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 ("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());
}
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();
}
}