In JSF - Getting the Client's Locale (To Display time in browser's timezone)

Question

I\'m writing a webapp in JSF 2.0 that displays Timestamps as part of the information to the user. I would like the user to see the timestamps localized to their location (br

Answer 1

Another option would be to create a cookie on a Javascript that executes when the home page is ready. After that, the cookie will exist on each subsequent request and would be available

Your Javascript could use jQuery and jsTimezoneDetect

    $(document).ready(function() {  
        setTimezoneCookie();
    });

    function setTimezoneCookie() {

        var timezone = jstz.determine().name();

        if (null == getCookie("timezoneCookie")) {
        document.cookie = "timezoneCookie=" + timezone;
        }
    }

    function getCookie(cookieName) {
        var cookieValue = document.cookie;
        var cookieStart = cookieValue.indexOf(" " + cookieName + "=");
        if (cookieStart == -1) {
            cookieStart = cookieValue.indexOf(cookieName + "=");
        }
        if (cookieStart == -1) {
            cookieValue = null;
        } else {
            cookieStart = cookieValue.indexOf("=", cookieStart) + 1;
            var cookieEnd = cookieValue.indexOf(";", cookieStart);
            if (cookieEnd == -1) {
                cookieEnd = cookieValue.length;
            }
            cookieValue = unescape(cookieValue.substring(cookieStart, cookieEnd));
        }
        return cookieValue;
    }

Your Facelet would then use the cookie's value if it exists: