// File: RepeatVisitor.java // Simple cookie example import java.io.*; import javax.servlet.*; import javax.servlet.http.*; /** Servlet that says "Welcome aboard" to first-time * visitors and "Welcome back" to repeat visitors. * Also see RepeatVisitor2 for variation that uses * cookie utilities from later in this chapter. *

* Taken from Core Servlets and JavaServer Pages 2nd Edition * from Prentice Hall and Sun Microsystems Press, * http://www.coreservlets.com/. * © 2003 Marty Hall; may be freely used or adapted. */ public class RepeatVisitor extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { boolean newbie = true; Cookie[] cookies = request.getCookies(); if (cookies != null) { // Look for one particular cookie! for(int i=0; i\n"; out.println(docType + "\n" + "" + title + "\n" + "\n" + "

" + title + "

\n" + ""); } }