IRC Bot Server

package com.bbw2.ircBot;;

import javax.swing.*;
import java.io.*;
import java.net.Socket;

/**
 * Created on 10/14/2015.
 */
public class Server {
    private String serverName, nick, login, pass;
    private Channel[] channels;
    private Socket socket;
    private BufferedWriter writer;
    private BufferedReader reader;

    private JTabbedPane serverTabs;

    public Server(String serverName, String nick, String login, String pass, Channel... channels){
        this.serverName = serverName;
        this.nick = nick;
        this.login = login;
        this.pass = pass;
        this.channels = channels;

        this.serverTabs = new JTabbedPane();
    }

    public JTabbedPane getServerTabs() {return serverTabs;}
    public String getServerName() {return serverName;}

    public void init() throws IOException {
        socket = new Socket(serverName,6667);
        writer = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
        reader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
    }

    public boolean start() throws IOException {
        writer.write("NICK " + nick + "\r\n");
        writer.write("USER " + login + " . . .\r\n");
        writer.flush();

        String line;
        while ((line = reader.readLine()) != null){
            System.out.println(line);
            if (line.startsWith("PING ")){
                writer.write("PONG " + line.substring(5) + "\r\n");
                writer.flush();
            } else if (line.contains("004")){
                if (pass!=null) {
                    writer.write("PRIVMSG NickServ IDENTIFY " + pass);
                    writer.flush();
                }
                return true;
            } else if (line.contains("443")){
                System.out.println("Nick already in use.");
                return false;
            }
        }

        return false;
    }

    public void joinChannels() throws IOException {
        for (Channel channel : channels) {
            channel.setServer(this);
            writer.write("JOIN " + channel.getChannelName() + "\r\n");
        }
        writer.flush();

        String line;
        Bot bot = new Bot(this);
        while ((line = reader.readLine())!=null){
            if (line.startsWith("PING ")){
                writer.write("PONG " + line.substring(5) + "\r\n");
                writer.flush();
            } else {
                System.out.println(line);

                String[] split0 = line.split(":");
                String[] split1 = split0[1].split(" ");
                String code = split1[1];

                if (!"005 251 252 254 255 265 266 353 366 372 375 376 NOTICE MODE JOIN".contains(code) && !code.contains(" "))
                    bot.translate(line);

            }
        }
    }

    public String getNick() {
        return nick;
    }

    public Channel[] getChannels() {return channels;}
    public BufferedWriter getWriter() {return writer;}
}