Java Code Examples for ch.qos.logback.core.FileAppender#setAppend()

/**
 * Start a specific file logging, typically for the processing of a given book.
 *
 * @param name      appender name (typically the book radix)
 * @param logFolder target folder where the log file is to be written
 */
public static void addAppender (String name,
                                Path logFolder)
{
    LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
    Logger root = (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(
            Logger.ROOT_LOGGER_NAME);
    FileAppender fileAppender = new FileAppender();
    PatternLayoutEncoder fileEncoder = new PatternLayoutEncoder();
    fileAppender.setName(name);
    fileAppender.setContext(loggerContext);
    fileAppender.setAppend(false);

    String now = new SimpleDateFormat("yyyyMMdd'T'HHmm").format(new Date());
    Path logFile = logFolder.resolve(name + "-" + now + ".log");
    fileAppender.setFile(logFile.toAbsolutePath().toString());
    fileEncoder.setContext(loggerContext);
    fileEncoder.setPattern("%date %level [%X{BOOK}%X{SHEET}] %25file:%-4line | %msg%n%ex");
    fileEncoder.start();
    fileAppender.setEncoder(fileEncoder);
    fileAppender.start();
    root.addAppender(fileAppender);
}
 

/**
 * Add a specific appender meant for FILE.
 */
public static void addFileAppender ()
{
    LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
    Logger root = (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(
            Logger.ROOT_LOGGER_NAME);
    FileAppender fileAppender = new FileAppender();
    PatternLayoutEncoder fileEncoder = new PatternLayoutEncoder();
    fileAppender.setName("FILE");
    fileAppender.setContext(loggerContext);
    fileAppender.setAppend(false);

    String now = new SimpleDateFormat("yyyyMMdd'T'HHmmss").format(new Date());
    Path logPath = WellKnowns.LOG_FOLDER.resolve(now + ".log").toAbsolutePath();
    fileAppender.setFile(logPath.toString());
    fileEncoder.setContext(loggerContext);
    fileEncoder.setPattern(
            "%date %-5level [%X{BOOK}%X{SHEET}] %25replace(%file){'\\.java$',''} %-4line | %msg%n%ex");
    fileEncoder.start();
    fileAppender.setEncoder(fileEncoder);
    fileAppender.start();
    root.addAppender(fileAppender);

    initMessage("LogUtil. Logging to " + logPath);
}
 

public synchronized static void enableLogFile() {
  init();

  LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();

  PatternLayoutEncoder encoder = new PatternLayoutEncoder();
  encoder.setContext(context);
  encoder.setPattern(pattern);
  encoder.start();

  FileAppender<ILoggingEvent> file = new FileAppender<>();
  file.setContext(context);
  file.setAppend(true);
  file.setFile("mirror.log");
  file.setEncoder(encoder);
  file.start();
  getRootLogger().addAppender(file);
}
 

private static void setOutput(final String... paths) {
    LOG_ROOT.getLoggerContext().reset();

    final PatternLayoutEncoder encoder = new PatternLayoutEncoder();
    encoder.setPattern("%date %level [%thread] [%file:%line] %msg%n");
    encoder.setContext(LOG_ROOT.getLoggerContext());
    encoder.start();

    for (final String path : paths) {
        // create FileAppender
        final FileAppender<ILoggingEvent> logfileOut = new FileAppender<>();
        logfileOut.setAppend(false);
        logfileOut.setFile(path);
        logfileOut.setContext(LOG_ROOT.getLoggerContext());
        logfileOut.setEncoder(encoder);
        logfileOut.start();

        // attach the rolling file appender to the root logger
        LOG_ROOT.addAppender(logfileOut);
    }
}
 

protected FileAppender<ILoggingEvent> createNewAppender(String alias) {
    LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();

    PatternLayoutEncoder encoder = new PatternLayoutEncoder();
    encoder.setContext(context);
    encoder.setPattern(pattern);
    encoder.start();

    FileAppender<ILoggingEvent> appender = new FileAppender<ILoggingEvent>();
    appender.setAppend(true);
    appender.setFile(LOG_FOLDER + File.separator + alias + LOG_FILEEXT);
    appender.setEncoder(encoder);
    appender.setContext(context);
    appender.start();

    return appender;
}
 

public static OutputStreamAppender<ILoggingEvent> createFileAppender(Path path) {
	FileAppender<ILoggingEvent> fa = new FileAppender<ILoggingEvent>();
	fa.setFile(path.toString());
	fa.setAppend(true);
	fa.setName("FileLogger");
	return fa;
}
 

/**
 * Sets the file appender with the name of "FILE" if needed. If it's already been setup,
 * it would be ignored.
 */
public static void setAppendersForRunCommand(String serverId) {
    String logFilePath = new File(DirectoryFetcher.getCommandLogsDir(), serverId + ".log").getAbsolutePath();

    SysOutOverSLF4J.sendSystemOutAndErrToSLF4J();

    Logger rootLogger = (Logger) LoggerFactory.getLogger(ROOT_LOGGER);

    rootLogger.detachAndStopAllAppenders();

