question: @ Override public void operatorImported ( final Operator op , final Element opElement ) { String x = opElement . getAttribute ( XML_ATTRIBUTE_X_POSITION ) ; String y = opElement . getAttribute ( XML_ATTRIBUTE_Y_POSITION ) ; String w = opElement . getAttribute ( XML_ATTRIBUTE_WIDTH ) ; String h = opElement . getAttribute ( XML_ATTRIBUTE_HEIGHT ) ; if ( x != null && x . length ( ) > 0 ) { try { Rectangle2D rect = new Rectangle2D . Double ( Double . parseDouble ( x ) , Double . parseDouble ( y ) , Double . parseDouble ( w ) , Double . parseDouble ( h ) ) ; setOperatorRectangle ( op , rect ) ; } catch ( Exception e ) { } } }
target:  Extracts operator position and size from the XML element.