1
14
15 package com.liferay.portal.kernel.util;
16
17 import com.liferay.portal.SystemException;
18
19 import java.net.Inet4Address;
20 import java.net.InetAddress;
21 import java.net.NetworkInterface;
22
23 import java.util.Enumeration;
24
25
31 public class InetAddressUtil {
32
33 public static InetAddress getLocalInetAddress() throws Exception {
34 Enumeration<NetworkInterface> enu1 =
35 NetworkInterface.getNetworkInterfaces();
36
37 while (enu1.hasMoreElements()) {
38 NetworkInterface networkInterface = enu1.nextElement();
39
40 Enumeration<InetAddress> enu2 =
41 networkInterface.getInetAddresses();
42
43 while (enu2.hasMoreElements()) {
44 InetAddress inetAddress = enu2.nextElement();
45
46 if (!inetAddress.isLoopbackAddress() &&
47 (inetAddress instanceof Inet4Address)) {
48
49 return inetAddress;
50 }
51 }
52 }
53
54 throw new SystemException("No local internet address");
55 }
56
57 }