PARTS:
Part 9
Part 10
Part 11
Part 12
Part 13
Part 14
Part 15
Part 16
Part 17
Part 18
Part 19
Part 20
Part 21
Part 22
Part 23
Part 24
Part 25
Part 26
Part 27
Part 28
Larry Brown, Marty Hall, and Yaakov Chaikin
"Core Servlets and JavaServer Pages, Volume 2"
0 " +
"Transitional//EN\">\n";
out.println
(docType +
"\n" +
"Today's Special \n" +
"\n" +
"\n" +
"
"![](\"images/")
" ALT=\"" + title + "\">\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";
}
}
}
Chapter 5 ?– Servlet and JSP Filters 216
Listing 5.6 NoInvokerServlet.java
package coreservlets;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
/** Simple servlet used to give error messages to
* users who try to access default servlet URLs
* (i.e., http://host/webAppPrefix/servlet/ServletName)
* in Web applications that have disabled this
* behavior.
*/
public class NoInvokerServlet extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String docType =
"
Pages:
241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265
"Transitional//EN\">\n";
out.println
(docType +
"\n" +
"
"\n" +
"
"
Today's Special: " + title + "s!
\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";
}
}
}
Chapter 5 ?– Servlet and JSP Filters 216
Listing 5.6 NoInvokerServlet.java
package coreservlets;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
/** Simple servlet used to give error messages to
* users who try to access default servlet URLs
* (i.e., http://host/webAppPrefix/servlet/ServletName)
* in Web applications that have disabled this
* behavior.
*/
public class NoInvokerServlet extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String docType =
"
Pages:
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