Examples of com.itextpdf.text.pdf.PdfArray

com.itextpdf.text.pdf.PdfArray
PdfArray is the PDF Array object.
An array is a sequence of PDF objects. An array may contain a mixture of object types. An array is written as a left square bracket ([), followed by a sequence of objects, followed by a right square bracket (]).
This object is described in the 'Portable Document Format Reference Manual version 1.7' section 3.2.5 (page 58). @see PdfObject

        PdfDictionary dictionary = reader.getCatalog().getAsDict(PdfName.DSS);
        if (dictionary == null) {
            throw new NoDSSException(messages.getString(
                "Document_has_no_DSS_(Document_Security_Store)."));
        }
        PdfArray ocspArray = dictionary.getAsArray(PdfName.OCSPS);
        ArrayList<BasicOCSPResp> ocsps = new ArrayList<BasicOCSPResp>();
        if (ocspArray != null) {
            for (int i = 0; i < ocspArray.size(); i++) {
                PRStream stream = (PRStream) ocspArray.getAsStream(i);
                OCSPResp response = new OCSPResp(PdfReader.getStreamBytes(stream));
                BasicOCSPResp basicResponse = (BasicOCSPResp) response.getResponseObject();
                ocsps.add(basicResponse);
            }
        }
        PdfArray crlArray = dictionary.getAsArray(PdfName.CRLS);
        ArrayList<X509CRL> crls = new ArrayList<X509CRL>();
        if (crlArray != null) {
            for (int i = 0; i < crlArray.size(); i++) {
                PRStream stream = (PRStream) crlArray.getAsStream(i);
                X509CRL crl = (X509CRL) factory.generateCRL(new ByteArrayInputStream(PdfReader.getStreamBytes(stream)));
                crls.add(crl);
            }
        }
        if (ocsps.size() == 0 && crls.size() == 0) {

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                stride = (width * bpc * 3 + 7) / 8;
                pngColorType = 2;
            }
        }
        else if (colorspace instanceof PdfArray) {
            PdfArray ca = (PdfArray)colorspace;
            PdfObject tyca = ca.getDirectObject(0);
            if (PdfName.CALGRAY.equals(tyca)) {
                stride = (width * bpc + 7) / 8;
                pngColorType = 0;
            }
            else if (PdfName.CALRGB.equals(tyca)) {
                if (bpc == 8 || bpc == 16) {
                    stride = (width * bpc * 3 + 7) / 8;
                    pngColorType = 2;
                }
            }
            else if (PdfName.ICCBASED.equals(tyca)) {
                PRStream pr = (PRStream)ca.getDirectObject(1);
                int n = pr.getAsNumber(PdfName.N).intValue();
                if (n == 1) {
                    stride = (width * bpc + 7) / 8;
                    pngColorType = 0;
                    icc = PdfReader.getStreamBytes(pr);
                }
                else if (n == 3) {
                    stride = (width * bpc * 3 + 7) / 8;
                    pngColorType = 2;
                    icc = PdfReader.getStreamBytes(pr);
                }
            }
            else if (allowIndexed && PdfName.INDEXED.equals(tyca)) {
                findColorspace(ca.getDirectObject(1), false);
                if (pngColorType == 2) {
                    PdfObject id2 = ca.getDirectObject(3);
                    if (id2 instanceof PdfString) {
                        palette = ((PdfString)id2).getBytes();
                    }
                    else if (id2 instanceof PRStream) {
                        palette = PdfReader.getStreamBytes(((PRStream)id2));

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    private void decodeImageBytes() throws IOException{
        if (streamContentType != null)
            throw new IllegalStateException(MessageLocalization.getComposedMessage("Decoding.can't.happen.on.this.type.of.stream.(.1.)", streamContentType));
        
        pngColorType = -1;
        PdfArray decode = dictionary.getAsArray(PdfName.DECODE);
        width = dictionary.getAsNumber(PdfName.WIDTH).intValue();
        height = dictionary.getAsNumber(PdfName.HEIGHT).intValue();
        bpc = dictionary.getAsNumber(PdfName.BITSPERCOMPONENT).intValue();
        pngBitDepth = bpc;
        PdfObject colorspace = dictionary.getDirectObject(PdfName.COLORSPACE);
        if (colorspace instanceof PdfName && colorSpaceDic != null){
            PdfObject csLookup = colorSpaceDic.getDirectObject((PdfName)colorspace);
            if (csLookup != null)
                colorspace = csLookup;
        }


