Java Code Examples for org.apache.log4j.Category#getLevel()

protected
void printOptions(PrintWriter out, Category cat) {
  Enumeration appenders = cat.getAllAppenders();
  Level prio = cat.getLevel();
  String appenderString = (prio == null ? "" : prio.toString());
  
  while (appenders.hasMoreElements()) {
    Appender app = (Appender) appenders.nextElement();
    String name;
    
    if ((name = (String) appenderNames.get(app)) == null) {
    
      // first assign name to the appender
      if ((name = app.getName()) == null || isGenAppName(name)) {
          name = genAppName();
      }
      appenderNames.put(app, name);
      
      printOptions(out, app, "log4j.appender."+name);
      if (app.getLayout() != null) {
        printOptions(out, app.getLayout(), "log4j.appender."+name+".layout");
      }
    }
    appenderString += ", " + name;
  }
  String catKey = (cat == Logger.getRootLogger())
      ? "log4j.rootLogger"
      : "log4j.logger." + cat.getName();
  if (appenderString != "") {
    out.println(catKey + "=" + appenderString);
  }
  if (!cat.getAdditivity() && cat != Logger.getRootLogger()) {
  	out.println("log4j.additivity." + cat.getName() + "=false");    
  }
}
 

@Test
public void testParentLevel()
{
  org.apache.log4j.Logger log4jLogger = LogManager.getLogger("com.datatorrent.stram.util.Unknown");
  assertNull(log4jLogger.getLevel());
  Category parent = log4jLogger.getParent();
  while (parent.getLevel() == null) {
    parent = parent.getParent();
  }
  assertSame(log4jLogger.getEffectiveLevel(), parent.getLevel());
}
 

private String getLoggerLevel(Category logger) {
  if (null == logger) {
    return StringUtils.EMPTY;
  }
  Level level = logger.getLevel();
  if (null != level) {
    return level.toString();
  } else {
    return getLoggerLevel(logger.getParent());
  }
}
 

/**
 * We will try to find if a DB appender has been configured on the local system
 * 
 * @param customLogLevel log level specified in the test ( or use AgentConfigurationLandscape.getInstance(atsAgent).getDbLogLevel() )
 * @param chunkSize chunk size (for batch db logging) specified in the test ( or use AgentConfigurationLandscape.getInstance(atsAgent).getChunkSize() )
 */
@SuppressWarnings( "unchecked")
public RemoteLoggingConfigurator( LogLevel customLogLevel, int chunkSize ) {

    /*
     * This code is run on:
     *  - Test Executor side prior to calling an agent for first time in this testcase
     *  - Agent side prior to calling another chained agent for first time in this testcase 
     * 
     * we use this code to remember the logging configuration which we will pass to some agent
     */

    // look for the DB appender
    Category log = Logger.getLogger("com.axway.ats");
    boolean dbAppenderIsProcessed = false;
    while (log != null && !dbAppenderIsProcessed) {

        Enumeration<Appender> appenders = log.getAllAppenders();
        while (appenders.hasMoreElements()) {
            Appender appender = appenders.nextElement();

            if (appender.getClass() == ActiveDbAppender.class // running on Test Executor side
                || appender.getClass() == PassiveDbAppender.class // running on Agent side 
            ) {
                //we found the appender, read all properties
                appenderConfiguration = ((AbstractDbAppender) appender).getAppenderConfig();
                if (chunkSize > 0) {
                    // should a warning be logged here if the chunk size is not valid?
                    appenderConfiguration.setChunkSize(chunkSize + "");
                }
                appenderLogger = log.getName();

                int atsDbLogLevel = DEFAULT_LOG_LEVEL;
                if (customLogLevel != null) {
                    // user specified in the test the log level for this agent
                    atsDbLogLevel = customLogLevel.toInt();
                } else if (log.getLevel() != null) {
                    // user specified the log level in log4j configuration file
                    atsDbLogLevel = log.getLevel().toInt();

                }

                //set the effective logging level for threshold if new one is set
                if (appenderConfiguration.getLoggingThreshold() == null
                    || appenderConfiguration.getLoggingThreshold().toInt() != atsDbLogLevel) {

                    /*
                     * Log4j is deprecating the Priority class used by setLoggingThreshold,
                     * but we cannot make an instance of this class as its constructor is not public.
                     * 
                     * So here we first change the log level on the Test Executor,
                     * then get the Priority object, then restore back the value on the Test Executor
                     */
                    final Level currentLevelBackup = log.getLevel();
                    log.setLevel(Level.toLevel(atsDbLogLevel));
                    appenderConfiguration.setLoggingThreshold(log.getEffectiveLevel());
                    log.setLevel(currentLevelBackup);
                }

                //exit the loop
                dbAppenderIsProcessed = true;
                break;
            }
        }

        log = log.getParent();
    }

    // look for any user loggers
    Enumeration<Logger> allLoggers = Logger.getRootLogger().getLoggerRepository().getCurrentLoggers();
    while (allLoggers.hasMoreElements()) {
        Logger logger = allLoggers.nextElement();

        Level level = logger.getLevel();
        if (level != null) {
            // user explicitly specified a level for this logger
            otherLoggerLevels.put(logger.getName(), level.toInt());
        }
    }
}