code: protected Map[] jsonMaps() {
          checkJsonContentType();
          try {
              return JsonHelper.toMaps(getRequestString());
          } catch (IOException e) {
              throw new WebException(e);
          }
      }
docs: Converts posted JSON maps to a Java Maps array. Example JSON map: <code>[{"name":"John", "age":21}, {"name":"Jane", "age":20}]</code>.
  
  @return Java Maps converted from posted JSON string maps.