private void configureFileLogger() {
final File logFile = new File(logsDir, DEFAULT_LOG_FILENAME);
final RollingFileAppender<ILoggingEvent> fileAppender = new RollingFileAppender<>();
fileAppender.setContext((LoggerContext) LoggerFactory.getILoggerFactory());
fileAppender.setName(LOG_APPENDER);
fileAppender.setFile(logFile.getAbsolutePath());
fileAppender.setEncoder(createEncoder());
fileAppender.setRollingPolicy(createRollingPolicy(fileAppender));
fileAppender.setTriggeringPolicy(createTriggeringPolicy());
fileAppender.start();
final ch.qos.logback.classic.Logger logger =
(ch.qos.logback.classic.Logger) LoggerFactory.getLogger("ROOT");
logger.addAppender(fileAppender);
StatusPrinter.print((LoggerContext) LoggerFactory.getILoggerFactory());
}
private static void configureLogging(final Level consoleLevel, final Level fileLevel) {
final LoggerContext loggerContext = LOG.getLoggerContext();
loggerContext.reset();
// set root log to the most permissive filter (affects performance big time (JAVACLI-90))
final int lowestLogLevel = Math.min(consoleLevel.toInt(), fileLevel.toInt());
LOG.setLevel(Level.toLevel(lowestLogLevel));
if (!consoleLevel.equals(Level.OFF)) {
// create and add console appender
final PatternLayoutEncoder consoleEncoder = new PatternLayoutEncoder();
consoleEncoder.setContext(loggerContext);
consoleEncoder.setPattern(LOG_FORMAT_PATTERN);
consoleEncoder.start();
final ConsoleAppender<ILoggingEvent> consoleAppender = new ConsoleAppender<ILoggingEvent>();
consoleAppender.setContext(loggerContext);
consoleAppender.setName("STDOUT");
consoleAppender.setEncoder(consoleEncoder);
final ThresholdFilter consoleFilter = new ThresholdFilter();
consoleFilter.setLevel(consoleLevel.levelStr);
consoleFilter.setName(consoleLevel.levelStr);
consoleFilter.start();
consoleAppender.addFilter(consoleFilter);
consoleAppender.start();
LOG.addAppender(consoleAppender);
}
if (!fileLevel.equals(Level.OFF)) {
// create file appender only if needed.
// if done in the xml, it will create an empty file
final RollingFileAppender<ILoggingEvent> fileAppender =
new RollingFileAppender<ILoggingEvent>();
final FixedWindowRollingPolicy sizeBasedRollingPolicy = new FixedWindowRollingPolicy();
final SizeBasedTriggeringPolicy<Object> sizeBasedTriggeringPolicy =
new SizeBasedTriggeringPolicy<Object>();
fileAppender.setContext(loggerContext);
sizeBasedTriggeringPolicy.setContext(loggerContext);
sizeBasedRollingPolicy.setContext(loggerContext);
fileAppender.setRollingPolicy(sizeBasedRollingPolicy);
sizeBasedRollingPolicy.setParent(fileAppender);
sizeBasedRollingPolicy.setMinIndex(0);
sizeBasedRollingPolicy.setMaxIndex(99);
final Path logFilePath = FileSystems.getDefault().getPath(LOG_DIR, LOG_FILE_NAME);
fileAppender.setFile(logFilePath.toString());
sizeBasedRollingPolicy.setFileNamePattern(LOG_DIR + LOG_ARCHIVE_FILE_PATTERN);
sizeBasedRollingPolicy.start();
sizeBasedTriggeringPolicy.setMaxFileSize("10MB");
sizeBasedTriggeringPolicy.start();
final PatternLayoutEncoder fileEncoder = new PatternLayoutEncoder();
fileEncoder.setContext(loggerContext);
fileEncoder.setPattern(LOG_FORMAT_PATTERN);
fileEncoder.start();
fileAppender.setTriggeringPolicy((TriggeringPolicy) sizeBasedTriggeringPolicy);
fileAppender.setRollingPolicy(sizeBasedRollingPolicy);
fileAppender.setEncoder(fileEncoder);
fileAppender.setName("LOGFILE");
sizeBasedRollingPolicy.start();
final ThresholdFilter fileFilter = new ThresholdFilter();
fileFilter.setLevel(fileLevel.levelStr);
fileFilter.setName(fileLevel.levelStr);
fileFilter.start();
fileAppender.addFilter(fileFilter);
LOG.addAppender((Appender) fileAppender);
fileAppender.start();
}
}