My code/still in progress

package me.calebbfmv.ChestLock;


import java.util.logging.Logger;

import org.bukkit.permissions.Permission;
import org.bukkit.plugin.PluginDescriptionFile;
import org.bukkit.plugin.PluginManager;
import org.bukkit.plugin.java.JavaPlugin;

public class ChestLock extends JavaPlugin {

	public PlayerListener playerListener = new PlayerListener();
	public Logger log = Logger.getLogger("Minecraft");
    public Permission openPermission = new Permission("chestlock.open");
    public Permission allowPermission = new Permission ("chestlock.allow");


    public void onDisbale() {
    	PluginDescriptionFile pdffile = this.getDescription();
    	log.info(pdffile.getName() + " " + pdffile.getVersion() + " is now disabled.");

    }

    @Override
    public void onEnable() {
    	PluginDescriptionFile pdffile = this.getDescription();
    	log.info(pdffile.getName() + " " + pdffile.getVersion() + " is now enabled.");
    	PluginManager pm = getServer().getPluginManager();
    	pm.addPermission(openPermission);
    	pm.addPermission(allowPermission);
    	pm.registerEvents(this.playerListener, this);
    }

}
PlayerListener Class:
package me.calebbfmv.ChestLock;


import java.util.logging.Logger;

import org.bukkit.ChatColor;
import org.bukkit.Location;
import org.bukkit.block.Block;
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 PlayerListener implements Listener {


	public ChestLock plugin;
	public Logger log = Logger.getLogger("Minecraft");

	@EventHandler
	public void onPlayerInteract(PlayerInteractEvent event) {
		if(event.getAction()==Action.RIGHT_CLICK_BLOCK ||event.getAction()==Action.LEFT_CLICK_BLOCK) {
		Player p = event.getPlayer();
		Block block = event.getClickedBlock();

		Location blockAboveLocation = block.getLocation().add(0, 1, 0);
		Block blockAbove = blockAboveLocation.getBlock();

		if(block.getTypeId() == 54|| blockAbove.getTypeId() == 54) {{
			if(!p.hasPermission("chestlock.open")) {
				p.sendMessage(ChatColor.BLUE + "You are not allowed to open this.");
				event.setCancelled(true);
			if(p.hasPermission("chestlock.allow")) {
				p.sendMessage(ChatColor.GOLD + "You have granted <player> to open your chests");
			}
			}
		}
	}
		}
	}
}