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registry.go
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registry.go
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// Copyright 2015-present Oursky Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package provider
import (
"fmt"
"sync"
)
// Registry contains registered providers, which provide additional
// functionality implemented by plugins.
type Registry struct {
mutex sync.RWMutex
authProviders map[string]AuthProvider
}
// NewRegistry creates a new Registry.
func NewRegistry() *Registry {
return &Registry{
mutex: sync.RWMutex{},
authProviders: map[string]AuthProvider{},
}
}
// RegisterAuthProvider registers an AuthProvider with the registry.
func (r *Registry) RegisterAuthProvider(name string, p AuthProvider) {
r.mutex.Lock()
defer r.mutex.Unlock()
r.authProviders[name] = p
}
// GetAuthProvider gets an AuthProvider from the registry.
func (r *Registry) GetAuthProvider(name string) (AuthProvider, error) {
r.mutex.RLock()
defer r.mutex.RUnlock()
provider, ok := r.authProviders[name]
if !ok {
return nil, fmt.Errorf(`no auth provider of name "%s"`, name)
}
return provider, nil
}