PDF Form filling with java and iText

/**
*
*/
import java.io.FileOutputStream;
import java.io.IOException;
import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.AcroFields;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfStamper;
/**
* @author andyjarrett
*
*/
public class SimpleRegistrationForm {
/**
* @param args
* @throws IOException
* @throws DocumentException
*/
public static void main(String[] args) throws IOException, DocumentException {
PdfReader reader = new PdfReader(
"/dir/to/pdf/SimpleRegistrationForm.pdf");
PdfStamper filledOutForm = new PdfStamper(reader, new FileOutputStream(
"/dir/to/pdf/filledOutForm.pdf"));
AcroFields form = filledOutForm.getAcroFields();
form.setField("name", "Andy Jarrett");
form.setField("address", "1 infinite road");
form.setField("postal_code", "1SW");
form.setField("email", "mail@example.com");
filledOutForm.close();
}
}