Hello,
I have a probleme with merging Bookmarks.
If I try to merge two or more PDFs the Bookmarks are lost.
---------------- CODE -----------------------
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import com.lowagie.text.Document;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfImportedPage;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfWriter;
import com.lowagie.text.pdf.SimpleBookmark;
public class mergePdf {
public static void concatPDFs(List<InputStream> streamOfPDFFiles,
OutputStream outputStream, boolean paginate) {
Document document = new Document();
try {
List<InputStream> pdfs = streamOfPDFFiles;
List<PdfReader> readers = new ArrayList<PdfReader>();
int totalPages = 0;
int pageOffset = 0;
ArrayList master = new ArrayList();
Iterator<InputStream> iteratorPDFs = pdfs.iterator();
// Create Readers for the pdfs.
while (iteratorPDFs.hasNext()) {
InputStream pdf = iteratorPDFs.next();
PdfReader pdfReader = new PdfReader(pdf);
readers.add(pdfReader);
totalPages += pdfReader.getNumberOfPages();
}
// Create a writer for the outputstream
PdfWriter writer = PdfWriter.getInstance(document, outputStream);
document.open();
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA,
BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
PdfContentByte cb = writer.getDirectContent(); // Holds the PDF
// data
PdfImportedPage page;
int currentPageNumber = 0;
int pageOfCurrentReaderPDF = 0;
Iterator<PdfReader> iteratorPDFReader = readers.iterator();
// Loop through the PDF files and add to the output.
while (iteratorPDFReader.hasNext()) {
PdfReader pdfReader = iteratorPDFReader.next();
List bookmarks = SimpleBookmark.getBookmark(pdfReader);
int n = pdfReader.getNumberOfPages();
if (bookmarks != null) {
System.out.println("bookmarks");
if (pageOffset != 0)
SimpleBookmark.shiftPageNumbers(bookmarks, pageOffset,
null);
master.addAll(bookmarks);
} else {
System.out.println("no bookmarks");
}
pageOffset += n;
// Create a new page in the target for each source page.
while (pageOfCurrentReaderPDF < pdfReader.getNumberOfPages()) {
document.newPage();
pageOfCurrentReaderPDF++;
currentPageNumber++;
page = writer.getImportedPage(pdfReader,
pageOfCurrentReaderPDF);
cb.addTemplate(page, 0, 0);
// Code for pagination.
if (paginate) {
if(!(currentPageNumber == 1 || totalPages == currentPageNumber)){
cb.beginText();
cb.setFontAndSize(bf, 9);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "- "
+ currentPageNumber + " - " , 300,
10, 0);
cb.endText();
}
}
}
pageOfCurrentReaderPDF = 0;
}
if (master.size() > 0) {
System.out.print("Add Bookmarks");
writer.setOutlines(master);
}
outputStream.flush();
document.close();
outputStream.close();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (document.isOpen())
document.close();
try {
if (outputStream != null)
outputStream.close();
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
}
}
------------------------------ CODE --------------------------
I also tryed the com.lowagie.examples.general.copystamp.concatenate.java
but there is also the same effect - no bookmarks.
Please tell me what I#m doing wrong.
Thanks for your help
best regards,
Markus
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