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package providers
import (
"fmt"
"sync"
)
// ProviderRegistry manages registered identity providers
type ProviderRegistry struct {
mu sync.RWMutex
providers map[string]IdentityProvider
}
// NewProviderRegistry creates a new provider registry
func NewProviderRegistry() *ProviderRegistry {
return &ProviderRegistry{
providers: make(map[string]IdentityProvider),
}
}
// RegisterProvider registers a new identity provider
func (r *ProviderRegistry) RegisterProvider(provider IdentityProvider) error {
if provider == nil {
return fmt.Errorf("provider cannot be nil")
}
name := provider.Name()
if name == "" {
return fmt.Errorf("provider name cannot be empty")
}
r.mu.Lock()
defer r.mu.Unlock()
if _, exists := r.providers[name]; exists {
return fmt.Errorf("provider %s is already registered", name)
}
r.providers[name] = provider
return nil
}
// GetProvider retrieves a provider by name
func (r *ProviderRegistry) GetProvider(name string) (IdentityProvider, bool) {
r.mu.RLock()
defer r.mu.RUnlock()
provider, exists := r.providers[name]
return provider, exists
}
// ListProviders returns all registered provider names
func (r *ProviderRegistry) ListProviders() []string {
r.mu.RLock()
defer r.mu.RUnlock()
var names []string
for name := range r.providers {
names = append(names, name)
}
return names
}
// UnregisterProvider removes a provider from the registry
func (r *ProviderRegistry) UnregisterProvider(name string) error {
r.mu.Lock()
defer r.mu.Unlock()
if _, exists := r.providers[name]; !exists {
return fmt.Errorf("provider %s is not registered", name)
}
delete(r.providers, name)
return nil
}
// Clear removes all providers from the registry
func (r *ProviderRegistry) Clear() {
r.mu.Lock()
defer r.mu.Unlock()
r.providers = make(map[string]IdentityProvider)
}
// GetProviderCount returns the number of registered providers
func (r *ProviderRegistry) GetProviderCount() int {
r.mu.RLock()
defer r.mu.RUnlock()
return len(r.providers)
}
// Default global registry
var defaultRegistry = NewProviderRegistry()
// RegisterProvider registers a provider in the default registry
func RegisterProvider(provider IdentityProvider) error {
return defaultRegistry.RegisterProvider(provider)
}
// GetProvider retrieves a provider from the default registry
func GetProvider(name string) (IdentityProvider, bool) {
return defaultRegistry.GetProvider(name)
}
// ListProviders returns all provider names from the default registry
func ListProviders() []string {
return defaultRegistry.ListProviders()
}
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