        palette = null;
        icc = null;
        stride = 0;
        findColorspace(colorspace, true);
        ByteArrayOutputStream ms = new ByteArrayOutputStream();
        if (pngColorType < 0) {
            if (bpc != 8)
                throw new UnsupportedPdfException(MessageLocalization.getComposedMessage("the.color.depth.1.is.not.supported", bpc));


            if (PdfName.DEVICECMYK.equals(colorspace)) {
            }
            else if (colorspace instanceof PdfArray) {
                PdfArray ca = (PdfArray)colorspace;
                PdfObject tyca = ca.getDirectObject(0);
                if (!PdfName.ICCBASED.equals(tyca))
                    throw new UnsupportedPdfException(MessageLocalization.getComposedMessage("the.color.space.1.is.not.supported", colorspace));
                PRStream pr = (PRStream)ca.getDirectObject(1);
                int n = pr.getAsNumber(PdfName.N).intValue();
                if (n != 4) {
                    throw new UnsupportedPdfException(MessageLocalization.getComposedMessage("N.value.1.is.not.supported", n));
                }
                icc = PdfReader.getStreamBytes(pr);

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     * Replaces CalRGB and CalGray colorspaces with DeviceRGB and DeviceGray.
     */
    public void simplifyColorspace() {
        if (additional == null)
            return;
        PdfArray value = additional.getAsArray(PdfName.COLORSPACE);
        if (value == null)
            return;
        PdfObject cs = simplifyColorspace(value);
        PdfObject newValue;
        if (cs.isName())
            newValue = cs;
        else {
            newValue = value;
            PdfName first = value.getAsName(0);
            if (PdfName.INDEXED.equals(first)) {
                if (value.size() >= 2) {
                    PdfArray second = value.getAsArray(1);
                    if (second != null) {
                        value.set(1, simplifyColorspace(second));
                    }
                }
            }

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        annotations = delayedAnnotations;
        delayedAnnotations = new ArrayList<PdfAnnotation>();
    }


    public PdfArray rotateAnnotations(PdfWriter writer, Rectangle pageSize) {
        PdfArray array = new PdfArray();
        int rotation = pageSize.getRotation() % 360;
        int currentPage = writer.getCurrentPageNumber();
        for (int k = 0; k < annotations.size(); ++k) {
            PdfAnnotation dic = annotations.get(k);
            int page = dic.getPlaceInPage();
            if (page > currentPage) {
                delayedAnnotations.add(dic);
                continue;
            }
            if (dic.isForm()) {
                if (!dic.isUsed()) {
                    HashSet<PdfTemplate> templates = dic.getTemplates();
                    if (templates != null)
                        acroForm.addFieldTemplates(templates);
                }
                PdfFormField field = (PdfFormField)dic;
                if (field.getParent() == null)
                    acroForm.addDocumentField(field.getIndirectReference());
            }
            if (dic.isAnnotation()) {
                array.add(dic.getIndirectReference());
                if (!dic.isUsed()) {
                  PdfArray tmp = dic.getAsArray(PdfName.RECT);
                    PdfRectangle rect = new PdfRectangle(tmp.getAsNumber(0).floatValue(), tmp.getAsNumber(1).floatValue());
                    if (tmp.size() == 4) {
                      rect.add(tmp.getAsNumber(2));
                      rect.add(tmp.getAsNumber(3));
                    }
                    if (rect != null) {
                      switch (rotation) {
                          case 90:
                            dic.put(PdfName.RECT, new PdfRectangle(

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   */
  public List<X509CRL> getCRLsFromDSS() throws GeneralSecurityException, IOException {
    List<X509CRL> crls = new ArrayList<X509CRL>();
    if (dss == null)
      return crls;
    PdfArray crlarray = dss.getAsArray(PdfName.CRLS);
    if (crlarray == null)
      return crls;
    CertificateFactory cf = CertificateFactory.getInstance("X.509");
    for (int i = 0; i < crlarray.size(); i++) {
      PRStream stream = (PRStream) crlarray.getAsStream(i);
      X509CRL crl = (X509CRL)cf.generateCRL(new ByteArrayInputStream(PdfReader.getStreamBytes(stream)));
      crls.add(crl);
    }
    return crls;
  }

