Java/PDF RTF/Servlet

Output in Pdf format in a servlet

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
public class OutSimplePdf extends HttpServlet {
  public void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
    makePdf(request, response, "GET");
  }
  
  protected void doPost(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {
      makePdf(request, response, "POST");
  }
  public void makePdf(HttpServletRequest request, HttpServletResponse response, String methodGetPost) {
    try {
      Document document = new Document();
      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      PdfWriter.getInstance(document, baos);
      document.open();
      document.add(new Paragraph("some text"));
      document.close();
      response.setHeader("Expires", "0");
      response.setHeader("Cache-Control", "must-revalidate, post-check=0, pre-check=0");
      response.setHeader("Pragma", "public");
      response.setContentType("application/pdf");
      response.setContentLength(baos.size());
      ServletOutputStream out = response.getOutputStream();
      baos.writeTo(out);
      out.flush();
    } catch (Exception e2) {
      System.out.println("Error in " + getClass().getName() + "\n" + e2);
    }
  }
}

Output PDF file in a Servlet

  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;

//   Output PDF file in a Servlet.
  public class PDFServlet extends HttpServlet {
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException,
        ServletException {
      String presentationtype = request.getParameter("presentationtype");
      Document document = new Document();
      try {
        if ("pdf".equals(presentationtype)) {
          response.setContentType("application/pdf");
          PdfWriter.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();
    }
  }