package?com.sinontech.cring.pub.util;

import?java.net.InetAddress;
import?java.net.NetworkInterface;
import?java.net.SocketException;
import?java.util.ArrayList;
import?java.util.Collection;
import?java.util.Enumeration;
import?java.util.Iterator;
import?java.util.List;

import?javax.servlet.http.HttpServletRequest;

import?org.apache.log4j.Logger;

public?class?IPUtils
{
??private?static?Logger?logger?=?Logger.getLogger（IPUtils.class）;

??public?static?Collection?getAllHostInetAddress（）
??{
????try
????{
??????Enumeration?networkInterfaces?=?NetworkInterface.getNetworkInterfaces（）;
??????Collection?addresses?=?new?ArrayList（）;

??????while?（（networkInterfaces?!=?null）?&&?
????????（networkInterfaces.hasMoreElements（）））?{
????????NetworkInterface?networkInterfac