Scoreboard-Time

package me.gervobis.MySQL;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;

import org.bukkit.Bukkit;
import org.bukkit.entity.Player;
import org.bukkit.plugin.Plugin;
import org.bukkit.scoreboard.DisplaySlot;
import org.bukkit.scoreboard.Objective;
import org.bukkit.scoreboard.Score;
import org.bukkit.scoreboard.Scoreboard;
import org.bukkit.scoreboard.ScoreboardManager;

public class ScoreboardClass {

    private static HashMap<String,String> times = new HashMap<String,String>();

    public static void setScoreboard(Player player){
        ScoreboardManager sm = Bukkit.getScoreboardManager();
        Scoreboard board = sm.getNewScoreboard();
        Objective obj = board.getObjective("aaa");
        if(obj == null){
            obj = board.registerNewObjective("aaa", "bbb");
        }
        obj.setDisplaySlot(DisplaySlot.SIDEBAR);
        obj.setDisplayName("§2§lBrotGames.eu");


        SimpleDateFormat date = new SimpleDateFormat("HH:mm:ss");
        String time = "§6§l" + date.format(new Date());

        Score time_label = obj.getScore("§b§lUhrzeit:");
        Score time_score = obj.getScore(time);

        time_label.setScore(2);
        time_score.setScore(1);

        times.put(player.getName(), time);
        player.setScoreboard(board);
    }

    public static void updateScoreboard(Plugin plugin){
        Bukkit.getScheduler().scheduleAsyncRepeatingTask(plugin, new Runnable() {

            public void run() {
                for(Player player : Bukkit.getOnlinePlayers()){
                    uScoreboard(player);
                }
            }
        }, 0, 20);
    }

    private static void uScoreboard(Player player){
        ScoreboardManager sm = Bukkit.getScoreboardManager();
        Scoreboard board = null;
        Objective obj = null;
        if(player.getScoreboard() != null){
            board = player.getScoreboard();
        }
        if(board != null){
            obj = board.getObjective("aaa");
        }

        if(obj != null){
            if(obj.getDisplayName().equalsIgnoreCase("§2§lBrotGames.eu")){
                SimpleDateFormat date = new SimpleDateFormat("HH:mm:ss");
                String time = "§6§l" + date.format(new Date());


                board.resetScores(times.get(player.getName()));
                Score time_label = obj.getScore("§b§lUhrzeit:");
                Score time_score = obj.getScore(time);
                times.put(player.getName(),time);

                time_label.setScore(2);
                time_score.setScore(1);

            }
        }
    }


}