That means a 1 gets set for each int page in each row of the table of content. Looking into the source code of XWPFDocument.java - createTOC, we find. That method is to add a row to the table of content where the int page should give the page, the title is placed on. Looking into source code of TOC.java, we find method public void addRow(int level, String title, int page, String bookmarkRef). That easily could be changed by extending XWPFDocument. Not even a getter to get the TOC from the document is provided. XWPFDocument provides XWPFDocument.createTOC but no methods to update a TOC. But rendering slides is much more simple than rendering whole wordprocessing documents. There someone has programmed a picture export of slides, which also needs a renderer for slides. A little exception is XSLF (PowerPoint presentations). That is dependig on page size, page margins, font size/s, possible explicit row breaks, paragraph spacing/s and much more things.Īpache POI is only to create the Office Open XML files as Microsoft Office would store it. If not, only the renderer can determine on which page a body element gets placed. There may be explicit page breaks, but there need not. From file storages point of view, a document consists of an endlies stream of body elements. To know on what page a paragraph gets placed, the document needs to be renderd. And I doubt that it will be possible later, except Apache POI will decide to program a renderer for documents.Ī table of content consists of a list of headings (paragraphs having heading style) pointing to the page, that heading is placed. Using Apache POI it is not possible to update table of content (TOC) of an XWPFDokument up to now. Me not member of the Apache POI developer team but have bothered with Apache POI a long time. Also, I can not use Macro based approach due to security concerns.Ĭould anyone guide how to achieve this automated update or addition of TOC page numbers using Java and Apache POI? Any code snippets, suggestions, or any alternative approaches/hacks would be greatly appreciated. Changing the library at this point may not be a feasible solution as most of the logic is already written and working as expected. Therefore, I'm looking for a programmatic solution to either update the stale TOC page numbers with the new ones Without any popup or create a new TOC or TOC Like structure with Section and Subsection headings with the page numbers.Īdditionally, I have a constraint on using Apache POI. I have already tried xwpfDocument.enforceUpdateFields(), but it resulted in a popup on the document open, which is unacceptable to the stakeholders. I need assistance in programmatically updating the page numbers in the TOC with complete automation. However, after deleting sections, the page numbers in the template change, and these changes are not reflected in the Table of Contents (TOC). I have successfully implemented the section deletion functionality. My task is to delete certain sections based on specific criteria and then update the content with new details to generate a final report. The template contains multiple sections with tables, paragraphs, and images. I am working on a Java 8 project where I need to modify a Word document template (.docx) using Apache POI v4.1.2. The answer should be accompanied by some coding implementation and justification.
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