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package interceptor
// Registry is a collector for interceptors.
type Registry struct {
factories []Factory
}
// Add adds a new Interceptor to the registry.
func (r *Registry) Add(f Factory) {
r.factories = append(r.factories, f)
}
// Build constructs a single Interceptor from a InterceptorRegistry
func (r *Registry) Build(id string) (Interceptor, error) {
if len(r.factories) == 0 {
return &NoOp{}, nil
}
interceptors := []Interceptor{}
for _, f := range r.factories {
i, err := f.NewInterceptor(id)
if err != nil {
return nil, err
}
interceptors = append(interceptors, i)
}
return NewChain(interceptors), nil
}
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