| Code with Finding: |
class PdfStamperImp {
/** Creates new PdfStamperImp.
* @param reader the read PDF
* @param os the output destination
* @param pdfVersion the new pdf version or '\0' to keep the same version as the original
* document
* @param append
* @throws DocumentException on error
* @throws IOException
*/
PdfStamperImp(PdfReader reader, OutputStream os, char pdfVersion, boolean append) throws DocumentException, IOException {
super(new PdfDocument(), os);
if (!reader.isOpenedWithFullPermissions())
throw new BadPasswordException(MessageLocalization.getComposedMessage("pdfreader.not.opened.with.owner.password"));
if (reader.isTampered())
throw new DocumentException(MessageLocalization.getComposedMessage("the.original.document.was.reused.read.it.again.from.file"));
reader.setTampered(true);
this.reader = reader;
file = reader.getSafeFile();
this.append = append;
if (append) {
if (reader.isRebuilt())
throw new DocumentException(MessageLocalization.getComposedMessage("append.mode.requires.a.document.without.errors.even.if.recovery.was.possible"));
if (reader.isEncrypted())
crypto = new PdfEncryption(reader.getDecrypt());
pdf_version.setAppendmode(true);
file.reOpen();
byte buf[] = new byte[8192];
int n;
while ((n = file.read(buf)) > 0)
this.os.write(buf, 0, n);
file.close();
prevxref = reader.getLastXref();
reader.setAppendable(true);
}
else {
if (pdfVersion == 0)
super.setPdfVersion(reader.getPdfVersion());
else
super.setPdfVersion(pdfVersion);
}
super.open();
pdf.addWriter(this);
if (append) {
body.setRefnum(reader.getXrefSize());
marked = new IntHashtable();
if (reader.isNewXrefType())
fullCompression = true;
if (reader.isHybridXref())
fullCompression = false;
}
initialXrefSize = reader.getXrefSize();
}
}
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