class.ilImportExportFactory.php

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<?php
/* Copyright (c) 1998-2012 ILIAS open source, Extended GPL, see docs/LICENSE */
 
class ilImportExportFactory
{
        const PLUGINS_DIR = "Plugins";
 
        public static function getExporterClass($a_type)
        {
                global $objDefinition;
 
                if($objDefinition->isPlugin($a_type))
                {
                        $classname = 'il'.$objDefinition->getClassName($a_type).'Exporter';
                        $location = $objDefinition->getLocation($a_type);
                        if(include_once $location.'/class.'.$classname.'.php')
                        {
                                return $classname;
                        }
                }
                else
                {
                        
                        $comp = $objDefinition->getComponentForType($a_type);
                        $class = array_pop(explode("/", $comp));
                        $class = "il".$class."Exporter";
                        
                        // the next line had a "@" in front of the include_once
                        // I removed this because it tages ages to track down errors
                        // if the include class contains parse errors.
                        // Alex, 20 Jul 2012
                        if(include_once "./".$comp."/classes/class.".$class.".php")
                        {
                                return $class;
                        }
                }
                        
                throw new InvalidArgumentException('Invalid exporter type given');
        }
        
        public static function getComponentForExport($a_type)
        {
                global $objDefinition;
 
                if($objDefinition->isPlugin($a_type))
                {
                        return self::PLUGINS_DIR."/".$a_type;
                }
                else
                {
                        return $objDefinition->getComponentForType($a_type);
                }               
        }
        
        public static function getImporterClass($a_component)
        {
                global $objDefinition;
                
                $parts = explode('/', $a_component);
                $component_type = $parts[0];
                $component = $parts[1];
                
                if($component_type == self::PLUGINS_DIR &&
                        $objDefinition->isPlugin($component))
                {                       
                        $classname = 'il'.$objDefinition->getClassName($component).'Importer';
                        $location = $objDefinition->getLocation($component);
                        if(include_once $location.'/class.'.$classname.'.php')
                        {
                                return $classname;
                        }
                }
                else
                {                                                       
                        $class = "il".$component."Importer";                    
                        if(include_once "./".$a_component."/classes/class.".$class.".php")
                        {
                                return $class;
                        }
                }
                        
                throw new InvalidArgumentException('Invalid importer type given');
        }
}
?>