Pills wrote: > > Hello guys, > > I have a little question. I use jasperreport to generate some pdf files. > My use case requires to merge some pdf together (append a pdf at the end > of another) to print them all at one time. > > How can I do that? > > Thank you ;) >
Thanks. I found it (with iText): public static void merge(List<InputStream> streamOfPDFFiles, OutputStream outputStream) throws IOException, DocumentException { Document document = new Document(); try { List<InputStream> pdfs = streamOfPDFFiles; List<PdfReader> readers = new ArrayList<PdfReader>(); int totalPages = 0; Iterator<InputStream> iteratorPDFs = pdfs.iterator(); while (iteratorPDFs.hasNext()) { InputStream pdf = iteratorPDFs.next(); PdfReader pdfReader = new PdfReader(pdf); readers.add(pdfReader); totalPages += pdfReader.getNumberOfPages(); } PdfWriter writer = PdfWriter.getInstance(document, outputStream); document.open(); PdfContentByte cb = writer.getDirectContent(); // Holds the PDF PdfImportedPage page; int currentPageNumber = 0; int pageOfCurrentReaderPDF = 0; Iterator<PdfReader> iteratorPDFReader = readers.iterator(); while (iteratorPDFReader.hasNext()) { PdfReader pdfReader = iteratorPDFReader.next(); while (pageOfCurrentReaderPDF < pdfReader.getNumberOfPages()) { document.newPage(); pageOfCurrentReaderPDF++; currentPageNumber++; page = writer.getImportedPage(pdfReader, pageOfCurrentReaderPDF); cb.addTemplate(page, 0, 0); } pageOfCurrentReaderPDF = 0; } outputStream.flush(); } finally { if (document.isOpen()) { document.close(); } closeNoExc(outputStream); } } -- View this message in context: http://www.nabble.com/How-to-merge-several-pdf--tp16327197p16718359.html Sent from the jasperreports-questions mailing list archive at Nabble.com. ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ jasperreports-questions mailing list jasperreports-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jasperreports-questions