Java tutorial
/* * Copyright 2015-2017 Austin Keener & Michael Ritter & Florian Spie * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package net.dv8tion.jda.core.handle; import net.dv8tion.jda.core.entities.Member; import net.dv8tion.jda.core.entities.Role; import net.dv8tion.jda.core.entities.impl.GuildImpl; import net.dv8tion.jda.core.entities.impl.JDAImpl; import net.dv8tion.jda.core.entities.impl.MemberImpl; import net.dv8tion.jda.core.events.role.RoleDeleteEvent; import org.json.JSONObject; public class GuildRoleDeleteHandler extends SocketHandler { public GuildRoleDeleteHandler(JDAImpl api) { super(api); } @Override protected Long handleInternally(JSONObject content) { final long guildId = content.getLong("guild_id"); if (api.getGuildLock().isLocked(guildId)) return guildId; GuildImpl guild = (GuildImpl) api.getGuildMap().get(guildId); if (guild == null) { api.getEventCache().cache(EventCache.Type.GUILD, guildId, () -> handle(responseNumber, allContent)); EventCache.LOG.debug("GUILD_ROLE_DELETE was received for a Guild that is not yet cached: " + content); return null; } final long roleId = content.getLong("role_id"); Role removedRole = guild.getRolesMap().remove(roleId); if (removedRole == null) { api.getEventCache().cache(EventCache.Type.ROLE, roleId, () -> handle(responseNumber, allContent)); EventCache.LOG.debug("GUILD_ROLE_DELETE was received for a Role that is not yet cached: " + content); return null; } //Now that the role is removed from the Guild, remove it from all users. for (Member m : guild.getMembersMap().valueCollection()) { MemberImpl member = (MemberImpl) m; member.getRoleSet().remove(removedRole); } api.getEventManager().handle(new RoleDeleteEvent(api, responseNumber, removedRole)); return null; } }