Java Code Examples for org.apache.poi.xssf.eventusermodel.XSSFReader#getSheetsData()

public void parseXlsxFileAndWriteTmxBody(String fileName, AbstractWriter tmxWriter, IProgressMonitor monitor)
		throws ParserConfigurationException, SAXException, IOException, OpenXML4JException {
	this.tmxWriter = tmxWriter;
	this.monitor = monitor;
	File file = new File(fileName);
	long length = file.length();
	monitor.beginTask("", countTotal(length));
	OPCPackage p = OPCPackage.open(fileName, PackageAccess.READ);
	ReadOnlySharedStringsTable strings = new ReadOnlySharedStringsTable(p);
	XSSFReader xssfReader = new XSSFReader(p);
	XSSFReader.SheetIterator iter = (XSSFReader.SheetIterator) xssfReader.getSheetsData();
	try {
		while (iter.hasNext()) {
			InputStream stream = iter.next();
			parse(stream, strings, tmxWriter);
			stream.close();
			// 目前只处理第一个sheet
			break;
		}
	} finally {
		p.close();
	}

	monitor.done();
}
 

/**
 * Initiates the processing of the XLS workbook file to CSV.
 *
 * @throws IOException  If reading the data from the package fails.
 * @throws SAXException if parsing the XML data fails.
 */
private void process(OPCPackage xlsxPackage) throws IOException, OpenXML4JException, SAXException {
    long startTime = System.currentTimeMillis();
    StringsCache stringsCache = new StringsCache();
    try {
        ReadOnlySharedStringsTable strings = new ReadOnlySharedStringsTable(xlsxPackage, stringsCache);
        XSSFReader xssfReader = new XSSFReader(xlsxPackage);
        XSSFReader.SheetIterator iter = (XSSFReader.SheetIterator) xssfReader.getSheetsData();
        if (readConfig.readAllSheet) {
            while (iter.hasNext()) {
                try (InputStream stream = iter.next()) {
                    processSheet(strings, new XSSFSaxReadHandler<>(result, readConfig), stream);
                }
            }
        } else if (!readConfig.sheetNames.isEmpty()) {
            while (iter.hasNext()) {
                try (InputStream stream = iter.next()) {
                    if (readConfig.sheetNames.contains(iter.getSheetName())) {
                        processSheet(strings, new XSSFSaxReadHandler<>(result, readConfig), stream);
                    }
                }
            }
        } else {
            int index = 0;
            while (iter.hasNext()) {
                try (InputStream stream = iter.next()) {
                    if (readConfig.sheetIndexs.contains(index)) {
                        processSheet(strings, new XSSFSaxReadHandler<>(result, readConfig), stream);
                    }
                    ++index;
                }
            }
        }
    } finally {
        stringsCache.clearAll();
    }
    log.info("Sax import takes {} ms", System.currentTimeMillis() - startTime);
}
 

/**
 * 遍历工作簿中所有的电子表格
 * @param filename
 * @param fileKey 
 * @throws Exception
 */
public void process( String filename ) throws Exception {
	OPCPackage pkg = OPCPackage.open(filename);
	XSSFReader r = new XSSFReader(pkg);
	SharedStringsTable sst = r.getSharedStringsTable();
	XMLReader parser = fetchSheetParser(sst);
	Iterator<InputStream> sheets = r.getSheetsData();
	while (sheets.hasNext()) {
		curRow = 0;
		sheetIndex++;
		InputStream sheet = sheets.next();
		InputSource sheetSource = new InputSource(sheet);
		parser.parse( sheetSource );
		sheet.close();
	}
	//数据读取完成
}
 

/**
 * Initiates the processing of the XLS workbook file to CSV.
 *
 * @throws IOException
 * @throws OpenXML4JException
 * @throws ParserConfigurationException
 * @throws SAXException
 */
public List<String> process() throws IOException, OpenXML4JException, ParserConfigurationException, SAXException {
    ReadOnlySharedStringsTable strings = new ReadOnlySharedStringsTable(this.xlsxPackage);
    XSSFReader xssfReader = new XSSFReader(this.xlsxPackage);
    StylesTable styles = xssfReader.getStylesTable();
    XSSFReader.SheetIterator iter = (XSSFReader.SheetIterator) xssfReader.getSheetsData();
    int index = 0;
    while (iter.hasNext()) {
        if (blankRowNum == 10) { break; }
        InputStream stream = iter.next();
        String sheetName = iter.getSheetName();
        results.add(ExcelValidator.SHEET_NAME_PREFIX + sheetName);
        processSheet(styles, strings, new SheetToCSV(), stream);
        stream.close();
        ++index;
    }

    return results;
}
 

/**
 * 遍历工作簿中所有的电子表格
 * @param is
 * @param fileKey 
 * @throws Exception
 */
public void process( InputStream is ) throws Exception {
	OPCPackage pkg = OPCPackage.open( is );
	XSSFReader r = new XSSFReader(pkg);
	SharedStringsTable sst = r.getSharedStringsTable();
	XMLReader parser = fetchSheetParser(sst);
	Iterator<InputStream> sheets = r.getSheetsData();
	while (sheets.hasNext()) {
		curRow = 0;
		sheetIndex++;
		InputStream sheet = sheets.next();
		InputSource sheetSource = new InputSource(sheet);
		parser.parse( sheetSource );
		sheet.close();
	}
	//数据读取完成
}
 

