public Object getFromCache(
LocalUserDetail user, APIResourceCredentials credentials, String cacheKey) {
if (null != subscriptionStore
&& null != subscriptionStore.getBySubscriptionId(user.getUserId())
&& null != entityCache) {
return entityCache.get(credentials, cacheKey);
} else {
return null;
}
}
public void evictUpdatedResourcesFromCache(
String subscriberId, InputStream updateMessageStream, String serverSignature)
throws FitbitAPIException {
try {
if (null == serverSignature) {
throw new FitbitAPISecurityException("Missing signature.");
}
String updateMessage = APIUtil.inputStreamToString(updateMessageStream);
String ourSignature = APIUtil.generateSignature(updateMessage, subscriberSecret);
if (null == ourSignature || !ourSignature.equals(serverSignature)) {
throw new FitbitAPISecurityException("Signatures do not match, given " + serverSignature);
}
UpdateNotification notification = new UpdateNotification(new JSONArray(updateMessage));
int i = 0;
for (UpdatedResource resource : notification.getUpdatedResources()) {
//noinspection UnnecessaryParentheses,ValueOfIncrementOrDecrementUsed
log.info(
"Processing update notification "
+ (++i)
+ " for subscription "
+ resource.getSubscriptionId());
LocalSubscriptionDetail sub =
subscriptionStore.getBySubscriptionId(resource.getSubscriptionId());
if (null == sub) {
log.info(
"Nothing known about subscription "
+ resource.getSubscriptionId()
+ ", creating placeholder.");
sub =
new LocalSubscriptionDetail(
new SubscriptionDetail(
subscriberId,
resource.getSubscriptionId(),
resource.getOwner(),
resource.getCollectionType()),
false);
subscriptionStore.save(sub);
}
sub.setLastUpdateNotificationDate(new Date());
APIResourceCredentials credentials =
credentialsCache.getResourceCredentials(
new LocalUserDetail(resource.getSubscriptionId()));
String cacheKeyWithUserId =
APIUtil.constructFullUrl(
client.getApiBaseUrl(),
client.getApiVersion(),
resource.getOwner(),
resource.getCollectionType(),
resource.getDate(),
APIFormat.JSON);
Activities entity = (Activities) entityCache.get(credentials, cacheKeyWithUserId);
if (null != entity) {
log.info("Evicting entity " + cacheKeyWithUserId);
entityCache.remove(credentials, cacheKeyWithUserId);
} else {
log.info("There is no cached version of entity " + cacheKeyWithUserId);
}
String cacheKeyWithPlaceholder =
APIUtil.constructFullUrl(
client.getApiBaseUrl(),
client.getApiVersion(),
FitbitUser.CURRENT_AUTHORIZED_USER,
resource.getCollectionType(),
resource.getDate(),
APIFormat.JSON);
entity = (Activities) entityCache.get(credentials, cacheKeyWithPlaceholder);
if (null != entity) {
log.info("Evicting entity " + cacheKeyWithPlaceholder);
entityCache.remove(credentials, cacheKeyWithPlaceholder);
} else {
log.info("There is no cached version of entity " + cacheKeyWithPlaceholder);
}
}
} catch (IOException e) {
throw new FitbitAPIException("Notification stream is malformed: " + e, e);
} catch (JSONException e) {
throw new FitbitAPIException("Unable to parse update message: " + e, e);
}
}