package plugins // import "github.com/docker/docker/pkg/plugins" import ( "fmt" "net/http" ) type statusError struct { status int method string err string } // Error returns a formatted string for this error type func (e *statusError) Error() string { return fmt.Sprintf("%s: %v", e.method, e.err) } // IsNotFound indicates if the passed in error is from an http.StatusNotFound from the plugin func IsNotFound(err error) bool { return isStatusError(err, http.StatusNotFound) } func isStatusError(err error, status int) bool { if err == nil { return false } e, ok := err.(*statusError) if !ok { return false } return e.status == status }