func newRouter(ctx *Context, next http.Handler) http.Handler {
if ctx.router == nil {
ctx.router = DefaultRouter(ctx.spec, ctx.api)
}
isRoot := ctx.spec.BasePath() == "" || ctx.spec.BasePath() == "/"
return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
defer context.Clear(r)
// use context to lookup routes
if isRoot {
if _, ok := ctx.RouteInfo(r); ok {
next.ServeHTTP(rw, r)
return
}
} else {
if p := strings.TrimPrefix(r.URL.Path, ctx.spec.BasePath()); len(p) < len(r.URL.Path) {
r.URL.Path = p
if _, ok := ctx.RouteInfo(r); ok {
next.ServeHTTP(rw, r)
return
}
}
}
// Not found, check if it exists in the other methods first
if others := ctx.AllowedMethods(r); len(others) > 0 {
ctx.Respond(rw, r, ctx.spec.RequiredProduces(), nil, errors.MethodNotAllowed(r.Method, others))
return
}
ctx.Respond(rw, r, ctx.spec.RequiredProduces(), nil, errors.NotFound("path %s was not found", r.URL.Path))
})
}
func petByID(id int64) (*Pet, error) {
for _, pet := range pets {
if pet.ID == id {
return &pet, nil
}
}
return nil, errors.NotFound("not found: pet %d", id)
}
// NotFound the default not found responder for when no route has been matched yet
func (c *Context) NotFound(rw http.ResponseWriter, r *http.Request) {
c.Respond(rw, r, []string{httpkit.JSONMime}, nil, errors.NotFound("not found"))
}