org.apache.pdfbox.pdmodel.interactive.form.PDAcroForm Java Examples

/**
 * <a href="https://stackoverflow.com/questions/60964782/pdfbox-inconsistent-pdtextfield-behaviour-after-setvalue">
 * PDFBox Inconsistent PDTextField Behaviour after setValue
 * </a>
 * </br/>
 * <a href="https://s3-us-west-2.amazonaws.com/kx-filing-docs/b3-3.pdf">
 * b3-3.pdf
 * </a>
 * <p>
 * Indeed, PDFBox assumes in some fields that it should not create
 * field appearances which a formatting additional action would do
 * differently anyways in a viewer. In a flattening use case this is
 * obviously incorrect.
 * </p>
 * @see #testLikeAbubakarRemoveAction()
 */
@Test
public void testLikeAbubakar() throws IOException {
    try (   InputStream resource = getClass().getResourceAsStream("b3-3.pdf");
            PDDocument pdDocument = Loader.loadPDF(resource)    ) {
        PDDocumentCatalog catalog = pdDocument.getDocumentCatalog();
        PDAcroForm acroForm = catalog.getAcroForm();
        int i = 0;
        for (PDField field : acroForm.getFields()) {
            i=i+1;
            if (field instanceof PDTextField) {
                PDTextField textField = (PDTextField) field;
                textField.setValue(Integer.toString(i));
            }
        }

        pdDocument.getDocumentCatalog().getAcroForm().flatten();

        pdDocument.save(new File(RESULT_FOLDER, "b3-3-filled-and-flattened.pdf"));
    }
}
 

/**
 * <a href="https://stackoverflow.com/questions/52059931/pdfbox-setvalue-for-multiple-pdtextfield">
 * PDFBox setValue for multiple PDTextField
 * </a>
 * <br/>
 * <a href="https://ufile.io/z8jzj">
 * testform.pdf
 * </a>
 * <p>
 * Cannot reproduce the issue.
 * </p>
 */
@Test
public void testFillLikeJuvi() throws IOException {
    try (   InputStream originalStream = getClass().getResourceAsStream("testform.pdf") ) {
        PDDocument document = Loader.loadPDF(originalStream);
        PDDocumentCatalog docCatalog = document.getDocumentCatalog();
        PDAcroForm acroForm = docCatalog.getAcroForm();

        PDTextField field = (PDTextField) acroForm.getField("Check1");
        field.setValue("1111");

        PDTextField field2 = (PDTextField) acroForm.getField("Check2");
        field2.setValue("2222");

        PDTextField field3 = (PDTextField) acroForm.getField("HelloWorld");
        field3.setValue("HelloWorld");

        document.save(new File(RESULT_FOLDER, "testform-filled.pdf"));
        document.close();
    }
}
 

/**
 * <a href="https://stackoverflow.com/questions/49048556/pdfbox-set-field-value-doesnt-work">
 * PDFBox set field value doesn't work
 * </a>
 * <br/>
 * <a href="https://www.inps.it/Nuovoportaleinps/image.aspx?iIDModulo=7712&tipomodulo=1">
 * SR16_ANF_DIP.pdf
 * </a>
 * <p>
 * Indeed, the form field in question is hidden. Thus, one has to un-hide it
 * to make it visible.
 * </p>
 */
@Test
public void testFillLikeBarbara() throws IOException
{
    try (   InputStream originalStream = getClass().getResourceAsStream("SR16_ANF_DIP.pdf") )
    {
        PDDocument pdfDocument = Loader.loadPDF(originalStream);
        PDAcroForm acroForm = pdfDocument.getDocumentCatalog().getAcroForm();

        if (acroForm != null)
        {
            PDTextField pdfField = (PDTextField) acroForm.getField("info_15a");
            pdfField.getWidgets().get(0).setHidden(false);// <===
            pdfField.setValue("xxxxxx");
        }

        pdfDocument.setAllSecurityToBeRemoved(true);
        COSDictionary dictionary = pdfDocument.getDocumentCatalog().getCOSObject();
        dictionary.removeItem(COSName.PERMS);

        pdfDocument.save(new File(RESULT_FOLDER, "SR16_ANF_DIP-filled.pdf"));
        pdfDocument.close();
    }
}
 

/**
 * <a href="https://stackoverflow.com/questions/54820224/why-is-pdfbox-overwriting-multiple-fields-even-when-they-dont-match-the-fullyq">
 * Why is PDFBox overwriting multiple Fields, even when they don't match the fullyQualifiedName? (Kotlin Android)
 * </a>
 * <br/>
 * <a href="http://www.kylevp.com/csOnePage.pdf">
 * csOnePage.pdf
 * </a>
 * <p>
 * The problem is due to some fields of the form sharing empty
 * appearance XObjects and PDFBox assuming in case of existing
 * appearance XObjects that it can simply update this existing
 * appearance instead of having to create a new one from scratch.
 * </p>
 * <p>
 * A work-around is to remove existing appearances from a field
 * before setting its value, see below.
 * </p>
 */
@Test
public void testLikeKyle() throws IOException {
    try (   InputStream originalStream = getClass().getResourceAsStream("csOnePage.pdf") )
    {
        PDDocument doc = Loader.loadPDF(originalStream);
        PDAcroForm acroForm = doc.getDocumentCatalog().getAcroForm();

