docx4j-html-replacement

docx4j-html-replacement

    /**
     * Traverse a list of JAXB objects (eg. document.xml's document/body children), retrieve the w:p elements
     * and run replacements on them according to the supplied map of identifiers and data
     * @param mainPart the main document part
     * @param replacements a map with an identifier as key and a list of paragraphs to replace the found one with
     */
    private static void runReplacements(final MainDocumentPart mainPart, final Map<String, List<Object>> replacements) {
        Preconditions.checkNotNull(mainPart, "the supplied main doc part may not be null!");
        Preconditions.checkNotNull(replacements, "replacements may not be null!");

        // look for all P elements in the specified object
        final List<P> paragraphs = Lists.newArrayList();
        new TraversalUtil(mainPart, new TraversalUtil.CallbackImpl() {
            @Override
            public List<Object> apply(Object o) {
                if (o instanceof P) {
                    paragraphs.add((P) o);
                }

                return null;
            }
        });

        // run through all found paragraphs to located identifiers
        for (final P paragraph : paragraphs) {
            // check if this is one of our identifiers
            final StringWriter paragraphText = new StringWriter();
            try {
                TextUtils.extractText(paragraph, paragraphText);
            } catch (Exception ex) {
                LOG.warning(Logger.EVENT_FAILURE, "failure while extracting text from w:p", ex);
            }

            final String identifier = paragraphText.toString();
            if (identifier != null && replacements.containsKey(identifier)) {
                final List<Object> listToModify;

                if (paragraph.getParent() instanceof Tc) {
                    // paragraph located in table-cell
                    final Tc parent = (Tc) paragraph.getParent();
                    listToModify = parent.getContent();
                } else {
                    // paragraph located in main document part
                    listToModify = mainPart.getContent();
                }

                if (listToModify != null) {
                    final int index = listToModify.indexOf(paragraph);
                    Preconditions.checkState(index > -1, "could not located the paragraph in the specified list!");

                    // remove the paragraph from it's current index
                    listToModify.remove(index);

                    // add the converted HTML paragraphs
                    listToModify.addAll(index, replacements.get(identifier));
                }
            }
        }
    }

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Thank you for shared this code! your saved my life! 😅

Glad it helped 😊