Java tutorial
/* * Project: UHC * Class: gg.uhc.uhc.modules.recipes.NotchApplesModule * * The MIT License (MIT) * * Copyright (c) 2015 Graham Howden <graham_howden1 at yahoo.co.uk>. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package gg.uhc.uhc.modules.recipes; import gg.uhc.uhc.modules.DisableableModule; import gg.uhc.uhc.modules.ModuleRegistry; import com.google.common.base.Predicate; import com.google.common.collect.Iterators; import org.bukkit.Bukkit; import org.bukkit.Material; import org.bukkit.event.Listener; import org.bukkit.inventory.ItemStack; import org.bukkit.inventory.Recipe; import org.bukkit.inventory.ShapedRecipe; public class NotchApplesModule extends DisableableModule implements Listener { protected static final short NOTCH_APPLE_DURABILITY = 1; protected static final ItemStack NOTCH_APPLE_ITEM = new ItemStack(Material.GOLDEN_APPLE, 1, NOTCH_APPLE_DURABILITY); protected static final ShapedRecipe NOTCH_APPLE_RECIPE = new ShapedRecipe(NOTCH_APPLE_ITEM) .shape("GGG", "GAG", "GGG").setIngredient('G', Material.GOLD_BLOCK).setIngredient('A', Material.APPLE); protected static final Predicate<Recipe> IS_NOTCH_APPLE_RECIPE = new Predicate<Recipe>() { @Override public boolean apply(Recipe recipe) { return recipe.getResult().equals(NOTCH_APPLE_ITEM); } }; protected static final String ICON_NAME = "Notch apples"; public NotchApplesModule() { setId("NotchApples"); this.iconName = ICON_NAME; this.icon.setType(Material.GOLDEN_APPLE); this.icon.setDurability(NOTCH_APPLE_DURABILITY); this.icon.setWeight(ModuleRegistry.CATEGORY_RECIPIES); } @Override protected void onEnable() { final boolean recipeExists = Iterators.any(Bukkit.recipeIterator(), IS_NOTCH_APPLE_RECIPE); if (!recipeExists) Bukkit.addRecipe(NOTCH_APPLE_RECIPE); } @Override protected void onDisable() { Iterators.removeIf(Bukkit.recipeIterator(), IS_NOTCH_APPLE_RECIPE); } @Override protected boolean isEnabledByDefault() { return false; } }