        List<String> skillList = Arrays.asList("Athletics","Acrobatics","Sleight of Hand", "Stealth","Acrana", "History","Investigation","Nature", "Religion", "Animal Handling", "Insight", "Medicine", "Perception", "Survival", "Deception", "Intimidation", "Performance", "Persuasion");

        int temp = 0;
        for (String skill : skillList) {
            PDField field = acroForm.getField(skill);
            temp += 1;
            if (field == null) {
                System.err.printf("(%d) field '%s' is null.\n", temp, skill);
            } else {
                field.getCOSObject().removeItem(COSName.AP);
                field.setValue(String.valueOf(temp));
            }
        }

        doc.save(new File(RESULT_FOLDER, "csOnePage-filled.pdf"));
        doc.close();
    }
}
 

/**
 * <a href="https://stackoverflow.com/questions/56938135/pdfbox-inconsistent-pdtextfield-autosize-behavior-after-setvalue">
 * PDFBox Inconsistent PDTextField Autosize Behavior after setValue
 * </a>
 * <br/>
 * <a href="http://www.filedropper.com/0postfontload">
 * 0.pdf
 * </a>
 * <p>
 * Indeed, some fields look weird after fill-in; for some fields
 * this is due to weird pre-existing appearance streams. These can
 * be fixed as in {@link #testFill0DropOldAppearance()}.
 * </p>
 * @see #testFill0DropOldAppearance()
 * @see #testFill0DropOldAppearanceNoCombNoMax()
 * @see #testFill0DropOldAppearanceNoCombNoMaxNoMultiLine()
 */
@Test
public void testFill0LikeXenyal() throws IOException {
    try (   InputStream originalStream = getClass().getResourceAsStream("0.pdf");
            InputStream fontStream = getClass().getResourceAsStream("Lato-Regular.ttf"))
    {
        PDDocument doc = Loader.loadPDF(originalStream);
        PDAcroForm acroForm = doc.getDocumentCatalog().getAcroForm();

        PDType0Font font = PDType0Font.load(doc, fontStream, false);
        String font_name = acroForm.getDefaultResources().add(font).getName();

        for (PDField field : acroForm.getFieldTree()) {
            if (field instanceof PDTextField) {
                PDTextField textField = (PDTextField) field;
                textField.setDefaultAppearance(String.format("/%s 0 Tf 0 g", font_name));
                textField.setValue("Test");
            }
        }
        

        doc.save(new File(RESULT_FOLDER, "0-filledLikeXenyal.pdf"));
        doc.close();
    }        
}
 

/**
 * <a href="http://stackoverflow.com/questions/36964496/pdfbox-2-0-overcoming-dictionary-key-encoding">
 * PDFBox 2.0: Overcoming dictionary key encoding
 * </a>
 * <br/>
 * <a href="http://www.stockholm.se/PageFiles/85478/KYF%20211%20Best%C3%A4llning%202014.pdf">
 * KYF 211 Best&auml;llning 2014.pdf
 * </a>
 * 
 * <p>
 * Indeed, the special characters in the names are replaced by the Unicode replacement
 * character. PDFBox, when parsing a PDF name, immediately interprets its bytes as UTF-8
 * encoded which fails in the document at hand.
 * </p>
 */
@Test
public void testReadFormOptions() throws IOException
{
    try (   InputStream originalStream = getClass().getResourceAsStream("KYF 211 Best\u00e4llning 2014.pdf") )
    {
        PDDocument pdfDocument = Loader.loadPDF(originalStream);
        PDAcroForm acroForm = pdfDocument.getDocumentCatalog().getAcroForm();
        
        PDField field = acroForm.getField("Krematorier");
        List<PDAnnotationWidget> widgets = field.getWidgets();
        System.out.println("Field Name: " + field.getPartialName() + " (" + widgets.size() + ")");
        for (PDAnnotationWidget annot : widgets) {
          PDAppearanceDictionary ap = annot.getAppearance();
          Set<COSName> keys = ((COSDictionary)(ap.getCOSObject().getDictionaryObject("N"))).keySet();
          ArrayList<String> keyList = new ArrayList<>(keys.size());
          for (COSName cosKey : keys) {keyList.add(cosKey.getName());}
          System.out.println(String.join("|", keyList));
        }
    }
}
 

/**
 * <a href="https://stackoverflow.com/questions/56938135/pdfbox-inconsistent-pdtextfield-autosize-behavior-after-setvalue">
 * PDFBox Inconsistent PDTextField Autosize Behavior after setValue
 * </a>
 * <br/>
 * <a href="http://www.filedropper.com/0postfontload">
 * 0.pdf
 * </a>
 * <p>
 * Removing the old appearance streams before setting the new field
 * values removes the compression of the Resident Name and Care
 * Providers Address fields. In the latter case, though, the lower
 * part of the field value now is cut off.
 * </p>
 * <p>
 * For some fields only the first two letters are visible. This is
 * due to them being two character comb fields. These can changed
 * as in {@link #testFill0DropOldAppearanceNoCombNoMax()}.
 * </p>
 * @see #testFill0LikeXenyal()
 * @see #testFill0DropOldAppearanceNoCombNoMax()
 * @see #testFill0DropOldAppearanceNoCombNoMaxNoMultiLine()
 */
@Test
public void testFill0DropOldAppearance() throws IOException {
    try (   InputStream originalStream = getClass().getResourceAsStream("0.pdf");
            InputStream fontStream = getClass().getResourceAsStream("Lato-Regular.ttf"))
    {
        PDDocument doc = Loader.loadPDF(originalStream);
        PDAcroForm acroForm = doc.getDocumentCatalog().getAcroForm();

