type ErrorResponse struct { Error string `json:"error"` }
type LogSpec struct { Spec string `json:"spec,omitempty"` }
type Logging interface { ActivateSpec(spec string) error Spec() string }
type SpecHandler struct { Logging Logging Logger *flogging.FabricLogger }
func NewSpecHandler() *SpecHandler
func (h *SpecHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request)