JavaServerSocket, listens to a port and sends the content of the given file

SocketBenchmark

package com.sigmoidanlytics;

import java.io.*;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.nio.ByteBuffer;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
import java.nio.file.Paths;

public class SocketBenchmark {

    public static void main(String[] args) {

        if(args.length != 3){
            System.out.println("Usage:\njava -jar benchmark.jar <input-text-file> <port> <io/nio>");
            System.exit(0);
        }

        try{
            if(args[2].equalsIgnoreCase("io")){
                System.out.println("Server IO initiating...");
                ServerSocket server = new ServerSocket(Integer.parseInt(args[1]));
                int i = 1;
                while(i != 0 ){

                    Socket sock = server.accept();
                    System.out.println("Server connected to client successfully");

                    PrintWriter out = new PrintWriter(sock.getOutputStream(), true);

                    System.out.println("Server initiating transfer - Timer starting");
                    long start = System.currentTimeMillis();
                    BufferedReader br = new BufferedReader(new FileReader(args[0]));
                    String line = "";
                    while ((line = br.readLine()) != null) {
                        // System.out.println(line);
                        out.write(line + "\n");
                        out.flush();
                    }

                    out.flush();
                    sock.close();

                    long end = System.currentTimeMillis();
                    System.out.println("Network IO transfer " + (Paths.get(args[0]).toFile().length()/1048576)  + " mb in "+(end-start)+" ms");

                }

                server.close();
            }else if(args[2].equalsIgnoreCase("nio")){

                System.out.println("Server NIO initiating...");
                ServerSocketChannel serverChan = ServerSocketChannel.open();
                serverChan.bind(new InetSocketAddress(Integer.parseInt(args[1])));

                int i = 1;
                while(i != 0 ){

                    SocketChannel chan = serverChan.accept();
                    chan.configureBlocking(false);
                    System.out.println("Server channel connected");
                    System.out.println("Server initiating transfer - Timer starting");
                    Long start = System.currentTimeMillis();

                    BufferedReader br = new BufferedReader(new FileReader(args[0]));
                    String line = "";
                    while ((line = br.readLine()) != null) {
                        // System.out.println(line);
                        chan.write(ByteBuffer.wrap((line + "\n").getBytes()));

                    }

                    chan.close();

                    Long end = System.currentTimeMillis();
                    System.out.println("Network IO transfer " + (Paths.get(args[0]).toFile().length()/1048576)  + " mb in "+(end-start)+" ms");

                }

                serverChan.close();

            }


        }catch(Exception e){
            System.out.println("Whoops!! => " + e);
        }


    }
}