Java Code Examples for com.itextpdf.text.pdf.PdfStamper#getAcroFields()

/**
 * <a href="http://stackoverflow.com/questions/42819618/itext-fill-checkbox-with-value">
 * itext fill checkbox with value
 * </a>
 * <br/>
 * <a href="https://www.poreskaupravars.org/Documents/Doc/PD3100.pdf">
 * PD3100.pdf
 * </a>
 * <p>
 * This test uses a valid name and so at least creates
 * a PDF displayed with a somehow selected field. 
 * </p>
 * @see #testPd3100SetVrPr4ToNoAppend()
 */
@Test
public void testPd3100SetVrPr4ToNo() throws IOException, DocumentException
{
    try (   InputStream resource = getClass().getResourceAsStream("PD3100.pdf");
            OutputStream result = new FileOutputStream(new File(RESULT_FOLDER, "PD3100-SetVrPr4ToNo.pdf"))  )
    {
        PdfReader pdfReader = new PdfReader(resource);
        PdfStamper pdfStamper = new PdfStamper(pdfReader, result, (char)0, false);
        AcroFields acroFields = pdfStamper.getAcroFields();
        System.out.println("Available values for VrPr4: " + Arrays.asList(acroFields.getAppearanceStates("VrPr4")));
        acroFields.setField("VrPr4", "No");
        pdfStamper.close();
    }
}
 

/**
     * <a href="http://stackoverflow.com/questions/28967737/itextsharp-setfield-for-fields-with-same-name-on-different-pages">
     * iTextSharp SetField for fields with same name on different pages
     * </a>
     * <p>
     * Reproducing the issue with iText
     * </p>
     */
    @Test
    public void testFillInForm() throws IOException, DocumentException
    {
        try (   InputStream resource = getClass().getResourceAsStream("ING_bewindvoering_regelen_tcm162-49609.pdf");
                OutputStream result = new FileOutputStream(new File(RESULT_FOLDER, "hybrid-form-fillin.pdf"))   )
        {
            PdfReader reader = new PdfReader(resource);
            PdfStamper stamper = new PdfStamper(reader, result);
            AcroFields fields = stamper.getAcroFields();
            fields.setField("topmostSubform[0].CheckBox2A[0]", "1");
//            fields.setField("topmostSubform[0].Page2[0].CheckBox2A[0]", "1");
            stamper.close();
        }
    }
 

void setFields(File result, String value) throws IOException, DocumentException
{
    try ( InputStream resource = getClass().getResourceAsStream("RichTextDoc.pdf")  )
    {
        PdfReader reader = new PdfReader(resource);
        PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(result));
        
        AcroFields fields = stamper.getAcroFields();
        fields.setGenerateAppearances(false);
        Assert.assertFalse("Setting rich text to normal field should fail", fields.setFieldRichValue("NormalText", value));
        Assert.assertTrue("Setting rich text to rich text field should succeed", fields.setFieldRichValue("RichText", value));
        
        stamper.close();
    }
}
 

/**
 * <a href="http://stackoverflow.com/questions/37027579/how-to-associate-a-previous-signature-in-a-new-signature-field">
 * How to associate a previous signature in a new signature field
 * </a>
 * <br/>
 * <span>BLANK-signed.pdf, <em>a blank file from elsewhere with an invisible signature.</em></span>
 * <p>
 * Quite surprisingly it turns out that changing the signature appearance is possible without
 * breaking the signature, merely a warning appears which can be hidden by simply signing again.
 * </p>
 */
@Test
public void testChangeAppearances() throws IOException, DocumentException
{
    try (   InputStream resource = getClass().getResourceAsStream("BLANK-signed.pdf");
            OutputStream result = new FileOutputStream(new File(RESULT_FOLDER, "BLANK-signed-app.pdf")))
    {
        PdfReader pdfReader = new PdfReader(resource);
        PdfStamper pdfStamper = new PdfStamper(pdfReader, result, '\0', true);

        AcroFields acroFields = pdfStamper.getAcroFields();
        for (String signatureName : acroFields.getSignatureNames())
        {
            Item field = acroFields.getFieldItem(signatureName);
            field.writeToAll(PdfName.RECT, new PdfArray(new int[]{100,100,200,200}), Item.WRITE_WIDGET);
            field.markUsed(acroFields, Item.WRITE_WIDGET);
            
