Example usage for com.itextpdf.text.pdf AcroFields getFieldPositions

Introduction

In this page you can find the example usage for com.itextpdf.text.pdf AcroFields getFieldPositions.

Prototype

public List<FieldPosition> getFieldPositions(String name) 

Source Link

Document

Gets the field box positions in the document.

Usage

From source file:book.pdftemplates.FillTemplateHelper.java

public FillTemplateHelper(String stationery) throws IOException, DocumentException {
    reader = new PdfReader(stationery);
    AcroFields fields = reader.getAcroFields();
    pageSize = reader.getPageSize(1);/*from   w  w  w .  jav  a  2s  . c  om*/
    body = fields.getFieldPositions("body").get(0).position;
    mLeft = body.getLeft() - pageSize.getLeft();
    mRight = pageSize.getRight() - body.getRight();
    mTop = pageSize.getTop() - body.getTop();
    mBottom = body.getBottom() - pageSize.getBottom();
    to = fields.getFieldPositions("to").get(0).position;
    from = fields.getFieldPositions("from").get(0).position;
    date = fields.getFieldPositions("date").get(0).position;
    footer = fields.getFieldPositions("footer").get(0).position;
    basefont = BaseFont.createFont();
    font = new Font(basefont, 12);
}

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From source file:com.education.freelancer.MainActivity.java

private void setSignatureStamp(PdfStamper stamper, AcroFields acroFields, String signId) {
    String DIRECTORY = Environment.getExternalStorageDirectory().getPath() + "/DigitSign/";
    String StoredPath = DIRECTORY + signId + ".png";
    AcroFields.FieldPosition f = acroFields.getFieldPositions(signId).get(0);
    int page = f.page;
    Rectangle rect = f.position;//from  w w w .j a v a2  s  .c o  m
    File imgFile = new File(StoredPath);
    Bitmap myBitmap = BitmapFactory.decodeFile(imgFile.getAbsolutePath());
    if (myBitmap == null) {
        return;
    }
    // myBitmap=getResizedBitmap(myBitmap,160);
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    myBitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);
    Image img = null;
    try {
        img = Image.getInstance(stream.toByteArray());
        img.scaleToFit(rect.getWidth(), rect.getHeight());
        img.setAbsolutePosition(rect.getLeft(), rect.getBottom());
        stamper.getOverContent(page).addImage(img);
        imgFile.delete();
    } catch (DocumentException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:controller.CCInstance.java

License:Open Source License

public final ArrayList<SignatureValidation> validatePDF(final String file, final ValidationListener vl)
        throws IOException, DocumentException, GeneralSecurityException {
    this.validating = true;

    final PdfReader reader = new PdfReader(file);
    final AcroFields af = reader.getAcroFields();
    final ArrayList names = af.getSignatureNames();
    final ArrayList<SignatureValidation> validateList = new ArrayList<>();
    X509Certificate x509c = null;

    Security.setProperty("ocsp.enable", "true");
    System.setProperty("com.sun.security.enableCRLDP", "true");

    boolean nextValid = true;

    for (Object o : names) {
        if (!validating) {
            return null;
        }//w  ww .  j ava 2s. c  om

        final String name = (String) o;
        final PdfPKCS7 pk = af.verifySignature(name, "BC");
        final Certificate pkc[] = pk.getCertificates();
        x509c = (X509Certificate) pkc[pkc.length - 1];

        final Certificate[] aL = pkc;//getCompleteCertificateChain(x509c);

        if (null == aL || 0 == aL.length) {
            return null;
        }

        CertificateStatus ocspCertificateStatus = CertificateStatus.UNCHECKED;

