Re: Getting the date/time from the client

Vinu Varghese Tue, 11 Jul 2006 02:19:11 -0700

SK,

That javascript prints the current client time. But I want the clienttime with the request.

The scenario is :


I have a index.jsp

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
   pageEncoding="ISO-8859-1"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
Client time : <a href="clienttime.htm"> Click</a>
</body>
</html>

and a servlet that can take the client time (Hoping to :-) ) which ismapped to 'clienttime.htm'

protected void doGet(HttpServletRequest request, HttpServletResponseresponse) throws ServletException, IOException {response.setContentType("text/plain");long time = request.getDateHeader("Date"); // Hoping to get theclient date.PrintWriter out = response.getWriter();out.println("Server time " + new Date());out.println("Client time (long) " + time);out.println("Client time " + new Date(time));}

Is there any way to do this (get the client time from the request) ?

Or Am I trying to do a dumb thing ? ;)

Thanks & Regards
Vinu




Shinya Koizumi wrote:

Vinu
Yeah, you are right about it, I can't get getDateHeader working.

For the solution one, I have setup like this for jsp and worked.

<%@ page session="false" %>
<html>
   <head>

<meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">

   <title><%= application.getServerInfo() %></title>
</head>
<body>
Current Time:
<%
out.println("<SCRIPT LANGUAGE=JavaScript>");
out.println("var currentTime = new Date();");
out.println("document.write(currentTime.toLocaleString());");
out.println("</SCRIPT>");
out.println("</HEAD>");
%>
</body>
</html>

SK
----- Original Message ----- From: "Vinu Varghese" <[EMAIL PROTECTED]>
To: "Tomcat Users List" <users@tomcat.apache.org>
Sent: Tuesday, July 11, 2006 1:24 AM
Subject: Re: Getting the date/time from the client

Thanks SK,

I tried the second solution , but request.getDateHeader("Date")returns -1 .


Also I didn't understand the first solution ( embed a javascript), Can u
pls elaborate that.

Thanks and regards
Vinu

Shinya Koizumi wrote:

One is to embed javascript in the output

out.println("<HTML><HEAD><title>JavaScriptExample</title>");
    out.println("<SCRIPT LANGUAGE=JavaScript>");
    out.println("function back() {");
    out.println("history.back(-1);");
    out.println("}");
    out.println("</SCRIPT>");
    out.println("</HEAD>");


The other solution is to get it from the request header.

protected void doGet(HttpServletRequest request, HttpServletResponse
response)
        throws ServletException, IOException {
    long l = request.getDateHeader("Date");
    Date d = new Date(l);
    System.out.println(d);
}

SK
----- Original Message ----- From: "Vinu Varghese" <[EMAIL PROTECTED]>
To: "Tomcat Users List" <users@tomcat.apache.org>
Sent: Tuesday, July 11, 2006 12:51 AM
Subject: Getting the date/time from the client

Hi All,

I am doing a project in jsp/servlet and tomcat, which requires to take
the client date/time (ie the time of the machine the browser is
running). Is there any way to accomplish this ?

Thanks & regards
Vinu



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........................................

Vinu Varghese
[EMAIL PROTECTED]
www.x-minds.org




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