUtils;
import org.jivesoftware.smack.Connection;
import org.jivesoftware.smack.Roster;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.packet.Presence;
import org.jivesoftware.smackx.packet.Nick;
import org.jivesoftware.smackx.packet.VCard;

public class Teplota {
    private final static String SERVER = "jabber.cz";
    private final static String JMENO = "";
    private final static String HESLO = "";
    private final static String NICK = "Pokus 123 :-)";
    private final static int UPDATE = 60;
    public static Connection con;
    public static Presence presence;

    private static String teplota;

    public static void main(String[] args) throws XMPPException, InterruptedException, IOException {

        con = new XMPPConnection(SERVER);
        con.connect();
        con.login(JMENO, HESLO);

        presence = new Presence(Presence.Type.available);

        Roster.setDefaultSubscriptionMode(Roster.SubscriptionMode.accept_all);

        Nick nick = new Nick(NICK);
        VCard vCard = new VCard();
        vCard.setJabberId(JMENO + "@" + SERVER);
        vCard.setNickName(NICK);
        vCard.save(con);

        class Status implements Runnable {
            InputStream in;
            SimpleDateFormat formatData = new SimpleDateFormat("DD.MM.YYYY HH:mm");

            @Override
            public void run() {
                while (true) {
                    try {
                        Date casMereni = new Date();
                        InputStream in = new URL("http://ADRESA/aktualni-teplota.txt").openStream();

                        teplota = IOUtils.toString(in) + "°C [Jicin " + formatData.format(casMereni) + "]";
                        presence.setStatus(teplota);
                        con.sendPacket(presence);
                        System.out.println(teplota);
                        Thread.sleep(UPDATE*1000);
                    } catch (IOException e) {
                        e.printStackTrace();
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    } finally {
                        IOUtils.closeQuietly(in);
                    }
                }
            }
        }

        Status aktualizujStatus = new Status();
        Thread myThread = new Thread(aktualizujStatus);
        myThread.start();
        System.out.println("XMPP byl klient uspesne spusten.");
        myThread.join();

        con.disconnect();
    }
}