package com.findwise.hydra;
import java.net.InetAddress;
import java.net.UnknownHostException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.encoder.PatternLayoutEncoder;
import ch.qos.logback.classic.net.SocketAppender;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.ConsoleAppender;
/**
* Class responsible for setting up and controlling logging.
*
* @author petter.remen
*/
public class Logging {
private static LoggerContext lc = (LoggerContext) LoggerFactory
.getILoggerFactory();
private static boolean remoteLoggerActive = false;
synchronized public static void setup(String host, int port)
throws UnknownHostException {
if (remoteLoggerActive) {
return;
}
remoteLoggerActive = true;
lc = (LoggerContext) LoggerFactory.getILoggerFactory();
SocketAppender socketAppender = new SocketAppender(
InetAddress.getByName(host), port);
socketAppender.setContext(lc);
socketAppender.start();
ch.qos.logback.classic.Logger rootLogger = getRootLogger();
/*
* Default configuration will contain a stdout logger. This will remove
* that.
*/
rootLogger.detachAndStopAllAppenders();
rootLogger.addAppender(socketAppender);
setInternalLoggingLevel(Level.WARN);
setGlobalLoggingLevel(Level.TRACE);
}
/**
* Adds a new ConsoleAppender to the ROOT logger.
*/
synchronized public static void addConsoleAppender() {
addConsoleAppender(getRootLogger());
}
/**
* Adds a ConsoleAppender to the supplied logger.
*
* @param logger
*/
synchronized public static void addConsoleAppender(
ch.qos.logback.classic.Logger logger) {
PatternLayoutEncoder encoder = new PatternLayoutEncoder();
encoder.setContext(logger.getLoggerContext());
encoder.setPattern("%d{HH:mm:ss.SSS} [%-5level] %msg %n");
encoder.start();
ConsoleAppender<ILoggingEvent> c = new ConsoleAppender<ILoggingEvent>();
c.setContext(logger.getLoggerContext());
c.setOutputStream(System.err);
c.setEncoder(encoder);
c.start();
logger.addAppender(c);
}
public static Level getInternalLogLevel() {
return getInternalLogger().getLevel();
}
public static void setInternalLoggingLevel(Level loggingLevel) {
getInternalLogger().setLevel(loggingLevel);
}
public static Level getGlobalLogLevel() {
return getRootLogger().getLevel();
}
public static void setGlobalLoggingLevel(Level loggingLevel) {
getRootLogger().setLevel(loggingLevel);
}
private static ch.qos.logback.classic.Logger getInternalLogger() {
return lc.getLogger("internal");
}
private static ch.qos.logback.classic.Logger getRootLogger() {
return lc.getLogger(Logger.ROOT_LOGGER_NAME);
}
}