        PDType0Font font = PDType0Font.load(doc, fontStream, false);
        String font_name = acroForm.getDefaultResources().add(font).getName();

        for (PDField field : acroForm.getFieldTree()) {
            if (field instanceof PDTextField) {
                PDTextField textField = (PDTextField) field;
                textField.setDefaultAppearance(String.format("/%s 0 Tf 0 g", font_name));
                textField.getWidgets().forEach(w -> w.getAppearance().setNormalAppearance((PDAppearanceEntry)null));
                textField.setValue("Test");
            }
        }
        

        doc.save(new File(RESULT_FOLDER, "0-filledDropOldAppearance.pdf"));
        doc.close();
    }        
}
 

/**
 * <a href="http://stackoverflow.com/questions/39574021/how-can-the-internal-labels-of-the-editable-fields-in-an-acroform-pdf-be-found">
 * How can the internal labels of the editable fields in an acroform .pdf be found and listed?
 * </a>
 * <p>
 * This method retrieves the form field names from the given {@link PDDocument}. 
 * </p>
 */
List<String> getFormFieldNames(PDDocument pdDocument)
{
    PDAcroForm pdAcroForm = pdDocument.getDocumentCatalog().getAcroForm();
    if (pdAcroForm == null)
        return Collections.emptyList();

    List<String> result = new ArrayList<>();
    for (PDField pdField : pdAcroForm.getFieldTree())
    {
        if (pdField instanceof PDTerminalField)
        {
            result.add(pdField.getFullyQualifiedName());
        }
    }
    return result;
}
 

/**
 * <a href="https://stackoverflow.com/questions/22074449/how-to-know-if-a-field-is-on-a-particular-page">
 * how to know if a field is on a particular page?
 * </a>
 * <p>
 * This sample document contains the optional page entry in its annotations.
 * Thus, the fast method returns the same result as the safe one.
 * </p>
 */
@Test
public void testTestDuplicateField2() throws IOException
{
    System.out.println("test_duplicate_field2.pdf\n=================");
    try (   InputStream resource = getClass().getResourceAsStream("test_duplicate_field2.pdf")    )
    {
        PDDocument document = Loader.loadPDF(resource);
        PDAcroForm acroForm = document.getDocumentCatalog().getAcroForm();
        if (acroForm != null)
        {
            for (PDField field : acroForm.getFieldTree())
            {
                System.out.println(field.getFullyQualifiedName());
                for (PDAnnotationWidget widget : field.getWidgets())
                {
                    System.out.print(widget.getAnnotationName() != null ? widget.getAnnotationName() : "(NN)");
                    System.out.printf(" - fast: %s", determineFast(document, widget));
                    System.out.printf(" - safe: %s\n", determineSafe(document, widget));
                }
            }
        }
    }
    System.out.println();
}
 

/**
 * <a href="https://stackoverflow.com/questions/22074449/how-to-know-if-a-field-is-on-a-particular-page">
 * how to know if a field is on a particular page?
 * </a>
 * <p>
 * This sample document does not contain the optional page entry in its annotations.
 * Thus, the fast method fails in contrast to the safe one.
 * </p>
 */
@Test
public void testAFieldTwice() throws IOException
{
    System.out.println("aFieldTwice.pdf\n=================");
    try (   InputStream resource = getClass().getResourceAsStream("aFieldTwice.pdf")    )
    {
        PDDocument document = Loader.loadPDF(resource);
        PDAcroForm acroForm = document.getDocumentCatalog().getAcroForm();
        if (acroForm != null)
        {
            for (PDField field : acroForm.getFieldTree())
            {
                System.out.println(field.getFullyQualifiedName());
                for (PDAnnotationWidget widget : field.getWidgets())
                {
                    System.out.print(widget.getAnnotationName() != null ? widget.getAnnotationName() : "(NN)");
                    System.out.printf(" - fast: %s", determineFast(document, widget));
                    System.out.printf(" - safe: %s\n", determineSafe(document, widget));
                }
            }
        }
    }
    System.out.println();
}
 

