/** * Unpacks a file attachment. * * @param reader The object that reads the PDF document * @param filespec The dictonary containing the file specifications * @throws IOException */ protected static Object[] unpackFile(PdfReader reader, PdfDictionary filespec) throws IOException { Object arr[] = new Object[2]; // use to store name and file bytes if (filespec == null) { return null; } PdfName type = (PdfName) PdfReader.getPdfObject(filespec.get(PdfName.TYPE)); if (!PdfName.F.equals(type) && !PdfName.FILESPEC.equals(type)) { return null; } PdfDictionary ef = (PdfDictionary) PdfReader.getPdfObject(filespec.get(PdfName.EF)); if (ef == null) { return null; } PdfString fn = (PdfString) PdfReader.getPdfObject(filespec.get(PdfName.F)); if (fn == null) { return null; } File fLast = new File(fn.toUnicodeString()); PRStream prs = (PRStream) PdfReader.getPdfObject(ef.get(PdfName.F)); if (prs == null) { return null; } byte attachmentByte[] = PdfReader.getStreamBytes(prs); arr[0] = fLast.getName(); arr[1] = attachmentByte; return arr; }
public static PdfStamper createSignature( PdfReader reader, OutputStream os, char pdfVersion, File tempFile, boolean append) throws DocumentException, IOException { PdfStamper stp; if (tempFile == null) { ByteBuffer bout = new ByteBuffer(); stp = new PdfStamper(reader, bout, pdfVersion, append); stp.sigApp = new PdfSignatureAppearance(stp.stamper); stp.sigApp.setSigout(bout); } else { if (tempFile.isDirectory()) tempFile = File.createTempFile("pdf", null, tempFile); FileOutputStream fout = new FileOutputStream(tempFile); stp = new PdfStamper(reader, fout, pdfVersion, append); stp.sigApp = new PdfSignatureAppearance(stp.stamper); stp.sigApp.setTempFile(tempFile); } stp.sigApp.setOriginalout(os); stp.sigApp.setStamper(stp); stp.hasSignature = true; PdfDictionary catalog = reader.getCatalog(); PdfDictionary acroForm = (PdfDictionary) PdfReader.getPdfObject(catalog.get(PdfName.ACROFORM), catalog); if (acroForm != null) { acroForm.remove(PdfName.NEEDAPPEARANCES); stp.stamper.markUsed(acroForm); } return stp; }
static void mergeResources(PdfDictionary result, PdfDictionary source, PdfStamperImp writer) { PdfDictionary dic = null; PdfDictionary res = null; PdfName target = null; for (int k = 0; k < mergeTarget.length; ++k) { target = mergeTarget[k]; PdfDictionary pdfDict = (PdfDictionary) PdfReader.getPdfObject(source.get(target)); if ((dic = pdfDict) != null) { if ((res = (PdfDictionary) PdfReader.getPdfObject(result.get(target), result)) == null) { res = new PdfDictionary(); } res.mergeDifferent(dic); result.put(target, res); if (writer != null) writer.markUsed(res); } } }
private static String getCOName(PdfReader reader, PRIndirectReference ref) { String name = ""; while (ref != null) { PdfObject obj = PdfReader.getPdfObject(ref); if (obj == null || obj.type() != PdfObject.DICTIONARY) break; PdfDictionary dic = (PdfDictionary) obj; PdfString t = dic.getAsString(PdfName.T); if (t != null) { name = t.toUnicodeString() + "." + name; } ref = (PRIndirectReference) dic.get(PdfName.PARENT); } if (name.endsWith(".")) name = name.substring(0, name.length() - 1); return name; }
void setOriginalResources(PdfDictionary resources, int newNamePtr[]) { if (newNamePtr != null) namePtr = newNamePtr; originalResources = resources; forbiddenNames = new HashMap(); usedNames = new HashMap(); if (resources == null) return; for (Iterator i = resources.getKeys().iterator(); i.hasNext(); ) { PdfObject sub = PdfReader.getPdfObject(resources.get((PdfName) i.next())); if (sub != null && sub.isDictionary()) { PdfDictionary dic = (PdfDictionary) sub; for (Iterator j = dic.getKeys().iterator(); j.hasNext(); ) { forbiddenNames.put(j.next(), null); } } } }
