question: @ Override public void init ( Context context ) { super . init ( context ) ; String s ; s = context . getResolvedEntityAttribute ( ACCEPT_LINE_REGEX ) ; if ( s != null ) { acceptLineRegex = Pattern . compile ( s ) ; } s = context . getResolvedEntityAttribute ( SKIP_LINE_REGEX ) ; if ( s != null ) { skipLineRegex = Pattern . compile ( s ) ; } url = context . getResolvedEntityAttribute ( URL ) ; if ( url == null ) throw new DataImportHandlerException ( DataImportHandlerException . SEVERE , "'" + URL + "' is a required attribute" ) ; }
target:  Parses each of the entity attributes.