Java tutorial
import java.io.IOException; import java.util.Date; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.lowagie.text.Document; import com.lowagie.text.DocumentException; import com.lowagie.text.Paragraph; import com.lowagie.text.html.HtmlWriter; import com.lowagie.text.pdf.PdfWriter; import com.lowagie.text.rtf.RtfWriter2; public class HelloWorldServlet extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { String presentationtype = request.getParameter("presentationtype"); Document document = new Document(); try { if ("rtf".equals(presentationtype)) { response.setContentType("text/rtf"); RtfWriter2.getInstance(document, response.getOutputStream()); } document.open(); document.add(new Paragraph("Hello World")); document.add(new Paragraph(new Date().toString())); } catch (DocumentException de) { de.printStackTrace(); System.err.println("document: " + de.getMessage()); } document.close(); } }