if (config == null) {
if (config == null)
    private Properties getConfig() {        final Properties config;                /* Validate config */        try {            config = (Properties) getServletContext().getAttribute(RequestUtil.PROP_CONFIG);        } catch (ClassCastException e) {            throw new IllegalStateException("Config is not correctly set in context.");        }        if (config == null) {            throw new IllegalStateException("Config is not set in context.");        }        return config;    }