Comment.java

    Map<String, Object> commentMap = (new JacksonJsonParser()).parseMap(commentStr);
        String textComment = String.valueOf(commentMap.get("text"));
        String htmlEscapedTextComment = HtmlUtils.htmlEscape(textComment);
        commentMap.put("text", htmlEscapedTextComment);
        try {
            commentStr = (new ObjectMapper()).writeValueAsString(commentMap);
        } catch (JsonProcessingException ignored) {

        }