# List of handlers to match with requests.
private var handlers = new Map[AppRoute, Handler]
+ # List of handlers to match before every other.
+ private var pre_handlers = new Map[AppRoute, Handler]
+
+ # List of handlers to match after every other.
+ private var post_handlers = new Map[AppRoute, Handler]
+
# Register a `handler` for a route `path`.
#
# Route paths are matched in registration order.
handlers[route] = handler
end
+ # Register a pre-handler for a route `path`.
+ #
+ # Prehandlers are matched before every other handlers in registrastion order.
+ fun use_before(path: String, handler: Handler) do
+ var route = build_route(handler, path)
+ pre_handlers[route] = handler
+ end
+
+ # Register a post-handler for a route `path`.
+ #
+ # Posthandlers are matched after every other handlers in registrastion order.
+ fun use_after(path: String, handler: Handler) do
+ var route = build_route(handler, path)
+ post_handlers[route] = handler
+ end
+
redef fun handle(route, uri, req, res) do
if not route.match(uri) then return
+ handle_pre(route, uri, req, res)
+ handle_in(route, uri, req, res)
+ handle_post(route, uri, req, res)
+ end
+
+ private fun handle_pre(route: AppRoute, uri: String, req: HttpRequest, res: HttpResponse) do
+ for hroute, handler in pre_handlers do
+ handler.handle(hroute, route.uri_root(uri), req, res)
+ end
+ end
+
+ private fun handle_in(route: AppRoute, uri: String, req: HttpRequest, res: HttpResponse) do
for hroute, handler in handlers do
handler.handle(hroute, route.uri_root(uri), req, res)
if res.sent then break
end
end
+ private fun handle_post(route: AppRoute, uri: String, req: HttpRequest, res: HttpResponse) do
+ for hroute, handler in post_handlers do
+ handler.handle(hroute, route.uri_root(uri), req, res)
+ end
+ end
+
private fun build_route(handler: Handler, path: String): AppRoute do
if handler isa Router or handler isa StaticHandler then
return new AppGlobRoute(path)