KeyGenerator (updated)

package com.sdev.skeygen.commands;

import com.sdev.skeygen.SKeygen;
import com.sdev.skeygen.database.MySQL;
import org.apache.commons.lang.RandomStringUtils;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;

import java.sql.SQLException;

import static org.bukkit.Bukkit.getServer;
public class KeyGenerator implements CommandExecutor {
    public MySQL mysql;
    public String player_name = "";
    public String player_key = RandomStringUtils.randomAlphabetic(16);

    @Override
    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
        this.player_name = sender.getName();
        if (sender instanceof Player) {
            Player player = (Player) sender;
            if(args.length > 0){
                if (args[0].equalsIgnoreCase("generate")){
                    player.sendMessage(ChatColor.translateAlternateColorCodes('&', SKeygen.messageData.get("generate")));
                    player.sendMessage(this.player_key);
                    sendMsg();
                    try {
                        mysql.insertKey(player_name, player_key);
                    } catch (SQLException e) {
                        e.printStackTrace();
                    }
                }else if (args[0].equalsIgnoreCase("help")){ player.sendMessage("\n" + "§dHelp - 1/1" + "\n\n" + "§6/key generate §f- §7Geretates a key in the Chat."); }
            }else{ player.sendMessage(ChatColor.translateAlternateColorCodes('&', SKeygen.messageData.get("args"))); }
        }else{ getServer().getConsoleSender().sendMessage(ChatColor.translateAlternateColorCodes('&', SKeygen.messageData.get("notPlayer"))); }
        return false;
    }
    public void sendMsg(){
        Bukkit.getConsoleSender().sendMessage("§e" + this.player_name + " has generated " + this.player_key);
    }
}