/**
* Add a group to cache, only netgroups are cached
*
* @param groups list of group names to add to cache
*/
@Override
public void cacheGroupsAdd(List<String> groups) throws IOException {
for (String group : groups) {
if (group.length() == 0) {
// better safe than sorry (should never happen)
} else if (group.charAt(0) == '@') {
if (!NetgroupCache.isCached(group)) {
NetgroupCache.add(group, getUsersForNetgroup(group));
}
} else {
// unix group, not caching
}
}
}
/**
* Get unix groups (parent) and netgroups for given user
*
* @param user get groups and netgroups for this user
* @return groups and netgroups for user
*/
@Override
public List<String> getGroups(String user) throws IOException {
// parent get unix groups
List<String> groups = new LinkedList<String>(super.getGroups(user));
NetgroupCache.getNetgroups(user, groups);
return groups;
}
/** Refresh the netgroup cache */
@Override
public void cacheGroupsRefresh() throws IOException {
List<String> groups = NetgroupCache.getNetgroupNames();
NetgroupCache.clear();
cacheGroupsAdd(groups);
}