stsSamlConfig.setCallbackHandlerName(AttributeCallbackHandler.class.getName());
String resourcePath = null;
resourcePath = RegistryResources.SERVICE_GROUPS + ServerConstants.STS_NAME
+ RegistryResources.SERVICES + ServerConstants.STS_NAME + "/trustedServices";
if (systemRegistry.resourceExists(resourcePath)) {
Resource trustedService = null;
Properties properties = null;
Iterator iterator = null;
trustedService = systemRegistry.get(resourcePath);
properties = trustedService.getProperties();