@Override
    public void execute() {
        XlsReadWorkbookHolder xlsReadWorkbookHolder = xlsReadContext.xlsReadWorkbookHolder();
        MissingRecordAwareHSSFListener listener = new MissingRecordAwareHSSFListener(this);
        xlsReadWorkbookHolder.setFormatTrackingHSSFListener(new FormatTrackingHSSFListener(listener));
        EventWorkbookBuilder.SheetRecordCollectingListener workbookBuildingListener =
            new EventWorkbookBuilder.SheetRecordCollectingListener(
                xlsReadWorkbookHolder.getFormatTrackingHSSFListener());
        xlsReadWorkbookHolder.setHssfWorkbook(workbookBuildingListener.getStubHSSFWorkbook());
        HSSFEventFactory factory = new HSSFEventFactory();
        HSSFRequest request = new HSSFRequest();
        request.addListenerForAllRecords(xlsReadWorkbookHolder.getFormatTrackingHSSFListener());
        try {
            factory.processWorkbookEvents(request, xlsReadWorkbookHolder.getPoifsFileSystem());
        } catch (IOException e) {
            throw new ExcelAnalysisException(e);
        }

        // There are some special xls that do not have the terminator "[EOF]", so an additional
        xlsReadContext.analysisEventProcessor().endSheet(xlsReadContext);
    }
Executes the parsing process for the Excel file.
<p>
This method sets up the necessary listeners and processes the workbook events using HSSFEventFactory.
fastexcel-core/src/main/java/cn/idev/excel/analysis/v03/XlsSaxAnalyser.java