Script - Leer campos de formulario PDF

Este es un script que muestra cómo leer los campos de un formulario PDF. Documento de ejemplo formtempl.pdf.

import com.lowagie.text.pdf.*;
import com.openkm.util.*;
import com.openkm.api.*;
import org.apache.commons.io.IOUtils;
import java.io.InputStream;

OKMDocument okmDocument = ContextWrapper.getContext().getBean(OKMDocument.class);
InputStream is = null;

try {
  // Replace UUID of the document by yours
  is = okmDocument.getContent(null, "e5a84c26-f8ed-4e7a-8a05-257ea4db3569", false);
  PdfReader reader = new PdfReader(is);
  PRAcroForm form = reader.getAcroForm();
  AcroFields fields = reader.getAcroFields();

  if (form != null) {
    for (PRAcroForm.FieldInformation field : form.getFields()) {
      String fieldName = field.getName();
      String fieldValue = fields.getField(fieldName);
      print("Field: " + fieldName + ", Value: " + fieldValue);
    }
  }
} finally {
  IOUtils.closeQuietly(is);
}