Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
CacheController in Tridion DD4T 2.0
/**
* Use this controller to manually invalidate the DD4T and its dependency cache.
* Please note: this controller for developers.
*/
@Controller
public class CacheController {
private final Logger LOG = LoggerFactory.getLogger(getClass());
private final ApplicationContext applicationContext;
private EHCacheProvider ehCacheProvider;
private PropertiesService propertiesService;
private LabelExtractService labelExtractService;
protected CacheProvider cacheProvider;
private final int[] mutex = new int[0];
@Autowired
public CacheController(ApplicationContext applicationContext) {
this.applicationContext = applicationContext;
}
@RequestMapping(value = "/dd4t.cache.invalidate.form", method = GET)
public String invalidate() {
synchronized (mutex) {
if (ehCacheProvider == null) {
ehCacheProvider = applicationContext.getBean(EHCacheProvider.class);
}
ehCacheProvider.flush();
applicationContext.getBean(LabelExtractService.class).clearCache();
applicationContext.getBean(KeywordLabelService.class).clearCache();
applicationContext.getBean(FAQLabelService.class).clearCache();
}
return "cache/invalidate";
}
private void instantiatePropertiesService() {
this.propertiesService = this.propertiesService == null ? applicationContext.getBean(PropertiesService.class) : this.propertiesService;
}
@RequestMapping(value = "/showLabels.form", method = GET)
public void showLabels(@RequestParam(required = true) int pubId,
HttpServletResponse response) {
try {
if (StringUtils.isEmpty(String.valueOf(pubId))) {
pubId = <Defqault Publication ID>;// Default english
}
PrintWriter out = response.getWriter();
labelExtractService = labelExtractService == null ? applicationContext.getBean(LabelExtractService.class) : labelExtractService;
Map<String, String> springMap = labelExtractService.getLabelMap(pubId);
out.println();
out.println();
out.println();
out.println("##################### Label List From Spring ########################");
for (Map.Entry<String, String> entry : springMap.entrySet()) {
out.println(entry.getKey() + " = " + entry.getValue());
}
out.println();
out.println();
out.println();
out.println("##################### Label List from DD4T ########################");
Map<String, String> dd4tMap = LabelServiceFactoryImpl.getInstance().getLabelService().load(pubId);
for (Map.Entry<String, String> entry : dd4tMap.entrySet()) {
out.println(entry.getKey() + " = " + entry.getValue());
}
cacheProvider = cacheProvider == null ? applicationContext.getBean(CacheProvider.class) : cacheProvider;
cacheProvider.loadFromLocalCache("LabelMap-"+pubId).setExpired(true);
} catch (Exception ex) {
LOG.error(
String.format("Label service did not find FAQ publishing template for %s and pub id %s.", "faq_template", pubId), ex);
}
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment