loginListener.java

package me.Zaros.LogGift;

//--------------------------------------//
//           Code by Zaros104               //
//  Free to edit, make sure to credit!  //
//--------------------------------------//

import org.bukkit.entity.Player;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerLoginEvent;
import org.bukkit.inventory.ItemStack;

public class loginListener implements Listener {

    public void onPlayerLogin(PlayerLoginEvent e){
        Player player = e.getPlayer();
        //randomized variables for the itemStack
        int quantity = (int) Math.random() * 64;
        int item = (int) Math.random() * 383;
        //Array Sizes
        int sizeBlock = 38;
        int sizeItem = 2;

        //Arrays containing (usually) banned items
        int[] exceptionBlock = {0, 7, 8, 9, 10, 11, 14, 15, 16, 21, 34, 36, 51, 52, 55,
                            56, 59, 60, 62, 63, 64, 68, 71, 75, 76, 90, 93, 94, 95,
                            97, 99, 100, 104, 105, 115, 117, 118, 119, 120};

        int[] exceptionItem = { 326, 327, 383 };

        //Check for non-allowed blocks
        for(int i = 0; i < sizeBlock; i++){
            if (exceptionBlock[i] == item){
                item = (int) Math.random() * 383;
            }
        }

        for(int i = 0; i < sizeItem; i++){
            if (exceptionItem[i] == item){
                quantity = (int) Math.random() * 64;
            }
        }

        //Do the dirty work
        ItemStack newItem = new ItemStack(item, quantity);
        player.getInventory().addItem(newItem);
    }
}