/**
 * 遍历工作簿中所有的电子表格
 * @param filename
 * @param fileKey 
 * @throws Exception
 */
public void process( String filename ) throws Exception {
	OPCPackage pkg = OPCPackage.open( filename );
	XSSFReader r = new XSSFReader(pkg);
	SharedStringsTable sst = r.getSharedStringsTable();
	XMLReader parser = fetchSheetParser(sst);
	Iterator<InputStream> sheets = r.getSheetsData();
	while (sheets.hasNext()) {
		curRow = 0;
		sheetIndex++;
		InputStream sheet = sheets.next();
		InputSource sheetSource = new InputSource(sheet);
		parser.parse( sheetSource );
		sheet.close();
	}
	//数据读取完成
}
 

/**
 * 遍历工作簿中所有的电子表格
 * @param is
 * @param fileKey 
 * @throws Exception
 */
public void process( InputStream is ) throws Exception {
	OPCPackage pkg = OPCPackage.open( is );
	XSSFReader r = new XSSFReader(pkg);
	SharedStringsTable sst = r.getSharedStringsTable();
	XMLReader parser = fetchSheetParser(sst);
	Iterator<InputStream> sheets = r.getSheetsData();
	while (sheets.hasNext()) {
		curRow = 0;
		sheetIndex++;
		InputStream sheet = sheets.next();
		InputSource sheetSource = new InputSource(sheet);
		parser.parse( sheetSource );
		sheet.close();
	}
	//数据读取完成
}
 

/**
 * 遍历工作簿中所有的电子表格
 * @param filename
 * @param fileKey 
 * @throws Exception
 */
public void process( String filename ) throws Exception {
	OPCPackage pkg = OPCPackage.open( filename );
	XSSFReader r = new XSSFReader(pkg);
	SharedStringsTable sst = r.getSharedStringsTable();
	XMLReader parser = fetchSheetParser(sst);
	Iterator<InputStream> sheets = r.getSheetsData();
	while (sheets.hasNext()) {
		curRow = 0;
		sheetIndex++;
		InputStream sheet = sheets.next();
		InputSource sheetSource = new InputSource(sheet);
		parser.parse( sheetSource );
		sheet.close();
	}
	//数据读取完成
}
 

/**
 * 遍历工作簿中所有的电子表格
 * @param is
 * @param fileKey 
 * @throws Exception
 */
public void process( InputStream is ) throws Exception {
	OPCPackage pkg = OPCPackage.open( is );
	XSSFReader r = new XSSFReader(pkg);
	SharedStringsTable sst = r.getSharedStringsTable();
	XMLReader parser = fetchSheetParser(sst);
	Iterator<InputStream> sheets = r.getSheetsData();
	while (sheets.hasNext()) {
		curRow = 0;
		sheetIndex++;
		InputStream sheet = sheets.next();
		InputSource sheetSource = new InputSource(sheet);
		parser.parse( sheetSource );
		sheet.close();
	}
	//数据读取完成
}
 

/**
 * 遍历工作簿中所有的电子表格
 * @param filename
 * @param fileKey 
 * @throws Exception
 */
public void process( String filename ) throws Exception {
	OPCPackage pkg = OPCPackage.open( filename );
	XSSFReader r = new XSSFReader(pkg);
	SharedStringsTable sst = r.getSharedStringsTable();
	XMLReader parser = fetchSheetParser(sst);
	Iterator<InputStream> sheets = r.getSheetsData();
	while (sheets.hasNext()) {
		curRow = 0;
		sheetIndex++;
		InputStream sheet = sheets.next();
		InputSource sheetSource = new InputSource(sheet);
		parser.parse( sheetSource );
		sheet.close();
	}
	//数据读取完成
}
 

