Java tutorial
/* * The MIT License * * Copyright 2014 Wil. * * 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 org.fragzone.unrealmmo.bukkit.entities.npcs; import java.net.URL; import java.net.URLConnection; import java.util.Collection; import java.util.Map.Entry; import java.util.Scanner; import java.util.UUID; import java.util.logging.Level; import org.bukkit.Bukkit; import org.json.simple.JSONArray; import org.json.simple.JSONObject; import org.json.simple.parser.JSONParser; import com.google.common.base.Charsets; import net.minecraft.util.com.mojang.authlib.GameProfile; import net.minecraft.util.com.mojang.authlib.properties.Property; import net.minecraft.util.org.apache.commons.lang3.StringUtils; import net.minecraft.util.org.apache.commons.lang3.builder.ToStringBuilder; /** * NPCProfile represents GameProfile in a more easy-to-use way. * You may want to construct this in async tasks. * * @author Wil, lenis0012 */ public class NPCProfile extends GameProfile { private UUID uuid; private String name; public NPCProfile() { super(UUID.randomUUID(), "internal"); } /** * Create NPCProfile based on game profile * * @param profile Mojang's game profile */ public NPCProfile(GameProfile profile) { this(); this.uuid = profile.getId(); this.name = profile.getName(); for (Entry<String, Collection<Property>> entry : profile.getProperties().asMap().entrySet()) { profile.getProperties().putAll(entry.getKey(), entry.getValue()); } } /** * Create a NPCProfile based on name. * Note: this will allways have a steve skin. * * @param name Name of steve npc. */ public NPCProfile(String name) { this(); this.uuid = UUID.nameUUIDFromBytes(("OfflinePlayer:" + name).getBytes(Charsets.UTF_8)); this.name = name; } /** * Create a NPCProfile based on name and skin. * * @param name Name of npc. * @param skinOwner Name of skin owner the npc will use. */ public NPCProfile(final String name, final String skinOwner) { this(name, parseUUID(getUUID(name)), skinOwner); } /** * Create NPCProfile based on name and UUID. * Note: The skin and name will be based on the uuid passed in. * * @param name Name of the npc * @param uuid UUID of the npc name. */ public NPCProfile(String name, UUID uuid) { this(name, uuid, uuid); } /** * Created NPCProfle based on name, uuid and skin owner name. * * @param name Name of npc. * @param uuid UUID of the npc name. * @param skinOwner Name of skin owner the npc will use. */ public NPCProfile(final String name, final UUID uuid, final String skinOwner) { this(name, uuid, parseUUID(getUUID(skinOwner))); } /** * Create NPCProfile based on name, uuid and skin uuid. * * @param name Name of npc. * @param uuid UUID of the npc name. * @param skinUUID UUID of the name from the skin the npc will use. */ public NPCProfile(final String name, final UUID uuid, final UUID skinUUID) { this(); this.uuid = uuid; this.name = name; addProperties(this, skinUUID); } @Override public UUID getId() { return uuid; } @Override public String getName() { return name; } @Override public boolean isComplete() { return (uuid != null) && (StringUtils.isNotBlank(getName())); } @Override public boolean equals(Object o) { if (this == o) { return true; } if (!(o instanceof GameProfile)) { return false; } GameProfile that = (GameProfile) o; if (uuid != null ? !uuid.equals(that.getId()) : that.getId() != null) { return false; } if (name != null ? !name.equals(that.getName()) : that.getName() != null) { return false; } return true; } @Override public int hashCode() { int result = uuid != null ? uuid.hashCode() : 0; result = 31 * result + (name != null ? name.hashCode() : 0); return result; } public String toString() { return new ToStringBuilder(this).append("id", uuid).append("name", name) .append("properties", getProperties()).append("legacy", isLegacy()).toString(); } private static void addProperties(GameProfile profile, UUID id) { String uuid = id.toString().replaceAll("-", ""); try { // Get the name from SwordPVP URL url = new URL("https://sessionserver.mojang.com/session/minecraft/profile/" + uuid); URLConnection uc = url.openConnection(); uc.setUseCaches(false); uc.setDefaultUseCaches(false); uc.addRequestProperty("User-Agent", "Mozilla/5.0"); uc.addRequestProperty("Cache-Control", "no-cache, no-store, must-revalidate"); uc.addRequestProperty("Pragma", "no-cache"); // Parse it Scanner scanner = new Scanner(uc.getInputStream(), "UTF-8"); String json = scanner.useDelimiter("\\A").next(); scanner.close(); JSONParser parser = new JSONParser(); Object obj = parser.parse(json); JSONArray properties = (JSONArray) ((JSONObject) obj).get("properties"); for (int i = 0; i < properties.size(); i++) { try { JSONObject property = (JSONObject) properties.get(i); String name = (String) property.get("name"); String value = (String) property.get("value"); String signature = property.containsKey("signature") ? (String) property.get("signature") : null; if (signature != null) { profile.getProperties().put(name, new Property(name, value, signature)); } else { profile.getProperties().put(name, new Property(value, name)); } } catch (Exception e) { Bukkit.getLogger().log(Level.WARNING, "Failed to apply auth property", e); } } } catch (Exception e) { e.printStackTrace(); } } @SuppressWarnings("deprecation") private static String getUUID(String name) { return Bukkit.getOfflinePlayer(name).getUniqueId().toString().replaceAll("-", ""); } private static UUID parseUUID(String uuidStr) { // Split uuid in to 5 components String[] uuidComponents = new String[] { uuidStr.substring(0, 8), uuidStr.substring(8, 12), uuidStr.substring(12, 16), uuidStr.substring(16, 20), uuidStr.substring(20, uuidStr.length()) }; // Combine components with a dash StringBuilder builder = new StringBuilder(); for (String component : uuidComponents) { builder.append(component).append('-'); } // Correct uuid length, remove last dash builder.setLength(builder.length() - 1); return UUID.fromString(builder.toString()); } }