/* * Copyright (C) 2019 GeorgH93 * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ package at.pcgamingfreaks.Minepacks.Bukkit.API; import org.bukkit.entity.Player; import org.bukkit.inventory.ItemStack; import org.jetbrains.annotations.Contract; import org.jetbrains.annotations.NotNull; import org.jetbrains.annotations.Nullable; @SuppressWarnings("unused") public interface ItemFilter { /** * @param item The item that should be checked. * @return True if the item is not allowed. False if the item is allowed. */ @Contract("null->false") boolean isItemBlocked(@Nullable ItemStack item); /** * @param player The player that should receive the message that the item is not allowed. * @param itemStack The item that is not allowed. Will be used for the name. */ void sendNotAllowedMessage(@NotNull Player player, @NotNull ItemStack itemStack); /** * @param player The player that should receive the message if the item is not allowed. * @param itemStack The item that should be checked. * @return True if the item is not allowed. False if the item is allowed. */ default boolean checkIsBlockedAndShowMessage(@NotNull Player player, @Nullable ItemStack itemStack) { if(isItemBlocked(itemStack)) { sendNotAllowedMessage(player, itemStack); return true; } return false; } }