AdvancedUtils.java

package com.w67clement.mineapi.utils;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.net.InetSocketAddress;
import java.net.Socket;

public class AdvancedUtils
{

    /**
     * Method for getting a server data
     *
     * @param ip   IP address of the target server.
     * @param port Port of the target server.
     *
     * @return Data given by the server.
     *
     * @author Master
     */
    public static String[] getServerData(String ip, int port)
    {
        String[] data;
        try
        {
            Socket socket = new Socket();
            socket.connect(new InetSocketAddress(ip, port), 5);
            DataOutputStream out = new DataOutputStream(socket.getOutputStream());
            DataInputStream in = new DataInputStream(socket.getInputStream());

            out.write(0xFE);

            StringBuilder sb = new StringBuilder();
            int b;
            while ((b = in.read()) != -1)
            {
                if (b != 0 && b > 16 && b != 255 && b != 23 && b != 24)
                {
                    sb.append((char) b);
                }
            }

            data = sb.toString().split("§");
            socket.close();
        }
        catch (Exception e)
        {
            data = new String[]{"Server down.", "Down.", "Down."};
        }
        return data;
    }

    public static String getServerStatus(String ip, int port)
    {
        String c;
        String[] data = getServerData(ip, port);
        if (data[1].equals("Down.") && data[2].equals("Down."))
        {
            c = "Down.";
        }
        else
        {
            c = data[1] + "/" + data[2];
        }
        return c;
    }

    /**
     * Gets the motd of an minecraft server.
     *
     * @param ip   Ip of the server.
     * @param port Port of the server.
     *
     * @return The motd! And if the server was down, return: "Server down."
     */
    public static String getServerMotd(String ip, int port)
    {
        return getServerData(ip, port)[0];
    }
}