code: public static List<String> getTextfileFromUrl(String _url, Charset _charset) {
          return getTextfileFromUrl(_url, _charset, false);
      }
docs: Retrives a text file from an given URL and reads the content with the given charset.
  Url could be remote (like http://) or local (file://)
  
  If protocol is not specified by "protocol://" (like "http://" or "file://"),
  "file://" is assumed.
  @param _url
  @param _charset
  @return fileContent as List or null if file is empty or an error occurred.