SchutzSchild

@EventHandler
public void onPlayerInteract(PlayerInteractEvent e){
	Player p = e.getPlayer();
	if(e.getAction() == Action.RIGHT_CLICK_AIR || e.getAction() == Action.RIGHT_CLICK_BLOCK){
		if(e.getItem().getType() == Material.EYE_OF_ENDER){
			e.setCancelled(true);
			if(p.isSneaking()){
		        	if(!p.hasPermission("dirk.shield")){
		               		p.sendMessage("§4Keine Permissions!");
		                    	return;
		            	}
		            	e.setCancelled(true);
		            	p.getWorld().playEffect(p.getLocation(), Effect.ENDER_SIGNAL, 5);
		            	for (Entity ent : p.getNearbyEntities(3.0D, 3.0D, 3.0D)){
		            		if(ent instanceof Player){
		            			if(!((Player) ent).hasPermission("dirk.shield")){
		            			ent.setVelocity(ent.getLocation().getDirection().multiply(-1.7D).setY(0.7D));
		            			}
		            		}
			    	}
			}
		}
	}
}