Development Assistance Plz EnderMage code

its my code to give items

Code:

package me.jokillerpt.KitPvp;

import java.util.HashMap;
import java.util.Map.Entry;

import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.enchantments.Enchantment;
import org.bukkit.entity.Player;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.PlayerInventory;
import org.bukkit.inventory.meta.ItemMeta;

public class Kit {
   
    public static HashMap<String, KitType> kitpvp = new HashMap<>();
   
    public static boolean hasKit(Player p, KitType kit) {
        if (kitpvp.containsKey(p.getName())) {
            for (Entry<String, KitType> i : kitpvp.entrySet()) {
                if (i.getKey() == p.getName() && i.getValue() == kit)
                    return true;
            }
            return false;
           
        } else
            return false;
    }
   
    public static boolean hasKit(Player p) {
        return kitpvp.containsKey(p.getName());
    }
   
    public static void getKit(Player p, KitType kit) {
        PlayerInventory inv = p.getInventory();
        PlayerInventory pi = p.getInventory();
        inv.clear();
        switch (kit) {
        case ARCHER:
            ItemStack archerchest = new ItemStack(Material.LEATHER_CHESTPLATE);
            archerchest.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack archerleg = new ItemStack(Material.LEATHER_LEGGINGS);
            archerleg.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack archerboot = new ItemStack(Material.LEATHER_BOOTS);
            archerboot.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack archerhelmet = new ItemStack(Material.LEATHER_HELMET);
            archerhelmet.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack archer_sword = new ItemStack(Material.STONE_SWORD);
            archer_sword.addEnchantment(Enchantment.DAMAGE_ALL, 2);
            ItemStack archer_bow = new ItemStack(Material.BOW);
            archer_bow.addEnchantment(Enchantment.ARROW_DAMAGE, 2);
            ItemStack archer_arrows = new ItemStack(Material.ARROW, 64);
            pi.setHelmet(archerhelmet);
            pi.setChestplate(archerchest);
            pi.setLeggings(archerleg);
            pi.setBoots(archerboot);
            pi.addItem(archer_sword);
            pi.addItem(archer_bow);
            pi.addItem(archer_arrows);
            break;
        case PVP:
            ItemStack pvpchest = new ItemStack(Material.IRON_CHESTPLATE);
            ItemStack pvpleg = new ItemStack(Material.IRON_LEGGINGS);
            ItemStack pvpboot = new ItemStack(Material.IRON_BOOTS);
            ItemStack pvphelmet = new ItemStack(Material.IRON_HELMET);
            ItemStack pvp_sword = new ItemStack(Material.DIAMOND_SWORD);
            pi.setHelmet(pvphelmet);
            pi.setChestplate(pvpchest);
            pi.setLeggings(pvpleg);
            pi.setBoots(pvpboot);
            pi.addItem(pvp_sword);
            break;
        case STOMPER:
            ItemStack stomperchest = new ItemStack(Material.LEATHER_CHESTPLATE);
            stomperchest.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack stomperleg = new ItemStack(Material.LEATHER_LEGGINGS);
            stomperleg.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack stomperboot = new ItemStack(Material.LEATHER_BOOTS);
            stomperboot.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack stomperhelmet = new ItemStack(Material.LEATHER_HELMET);
            stomperhelmet.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack stomper_sword = new ItemStack(Material.IRON_SWORD);
            pi.setHelmet(stomperhelmet);
            pi.setChestplate(stomperchest);
            pi.setLeggings(stomperleg);
            pi.setBoots(stomperboot);
            pi.addItem(stomper_sword);
            break;
        case CAMEL:
            ItemStack camelchest = new ItemStack(Material.LEATHER_CHESTPLATE);
            camelchest.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack camelleg = new ItemStack(Material.LEATHER_LEGGINGS);
            camelleg.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack camelboot = new ItemStack(Material.LEATHER_BOOTS);
            camelboot.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack camelhelmet = new ItemStack(Material.LEATHER_HELMET);
            camelhelmet.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack camel_sword = new ItemStack(Material.IRON_SWORD);
            pi.setHelmet(camelhelmet);
            pi.setChestplate(camelchest);
            pi.setLeggings(camelleg);
            pi.setBoots(camelboot);
            pi.addItem(camel_sword);
            break;
        case VIPER:
            ItemStack viperbowl = new ItemStack(Material.BOWL, 64);
            ItemStack vipermushroom_red = new ItemStack(Material.RED_MUSHROOM, 64);
