" + title + "

package moreservlets; import java.io.*; import javax.servlet.*; import javax.servlet.http.*; /** Servlet that changes the company name. The web.xml * file specifies that only authenticated users in the * ceo role can access the servlet. A servlet context * attribute listener updates the former company name * when this servlet (or any other program) changes * the current company name. *

* 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 ChangeCompanyName extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { boolean isNameChanged = false; String newName = request.getParameter("newName"); if ((newName != null) && (!newName.equals(""))) { isNameChanged = true; getServletContext().setAttribute("companyName", newName); } response.setContentType("text/html"); PrintWriter out = response.getWriter(); String docType = "\n"; String title = "Company Name"; out.println (docType + "\n" + "" + title + "\n" + "\n" + "

" + title + "

"); if (isNameChanged) { out.println("Company name changed to " + newName + "."); } else { out.println("Company name not changed."); } out.println(""); } }