Event

package diamondrop;
import org.bukkit.Material;
import org.bukkit.block.Chest;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.block.Action;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.event.player.PlayerMoveEvent;
import org.bukkit.event.Listener;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;


public class Event implements Listener {

    @EventHandler(priority = EventPriority.HIGH)
    private void onPlayerMove(PlayerMoveEvent evt) {
     Player player = evt.getPlayer();
     Inventory inv = evt.getPlayer().getInventory();

     int qtt = 0; //quantidade de diamantes

     for (ItemStack itemstack : inv.getContents()){

      if (itemstack != null){

          if (itemstack.getTypeId() == 57){//57 = id do bloco de diamante

           qtt += itemstack.getAmount();
          }
      }
     }

     if (qtt >= 64){
      if (player.hasPermission("NoShit.remove")){

      }
      else{
   removerDiamantes(inv);
      evt.getPlayer().sendMessage("You not are allowed to have 32 diamond blocks");
      }
     }
    }

    public void removerDiamantes(Inventory inv){

  for (ItemStack is : inv.getContents()){

   if (is != null){

          if (is.getTypeId() == 57){//57 = id do bloco de diamante

           inv.remove(is);
          }
      }
  }
 }

    @EventHandler
    public void onPlayerInteract(PlayerInteractEvent event) {
    	Player player = event.getPlayer();

        if(event.getAction() == Action.RIGHT_CLICK_BLOCK) {
            if(event.getClickedBlock().getType() == Material.CHEST) {
                Chest chest = ((Chest) event.getClickedBlock().getState());
                Inventory inventory = chest.getInventory();

                int qtt = 0;

                for (ItemStack itemstack : inventory.getContents()){

                 if (itemstack != null){

                  if (itemstack.getTypeId() == 57){//57 = id do bloco de diamante

                   qtt += itemstack.getAmount();
                  }
              }
                }

                if (qtt >= 32){
                    if (player.hasPermission("NoShit.remove")){

                    }
                    else{
                 removerDiamantes(inventory);
                    event.getPlayer().sendMessage("You not are allowed to have 32 diamond blocks");
                    }
             }

            }
        }
    }
}