% request.setAttribute("decorator", "none"); response.setHeader("Cache-Control","no-cache"); //HTTP 1.1 response.setHeader("Pragma","no-cache"); //HTTP 1.0 response.setDateHeader ("Expires", 0); //prevents caching at the proxy server %>
Expressions
OGNL supports expressions using primitive values.
Arithmetic:
(6 - 2)/2
on the OGNL console and hit enter. Do it for me
Logical:
(true || false) and true
on the OGNL console and hit enter. Do it for me
Equality:
'a' == 'a'
on the OGNL console and hit enter. Do it for me
OGNL supports many more operators and expressions, see [Operators Reference] for more details.