rabbitirc.RabbitIRC.java Source code

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Here is the source code for rabbitirc.RabbitIRC.java

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package rabbitirc;

import com.rabbitmq.client.AMQP;
import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Consumer;
import com.rabbitmq.client.DefaultConsumer;
import com.rabbitmq.client.Envelope;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.Scanner;
import java.util.concurrent.TimeoutException;
import java.util.regex.Pattern;

/**
 *
 * @author mhusainj
 */
public class RabbitIRC {
    private final static String EXCHANGE_NAME = "mhjIRC";
    //Hashtable<Integer, String> source = new Hashtable<Integer,String>(); 
    //HashMap<Integer, String> map = new HashMap(source);
    private static List<String> channellist = new ArrayList<>();
    private static String user;
    private static String[] usernamelist = { "lalala", "randomize", "fafafa", "anehkuz", "kuzma", "borma", "zip" };
    private String queueName;

    public static void main(String[] argv) throws java.io.IOException, TimeoutException {
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("localhost");
        Random rnd = new Random();
        int indeks = rnd.nextInt(usernamelist.length);
        String Randusername = usernamelist[indeks] + rnd.nextInt(100);

        user = Randusername;
        channellist.add("lounge");
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();
        String queueName = channel.queueDeclare().getQueue();
        channel.exchangeDeclare(EXCHANGE_NAME, "direct");

        Scanner sc = new Scanner(System.in);

        channel.queueBind(queueName, EXCHANGE_NAME, "lounge");
        channellist.add("lounge");
        Consumer consumer = new DefaultConsumer(channel) {
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                    byte[] body) throws IOException {
                String message = new String(body, "UTF-8");
                System.out.println(" [x] Received :'" + message + "'");
            }
        };
        System.out.println(" Welcome " + user + " to Channel lounge");
        System.out.println(" Queries: ");
        System.out.println(" 1. /NICK <Username>            : Change username ");
        System.out.println(" 2. /JOIN <Channel Name>        : Join Channel");
        System.out.println(" 3. @<Channel Name> <Message>   : Send message to Spesific Channel");
        System.out.println(" 4. /LEAVE <Channel Name>       : Leave Channel");
        System.out.println(" 5. <Random text>               : BroadCast");
        System.out.println(" 6. /EXIT                       : Exit App");
        while (true) {
            channel.basicConsume(queueName, true, consumer);
            String input = sc.nextLine();
            String[] query;
            if ((query = CommandRegexes.NICK.match(input)) != null) {
                String Nickname = query[0];
                user = Nickname;
                System.out.println(" [x] Your Nickname '" + Nickname + "'");

            } else if ((query = CommandRegexes.JOIN.match(input)) != null) {
                String channel_name = query[0];
                channel.queueBind(queueName, EXCHANGE_NAME, channel_name);
                channellist.add(channel_name);
                System.out.println(" [x] you had Join '" + channel_name + "'");

            } else if ((query = CommandRegexes.LEAVE.match(input)) != null) {
                String channel_name = query[0];
                if (channellist.contains(channel_name)) {
                    channellist.remove(channellist.indexOf(channel_name));
                    channel.queueUnbind(queueName, EXCHANGE_NAME, channel_name);
                    System.out.println(" [x] you had leave '" + channel_name);
                } else {
                    System.out.println(" [x] you're not in the channel " + channel_name);
                }
                System.out.println(" [x] you had leave '" + channel_name + "'");

            } else if (CommandRegexes.EXIT.match(input) != null) {
                channel.close();
                connection.close();
                break;

            } else if ((query = CommandRegexes.MESSAGE_CHANNEL.match(input)) != null) {
                String channel_name = query[0];
                if (channellist.contains(channel_name)) {
                    String message = "[" + channel_name + "] (" + user + ") " + query[1];
                    channel.basicPublish(EXCHANGE_NAME, channel_name, null, message.getBytes());
                    System.out.println(" [x] Sent '" + message + "'");
                    System.out.println(" : to '" + channel_name + "'");
                } else {
                    System.out.println(" [x] No Channel " + channel_name + " on your list");
                }
            } else {
                System.out.println(" [x] Broadcasting '" + input + "'");
                for (String channellist1 : channellist) {
                    String messages = "[" + channellist1 + "] (" + user + ") " + input;
                    channel.basicPublish(EXCHANGE_NAME, channellist1, null, messages.getBytes());
                }
                System.out.println(" [x] OK ;D");
            }
        }

    }

    private static String getMessage(String[] strings) {
        if (strings.length < 1)
            return "Hello World!";
        return joinStrings(strings, " ");
    }

    private static String joinStrings(String[] strings, String delimiter) {
        int length = strings.length;
        if (length == 0)
            return "";
        StringBuilder words = new StringBuilder(strings[0]);
        for (int i = 1; i < length; i++) {
            words.append(delimiter).append(strings[i]);
        }
        return words.toString();
    }

}