code: public static UTF8StreamJsonParser newJsonParser(InputStream in, byte[] buf,
              int offset, int limit) throws IOException
      {
          return newJsonParser(in, buf, offset, limit, false,
                  new IOContext(DEFAULT_JSON_FACTORY._getBufferRecycler(), in,
                          false));
      }
docs: Creates a {@link UTF8StreamJsonParser} from the inputstream with the supplied buf {@code inBuffer} to use.