http.gprog.js

var http = (function() {
  function asResponse(con){
    var d = read(con.inputStream);

    return d;
  }

  function read(inputStream){
    var inReader = new java.io.BufferedReader(new 
    java.io.InputStreamReader(inputStream));
    var inputLine;
    var response = new java.lang.StringBuffer();

    while ((inputLine = inReader.readLine()) != null) {
        response.append(inputLine);
    }

    inReader.close();
    return response.toString();
  }

  return function(theUrl, method = "GET"){
    var con = new java.net.URL(theUrl).openConnection();
    con.requestMethod = method;

    return asResponse(con);
  }
})()