Examples with CloseShieldInputStream org.apache.tika.io.CloseShieldInputStream used on opensource projects

Example 6 with CloseShieldInputStream

use of org.apache.tika.io.CloseShieldInputStream in project tika by apache.

the class HSLFExtractor method handleSlideEmbeddedResources.

private void handleSlideEmbeddedResources(HSLFSlide slide, XHTMLContentHandler xhtml) throws TikaException, SAXException, IOException {
    List<HSLFShape> shapes;
    try {
        shapes = slide.getShapes();
    } catch (NullPointerException e) {
        // Sometimes HSLF hits problems
        // Please open POI bugs for any you come across!
        EmbeddedDocumentUtil.recordEmbeddedStreamException(e, parentMetadata);
        return;
    }
    for (HSLFShape shape : shapes) {
        if (shape instanceof OLEShape) {
            OLEShape oleShape = (OLEShape) shape;
            HSLFObjectData data = null;
            try {
                data = oleShape.getObjectData();
            } catch (NullPointerException e) {
                /* getObjectData throws NPE some times. */
                EmbeddedDocumentUtil.recordEmbeddedStreamException(e, parentMetadata);
                continue;
            }
            if (data != null) {
                String objID = Integer.toString(oleShape.getObjectID());
                // Embedded Object: add a <div
                // class="embedded" id="X"/> so consumer can see where
                // in the main text each embedded document
                // occurred:
                AttributesImpl attributes = new AttributesImpl();
                attributes.addAttribute("", "class", "class", "CDATA", "embedded");
                attributes.addAttribute("", "id", "id", "CDATA", objID);
                xhtml.startElement("div", attributes);
                xhtml.endElement("div");
                InputStream dataStream = null;
                try {
                    dataStream = data.getData();
                } catch (Exception e) {
                    EmbeddedDocumentUtil.recordEmbeddedStreamException(e, parentMetadata);
                    continue;
                }
                try (TikaInputStream stream = TikaInputStream.get(dataStream)) {
                    String mediaType = null;
                    if ("Excel.Chart.8".equals(oleShape.getProgID())) {
                        mediaType = "application/vnd.ms-excel";
                    } else {
                        MediaType mt = getTikaConfig().getDetector().detect(stream, new Metadata());
                        mediaType = mt.toString();
                    }
                    if (mediaType.equals("application/x-tika-msoffice-embedded; format=comp_obj")) {
                        try (NPOIFSFileSystem npoifs = new NPOIFSFileSystem(new CloseShieldInputStream(stream))) {
                            handleEmbeddedOfficeDoc(npoifs.getRoot(), objID, xhtml);
                        }
                    } else {
                        handleEmbeddedResource(stream, objID, objID, mediaType, xhtml, false);
                    }
                } catch (IOException e) {
                    EmbeddedDocumentUtil.recordEmbeddedStreamException(e, parentMetadata);
                }
            }
        }
    }
}

Example 7 with CloseShieldInputStream

use of org.apache.tika.io.CloseShieldInputStream in project ddf by codice.

the class TikaInputTransformer method createThumbnail.

private void createThumbnail(InputStream input, Metacard metacard) {
    try {
        Image image = ImageIO.read(new CloseShieldInputStream(input));
        if (null != image) {
            BufferedImage bufferedImage = new BufferedImage(image.getWidth(null), image.getHeight(null), BufferedImage.TYPE_INT_RGB);
            Graphics2D graphics = bufferedImage.createGraphics();
            graphics.drawImage(image, null, null);
            graphics.dispose();
            BufferedImage thumb = Scalr.resize(bufferedImage, 200);
            try (ByteArrayOutputStream out = new ByteArrayOutputStream()) {
                ImageIO.write(thumb, "jpeg", out);
                byte[] thumbBytes = out.toByteArray();
                metacard.setAttribute(new AttributeImpl(Metacard.THUMBNAIL, thumbBytes));
            }
        } else {
            LOGGER.debug("Unable to read image from input stream to create thumbnail.");
        }
    } catch (Exception e) {
        LOGGER.debug("Unable to read image from input stream to create thumbnail.", e);
    }
}