ch.qos.logback.core.rolling.RollingFileAppender Java Examples

/**
 * 初始化日志
 */
private Logger initLog(Integer id) {
    // 实例化log，每个实例存放地方不一致
    ch.qos.logback.classic.Logger logger = ((ch.qos.logback.classic.Logger)
            LoggerFactory.getLogger(this.secretary.strategyName + "-" + id));

    LoggerContext context = logger.getLoggerContext();

    TimeBasedRollingPolicy<ILoggingEvent> policy = new TimeBasedRollingPolicy<>();
    policy.setFileNamePattern(OptionHelper.substVars(
            "logs/past/" + id + "/%d{yyyy-MM-dd}.log.gz", context));
    policy.setMaxHistory(31);
    policy.setContext(context);

    PatternLayoutEncoder encoder = new PatternLayoutEncoder();
    encoder.setContext(context);
    encoder.setPattern("%d{yyyy-MM-dd HH:mm:ss.SSS} %5level - [%thread] %logger : %msg%n");

    RollingFileAppender<ILoggingEvent> appender = new RollingFileAppender<>();
    appender.setContext(context);
    appender.setName(this.secretary.strategyName + "-" + id);
    appender.setFile(OptionHelper.substVars("logs/" + id + "/log.log", context));
    appender.setAppend(true);
    // 同一文件多输入完整检查
    appender.setPrudent(false);
    appender.setRollingPolicy(policy);
    appender.setEncoder(encoder);
    policy.setParent(appender);

    policy.start();
    encoder.start();
    appender.start();

    logger.setLevel(Level.INFO);
    // 终端输出
    logger.setAdditive(true);
    logger.addAppender(appender);

    return logger;
}
 

protected Appender buildDailyMaxRollingAppender(String name, String fileName, String pattern, int maxBackupIndex) {
    RollingFileAppender appender = new RollingFileAppender();
    appender.setContext(loggerContext);
    appender.setName(name);
    appender.setAppend(true);
    appender.setFile(new File(getLogPath(), fileName).getAbsolutePath());

    TimeBasedRollingPolicy rolling = new TimeBasedRollingPolicy();
    rolling.setContext(loggerContext);
    rolling.setFileNamePattern(new File(getLogPath(), fileName).getAbsolutePath() + ".%d{yyyy-MM-dd-HH}");
    rolling.setMaxHistory(maxBackupIndex);
    rolling.setParent(appender);
    rolling.start();
    appender.setRollingPolicy(rolling);

    PatternLayout layout = new PatternLayout();
    layout.setContext(loggerContext);
    layout.setPattern(pattern);
    layout.start();
    appender.setLayout(layout);
    // 启动
    appender.start();
    return appender;
}
 

protected Appender buildAppender(String name, String fileName, String pattern) {
    RollingFileAppender appender = new RollingFileAppender();
    appender.setContext(loggerContext);
    appender.setName(name);
    appender.setAppend(true);
    appender.setFile(new File(getLogPath(), fileName).getAbsolutePath());

    TimeBasedRollingPolicy rolling = new TimeBasedRollingPolicy();
    rolling.setParent(appender);
    rolling.setFileNamePattern(new File(getLogPath(), fileName).getAbsolutePath() + ".%d{yyyy-MM-dd}");
    rolling.setContext(loggerContext);
    rolling.start();
    appender.setRollingPolicy(rolling);

    PatternLayout layout = new PatternLayout();
    layout.setPattern(pattern);
    layout.setContext(loggerContext);
    layout.start();
    appender.setLayout(layout);
    // 启动
    appender.start();
    return appender;
}
 

protected Appender buildDailyMaxRollingAppender(String name, String fileName, String pattern, int maxBackupIndex) {
    RollingFileAppender appender = new RollingFileAppender();
    appender.setContext(loggerContext);
    appender.setName(name);
    appender.setAppend(true);
    appender.setFile(new File(getLogPath(), fileName).getAbsolutePath());

    TimeBasedRollingPolicy rolling = new TimeBasedRollingPolicy();
    rolling.setContext(loggerContext);
    rolling.setFileNamePattern(new File(getLogPath(), fileName).getAbsolutePath() + ".%d{yyyy-MM-dd-HH}");
    rolling.setMaxHistory(maxBackupIndex);
    rolling.setParent(appender);
    rolling.start();
    appender.setRollingPolicy(rolling);

