class.ilECSEContentReader.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. |
        +-----------------------------------------------------------------------------+
*/

class ilECSEContentReader
{
        protected $log;
        protected $settings = null;
        protected $connector = null;
        
        protected $econtent = array();
        protected $econtent_id = 0;

        public function __construct($a_econtent_id = 0)
        {
                global $ilLog;
                
                include_once('Services/WebServices/ECS/classes/class.ilECSSettings.php');
                include_once('Services/WebServices/ECS/classes/class.ilECSConnector.php');
                include_once('Services/WebServices/ECS/classes/class.ilECSConnectorException.php');
                include_once('Services/WebServices/ECS/classes/class.ilECSEContent.php');
                include_once('Services/WebServices/ECS/classes/class.ilECSReaderException.php');
                
                $this->settings = ilECSSettings::_getInstance();
                $this->connector = new ilECSConnector();
                $this->log = $ilLog;
                
                $this->econtent_id = $a_econtent_id;
        }
        
        public function getEContent()
        {
                return $this->econtent ? $this->econtent : array();
        }
        
        public function read()
        {
                global $ilLog;
                
                try
                {
                        $res = $this->connector->getResources($this->econtent_id);
                        
                        if($res->getHTTPCode() == ilECSConnector::HTTP_CODE_NOT_FOUND)
                        {
                                return false;
                        }
        
                        if(!is_array($res->getResult()))
                        {
                                $ilLog->write(__METHOD__.': Error parsing result. Expected result of type array.');
                                throw new ilECSReaderException('Error parsing query');
                        }
                        foreach($res->getResult() as $econtent)
                        {
                                $tmp_content = new ilECSEContent();
                                $tmp_content->loadFromJSON($econtent);
                                
                                $this->econtent[] = $tmp_content;
                        }                       
                        return true;
                }
                catch(ilECSConnectorException $e)
                {
                        $ilLog->write(__METHOD__.': Error connecting to ECS server. '.$e->getMessage());
                        throw $e;
                }
                catch(ilECSReaderException $e)
                {
                        $ilLog->write(__METHOD__.': Error reading EContent. '.$e->getMessage());
                        throw $e;
                }
        }
        
        
}


?>