cxf interceptor 如何获取post提交参数

 public void handleMessage(Message message) throws Fault {
        String authSource = PropertiesUtil.getProperty("authKey");
        if (message.get(message.HTTP_REQUEST_METHOD).equals("GET")) {

        } else if (message.get(message.HTTP_REQUEST_METHOD).equals("POST")) {
            InputStream is = message.getContent(InputStream.class);
            ？？？？
        }
｝