    ((Logger) LoggerFactory.getLogger("uk.org.lidalia")).setLevel(Level.INFO);
    ((Logger) LoggerFactory.getLogger("org.nd4j")).setLevel(Level.INFO);
    ((Logger) LoggerFactory.getLogger("org")).setLevel(Level.INFO);
    ((Logger) LoggerFactory.getLogger("io")).setLevel(Level.INFO);

    LoggerContext context = (LoggerContext) org.slf4j.LoggerFactory.getILoggerFactory();

    FileAppender<ILoggingEvent> fileAppender = new FileAppender<>();
    fileAppender.setName("FILE");
    fileAppender.setFile(logFilePath);
    fileAppender.setAppend(false);
    fileAppender.setContext(context);

    PatternLayoutEncoder patternLayoutEncoder = new PatternLayoutEncoder();
    patternLayoutEncoder.setPattern("%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n");
    patternLayoutEncoder.setContext(context);
    patternLayoutEncoder.start();

    fileAppender.setEncoder(patternLayoutEncoder);
    fileAppender.start();

    ConsoleAppender<ILoggingEvent> consoleAppender = new ConsoleAppender<>();
    consoleAppender.setName("CONSOLE");
    consoleAppender.setContext(context);
    consoleAppender.setEncoder(patternLayoutEncoder);
    consoleAppender.start();

    rootLogger.addAppender(fileAppender);
    rootLogger.addAppender(consoleAppender);

    log.info("Logging file at: {}", logFilePath);
}
 

public static FileAppender<ILoggingEvent> buildFileAppender(LoggingConfiguration.FileConfiguration file,
                                                            LoggerContext context,
                                                            String logFormat) {
    final LogFormatter formatter = new LogFormatter(context, file.getTimeZone());

    if (logFormat != null) {
        formatter.setPattern(logFormat);
    }
    formatter.start();

    final FileAppender<ILoggingEvent> appender =
            file.isArchive() ? new RollingFileAppender<ILoggingEvent>() :
                    new FileAppender<ILoggingEvent>();

    appender.setAppend(true);
    appender.setContext(context);
    appender.setLayout(formatter);
    appender.setFile(file.getCurrentLogFilename());
    appender.setPrudent(false);

    addThresholdFilter(appender, file.getThreshold());

    if (file.isArchive()) {

        final DefaultTimeBasedFileNamingAndTriggeringPolicy<ILoggingEvent> triggeringPolicy =
                new DefaultTimeBasedFileNamingAndTriggeringPolicy<ILoggingEvent>();
        triggeringPolicy.setContext(context);

        final TimeBasedRollingPolicy<ILoggingEvent> rollingPolicy = new TimeBasedRollingPolicy<ILoggingEvent>();
        rollingPolicy.setContext(context);
        rollingPolicy.setFileNamePattern(file.getArchivedLogFilenamePattern());
        rollingPolicy.setTimeBasedFileNamingAndTriggeringPolicy(triggeringPolicy);
        triggeringPolicy.setTimeBasedRollingPolicy(rollingPolicy);
        rollingPolicy.setMaxHistory(file.getArchivedFileCount());

        ((RollingFileAppender<ILoggingEvent>) appender).setRollingPolicy(rollingPolicy);
        ((RollingFileAppender<ILoggingEvent>) appender).setTriggeringPolicy(triggeringPolicy);

        rollingPolicy.setParent(appender);
        rollingPolicy.start();
    }

    appender.stop();
    appender.start();

    return appender;
}
 

public static FileAppender<ILoggingEvent> buildFileAppender(LoggingConfiguration.FileConfiguration file,
                                                            LoggerContext context,
                                                            String logFormat) {
    final LogFormatter formatter = new LogFormatter(context, file.getTimeZone());

    if (logFormat != null) {
        formatter.setPattern(logFormat);
    }
    formatter.start();

    final FileAppender<ILoggingEvent> appender =
            file.isArchive() ? new RollingFileAppender<ILoggingEvent>() :
                    new FileAppender<ILoggingEvent>();

    appender.setAppend(true);
    appender.setContext(context);
    appender.setLayout(formatter);
    appender.setFile(file.getCurrentLogFilename());
    appender.setPrudent(false);

    addThresholdFilter(appender, file.getThreshold());

    if (file.isArchive()) {

        final DefaultTimeBasedFileNamingAndTriggeringPolicy<ILoggingEvent> triggeringPolicy =
                new DefaultTimeBasedFileNamingAndTriggeringPolicy<ILoggingEvent>();
        triggeringPolicy.setContext(context);

        final TimeBasedRollingPolicy<ILoggingEvent> rollingPolicy = new TimeBasedRollingPolicy<ILoggingEvent>();
        rollingPolicy.setContext(context);
        rollingPolicy.setFileNamePattern(file.getArchivedLogFilenamePattern());
        rollingPolicy.setTimeBasedFileNamingAndTriggeringPolicy(triggeringPolicy);
        triggeringPolicy.setTimeBasedRollingPolicy(rollingPolicy);
        rollingPolicy.setMaxHistory(file.getArchivedFileCount());

        ((RollingFileAppender<ILoggingEvent>) appender).setRollingPolicy(rollingPolicy);
        ((RollingFileAppender<ILoggingEvent>) appender).setTriggeringPolicy(triggeringPolicy);

        rollingPolicy.setParent(appender);
        rollingPolicy.start();
    }

    appender.stop();
    appender.start();

    return appender;
}