package coreservlets; import java.io.*; import javax.servlet.*; import javax.servlet.http.*; import java.net.*; /** Dynamically generated variation of the * SearchEngines.html front end that uses cookies * to remember a user's preferences. *

* Taken from Core Servlets and JavaServer Pages * from Prentice Hall and Sun Microsystems Press, * http://www.coreservlets.com/. * © 2000 Marty Hall; may be freely used or adapted. */ public class SearchEnginesFrontEnd extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { Cookie[] cookies = request.getCookies(); String searchString = ServletUtilities.getCookieValue(cookies, "searchString", "Java Programming"); String numResults = ServletUtilities.getCookieValue(cookies, "numResults", "10"); String searchEngine = ServletUtilities.getCookieValue(cookies, "searchEngine", "google"); response.setContentType("text/html"); PrintWriter out = response.getWriter(); String title = "Searching the Web"; out.println (ServletUtilities.headWithTitle(title) + "\n" + "

Searching the Web

\n" + "\n" + "\n" + "\n" + "\n" + "\n"); } private String checked(String name1, String name2) { if (name1.equals(name2)) return(" CHECKED"); else return(""); } }