void createWidgets(ArrayList<Object> list, AcroFields.Item item) { for (int k = 0; k < item.size(); ++k) { list.add(item.getPage(k)); PdfDictionary merged = item.getMerged(k); PdfObject dr = merged.get(PdfName.DR); if (dr != null) PdfFormField.mergeResources(resources, (PdfDictionary) PdfReader.getPdfObject(dr)); PdfDictionary widget = new PdfDictionary(); for (Object element : merged.getKeys()) { PdfName key = (PdfName) element; if (widgetKeys.containsKey(key)) widget.put(key, merged.get(key)); } widget.put(iTextTag, new PdfNumber(item.getTabOrder(k).intValue() + 1)); list.add(widget); } }
public void alterContents() throws IOException { if (over == null && under == null) return; PdfArray ar = null; PdfObject content = PdfReader.getPdfObject(pageN.get(PdfName.CONTENTS), pageN); if (content == null) { ar = new PdfArray(); pageN.put(PdfName.CONTENTS, ar); } else if (content.isArray()) { ar = (PdfArray) content; } else if (content.isStream()) { ar = new PdfArray(); ar.add(pageN.get(PdfName.CONTENTS)); pageN.put(PdfName.CONTENTS, ar); } else { ar = new PdfArray(); pageN.put(PdfName.CONTENTS, ar); } ByteBuffer out = new ByteBuffer(); if (under != null) { out.append(PdfContents.SAVESTATE); applyRotation(pageN, out); out.append(under.getInternalBuffer()); out.append(PdfContents.RESTORESTATE); } if (over != null) out.append(PdfContents.SAVESTATE); PdfStream stream = new PdfStream(out.toByteArray()); stream.flateCompress(cstp.getCompressionLevel()); PdfIndirectReference ref1 = cstp.addToBody(stream).getIndirectReference(); ar.addFirst(ref1); out.reset(); if (over != null) { out.append(' '); out.append(PdfContents.RESTORESTATE); out.append(PdfContents.SAVESTATE); applyRotation(pageN, out); out.append(over.getInternalBuffer()); out.append(PdfContents.RESTORESTATE); stream = new PdfStream(out.toByteArray()); stream.flateCompress(cstp.getCompressionLevel()); ar.add(cstp.addToBody(stream).getIndirectReference()); } pageN.put(PdfName.RESOURCES, pageResources.getResources()); }
/** extracts attachments from PDF File */ @SuppressWarnings("unchecked") protected Map extractAttachments(PdfReader reader) throws IOException { Map fileMap = new HashMap(); PdfDictionary catalog = reader.getCatalog(); PdfDictionary names = (PdfDictionary) PdfReader.getPdfObject(catalog.get(PdfName.NAMES)); if (names != null) { PdfDictionary embFiles = (PdfDictionary) PdfReader.getPdfObject(names.get(new PdfName("EmbeddedFiles"))); if (embFiles != null) { HashMap embMap = PdfNameTree.readTree(embFiles); for (Iterator i = embMap.values().iterator(); i.hasNext(); ) { PdfDictionary filespec = (PdfDictionary) PdfReader.getPdfObject((PdfObject) i.next()); Object fileInfo[] = unpackFile(reader, filespec); if (fileMap.containsKey(fileInfo[0])) { throw new RuntimeException(DUPLICATE_FILE_NAMES); } fileMap.put(fileInfo[0], fileInfo[1]); } } } for (int k = 1; k <= reader.getNumberOfPages(); ++k) { PdfArray annots = (PdfArray) PdfReader.getPdfObject(reader.getPageN(k).get(PdfName.ANNOTS)); if (annots == null) { continue; } for (Iterator i = annots.getArrayList().listIterator(); i.hasNext(); ) { PdfDictionary annot = (PdfDictionary) PdfReader.getPdfObject((PdfObject) i.next()); PdfName subType = (PdfName) PdfReader.getPdfObject(annot.get(PdfName.SUBTYPE)); if (!PdfName.FILEATTACHMENT.equals(subType)) { continue; } PdfDictionary filespec = (PdfDictionary) PdfReader.getPdfObject(annot.get(PdfName.FS)); Object fileInfo[] = unpackFile(reader, filespec); if (fileMap.containsKey(fileInfo[0])) { throw new RuntimeException(DUPLICATE_FILE_NAMES); } fileMap.put(fileInfo[0], fileInfo[1]); } } return fileMap; }
