/**
* Deletes all privacy lists of a user. This may be necessary when a user is being deleted from
* the system.
*
* @param username the username of the list owner.
*/
public void deletePrivacyLists(String username) {
for (String listName : provider.getPrivacyLists(username).keySet()) {
// Remove the list from the cache
listsCache.remove(getCacheKey(username, listName));
// Trigger event that a privacy list is being deleted
for (PrivacyListEventListener listener : listeners) {
listener.privacyListDeleting(listName);
}
}
// Delete user privacy lists from the DB
provider.deletePrivacyLists(username);
}
/**
* Deletes an existing privacy list of a user. If the privacy list being deleted was the default
* list then the user will end up with no default list. Therefore, the user will have to set a new
* default list.
*
* @param username the username of the list owner.
* @param listName the name of the list being deleted.
*/
public void deletePrivacyList(String username, String listName) {
// Trigger event that a privacy list is being deleted
for (PrivacyListEventListener listener : listeners) {
listener.privacyListDeleting(listName);
}
// Remove the list from the cache
listsCache.remove(getCacheKey(username, listName));
// Delete the privacy list from the DB
provider.deletePrivacyList(username, listName);
// Check if deleted list was the default list
PrivacyList defaultList = listsCache.get(getDefaultCacheKey(username));
if (defaultList != null && listName.equals(defaultList.getName())) {
listsCache.remove(getDefaultCacheKey(username));
}
}
