while (iteratorPDFReader.hasNext()) {
final PdfReader pdfReader = iteratorPDFReader.next();
// 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);