List of usage examples for com.itextpdf.text.pdf PdfDictionary get
public PdfObject get(final PdfName key)
PdfObject associated to the specified key. From source file:org.roda.common.certification.PDFSignatureUtils.java
private static StringBuilder getExtractionInformation(AcroFields fields, ArrayList<?> names, Path outputContents, String filename) throws IOException { StringBuilder sb = new StringBuilder(); for (int i = 0; i < names.size(); i++) { String name = (String) names.get(i); Item item = fields.getFieldItem(name); PdfDictionary widget = item.getWidget(0); PdfDictionary infoDictionary = widget.getAsDict(PdfName.V); sb.append("<signature>\n"); try {//from w ww . jav a 2 s.co m PdfPKCS7 pk = fields.verifySignature(name); sb = addElementToExtractionResult(sb, "name", name); sb = addElementToExtractionResult(sb, "sign-name", pk.getSignName()); sb = addElementToExtractionResult(sb, "version", Integer.toString(pk.getVersion())); sb = addElementToExtractionResult(sb, "reason", pk.getReason()); sb = addElementToExtractionResult(sb, "location", pk.getLocation()); SimpleDateFormat formatter = new SimpleDateFormat("dd-MM-yyyy"); if (pk.getTimeStampDate() != null) { String timestamp = formatter.format(pk.getTimeStampDate().getTime()); sb = addElementToExtractionResult(sb, "timestamp-time", timestamp); } if (pk.getSignDate() != null) { String sign = formatter.format(pk.getSignDate().getTime()); sb = addElementToExtractionResult(sb, "sign-time", sign); } sb = addElementToExtractionResult(sb, "digest-algorithm", pk.getDigestAlgorithm()); sb = addElementToExtractionResult(sb, "hash-algorithm", pk.getHashAlgorithm()); sb = addElementToExtractionResult(sb, "covers-whole-document", Boolean.toString(fields.signatureCoversWholeDocument(name))); sb = addElementToExtractionResult(sb, "ft", widget.get(PdfName.FT).toString()); if (infoDictionary.contains(PdfName.CONTACTINFO)) sb = addElementToExtractionResult(sb, "contact-info", infoDictionary.getAsString(PdfName.CONTACTINFO).toString()); if (infoDictionary.contains(PdfName.FILTER)) sb = addElementToExtractionResult(sb, "filter", infoDictionary.get(PdfName.FILTER).toString()); if (infoDictionary.contains(PdfName.SUBFILTER)) sb = addElementToExtractionResult(sb, "subfilter", infoDictionary.get(PdfName.SUBFILTER).toString()); if (infoDictionary.contains(PdfName.LOCK)) sb = addElementToExtractionResult(sb, "lock", "true"); if (infoDictionary.contains(PdfName.CONTENTS)) { PdfString elementName = infoDictionary.getAsString(PdfName.CONTENTS); Files.write(outputContents, elementName.toUnicodeString().getBytes()); sb = addElementToExtractionResult(sb, "contents", filename + ".pkcs7"); } } catch (NoSuchFieldError e) { LOGGER.warn("DS information extraction did not execute properly"); } sb.append("</signature>"); } return sb; }
From source file:org.roda.core.plugins.plugins.characterization.PDFSignatureUtils.java
private static StringBuilder getExtractionInformation(AcroFields fields, ArrayList<?> names, Path outputContents, String filename) throws IOException { StringBuilder sb = new StringBuilder(); for (int i = 0; i < names.size(); i++) { String name = (String) names.get(i); Item item = fields.getFieldItem(name); PdfDictionary widget = item.getWidget(0); PdfDictionary infoDictionary = widget.getAsDict(PdfName.V); sb.append("<signature>\n"); try {//from w w w.j a v a2 s. c o m PdfPKCS7 pk = fields.verifySignature(name); sb = addElementToExtractionResult(sb, "name", name); sb = addElementToExtractionResult(sb, "sign-name", pk.getSignName()); sb = addElementToExtractionResult(sb, "version", Integer.toString(pk.getVersion())); sb = addElementToExtractionResult(sb, "reason", pk.getReason()); sb = addElementToExtractionResult(sb, "location", pk.getLocation()); SimpleDateFormat formatter = new SimpleDateFormat("dd-MM-yyyy"); if (pk.getTimeStampDate() != null) { String timestamp = formatter.format(pk.getTimeStampDate().getTime()); sb = addElementToExtractionResult(sb, "timestamp-time", timestamp); } if (pk.getSignDate() != null) { String sign = formatter.format(pk.getSignDate().getTime()); sb = addElementToExtractionResult(sb, "sign-time", sign); } sb = addElementToExtractionResult(sb, "digest-algorithm", pk.getDigestAlgorithm()); sb = addElementToExtractionResult(sb, "hash-algorithm", pk.getHashAlgorithm()); sb = addElementToExtractionResult(sb, "covers-whole-document", Boolean.toString(fields.signatureCoversWholeDocument(name))); sb = addElementToExtractionResult(sb, "ft", widget.get(PdfName.FT).toString()); if (infoDictionary.contains(PdfName.CONTACTINFO)) sb = addElementToExtractionResult(sb, "contact-info", infoDictionary.getAsString(PdfName.CONTACTINFO).toString()); if (infoDictionary.contains(PdfName.FILTER)) sb = addElementToExtractionResult(sb, "filter", infoDictionary.get(PdfName.FILTER).toString()); if (infoDictionary.contains(PdfName.SUBFILTER)) sb = addElementToExtractionResult(sb, "subfilter", infoDictionary.get(PdfName.SUBFILTER).toString()); if (infoDictionary.contains(PdfName.LOCK)) sb = addElementToExtractionResult(sb, "lock", "true"); if (infoDictionary.contains(PdfName.CONTENTS)) { PdfString elementName = infoDictionary.getAsString(PdfName.CONTENTS); Files.write(outputContents, elementName.toUnicodeString().getBytes()); sb = addElementToExtractionResult(sb, "contents", filename + ".pkcs7"); } } catch (NoSuchFieldError e) { LOGGER.warn("DS information extraction did not execute properly"); } sb.append("</signature>"); } return sb; }