/**
 * <a href="https://stackoverflow.com/questions/60964782/pdfbox-inconsistent-pdtextfield-behaviour-after-setvalue">
 * PDFBox Inconsistent PDTextField Behaviour after setValue
 * </a>
 * </br/>
 * <a href="https://s3-us-west-2.amazonaws.com/kx-filing-docs/b3-3.pdf">
 * b3-3.pdf
 * </a>
 * <p>
 * After removing the actions, PDFBox again sets appearances in
 * all fields.
 * </p>
 * @see #testLikeAbubakar()
 */
@Test
public void testLikeAbubakarRemoveAction() throws IOException {
    try (   InputStream resource = getClass().getResourceAsStream("b3-3.pdf");
            PDDocument pdDocument = Loader.loadPDF(resource)    ) {
        PDDocumentCatalog catalog = pdDocument.getDocumentCatalog();
        PDAcroForm acroForm = catalog.getAcroForm();
        int i = 0;
        for (PDField field : acroForm.getFields()) {
            i=i+1;
            if (field instanceof PDTextField) {
                PDTextField textField = (PDTextField) field;
                textField.setActions(null);
                textField.setValue(Integer.toString(i));
            }
        }

        pdDocument.getDocumentCatalog().getAcroForm().flatten();

        pdDocument.save(new File(RESULT_FOLDER, "b3-3-remove-action-filled-and-flattened.pdf"));
    }
}
 

/**
 * <a href="https://stackoverflow.com/questions/56959790/how-do-i-find-which-image-field-in-pdf-has-image-inserted-and-which-one-has-no-i">
 * How do I find which image field in PDF has image inserted and which one has no images attached using PDFbox 1.8.11?
 * </a>
 * <br/>
 * <a href="https://www.dropbox.com/s/g2wqm8ipsp8t8l5/GSA%20500%20PDF_v4.pdf?dl=0">
 * GSA 500 PDF_v4.pdf
 * </a>
 * <p>
 * This test shows how to check in the XFA XML whether a given image
 * field is set. 
 * </p>
 * @see #isFieldFilledXfa(Document, String)
 */
@Test
public void testCheckXfaGsa500Pdf_v4() throws IOException {
    try (   InputStream resource = getClass().getResourceAsStream("GSA 500 PDF_v4.pdf");
            PDDocument document = Loader.loadPDF(resource);    ) {
        PDAcroForm acroForm = document.getDocumentCatalog().getAcroForm();
        Document xfaDom = acroForm.getXFA().getDocument();

        System.out.println("Filled image fields from ImageField1..ImageField105:");
        for (int i=1; i < 106; i++) {
            if (isFieldFilledXfa(xfaDom, "ImageField" + i)) {
                System.out.printf("* ImageField%d\n", i);
            }
        }
    }
}
 

/**
 * <a href="https://stackoverflow.com/questions/52829507/multiple-esign-using-pdfbox-2-0-12-java">
 * Multiple esign using pdfbox 2.0.12 java?
 * </a>
 * <p>
 * This test demonstrates how to create a single signature in multiple signature
 * fields with one widget annotation each only referenced from a single page each
 * only. (Actually there is an extra invisible signature; it is possible to get
 * rid of it with some more code.)
 * </p>
 */
@Test
public void testCreateSignatureWithMultipleVisualizations() throws IOException {
    try (   InputStream resource = getClass().getResourceAsStream("/mkl/testarea/pdfbox2/analyze/test-rivu.pdf");
            OutputStream result = new FileOutputStream(new File(RESULT_FOLDER, "testSignedMultipleVisualizations.pdf"));
            PDDocument pdDocument = Loader.loadPDF(resource)   )
    {
        PDAcroForm acroForm = pdDocument.getDocumentCatalog().getAcroForm();
        if (acroForm == null) {
            pdDocument.getDocumentCatalog().setAcroForm(acroForm = new PDAcroForm(pdDocument));
        }
        acroForm.setSignaturesExist(true);
        acroForm.setAppendOnly(true);
        acroForm.getCOSObject().setDirect(true);

        PDRectangle rectangle = new PDRectangle(100, 600, 300, 100);
        PDSignature signature = new PDSignature();
        signature.setFilter(PDSignature.FILTER_ADOBE_PPKLITE);
        signature.setSubFilter(PDSignature.SUBFILTER_ADBE_PKCS7_DETACHED);
        signature.setName("Example User");
        signature.setLocation("Los Angeles, CA");
        signature.setReason("Testing");
        signature.setSignDate(Calendar.getInstance());
        pdDocument.addSignature(signature, this);

        for (PDPage pdPage : pdDocument.getPages()) {
            addSignatureField(pdDocument, pdPage, rectangle, signature);
        }

        pdDocument.saveIncremental(result);
    }
}
 

/**
 * Extract the text from the form fields
 */
private void parseForm(PDDocument pdfDocument, StringBuffer content) throws IOException {
	PDDocumentCatalog docCatalog = pdfDocument.getDocumentCatalog();
	PDAcroForm acroForm = docCatalog.getAcroForm();

	if (acroForm == null)
		return;

	content.append("\n");

	List<PDField> fields = acroForm.getFields();
	log.debug("{} top-level fields were found on the form", fields.size());

	for (PDField field : fields) {
		content.append(field.getPartialName());
		content.append(" = ");
		content.append(field.getValueAsString());
		content.append(" \n ");
	}
}
 

/**
 * Retrieve all signature fields from the document.
 * 
 * @return a <code>List</code> of <code>PDSignatureField</code>s
 * @throws IOException if no document catalog can be found.
 */
public List<PDSignatureField> getSignatureFields() throws IOException
{
    List<PDSignatureField> fields = new ArrayList<PDSignatureField>();
    PDAcroForm acroForm = getDocumentCatalog().getAcroForm();
    if (acroForm != null)
    {
        for (PDField field : acroForm.getFieldTree())
        {
            if (field instanceof PDSignatureField)
            {
                fields.add((PDSignatureField)field);
            }
        }
    }
    return fields;
}
 

