Prentice Hall and Sun Microsystems. Personal use only; do not redistribute.

136

Chapter 6 Generating the Server Response: HTTP Status Codes

form is submitted, the servlet extracts those three parameters, constructs a

URL with the parameters embedded in a way appropriate to the search

engine selected (see the 

SearchSpec

 class of Listing 6.2), and redirects the

user to that URL (see Figure 6 2). If the user fails to choose a search engine

or specify search terms, an error page informs the client of this fact (see Fig 

ures 6 3 and 6 4). 

Second edition of this book: www.coreservlets.com; Sequel: www.moreservlets.com.

Servlet and JSP training courses by book's author: courses.coreservlets.com.