/**
 * 遍历工作簿中所有的电子表格
 * @param is
 * @param fileKey 
 * @throws Exception
 */
public void process( InputStream is ) throws Exception {
	OPCPackage pkg = OPCPackage.open( is );
	XSSFReader r = new XSSFReader(pkg);
	SharedStringsTable sst = r.getSharedStringsTable();
	XMLReader parser = fetchSheetParser(sst);
	Iterator<InputStream> sheets = r.getSheetsData();
	while (sheets.hasNext()) {
		curRow = 0;
		sheetIndex++;
		InputStream sheet = sheets.next();
		InputSource sheetSource = new InputSource(sheet);
		parser.parse( sheetSource );
		sheet.close();
	}
	//数据读取完成
}
 

public void readRows(IProgressMonitor monitor) throws ParserConfigurationException, SAXException, IOException, OpenXML4JException {
	monitor.beginTask("", 10);
	monitor.worked(1);
	OPCPackage p = OPCPackage.open(xlsxFile, PackageAccess.READ);
	ReadOnlySharedStringsTable shareString = new ReadOnlySharedStringsTable(p);
	XSSFReader xssfReader = new XSSFReader(p);
	XSSFReader.SheetIterator iter = (XSSFReader.SheetIterator) xssfReader.getSheetsData();
	try {
		while (iter.hasNext()) {
			InputStream stream = iter.next();
			readCells(stream, shareString, new SubProgressMonitor(monitor, 9));
			stream.close();
			// 目前只处理第一个sheet
			break;
		}
	} finally {
		p.close();
		monitor.done();
	}
}
 

/**
 * 遍历工作簿中所有的电子表格
 * @param is
 * @param fileKey 
 * @throws Exception
 */
public void process( InputStream is ) throws Exception {
	OPCPackage pkg = OPCPackage.open( is );
	XSSFReader r = new XSSFReader(pkg);
	SharedStringsTable sst = r.getSharedStringsTable();
	XMLReader parser = fetchSheetParser(sst);
	Iterator<InputStream> sheets = r.getSheetsData();
	while (sheets.hasNext()) {
		curRow = 0;
		sheetIndex++;
		InputStream sheet = sheets.next();
		InputSource sheetSource = new InputSource(sheet);
		parser.parse( sheetSource );
		sheet.close();
	}
	//数据读取完成
}
 

/**
 * 遍历工作簿中所有的电子表格
 * @param filename
 * @param fileKey 
 * @throws Exception
 */
public void process( String filename ) throws Exception {
	OPCPackage pkg = OPCPackage.open( filename );
	XSSFReader r = new XSSFReader(pkg);
	SharedStringsTable sst = r.getSharedStringsTable();
	XMLReader parser = fetchSheetParser(sst);
	Iterator<InputStream> sheets = r.getSheetsData();
	while (sheets.hasNext()) {
		curRow = 0;
		sheetIndex++;
		InputStream sheet = sheets.next();
		InputSource sheetSource = new InputSource(sheet);
		parser.parse( sheetSource );
		sheet.close();
	}
	//数据读取完成
}
 

public void processAllSheets(String filename) throws Exception {
    OPCPackage pkg = OPCPackage.open(filename);
    XSSFReader r = new XSSFReader( pkg );
    SharedStringsTable sst = r.getSharedStringsTable();

    XMLReader parser = fetchSheetParser(sst);

    Iterator<InputStream> sheets = r.getSheetsData();
    while(sheets.hasNext()) {
        System.out.println("Processing new sheet:\n");
        InputStream sheet = sheets.next();
        InputSource sheetSource = new InputSource(sheet);
        parser.parse(sheetSource);
        sheet.close();
        System.out.println("");
    }
}
 

/**
 * 遍历工作簿中所有的电子表格
 * @param filename
 * @throws Exception
 */
public void process(String filename) throws Exception {
	OPCPackage pkg = OPCPackage.open(filename);
	XSSFReader r = new XSSFReader(pkg);
	SharedStringsTable sst = r.getSharedStringsTable();
	XMLReader parser = fetchSheetParser(sst);
	Iterator<InputStream> sheets = r.getSheetsData();
	while (sheets.hasNext()) {
		curRow = 0;
		sheetIndex++;
		InputStream sheet = sheets.next();
		InputSource sheetSource = new InputSource(sheet);
		parser.parse(sheetSource);
		sheet.close();
	}
}
 

void loadSheets(XSSFReader reader, SharedStringsTable sst, StylesTable stylesTable, int rowCacheSize)
        throws IOException, InvalidFormatException, XMLStreamException {
    lookupSheetNames(reader.getWorkbookData());
    Iterator<InputStream> iter = reader.getSheetsData();
    int i = 0;
    while (iter.hasNext()) {
        XMLEventReader parser = XMLInputFactory.newInstance().createXMLEventReader(iter.next());
        if(i < sheetNames.size()) {
          sheets.add(new StreamingSheet(sheetNames.get(i++), new StreamingSheetReader(sst, stylesTable, parser, rowCacheSize)));
        }
    }
}
 