/** * Copy the acroform for an input document. Note that you can only have one, we make no effort to * merge them. * * @param reader The reader of the input file that is being copied * @throws IOException , BadPdfFormatException */ public void copyAcroForm(PdfReader reader) throws IOException, BadPdfFormatException { setFromReader(reader); PdfDictionary catalog = reader.getCatalog(); PRIndirectReference hisRef = null; PdfObject o = catalog.get(PdfName.ACROFORM); if (o != null && o.type() == PdfObject.INDIRECT) hisRef = (PRIndirectReference) o; if (hisRef == null) return; // bugfix by John Englar RefKey key = new RefKey(hisRef); PdfIndirectReference myRef; IndirectReferences iRef = (IndirectReferences) indirects.get(key); if (iRef != null) { acroForm = myRef = iRef.getRef(); } else { acroForm = myRef = body.getPdfIndirectReference(); iRef = new IndirectReferences(myRef); indirects.put(key, iRef); } if (!iRef.getCopied()) { iRef.setCopied(); PdfDictionary theForm = copyDictionary((PdfDictionary) PdfReader.getPdfObject(hisRef)); addToBody(theForm, myRef); } }
private void doType1TT() { CMapToUnicode toUnicode = null; PdfObject enc = PdfReader.getPdfObject(font.get(PdfName.ENCODING)); if (enc == null) { fillEncoding(null); try { toUnicode = processToUnicode(); if (toUnicode != null) { Map<Integer, Integer> rm = toUnicode.createReverseMapping(); for (Map.Entry<Integer, Integer> kv : rm.entrySet()) { uni2byte.put(kv.getKey().intValue(), kv.getValue().intValue()); } } } catch (Exception ex) { throw new ExceptionConverter(ex); } } else { if (enc.isName()) fillEncoding((PdfName) enc); else if (enc.isDictionary()) { PdfDictionary encDic = (PdfDictionary) enc; enc = PdfReader.getPdfObject(encDic.get(PdfName.BASEENCODING)); if (enc == null) fillEncoding(null); else fillEncoding((PdfName) enc); PdfArray diffs = encDic.getAsArray(PdfName.DIFFERENCES); if (diffs != null) { diffmap = new IntHashtable(); int currentNumber = 0; for (int k = 0; k < diffs.size(); ++k) { PdfObject obj = diffs.getPdfObject(k); if (obj.isNumber()) currentNumber = ((PdfNumber) obj).intValue(); else { int c[] = GlyphList.nameToUnicode(PdfName.decodeName(((PdfName) obj).toString())); if (c != null && c.length > 0) { uni2byte.put(c[0], currentNumber); diffmap.put(c[0], currentNumber); } else { if (toUnicode == null) { toUnicode = processToUnicode(); if (toUnicode == null) { toUnicode = new CMapToUnicode(); } } final String unicode = toUnicode.lookup(new byte[] {(byte) currentNumber}, 0, 1); if ((unicode != null) && (unicode.length() == 1)) { this.uni2byte.put(unicode.charAt(0), currentNumber); this.diffmap.put(unicode.charAt(0), currentNumber); } } ++currentNumber; } } } } } PdfArray newWidths = font.getAsArray(PdfName.WIDTHS); PdfNumber first = font.getAsNumber(PdfName.FIRSTCHAR); PdfNumber last = font.getAsNumber(PdfName.LASTCHAR); if (BuiltinFonts14.containsKey(fontName)) { BaseFont bf; try { bf = BaseFont.createFont(fontName, WINANSI, false); } catch (Exception e) { throw new ExceptionConverter(e); } int e[] = uni2byte.toOrderedKeys(); for (int k = 0; k < e.length; ++k) { int n = uni2byte.get(e[k]); widths[n] = bf.getRawWidth(n, GlyphList.unicodeToName(e[k])); } if (diffmap != null) { // widths for diffmap must override existing ones e = diffmap.toOrderedKeys(); for (int k = 0; k < e.length; ++k) { int n = diffmap.get(e[k]); widths[n] = bf.getRawWidth(n, GlyphList.unicodeToName(e[k])); } diffmap = null; } ascender = bf.getFontDescriptor(ASCENT, 1000); capHeight = bf.getFontDescriptor(CAPHEIGHT, 1000); descender = bf.getFontDescriptor(DESCENT, 1000); italicAngle = bf.getFontDescriptor(ITALICANGLE, 1000); fontWeight = bf.getFontDescriptor(FONT_WEIGHT, 