package com.rockchip.alexa.jacky.socket;
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import java.util.ArrayList;
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import java.util.Enumeration;
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import java.util.List;
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import java.net.InetAddress;
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import java.net.Inet4Address;
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import java.net.NetworkInterface;
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import java.net.SocketException;
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/**
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* LocalNet类
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* @author Jacky.ge
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*
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*/
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public class LocalNet {
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/**
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* IceWee 2017.03.11
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* 获取本地IP列表（针对多网卡情况）
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*
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* @return
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*/
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private static List<String> getLocalIPList() {
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List<String> ipList = new ArrayList<String>();
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try {
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Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces();
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NetworkInterface networkInterface;
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Enumeration<InetAddress> inetAddresses;
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InetAddress inetAddress;
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String ip;
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while (networkInterfaces.hasMoreElements()) {
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networkInterface = networkInterfaces.nextElement();
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inetAddresses = networkInterface.getInetAddresses();
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while (inetAddresses.hasMoreElements()) {
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inetAddress = inetAddresses.nextElement();
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if (inetAddress != null && inetAddress instanceof Inet4Address) { // IPV4
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ip = inetAddress.getHostAddress();
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ipList.add(ip);
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}
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}
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}
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} catch (SocketException e) {
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e.printStackTrace();
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}
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return ipList;
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}
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/**
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* 获取本机的IP
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* @return Ip地址
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*/
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public static String getLocalIP() {
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List<String> ipList = getLocalIPList();
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if (ipList == null || ipList.size() == 0)
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return "127.0.0.1";
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String ip;
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int size = ipList.size();
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for (int i=0; i<size; i++) {
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ip = ipList.get(i);
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if (ip.length() > 0 && !ip.trim().equals("127.0.0.1")) {
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return ip;
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}
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}
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return "127.0.0.1";
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}
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}
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