@Override
public void createAcroFormDictionary(PDAcroForm acroForm, PDSignatureField signatureField)
        throws IOException
{
    @SuppressWarnings("unchecked")
    List<PDField> acroFormFields = acroForm.getFields();
    COSDictionary acroFormDict = acroForm.getCOSObject();
    acroForm.setSignaturesExist(true);
    acroForm.setAppendOnly(true);
    acroFormDict.setDirect(true);
    acroFormFields.add(signatureField);
    acroForm.setDefaultAppearance("/sylfaen 0 Tf 0 g");
    pdfStructure.setAcroFormFields(acroFormFields);
    pdfStructure.setAcroFormDictionary(acroFormDict);
    LOG.info("AcroForm dictionary has been created");
}
 

/**
 * <a href="http://stackoverflow.com/questions/39574021/how-can-the-internal-labels-of-the-editable-fields-in-an-acroform-pdf-be-found">
 * How can the internal labels of the editable fields in an acroform .pdf be found and listed?
 * </a>
 * <p>
 * This method retrieves the form field names from the given {@link PDDocument}
 * using a bit more fancy streaming methods. 
 * </p>
 */
List<String> getFormFieldNamesFancy(PDDocument pdDocument)
{
    PDAcroForm pdAcroForm = pdDocument.getDocumentCatalog().getAcroForm();
    if (pdAcroForm == null)
        return Collections.emptyList();

    return StreamSupport.stream(pdAcroForm.getFieldTree().spliterator(), false)
                        .filter(field -> (field instanceof PDTerminalField))
                        .map(field -> field.getFullyQualifiedName())
                        .collect(Collectors.toList());
}
 

private void sanitizeAcroFormActions(PDAcroForm acroForm) {
  if (acroForm == null) {
    LOGGER.debug("No AcroForms found");
    return;
  }
  LOGGER.trace("Checking AcroForm Actions");

  Iterator<PDField> fields = acroForm.getFieldIterator();

  fields.forEachRemaining(this::sanitizeField);
}
 

/**
 * <a href="http://stackoverflow.com/questions/39720305/ufffd-is-not-available-in-this-fonts-encoding-winansiencoding">
 * U+FFFD is not available in this font's encoding: WinAnsiEncoding
 * </a>
 * <p>
 * The issue cannot be reproduced.
 * </p>
 */
@Test
public void testFillLikeStDdt() throws IOException
{
    try (   InputStream originalStream = getClass().getResourceAsStream("FillFormField.pdf") )
    {
        PDDocument pdfDocument = Loader.loadPDF(originalStream);
        PDAcroForm acroForm = pdfDocument.getDocumentCatalog().getAcroForm();

        if (acroForm != null)
        {
            List<PDField> fields = acroForm.getFields();
            for (PDField field : fields) {
                switch (field.getPartialName()) {
                    case "Title" /*"devices"*/:
                        field.setValue("Ger�t");
                        field.setReadOnly(true);
                        break;
                }
            }
            acroForm.flatten(fields, true);
        }

        pdfDocument.save(new File(RESULT_FOLDER, "FillFormFieldStDdt.pdf"));
        pdfDocument.close();
    }
}
 

/**
 * <a href="https://stackoverflow.com/questions/55355800/acroform-text-field-not-align-to-right">
 * acroform text field not align to right
 * </a>
 * <br/>
 * <a href="https://drive.google.com/uc?id=1jFbsYGFOnx8EMiHgDsE8LQtfwJHSa5Gh&export=download">
 * form.pdf 
 * </a> as "formBee2.pdf"
 * <p>
 * Indeed, in {@link #testAlignLikeBee()} quadding does not apply.
 * But by changing the order of field value setting and quadding
 * value setting it suddenly does apply.
 * </p>
 */
@Test
public void testAlignLikeBeeImproved() throws IOException {
    try (   InputStream resource = getClass().getResourceAsStream("formBee2.pdf")    ) {
        PDDocument document = Loader.loadPDF(resource);
        PDDocumentCatalog documentCatalog = document.getDocumentCatalog();
        PDAcroForm acroForm = documentCatalog.getAcroForm();

        ((PDTextField) acroForm.getField("NewRentWithoutChargesChf")).setQ(PDVariableText.QUADDING_RIGHT);
        acroForm.getField("NewRentWithoutChargesChf").setValue("1.00");

        document.save(new File(RESULT_FOLDER, "formBee2-AlignLikeBeeImproved.pdf"));        
        document.close();
    }
}
 

