Updated AntiLava

    @EventHandler
    public void onPlayerInteract(PlayerInteractEvent e){
        if(e.getAction() == Action.RIGHT_CLICK_BLOCK && ( e.getMaterial() == Material.LAVA_BUCKET || e.getMaterial() == Material.WATER_BUCKET)){
            Block b = e.getClickedBlock().getRelative(e.getBlockFace());
            for (BlockFace face : faces) {
                if ((e.getMaterial() == Material.WATER_BUCKET && (b.getRelative(face).getType() == Material.STATIONARY_LAVA || b.getRelative(face).getType() == Material.LAVA))
                        || (e.getMaterial() == Material.LAVA_BUCKET
                                && (b.getRelative(face).getType() == Material.STATIONARY_WATER || b.getRelative(face).getType() == Material.WATER))) {
                    b.getRelative(face).setType(Material.AIR);
                }
            }
        }
    }