/** Creates the new PDF by merging the fields and forms. */ protected void closeIt() throws IOException { for (int k = 0; k < readers.size(); ++k) { readers.get(k).removeFields(); } for (int r = 0; r < readers.size(); ++r) { PdfReader reader = readers.get(r); for (int page = 1; page <= reader.getNumberOfPages(); ++page) { pageRefs.add(getNewReference(reader.getPageOrigRef(page))); pageDics.add(reader.getPageN(page)); } } mergeFields(); createAcroForms(); for (int r = 0; r < readers.size(); ++r) { PdfReader reader = readers.get(r); for (int page = 1; page <= reader.getNumberOfPages(); ++page) { PdfDictionary dic = reader.getPageN(page); PdfIndirectReference pageRef = getNewReference(reader.getPageOrigRef(page)); PdfIndirectReference parent = root.addPageRef(pageRef); dic.put(PdfName.PARENT, parent); propagate(dic, pageRef, false); } } for (Map.Entry<PdfReader, IntHashtable> entry : readers2intrefs.entrySet()) { PdfReader reader = entry.getKey(); try { file = reader.getSafeFile(); file.reOpen(); IntHashtable t = entry.getValue(); int keys[] = t.toOrderedKeys(); for (int k = 0; k < keys.length; ++k) { PRIndirectReference ref = new PRIndirectReference(reader, keys[k]); addToBody(PdfReader.getPdfObjectRelease(ref), t.get(keys[k])); } } finally { try { file.close(); // TODO: Removed - the user should be responsible for closing all PdfReaders. But, this // could cause a lot of memory leaks in code out there that hasn't been properly closing // things - maybe add a finalizer to PdfReader that calls PdfReader#close() ?? // reader.close(); } catch (Exception e) { // empty on purpose } } } pdf.close(); }
PdfReaderInstance(PdfReader reader, PdfWriter writer) { this.reader = reader; this.writer = writer; file = reader.getSafeFile(); myXref = new int[reader.getXrefSize()]; }