/**
 * <a href="https://stackoverflow.com/questions/55355800/acroform-text-field-not-align-to-right">
 * acroform text field not align to right
 * </a>
 * <br/>
 * <a href="https://drive.google.com/uc?id=1jFbsYGFOnx8EMiHgDsE8LQtfwJHSa5Gh&export=download">
 * form.pdf 
 * </a> as "formBee2.pdf"
 * <p>
 * Indeed, the way the OP does this, quadding does not apply.
 * But see {@link #testAlignLikeBeeImproved()}.
 * </p>
 */
@Test
public void testAlignLikeBee() throws IOException {
    try (   InputStream resource = getClass().getResourceAsStream("formBee2.pdf")    ) {
        PDDocument document = Loader.loadPDF(resource);
        PDDocumentCatalog documentCatalog = document.getDocumentCatalog();
        PDAcroForm acroForm = documentCatalog.getAcroForm();

        acroForm.getField("NewRentWithoutChargesChf").setValue("1.00");
        ((PDTextField) acroForm.getField("NewRentWithoutChargesChf")).setQ(PDVariableText.QUADDING_RIGHT);

        document.save(new File(RESULT_FOLDER, "formBee2-AlignLikeBee.pdf"));        
        document.close();
    }
}
 

/**
     * <a href="https://stackoverflow.com/questions/46433388/pdfbox-could-not-find-font-helv">
     * PDFbox Could not find font: /Helv
     * </a>
     * <br/>
     * <a href="https://drive.google.com/file/d/0B2--NSDOiujoR3hOZFYteUl2UE0/view?usp=sharing">
     * 4.pdf
     * </a>
     * <p>
     * The cause is a combination of the OP and the source PDF not providing
     * a default appearance for the text field and PDFBox providing defaults
     * inconsequentially.
     * </p>
     * <p>
     * This is fixed here by setting the default appearance explicitly.
     * </p>
     */
    @Test
    public void testAddFieldLikeEugenePodoliako() throws IOException {
        try (   InputStream originalStream = getClass().getResourceAsStream("4.pdf") )
        {
            PDDocument pdf = Loader.loadPDF(originalStream);
            PDDocumentCatalog docCatalog = pdf.getDocumentCatalog();
            PDAcroForm acroForm = docCatalog.getAcroForm();
            PDPage page = pdf.getPage(0);

            PDTextField textBox = new PDTextField(acroForm);
            textBox.setPartialName("SampleField");
            acroForm.getFields().add(textBox);
            PDAnnotationWidget widget = textBox.getWidgets().get(0);
            PDRectangle rect = new PDRectangle(0, 0, 0, 0);
            widget.setRectangle(rect);
            widget.setPage(page);
//  Unnecessary code from OP
//            widget.setAppearance(acroForm.getFields().get(0).getWidgets().get(0).getAppearance());
//  Fix added to set default appearance accordingly
            textBox.setDefaultAppearance(acroForm.getFields().get(0).getCOSObject().getString("DA"));

            widget.setPrinted(false);

            page.getAnnotations().add(widget);

            acroForm.refreshAppearances();
            acroForm.flatten();
            pdf.save(new File(RESULT_FOLDER, "4-add-field.pdf"));
            pdf.close();
        }
    }
 

private void assignAcroFormDefaultResource(PDAcroForm acroForm, COSDictionary newDict)
{
    // read and set/update AcroForm default resource dictionary /DR if available
    COSBase newBase = newDict.getDictionaryObject(COSName.DR);
    if (newBase instanceof COSDictionary)
    {
        COSDictionary newDR = (COSDictionary) newBase;
        PDResources defaultResources = acroForm.getDefaultResources();
        if (defaultResources == null)
        {
            acroForm.getCOSObject().setItem(COSName.DR, newDR);
            newDR.setDirect(true);
            newDR.setNeedToBeUpdated(true);            
        }
        else
        {
            COSDictionary oldDR = defaultResources.getCOSObject();
            COSBase newXObjectBase = newDR.getItem(COSName.XOBJECT);
            COSBase oldXObjectBase = oldDR.getItem(COSName.XOBJECT);
            if (newXObjectBase instanceof COSDictionary &&
                oldXObjectBase instanceof COSDictionary)
            {
                ((COSDictionary) oldXObjectBase).addAll((COSDictionary) newXObjectBase);
                oldDR.setNeedToBeUpdated(true);
            }
        }
    }
}
 

/**
 * Get the documents AcroForm. This will return null if no AcroForm is part of the document.
 *
 * @return The document's AcroForm.
 */
public PDAcroForm getAcroForm()
{
    if (cachedAcroForm == null)
    {
        COSDictionary dict = (COSDictionary)root.getDictionaryObject(COSName.ACRO_FORM);
        cachedAcroForm = dict == null ? null : new PDAcroForm(document, dict);
    }
    return cachedAcroForm;
}
 

/**
 * <a href="https://stackoverflow.com/questions/44817793/the-method-getkids-is-undefined-for-the-type-pdfield">
 * The method getKids() is undefined for the type PDField
 * </a>
 * <br/>
 * <a href="https://issues.apache.org/jira/secure/attachment/12651245/field%20name%20test.pdf">
 * field name test.pdf
 * </a>
 * <p>
 * The problems referred to don't exist anymore.
 * </p>
 */
@Test
public void testListFieldsInFieldNameTest() throws InvalidPasswordException, IOException
{
    PDDocument doc = Loader.loadPDF(getClass().getResourceAsStream("field name test.pdf"));
    PDAcroForm form = doc.getDocumentCatalog().getAcroForm();
    List<PDField> fields = form.getFields();
    for (int i=0; i<fields.size(); i++) {
        PDField f = fields.get(i);
        if (f instanceof PDTerminalField)
        {
            System.out.printf("%s, %s widgets\n", f.getFullyQualifiedName(), f.getWidgets().size());
            for (PDAnnotationWidget widget : f.getWidgets())
                System.out.printf("  %s\n", widget.getAnnotationName());
        }
        else if (f instanceof PDNonTerminalField)
        {
            List<PDField> kids = ((PDNonTerminalField)f).getChildren();
            for (int j=0; j<kids.size(); j++) {
                if (kids.get(j) instanceof PDField) {
                    PDField kidField = (PDField) kids.get(j);
                    System.out.println(kidField.getFullyQualifiedName());
                }
            } 
        }
    }
}
 

