class.ilLuceneRPCAdapter.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2001 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/RPC/classes/class.ilRPCServerAdapter.php';
 
class ilLuceneRPCAdapter extends ilRPCServerAdapter
{
        var $mode = '';
        var $files = array();
        var $query_str = '';
        var $page_number;
        var $filter = '';
 
 
        function ilLuceneRPCAdapter()
        {
                parent::ilRPCServerAdapter();
        }
 
        function setMode($a_mode)
        {
                $this->mode = $a_mode;
        }
        function getMode()
        {
                return $this->mode;
        }
        function setFiles(&$files)
        {
                $this->files =& $files;
        }
        function &getFiles()
        {
                return $this->files ? $this->files : array();
        }
        function setHTLMs(&$htlms)
        {
                $this->htlms = $htlms;
        }
        function &getHTLMs()
        {
                return $this->htlms;
        }
 
        function setQueryString($a_str)
        {
                $this->query_str = $a_str;
        }
        function getQueryString()
        {
                return $this->query_str;
        }
        function setPageNumber($a_number)
        {
                $this->page_number = $a_number;
        }
        function getPageNumber()
        {
                return $this->page_number;
        }
        
        function setSearchFilter($a_filter)
        {
                $this->filter = $a_filter;
        }
        function getSearchFilter()
        {
                return $this->filter ? $this->filter : array();
        }
 
        function __getClientId()
        {
                global $ilias;
 
                // TODO: handle problem if nic_key isn't set
                return $ilias->getSetting('nic_key').'_'.CLIENT_ID;
        }
 
 
 
        function send()
        {
                $this->__initClient();
                switch($this->getMode())
                {
                        case 'ping':
                                $this->__preparePingParams();
                                break;
 
                        case 'file':
                                $this->__prepareIndexFileParams();
                                break;
 
                        case 'query':
                                $this->__prepareQueryParams();
                                break;
 
                        case 'htlm':
                                $this->__prepareIndexHTLMParams();
                                break;
 
                        case 'flush':
                                $this->__prepareFlushIndex();
                                break;
                                
                        // BEGIN PATCH Lucene search
                        case 'search':
                                $this->__prepareSearchParams();
                                break;
                                
                        case 'highlight':
                                $this->__prepareHighlightParams();
                                break;
                                
                        case 'refreshSettings':
                                $this->__prepareRefreshSettingsParams();
                                break;
                        // END PATCH Lucene Search
 
                        default:
                                $this->log->write('ilLuceneRPCHandler(): No valid mode given');
                                return false;
 
                }
                return parent::send();
        }
        // PRIVATE
        function __prepareQueryParams()
        {
                $this->setResponseTimeout(5);
                $filter = array();
                foreach($this->getSearchFilter() as $obj_type)
                {
                        $filter[] = new XML_RPC_Value($obj_type,'string');
                }
                $this->__initMessage('Searcher.ilSearch',array(new XML_RPC_Value($this->__getClientId(),"string"),
                                                                                                           new XML_RPC_Value($this->getQueryString(),"string"),
                                                                                                           new XML_RPC_Value($filter,'array')));
 
                return true;
        }
 
        function __preparePingParams()
        {
                $this->setResponseTimeout(5);
                $this->__initMessage('Searcher.ilPing',array(new XML_RPC_Value($this->__getClientId(),"string")));
 
                return true;
        }
 
        function __prepareIndexFileParams()
        {
                $this->setResponseTimeout(5);
                foreach($this->getFiles() as $obj_id => $fname)
                {
                        $struct[$obj_id] = new XML_RPC_Value($fname,"string");
                }
                $params = array(new XML_RPC_Value($this->__getClientId(),"string"),
                                                new XML_RPC_Value($struct,"struct"));
 
                $this->__initMessage('Indexer.ilFileIndexer',$params);
 
                return true;
        }
 
        function __prepareIndexHTLMParams()
        {
                $this->setResponseTimeout(5);
                foreach($this->getHTLMs() as $obj_id => $fname)
                {
                        $struct[$obj_id] = new XML_RPC_Value($fname,"string");
                }
 
                $this->__initMessage('Indexer.ilHTLMIndexer',array(new XML_RPC_Value($this->__getClientId(),"string"),
                                                                                                                   new XML_RPC_Value($struct,"struct")));
 
                return true;
        }
        function __prepareFlushIndex()
        {
                $this->setResponseTimeout(5);
                $this->__initMessage('Indexer.ilClearIndex',array(new XML_RPC_Value($this->__getClientId(),"string")));
 
                return true;
        }
        
        // BEGIN PATCH Lucene search
        protected function __prepareSearchParams()
        {
                $this->setResponseTimeout(5);
                $this->__initMessage('RPCSearchHandler.search',array(
                        new XML_RPC_Value($this->getClientKey(),'string'),
                        new XML_RPC_Value($this->getQueryString(),'string'),
                        new XML_RPC_Value($this->getPageNumber(),'int')));
                
                return true;
        }
        
        protected function __prepareHighlightParams()
        {
                $this->setResponseTimeout(5);
                
                $objIds = array();
                foreach($this->getResultIds() as $obj_id)
                {
                        $objIds[] = new XML_RPC_Value($obj_id,'int');
                }
                
                $this->__initMessage('RPCSearchHandler.highlight',array(
                        new XML_RPC_Value($this->getClientKey(),'string'),
                        new XML_RPC_VAlue($objIds,'array'),
                        new XML_RPC_Value($this->getQueryString(),'string')));
                
                return true;
        }
        
        protected function __prepareRefreshSettingsParams()
        {
                $this->setResponseTimeout(5);
                
                $this->__initMessage('RPCAdministration.refreshSettings',array(
                        new XML_RPC_Value($this->getClientKey(),'string')));
                return true;
        }
        
        public function setResultIds($a_ids)
        {
                $this->result_ids = $a_ids;
        }
        
        public function getResultIds()
        {
                return $this->result_ids ? $this->result_ids : array();
        }
        
        
        protected function getClientKey()
        {
                global $ilSetting;
 
                return CLIENT_ID.'_'.$ilSetting->get('inst_id',0);
        }
        // END PATCH Lucene Search
}
?>