def isAdmin = { attrs, body -> def user = attrs['user'] if(user != null && checkUserPrivs(user)) { out << body() } }
<g:isAdmin user="${myUser}"> // some restricted content </g:isAdmin>
def isAdmin = { attrs, body -> def user = attrs['user'] if(user != null && checkUserPrivs(user)) { out << body() } }
<g:isAdmin user="${myUser}"> // some restricted content </g:isAdmin>