@Override
public void loadData(List<Tuple<String, File>> files, Importer importer) throws InvalidFileException, IOException {
  try {
    RowCellHandler rowCellHandler = makeRowCellHandler(importer);
    SAXParserFactory saxFactory = SAXParserFactory.newInstance();
    saxFactory.setNamespaceAware(true);
    for (Tuple<String, File> file : files) {
      OPCPackage pkg = OPCPackage.open(file.getRight().getPath());
      XSSFReader xssfReader = new XSSFReader(pkg);

      final SharedStringsTable sharedStringsTable = xssfReader.getSharedStringsTable();
      XSSFReader.SheetIterator worksheets = (XSSFReader.SheetIterator) xssfReader.getSheetsData();

      while (worksheets.hasNext()) {
        final InputStream sheet = worksheets.next();

        XMLReader sheetParser = saxFactory.newSAXParser().getXMLReader();
        sheetParser.setContentHandler(new SheetXmlParser(sharedStringsTable, rowCellHandler));

        rowCellHandler.start(worksheets.getSheetName());
        sheetParser.parse(new InputSource(sheet));
        rowCellHandler.finish();
      }
    }
  } catch (SAXException | OpenXML4JException | ParserConfigurationException e) {
    throw new InvalidFileException("Not a valid Excel file", e);
  }
}
 

@Override
public void apply(XSSFContext context) throws Exception {
       OPCPackage xlsxPackage = OPCPackage.open(context.getInpuStream());
       XSSFReader xssfReader = new XSSFReader(xlsxPackage);
       context.setStyles(xssfReader.getStylesTable());
       context.setStrings(new ReadOnlySharedStringsTable(xlsxPackage));
       
       initContext(context);
       
       XSSFReader.SheetIterator iter = (XSSFReader.SheetIterator) xssfReader
               .getSheetsData();
       while (iter.hasNext()) {
           InputStream stream = iter.next();
           context.setInpuStream(stream);
           String sheetName = context.getImporterSolution().getExcelSheetName();
           if (StringUtils.isNotEmpty(sheetName)) {
			if (sheetName.equals(iter.getSheetName())) {
				sheetPolicy.apply(context);
				break;
			}
		} else {
            sheetPolicy.apply(context);
		}
           stream.close();
       }
       
       parseRecordPolicy.apply(context);
       
}
 

/**
 * Processes data from an Excel file contained in the OPCPackage using the
 * reader implementation
 * <p>
 * Please note that the process will read data from the first sheet in the
 * File when if sheet name is not specified
 * (i.e. the sheet name defaults to the {@link EntityHandler.DEFAULT_SHEET})
 * </p>
 * @param opcPackage the OpenXML OPC Package
 * @param sheetName The sheet name
 * @param reader the reader implementation that handles the entity mapping
 */
private static void process(OPCPackage opcPackage, String sheetName, ZeroCellReader reader) {
    try {
        DataFormatter dataFormatter = new DataFormatter();
        ReadOnlySharedStringsTable strings = new ReadOnlySharedStringsTable(opcPackage);
        XSSFReader xssfReader = new XSSFReader(opcPackage);
        StylesTable stylesTable = xssfReader.getStylesTable();
        InputStream sheetInputStream = null;
        XSSFReader.SheetIterator sheets = (XSSFReader.SheetIterator) xssfReader.getSheetsData();
        while (sheets.hasNext()) {
            sheetInputStream = sheets.next();

            if (EntityHandler.DEFAULT_SHEET.equalsIgnoreCase(sheetName)) {
                break;
            }
            if (sheets.getSheetName().equalsIgnoreCase(sheetName)) {
                break;
            } else {
                sheetInputStream = null;
            }
        }

        if (Objects.isNull(sheetInputStream)) {
            throw new SheetNotFoundException(sheetName);
        }

        XMLReader xmlReader = SAXHelper.newXMLReader();
        xmlReader.setContentHandler(new XSSFSheetXMLHandler(stylesTable, strings, reader, dataFormatter, false));
        xmlReader.parse(new InputSource(sheetInputStream));
        sheetInputStream.close();
        xmlReader = null;
        sheetInputStream = null;
        stylesTable = null;
        strings = null;
        xssfReader = null;
    } catch(InvalidFormatException | EmptyFileException | NotOfficeXmlFileException ife) {
        throw new ZeroCellException(ERROR_NOT_OPENXML);
    } catch(SheetNotFoundException ex) {
        throw new ZeroCellException(ex.getMessage());
    } catch (ZeroCellException ze) {
        throw ze; // Rethrow the Exception
    } catch (Exception e) {
        throw new ZeroCellException("Failed to process file", e);
    }
}