protected List<AssetTag> filterTags(List<AssetTag> tags) throws PortalException {
PermissionChecker permissionChecker = getPermissionChecker();
tags = ListUtil.copy(tags);
Iterator<AssetTag> itr = tags.iterator();
while (itr.hasNext()) {
AssetTag tag = itr.next();
if (!AssetTagPermission.contains(permissionChecker, tag, ActionKeys.VIEW)) {
itr.remove();
}
}
return tags;
}
