Imprimindo pdf na tela WEB

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();
    }

    
    

}

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