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   */
  public List<BasicOCSPResp> getOCSPResponsesFromDSS() throws IOException, GeneralSecurityException {
    List<BasicOCSPResp> ocsps = new ArrayList<BasicOCSPResp>();
    if (dss == null)
      return ocsps;
    PdfArray ocsparray = dss.getAsArray(PdfName.OCSPS);
    if (ocsparray == null)
      return ocsps;
    for (int i = 0; i < ocsparray.size(); i++) {
      PRStream stream = (PRStream) ocsparray.getAsStream(i);
      OCSPResp ocspResponse = new OCSPResp(PdfReader.getStreamBytes(stream));
      if (ocspResponse.getStatus() == 0)
        try {
          ocsps.add((BasicOCSPResp) ocspResponse.getResponseObject());
        } catch (OCSPException e) {

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    private void updateDss() throws IOException {
        PdfDictionary catalog = reader.getCatalog();
        stp.markUsed(catalog);
        PdfDictionary dss = catalog.getAsDict(PdfName.DSS);
        PdfArray ocsps = dss.getAsArray(PdfName.OCSPS);
        PdfArray crls = dss.getAsArray(PdfName.CRLS);
        PdfArray certs = dss.getAsArray(PdfName.CERTS);
        dss.remove(PdfName.OCSPS);
        dss.remove(PdfName.CRLS);
        dss.remove(PdfName.CERTS);
        PdfDictionary vrim = dss.getAsDict(PdfName.VRI);
        //delete old validations
        if (vrim != null) {
            for (PdfName n : vrim.getKeys()) {
                if (validated.containsKey(n)) {
                    PdfDictionary vri = vrim.getAsDict(n);
                    if (vri != null) {
                        deleteOldReferences(ocsps, vri.getAsArray(PdfName.OCSP));
                        deleteOldReferences(crls, vri.getAsArray(PdfName.CRL));
                        deleteOldReferences(certs, vri.getAsArray(PdfName.CERT));
                    }
                }
            }
        }
        if (ocsps == null)
            ocsps = new PdfArray();
        if (crls == null)
            crls = new PdfArray();
        if (certs == null)
            certs = new PdfArray();
        outputDss(dss, vrim, ocsps, crls, certs);
    }

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            }
        }
    }
    
    private void createDss() throws IOException {
        outputDss(new PdfDictionary(), new PdfDictionary(), new PdfArray(), new PdfArray(), new PdfArray());
    }

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    private void outputDss(PdfDictionary dss, PdfDictionary vrim, PdfArray ocsps, PdfArray crls, PdfArray certs) throws IOException {
        PdfDictionary catalog = reader.getCatalog();
        stp.markUsed(catalog);
        for (PdfName vkey : validated.keySet()) {
            PdfArray ocsp = new PdfArray();
            PdfArray crl = new PdfArray();
            PdfArray cert = new PdfArray();
            PdfDictionary vri = new PdfDictionary();
            for (byte[] b : validated.get(vkey).crls) {
                PdfStream ps = new PdfStream(b);
                ps.flateCompress();
                PdfIndirectReference iref = writer.addToBody(ps, false).getIndirectReference();
                crl.add(iref);
                crls.add(iref);
            }
            for (byte[] b : validated.get(vkey).ocsps) {
                PdfStream ps = new PdfStream(b);
                ps.flateCompress();
                PdfIndirectReference iref = writer.addToBody(ps, false).getIndirectReference();
                ocsp.add(iref);
                ocsps.add(iref);
            }
            for (byte[] b : validated.get(vkey).certs) {
                PdfStream ps = new PdfStream(b);
                ps.flateCompress();
                PdfIndirectReference iref = writer.addToBody(ps, false).getIndirectReference();
                cert.add(iref);
                certs.add(iref);
            }
            if (ocsp.size() > 0)
                vri.put(PdfName.OCSP, writer.addToBody(ocsp, false).getIndirectReference());
            if (crl.size() > 0)
                vri.put(PdfName.CRL, writer.addToBody(crl, false).getIndirectReference());
            if (cert.size() > 0)
                vri.put(PdfName.CERT, writer.addToBody(cert, false).getIndirectReference());
            vrim.put(vkey, writer.addToBody(vri, false).getIndirectReference());
        }
        dss.put(PdfName.VRI, writer.addToBody(vrim, false).getIndirectReference());
        if (ocsps.size() > 0)

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