        BasicOCSPResp ocspResp = pk.getOcsp();
        if (null != ocspResp && pk.isRevocationValid()) {
            for (SingleResp singleResp : ocspResp.getResponses()) {
                if (null == singleResp.getCertStatus()) {
                    ocspCertificateStatus = CertificateStatus.OK;
                } else if (singleResp.getCertStatus() instanceof RevokedStatus) {
                    if (ocspResp.getProducedAt()
                            .before(((RevokedStatus) singleResp.getCertStatus()).getRevocationTime())) {
                        ocspCertificateStatus = CertificateStatus.OK;
                    } else {
                        ocspCertificateStatus = CertificateStatus.REVOKED;
                    }
                } else if (singleResp.getCertStatus() instanceof UnknownStatus) {
                    ocspCertificateStatus = CertificateStatus.UNKNOWN;
                }
            }
        }

        CertificateStatus crlCertificateStatus = CertificateStatus.UNCHECKED;
        Collection<CRL> crlResp = pk.getCRLs();
        if (null != crlResp) {
            boolean revoked = false;
            for (CRL crl : crlResp) {
                if (crl.isRevoked(x509c)) {
                    revoked = true;
                }
            }
            crlCertificateStatus = revoked ? CertificateStatus.REVOKED : CertificateStatus.OK;
        }

        if (ocspCertificateStatus.equals(CertificateStatus.UNCHECKED)
                && crlCertificateStatus.equals(CertificateStatus.UNCHECKED)) {
            if (pkc.length == 1) {
                Certificate[] completeChain = getCompleteTrustedCertificateChain(x509c);
                if (completeChain.length == 1) {
                    ocspCertificateStatus = CertificateStatus.UNCHAINED;
                } else {
                    ocspCertificateStatus = CertificateStatus.CHAINED_LOCALLY;
                }
            }
        }

        final TimeStampToken tst = pk.getTimeStampToken();
        boolean validTimestamp = false;
        if (null != tst) {
            final boolean hasTimestamp = pk.verifyTimestampImprint();
            validTimestamp = hasTimestamp && CertificateVerification.verifyTimestampCertificates(tst, ks, null);
        }

        PdfDictionary pdfDic = reader.getAcroFields().getSignatureDictionary(name);
        SignaturePermissions sp = new SignaturePermissions(pdfDic, null);

        boolean isValid;
        if (nextValid) {
            isValid = pk.verify();
        } else {
            isValid = false;
        }

        List<AcroFields.FieldPosition> posList = af.getFieldPositions(name);
        final SignatureValidation signature = new SignatureValidation(file, name, pk, !pk.verify(),
                af.signatureCoversWholeDocument(name), af.getRevision(name), af.getTotalRevisions(),
                reader.getCertificationLevel(), ocspCertificateStatus, crlCertificateStatus, validTimestamp,
                posList, sp, isValid);
        validateList.add(signature);

        if (null != vl) {
            vl.onValidationComplete(signature);
        }
        if (!sp.isFillInAllowed()) {
            nextValid = false;
        }
    }
    return validateList;
}

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From source file:org.obiba.mica.PdfUtils.java

License:Open Source License

public static void addImage(byte[] input, OutputStream output, Image image, String placeholder)
        throws IOException, DocumentException {
    try (PdfReaderAutoclosable pdfReader = new PdfReaderAutoclosable(input);
            PdfStamperAutoclosable pdfStamper = new PdfStamperAutoclosable(pdfReader, output)) {
        AcroFields form = pdfStamper.getAcroFields();
        List<AcroFields.FieldPosition> positions = form.getFieldPositions(placeholder);

        positions.forEach(p -> {/* w w w .  j  ava 2 s.c  om*/
            image.scaleToFit(p.position.getWidth(), p.position.getHeight());
            image.setAbsolutePosition(
                    p.position.getLeft() + (p.position.getWidth() - image.getScaledWidth()) / 2,
                    p.position.getBottom() + (p.position.getHeight() - image.getScaledHeight()) / 2);
            PdfContentByte cb = pdfStamper.getOverContent(p.page);

            try {
                cb.addImage(image);
            } catch (DocumentException e) {
                throw Throwables.propagate(e);
            }
        });
    }
}

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