@SuppressWarnings("unchecked")
public <T extends Provider> T getProvider(Class<T> clazz, String id) {
    Integer hash = clazz.hashCode() + id.hashCode();
    T provider = (T) providers.get(hash);
    // KEYCLOAK-11890 - Avoid using HashMap.computeIfAbsent() to implement logic in outer if() block below,
    // since per JDK-8071667 the remapping function should not modify the map during computation. While
    // allowed on JDK 1.8, attempt of such a modification throws ConcurrentModificationException with JDK 9+
    if (provider == null) {
        ProviderFactory<T> providerFactory = factory.getProviderFactory(clazz, id);
        if (providerFactory != null) {
            provider = providerFactory.create(DefaultKeycloakSession.this);
            providers.put(hash, provider);
        }
    }
    return provider;
}
 

@SuppressWarnings("unchecked")
public <T extends Provider> T getProvider(Class<T> clazz) {
    Integer hash = clazz.hashCode();
    T provider = (T) providers.get(hash);
    // KEYCLOAK-11890 - Avoid using HashMap.computeIfAbsent() to implement logic in outer if() block below,
    // since per JDK-8071667 the remapping function should not modify the map during computation. While
    // allowed on JDK 1.8, attempt of such a modification throws ConcurrentModificationException with JDK 9+
    if (provider == null) {
        ProviderFactory<T> providerFactory = factory.getProviderFactory(clazz);
        if (providerFactory != null) {
            provider = providerFactory.create(DefaultKeycloakSession.this);
            providers.put(hash, provider);
        }
    }
    return provider;
}
 

@Override
public <T extends Provider> T getProvider(Class<T> clazz, ComponentModel componentModel) {
    String modelId = componentModel.getId();

    Object found = getAttribute(modelId);
    if (found != null) {
        return clazz.cast(found);
    }

    ProviderFactory<T> providerFactory = factory.getProviderFactory(clazz, componentModel.getProviderId());
    if (providerFactory == null) {
        return null;
    }

    @SuppressWarnings("unchecked")
    ComponentFactory<T, T> componentFactory = (ComponentFactory<T, T>) providerFactory;
    T provider = componentFactory.create(this, componentModel);
    enlistForClose(provider);
    setAttribute(modelId, provider);

    return provider;
}
 

private static ComponentFactory getComponentFactory(KeycloakSession session, String providerType, String providerId) {
    Class<? extends Provider> provider = session.getProviderClass(providerType);
    if (provider == null) {
        throw new IllegalArgumentException("Invalid provider type '" + providerType + "'");
    }

    ProviderFactory<? extends Provider> f = session.getKeycloakSessionFactory().getProviderFactory(provider, providerId);
    if (f == null) {
        throw new IllegalArgumentException("No such provider '" + providerId + "'");
    }

    ComponentFactory cf = (ComponentFactory) f;
    return cf;
}
 

Class<? extends Provider> getProviderClass(String providerClassName) {
    for (Class<? extends Provider> clazz : factoriesMap.keySet()) {
        if (clazz.getName().equals(providerClassName)) {
            return clazz;
        }
    }
    return null;
}
 

protected Map<Class<? extends Provider>, Map<String, ProviderFactory>> getFactoriesCopy() {
    Map<Class<? extends Provider>, Map<String, ProviderFactory>> copy = new HashMap<>();
    for (Map.Entry<Class<? extends Provider>, Map<String, ProviderFactory>> entry : factoriesMap.entrySet()) {
        Map<String, ProviderFactory> valCopy = new HashMap<>();
        valCopy.putAll(entry.getValue());
        copy.put(entry.getKey(), valCopy);
    }
    return copy;

}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return MetricsEventListener.class;
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return HealthIndicator.class;
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return ClientValidationProvider.class;
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return EmailTemplateProvider.class;
}
 

@Override
public <T extends Provider> ProviderFactory<T> getProviderFactory(Class<T> clazz) {
     return getProviderFactory(clazz, provider.get(clazz));
}
 

@Override
public <T extends Provider> Set<T> getAllProviders(Class<T> clazz) {
    return listProviderIds(clazz).stream()
        .map(id -> getProvider(clazz, id))
        .collect(Collectors.toSet());
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return TokenIntrospectionProvider.class;
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return ProtocolMapper.class;
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return LoginProtocol.class;
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return ClientInstallationProvider.class;
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return ScriptingProvider.class;
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return AccountProvider.class;
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return HttpClientProvider.class;
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return FormAuthenticator.class;
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return FormAction.class;
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return Authenticator.class;
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return RequiredActionProvider.class;
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return ClientAuthenticator.class;
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return WellKnownProvider.class;
}
 

@Override
public void enlistForClose(Provider provider) {
    closable.add(provider);
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return AuthenticationSessionProvider.class;
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return VaultProvider.class;
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return ClientDescriptionConverter.class;
}
 

@Override
public Class<? extends Provider> getProviderClass() {
    return UserSessionProvider.class;
}