    PatternLayoutEncoder layout = new PatternLayoutEncoder();
    layout.setContext(loggerContext);
    layout.setPattern(pattern);
    layout.setCharset(Charset.forName(getEncoding()));
    layout.start();
    appender.setEncoder(layout);
    // 启动
    appender.start();
    return appender;
}
 

protected Appender buildAppender(String name, String fileName, String pattern) {
    RollingFileAppender appender = new RollingFileAppender();
    appender.setContext(loggerContext);
    appender.setName(name);
    appender.setAppend(true);
    appender.setFile(new File(getLogPath(), fileName).getAbsolutePath());

    TimeBasedRollingPolicy rolling = new TimeBasedRollingPolicy();
    rolling.setContext(loggerContext);
    rolling.setParent(appender);
    rolling.setFileNamePattern(new File(getLogPath(), fileName).getAbsolutePath() + ".%d{yyyy-MM-dd}");
    rolling.start();
    appender.setRollingPolicy(rolling);

    PatternLayoutEncoder layout = new PatternLayoutEncoder();
    layout.setContext(loggerContext);
    layout.setPattern(pattern);
    layout.setCharset(Charset.forName(getEncoding()));
    layout.start();
    appender.setEncoder(layout);
    // 启动
    appender.start();
    return appender;
}
 

@Override
protected Appender<ILoggingEvent> createAppenderInstance(Context loggerContext)
{
    SystemConfig<?> systemConfig = getAncestor(SystemConfig.class);
    _logbackStatusListener = new BrokerLoggerStatusListener(this,
                                                            systemConfig,
                                                            BROKER_FAIL_ON_LOGGER_IO_ERROR,
                                                            IOException.class,
                                                            IOError.class);
    _statusManager = loggerContext.getStatusManager();
    _statusManager.add(_logbackStatusListener);

    final RollingFileAppender<ILoggingEvent> appender = new RollingFileAppender<>();
    AppenderUtils.configureRollingFileAppender(this, loggerContext, appender);
    return appender;
}
 

private Appender buildAppender(String name, String fileName, String pattern) {
    RollingFileAppender appender = new RollingFileAppender();
    appender.setName(name);
    appender.setAppend(true);
    appender.setFile(new File(getLogPath(), fileName).getAbsolutePath());

    TimeBasedRollingPolicy rolling = new TimeBasedRollingPolicy();
    rolling.setParent(appender);
    rolling.setFileNamePattern(new File(getLogPath(), fileName).getAbsolutePath() + ".%d{yyyy-MM-dd}");
    appender.setRollingPolicy(rolling);

    PatternLayoutEncoder layout = new PatternLayoutEncoder();
    layout.setPattern(pattern);
    layout.setCharset(Charset.forName(getEncoding()));
    appender.setEncoder(layout);
    // 启动
    appender.start();
    return appender;
}
 

private Appender buildDailyMaxRollingAppender(String name, String fileName, String pattern, int maxBackupIndex) {
    RollingFileAppender appender = new RollingFileAppender();
    appender.setName(name);
    appender.setAppend(true);
    appender.setFile(new File(getLogPath(), fileName).getAbsolutePath());

    TimeBasedRollingPolicy rolling = new TimeBasedRollingPolicy();
    rolling.setFileNamePattern(new File(getLogPath(), fileName).getAbsolutePath() + ".%d{yyyy-MM-dd-HH}");
    rolling.setMaxHistory(maxBackupIndex);
    rolling.setParent(appender);
    appender.setRollingPolicy(rolling);

    PatternLayoutEncoder layout = new PatternLayoutEncoder();
    layout.setPattern(pattern);
    layout.setCharset(Charset.forName(getEncoding()));
    appender.setEncoder(layout);
    // 启动
    appender.start();
    return appender;
}
 

private void configureFile(LoggingConfig.FileConfig fileConfig, Logger rootLogger) {
    if (fileConfig.isEnabled()) {
        FileAppender<ILoggingEvent> appender;
        TimeBasedRollingPolicy rollingPolicy = buildRollingPolicy(fileConfig);
        if (rollingPolicy != null) {
            appender = new RollingFileAppender<>();
            ((RollingFileAppender) appender).setRollingPolicy(rollingPolicy);
        } else {
            appender = new FileAppender<>();
        }
        appender.setContext(context);
        appender.setFile(fileConfig.getPath());
        appender.setEncoder(buildEncoder(fileConfig, DEFAULT_FILE_PATTERN));
        appender.start();
        rootLogger.addAppender(appender);
    }
}
 

