Java tutorial
import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.Paragraph; import com.lowagie.text.pdf.PdfAction; import com.lowagie.text.pdf.PdfWriter; public class MainClass { public static void main(String[] args) throws Exception { Document document = new Document(); PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf")); document.open(); writer.addJavaScript("function saySomething(s) {app.alert(s)}", false); writer.setAdditionalAction(PdfWriter.DOCUMENT_CLOSE, PdfAction.javaScript("saySomething('hi');\r", writer)); document.add(new Paragraph("PDF document with a JavaScript function.")); document.close(); } }