📄 cookieexample.java
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/* $Id: CookieExample.java,v 1.3 1999/04/15 04:21:32 duncan Exp $
*
*/
import java.io.*;
import java.text.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
/**
* 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);
}
}
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