/**
 * Attaches archived log files to a given rolling file appender.
 * 
 * @param appender
 *            Logback rollingFileAppender
 * @param rollingFileAppenderResource
 *            Resource which should have attached archived log files.
 * @param logService
 *            Log service which should be use to retrieve archived log
 *            files.
 */
public static void attachArchivedLogFiles(
		RollingFileAppender<ILoggingEvent> appender,
		RollingFileAppenderResource rollingFileAppenderResource,
		ILogService logService) {

	File[] files = logService.getArchivedLogFiles(appender);
	if (files == null)
		return;

	List<ArchivedLogFileResource> logFiles = new ArrayList<ArchivedLogFileResource>(
			files.length);

	for (File file : files) {
		ArchivedLogFileResource resource = new ArchivedLogFileResource(
				rollingFileAppenderResource, file);
		logFiles.add(resource);
	}

	rollingFileAppenderResource.setArchivedLogFiles(logFiles);
}
 

@Override
public List<RollingFileAppender<ILoggingEvent>> getRollingFileAppenders() {
	List<RollingFileAppender<ILoggingEvent>> rollingFileAppenders = new LinkedList<RollingFileAppender<ILoggingEvent>>();

	for (Logger logger : getLoggers()) {
		for (Iterator<Appender<ILoggingEvent>> index = logger
				.iteratorForAppenders(); index.hasNext();) {

			Appender<ILoggingEvent> appender = index.next();
			if (appender instanceof RollingFileAppender)
				rollingFileAppenders
						.add((RollingFileAppender<ILoggingEvent>) appender);
		}
	}

	return rollingFileAppenders;
}
 

@Override
public File getArchivedLogFile(
		RollingFileAppender<ILoggingEvent> rollingFileAppender,
		String logFileName) {
	if (rollingFileAppender == null || logFileName == null)
		return null;

	File[] archvieLogFiles = getArchivedLogFiles(rollingFileAppender);
	if (archvieLogFiles == null)
		return null;

	for (File logFile : archvieLogFiles)
		if (logFileName.equals(logFile.getName()))
			return logFile;

	return null;
}
 

private FileAppender<ILoggingEvent> getAppender(String pluginId) {
    File pluginLogFileLocation = pluginLogFile(pluginId);

    RollingFileAppender<ILoggingEvent> rollingFileAppender = new RollingFileAppender<>();
    rollingFileAppender.setEncoder(LogHelper.encoder());
    rollingFileAppender.setContext(LogHelper.LOGGER_CONTEXT);
    rollingFileAppender.setFile(pluginLogFileLocation.getPath());
    rollingFileAppender.setName(rollingFileAppenderName(pluginId));

    LogHelper.rollingPolicyForAppender(
            rollingFileAppender,
            "5 MB",
            "20 MB",
            7
    );

    rollingFileAppender.start();
    return rollingFileAppender;
}
 

private void setMaxFileSize(RollingFileAppender<ILoggingEvent> appender, LogbackConfigurator config) {
	SizeBasedTriggeringPolicy<ILoggingEvent> triggeringPolicy = new SizeBasedTriggeringPolicy<ILoggingEvent>();
	try {
		//
		// Start - for customized
		//
		String maxFileSize = this.logging.getProperty("policy.maxFileSize", "10MB");
		triggeringPolicy.setMaxFileSize(FileSize.valueOf(maxFileSize));
		// End - for customized