            ItemStack vipermushroom_brown = new ItemStack(Material.BROWN_MUSHROOM, 64);
            ItemStack viperchest = new ItemStack(Material.LEATHER_CHESTPLATE);
            viperchest.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack viperleg = new ItemStack(Material.LEATHER_LEGGINGS);
            viperleg.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack viperboot = new ItemStack(Material.LEATHER_BOOTS);
            viperboot.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack viperhelmet = new ItemStack(Material.LEATHER_HELMET);
            viperhelmet.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack viper_sword = new ItemStack(Material.STONE_SWORD);
            pi.setHelmet(viperhelmet);
            pi.setChestplate(viperchest);
            pi.setLeggings(viperleg);
            pi.setBoots(viperboot);
            pi.addItem(viper_sword);
            pi.addItem(viperbowl);
            pi.addItem(vipermushroom_brown);
            pi.addItem(vipermushroom_red);
            break;
        case FIREMAN:
            ItemStack firemanchest = new ItemStack(Material.LEATHER_CHESTPLATE);
            firemanchest.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack firemanleg = new ItemStack(Material.LEATHER_LEGGINGS);
            firemanleg.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack firemanboot = new ItemStack(Material.LEATHER_BOOTS);
            firemanboot.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack firemanhelmet = new ItemStack(Material.LEATHER_HELMET);
            firemanhelmet.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack fireman_sword = new ItemStack(Material.STONE_SWORD);
            pi.setHelmet(firemanhelmet);
            pi.setChestplate(firemanchest);
            pi.setLeggings(firemanleg);
            pi.setBoots(firemanboot);
            pi.addItem(fireman_sword);
            break;
        case ENDERMAGE:
            ItemStack enderchest = new ItemStack(Material.LEATHER_CHESTPLATE);
            enderchest.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack enderleg = new ItemStack(Material.LEATHER_LEGGINGS);
            enderleg.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack enderboot = new ItemStack(Material.LEATHER_BOOTS);
            enderboot.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack enderhelmet = new ItemStack(Material.LEATHER_HELMET);
            enderhelmet.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack ender_sword = new ItemStack(Material.STONE_SWORD);
            ItemStack ender_portal = new ItemStack(Material.ENDER_PORTAL_FRAME);
            pi.setHelmet(enderhelmet);
            pi.setChestplate(enderchest);
            pi.setLeggings(enderleg);
            pi.setBoots(enderboot);
            pi.addItem(ender_sword);
            pi.addItem(ender_portal);
            ItemMeta meta = ender_portal.getItemMeta();
             meta.setDisplayName(ChatColor.GOLD + "Teleporter");
             ender_portal.setItemMeta(meta);
            break;
        case FISHERMAN:
            ItemStack fisherchest = new ItemStack(Material.LEATHER_CHESTPLATE);
            fisherchest.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack fisherleg = new ItemStack(Material.LEATHER_LEGGINGS);
            fisherleg.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack fisherboot = new ItemStack(Material.LEATHER_BOOTS);
            fisherboot.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack fisherhelmet = new ItemStack(Material.LEATHER_HELMET);
            fisherhelmet.addEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 1);
            ItemStack fisher_sword = new ItemStack(Material.STONE_SWORD);
            ItemStack fisher = new ItemStack(Material.FISHING_ROD);
            pi.setHelmet(fisherhelmet);
            pi.setChestplate(fisherchest);
            pi.setLeggings(fisherleg);
            pi.setBoots(fisherboot);
            pi.addItem(fisher_sword);
            pi.addItem(fisher);
            break;
        default:
            break;
           
        }
       
        for (ItemStack i: inv.getContents()) {
            if (i == null)
                add(inv, item(Material.MUSHROOM_SOUP,1,"§6Soup"));
        }
    }
   
    private static void add(Inventory inv, ItemStack i) {
        inv.addItem(i);
    }
   
    private static ItemStack item(Material i, int q, String n) {
        ItemStack item = new ItemStack(i, q);
        ItemMeta meta = item.getItemMeta();
        meta.setDisplayName(n);
        item.setItemMeta(meta);
        return item;
    }
}

plz ender mage code in other class

 

i'm wanting a endermage of code because I'm not managing to do

 

it has a portal frame if you have a player under him teleport it to this player and have a coldown 20 seconds and within the bed rock to heaven a square 3 of 3