InterfaceGet!

GetInterfaceName.java

package GetIntName;

/**
 * Created with IntelliJ IDEA.
 * User: Yutaka Fujii
 * Date: 13/04/10
 * Time: 10:53
 * To change this template use File | Settings | File Templates.
 */

import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Enumeration;
import java.util.regex.Pattern;

public class GetInterfaceName {
    void getIntNames() throws SocketException {
        Enumeration enuIfs = NetworkInterface.getNetworkInterfaces();
        while (enuIfs.hasMoreElements()){
            NetworkInterface ni = (NetworkInterface)enuIfs.nextElement();

            Enumeration enuAddrs = ni.getInetAddresses();
                if(ni.getName().matches(Pattern.quote("eth3"))) {
                    while (enuAddrs.hasMoreElements()) {
                    InetAddress in4 = (InetAddress)enuAddrs.nextElement();
                        System.out.println("A: "+in4.getHostAddress()+"\n"+ni.getDisplayName());
                    }
                }
                if(ni.getName().matches(Pattern.quote("eth10"))) {
                    while (enuAddrs.hasMoreElements()) {
                    InetAddress in4 = (InetAddress)enuAddrs.nextElement();
                        System.out.println(ni.getDisplayName()+"\n"+"F: "+in4.getHostAddress());
                    }
                }
        }
    }
}

RunAreaStream.java

package GetIntName;

import javax.swing.*;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;
import java.net.SocketException;

/**
 * Created with IntelliJ IDEA.
 * User: Yutaka Fujii
 * Date: 13/04/10
 * Time: 15:53
 * To change this template use File | Settings | File Templates.
 */
public class RunAreaStream extends OutputStream {
    private JTextArea _area;
    private ByteArrayOutputStream _buf;

    public RunAreaStream(JTextArea area){
        _area = area;
        _buf = new ByteArrayOutputStream();
    }

    @Override
    public void write(int b)throws IOException {
        _buf.write(b);
    }

    @Override
    public void flush() throws IOException{
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                _area.append(_buf.toString());
                _buf.reset();
            }
        });
    }

    public static void main(String[] args) throws SocketException {
        JTextArea area = new JTextArea();
        area.setEditable(false);
        RunAreaStream stream = new RunAreaStream(area);
        System.setOut(new PrintStream(stream, true));

        JFrame frame = new JFrame();
        frame.getContentPane().add(area);
        frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
        frame.setLocation(0, 0);
        frame.setSize(350,100);
        frame.setVisible(true);

        GetInterfaceName gn = new GetInterfaceName();
        gn.getIntNames();
    }
}