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 {jakartaee}jakarta/servlet/http/HttpServletRequest.html[HttpServletRequest] class.
Examples
Description
The {jakartaee}jakarta/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.
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The additional methods added to the request object are documented in the Grails Servlet API reference guide |