	} catch (NoSuchMethodError ex) {
		// Logback < 1.1.8 used String configuration
		Method method = ReflectionUtils.findMethod(SizeBasedTriggeringPolicy.class, "setMaxFileSize", String.class);
		ReflectionUtils.invokeMethod(method, triggeringPolicy, "10MB");
	}
	appender.setTriggeringPolicy(triggeringPolicy);
	config.start(triggeringPolicy);
}
 

private void setRollingPolicy(RollingFileAppender<ILoggingEvent> appender, LogbackConfigurator config, String logFile) {
	FixedWindowRollingPolicy rollingPolicy = new FixedWindowRollingPolicy();
	//
	// Start - for customized
	//
	int minIndex = Integer.parseInt(logging.getProperty("policy.minIndex", "1"));
	int maxIndex = Integer.parseInt(logging.getProperty("policy.maxIndex", "7"));
	rollingPolicy.setMinIndex(minIndex);
	rollingPolicy.setMaxIndex(maxIndex);
	// End - for customized

	rollingPolicy.setFileNamePattern(logFile + ".%i");
	appender.setRollingPolicy(rollingPolicy);
	rollingPolicy.setParent(appender);
	config.start(rollingPolicy);
}
 

private RollingFileAppender<ILoggingEvent> rollingAppender(String file) {
    RollingFileAppender<ILoggingEvent> rollingFileAppender = new RollingFileAppender<>();
    rollingFileAppender.setEncoder(LogHelper.encoder("%date{ISO8601} - %msg%n"));
    rollingFileAppender.setContext(LogHelper.LOGGER_CONTEXT);
    rollingFileAppender.setFile(getEffectiveLogDirectory(file));
    rollingFileAppender.setName(UUID.randomUUID().toString());

    LogHelper.rollingPolicyForAppender(
            rollingFileAppender,
            "5 MB",
            "20 MB",
            4
    );
    rollingFileAppender.start();
    return rollingFileAppender;
}
 

private static Logger build(String name, Level logLevel, String fileName) {
    LoggerContext context = (LoggerContext)LoggerFactory.getILoggerFactory();
    Logger logger = context.getLogger(name);
    if (Level.ALL.equals(logLevel)) {
        RollingFileAppender errorAppender = new AppenderBuild().getAppender(name, Level.ERROR, fileName);
        RollingFileAppender infoAppender = new AppenderBuild().getAppender(name, Level.INFO, fileName);
        RollingFileAppender warnAppender = new AppenderBuild().getAppender(name, Level.WARN, fileName);
        RollingFileAppender debugAppender = new AppenderBuild().getAppender(name, Level.DEBUG, fileName);

        logger.setAdditive(false);
        logger.addAppender(errorAppender);
        logger.addAppender(infoAppender);
        logger.addAppender(warnAppender);
        logger.addAppender(debugAppender);

    } else {
        logger = buildInfoByLevel(name, logLevel, fileName);
    }
    return logger;
}
 

/**
 * Initializer logback
 * 
 * @param file
 * @param level
 * @param maxHistory
 */
private void doInitializer(String file, String level, int maxHistory) {
	LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
	Logger rootLogger = loggerContext.getLogger(Logger.ROOT_LOGGER_NAME);
	rootLogger.detachAndStopAllAppenders();

	// appender
	RollingFileAppender<ILoggingEvent> fileAppender = new RollingFileAppender<ILoggingEvent>();
	fileAppender.setContext(loggerContext);
	fileAppender.setName("application");
	fileAppender.setFile(file);
	fileAppender.setAppend(true);

	// policy
	TimeBasedRollingPolicy<ILoggingEvent> policy = new TimeBasedRollingPolicy<ILoggingEvent>();
	policy.setContext(loggerContext);
	policy.setMaxHistory(maxHistory);
	policy.setFileNamePattern(file + ".%d{yyyy-MM-dd}");
	policy.setParent(fileAppender);
	policy.start();
	fileAppender.setRollingPolicy(policy);

	// encoder
	PatternLayoutEncoder encoder = new PatternLayoutEncoder();
	encoder.setContext(loggerContext);
	encoder.setPattern("%date [%thread] %-5level %logger (%file:%line\\) - %msg%n");
	encoder.start();
	fileAppender.setEncoder(encoder);
	
	fileAppender.start();

	rootLogger.addAppender(fileAppender);
	rootLogger.setLevel(Level.toLevel(level));
	rootLogger.setAdditive(false);
}
 

