Java POI 操作Word上标

在实际业务中需要使用JAVA的POI对Word中一段话中的日期上标进行处理，在网上没有找到合适的轮子

   public void render(InputStream is, OutputStream os, HashMap<String, Object> data) {
        ZipSecureFile.setMinInflateRatio(-1.0d);
        log.debug("render docx...");
        try {
            ConfigureBuilder builder = Configure.builder();
            builder.buildGramer("«", "»");

            XWPFTemplate render = XWPFTemplate.compile(is, builder.build()).render(data);
            NiceXWPFDocument xwpfDocument = render.getXWPFDocument();
            List paras = xwpfDocument.getParagraphs();
            //处理上标问题
            String[] superArray = new String[]{"th", "nd", "st", "rd"};
            List superList = Arrays.asList(superArray);
            String reg = "[0-9](th|nd|st|rd)";
            Pattern pattern = Pattern.compile(reg);
            for (XWPFParagraph para : paras) {
                Matcher matcher = pattern.matcher(para.getText());
                List<HashMap<String, HashMap<String, Object>>> list = new ArrayList<>();
                String text = para.getText();
                List runs = para.getRuns();
                //获取样式
                HashMap<String, Object> style = new HashMap<>();
                for (XWPFRun run : runs) {
                    if (Objects.nonNull(run.getText(0))) {
                        style.put("fontFamily", run.getFontFamily());
                        style.put("bold", run.isBold());
                        style.put("fontSize", run.getFontSize() == -1 ? 12 : run.getFontSize());
                    }
                }
                int index = 0;
                String end = "";
                while (matcher.find()) {
                    String pre = matcher.group().substring(1);
                    end = text.substring(text.lastIndexOf(pre) + 2);
                    HashMap<String, HashMap<String, Object>> item = new HashMap<>();
                    String start = text.substring(index, text.indexOf(pre, index));
                    index = text.indexOf(pre, index) + 2;

                    item.put(start, style);
                    list.add(item);
                    HashMap<String, HashMap<String, Object>> ThItem = new HashMap<>();
                    ThItem.put(pre, style);
                    list.add(ThItem);
                }
                if (!end.isEmpty()) {
                    HashMap<String, HashMap<String, Object>> item = new HashMap<>();
                    item.put(end, style);
                    list.add(item);
                }
                if (list.size() > 0) {
                    //清空段落内容
                    for (XWPFRun run : runs) {
                        run.setText("", 0);
                    }
                    //填充段落内容
                    for (HashMap<String, HashMap<String, Object>> stringHashMapHashMap : list) {
                        for (Map.Entry<String, HashMap<String, Object>> stringHashMapEntry : stringHashMapHashMap.entrySet()) {
                            XWPFRun endRun = para.createRun();
                            endRun.setText(stringHashMapEntry.getKey());
                            endRun.setFontFamily((String) stringHashMapEntry.getValue().get("fontFamily"));
                            endRun.setFontSize((Integer) stringHashMapEntry.getValue().get("fontSize"));
                            endRun.setBold((Boolean) stringHashMapEntry.getValue().get("bold"));
                            if (superList.contains(stringHashMapEntry.getKey())) {
                                endRun.setSubscript(VerticalAlign.SUPERSCRIPT);
                            }
                        }
                    }
                }
            }
            xwpfDocument.write(os);
            // render.write(os);
            is.close();
            os.close();
        } catch (IOException e) {
            throw new ServiceException("render docx error：" + e.getMessage());
        }
        log.debug("render docx success...");
    }