How do you check the browser's user agent in a JSP page using JSTL, EL?

Question

I need to check the browser\'s user-agent to see if it is IE6. However I shouldn\'t use scriptlets (we have a strict no scriptlets policy) to do this.

Currently I u

Answer 1

If you are using spring-mobile framework you can use following to check device type

<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> 
    <c:choose> 
        <c:when test="${currentDevice.normal}"><p>"Welcome desktop user"</p> </c:when>
        <c:when test="${currentDevice.mobile}"><p>"Welcome mobile user"</p>  </c:when>
        <c:when test="${currentDevice.tab}"><p>"Welcome tab user"</p> </c:when>
    </c:choose>

Answer 2

<c:set var="browser" value="${header['User-Agent']}" scope="session"/>

Answer 3

<c:if test="${fn:contains(header['User-Agent'],'MSIE')}"></c:if>