EmpireScoreboard.java

public class EmpireScoreboard {
    static Scoreboard scoreboard;
    public static void initialize() {
        scoreboard = Bukkit.getScoreboardManager().getNewScoreboard();
    }

    public static Team getTeam(Player player) {
        return Util.getMetadata(player, TempMetaKey.PLAYER_SCOREBOARD_TEAM);
    }

    public static void registerTeam(Player player) {
        final Team team = scoreboard.registerNewTeam(player.getName());
        Util.setMetadata(player, TempMetaKey.PLAYER_SCOREBOARD_TEAM, team);
        player.setScoreboard(scoreboard);
        team.addPlayer(player);
    }

    public static void disbandTeam(Player player) {
        Team team = getTeam(player);
        team.removePlayer(player);
        team.unregister();
    }
    public static void setPlayerListName(Player player) {
        getTeam(player).setPrefix(EmpireGroup.getGroup(player).color);
    }
}