            PdfAppearance appearance = PdfAppearance.createAppearance(pdfStamper.getWriter(), 100, 100);
            appearance.setColorStroke(BaseColor.RED);
            appearance.moveTo(0, 0);
            appearance.lineTo(99, 99);
            appearance.moveTo(0, 99);
            appearance.lineTo(99, 0);
            appearance.stroke();
            
            PdfDictionary appDict = new PdfDictionary();
            appDict.put(PdfName.N, appearance.getIndirectReference());
            field.writeToAll(PdfName.AP, appDict, Item.WRITE_WIDGET);
        }

        pdfStamper.close();
    }
}
 

/**
 * <a href="http://stackoverflow.com/questions/32332490/new-signature-field-rotated-90-degrees">
 * New Signature Field Rotated 90 Degrees
 * </a>
 * <br/>
 * <a href="https://drive.google.com/open?id=0B3pKBz-WDrXnM3hYeDFtXzhldnM">
 * DA3161-Template.pdf
 * </a>
 * <p>
 * The page in your document is rotated using the Rotate page dictionary entry.
 * When creating a field to be filled-in by others later, you have to add a hint
 * to the field indicating a counter-rotation if you want the field content to
 * effectively appear upright.
 * </p>
 * <p>
 * You do this by setting the MKRotation attribute of the field. This creates a
 * rotation entry R with value 90 in the appearance characteristics dictionary
 * MK of the field.
 * </p>
 */
@Test
public void testDA3161_Template() throws IOException, GeneralSecurityException, NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException, DocumentException
{
    try (   InputStream resource = getClass().getResourceAsStream("DA3161-Template.pdf");
            OutputStream result = new FileOutputStream(new File(RESULT_FOLDER, "DA3161-Template_Field.pdf"))    )
    {
        System.out.println("DA3161-Template.pdf");
        PdfReader reader = new PdfReader(resource);
        PdfStamper pdfStamper = new PdfStamper(reader, result);
        AcroFields fields = pdfStamper.getAcroFields();
        int itemno = 3;

      //Get location to the field where we will place the signature field
        FieldPosition NewPosition = fields.getFieldPositions("DESC_0_" + (itemno + 1)).get(0);
        float l1 = NewPosition.position.getLeft();
        float r1 = NewPosition.position.getRight();
        float t1 = NewPosition.position.getTop();
        float b1 = NewPosition.position.getBottom();

        PdfFormField field = PdfFormField.createSignature(pdfStamper.getWriter());
        field.setFieldName("G4_SignatureX");

        // Set the widget properties
        field.setWidget(new Rectangle(r1, t1, l1, b1), PdfAnnotation.HIGHLIGHT_NONE);
        field.setFlags(PdfAnnotation.FLAGS_PRINT);

        // !!!!!!!!!!!!!!!!!!!
        field.setMKRotation(90);

        // Add the annotation
        pdfStamper.addAnnotation(field, 1);

        pdfStamper.close();
    }
}
 

/**
 * <a href="http://stackoverflow.com/questions/35134568/itext-ltv-enabled-how-to-add-more-crls">
 * iText LTV enabled - how to add more CRLs?
 * </a>
 * <p>
 * The original addLtv method of the OP modified merely to allow the
 * source PDF to be given as {@link InputStream} instead of {@link String}.
 * </p>
 */
public void addLtvJanPokorny(InputStream src, String dest) throws IOException, DocumentException, GeneralSecurityException
{
    PdfReader r = new PdfReader(src);
    FileOutputStream fos = new FileOutputStream(dest);
    PdfStamper stp = new PdfStamper(r, fos, '\0', true);
    LtvVerification v = stp.getLtvVerification();
    AcroFields fields = stp.getAcroFields();

    ArrayList<String> names = fields.getSignatureNames();
    String sigName = names.get(names.size() - 1);
    System.out.println("found signature: " + sigName);
    PdfPKCS7 pkcs7 = fields.verifySignature(sigName);

