protected function fillContentVariables()
    {
        $contentVariables = array();
        $expectedVariables = array( 'Translation', 'OutputFormat' );

        foreach( $expectedVariables as $variable )
        {
            if( isset( $_GET[$variable] ) )
            {
                // Extract and organize variables as expected
                switch( $variable )
                {
                    case 'Translation': // @TODO => Make some control on the locale provided
                    default:
                        $contentVariables[$variable] = $_GET[$variable];
                }

                unset( $_GET[$variable] );
            }
            else
            {
                $contentVariables[$variable] = null;
            }
        }

        return $contentVariables;
    }