public static String getMainAppPath() {
        String currentEnvironment = ContextBean.getCurrent().getEnvironment();
        if (currentEnvironment.equalsIgnoreCase("PRODUCTION")) {
            return PROD_APP_PATH;
        } else if (currentEnvironment.equalsIgnoreCase("STAGING")) {
            return STAGING_APP_PATH;
        } else {
            return LOCAL_APP_PATH;
        }
    }
    public String getEnvironment() {
        if (null == environment) {
            FacesContext facesContext = FacesContext.getCurrentInstance();
            ExternalContext externalContext = facesContext.getExternalContext();
            String url = ((HttpServletRequest)externalContext.getRequest()).getRequestURL().toString();
            if (url.contains("prod.traxxeo.com"))
                environment = "PRODUCTION";
            else if (url.contains("staging.traxxeo.com"))
                environment = "STAGING";
            else
                environment = "LOCAL";
        }
        return environment;
    }

i mi vadi NPE naContextBean.getCurrent()