List of usage examples for com.itextpdf.text.pdf PdfCopy setOutlines
public void setOutlines(final List<HashMap<String, Object>> outlines)
From source file:be.roots.taconic.pricingguide.util.iTextUtil.java
License:Open Source License
public static byte[] merge(byte[]... pdfAsBytes) throws DocumentException, IOException { try (final ByteArrayOutputStream copyBaos = new ByteArrayOutputStream()) { final Document doc = new Document(); final PdfCopy copy = new PdfSmartCopy(doc, copyBaos); doc.open();/*from w ww. j ava 2 s . c o m*/ int numberOfPages = 0; final java.util.List<HashMap<String, Object>> bookmarks = new ArrayList<>(); PdfReader pdf = null; for (byte[] pdfAsByte : pdfAsBytes) { if (pdfAsByte != null && pdfAsByte.length > 0) { pdf = new PdfReader(pdfAsByte); pdf.consolidateNamedDestinations(); final List<HashMap<String, Object>> pdfBookmarks = SimpleBookmark.getBookmark(pdf); if (!CollectionUtils.isEmpty(pdfBookmarks)) { SimpleBookmark.shiftPageNumbers(pdfBookmarks, numberOfPages, null); bookmarks.addAll(pdfBookmarks); } for (int i = 1; i <= pdf.getNumberOfPages(); i++) { copy.addPage(copy.getImportedPage(pdf, i)); } numberOfPages += pdf.getNumberOfPages(); } } if (pdf != null) { SimpleNamedDestination.getNamedDestination(pdf, false); } if (!CollectionUtils.isEmpty(bookmarks)) { copy.setOutlines(bookmarks); } copy.close(); return copyBaos.toByteArray(); } }
From source file:com.github.sgelb.sldownloader.model.Pdf.java
License:Open Source License
public void mergePdfs() throws DocumentException, IOException { String title = book.getPdfTitle() + ".pdf"; File saveFile = new File(saveFolder, title); int count = 1; while (saveFile.exists()) { title = book.getPdfTitle() + "_" + count++ + ".pdf"; saveFile = new File(saveFolder, title); }//from ww w .j ava 2 s.c o m book.setInfo("saveFile", saveFile.toString()); Document document = new Document(); PdfCopy destPdf = new PdfCopy(document, new FileOutputStream(saveFile)); document.open(); PdfReader reader; int page_offset = 0; int n; ArrayList<HashMap<String, Object>> bookmarks = new ArrayList<HashMap<String, Object>>(); List<HashMap<String, Object>> tmp; count = 1; System.out.println("Start mergin\u2026"); for (File srcPdf : src) { if (Thread.interrupted()) { return; } System.out.print(":: " + count++ + "/" + src.size()); reader = new PdfReader(srcPdf.toString()); tmp = SimpleBookmark.getBookmark(reader); if (tmp != null) { SimpleBookmark.shiftPageNumbers(tmp, page_offset, null); bookmarks.addAll(tmp); } n = reader.getNumberOfPages(); page_offset += n; for (int page = 0; page < n;) { destPdf.addPage(destPdf.getImportedPage(reader, ++page)); } destPdf.freeReader(reader); reader.close(); System.out.println(" succeed."); } if (!bookmarks.isEmpty()) { destPdf.setOutlines(bookmarks); } if (book.getInfo("author") != null) document.addAuthor(book.getInfo("author")); if (book.getInfo("title") != null) document.addTitle(book.getInfo("title")); if (book.getInfo("subtitle") != null) document.addSubject(book.getInfo("subtitle")); document.close(); System.out.println("Merge complete. Saved to " + saveFile); }