questions.forms.FillDynamicXfa2.java Source code

Introduction

Here is the source code for questions.forms.FillDynamicXfa2.java

Source

/*
 * This example was written by Bruno Lowagie, author of the book
 * 'iText in Action' by Manning Publications (ISBN: 1932394796).
 * You can use this example as inspiration for your own applications.
 * The following license applies:
 * http://www.1t3xt.com/about/copyright/index.php?page=MIT
 */
package questions.forms;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfStamper;
import com.lowagie.text.pdf.XfaForm;

public class FillDynamicXfa2 {

    public static final String RESOURCE_PDF = "resources/questions/forms/dynamic.pdf";
    public static final String RESOURCE_DATA = "resources/questions/forms/datasets.xml";
    public static final String RESULT = "results/questions/forms/filled_xfa2.pdf";

    public static void main(String[] args) {
        try {
            // getting new data from a "datasets" XML snippet
            File file = new File(RESOURCE_DATA);
            DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
            dbf.setNamespaceAware(true);
            DocumentBuilder db = dbf.newDocumentBuilder();
            Document newdoc = db.parse(file);
            Element element = newdoc.getDocumentElement();
            NodeList nodelist = element.getElementsByTagNameNS("http://www.xfa.org/schema/xfa-data/1.0/", "data");
            Node newdata = nodelist.item(0);

            // replacing the XFA in an existing document
            PdfReader reader = new PdfReader(RESOURCE_PDF);
            XfaForm xfa = new XfaForm(reader);
            Document doc = xfa.getDomDocument();
            NodeList list = doc.getElementsByTagNameNS("http://www.xfa.org/schema/xfa-data/1.0/", "datasets");
            list.item(0).replaceChild(doc.importNode(newdata, true), list.item(0).getFirstChild());
            PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(RESULT));
            xfa.setDomDocument(doc);
            xfa.setChanged(true);
            XfaForm.setXfa(xfa, stamper.getReader(), stamper.getWriter());
            stamper.close();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (DocumentException e) {
            e.printStackTrace();
        } catch (ParserConfigurationException e) {
            e.printStackTrace();
        } catch (SAXException e) {
            e.printStackTrace();
        }
    }
}