PdfAction javaScript : Embedded Javascript « PDF « Java Tutorial

1. Java Tutorial
2. PDF
3. Embedded Javascript

import java.io.FileOutputStream;
import java.util.HashMap;
import java.util.List;

import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.pdf.PdfAction;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfOutline;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfWriter;
import com.lowagie.text.pdf.SimpleBookmark;
import com.lowagie.text.pdf.SimpleNamedDestination;

public class MainClass {
  public static void main(String[] args) throws Exception {
    Document document = new Document();
    PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
    writer.setViewerPreferences(PdfWriter.PageModeUseOutlines);
    document.open();
    document.add(new Chunk("asdf").setLocalDestination("Title"));

    PdfContentByte cb = writer.getDirectContent();

    PdfOutline root = cb.getRootOutline();
    PdfOutline links = new PdfOutline(root, new PdfAction(), "Useful links");
    links.setOpen(false);
    new PdfOutline(links, new PdfAction("http://www.java2s.com"), "java2s.com");
    PdfAction chained = PdfAction.javaScript("app.alert('alert');\r", writer);
    chained.next(new PdfAction("http://www.java2s.com"));

    document.close();
    PdfReader reader = new PdfReader("2.pdf");
    List list = SimpleBookmark.getBookmark(reader);
    SimpleBookmark.exportToXML(list, new FileOutputStream(
        "outline_actions1.xml"), "ISO8859-1", true);
    HashMap map = SimpleNamedDestination.getNamedDestination(reader,
        false);
    SimpleNamedDestination.exportToXML(map, new FileOutputStream(
        "outline_actions2.xml"), "ISO8859-1", true);
    
  }
}