private String getLocalhostIp(){

        String hostAddress = "";

        try {

            InetAddress address = InetAddress.getLocalHost();

            hostAddress = address.getHostAddress();

        } catch (UnknownHostException e) {

            e.printStackTrace();

        }

        return hostAddress;

    }

private String getRemoteAddr() {

        String ip ="";

        try {

            ip =request.getHeader("x-forwarded-for");

                if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {

                    ip = request.getHeader("Proxy-Client-IP");

                }

                if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {

                    ip = request.getHeader("WL-Proxy-Client-IP");

                }

                if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {

                    ip =request.getRemoteAddr();

                }

                return ip.split(",")[0];

        } catch (Exception e) {

            e.printStackTrace();

        }

        return ip;

    }

public String getIpAddr(){

        String ip = this.getRemoteAddr();

        if("".equals(ip)){

            ip = this.getLocalhostIp();

        }

        return ip;

    }