My Chemist Listener

package me.saitekpvp.listeners;

import java.util.ArrayList;

import me.saitekclasses.saitek;

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;

public class NewChemistListener implements Listener {
    /*
     *
     * ============================================
     *
     *
     * IT WORKED! NOW FIGURE OUT HOW TO MAKE THE COOLDOWN
     * TIME WAIT A CERTAIN AMOUNT OF SECONDS BEFORE ADDING
     * THEM INTO THE COOLDOWNLIST.
     *  also, change the message for cool-down times!
     *
     * ============================================
     *
     *
     *
     */

    @EventHandler
    public void onRightClickAir(PlayerInteractEvent e) {
        final Player user = (Player) e.getPlayer();
        ArrayList<Player> list = saitek.chemistlist;
        if (list.contains(user)) {
            if (user.getItemInHand().getType() == Material.BLAZE_ROD) {
                if (e.getAction() == Action.RIGHT_CLICK_AIR) {
                        if (!user.hasPermission(saitek.bypass)) {
                            if (saitek.eventCounter.get(user) == null) {
                                saitek.eventCounter.put(user, 1);
                            }
                            //Then I'd like to add 1 to the value of "user" in saitek.eventCounter.
                    }
                }
            }
        }
    }
}