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