mirror of
https://github.com/EngineHub/WorldGuard.git
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287 lines
10 KiB
Java
287 lines
10 KiB
Java
/*
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* WorldGuard, a suite of tools for Minecraft
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* Copyright (C) sk89q <http://www.sk89q.com>
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* Copyright (C) WorldGuard team and contributors
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.sk89q.worldguard.blacklist;
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import com.sk89q.worldedit.util.formatting.ColorCodeBuilder;
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import com.sk89q.worldedit.util.formatting.Style;
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import com.sk89q.worldedit.util.formatting.StyledFragment;
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import com.sk89q.worldguard.WorldGuard;
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import com.sk89q.worldguard.blacklist.action.Action;
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import com.sk89q.worldguard.blacklist.action.ActionType;
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import com.sk89q.worldguard.blacklist.event.BlacklistEvent;
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import com.sk89q.worldguard.blacklist.event.EventType;
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import com.sk89q.worldguard.blacklist.target.TargetMatcher;
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import com.sk89q.worldguard.blacklist.target.TargetMatcherParseException;
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import com.sk89q.worldguard.blacklist.target.TargetMatcherParser;
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import com.google.common.cache.CacheBuilder;
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import com.google.common.cache.CacheLoader;
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import com.google.common.cache.LoadingCache;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileReader;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.concurrent.TimeUnit;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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public class Blacklist {
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private static final Logger log = Logger.getLogger(Blacklist.class.getCanonicalName());
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private MatcherIndex index = MatcherIndex.getEmptyInstance();
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private final BlacklistLoggerHandler blacklistLogger = new BlacklistLoggerHandler();
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private BlacklistEvent lastEvent;
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private boolean useAsWhitelist;
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private LoadingCache<String, TrackedEvent> repeatingEventCache = CacheBuilder.newBuilder()
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.maximumSize(1000)
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.expireAfterAccess(30, TimeUnit.SECONDS)
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.build(new CacheLoader<String, TrackedEvent>() {
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@Override
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public TrackedEvent load(String s) throws Exception {
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return new TrackedEvent();
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}
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});
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public Blacklist(boolean useAsWhitelist) {
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this.useAsWhitelist = useAsWhitelist;
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}
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/**
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* Returns whether the list is empty.
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*
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* @return whether the blacklist is empty
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*/
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public boolean isEmpty() {
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return index.isEmpty();
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}
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/**
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* Get the number of individual items that have blacklist entries.
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*
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* @return The number of items in the blacklist
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*/
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public int getItemCount() {
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return index.size();
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}
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/**
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* Returns whether the blacklist is used as a whitelist.
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*
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* @return whether the blacklist is be used as a whitelist
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*/
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public boolean isWhitelist() {
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return useAsWhitelist;
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}
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/**
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* Get the log.
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*
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* @return The logger used in this blacklist
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*/
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public BlacklistLoggerHandler getLogger() {
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return blacklistLogger;
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}
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/**
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* Method to handle the event.
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*
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* @param event The event to check
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* @param forceRepeat Whether to force quickly repeating notifications
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* @param silent Whether to force-deny notifications
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* @return Whether the event is allowed
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*/
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public boolean check(BlacklistEvent event, boolean forceRepeat, boolean silent) {
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List<BlacklistEntry> entries = index.getEntries(event.getTarget());
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if (entries == null) {
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return true;
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}
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boolean ret = true;
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for (BlacklistEntry entry : entries) {
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if (!entry.check(useAsWhitelist, event, forceRepeat, silent)) {
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ret = false;
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}
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}
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return ret;
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}
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/**
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* Load the blacklist.
