mirror of
https://github.com/EngineHub/WorldGuard.git
synced 2024-11-28 05:25:20 +01:00
305 lines
8.9 KiB
Java
305 lines
8.9 KiB
Java
// $Id$
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/*
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* WorldGuard
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* Copyright (C) 2010 sk89q <http://www.sk89q.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the 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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU 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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import java.util.logging.Logger;
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import java.util.logging.Level;
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import java.io.*;
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import java.util.regex.*;
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import java.util.Map;
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import java.util.Date;
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import java.util.Calendar;
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import java.util.GregorianCalendar;
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import java.util.TreeMap;
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import java.util.Iterator;
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import java.text.SimpleDateFormat;
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/**
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*
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* @author sk89q
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*/
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public class FileLoggerHandler implements BlacklistLoggerHandler {
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/**
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* Logger.
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*/
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private static final Logger logger = Logger.getLogger("Minecraft.WorldGuard");
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/**
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* Regex for patterns in the path.
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*/
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private static Pattern pattern = Pattern.compile("%.");
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/**
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* Date format.
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*/
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private static SimpleDateFormat dateFormat =
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new SimpleDateFormat("yyyyy-MM-dd HH:mm:ss");
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/**
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* Number of files to keep open at a time.
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*/
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private int cacheSize = 10;
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/**
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* Path pattern.
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*/
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private String pathPattern;
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/**
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* Cache of writers.
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*/
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private TreeMap<String,FileLoggerWriter> writers =
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new TreeMap<String,FileLoggerWriter>();
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/**
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* Construct the object.
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*
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* @param pathPattern
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*/
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public FileLoggerHandler(String pathPattern) {
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this.pathPattern = pathPattern;
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}
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/**
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* Construct the object.
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*
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* @param pathPattern
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* @param cacheSize
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*/
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public FileLoggerHandler(String pathPattern, int cacheSize) {
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if (cacheSize < 1) {
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throw new IllegalArgumentException("Cache size cannot be less than 1");
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}
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this.pathPattern = pathPattern;
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this.cacheSize = cacheSize;
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}
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/**
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* Build the path.
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*
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* @return
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*/
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private String buildPath(String playerName) {
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GregorianCalendar calendar = new GregorianCalendar();
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Pattern p = Pattern.compile("%.");
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Matcher m = p.matcher(pathPattern);
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StringBuffer buffer = new StringBuffer();
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// Pattern replacements
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while (m.find()) {
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String group = m.group();
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String rep = "?";
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if (group.matches("%%")) {
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rep = "%";
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} else if (group.matches("%u")) {
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rep = playerName.toLowerCase().replaceAll("[^A-Za-z0-9_]", "_");
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if (rep.length() > 32) { // Actual max length is 16
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rep = rep.substring(0, 32);
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}
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// Date and time
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} else if (group.matches("%Y")) {
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rep = String.valueOf(calendar.get(Calendar.YEAR));
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} else if (group.matches("%m")) {
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rep = String.format("%02d", calendar.get(Calendar.MONTH));
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} else if (group.matches("%d")) {
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rep = String.format("%02d", calendar.get(Calendar.DAY_OF_MONTH));
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} else if (group.matches("%W")) {
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rep = String.format("%02d", calendar.get(Calendar.WEEK_OF_YEAR));
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} else if (group.matches("%H")) {
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rep = String.format("%02d", calendar.get(Calendar.HOUR_OF_DAY));
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} else if (group.matches("%h")) {
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rep = String.format("%02d", calendar.get(Calendar.HOUR));
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} else if (group.matches("%i")) {
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rep = String.format("%02d", calendar.get(Calendar.MINUTE));
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} else if (group.matches("%s")) {
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rep = String.format("%02d", calendar.get(Calendar.SECOND));
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}
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m.appendReplacement(buffer, rep);
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}
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m.appendTail(buffer);
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return buffer.toString();
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}
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/**
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* Log a message.
