Hi,
I have 2 pdf documents (doc1.pdf ; doc2.pdf) that I must concatenate in another pdf (result.pdf) doc1.pdf and doc2.pdf have internal links I'm using a variant of the code of ConcatenateStamp sample: http://itextpdf.com/examples/index.php?page=example&id=128 The result document (result.pdf) is created but internal links of the second document (doc2.pdf) have the original page destination (if the first link in doc2.pdf point to the 3th page of doc2.pdf the same link in result.pdf point to the 3th page of result.pdf). I've tried to change the destination using this code: public class ConcatenateStamp2 { /** * Main method. * @param args no arguments needed * @throws DocumentException * @throws IOException * @throws SQLException */ public static void main(String[] args) throws IOException, DocumentException, SQLException { int numPaginas=0; int numPaginasInsertadas=0; // step 1 Document document = new Document(); // step 2 PdfCopy copy = new PdfCopy(document, new FileOutputStream("result.pdf")); // step 3 document.open(); numPaginasInsertadas=insertarPaginas("doc1.pdf", copy, numPaginas); numPaginas+=numPaginasInsertadas; numPaginasInsertadas=insertarPaginas("doc2.pdf", copy, numPaginas); // step 5 document.close(); } public static int insertPage(String sourceDoc, PdfCopy copy, int numPages) throws IOException, DocumentException, SQLException { // reader for document 1 PdfReader reader1 = new PdfReader(sourceDoc); //reader1.consolidateNamedDestinations(); int n1 = reader1.getNumberOfPages(); // initializations PdfImportedPage page; PdfCopy.PageStamp stamp; // Loop over the pages of document 1 for (int i = 0; i < n1; ) { PdfDictionary pageDic=reader1.getPageN(i); if (pageDic!=null){ // obtener las anotaciones PdfArray anotaciones=pageDic.getAsArray(PdfName.ANNOTS); // recorrer las anotaciones if (anotaciones!=null){ for (int an=0;an<anotaciones.size();an++){ PdfDictionary anotacion=anotaciones.getAsDict(an); if (anotacion.contains(PdfName.SUBTYPE) && anotacion.getAsName(PdfName.SUBTYPE)==PdfName.LINK){ // La anotación es un link obtener el destino PdfArray destino=anotacion.getAsArray(PdfName.DEST); // El primer elemento del destino es la página PdfNumber numpagina=destino.getAsNumber(0); int pag=numpagina.intValue(); // Calcular el incremento de pagina y asignarlo PdfNumber nuevapagina=new PdfNumber(pag+numPages); destino.set(0, nuevapagina); } } } } /* Here If you inspect reader1 you see that new value is assigned */ i++; page = copy.getImportedPage(reader1, i); /* At this time the links in read page does not has changed values, has original values */ stamp = copy.createPageStamp(page); // add page numbers ColumnText.showTextAligned( stamp.getUnderContent(), Element.ALIGN_CENTER, new Phrase(String.format("Página %d", numPaginasActuales+i)), 297.5f, 28, 0); stamp.alterContents(); copy.addPage(page); } return n1; } } Regards, Miguel A. Maicas
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