java_socket

public void start_echo_server(int port){
    main.getProxy().getConsole().sendMessage(new TextComponent(ChatColor.GOLD + "STARTING SOCKET LISTENER (echo)"));

    int portNumber = port;
    try {
        ServerSocket serverSocket = new ServerSocket(portNumber);
        Socket clientSocket = serverSocket.accept();
        // accepted the connection
        main.getProxy().getConsole().sendMessage(new TextComponent(ChatColor.GOLD + "ACCEPTED"));
        // in stream
        BufferedReader in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
        // outstream
        PrintWriter out = new PrintWriter(clientSocket.getOutputStream(), true);

        String inputLine;
        StringBuilder sb = new StringBuilder();
        while ((inputLine = in.readLine()) != null) {
            sb.append(inputLine);
        }
        String final_line = sb.toString();
        main.getProxy().getConsole().sendMessage(new TextComponent(ChatColor.GOLD + "IN: " + final_line));
        //String final_ret = parser.parse_message(final_line);
        //main.getProxy().getConsole().sendMessage(new TextComponent(ChatColor.GOLD + "FINAL: " + final_ret));
        out.println(final_line);
        in.close();
        out.close();
        serverSocket.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}