Example usage for org.apache.poi.xssf.usermodel XSSFPictureData getData

Introduction

In this page you can find the example usage for org.apache.poi.xssf.usermodel XSSFPictureData getData.

Prototype

public byte[] getData() 

Source Link

Document

Gets the picture data as a byte array.

Usage

From source file:com.vaadin.addon.spreadsheet.SpreadsheetFactory.java

License:Open Source License

private static SheetImageWrapper loadXSSFPicture(XSSFPicture shape) {
    // in XSSFPicture.getPreferredSize(double) POI presumes that
    // XSSFAnchor is always of type XSSFClientAnchor
    XSSFClientAnchor anchor = (XSSFClientAnchor) shape.getAnchor();

    XSSFPictureData pictureData = shape.getPictureData();

    SheetImageWrapper image = new SheetImageWrapper(anchor, pictureData.getMimeType(), pictureData.getData());

    return image;
}

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From source file:mj.ocraptor.extraction.tika.parser.microsoft.ooxml.XSSFExcelExtractorDecorator.java

License:Apache License

/**
 * @see org.apache.poi.xssf.extractor.XSSFExcelExtractor#getText()
 *//*from  w w w.j  a v  a 2s . c om*/
@Override
protected void buildXHTML(XHTMLContentHandler xhtml) throws SAXException, XmlException, IOException {
    OPCPackage container = extractor.getPackage();

    ReadOnlySharedStringsTable strings;
    XSSFReader.SheetIterator iter;
    XSSFReader xssfReader;
    StylesTable styles;
    try {
        xssfReader = new XSSFReader(container);
        styles = xssfReader.getStylesTable();
        iter = (XSSFReader.SheetIterator) xssfReader.getSheetsData();
        strings = new ReadOnlySharedStringsTable(container);
    } catch (InvalidFormatException e) {
        throw new XmlException(e);
    } catch (OpenXML4JException oe) {
        throw new XmlException(oe);
    }

    while (iter.hasNext()) {
        InputStream stream = iter.next();
        sheetParts.add(iter.getSheetPart());

        SheetTextAsHTML sheetExtractor = new SheetTextAsHTML(xhtml, iter.getSheetComments());

        // Start, and output the sheet name
        xhtml.startElement("div");
        xhtml.element("h1", iter.getSheetName());

        // Extract the main sheet contents
        xhtml.startElement("table");
        xhtml.startElement("tbody");

        processSheet(sheetExtractor, styles, strings, stream);

        xhtml.endElement("tbody");
        xhtml.endElement("table");

        // Output any headers and footers
        // (Need to process the sheet to get them, so we can't
        // do the headers before the contents)
        for (String header : sheetExtractor.headers) {
            extractHeaderFooter(header, xhtml);
        }
        for (String footer : sheetExtractor.footers) {
            extractHeaderFooter(footer, xhtml);
        }
        processShapes(iter.getShapes(), xhtml);
        // All done with this sheet
        xhtml.endElement("div");
    }

    if (Config.inst().getProp(ConfigBool.ENABLE_IMAGE_OCR)) {
        TikaImageHelper helper = new TikaImageHelper(metadata);
        try {
            XSSFWorkbook workbook = new XSSFWorkbook(container);
            List<XSSFPictureData> pictures = workbook.getAllPictures();
            for (XSSFPictureData picture : pictures) {
                ByteArrayInputStream imageData = new ByteArrayInputStream(picture.getData());
                BufferedImage image = ImageIO.read(imageData);
                helper.addImage(image);
            }
            helper.addTextToHandler(xhtml);
        } catch (Exception e) {
            // TODO:
            e.printStackTrace();
        } finally {
            if (extractor != null) {
                extractor.close();
            }
            if (helper != null) {
                helper.close();
            }
        }
    }
}

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