/**
 * <a href="https://stackoverflow.com/questions/56938135/pdfbox-inconsistent-pdtextfield-autosize-behavior-after-setvalue">
 * PDFBox Inconsistent PDTextField Autosize Behavior after setValue
 * </a>
 * <br/>
 * <a href="http://www.filedropper.com/0postfontload">
 * 0.pdf
 * </a>
 * <p>
 * Resetting the comb flags and removing maximum lengths fixes the
 * appearance of the fields in which only the first two letters were
 * visible.
 * </p>
 * <p>
 * The problem of the lower part of the field value being cut off in
 * the Care Providers Address fields is due to PDFBox in case of 
 * multi line text fields using a fixed font height and not fine
 * tuning the vertical position of the field contents. In the case
 * at hand this can be fixed as in {@link #testFill0DropOldAppearanceNoCombNoMaxNoMultiLine()}.
 * </p>
 * @see #testFill0LikeXenyal()
 * @see #testFill0DropOldAppearance()
 * @see #testFill0DropOldAppearanceNoCombNoMaxNoMultiLine()
 */
@Test
public void testFill0DropOldAppearanceNoCombNoMax() throws IOException {
    final int FLAG_COMB = 1 << 24;

    try (   InputStream originalStream = getClass().getResourceAsStream("0.pdf");
            InputStream fontStream = getClass().getResourceAsStream("Lato-Regular.ttf"))
    {
        PDDocument doc = Loader.loadPDF(originalStream);
        PDAcroForm acroForm = doc.getDocumentCatalog().getAcroForm();

        PDType0Font font = PDType0Font.load(doc, fontStream, false);
        String font_name = acroForm.getDefaultResources().add(font).getName();

        for (PDField field : acroForm.getFieldTree()) {
            if (field instanceof PDTextField) {
                PDTextField textField = (PDTextField) field;
                textField.getCOSObject().removeItem(COSName.MAX_LEN);
                textField.getCOSObject().setFlag(COSName.FF, FLAG_COMB, false);;
                textField.setDefaultAppearance(String.format("/%s 0 Tf 0 g", font_name));
                textField.getWidgets().forEach(w -> w.getAppearance().setNormalAppearance((PDAppearanceEntry)null));
                textField.setValue("Test");
            }
        }
        

        doc.save(new File(RESULT_FOLDER, "0-filledDropOldAppearanceNoCombNoMax.pdf"));
        doc.close();
    }        
}
 

/**
 * <a href="https://stackoverflow.com/questions/49427615/how-to-extract-label-text-from-push-button-using-apache-pdfbox">
 * How to extract label text from Push button using Apache PDFBox?
 * </a>
 * <p>
 * This method extracts the text from the normal appearance streams
 * of the form fields in the given PDF document.
 * </p>
 * @see #testBtn()
 * @see #testKYF211Beställning2014()
 */
public void showNormalFieldAppearanceTexts(PDDocument document) throws IOException {
    PDAcroForm acroForm = document.getDocumentCatalog().getAcroForm();

    if (acroForm != null) {
        SimpleXObjectTextStripper stripper = new SimpleXObjectTextStripper();

        for (PDField field : acroForm.getFieldTree()) {
            if (field instanceof PDTerminalField) {
                PDTerminalField terminalField = (PDTerminalField) field;
                System.out.println();
                System.out.println("* " + terminalField.getFullyQualifiedName());
                for (PDAnnotationWidget widget : terminalField.getWidgets()) {
                    PDAppearanceDictionary appearance = widget.getAppearance();
                    if (appearance != null) {
                        PDAppearanceEntry normal = appearance.getNormalAppearance();
                        if (normal != null) {
                            Map<COSName, PDAppearanceStream> streams = normal.isSubDictionary() ? normal.getSubDictionary() :
                                Collections.singletonMap(COSName.DEFAULT, normal.getAppearanceStream());
                            for (Map.Entry<COSName, PDAppearanceStream> entry : streams.entrySet()) {
                                String text = stripper.getText(entry.getValue());
                                System.out.printf("  * %s: %s\n", entry.getKey().getName(), text);
                            }
                        }
                    }
                }
            }
        }
    }
}
 

