📄 registrationform.java
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package coreservlets;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
/** Servlet that displays an HTML form to collect user's
* first name, last name, and email address. Uses cookies
* to determine the initial values of each of those
* form fields.
* <P>
* 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 RegistrationForm extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String actionURL =
"/servlet/coreservlets.RegistrationServlet";
String firstName =
CookieUtilities.getCookieValue(request, "firstName", "");
String lastName =
CookieUtilities.getCookieValue(request, "lastName", "");
String emailAddress =
CookieUtilities.getCookieValue(request, "emailAddress",
"");
String docType =
"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 " +
"Transitional//EN\">\n";
String title = "Please Register";
out.println
(docType +
"<HTML>\n" +
"<HEAD><TITLE>" + title + "</TITLE></HEAD>\n" +
"<BODY BGCOLOR=\"#FDF5E6\">\n" +
"<CENTER>\n" +
"<H1>" + title + "</H1>\n" +
"<FORM ACTION=\"" + actionURL + "\">\n" +
"First Name:\n" +
" <INPUT TYPE=\"TEXT\" NAME=\"firstName\" " +
"VALUE=\"" + firstName + "\"><BR>\n" +
"Last Name:\n" +
" <INPUT TYPE=\"TEXT\" NAME=\"lastName\" " +
"VALUE=\"" + lastName + "\"><BR>\n" +
"Email Address: \n" +
" <INPUT TYPE=\"TEXT\" NAME=\"emailAddress\" " +
"VALUE=\"" + emailAddress + "\"><P>\n" +
"<INPUT TYPE=\"SUBMIT\" VALUE=\"Register\">\n" +
"</FORM></CENTER></BODY></HTML>");
}
}
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