/**
* Determines the appropriate template bean to use given the current locale.
*
* @param def
*/
private static PolicyDefinitionTemplateBean getTemplateBean(PolicyDefinitionBean def) {
Locale currentLocale = Messages.i18n.getLocale();
String lang = currentLocale.getLanguage();
String country = lang + "_" + currentLocale.getCountry(); // $NON-NLS-1$
PolicyDefinitionTemplateBean nullBean = null;
PolicyDefinitionTemplateBean langBean = null;
PolicyDefinitionTemplateBean countryBean = null;
for (PolicyDefinitionTemplateBean pdtb : def.getTemplates()) {
if (pdtb.getLanguage() == null) {
nullBean = pdtb;
} else if (pdtb.getLanguage().equals(country)) {
countryBean = pdtb;
break;
} else if (pdtb.getLanguage().equals(lang)) {
langBean = pdtb;
}
}
if (countryBean != null) {
return countryBean;
}
if (langBean != null) {
return langBean;
}
if (nullBean != null) {
return nullBean;
}
return null;
}
/**
* Generates a dynamic description for the given policy and stores the result on the policy bean
* instance. This should be done prior to returning the policybean back to the user for a REST
* call to the management API.
*
* @param policy the policy
* @throws Exception any exception
*/
public static void generatePolicyDescription(PolicyBean policy) throws Exception {
PolicyDefinitionBean def = policy.getDefinition();
PolicyDefinitionTemplateBean templateBean = getTemplateBean(def);
if (templateBean == null) {
return;
}
String cacheKey = def.getId() + "::" + templateBean.getLanguage(); // $NON-NLS-1$
CompiledTemplate template = templateCache.get(cacheKey);
if (template == null) {
template = TemplateCompiler.compileTemplate(templateBean.getTemplate());
templateCache.put(cacheKey, template);
}
try {
// TODO hack to fix broken descriptions - this util should probably not know about encrypted
// data
String jsonConfig = AesEncrypter.decrypt(policy.getConfiguration());
Map<String, Object> configMap = mapper.readValue(jsonConfig, Map.class);
configMap = new PolicyConfigMap(configMap);
String desc = (String) TemplateRuntime.execute(template, configMap);
policy.setDescription(desc);
} catch (Exception e) {
// TODO log the error
policy.setDescription(templateBean.getTemplate());
}
}