public static String parseToHtmlHexadecimal(String input) {
    return parseToHtmlHexadecimal(input, FitzpatrickAction.PARSE);
  }
See {@link #parseToHtmlHexadecimal(String, FitzpatrickAction)} with the
action "PARSE"

@param input the string to parse

@return the string with the emojis replaced by their html hex
representation.
src/main/java/com/vdurmont/emoji/EmojiParser.java