!7

p {

  S url = "http://smartbot.botcompany.de/json/relations/is+a+standard+answer+to";

  S hostname = hostNameFromURL(url), subURL = new URL(url).getFile();

  int port = 80;

  S method = "HEAD"; //"GET";

  Socket socket = new Socket(hostname, port);

  BufferedReader reader = null;

  PrintWriter writer = null;

  try {

    writer = new PrintWriter(new OutputStreamWriter(socket.getOutputStream(), "ASCII"));

    httpPrintlnVerbose(writer, method + " " + subURL + " HTTP/1.1");

    httpPrintlnVerbose(writer, "Host: " + hostname);

    httpPrintlnVerbose(writer, "Accept: */*");

    httpPrintlnVerbose(writer, "User-Agent: Java"); // Be honest.

    httpPrintlnVerbose(writer, "X-No-Cookies: 1");

    httpPrintlnVerbose(writer, ""); // Important, else the server will expect that there's more into the request.

    writer.flush();

    print("Sent request");

    reader = new BufferedReader(new InputStreamReader(socket.getInputStream(), "ASCII"));

    new L<S> lines;

    for (String line; (line = reader.readLine()) != null;) {

      if (line.isEmpty()) break; // Stop when headers are completed. We're not interested in all the HTML.

      print("> " + line);

      lines.add(line);

    }

    S s = first(lines);

    int returnCode = parseFirstInt(substring(s, smartIndexOf(s, ' ')));

    print("Got headers, return code: " + returnCode);

 } finally {

    if (reader != null) pcall { reader.close(); }

    if (writer != null) pcall { writer.close(); }

    if (socket != null) pcall { socket.close(); }

  }

}