Examples with ILoggerFactory org.slf4j.ILoggerFactory used on opensource projects

Example 1 with ILoggerFactory

use of org.slf4j.ILoggerFactory in project weave by continuuity.

the class ServiceMain method configureLogger.

private void configureLogger() {
    // Check if SLF4J is bound to logback in the current environment
    ILoggerFactory loggerFactory = LoggerFactory.getILoggerFactory();
    if (!(loggerFactory instanceof LoggerContext)) {
        return;
    }
    LoggerContext context = (LoggerContext) loggerFactory;
    context.reset();
    JoranConfigurator configurator = new JoranConfigurator();
    configurator.setContext(context);
    try {
        File weaveLogback = new File(Constants.Files.LOGBACK_TEMPLATE);
        if (weaveLogback.exists()) {
            configurator.doConfigure(weaveLogback);
        }
        new ContextInitializer(context).autoConfig();
    } catch (JoranException e) {
        throw Throwables.propagate(e);
    }
    doConfigure(configurator, getLogConfig(getLoggerLevel(context.getLogger(Logger.ROOT_LOGGER_NAME))));
}

Example 2 with ILoggerFactory

use of org.slf4j.ILoggerFactory in project cdap by caskdata.

the class LogStageInjector method start.

/**
   * Hijacks the appenders for the root logger and replaces them with a {@link LogStageAppender} that will insert
   * the ETL stage name at the start of each message if the stage name is set. Uses {@link org.slf4j.MDC} to look up
   * the current stage name.
   */
public static void start() {
    if (!initialized.compareAndSet(false, true)) {
        return;
    }
    ILoggerFactory loggerFactory = LoggerFactory.getILoggerFactory();
    if (!(loggerFactory instanceof LoggerContext)) {
        LOG.warn("LoggerFactory is not a logback LoggerContext. Stage names will not be injected into log messages.");
        return;
    }
    LoggerContext loggerContext = (LoggerContext) loggerFactory;
    ch.qos.logback.classic.Logger rootLogger = loggerContext.getLogger(Logger.ROOT_LOGGER_NAME);
    List<Appender<ILoggingEvent>> appenders = new ArrayList<>();
    Iterator<Appender<ILoggingEvent>> appenderIterator = rootLogger.iteratorForAppenders();
    while (appenderIterator.hasNext()) {
        Appender<ILoggingEvent> appender = appenderIterator.next();
        // appender will have a different classloader than LogStageAppender...
        if (appender.getClass().getName().equals(LogStageAppender.class.getName())) {
            return;
        }
        appenders.add(appender);
    }
    Appender<ILoggingEvent> stageAppender = new LogStageAppender(appenders);
    stageAppender.setContext(loggerContext);
    stageAppender.start();
    rootLogger.addAppender(stageAppender);
    // To avoid duplicate messages, need to detach the original appenders
    for (Appender<ILoggingEvent> appender : appenders) {
        rootLogger.detachAppender(appender);
    }
}

Example 3 with ILoggerFactory

use of org.slf4j.ILoggerFactory in project weave by continuuity.

the class ServiceMain method doMain.

protected final void doMain(final ZKClientService zkClientService, final Service service) throws ExecutionException, InterruptedException {
    configureLogger();
    final String serviceName = service.toString();
    Runtime.getRuntime().addShutdownHook(new Thread() {

        @Override
        public void run() {
            Services.chainStop(service, zkClientService);
        }
    });
    // Listener for state changes of the service
    ListenableFuture<Service.State> completion = Services.getCompletionFuture(service);
    // Starts the service
    LOG.info("Starting service {}.", serviceName);
    Futures.getUnchecked(Services.chainStart(zkClientService, service));
    LOG.info("Service {} started.", serviceName);
    try {
        completion.get();
        LOG.info("Service {} completed.", serviceName);
    } catch (Throwable t) {
        LOG.warn("Exception thrown from service {}.", serviceName, t);
        throw Throwables.propagate(t);
    } finally {
        ILoggerFactory loggerFactory = LoggerFactory.getILoggerFactory();
        if (loggerFactory instanceof LoggerContext) {
            ((LoggerContext) loggerFactory).stop();
        }
    }
}

Example 4 with ILoggerFactory

use of org.slf4j.ILoggerFactory in project spring-boot by spring-projects.

the class LogbackLoggingSystem method getLoggerContext.

private LoggerContext getLoggerContext() {
    ILoggerFactory factory = StaticLoggerBinder.getSingleton().getLoggerFactory();
    Assert.isInstanceOf(LoggerContext.class, factory, String.format("LoggerFactory is not a Logback LoggerContext but Logback is on " + "the classpath. Either remove Logback or the competing " + "implementation (%s loaded from %s). If you are using " + "WebLogic you will need to add 'org.slf4j' to " + "prefer-application-packages in WEB-INF/weblogic.xml", factory.getClass(), getLocation(factory)));
    return (LoggerContext) factory;
}

Example 5 with ILoggerFactory

use of org.slf4j.ILoggerFactory in project spring-boot by spring-projects.

the class LogbackLoggingSystemTests method testBasicConfigLocation.

@Test
public void testBasicConfigLocation() throws Exception {
    this.loggingSystem.beforeInitialize();
    ILoggerFactory factory = StaticLoggerBinder.getSingleton().getLoggerFactory();
    LoggerContext context = (LoggerContext) factory;
    Logger root = context.getLogger(org.slf4j.Logger.ROOT_LOGGER_NAME);
    assertThat(root.getAppender("CONSOLE")).isNotNull();
}