adventure-plib-chat-filter.java

/**
 * Copyright (C) 2016 Max Lee (https://github.com/Phoenix616/)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

        protocolManager = ProtocolLibrary.getProtocolManager();

        protocolManager.addPacketListener(
                new PacketAdapter(plugin, priority, PacketType.Play.Server.CHAT) {
                    public void onPacketSending(PacketEvent event) {
                        if (isServerSpigot()) {
                            for (int i = 0; i < event.getPacket().getModifier().size(); i++) {
                                Object modifier = event.getPacket().getModifier().read(i);
                                if (hasAdventure && modifier instanceof Component) {
                                    String json = GsonComponentSerializer.gson().serialize((Component) modifier);
                                    json = getReplacedJson(event.getPlayer(), json);
                                    if (json != null) {
                                        try {
                                            Component component = GsonComponentSerializer.gson().deserialize(json);
                                            event.getPacket().getModifier().write(i, component);
                                        } catch (JsonParseException e) {
                                            for(int j = 0; j < event.getPacket().getChatComponents().size(); j++) {
                                                event.getPacket().getChatComponents().write(j, WrappedChatComponent.fromJson(json));
                                            }
                                        }
                                    }
                                } else if (modifier instanceof BaseComponent[]) {
                                    String json = toJson((BaseComponent[]) modifier);
                                    json = getReplacedJson(event.getPlayer(), json);
                                    if (json != null) {
                                        BaseComponent[] components = parseJson(json);
                                        event.getPacket().getModifier().write(i, components);
                                        if (components == null) {
                                            for(int j = 0; j < event.getPacket().getChatComponents().size(); j++) {
                                                event.getPacket().getChatComponents().write(j, WrappedChatComponent.fromJson(json));
                                            }
                                        }
                                    }
                                }
                            }
                        }
                        for(int i = 0; i < event.getPacket().getChatComponents().size(); i++) {
                            WrappedChatComponent chatComponent = event.getPacket().getChatComponents().read(i);
                            if(chatComponent == null)
                                continue;

                            try {
                                chatComponent = replaceInComponent(event.getPlayer(), chatComponent);
                                if (chatComponent != null) {
                                    event.getPacket().getChatComponents().write(i, chatComponent);
                                }
                            } catch (Exception e) {
                                plugin.getLogger().log(Level.SEVERE, "Error while trying to set component! " + (chatComponent != null ? " Json: " +  chatComponent.getJson() : ""), e);
                            }
                        }
                    }
                }
        );