LuckyEvent JoinListener

package me.choohan.luckyevent;

import java.util.List;

import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.plugin.Plugin;
import org.bukkit.plugin.PluginManager;

public class JoinListener implements Listener{
    main plugin;

    public void onEnable(){

        PluginManager pm = plugin.getServer().getPluginManager();
        pm.registerEvents(this, plugin);
    }

    public JoinListener(main main) {
        // TODO Auto-generated constructor stub
        main.getServer().getPluginManager().registerEvents(this, main);
    }
    @EventHandler
    public void onPlayerJoin(PlayerJoinEvent e){

        Player player = e.getPlayer();

        player.sendMessage("Welcome");

        e.setJoinMessage("Welcome");
        List<String> playerconfig = plugin.getPlayerConfig().getStringList("Players");

        playerconfig.add(player.getName());

        plugin.getPlayerConfig().set("Players", playerconfig);

        plugin.saveConfig();
    }



}