protected Boolean getBooleanParam(final FilterConfig filterConfig, final String name, final Boolean defaultValue) {
        val param = filterConfig.getInitParameter(name);
        final Boolean value;
        if (param != null) {
            value = Boolean.parseBoolean(param);
        } else {
            value = defaultValue;
        }
        logger.debug("Boolean param: {}: {}", name, value);
        return value;
    }
<p>getBooleanParam.</p>

@param filterConfig a {@link FilterConfig} object
@param name a {@link String} object
@param defaultValue a {@link Boolean} object
@return a {@link Boolean} object
pac4j-javaee/src/main/java/org/pac4j/jee/config/AbstractConfigFilter.java