IpUtils:
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import org.apache.commons.lang3.StringUtils;
import javax.servlet.http.HttpServletRequest;
public class IpUtils {
public static String getIpAddr(HttpServletRequest request) {
String unknown = "unknown";
String ip = null;
try {
// ip = request.getHeader("x-forwarded-for");
ip = request.getHeader("X-Real-IP");
if (StringUtils.isEmpty(ip) || unknown.equalsIgnoreCase(ip)) {
ip = request.getHeader("Proxy-Client-IP");
}
if (StringUtils.isEmpty(ip) || ip.length() == 0 || unknown.equalsIgnoreCase(ip)) {
ip = request.getHeader("WL-Proxy-Client-IP");
}
if (StringUtils.isEmpty(ip) || unknown.equalsIgnoreCase(ip)) {
ip = request.getHeader("HTTP_CLIENT_IP");
}
if (StringUtils.isEmpty(ip) || unknown.equalsIgnoreCase(ip)) {
ip = request.getHeader("HTTP_X_FORWARDED_FOR");
}
if (StringUtils.isEmpty(ip) || unknown.equalsIgnoreCase(ip)) {
ip = request.getRemoteAddr();
}
} catch (Exception e) {
e.printStackTrace();
}
return ip;
}
}