import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class CookieTest2 extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException{
response.setContentType("text/html; charset=Shift_JIS");
PrintWriter out = response.getWriter();
out.println("");
out.println("");
out.println("クッキーテスト");
out.println("");
out.println("");
Cookie cookie[] = request.getCookies();
Cookie visitedCookie = null;
if (cookie != null){
for (int i = 0 ; i < cookie.length ; i++){
if (cookie[i].getName().equals("visited")){
visitedCookie = cookie[i];
}
}
if (visitedCookie != null){
int visited = Integer.parseInt(visitedCookie.getValue()) + 1;
out.println("");
out.println(visited);
out.println("回目の訪問です。
");
visitedCookie.setValue(Integer.toString(visited));
response.addCookie(visitedCookie);
}else{
out.println("初回の訪問です。
");
Cookie newCookie = new Cookie("visited", "1");
response.addCookie(newCookie);
}
}else{
out.println("初回の訪問です。
");
Cookie newCookie = new Cookie("visited", "1");
response.addCookie(newCookie);
}
out.println("再表示");
out.println("");
out.println("");
}
}