Java tutorial
/* * Copyright (c) 2016 Lucko (Luck) <luck@lucko.me> * * 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 me.lucko.luckperms.common.storage.backing.utils; import lombok.AllArgsConstructor; import lombok.EqualsAndHashCode; import lombok.Getter; import lombok.ToString; import com.google.common.collect.HashMultimap; import com.google.common.collect.Multimap; import com.google.gson.Gson; import com.google.gson.reflect.TypeToken; import me.lucko.luckperms.api.Node; import me.lucko.luckperms.common.core.NodeBuilder; import java.lang.reflect.Type; import java.util.Collection; import java.util.Map; @Getter @ToString @EqualsAndHashCode @AllArgsConstructor(staticName = "of") public class NodeDataHolder { private static final Gson GSON = new Gson(); private static final Type CONTEXT_TYPE = new TypeToken<Map<String, Collection<String>>>() { }.getType(); public static NodeDataHolder fromNode(Node node) { return NodeDataHolder.of(node.getPermission(), node.getValue(), node.getServer().orElse("global"), node.getWorld().orElse("global"), node.isTemporary() ? node.getExpiryUnixTime() : 0L, node.getContexts().toMultimap()); } public static NodeDataHolder of(String permission, boolean value, String server, String world, long expiry, String contexts) { Map<String, Collection<String>> deserializedContexts = GSON.fromJson(contexts, CONTEXT_TYPE); Multimap<String, String> map = HashMultimap.create(); for (Map.Entry<String, Collection<String>> e : deserializedContexts.entrySet()) { map.putAll(e.getKey(), e.getValue()); } return new NodeDataHolder(permission, value, server, world, expiry, map); } private final String permission; private final boolean value; private final String server; private final String world; private final long expiry; private final Multimap<String, String> contexts; public String serialiseContext() { return GSON.toJson(getContexts().asMap()); } public Node toNode() { NodeBuilder builder = new NodeBuilder(permission); builder.setValue(value); builder.setServer(server); builder.setWorld(world); builder.setExpiry(expiry); for (Map.Entry<String, String> e : contexts.entries()) { builder.withExtraContext(e); } return builder.build(); } }