CIS457 - IPFinder2.java

IPFinder2.java

package com.github.seitensei;

import java.net.*;
import java.io.*;

public class IPFinder2 {

    public static void main(String[] args) throws IOException {

        // Get name and IP address of local host
        try {
            InetAddress address = InetAddress.getLocalHost();
            System.out.println("Local Hostname and its IP address: " 
                    + address.getHostName() + "/" + address.getHostAddress());
            System.out.println("Local Host Address:");
            System.out.println("\t" + address.getHostAddress());
            System.out.println("Local Host Name:");
            System.out.println("\t" + address.getHostName());
        } catch (UnknownHostException e) {
            System.out.println("Unable to determine this host's address");
        }
        // Get Host and IP for CLI arguments
        for (String s: args) {
            try {
                System.out.println(s + ":");
                InetAddress[] addressList = InetAddress.getAllByName(s);
                System.out.println("\t" + addressList[0].getHostName());
                for (int j = 0; j < addressList.length; j++) {
                    System.out.println("\t" + addressList[j].getHostAddress());
                }
            } catch (UnknownHostException e) {
                System.out.println("\tUnable to find address");
            }
        }
    }
}