String principalClassName = properties.getProperty(JAAS_USER_PRINCIPAL_KEY);
if (principalClassName == null) {
throw new AuthenticationException("principal class name is required for JAAS login modules");
}
Class jaasPrincipalClass = Class.forName(principalClassName);
loginModule = new JaasLoginModuleAdapter(jaasLoginModule, jaasPrincipalClass, options);
} else {
Constructor constructor = loginModuleClass.getConstructor(new Class[]{Map.class});
loginModule = (LoginModule)constructor.newInstance(new Object[]{options});
}
} catch (Exception e) {