/**
 * <a href="https://stackoverflow.com/questions/54988511/acroform-field-setrichtextvalue-is-not-working">
 * acroform field.setRichTextValue is not working
 * </a>
 * <br/>
 * <a href="https://drive.google.com/open?id=1jFbsYGFOnx8EMiHgDsE8LQtfwJHSa5Gh">
 * form.pdf
 * </a> as "formBee.pdf"
 * <p>
 * After correction of a few details, the code kinda runs. In
 * particular it is necessary to use PDF style rich text (and
 * not LaTeX richtext package instructions), to set the flag
 * NeedAppearances to <code>true</code>, and to provide a V
 * value equal to the RV value without markup.
 * </p>
 * <p>
 * It only "kinda" runs because the OP also wants to flatten
 * the form which doesn't work as PDFBox does not create
 * appearance streams based on the rich text value.
 * </p>
 */
@Test
public void testFormBee() throws IOException {
    try (   InputStream resource = getClass().getResourceAsStream("formBee.pdf")) {
        PDDocument pdfDocument = Loader.loadPDF(resource);

        pdfDocument.getDocument().setIsXRefStream(true);
        PDAcroForm acroForm = pdfDocument.getDocumentCatalog().getAcroForm();
        acroForm.setNeedAppearances(true);

        acroForm.getField("tenantDataValue").setValue("Deuxième texte");
        acroForm.getField("tradingAddressValue").setValue("Text replacé");
        acroForm.getField("buildingDataValue").setValue("Deuxième texte");
        acroForm.getField("oldRentValue").setValue("750");
        acroForm.getField("oldChargesValue").setValue("655");
        acroForm.getField("newRentValue").setValue("415");
        acroForm.getField("newChargesValue").setValue("358");
        acroForm.getField("increaseEffectiveDateValue").setValue("Texte 3eme contenu");

        PDTextField field = (PDTextField) acroForm.getField("tableData");
        field.setRichText(true);
        //String val = "\\rtpara[size=12]{para1}{This is 12pt font, while \\span{size=8}{this is 8pt font.} OK?}";
        String val1 = "<?xml version=\"1.0\"?>"
                + "<body xfa:APIVersion=\"Acroform:2.7.0.0\" xfa:spec=\"2.1\" xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:xfa=\"http://www.xfa.org/schema/xfa-data/1.0/\">"
                + "<p dir=\"ltr\" style=\"margin-top:0pt;margin-bottom:0pt;font-family:Helvetica;font-size:12pt\">"
                + "This is 12pt font, while "
                + "<span style=\"font-size:8pt\">this is 8pt font.</span>"
                + " OK?"
                + "</p>"
                + "</body>";
        String val1Clean = "This is 12pt font, while this is 8pt font. OK?";
        //String val2 = "<body xmlns=\"http://www.w3.org/1999/xhtml\"><p style=\"color:#FF0000;\">Red&#13;</p><p style=\"color:#1E487C;\">Blue&#13;</p></body>";
        //String val2Clean = "Red\rBlue\r";
        field.setValue(val1Clean);
        field.setRichTextValue(val1);

        pdfDocument.save(new File(RESULT_FOLDER, "formBee-filled.pdf"));
    }
}
 

/**
 * <a href="https://stackoverflow.com/questions/52829507/multiple-esign-using-pdfbox-2-0-12-java">
 * Multiple esign using pdfbox 2.0.12 java?
 * </a>
 * <br/>
 * <a href="https://drive.google.com/open?id=1DKSApmjrT424wT92yBdynKUkvR00x9i2">
 * C10000000713071804294534.pdf
 * </a>
 * <p>
 * This test demonstrates how to create a single signature in multiple signature
 * fields with one widget annotation each only referenced from a single page each
 * only. (Actually there is an extra invisible signature; it is possible to get
 * rid of it with some more code.) It uses the test file provided by the OP.
 * </p>
 */
@Test
public void testCreateSignatureWithMultipleVisualizationsC10000000713071804294534() throws IOException {
    try (   InputStream resource = getClass().getResourceAsStream("C10000000713071804294534.pdf");
            OutputStream result = new FileOutputStream(new File(RESULT_FOLDER, "C10000000713071804294534-SignedMultipleVisualizations.pdf"));
            PDDocument pdDocument = Loader.loadPDF(resource)   )
    {
        PDAcroForm acroForm = pdDocument.getDocumentCatalog().getAcroForm();
        if (acroForm == null) {
            pdDocument.getDocumentCatalog().setAcroForm(acroForm = new PDAcroForm(pdDocument));
        }
        acroForm.setSignaturesExist(true);
        acroForm.setAppendOnly(true);
        acroForm.getCOSObject().setDirect(true);

        PDRectangle rectangle = new PDRectangle(100, 600, 300, 100);
        PDSignature signature = new PDSignature();
        signature.setFilter(PDSignature.FILTER_ADOBE_PPKLITE);
        signature.setSubFilter(PDSignature.SUBFILTER_ADBE_PKCS7_DETACHED);
        signature.setName("Example User");
        signature.setLocation("Los Angeles, CA");
        signature.setReason("Testing");
        signature.setSignDate(Calendar.getInstance());
        pdDocument.addSignature(signature, this);

        for (PDPage pdPage : pdDocument.getPages()) {
            addSignatureField(pdDocument, pdPage, rectangle, signature);
        }

        pdDocument.saveIncremental(result);
    }
}
 

@Override
public void createAcroForm(PDDocument template)
{
    PDAcroForm theAcroForm = new PDAcroForm(template);
    template.getDocumentCatalog().setAcroForm(theAcroForm);
    pdfStructure.setAcroForm(theAcroForm);
    LOG.info("AcroForm has been created");
}