@SuppressWarnings("unchecked")
private static NulsLogger build(String fileName, Level fileLevel, Level consoleLevel) {
    RollingFileAppender fileAppender = LogAppender.getAppender(fileName, fileLevel);
    LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
    Logger logger = context.getLogger(fileAppender.getEncoder().toString());
    //设置不向上级打印信息
    logger.setAdditive(false);
    logger.addAppender(fileAppender);
    //输出到控制台
    Appender consoleAppender = LogAppender.createConsoleAppender(consoleLevel);
    logger.addAppender(consoleAppender);
    return new NulsLogger(logger);
}
 

/**
 * Initializer logback
 *
 * @param file
 * @param level
 * @param maxHistory
 */
private void doInitializer(String file, String level, int maxHistory) {
    LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
    Logger rootLogger = loggerContext.getLogger(Logger.ROOT_LOGGER_NAME);
    rootLogger.detachAndStopAllAppenders();

    // appender
    RollingFileAppender<ILoggingEvent> fileAppender = new RollingFileAppender<ILoggingEvent>();
    fileAppender.setContext(loggerContext);
    fileAppender.setName("application");
    fileAppender.setFile(file);
    fileAppender.setAppend(true);

    // policy
    TimeBasedRollingPolicy<ILoggingEvent> policy = new TimeBasedRollingPolicy<ILoggingEvent>();
    policy.setContext(loggerContext);
    policy.setMaxHistory(maxHistory);
    policy.setFileNamePattern(file + ".%d{yyyy-MM-dd}");
    policy.setParent(fileAppender);
    policy.start();
    fileAppender.setRollingPolicy(policy);

    // encoder
    PatternLayoutEncoder encoder = new PatternLayoutEncoder();
    encoder.setContext(loggerContext);
    encoder.setPattern("%date [%thread] %-5level %logger (%file:%line\\) - %msg%n");
    encoder.start();
    fileAppender.setEncoder(encoder);

    fileAppender.start();

    rootLogger.addAppender(fileAppender);
    rootLogger.setLevel(Level.toLevel(level));
    rootLogger.setAdditive(false);
}
 

/**
 * Create the basic thrift appender which logs to a file
 * and rolls the file when it exceeds a certain size.
 *
 * @param basePath base directory the files are under.
 * @param topic the topic name for the current appender.
 * @param rotateThresholdKBytes threshold in kilobytes to rotate after.
 * @param context the logback context.
 */
public static Appender<LogMessage> createFileRollingThriftAppender(
    File basePath,
    String topic,
    long rotateThresholdKBytes,
    Context context,
    int maxRetentionHours) {
  RollingFileAppender<LogMessage> appender = new RollingFileAppender<LogMessage>();
  appender.setContext(context);
  appender.setAppend(true);
  appender.setPrudent(false);

  LogMessageEncoder encoder = new LogMessageEncoder();
  appender.setEncoder(encoder);
  appender.setFile(basePath + PATH_SEP + topic);

  TimeBasedRollingPolicy policy = new TimeBasedRollingPolicy();
  policy.setMaxHistory(maxRetentionHours);
  policy.setFileNamePattern(basePath + PATH_SEP + topic + ".%d{yyyy-MM-dd-HH}.%i");
  policy.setCleanHistoryOnStart(false);
  policy.setContext(context);
  policy.setParent(appender);

  // Also impose a max size per file policy.
  SizeAndTimeBasedFNATP fnatp = new SizeAndTimeBasedFNATP();
  fnatp.setContext(context);
  fnatp.setTimeBasedRollingPolicy(policy);
  fnatp.setMaxFileSize(FileSize.valueOf(String.format("%sKB", rotateThresholdKBytes)));

  policy.setTimeBasedFileNamingAndTriggeringPolicy(fnatp);
  appender.setRollingPolicy(policy);
  appender.setTriggeringPolicy(policy);

  policy.start();
  appender.start();

  return appender;
}
 

protected Appender<ILoggingEvent> fileAppender(Space space) {
    RollingFileAppender<ILoggingEvent> appender = new RollingFileAppender<>();
    PatternLayoutEncoder encoder = new PatternLayoutEncoder();
    String logPattern = this.patterns.getProperty("logging.pattern.file", FILE_LOG_PATTERN);
    encoder.setPattern(OptionHelper.substVars(logPattern, context));
    encoder.setCharset(DEFAULT_CHARSET);
    appender.setEncoder(encoder);
    start(encoder);

