class BookController {
def list() {
log.info "User agent: ${request.getHeader("User-Agent")}"
render(view: actionName)
}
}request
Purpose
The request object is an instance of the Servlet API’s {javaee}javax/servlet/http/HttpServletRequest.html[HttpServletRequest] class
Examples
Description
The {javaee}javax/servlet/http/HttpServletRequest.html[HttpServletRequest] class is useful for, amongst other things, obtaining request headers, storing request scoped attributes and establishing information about the client. Refer to the Servlet API’s javadocs for further information.
| The additional methods added to the request object are documented in the Grails Servlet API reference guide |