    //add LTV
    OcspClient ocsp = new OcspClientBouncyCastle();
    CrlClient crlClient1 = new CrlClientOnline("http://www.postsignum.cz/crl/psrootqca2.crl");
    ArrayList<CrlClient> crllist = new ArrayList<CrlClient>();
    crllist.add(crlClient1);
    CrlClient crlClient2 = new CrlClientOnline("http://www.postsignum.cz/crl/pspublicca2.crl");
    crllist.add(crlClient2);
    System.out.println("crllist.size=" + crllist.size());

    if (pkcs7.isTsp())
    {
        for (CrlClient crlclient : crllist)
        {
            if (v.addVerification(sigName, new OcspClientBouncyCastle(), crlclient,
                    LtvVerification.CertificateOption.SIGNING_CERTIFICATE,
                    LtvVerification.Level.CRL,
                    LtvVerification.CertificateInclusion.NO))
            {
                System.out.println("crl " + crlclient.toString() + " added to timestamp");
            }
        }
    }
    else
    {
        for (String name : names)
        {
            for (int i = 0; i < crllist.size(); i++) {
                if (v.addVerification(name, ocsp, crllist.get(i),
                        LtvVerification.CertificateOption.WHOLE_CHAIN,
                        LtvVerification.Level.CRL,
                        LtvVerification.CertificateInclusion.NO))
                {
                    System.out.println("crl " + crllist.get(i).toString() + " added to " + name);
                }
                if (i > 0)
                {
                    System.out.println("found verification, merge");
                    v.merge();
                }
            }
        }
    }
    stp.close();
}
 

/**
 * <a href="http://stackoverflow.com/questions/35134568/itext-ltv-enabled-how-to-add-more-crls">
 * iText LTV enabled - how to add more CRLs?
 * </a>
 * <p>
 * The original addLtv method of the OP modified to allow the source PDF
 * to be given as {@link InputStream} instead of {@link String} and fixed
 * to properly use multiple CRLs.
 * </p>
 */
public void addLtvFixed(InputStream src, String dest) throws IOException, DocumentException, GeneralSecurityException
{
    PdfReader r = new PdfReader(src);
    FileOutputStream fos = new FileOutputStream(dest);
    PdfStamper stp = new PdfStamper(r, fos, '\0', true);
    LtvVerification v = stp.getLtvVerification();
    AcroFields fields = stp.getAcroFields();

    ArrayList<String> names = fields.getSignatureNames();
    String sigName = names.get(names.size() - 1);
    System.out.println("found signature: " + sigName);
    PdfPKCS7 pkcs7 = fields.verifySignature(sigName);

    //add LTV
    OcspClient ocsp = new OcspClientBouncyCastle();
    CrlClient crlClient = new CrlClientOnline("http://www.postsignum.cz/crl/psrootqca2.crl", "http://www.postsignum.cz/crl/pspublicca2.crl");

    if (pkcs7.isTsp())
    {
        if (v.addVerification(sigName, new OcspClientBouncyCastle(), crlClient,
                LtvVerification.CertificateOption.SIGNING_CERTIFICATE,
                LtvVerification.Level.CRL,
                LtvVerification.CertificateInclusion.NO))
        {
            System.out.println("crl " + crlClient.toString() + " added to timestamp");
        }
    }
    else
    {
        for (String name : names)
        {
            if (v.addVerification(name, ocsp, crlClient,
                    LtvVerification.CertificateOption.WHOLE_CHAIN,
                    LtvVerification.Level.CRL,
                    LtvVerification.CertificateInclusion.NO))
            {
                System.out.println("crl " + crlClient.toString() + " added to " + name);
            }
        }
    }
    stp.close();
}
 

/**
 * <a href="http://stackoverflow.com/questions/42819618/itext-fill-checkbox-with-value">
 * itext fill checkbox with value
 * </a>
 * <br/>
 * <a href="https://www.poreskaupravars.org/Documents/Doc/PD3100.pdf">
 * PD3100.pdf
 * </a>
 * <p>
 * This test uses a valid name in append mode and so creates
 * a PDF displayed in Adobe Reader with a selected field as
 * desired. 
 * </p>
 * @see #testPd3100SetVrPr4ToNoAppend()
 */
@Test
public void testPd3100SetVrPr4ToNoAppend() throws IOException, DocumentException
{
    try (   InputStream resource = getClass().getResourceAsStream("PD3100.pdf");
            OutputStream result = new FileOutputStream(new File(RESULT_FOLDER, "PD3100-SetVrPr4ToNoAppend.pdf"))  )
    {
        PdfReader pdfReader = new PdfReader(resource);
        PdfStamper pdfStamper = new PdfStamper(pdfReader, result, (char)0, true);
        AcroFields acroFields = pdfStamper.getAcroFields();
        System.out.println("Available values for VrPr4: " + Arrays.asList(acroFields.getAppearanceStates("VrPr4")));
        acroFields.setField("VrPr4", "No");
        pdfStamper.close();
    }
}