Snippet to set param in logback.xml

logback.java

        try {
            LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
            JoranConfigurator jc = new JoranConfigurator();
            jc.setContext(context);
            context.reset();
            context.putProperty("WorkStationID", dateWeAreSendingFor);
            ClassLoader loader = main.class.getClassLoader();
            jc.doConfigure(loader.getResource("logback.xml"));
        } catch (JoranException ex) {
            logger.error("init logging failed", ex);
        }