CookieServlet.java
package com.rdta;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
public class CookieServlet extends HttpServlet {
/**Process the HTTP Get request*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
Cookie c1 = new Cookie("userName", "prasanthi");
Cookie c2 = new Cookie("password", "sourav");
response.addCookie(c1);
response.addCookie(c2);
Cookie c3=new Cookie("santhi","test");
c3.setPath(request.getContextPath());
c3.setMaxAge(120);
response.addCookie(c3);
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<HTML>");
out.println("<HEAD>");
out.println("<TITLE>Cookie Test</TITLE>");
out.println("</HEAD>");
out.println("<BODY>");
out.println("Please click the button to see the cookies sent to you.");
out.println("path"+c3.getPath());
out.println("path"+request.getContextPath());
out.println("<BR>");
out.println("<FORM METHOD=POST>");
out.println("<INPUT TYPE=SUBMIT VALUE=Submit>");
out.println("</FORM>");
out.println("</BODY>");
out.println("</HTML>");
}
/**Process the HTTP Post request*/
public void doPost(HttpServletRequest request, HttpServletResponse response) throws
ServletException,IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<HTML>");
out.println("<HEAD>");
out.println("<TITLE>Cookie Test</TITLE>");
out.println("</HEAD>");
out.println("<BODY>");
out.println("<H2>Here are all the headers.</H2>");
Enumeration enum1 = request.getHeaderNames();
while (enum1.hasMoreElements()) {
String header = (String) enum1.nextElement();
out.print("<B>" + header + "</B>: ");
out.print(request.getHeader(header) + "<BR>");
}
out.println("<BR><BR><H2>And, here are all the cookies.</H2>");
Cookie[] cookies = request.getCookies();
int length = cookies.length;
for (int i=0; i<length; i++) {
Cookie cookie = cookies[i];
out.println("<B>Cookie Name:</B> " + cookie.getName() + "<BR>");
out.println("<B>Cookie Value:</B> " + cookie.getValue() + "<BR>");
}
out.println("</BODY>");
out.println("</HTML>");
}
}
cookie.html
<html>
<body>
<form method="get" action="cookie">
<input type="submit" value="submit"/>
</form>
</body>
</html>
web.xml
<web-app>
<servlet>
<servlet-name>cookie</servlet-name>
<servlet-class>com.rdta.CookieServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>cookie</servlet-name>
<url-pattern>/cookie</url-pattern>
</servlet-mapping>
</web-app>
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