Example usage for com.lowagie.text.pdf AcroFields renameField

Introduction

In this page you can find the example usage for com.lowagie.text.pdf AcroFields renameField.

Prototype

public boolean renameField(String oldName, String newName) 

Source Link

Document

Renames a field.

Usage

From source file:it.jugpadova.blo.ParticipantBadgeBo.java

License:Apache License

/**
 * Build a PDF with the badges of confirmed participants.
 *//*from  w  w w . j  a  va  2s  .c  om*/
public byte[] buildPDFBadges(Event event) throws IOException, DocumentException {
    List<Participant> participants = participantDao
            .findConfirmedParticipantsByEventIdOrderByLastNameAndFirstName(event.getId());
    int participantsPerPage = getParticipantsPerPage(event);
    int pages = (participants.size() / participantsPerPage) + 2; // prints a more page with empty badges
    ByteArrayOutputStream pdfMergedBaos = new ByteArrayOutputStream();
    PdfCopyFields pdfMerged = new PdfCopyFields(pdfMergedBaos);
    int newIndex = 1;
    for (int i = 0; i < pages; i++) {
        InputStream templateIs = getBadgePageTemplateInputStream(event);
        RandomAccessFileOrArray rafa = new RandomAccessFileOrArray(templateIs);
        PdfReader template = new PdfReader(rafa, null);
        ByteArrayOutputStream pdfPageBaos = new ByteArrayOutputStream();
        PdfStamper pdfPage = new PdfStamper(template, pdfPageBaos);
        AcroFields pdfPageForm = pdfPage.getAcroFields();
        for (int j = 1; j <= participantsPerPage; j++) {
            pdfPageForm.renameField("title" + j, "title" + newIndex);
            pdfPageForm.renameField("firstName" + j, "firstName" + newIndex);
            pdfPageForm.renameField("lastName" + j, "lastName" + newIndex);
            pdfPageForm.renameField("firm" + j, "firm" + newIndex);
            pdfPageForm.renameField("role" + j, "role" + newIndex);
            newIndex++;
        }
        pdfPage.close();
        template.close();
        pdfMerged.addDocument(new PdfReader(pdfPageBaos.toByteArray()));
    }
    pdfMerged.close();
    ByteArrayOutputStream resultBaos = new ByteArrayOutputStream();
    PdfReader mergedReader = new PdfReader(pdfMergedBaos.toByteArray());
    PdfStamper mergedStamper = new PdfStamper(mergedReader, resultBaos);
    AcroFields mergedForm = mergedStamper.getAcroFields();
    int count = 1;
    for (int i = 0; i < pages; i++) {
        for (int j = 1; j <= participantsPerPage; j++) {
            mergedForm.setField("title" + count, event.getTitle());
            count++;
        }
    }
    count = 1;
    for (Participant participant : participants) {
        mergedForm.setField("firstName" + count, participant.getFirstName());
        mergedForm.setField("lastName" + count, participant.getLastName());
        count++;
    }
    mergedStamper.setFormFlattening(true);
    mergedStamper.close();
    return resultBaos.toByteArray();
}

---

From source file:org.openelis.bean.WorksheetPrintReportBean.java

License:Open Source License

@SuppressWarnings("unchecked")
private void renameFields(AcroFields form, int pageNumber) {
    Set<String> fieldNames;

    fieldNames = ((HashMap<String, AcroFields.Item>) form.getFields().clone()).keySet();
    for (String fieldName : fieldNames)
        form.renameField(fieldName, fieldName + "_page" + pageNumber);
}

---