class.ilECSServerSettings.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2006 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program is distributed in the hope that it will be useful,             |
        | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
        | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
        | GNU General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/

include_once './Services/WebServices/ECS/classes/class.ilECSSetting.php';

class ilECSServerSettings
{
        private static $instance = null;

        private $servers = array();


        protected function __construct()
        {
                $this->readActiveServers();
        }

        public static function getInstance()
        {
                if(self::$instance)
                {
                        return self::$instance;
                }
                return self::$instance = new ilECSServerSettings();
        }

        public function activeServerExists()
        {
                return count($this->getServers()) ? true : false;
        }

        public function serverExists()
        {
                return count($this->getServers()) ? true : false;
        }

        public function getServers()
        {
                return (array) $this->servers;
        }

        public function readInactiveServers()
        {
                global $ilDB;

                $query = 'SELECT server_id FROM ecs_server '.
                        'WHERE active =  '.$ilDB->quote(0,'integer').' '.
                        'ORDER BY title ';
                $res = $ilDB->query($query);

                while($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT))
                {
                        $this->servers[$row->server_id] = ilECSSetting::getInstanceByServerId($row->server_id);
                }
        }

        private function readActiveServers()
        {
                global $ilDB;

                $query = 'SELECT server_id FROM ecs_server '.
                        'WHERE active =  '.$ilDB->quote(1,'integer').' '.
                        'ORDER BY title ';
                $res = $ilDB->query($query);

                $this->servers = array();
                while($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT))
                {
                        $this->servers[$row->server_id] = ilECSSetting::getInstanceByServerId($row->server_id);
                }
        }

}
?>