iBench.java 文件源码

/**
 *  read log4j properties from user defined location or default location
 * @throws FileNotFoundException 
 */
public void reconfigLog() throws FileNotFoundException {
    File location = _configuration.getLogConfig();
    Level llevel = _configuration.loglevel;
    Logger.getRootLogger().removeAllAppenders();
    progressAndResultLog.setAdditivity(false);

    // user provided log location?
    if (location != null) {
        if (!location.exists())
        {
            System.err.printf("User provided log location does not exist: %s", location);
            System.exit(1);
        }
        PropertyConfigurator.configure(new FileInputStream(location));
        log.info("user has provided log level location: " +  location);
    }
    // user has given a global log level
    else if (llevel != null) {
        ConsoleAppender c = new ConsoleAppender();
        c.setLayout(new PatternLayout("%-4r [%t] %-5p %l - %m%n"));
        c.setThreshold(llevel);
        c.activateOptions();
        Logger.getRootLogger().addAppender(c);          

        log.info("user set log level to " + llevel.toString());
    }
    // do we have a log file at the default location
    else if (new File(LOG4JPROPERIES_DEFAULT_LOCATION).exists())
    {
        defaultLogPropertyFileConfig();
        log.info("use default log properties location " + LOG4JPROPERIES_DEFAULT_LOCATION);
    }
    // just set everything to error log level
    else {
        defaultLogConfig();
    }

    outputLog(llevel == null ? Level.INFO : llevel);    
}