Hi,
1.
thanks for starting a new "clean" thread.
2.
About the code: templateField0_null is null because you ask for
templateAcroForm.getField("field"). However, a bit later in the code,
you do this:
templateField0.setPartialName("field-" + i);
so the name is now "field-0".
And then you do a second loop, and of course, you find nothing when
searching for "field", because you changed your own field name.
I think that what you thought you were doing, was that you were working
on a copy. But no, you were altering the original field, and then add it
a second time.
3.
One thing adds to the confusion: this code I inserted
System.out.println("templateField0_null: " + templateField0_null);
prints "null" even if the variable isn't null. The toString() method of
PDField is
public String toString()
{
return "" + getDictionary().getDictionaryObject(COSName.V);
}
so it will show "null" if there is no value.
@Maruan, are you reading here? We need something better there, maybe the
field type and the value.
Tilman
Am 26.04.2015 um 18:02 schrieb Philippe de Rochambeau:
Hi Tilman,
I am creating a new thread.
Here's the issues I am having with this code:
- when I run the program, I get warning message stating that one of the
PDDocuments hasn't been closed properly, although I close all PDDocuments
- the templateField0_null field is null, although the "field" field exists in
the PDDocument’s acroForm
Thanks for your help.
You don't have to answer my questions on a week-end.
Many thanks.
Philippe
public class App {
final static File RESULT_FOLDER = new
File("/Users/philippe/Desktop/PDFBoxTests");
final static File TEMPLATE_FOLDER = new
File("/Users/philippe/Desktop/PDFBoxTests/Scribus");
public static void main( String[] args ) {
new App();
}
public App() {
try {
testGeneratedTemplate();
} catch (COSVisitorException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public void testGeneratedTemplate() throws COSVisitorException, IOException {
final byte[] generatedTemplate = generateSimpleTemplate();
final PDDocument templateDoc = new PDDocument().load(new
ByteArrayInputStream(generatedTemplate));
Files.write(new File(TEMPLATE_FOLDER, "template.pdf").toPath(),
generatedTemplate);
final PDDocument finalDoc = new PDDocument();
final List<PDField> fields = new ArrayList<PDField>();
final int numberOfPages = 2;
final float inch = 72;
final float borderThickness = inch / 48f;
final float distanceFromField = inch / 2f;
for (int i = 0; i < numberOfPages; ++i) {
final PDDocumentCatalog templateDocCatalog =
templateDoc.getDocumentCatalog();
final PDAcroForm templateAcroForm =
templateDocCatalog.getAcroForm();
List<PDField> templatePdfFields = templateAcroForm.getFields();
for (PDField field : templatePdfFields) {
System.out.println("fully qualified name = " +
field.getFullyQualifiedName());
System.out.println("alternate field name = " +
field.getAlternateFieldName());
System.out.println("partial name = " +
field.getPartialName());
}
final PDField templateField0_null = templateAcroForm.getField("field");
final PDField templateField0 = templatePdfFields.get(0);
if (templateField0 != null) {
templateField0.setValue("xxx" + i);
templateField0.setPartialName("field-" + i);
templateField0.setReadonly(true);
final List<PDPage> pages = (List<PDPage>)
templateDocCatalog.getAllPages();
PDPage page = pages.get(0);
finalDoc.addPage(page);
fields.add(templateField0);
}
}
final PDAcroForm finalForm = new PDAcroForm(finalDoc);
finalDoc.getDocumentCatalog().setAcroForm(finalForm);
finalForm.setFields(fields);
finalDoc.save(new File(RESULT_FOLDER, "form-two-templates.pdf"));
templateDoc.close();
finalDoc.close();
}
byte[] generateSimpleTemplate() throws IOException, COSVisitorException {
PDDocument template = new PDDocument();
ByteArrayOutputStream resultStream = new ByteArrayOutputStream() ;
final PDPage page = new PDPage(PDPage.PAGE_SIZE_A4);
page.setRotation(90) ;
template.addPage(page);
final PDType1Font font = PDType1Font.HELVETICA_BOLD;
// add a new AcroForm and add it to the document
final PDAcroForm acroForm = new PDAcroForm(template);
template.getDocumentCatalog().setAcroForm(acroForm);
// Add and set the resources and default appearance
final PDResources res = new PDResources();
final String fontName = res.addFont(font);
acroForm.setDefaultResources(res);
final COSDictionary cosDict = new COSDictionary();
final COSArray rect = new COSArray();
rect.add(new COSFloat(250f)); // lower x boundary
rect.add(new COSFloat(700f)); // lower y boundary
rect.add(new COSFloat(500f)); // upper x boundary
rect.add(new COSFloat(750f)); // upper y boundary
cosDict.setItem(COSName.RECT, rect);
cosDict.setItem(COSName.FT, COSName.getPDFName("Tx")); // Field
Type
cosDict.setItem(COSName.TYPE, COSName.ANNOT);
cosDict.setItem(COSName.SUBTYPE, COSName.getPDFName("Widget"));
final String da = "/" + fontName + " 12 Tf 0 g";
cosDict.setItem(COSName.DA, new COSString(da));
// add a form field to the form
final PDTextbox textBox = new PDTextbox(acroForm, cosDict);
textBox.setPartialName("field");
acroForm.getFields().add(textBox);
// specify the annotation associated with the field
// and add it to the page
final PDAnnotationWidget widget = textBox.getWidget();
page.getAnnotations().add(widget);
template.save(resultStream);
template.close();
return resultStream.toByteArray();
}
}
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