package moreservlets;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
/** Sample servlet used to test the simple filters.
*
* Taken from More Servlets and JavaServer Pages
* from Prentice Hall and Sun Microsystems Press,
* http://www.moreservlets.com/.
* © 2002 Marty Hall; may be freely used or adapted.
*/
public class TodaysSpecialServlet extends HttpServlet {
private String title, picture;
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
updateSpecials();
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String docType =
"\n";
out.println
(docType +
"\n" +
"
Today's Special\n" +
"\n" +
"\n" +
"Today's Special: " + title + "s!
\n" +
"![\""](\"images/")
\n" +
"
\n" +
"Special deal: for only twice the price, you can\n" +
"buy one, get one free!.\n" +
"");
}
// Rotate among the three available filter images.
private void updateSpecials() {
double num = Math.random();
if (num < 0.333) {
title = "Air Filter";
picture = "air-filter.jpg";
} else if (num < 0.666) {
title = "Coffee Filter";
picture = "coffee-filter.gif";
} else {
title = "Pump Filter";
picture = "pump-filter.jpg";
}
}
}