Imprimindo pdf na tela WEB

Programação Java
#1

Como faço pra imprimir esse document que foi criado aki nessa classe na tela, mas chamando ele em outra classe???
eu estanciao ele numa outra classe e nada acontece… (obviamente, deve estar faltando algo que eu não sei)
ClassePdf teste = new ClassePdf();
como devo proceder?
Grato!!!

/*
 * Created on 04/04/2008
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */

import javax.servlet.http.HttpServlet;

import java.io.IOException;
import java.util.Date;

import javax.servlet.ServletException;
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 ClassePdf extends HttpServlet{
    
    public void doGet (HttpServletRequest request, HttpServletResponse response)
    throws IOException, ServletException {
        
        // we retrieve the presentationtype
        String presentationtype = request.getParameter("presentationtype");
        
        // step 1
        Document document = new Document();
        try {
            // step 2: we set the ContentType and create an instance of the corresponding Writer
            if ("pdf".equals(presentationtype)) {
                response.setContentType("application/pdf");
                PdfWriter.getInstance(document, response.getOutputStream());
            }
            else if ("html".equals(presentationtype)) {
                response.setContentType("text/html");
                HtmlWriter.getInstance(document, response.getOutputStream());
            }
            else if ("rtf".equals(presentationtype)) {
                response.setContentType("text/rtf");
                RtfWriter2.getInstance(document, response.getOutputStream());
            }
            else {
                response.sendRedirect("http://itextdocs.lowagie.com/tutorial/general/webapp/index.html#HelloWorld");
            }
            
            // step 3
            document.open();
            
            // step 4
            document.add(new Paragraph("Hello World"));
            document.add(new Paragraph(new Date().toString()));
        }
        catch(DocumentException de) {
            de.printStackTrace();
            System.err.println("document: " + de.getMessage());
        }
        
        // step 5: we close the document (the outputstream is also closed internally)
        document.close();
    }

    
    

}
#2