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package main
import (
"io"
"log"
"net/http"
restful "github.com/emicklei/go-restful/v3"
)
// This example shows how to use the OPTIONSFilter on a Container
//
// OPTIONS http://localhost:8080/users
//
// OPTIONS http://localhost:8080/users/1
type UserResource struct{}
func (u UserResource) RegisterTo(container *restful.Container) {
ws := new(restful.WebService)
ws.
Path("/users").
Consumes("*/*").
Produces("*/*")
ws.Route(ws.GET("/{user-id}").To(u.nop))
ws.Route(ws.POST("").To(u.nop))
ws.Route(ws.PUT("/{user-id}").To(u.nop))
ws.Route(ws.DELETE("/{user-id}").To(u.nop))
container.Add(ws)
}
func (u UserResource) nop(request *restful.Request, response *restful.Response) {
io.WriteString(response.ResponseWriter, "this would be a normal response")
}
func main() {
wsContainer := restful.NewContainer()
u := UserResource{}
u.RegisterTo(wsContainer)
// Add container filter to respond to OPTIONS
wsContainer.Filter(wsContainer.OPTIONSFilter)
// For use on the default container, you can write
// restful.Filter(restful.OPTIONSFilter())
log.Print("start listening on localhost:8080")
server := &http.Server{Addr: ":8080", Handler: wsContainer}
log.Fatal(server.ListenAndServe())
}
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