com.aspose.words

Example:

public void replaceWithInsertHtml() throws Exception {
    // Open the document
    Document doc = new Document();
    DocumentBuilder builder = new DocumentBuilder(doc);

    builder.writeln("Hello <CustomerName>,");

    FindReplaceOptions options = new FindReplaceOptions();
    options.setReplacingCallback(new ReplaceWithHtmlEvaluator(options));

    doc.getRange().replace(Pattern.compile(" <CustomerName>,"), "", options);

    // Save the modified document
    doc.save(getArtifactsDir() + "Range.ReplaceWithInsertHtml.doc");

}

private class ReplaceWithHtmlEvaluator implements IReplacingCallback {
    ReplaceWithHtmlEvaluator(final FindReplaceOptions options) {
        mOptions = options;
    }

    /**
     * NOTE: This is a simplistic method that will only work well when the match
     * starts at the beginning of a run.
     */
    public int replacing(final ReplacingArgs e) throws Exception {
        DocumentBuilder builder = new DocumentBuilder((Document) e.getMatchNode().getDocument());
        builder.moveTo(e.getMatchNode());

        // Replace '<CustomerName>' text with a red bold name
        builder.insertHtml("<b><font color='red'>James Bond, </font></b>");
        e.setReplacement("");

        return ReplaceAction.REPLACE;
    }

    private FindReplaceOptions mOptions;
}

Example:

public void headerFooterOrder() throws Exception {
    Document doc = new Document(getMyDir() + "Header and footer types.docx");

    // Assert that we use special header and footer for the first page
    // The order for this: first header\footer, even header\footer, primary header\footer
    Section firstPageSection = doc.getFirstSection();
    Assert.assertEquals(firstPageSection.getPageSetup().getDifferentFirstPageHeaderFooter(), true);

    FindReplaceOptions options = new FindReplaceOptions();
    ReplaceLog logger = new ReplaceLog();
    options.setReplacingCallback(logger);

    doc.getRange().replace(Pattern.compile("(header|footer)"), "", options);

    doc.save(getArtifactsDir() + "HeaderFooter.HeaderFooterOrder.docx");

    Assert.assertEquals(logger.getText(), "First header\r\nFirst footer\r\nSecond header\r\nSecond footer\r\nThird header\r\n" + "Third footer\r\n");

    // Prepare our string builder for assert results without "DifferentFirstPageHeaderFooter"
    logger.clearText();

    // Remove special first page
    // The order for this: primary header, default header, primary footer, default footer, even header\footer
    firstPageSection.getPageSetup().setDifferentFirstPageHeaderFooter(false);

    doc.getRange().replace(Pattern.compile("(header|footer)"), "", options);
    Assert.assertEquals(logger.getText(), "Third header\r\nFirst header\r\nThird footer\r\nFirst footer\r\nSecond header\r\nSecond footer\r\n");
}

private static class ReplaceLog implements IReplacingCallback {
    public int replacing(final ReplacingArgs args) {
        mTextBuilder.append(args.getMatchNode().getText() + "\r\n");
        return ReplaceAction.SKIP;
    }

    void clearText() {
        mTextBuilder.setLength(0);
    }

    String getText() {
        return mTextBuilder.toString();
    }

    private StringBuilder mTextBuilder = new StringBuilder();
}