@Override
    HttpServletRequest toHttpServletRequest(Object[] args) {
        HttpChannel channel = getArgument(args);
        if (channel != null) {
            return channel.getRequest();
        }
        return null;
    }
@author Taejin Koo
@author jaehong.kim
<p>
jetty-9.x
agent-module/plugins/jetty/src/main/java/com/navercorp/pinpoint/plugin/jetty/javax/interceptor/Jetty9xServerHandleInterceptor.java