    // parse path and file
    // first consider spec.path, second, default_spec.path, third logging.path
    LogFile logFile = LogFile.get(patterns);
    Properties defaultProperties = new Properties();
    if (logFile != null) {
        logFile.applyTo(defaultProperties);
    }
    String path = space.getSpec().getPath() != null ? space.getSpec().getPath() :
            space.getDefaultSpec().getPath() != null ? space.getDefaultSpec().getPath() :
                    defaultProperties.contains(LoggingSystemProperties.LOG_PATH)
                            ? defaultProperties.getProperty(LoggingSystemProperties.LOG_PATH) :
                            DEFAULT_PATH;
    path = patterns.resolvePlaceholders(path);
    String file = space.getSpec().getFile() != null
            ? fileName(space.getSpec().getFile()) : fileName(space.getName());
    file = patterns.resolvePlaceholders(file);
    appender.setFile(path + "/" + file);
    setRollingPolicy(appender, space, path, file);

    //  threshold config
    ThresholdFilter thresholdFilter = new ThresholdFilter();
    if (space.getSpec().getThreshold() != null) {
        thresholdFilter.setLevel(space.getSpec().getThreshold());
        start(thresholdFilter);
        appender.addFilter(thresholdFilter);
    }

    appender("SPACE-" + space.getName(), appender);
    return appender;
}
 

/**
 * Create an appender that will roll over based on size
 *
 * @param context
 * @param encoder
 * @return An appender that matches the set up of the logger builder
 */
private RollingFileAppender<ILoggingEvent> createLogAppender(
    LoggerContext context, Encoder<ILoggingEvent> encoder) {
  RollingFileAppender<ILoggingEvent> appender = new RollingFileAppender<>();
  appender.setEncoder(encoder);
  appender.setFile(file);

  FixedWindowRollingPolicy rolling = new FixedWindowRollingPolicy();
  rolling.setParent(appender);
  rolling.setContext(context);

  // Set the maximum number of logs, either to the user specified setting or default to 1
  rolling.setMinIndex(1);
  if (maxNumberLogs.isPresent() && maxNumberLogs.get() >= 0) {
    rolling.setMaxIndex(maxNumberLogs.get());
  } else {
    rolling.setMaxIndex(1);
  }
  rolling.setFileNamePattern(getFileWithPattern("%i"));

  // Configure size based rolling
  SizeBasedTriggeringPolicy<ILoggingEvent> trigger = new SizeBasedTriggeringPolicy<>();
  trigger.setMaxFileSize(getMaxFileSize());
  trigger.setContext(context);

  rolling.start();
  trigger.start();
  appender.setRollingPolicy(rolling);
  appender.setTriggeringPolicy(trigger);

  return appender;
}
 

/**
 * Create an appender that will create a new log each day
 *
 * @param context
 * @param encoder
 * @return An appender that matches the set up of the logger builder
 */
private RollingFileAppender<ILoggingEvent> createDailyLogAppender(
    LoggerContext context, Encoder<ILoggingEvent> encoder) {
  RollingFileAppender<ILoggingEvent> appender = new RollingFileAppender<>();
  appender.setEncoder(encoder);
  appender.setFile(file);

  TimeBasedRollingPolicy<ILoggingEvent> rolling = new TimeBasedRollingPolicy<>();
  rolling.setContext(context);
  rolling.setParent(appender);

  rolling.setFileNamePattern(getFileWithPattern("%d"));

  // Set the maximum number of logs, either to the user specified setting or default to 1
  if (maxNumberLogs.isPresent() && maxNumberLogs.get() >= 0) {
    rolling.setMaxHistory(maxNumberLogs.get());
  } else {
    rolling.setMaxHistory(1);
  }

