Hi everyone.
My name is Paul, I'm new to iText (yes!, I am a newby) and I'd like to ask
you one thing.
My goal is very simple: I already have a PDF file and I only want to attach
a Javascript to it (I'd like to have that particular document printed on
opening).
I wrote down some working code, but I'd like to know if there is a simpler
and quicker way to do it (e.g., I noticed the PdfStamper class, but I didn't
understand how it works).
Best Regards,
Paolo
ByteArrayOutputStream outputByteArray = new ByteArrayOutputStream();
PdfReader reader = new PdfReader(outputStreamBuffer.toByteArray()); // this
is the original PDF file
int n = reader.getNumberOfPages();
Rectangle psize = reader.getPageSizeWithRotation(1);
Document document = new Document(psize);
PdfWriter writer = PdfWriter.getInstance(document, outputByteArray);
document.open();
PdfContentByte cb = writer.getDirectContent();
int p = 0;
while (p < n) {
document.newPage();
PdfImportedPage page = writer.getImportedPage(reader, ++p);
cb.addTemplate(page, .95f, 0, 0, .95f, 0, 0);
}
writer.addJavaScript(ONLOAD_SCRIPT_PDF);
document.close();
outputByteArray.writeTo(outChannel);
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