package ch15;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class CookieCutter extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
if (request.getParameter("setcookie") != null) {
Cookie cookie = new Cookie("Learningjava", "Cookies!");
//음수로 지정된경우 쿠키가 영구적으로 저장되면 않되며 브라우저가 종료될때 쿠키정보가 지워지게된다.
cookie.setMaxAge(3600);
response.addCookie(cookie);
out.println("<html><body><h1>Cookie Set...</h1>");
} else {
out.println("<html><body>");
Cookie[] cookies = request.getCookies();
if (cookies.length == 0)
out.println("<h1>No cookies found...</h1>");
else
for (int i = 0; i < cookies.length; i++)
out.print("<h1>Name: " + cookies[i].getName() + "<br>" + "Value: " + cookies[i].getValue()
+ "</h1>");
out.println("<p><a href=\"" + request.getRequestURI() + "?setcookie=true\">"
+ "Reset the Learning Java cookie.</a>");
}
out.println("</body></html>");
out.close();
}
}
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