private synchronized ScopeValidator getScopeValidator() throws ServerException {
if (scopeValidator == null) {
try {
final String scopeValidatorClassName =
getStringSettingValue(OAuth2ProviderService.SCOPE_PLUGIN_CLASS);
if (isEmpty(scopeValidatorClassName)) {
logger.message("Scope Validator class not set.");
throw new ServerException("Scope Validator class not set.");
}
final Class<?> scopeValidatorClass = Class.forName(scopeValidatorClassName);
if (Scope.class.isAssignableFrom(scopeValidatorClass)) {
final Scope scopeClass =
InjectorHolder.getInstance(scopeValidatorClass.asSubclass(Scope.class));
return new LegacyScopeValidator(scopeClass);
}
scopeValidator =
InjectorHolder.getInstance(scopeValidatorClass.asSubclass(ScopeValidator.class));
} catch (ClassNotFoundException e) {
logger.error(e.getMessage());
throw new ServerException(e);
}
}
return scopeValidator;
}
private ResponseTypeHandler wrap(String responseTypeName, String responseTypeHandlerClassName)
throws UnsupportedResponseTypeException {
if (responseTypeHandlerClassName == null || responseTypeHandlerClassName.isEmpty()) {
logger.warning(
"Requested a response type that is not configured. response_type=" + responseTypeName);
throw new UnsupportedResponseTypeException("Response type is not supported");
} else if (responseTypeHandlerClassName.equalsIgnoreCase("none")) {
return new NoneResponseTypeHandler();
}
try {
final Class<?> responseTypeHandlerClass = Class.forName(responseTypeHandlerClassName);
if (ResponseType.class.isAssignableFrom(responseTypeHandlerClass)) {
ResponseType responseType =
InjectorHolder.getInstance(responseTypeHandlerClass.asSubclass(ResponseType.class));
return new LegacyResponseTypeHandler(
responseType, realm, getSSOCookieName(), cookieExtractor);
}
return InjectorHolder.getInstance(
responseTypeHandlerClass.asSubclass(ResponseTypeHandler.class));
} catch (ClassNotFoundException e) {
logger.error(e.getMessage());
throw new UnsupportedResponseTypeException("Response type is not supported");
}
}