From source file:org.sejda.impl.itext5.component.PdfUnpacker.java
License:Open Source License
private void unpack(Set<PdfDictionary> dictionaries) throws TaskIOException { for (PdfDictionary dictionary : dictionaries) { PdfName type = dictionary.getAsName(PdfName.TYPE); if (PdfName.F.equals(type) || PdfName.FILESPEC.equals(type)) { PdfDictionary ef = dictionary.getAsDict(PdfName.EF); PdfString fn = dictionary.getAsString(PdfName.F); if (fn != null && ef != null) { PRStream prs = (PRStream) PdfReader.getPdfObject(ef.get(PdfName.F)); if (prs != null) { File tmpFile = copyToTemporaryFile(prs); outputWriter.addOutput(file(tmpFile).name(fn.toUnicodeString())); }/* w w w . j a v a 2 s . c om*/ } } } }
From source file:pl.edu.icm.cermine.structure.ITextCharacterExtractor.java
License:Open Source License
/** * Processes PDF's fonts dictionary. During the process alternative names * of Standard 14 Fonts are changed to the standard ones, provided that * the font definition doesn't include Widths array. * * Font dictionary in PDF file often includes an array of individual glyphs' widths. * Widths array is always required except for the Standard 14 Fonts, which widths * are kept by iText itself. Unfortunately, if the font uses alternative name instead of * standard one (see PDF Reference 1.7, table H.3), iText doesn't recognize the font as * one of the Standard 14 Fonts, and is unable to determine glyphs widths. In such cases * this method will change alternative names to standard ones before PDF's parsing process *///from w ww . ja va 2 s . com private void processAlternativeFontNames(PdfDictionary resources) { if (resources == null) { return; } PdfDictionary fontsDictionary = resources.getAsDict(PdfName.FONT); if (fontsDictionary == null) { return; } for (PdfName pdfFontName : fontsDictionary.getKeys()) { if (!(fontsDictionary.get(pdfFontName) instanceof PRIndirectReference)) { return; } PRIndirectReference indRef = (PRIndirectReference) fontsDictionary.get(pdfFontName); if (!(PdfReader.getPdfObjectRelease(indRef) instanceof PdfDictionary)) { return; } PdfDictionary fontDictionary = (PdfDictionary) PdfReader.getPdfObjectRelease(indRef); PdfName baseFont = fontDictionary.getAsName(PdfName.BASEFONT); if (baseFont != null) { String fontName = PdfName.decodeName(baseFont.toString()); if (fontDictionary.getAsArray(PdfName.WIDTHS) == null && ALT_TO_STANDART_FONTS.containsKey(fontName)) { fontDictionary.put(PdfName.BASEFONT, ALT_TO_STANDART_FONTS.get(fontName)); } } } }
From source file:spntoolsdata.pdf.util.RemoveBlankPageFromPDF.java
public static void removeBlankPdfPages(String source, String destination) throws IOException, DocumentException { PdfReader r = null;/*from w ww . j av a 2s. c o m*/ RandomAccessSourceFactory rasf = null; RandomAccessFileOrArray raf = null; Document document = null; PdfCopy writer = null; try { r = new PdfReader(source); // deprecated // RandomAccessFileOrArray raf // = new RandomAccessFileOrArray(pdfSourceFile); // itext 5.4.1 rasf = new RandomAccessSourceFactory(); raf = new RandomAccessFileOrArray(rasf.createBestSource(source)); document = new Document(r.getPageSizeWithRotation(1)); writer = new PdfCopy(document, new FileOutputStream(destination)); document.open(); PdfImportedPage page = null; for (int i = 1; i <= r.getNumberOfPages(); i++) { // first check, examine the resource dictionary for /Font or // /XObject keys. If either are present -> not blank. PdfDictionary pageDict = r.getPageN(i); PdfDictionary resDict = (PdfDictionary) pageDict.get(PdfName.RESOURCES); boolean noFontsOrImages = true; if (resDict != null) { noFontsOrImages = resDict.get(PdfName.FONT) == null && resDict.get(PdfName.XOBJECT) == null; } if (!noFontsOrImages) { byte bContent[] = r.getPageContent(i, raf); ByteArrayOutputStream bs = new ByteArrayOutputStream(); bs.write(bContent); if (bs.size() > BLANK_THRESHOLD) { page = writer.getImportedPage(r, i); writer.addPage(page); } } } } finally { if (document != null) document.close(); if (writer != null) writer.close(); if (raf != null) raf.close(); if (r != null) r.close(); } }