<?php

/*

 * CKFinder

 * ========

 * http://ckfinder.com

 * Copyright (C) 2007-2011, CKSource - Frederico Knabben. All rights reserved.

 *

 * The software, this file and its contents are subject to the CKFinder

 * License. Please read the license.txt file before using, installing, copying,

 * modifying or distribute this file or part of its contents. The contents of

 * this file is part of the Source Code of CKFinder.

 */

if (!defined('IN_CKFINDER')) exit;



/**

 * @package CKFinder

 * @subpackage Core

 * @copyright CKSource - Frederico Knabben

 */



/**

 * Executes all commands

 *

 * @package CKFinder

 * @subpackage Core

 * @copyright CKSource - Frederico Knabben

 */

class CKFinder_Connector_Core_Connector

{

    /**

     * Registry

     *

     * @var CKFinder_Connector_Core_Registry

     * @access private

     */

    var $_registry;



    function CKFinder_Connector_Core_Connector()

    {

        $this->_registry =& CKFinder_Connector_Core_Factory::getInstance("Core_Registry");

        $this->_registry->set("errorHandler", "ErrorHandler_Base");

    }



    /**

     * Generic handler for invalid commands

     * @access public

     *

     */

    function handleInvalidCommand()

    {

        $oErrorHandler =& $this->getErrorHandler();

        $oErrorHandler->throwError(CKFINDER_CONNECTOR_ERROR_INVALID_COMMAND);

    }



    /**

     * Execute command

     *

     * @param string $command

     * @access public

     */

    function executeCommand($command)

    {

        if (!CKFinder_Connector_Core_Hooks::run('BeforeExecuteCommand', array(&$command))) {

            return;

        }



        switch ($command)

        {

            case 'FileUpload':

            $this->_registry->set("errorHandler", "ErrorHandler_FileUpload");

            $obj =& CKFinder_Connector_Core_Factory::getInstance("CommandHandler_".$command);

            $obj->sendResponse();

            break;



            case 'QuickUpload':

            $this->_registry->set("errorHandler", "ErrorHandler_QuickUpload");

            $obj =& CKFinder_Connector_Core_Factory::getInstance("CommandHandler_".$command);

            $obj->sendResponse();

            break;



            case 'DownloadFile':

            case 'Thumbnail':

            $this->_registry->set("errorHandler", "ErrorHandler_Http");

            $obj =& CKFinder_Connector_Core_Factory::getInstance("CommandHandler_".$command);

            $obj->sendResponse();

            break;



            case 'CopyFiles':

            case 'CreateFolder':

            case 'DeleteFile':

            case 'DeleteFolder':

            case 'GetFiles':

            case 'GetFolders':

            case 'Init':

            case 'MoveFiles':

            case 'RenameFile':

            case 'RenameFolder':

            $obj =& CKFinder_Connector_Core_Factory::getInstance("CommandHandler_".$command);

            $obj->sendResponse();

            break;



            default:

            $this->handleInvalidCommand();

            break;

        }

    }



    /**

     * Get error handler

     *

     * @access public

     * @return CKFinder_Connector_ErrorHandler_Base|CKFinder_Connector_ErrorHandler_FileUpload|CKFinder_Connector_ErrorHandler_Http

     */

    function &getErrorHandler()

    {

        $_errorHandler = $this->_registry->get("errorHandler");

        $oErrorHandler =& CKFinder_Connector_Core_Factory::getInstance($_errorHandler);

        return $oErrorHandler;

    }

}