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*
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* @param file The file to load from
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* @throws IOException if an error occurred reading from the file
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*/
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public void load(File file) throws IOException {
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MatcherIndex.Builder builder = new MatcherIndex.Builder();
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TargetMatcherParser targetMatcherParser = new TargetMatcherParser();
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try (FileReader input = new FileReader(file)) {
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BufferedReader buff = new BufferedReader(input);
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String line;
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List<BlacklistEntry> currentEntries = null;
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while ((line = buff.readLine()) != null) {
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line = line.trim();
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// Blank line
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if (line.isEmpty()) {
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continue;
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} else if (line.charAt(0) == ';' || line.charAt(0) == '#') {
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continue;
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}
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if (line.matches("^\\[.*\\]$")) {
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String[] items = line.substring(1, line.length() - 1).split(",");
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currentEntries = new ArrayList<>();
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for (String item : items) {
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try {
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TargetMatcher matcher = targetMatcherParser.fromInput(item.trim());
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BlacklistEntry entry = new BlacklistEntry(this);
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builder.add(matcher, entry);
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currentEntries.add(entry);
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} catch (TargetMatcherParseException e) {
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log.log(Level.WARNING, "Could not parse a block/item heading: " + e.getMessage());
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}
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}
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} else if (currentEntries != null) {
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String[] parts = line.split("=");
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if (parts.length == 1) {
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log.log(Level.WARNING, "Found option with no value " + file.getName() + " for '" + line + "'");
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continue;
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}
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boolean unknownOption = false;
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for (BlacklistEntry entry : currentEntries) {
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if (parts[0].equalsIgnoreCase("ignore-groups")) {
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entry.setIgnoreGroups(parts[1].split(","));
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} else if (parts[0].equalsIgnoreCase("ignore-perms")) {
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entry.setIgnorePermissions(parts[1].split(","));
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} else if (parts[0].equalsIgnoreCase("message")) {
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entry.setMessage(WorldGuard.getInstance().getPlatform().replaceColorMacros(parts[1].trim()));
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} else if (parts[0].equalsIgnoreCase("comment")) {
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entry.setComment(WorldGuard.getInstance().getPlatform().replaceColorMacros(parts[1].trim()));
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} else {
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boolean found = false;
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for (EventType type : EventType.values()) {
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if (type.getRuleName().equalsIgnoreCase(parts[0])) {
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entry.getActions(type.getEventClass()).addAll(parseActions(entry, parts[1]));
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found = true;
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break;
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}
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}
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if (!found) {
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unknownOption = true;
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}
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}
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}
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if (unknownOption) {
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log.log(Level.WARNING, "Unknown option '" + parts[0] + "' in " + file.getName() + " for '" + line + "'");
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}
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} else {
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log.log(Level.WARNING, "Found option with no heading "
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+ file.getName() + " for '" + line + "'");
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}
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}
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this.index = builder.build();
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}
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}
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private List<Action> parseActions(BlacklistEntry entry, String raw) {
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String[] split = raw.split(",");
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List<Action> actions = new ArrayList<>();
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for (String name : split) {
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name = name.trim();
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boolean found = false;
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for (ActionType type : ActionType.values()) {
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if (type.getActionName().equalsIgnoreCase(name)) {
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actions.add(type.parseInput(this, entry));
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found = true;
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break;
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}
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}
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if (!found) {
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log.log(Level.WARNING, "Unknown blacklist action: " + name);
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}
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}
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return actions;
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}
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/**
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* Get the last event.
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*
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* @return The last event
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*/
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public BlacklistEvent getLastEvent() {
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return lastEvent;
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}
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/**
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* Notify administrators.
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*
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* @param event The event to notify about
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* @param comment The comment to notify with
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*/
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public void notify(BlacklistEvent event, String comment) {
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lastEvent = event;
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StyledFragment fragment = new StyledFragment().append(new StyledFragment(Style.GRAY).append("WG: "))
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.append(new StyledFragment(Style.PURPLE).append(event.getCauseName()))
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.append(new StyledFragment(Style.YELLOW_DARK).append(" (" + event.getDescription() + ") "))
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.append(new StyledFragment(Style.WHITE).append(event.getTarget().getFriendlyName() + (comment != null ? " (" + comment + ")" : "") + "."));
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broadcastNotification(ColorCodeBuilder.asColorCodes(fragment));
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}
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/**
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* Sends a notification to all subscribing users.
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*
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* @param msg The message to broadcast
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*/
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public void broadcastNotification(String msg) {
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WorldGuard.getInstance().getPlatform().broadcastNotification(msg);
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}
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public LoadingCache<String, TrackedEvent> getRepeatingEventCache() {
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return repeatingEventCache;
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}
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}
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