plugin file + eventhandler

package me.bukkit.teluguboy.randomgiveaway.commands;

import me.bukkit.teluguboy.randomgiveaway.inventory.Custominventory;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.inventory.InventoryClickEvent;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;

public class Randomgiveaway implements CommandExecutor, Listener {


    public static boolean wait = true;

    @EventHandler
    public static void inventoryClickEvent(InventoryClickEvent event) {
    Player randomPlayer = Bukkit.getOnlinePlayers().iterator().next();
    ItemStack clicked = event.getCurrentItem();
    Inventory inventory = event.getInventory();
    if (inventory.getName().equals(Custominventory.randomgiveaway.getName())) {
    if (clicked.getType() == Material.TRIPWIRE_HOOK && (Custominventory.customItem().getItemMeta().getDisplayName() == (ChatColor.GRAY.toString() + ChatColor.BOLD + "Common Crate Key"))) {
    event.setCancelled(true);
    Custominventory.randomgiveaway.setItem(8, Custominventory.commonGreenWool());
    Bukkit.getServer().dispatchCommand(Bukkit.getConsoleSender(), "cc give physical common 1" + randomPlayer);
    Randomgiveaway.wait = true;
            }
    else if (clicked.getType() == Material.TRIPWIRE_HOOK && (Custominventory.customItem().getItemMeta().getDisplayName() == (ChatColor.AQUA.toString() + ChatColor.BOLD + "Uncommon Crate Key"))) {
        event.setCancelled(true);
        Custominventory.randomgiveaway.setItem(8, Custominventory.uncommonGreenWool());
        Bukkit.getServer().dispatchCommand(Bukkit.getConsoleSender(), "cc give physical uncommon 1" + randomPlayer);
        Randomgiveaway.wait = true;
            }
        }
    }

    public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args){
            if (!(sender instanceof Player)) {
                sender.sendMessage(ChatColor.RED + "Only players can run this command!");
                return false;
            }

            if (!(args.length==0)){
                sender.sendMessage(ChatColor.RED + "You can't have any extra arguments!");
                return false;
            }

            if (cmd.getName().equalsIgnoreCase("randomgiveaway")) {
                Player openSender = (Player) sender;
                openSender.openInventory(Custominventory.randomgiveaway);
                String playerChosen = Bukkit.getOnlinePlayers().iterator().next().getName();
                for (wait = true; wait = false; ) {
                Bukkit.broadcastMessage(ChatColor.GRAY + "[" + ChatColor.RED + "RandomGiveaway" + ChatColor.GRAY + "] " + ChatColor.GREEN + playerChosen.toString() + " has gotten a key!");
                return true;

                }
            }
        return true;
    }

}