server.servlets.CookieExample (Java2HTML)

package server.servlets;

/* $Id: CookieExample.java,v 1.3 1999/04/15 04:21:32 duncan Exp $
 *
 */

import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ResourceBundle;

/**
 * Example servlet showing request headers
 *
 * @author James Duncan Davidson <duncan@eng.sun.com>
 */

public class CookieExample extends HttpServlet {

    ResourceBundle rb = ResourceBundle.getBundle("LocalStrings");

    public void doGet(HttpServletRequest request,
                      HttpServletResponse response)
            throws IOException, ServletException {
        response.setContentType("text/html");

        PrintWriter out = response.getWriter();
        out.println("<html>");
        out.println("<body bgcolor=\"white\">");
        out.println("<head>");

        String title = rb.getString("cookies.title");
        out.println("<title>" + title + "</title>");
        out.println("</head>");
        out.println("<body>");

        // relative links

        out.println("<a href=\"../servlets/cookies.html\">");
        out.println("<img src=\"../images/code.gif\" height=24 " +
                "width=24 align=right border=0 alt=\"view code\"></a>");
        out.println("<a href=\"../servlets/index.html\">");
        out.println("<img src=\"../images/return.gif\" height=24 " +
                "width=24 align=right border=0 alt=\"return\"></a>");

        out.println("<h3>" + title + "</h3>");

        Cookie[] cookies = request.getCookies();
        if (cookies.length > 0) {
            out.println(rb.getString("cookies.cookies") + "<br>");
            for (int i = 0; i < cookies.length; i++) {
                Cookie cookie = cookies[i];
                out.print("Cookie Name: " + cookie.getName() + "<br>");
                out.println("  Cookie Value: " + cookie.getValue() +
                        "<br><br>");
            }
        } else {
            out.println(rb.getString("cookies.no-cookies"));
        }

        String cookieName = request.getParameter("cookiename");
        String cookieValue = request.getParameter("cookievalue");
        if (cookieName != null && cookieValue != null) {
            Cookie cookie = new Cookie(cookieName, cookieValue);
            response.addCookie(cookie);
            out.println("<P>");
            out.println(rb.getString("cookies.set") + "<br>");
            out.print(rb.getString("cookies.name") + "  " + cookieName +
                    "<br>");
            out.print(rb.getString("cookies.value") + "  " + cookieValue);
        }

        out.println("<P>");
        out.println(rb.getString("cookies.make-cookie") + "<br>");
        out.print("<form action=\"");
        out.println("CookieExample\" method=POST>");
        out.print(rb.getString("cookies.name") + "  ");
        out.println("<input type=text length=20 name=cookiename><br>");
        out.print(rb.getString("cookies.value") + "  ");
        out.println("<input type=text length=20 name=cookievalue><br>");
        out.println("<input type=submit></form>");


        out.println("</body>");
        out.println("</html>");
    }

    public void doPost(HttpServletRequest request,
                       HttpServletResponse response)
            throws IOException, ServletException {
        doGet(request, response);
    }

}