LoggerUtils.java 文件源码

/**
 * This create log4j logger for OBS work flow using root logger.
 * It adds file appender with specified filename to the logger which creates separate
 * log file for each resource access tool.
 *
 * @param clazz
 * @param logFile String containing name of log file.
 * @return log4j Logger object
 */
@SuppressWarnings("unchecked")
public static Logger createOBSLogger(Class clazz) {

    Enumeration<Appender> appenders = Logger.getRootLogger()
            .getAllAppenders();
    // Add all appenders of root logger
    while (appenders.hasMoreElements()) {
        Appender appender = appenders.nextElement();

        //  For file appender create new appender with different log file
        if (appender instanceof DailyRollingFileAppender) {
            try {
                // Creates new file appender
                ((DailyRollingFileAppender) appender).setFile(FileParameters.obsLogFolder() + OBS_LOG_FILE);
                ((DailyRollingFileAppender) appender).activateOptions();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

    return Logger.getLogger(clazz);
}