# Interface AuthConfigProvider

public interface AuthConfigProvider
Provides `ClientAuthConfig` and `ServerAuthConfig` instances to JASPIC authentication modules. An AuthConfigProvider is responsible for loading authentication configuration from a source (e.g., a configuration file, database, or service) and making it available to the authentication modules.

## Method Summary

Modifier and Type
Method
Description
`ClientAuthConfig`
`getClientAuthConfig(String layer, String appContext, CallbackHandler handler)`
Returns the client-side authentication configuration for the specified layer and application context.
`ServerAuthConfig`
`getServerAuthConfig(String layer, String appContext, CallbackHandler handler)`
Returns the server-side authentication configuration for the specified layer and application context.
`void`
`refresh()`
Refreshes the configuration, reloading any changed settings from the underlying source.

## Method Details

### getClientAuthConfig

ClientAuthConfig getClientAuthConfig(String layer, String appContext, CallbackHandler handler) throws AuthException
Returns the client-side authentication configuration for the specified layer and application context.

Parameters:
  `layer` - the message layer
  `appContext` - the application context
  `handler` - the callback handler for obtaining sensitive configuration data
Returns:
  the ClientAuthConfig, or `null` if no configuration is available
Throws:
  `AuthException` - if an error occurs while retrieving the configuration

### getServerAuthConfig

ServerAuthConfig getServerAuthConfig(String layer, String appContext, CallbackHandler handler) throws AuthException
Returns the server-side authentication configuration for the specified layer and application context.

Parameters:
  `layer` - the message layer
  `appContext` - the application context
  `handler` - the callback handler for obtaining sensitive configuration data
Returns:
  the ServerAuthConfig, or `null` if no configuration is available
Throws:
  `AuthException` - if an error occurs while retrieving the configuration

### refresh

void refresh()
Refreshes the configuration, reloading any changed settings from the underlying source.