JwkSetFetcher (security-jwt 3.11.1 API)

Type Parameters:

T - Json Web Key Set type

All Known Implementing Classes:

DefaultJwkSetFetcher
```
@DefaultImplementation(DefaultJwkSetFetcher.class)
public interface JwkSetFetcher<T>
```
Fetch a Json Web Key Set by a given url.

Since:

3.9.0

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void clearCache(java.lang.String url)
  
  java.util.Optional<T> fetch(java.lang.String url)

- Method Detail
  - fetch
```
@NonNull
java.util.Optional<T> fetch(@Nullable
                            java.lang.String url)
```
    Parameters:
    
    url - The Jwks uri
    
    Returns:
    
    The Json Web Key Set representation or an empty optional if it could not be loaded
  - clearCache
```
void clearCache(java.lang.String url)
```
    Parameters:
    
    url - The Jwks uri Clears cache