inet address example(socket)

2014-11-24 09:44:06 · 作者: · 浏览: 0
package com.opensource.socket;
import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.Enumeration;
public class InetAddressExample
{
/**
* @param args
*/
public static void main(String[] args)
{
try
{
Enumeration interfaceList = NetworkInterface.getNetworkInterfaces();
if (interfaceList == null)
{
System.out.println("no interfaces found.");
}
else
{
while (interfaceList.hasMoreElements())
{
NetworkInterface iface = interfaceList.nextElement();
System.out.println("Interface:" + iface.getName());
Enumeration addrList = iface.getInetAddresses();
if (!addrList.hasMoreElements())
{
System.out.println("no address for this interface.");
}
while (addrList.hasMoreElements())
{
InetAddress address = addrList.nextElement();
System.out.print("\tAddress "
+ ((address instanceof Inet4Address "(v4)" : (address instanceof Inet6Address "(v6)"
: "( )"))));
System.out.println(": " + address.getHostAddress());
}
}
}
}
catch (SocketException e)
{
System.out.println("SocketException:" + e);
}
for (String host : args)
{
try
{
System.out.println(host + ":");
InetAddress[] addressList = InetAddress.getAllByName(host);
for (InetAddress address : addressList)
{
System.out.println("\t" + address.getHostName() + "/" + address.getHostAddress());
}
}
catch (UnknownHostException e)
{
System.out.println("UnknownHostException:" + e);
}
}
}
}