Main.java 2

package com.dibdibcraft.dBans;

import org.bukkit.Bukkit;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.event.EventException;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerLoginEvent;
import org.bukkit.plugin.PluginManager;
import org.bukkit.plugin.java.JavaPlugin;
import com.dibdibcraft.dBans.SQL;

import java.sql.ResultSet;
import java.sql.SQLException;

public class Main extends JavaPlugin implements Listener {
    public SQL sql = new SQL();

    JavaPlugin plugin;

    //PERMISSION DEFINITIONS
    String permPrefix = "dBans."; //This will be used later....

    public String colorize(String msg) {
        String coloredMsg = "";
        for (int i = 0; i < msg.length(); i++) {
            if (msg.charAt(i) == '&') {
                coloredMsg += '§';
            }

            else{
                coloredMsg += msg.charAt(i);
            }
        }
        return coloredMsg;
    }

    @Override
    public void onEnable(){
        System.out.println("[dBans] dBans Enabled");
        PluginManager pManager = getServer().getPluginManager();
        pManager.registerEvents(this, this);

        try {
            sql.connect(); //Opens the SQL connection.
        }

        catch (SQLException e) {
            e.printStackTrace();
        }
    }

    @Override
    public void onDisable(){
        System.out.println("[dBans] dBans Disabled");

        try {
            sql.close(null);
        }
        catch (SQLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    public boolean onCommand(CommandSender s, Command cmd, String label, String[] args){
        if (cmd.getName().equalsIgnoreCase("dBans")){
            if (args.length == 0){ //If the command is just /dbans or /dbans help, return the help menu.
                s.sendMessage(colorize("&f&ldBans Help Menu"
                        + "\n&&f/ban - "
                        + "\n  &f&oDescription: Permanently Bans a Player from the Selected Platform(s)"
                        + "\n &f&oUsage: /ban <playerName> <platform> <reason>"));

            }
        }
        return false;
    }

    @EventHandler
    public void playerLogin(PlayerLoginEvent event) throws SQLException, EventException{
        Player player = event.getPlayer();
        Bukkit.broadcastMessage("UUID from Client: " + player.getUniqueId());

        ResultSet pData = sql.checkPlayer(plugin, player.getUniqueId().toString());
        while (pData.next()) { Bukkit.broadcastMessage("UUID: " + pData.getString("mcUUID")); }

    }
}

//Again, the SQL class would normally be in a different file but it has been included here for simplicity.
package com.dibdibcraft.dBans;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import org.bukkit.plugin.java.JavaPlugin;
import org.bukkit.scheduler.BukkitRunnable;

import java.sql.ResultSet;

public class SQL {

    private String host = "dibdibguy.com";
    private String username = "dibdibgu_mc";
    private String db = "dibdibgu_ddc";
    private int port = 3306;
    private String password = "password";

    private Connection con;
    private JavaPlugin plugin;

    public void connect() throws SQLException{
        this.con = DriverManager.getConnection("jdbc:mysql://" + host + ":" + port + "/" + db,
                username, password);
    }

    @SuppressWarnings("unused")
    public ResultSet checkPlayer(JavaPlugin plugin, String uuid) throws SQLException{
        ResultSet data = (ResultSet) new BukkitRunnable(){
            public ResultSet run(JavaPlugin plugin, String uuid) throws SQLException{
                if(!con.isValid(2)) { connect(); }
                String query = "SELECT * FROM `u_u_bans` WHERE `mcUUID`=? LIMIT 1";
                PreparedStatement stat = con.prepareStatement(query);

                stat.setString(1, uuid);

                return stat.executeQuery();
            }

            @Override
            public void run() {
                // TODO Auto-generated method stub

            }
        }.runTaskAsynchronously(this.plugin);
        return data;
    }

    public void close(JavaPlugin plugin) throws SQLException{
        this.con.close();
    }
}