Enderpearl cooldown

package com.floodeer.endycooldown;


import java.util.ArrayList;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.block.Action;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.plugin.java.JavaPlugin;

public class TeleportCauseListener extends JavaPlugin implements Listener {

	 ArrayList<Player> cooldown = new ArrayList<Player>();


		@Override
		public final void onEnable() {
			getLogger().info(ChatColor.GREEN + "Enderpearl cooldown habilitado");
			Bukkit.getServer().getPluginManager().registerEvents(this, this);
			try
			{
				this.getConfig().options().copyDefaults(true);
				this.saveDefaultConfig();
			}
			    catch (NullPointerException ex)
			    {
			      getLogger().warning("Não foi possível carregar 'config.yml' ; (");
			      getLogger()
			        .warning("Reinstale ou recarregue o plugin!");
			      getServer().getPluginManager().disablePlugin(this);
			}
		}

	  @EventHandler
	  public final void onPlayerInteractEnderpearl(PlayerInteractEvent e) {

		   final Player p = e.getPlayer();

			   if (!(e.getAction() == Action.RIGHT_CLICK_AIR));

			   if (!(e.getItem().getType() == Material.ENDER_PEARL));
			   {
			   if (cooldown.contains(p)) {
				   e.setCancelled(true);
				   p.sendMessage(this.getConfig().getString("EmCooldown").replaceAll("&", "§"));

				   return;
			   }
			   cooldown.add(p);

			   }
				  Bukkit.getServer().getScheduler().scheduleSyncDelayedTask(this, new Runnable() {
					  @Override
					  public void run() {
						  cooldown.remove(p);

						  }
					  }, getConfig().getLong("Cooldown"));


				  }

			  }