org.apache.poi.util.SAXHelper Java Examples

The following examples show how to use org.apache.poi.util.SAXHelper. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: XLSX2CSV.java    From azeroth with Apache License 2.0 5 votes vote down vote up 
/**
 * Parses and shows the content of one sheet using the specified styles and
 * shared-strings tables.
 *
 * @param styles
 * @param strings
 * @param sheetInputStream
 */
public void processSheet(StylesTable styles, ReadOnlySharedStringsTable strings, SheetContentsHandler sheetHandler,
                         InputStream sheetInputStream) throws IOException, ParserConfigurationException, SAXException {
    DataFormatter formatter = new DataFormatter();
    InputSource sheetSource = new InputSource(sheetInputStream);
    try {
        XMLReader sheetParser = SAXHelper.newXMLReader();
        ContentHandler handler = new XSSFSheetXMLHandler(styles, null, strings, sheetHandler, formatter, false);
        sheetParser.setContentHandler(handler);
        sheetParser.parse(sheetSource);
    } catch (ParserConfigurationException e) {
        throw new RuntimeException("SAX parser appears to be broken - " + e.getMessage());
    }
}
Example #2
Source File: XLSX2CSV.java    From jeesuite-libs with Apache License 2.0 5 votes vote down vote up 
/**
 * Parses and shows the content of one sheet using the specified styles and
 * shared-strings tables.
 *
 * @param styles
 * @param strings
 * @param sheetInputStream
 */
public void processSheet(StylesTable styles, ReadOnlySharedStringsTable strings, SheetContentsHandler sheetHandler,
		InputStream sheetInputStream) throws IOException, ParserConfigurationException, SAXException {
	DataFormatter formatter = new DataFormatter();
	InputSource sheetSource = new InputSource(sheetInputStream);
	try {
		XMLReader sheetParser = SAXHelper.newXMLReader();
		ContentHandler handler = new XSSFSheetXMLHandler(styles, null, strings, sheetHandler, formatter, false);
		sheetParser.setContentHandler(handler);
		sheetParser.parse(sheetSource);
	} catch (ParserConfigurationException e) {
		throw new RuntimeException("SAX parser appears to be broken - " + e.getMessage());
	}
}
Example #3
Source File: ReaderUtil.java    From zerocell with Apache License 2.0 4 votes vote down vote up 
/**
 * 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);
    }
}