function processObject( $contentObject, $returnArray )
    {
        if ( $this->ogIni->hasVariable( $contentObject->contentClassIdentifier(), 'LiteralMap' ) )
        {
            $literalValues = $this->ogIni->variable( $contentObject->contentClassIdentifier(), 'LiteralMap' );
            if ( $this->debug )
            {
                eZDebug::writeDebug( $literalValues, 'LiteralMap' );
            }

            if ( $literalValues )
            {
                foreach ( $literalValues as $key => $value )
                {
                    if ( !empty( $value ) )
                    {
                        $returnArray[$key] = $value;
                    }
                }
            }
        }

        if ( $this->ogIni->hasVariable( $contentObject->contentClassIdentifier(), 'AttributeMap' ) )
        {
            $attributeValues = $this->ogIni->variableArray( $contentObject->contentClassIdentifier(), 'AttributeMap' );
            if ( $this->debug )
            {
                eZDebug::writeDebug( $attributeValues, 'AttributeMap' );
            }

            if ( $attributeValues )
            {
                foreach ( $attributeValues as $key => $value )
                {
                    $contentObjectAttributeArray = $contentObject->fetchAttributesByIdentifier( array( $value[0] ) );
                    if ( !is_array( $contentObjectAttributeArray ) )
                    {
                        continue;
                    }

                    $contentObjectAttributeArray = array_values( $contentObjectAttributeArray );
                    $contentObjectAttribute = $contentObjectAttributeArray[0];

                    if ( $contentObjectAttribute instanceof eZContentObjectAttribute )
                    {
                        $openGraphHandler = ngOpenGraphBase::getInstance( $contentObjectAttribute );

                        if ( count( $value ) == 1 )
                        {
                            $data = $openGraphHandler->getData();
                        }
                        else if ( count( $value ) == 2 )
                        {
                            $data = $openGraphHandler->getDataMember( $value[1] );
                        }
                        else
                        {
                            $data = "";
                        }

                        if ( !empty( $data ) )
                        {
                            $returnArray[$key] = $data;
                        }
                    }
                }
            }
        }

        return $returnArray;
    }