code: public static <E> Map<String, E> parseMap(InputStream is, Class<E> jsonObjectClass) throws IOException {
          return mapperFor(jsonObjectClass).parseMap(is);
      }
docs: Parse a map of objects from an InputStream.
  
  @param is The inputStream, most likely from your networking library.
  @param jsonObjectClass The @JsonObject class to parse the InputStream into