  // Do we need to also split files by size?
  if (divideBasedOnSize()) {
    SizeAndTimeBasedFNATP<ILoggingEvent> sizeBased = new SizeAndTimeBasedFNATP<>();
    sizeBased.setContext(context);
    sizeBased.setMaxFileSize(getMaxFileSize());
    sizeBased.setTimeBasedRollingPolicy(rolling);

    rolling.setTimeBasedFileNamingAndTriggeringPolicy(sizeBased);
  }

  rolling.start();
  if (rolling.getTimeBasedFileNamingAndTriggeringPolicy() != null) {
    rolling.getTimeBasedFileNamingAndTriggeringPolicy().start();
  }
  appender.setRollingPolicy(rolling);

  return appender;
}
 

/**
 * Initializer logback
 * 
 * @param file
 * @param level
 * @param maxHistory
 */
private void doInitializer(String file, String level, int maxHistory) {
	LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
	Logger rootLogger = loggerContext.getLogger(Logger.ROOT_LOGGER_NAME);
	rootLogger.detachAndStopAllAppenders();

	// appender
	RollingFileAppender<ILoggingEvent> fileAppender = new RollingFileAppender<ILoggingEvent>();
	fileAppender.setContext(loggerContext);
	fileAppender.setName("application");
	fileAppender.setFile(file);
	fileAppender.setAppend(true);

	// policy
	TimeBasedRollingPolicy<ILoggingEvent> policy = new TimeBasedRollingPolicy<ILoggingEvent>();
	policy.setContext(loggerContext);
	policy.setMaxHistory(maxHistory);
	policy.setFileNamePattern(file + ".%d{yyyy-MM-dd}");
	policy.setParent(fileAppender);
	policy.start();
	fileAppender.setRollingPolicy(policy);

	// encoder
	PatternLayoutEncoder encoder = new PatternLayoutEncoder();
	encoder.setContext(loggerContext);
	encoder.setPattern("%date [%thread] %-5level %logger (%file:%line\\) - %msg%n");
	encoder.start();
	fileAppender.setEncoder(encoder);
	
	fileAppender.start();

	rootLogger.addAppender(fileAppender);
	rootLogger.setLevel(Level.toLevel(level));
	rootLogger.setAdditive(false);
}
 

/**
 * Initializer logback
 *
 * @param file       log file
 * @param level      log level
 * @param maxHistory max history
 */
private void doInitializer(String file, String level, int maxHistory) {
    LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
    Logger rootLogger = loggerContext.getLogger(Logger.ROOT_LOGGER_NAME);
    rootLogger.detachAndStopAllAppenders();

    // appender
    RollingFileAppender<ILoggingEvent> fileAppender = new RollingFileAppender<>();
    fileAppender.setContext(loggerContext);
    fileAppender.setName("application");
    fileAppender.setFile(file);
    fileAppender.setAppend(true);

    // policy
    TimeBasedRollingPolicy<ILoggingEvent> policy = new TimeBasedRollingPolicy<>();
    policy.setContext(loggerContext);
    policy.setMaxHistory(maxHistory);
    policy.setFileNamePattern(file + ".%d{yyyy-MM-dd}");
    policy.setParent(fileAppender);
    policy.start();
    fileAppender.setRollingPolicy(policy);

    // encoder
    PatternLayoutEncoder encoder = new PatternLayoutEncoder();
    encoder.setContext(loggerContext);
    encoder.setPattern("%date [%thread] %-5level %logger (%file:%line\\) - %msg%n");
    encoder.start();
    fileAppender.setEncoder(encoder);

    fileAppender.start();

    rootLogger.addAppender(fileAppender);
    rootLogger.setLevel(Level.toLevel(level));
    rootLogger.setAdditive(false);
}
 

@Override
public void setAppender(Appender<?> appender) {
	super.setAppender(appender);
	if (appender instanceof RollingFileAppender) {
		RollingPolicy rp = ((RollingFileAppender<?>) appender).getRollingPolicy();
		if (rp instanceof TimeBasedRollingPolicy) {
			fileNamePattern = ((TimeBasedRollingPolicy) rp).getFileNamePattern();
		} else {
			throw new UnsupportedOperationException("Must be TimeBasedRollingPolicy!");
		}
	} else {
		throw new RuntimeException("MultipleFileLogReader appender must be an instance of RollingFileAppender!");
	}
}
 

@Test
public void testCreateRollingFileAppenderNonDailyRolling()
{
    when(_settings.isRollDaily()).thenReturn(Boolean.FALSE);
    when(_settings.isCompressOldFiles()).thenReturn(Boolean.FALSE);