1000); llx = bf.getFontDescriptor(BBOXLLX, 1000); lly = bf.getFontDescriptor(BBOXLLY, 1000); urx = bf.getFontDescriptor(BBOXURX, 1000); ury = bf.getFontDescriptor(BBOXURY, 1000); } if (first != null && last != null && newWidths != null) { int f = first.intValue(); int nSize = f + newWidths.size(); if (widths.length < nSize) { int[] tmp = new int[nSize]; System.arraycopy(widths, 0, tmp, 0, f); widths = tmp; } for (int k = 0; k < newWidths.size(); ++k) { widths[f + k] = newWidths.getAsNumber(k).intValue(); } } fillFontDesc(font.getAsDict(PdfName.FONTDESCRIPTOR)); }
/** Creates a new instance of DocumentFont */ DocumentFont(PRIndirectReference refFont) { this.refFont = refFont; font = (PdfDictionary) PdfReader.getPdfObject(refFont); init(); }
public void addAnnotation(PdfAnnotation annot) { try { ArrayList allAnnots = new ArrayList(); if (annot.isForm()) { PdfFormField field = (PdfFormField) annot; if (field.getParent() != null) return; expandFields(field, allAnnots); if (cstp.fieldTemplates == null) cstp.fieldTemplates = new HashMap(); } else allAnnots.add(annot); for (int k = 0; k < allAnnots.size(); ++k) { annot = (PdfAnnotation) allAnnots.get(k); if (annot.isForm()) { if (!annot.isUsed()) { HashMap templates = annot.getTemplates(); if (templates != null) cstp.fieldTemplates.putAll(templates); } PdfFormField field = (PdfFormField) annot; if (field.getParent() == null) addDocumentField(field.getIndirectReference()); } if (annot.isAnnotation()) { PdfObject pdfobj = PdfReader.getPdfObject(pageN.get(PdfName.ANNOTS), pageN); PdfArray annots = null; if (pdfobj == null || !pdfobj.isArray()) { annots = new PdfArray(); pageN.put(PdfName.ANNOTS, annots); } else annots = (PdfArray) pdfobj; annots.add(annot.getIndirectReference()); if (!annot.isUsed()) { PdfRectangle rect = (PdfRectangle) annot.get(PdfName.RECT); if (rect != null && (rect.left() != 0 || rect.right() != 0 || rect.top() != 0 || rect.bottom() != 0)) { int rotation = reader.getPageRotation(pageN); Rectangle pageSize = reader.getPageSizeWithRotation(pageN); switch (rotation) { case 90: annot.put( PdfName.RECT, new PdfRectangle( pageSize.getTop() - rect.bottom(), rect.left(), pageSize.getTop() - rect.top(), rect.right())); break; case 180: annot.put( PdfName.RECT, new PdfRectangle( pageSize.getRight() - rect.left(), pageSize.getTop() - rect.bottom(), pageSize.getRight() - rect.right(), pageSize.getTop() - rect.top())); break; case 270: annot.put( PdfName.RECT, new PdfRectangle( rect.bottom(), pageSize.getRight() - rect.left(), rect.top(), pageSize.getRight() - rect.right())); break; } } } } if (!annot.isUsed()) { annot.setUsed(); cstp.addToBody(annot, annot.getIndirectReference()); } } } catch (IOException e) { throw new ExceptionConverter(e); } }
/** * Returns the <CODE>PdfObject</CODE> with the specified index, resolving a possible indirect * reference to a direct object. * * <p>Thus this method will never return a <CODE>PdfIndirectReference</CODE> object. * * @param idx The index of the <CODE>PdfObject</CODE> to be returned * @return A direct <CODE>PdfObject</CODE> or <CODE>null</CODE> */ public PdfObject getDirectObject(final int idx) { return PdfReader.getPdfObject(getPdfObject(idx)); }
/** * Returns the <CODE>PdfObject</CODE> associated to the specified <VAR>key</VAR>, resolving a * possible indirect reference to a direct object. * * <p>This method will never return a <CODE>PdfIndirectReference</CODE> object. * * @param key A key for the <CODE>PdfObject</CODE> to be returned * @return A direct <CODE>PdfObject</CODE> or <CODE>null</CODE> */ public PdfObject getDirectObject(final PdfName key) { return PdfReader.getPdfObject(get(key)); }