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PatchLog.java
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PatchLog.java
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package nallar.log;
import cpw.mods.fml.relauncher.FMLRelaunchLog;
import java.io.*;
import java.lang.reflect.*;
import java.util.*;
import java.util.logging.*;
@SuppressWarnings({"UnusedDeclaration", "UseOfSystemOutOrSystemErr"})
public class PatchLog {
public static final Logger LOGGER = Logger.getLogger("TTPatcher");
public static final boolean debug = System.getProperty("tickthreading.debug") != null;
public static final Level DEBUG = DebugLevel.DEBUG;
private static Handler handler;
private static final int numberOfLogFiles = Integer.valueOf(System.getProperty("tickthreading.numberOfLogFiles", "5"));
private static final File logFolder = new File("TTPatcherLogs");
private static final boolean FINE_TO_FILE = true;
private static final Logger fineLogger = Logger.getLogger("TTPatcher" + Character.toString((char) 255));
public static void coloriseLogger() {
try {
Field consoleLogThreadField = FMLRelaunchLog.class.getDeclaredField("consoleLogThread");
consoleLogThreadField.setAccessible(true);
Thread consoleLogThreadThread = (Thread) consoleLogThreadField.get(null);
Field target = Thread.class.getDeclaredField("target");
target.setAccessible(true);
Object consoleLogThread = target.get(consoleLogThreadThread);
Field handlerField = consoleLogThread.getClass().getDeclaredField("wrappedHandler");
Handler wrappedHandler = (Handler) handlerField.get(consoleLogThreadThread);
wrappedHandler.setFormatter(new ColorLogFormatter());
} catch (Exception e) {
System.err.println("Failed to replace FML logger with colorised logger");
e.printStackTrace(System.err);
}
}
static {
if (!System.getProperty("PatchLogInited", "false").equals("false")) {
System.err.println("Initialising extra PatchLog class under classloader " + PatchLog.class.getClassLoader());
System.err.println("Original was under " + System.getProperty("PatchLogInited"));
new Throwable().printStackTrace();
System.exit(1);
}
System.setProperty("PatchLogInited", PatchLog.class.getClassLoader().toString());
coloriseLogger();
try {
final Logger parent = Logger.getLogger("TickThreading");
if (parent == null) {
throw new NoClassDefFoundError();
}
LOGGER.setParent(parent);
if (parent.getParent() == null) {
parent.setParent(Logger.getLogger("ForgeModLoader"));
}
parent.setUseParentHandlers(true);
LOGGER.setUseParentHandlers(true);
} catch (NoClassDefFoundError ignored) {
System.err.println("Failed to get parent logger.");
LOGGER.setUseParentHandlers(false);
LOGGER.addHandler(new Handler() {
private final LogFormatter logFormatter = new LogFormatter();
@Override
public void publish(LogRecord record) {
System.out.print(logFormatter.format(record));
}
@Override
public void flush() {
}
@Override
public void close() throws SecurityException {
}
});
}
setFileName("patcher", Level.ALL, LOGGER);
if (FINE_TO_FILE) {
LOGGER.setLevel(Level.INFO);
fineLogger.setParent(LOGGER);
fineLogger.addHandler(handler);
fineLogger.setUseParentHandlers(false);
fineLogger.setLevel(Level.ALL);
} else {
LOGGER.setLevel(Level.ALL);
}
}
public static void setFileName(String name, final Level minimumLevel, Logger... loggers) {
logFolder.mkdir();
for (int i = numberOfLogFiles; i >= 1; i--) {
File currentFile = new File(logFolder, name + '.' + i + ".log");
if (currentFile.exists()) {
if (i == numberOfLogFiles) {
currentFile.delete();
} else {
currentFile.renameTo(new File(logFolder, name + '.' + (i + 1) + ".log"));
}
}
}
final File saveFile = new File(logFolder, name + ".1.log");
saveFile.delete();
try {
handler = new FileHandler(saveFile.getCanonicalPath());
handler.setFormatter(new LogFormatter());
for (Logger logger : loggers) {
logger.addHandler(handler);
}
} catch (IOException e) {
PatchLog.severe("Can't write logs to disk", e);
}
}
public static void flush() {
if (handler != null) {
handler.flush();
}
}
public static void debug(String msg) {
debug(msg, null);
}
public static void severe(String msg) {
severe(msg, null);
}
public static void warning(String msg) {
warning(msg, null);
}
public static void info(String msg) {
info(msg, null);
}
public static void config(String msg) {
config(msg, null);
}
public static void fine(String msg) {
fine(msg, null);
}
public static void finer(String msg) {
finer(msg, null);
}
public static void finest(String msg) {
finest(msg, null);
}
public static void debug(String msg, Throwable t) {
if (debug) {
LOGGER.log(DEBUG, msg, t);
} else {
throw new Error("Logged debug message when not in debug mode.");
// To prevent people logging debug messages which will just be ignored, wasting resources constructing the message.
// (s/people/me being lazy/ :P)
}
}
public static void severe(String msg, Throwable t) {
LOGGER.log(Level.SEVERE, msg, t);
}
public static void warning(String msg, Throwable t) {
LOGGER.log(Level.WARNING, msg, t);
}
public static void info(String msg, Throwable t) {
LOGGER.log(Level.INFO, msg, t);
}
public static void config(String msg, Throwable t) {
LOGGER.log(Level.CONFIG, msg, t);
}
public static void fine(String msg, Throwable t) {
(FINE_TO_FILE ? fineLogger : LOGGER).log(Level.FINE, msg, t);
}
public static void finer(String msg, Throwable t) {
(FINE_TO_FILE ? fineLogger : LOGGER).log(Level.FINER, msg, t);
}
public static void finest(String msg, Throwable t) {
(FINE_TO_FILE ? fineLogger : LOGGER).log(Level.FINEST, msg, t);
}
public static String classString(Object o) {
return "c " + o.getClass().getName() + ' ';
}
public static void log(Level level, Throwable throwable, String s) {
LOGGER.log(level, s, throwable);
}
private static boolean hasDuplicates(Object[] array) {
return hasDuplicates(Arrays.asList(array));
}
private static boolean hasDuplicates(List list) {
if (list == null) {
return false;
}
Set<Object> set = Collections.newSetFromMap(new IdentityHashMap<Object, Boolean>());
for (Object o : list) {
if (!set.add(o)) {
return true;
}
}
return false;
}
}