Horde_Kolab_Storage_Folder_Namespace::constructFolderName PHP Method

    public function constructFolderName($owner, $subpath, $prefix = null)
    {
        if (empty($owner)) {
            return $this->_getNamespace(self::SHARED, $prefix)->generatePath($subpath, $owner);
        } else {
            if ($owner == $this->user) {
                return $this->_getNamespace(self::PERSONAL, $prefix)->generatePath($subpath, $owner);
            } else {
                return $this->_getNamespace(self::OTHER, $prefix)->generatePath($subpath, $owner);
            }
        }
    }