    RollingFileAppender<ILoggingEvent> appender = new RollingFileAppender<>();
    AppenderUtils.configureRollingFileAppender(_settings, new LoggerContext(), appender);

    assertEquals("Unexpected appender file name", _testLogFileName, appender.getFile());

    RollingPolicy rollingPolicy = appender.getRollingPolicy();
    final boolean condition2 = rollingPolicy instanceof RollingPolicyDecorator;
    assertTrue("Unexpected rolling policy", condition2);
    rollingPolicy = ((RollingPolicyDecorator)rollingPolicy).getDecorated();
    final boolean condition1 = rollingPolicy instanceof AppenderUtils.SimpleRollingPolicy;
    assertTrue("Unexpected decorated rolling policy", condition1);
    assertEquals("Unexpected max history",
                        (long) MAX_HISTORY,
                        (long) ((AppenderUtils.SimpleRollingPolicy) rollingPolicy).getMaxIndex());
    assertEquals("Unexpected file name pattern",
                        _testLogFileName + ".%i",
                        ((AppenderUtils.SimpleRollingPolicy) rollingPolicy).getFileNamePattern());
    assertEquals("Unexpected compression mode", CompressionMode.NONE, rollingPolicy.getCompressionMode());

    TriggeringPolicy triggeringPolicy = appender.getTriggeringPolicy();
    assertEquals("Unexpected triggering policy",
                        String.valueOf(MAX_FILE_SIZE) + " MB",
                        ((AppenderUtils.SizeTriggeringPolicy) triggeringPolicy).getMaxFileSize().toString());

    Encoder encoder = appender.getEncoder();
    final boolean condition = encoder instanceof PatternLayoutEncoder;
    assertTrue("Unexpected encoder", condition);
    assertEquals("Unexpected layout pattern", LAYOUT, ((PatternLayoutEncoder)encoder).getPattern());
}
 

@Test
public void testCreateRollingFileAppenderDailyRolling()
{
    final RollingFileAppender<ILoggingEvent> appender = new RollingFileAppender<>();
    AppenderUtils.configureRollingFileAppender(_settings, new LoggerContext(), appender);

    assertEquals("Unexpected appender file name", _testLogFileName, appender.getFile());

    RollingPolicy rollingPolicy = appender.getRollingPolicy();
    final boolean condition2 = rollingPolicy instanceof RollingPolicyDecorator;
    assertTrue("Unexpected rolling policy", condition2);
    rollingPolicy = ((RollingPolicyDecorator)rollingPolicy).getDecorated();
    final boolean condition1 = rollingPolicy instanceof TimeBasedRollingPolicy;
    assertTrue("Unexpected decorated rolling policy", condition1);
    assertEquals("Unexpected max history",
                        (long) MAX_HISTORY,
                        (long) ((TimeBasedRollingPolicy) rollingPolicy).getMaxHistory());

    assertEquals("Unexpected file name pattern",
                        _testLogFileName + ".%d{yyyy-MM-dd}.%i.gz",
                        ((TimeBasedRollingPolicy) rollingPolicy).getFileNamePattern());

    assertEquals("Unexpected compression mode", CompressionMode.GZ, rollingPolicy.getCompressionMode());

    TriggeringPolicy triggeringPolicy = ((TimeBasedRollingPolicy) rollingPolicy).getTimeBasedFileNamingAndTriggeringPolicy();
    final boolean condition = triggeringPolicy instanceof AppenderUtils.DailyTriggeringPolicy;
    assertTrue("Unexpected triggering policy", condition);
    assertEquals("Unexpected triggering policy",
                        String.valueOf(MAX_FILE_SIZE) + " MB",
                        ((AppenderUtils.DailyTriggeringPolicy) triggeringPolicy).getMaxFileSize().toString());
    assertEquals("Unexpected layout", LAYOUT, ((PatternLayoutEncoder) appender.getEncoder()).getPattern());
}
 

@Override
protected Appender<ILoggingEvent> createAppenderInstance(Context loggerContext)
{
    final RollingFileAppender<ILoggingEvent> appender = new RollingFileAppender<>();
    AppenderUtils.configureRollingFileAppender(this, loggerContext, appender);
    return appender;
}