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*
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* @param player
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* @param message
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*/
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private void log(Player player, String message, String comment) {
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String path = buildPath(player.getName());
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try {
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String date = dateFormat.format(new Date());
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String line = "[" + date + "] " + player.getName() + ": " + message
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+ (comment != null ? " (" + comment + ")" : "") + "\r\n";
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FileLoggerWriter writer = writers.get(path);
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// Writer already exists!
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if (writer != null) {
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try {
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BufferedWriter out = writer.getWriter();
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out.write(line);
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out.flush();
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writer.updateLastUse();
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return;
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} catch (IOException e) {
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// Failed initial rewrite... let's re-open
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}
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}
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// Make parent directory
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File file = new File(path);
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File parent = file.getParentFile();
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if (parent != null && !parent.exists()) {
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parent.mkdirs();
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}
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FileWriter stream = new FileWriter(path, true);
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BufferedWriter out = new BufferedWriter(stream);
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out.write(line);
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out.flush();
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writer = new FileLoggerWriter(path, out);
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writers.put(path, writer);
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// Check to make sure our cache doesn't get too big!
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if (writers.size() > cacheSize) {
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Iterator<Map.Entry<String,FileLoggerWriter>> it =
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writers.entrySet().iterator();
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// Remove some entries
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for (; it.hasNext(); ) {
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Map.Entry<String,FileLoggerWriter> entry = it.next();
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try {
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entry.getValue().getWriter().close();
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} catch (IOException e) {
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}
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it.remove();
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// Trimmed enough
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if (writers.size() <= cacheSize) {
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break;
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}
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}
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}
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} catch (IOException e) {
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logger.log(Level.WARNING, "Failed to log blacklist event to '"
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+ path + "': " + e.getMessage());
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}
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}
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/**
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* Log a block destroy attempt.
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*
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* @param player
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* @param block
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*/
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public void logDestroyAttempt(Player player, Block block, String comment) {
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log(player, "Tried to destroy " + getFriendlyItemName(block.getType()),
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comment);
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}
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/**
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* Log a block break attempt.
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*
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* @param player
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* @param block
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*/
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public void logBreakAttempt(Player player, Block block, String comment) {
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log(player, "Tried to break " + getFriendlyItemName(block.getType()),
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comment);
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}
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/**
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* Log a right click on attempt.
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*
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* @param player
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* @param block
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*/
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public void logUseAttempt(Player player, Block block, String comment) {
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log(player, "Tried to use " + getFriendlyItemName(block.getType()),
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comment);
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}
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/**
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* Log an attempt to destroy with an item.
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*
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* @param player
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* @param item
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*/
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public void logDestroyWithAttempt(Player player, int item, String comment) {
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log(player, "Tried to destroy with " + getFriendlyItemName(item), comment);
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}
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/**
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* Log a block creation attempt.
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*
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* @param player
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* @param item
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*/
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public void logCreateAttempt(Player player, int item, String comment) {
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log(player, "Tried to create " + getFriendlyItemName(item), comment);
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}
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/**
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* Log a drop attempt.
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*
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* @param player
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* @param item
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*/
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public void logDropAttempt(Player player, int item, String comment) {
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log(player, "Tried to drop " + getFriendlyItemName(item), comment);
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}
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/**
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* Log an acquire attempt.
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*
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* @param player
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* @param item
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*/
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public void logAcquireAttempt(Player player, int item, String comment) {
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log(player, "Tried to acquire " + getFriendlyItemName(item), comment);
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}
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/**
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* Get an item's friendly name with its ID.
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*
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* @param id
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*/
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private static String getFriendlyItemName(int id) {
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return etc.getDataSource().getItem(id) + " (#" + id + ")";
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}
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/**
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* Close handles.
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*/
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public void close() {
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for (Map.Entry<String,FileLoggerWriter> entry : writers.entrySet()) {
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try {
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entry.getValue().getWriter().close();
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} catch (IOException e) {
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}
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}
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writers.clear();
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}
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}
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