SetSpawn, Spawn Plugin

package hu.hero;

import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.World;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.plugin.java.JavaPlugin;

import net.md_5.bungee.api.ChatColor;

public class Main extends JavaPlugin implements Listener {

    public void onEnable(){
        System.out.println("Elindult a plugin!");
    }
    public void onDisable(){
        System.out.println("Leállt a plugin!");
    }
@EventHandler
public boolean onCommand(CommandSender sender, Command cmd, String laberl, String[] args) {
    Player p = (Player)sender;
    if(cmd.getName().equalsIgnoreCase("setspawn")) {
        if(p.hasPermission("plugin.setspawn")) {
            getConfig().set("plugin.world", p.getLocation().getWorld().getName());
            getConfig().set("plugin.x", Double.valueOf(p.getLocation().getX()));
            getConfig().set("plugin.y", Double.valueOf(p.getLocation().getY()));
            getConfig().set("plugin.z", Double.valueOf(p.getLocation().getZ()));
            saveConfig();
            p.sendMessage(ChatColor.AQUA + "Spawn pont sikeresen letéve!");
            return true;
        }else {
            p.sendMessage(ChatColor.RED + "Nincsen jogod használni ezt a parancsot!");
        }
    }
    if(cmd.getName().equalsIgnoreCase("spawn")) {
        if(p.hasPermission("plugin.spawn")) {
            if(getConfig().getConfigurationSection("plugin") == null) {
                p.sendMessage(ChatColor.RED + "Nincsen letéve spawn pont! /setspawn");
                return true;
            }
            World w = Bukkit.getServer().getWorld(getConfig().getString("plugin.world"));
            double x = getConfig().getDouble("plugin.x");
            double y = getConfig().getDouble("plugin.y");
            double z = getConfig().getDouble("plugin.z");
            p.teleport(new Location(w,x,y,z));
            p.sendMessage(ChatColor.AQUA + "Spawn pontra lettél teleportálva!");
        }else {
            p.sendMessage(ChatColor.RED + "Nincsen jogod használni ezt a parancsot!");
        }
    }
    return true;
    }
}