/
Logger.java
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/
Logger.java
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package net.ME1312.Galaxi.Library.Log;
import net.ME1312.Galaxi.Galaxi;
import net.ME1312.Galaxi.Library.Container;
import net.ME1312.Galaxi.Library.NamedContainer;
import net.ME1312.Galaxi.Library.Util;
import java.io.File;
import java.io.OutputStream;
import java.io.PrintStream;
import java.nio.charset.StandardCharsets;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.LinkedList;
import java.util.PrimitiveIterator;
import static net.ME1312.Galaxi.Library.Log.LogLevel.*;
/**
* Logger Class
*/
public final class Logger {
private static final Container<PrintStream> pso = new Container<PrintStream>(null);
private static final Container<PrintStream> pse = new Container<PrintStream>(null);
private static boolean running = true;
static final LinkedList<NamedContainer<LogStream, String>> messages = new LinkedList<NamedContainer<LogStream, String>>();
private static final LinkedList<LogFilter> gFilters = new LinkedList<LogFilter>();
private LinkedList<LogFilter> lFilters = new LinkedList<LogFilter>();
private final java.util.logging.Logger primitive;
private static Thread thread;
final String prefix;
/**
* Gets a new Logger
*
* @param prefix Log Prefix
*/
public Logger(String prefix) {
if (Util.isNull(prefix)) throw new NullPointerException();
if (prefix.length() == 0) throw new StringIndexOutOfBoundsException("Cannot use an empty prefix");
debug = new LogStream(this, DEBUG, pso);
message = new LogStream(this, MESSAGE, pso);
info = new LogStream(this, INFO, pso);
warn = new LogStream(this, WARN, pso);
error = new LogStream(this, ERROR, pse);
severe = new LogStream(this, SEVERE, pse);
primitive = java.util.logging.Logger.getAnonymousLogger();
primitive.setUseParentHandlers(false);
primitive.addHandler(new PrimitiveLogger(this));
this.prefix = prefix;
}
public final LogStream debug;
public final LogStream message;
public final LogStream info;
public final LogStream warn;
public final LogStream error;
public final LogStream severe;
/**
* Get this logger as a standard Java Logger
*
* @return Standard Java Logger
*/
public java.util.logging.Logger toPrimitive() {
return primitive;
}
/**
* Get the prefix this logger uses
*
* @return Logger Prefix
*/
public String getPrefix() {
return prefix;
}
/**
* Add a filter to this logger
*
* @param filter Log Filter
*/
public void addFilter(LogFilter filter) {
if (Util.isNull(filter)) throw new NullPointerException();
lFilters.add(filter);
}
/**
* Remove a filter from this logger
*
* @param filter Log Filter
*/
public void removeFilter(LogFilter filter) {
lFilters.remove(filter);
}
/**
* Add a filter to all loggers
*
* @param filter Static Log Filter
*/
public static void addStaticFilter(LogFilter filter) {
if (Util.isNull(filter)) throw new NullPointerException();
gFilters.add(filter);
}
/**
* Remove a static filter
*
* @param filter Static Log Filter
*/
public static void removeStaticFilter(LogFilter filter) {
gFilters.remove(filter);
}
private static void log() {
(thread = new Thread(() -> {
LogStream last = null;
boolean terminated = true;
while (running) {
while (running && messages.size() > 0) try {
NamedContainer<LogStream, String> container = Util.getDespiteException(() -> messages.get(0), null);
if (container != null) {
LogStream stream = container.name();
String prefix = '[' + new SimpleDateFormat("HH:mm:ss").format(Calendar.getInstance().getTime()) + "] [" + stream.getLogger().getPrefix() + File.separator + stream.getLevel() + "] > ";
LinkedList<String> messages = new LinkedList<String>();
boolean terminate = false;
if (container.get().length() > 0) {
StringBuilder message = new StringBuilder();
boolean terminate_with_prefix = false;
for (PrimitiveIterator.OfInt $i = container.get().codePoints().iterator(); $i.hasNext();) {
int c = $i.nextInt();
if (terminate) {
messages.add(message.toString());
message = new StringBuilder();
}
switch (c) {
case '\n':
terminate = true;
break;
case '\r':
terminate_with_prefix = true;
break;
default:
message.appendCodePoint(c);
terminate = false;
terminate_with_prefix = false;
break;
}
}
if (message.length() > 0) messages.add(message.toString());
if (terminate && (terminate_with_prefix || messages.size() <= 0)) messages.add("");
}
int i = 0;
boolean logged = messages.size() <= 0;
for (String message : messages) {
i++;
Boolean response = null;
LinkedList<LogFilter> cache = new LinkedList<LogFilter>();
cache.addAll(stream.getLogger().lFilters);
cache.addAll(gFilters);
for (LogFilter filter : cache) try {
response = filter.filter(stream, message);
if (response != null) break;
} catch (Throwable e) {}
if (response == null || response == Boolean.TRUE) {
if (terminated || last != stream) {
if (!terminated) stream.stream.get().print('\n');
stream.stream.get().write(prefix.getBytes(StandardCharsets.UTF_8));
}
last = stream;
logged = true;
terminated = false;
stream.stream.get().write(message.getBytes(StandardCharsets.UTF_8));
if (i < messages.size()) {
terminated = true;
stream.stream.get().print('\n');
}
}
}
if (logged && terminate) {
terminated = true;
stream.stream.get().print('\n');
}
}
Util.isException(() -> Logger.messages.remove(0));
} catch (Throwable e) {
Util.isException(() -> Logger.messages.remove(0));
if (pse.get() != null) e.printStackTrace(pse.get());
}
Util.isException(() -> Thread.sleep(32));
}
}, Galaxi.getInstance().getEngineInfo().getName() + "::Log_Spooler")).start();
}
}