Example usage for org.apache.poi.xslf.usermodel XSLFPictureData getFileName

Introduction

In this page you can find the example usage for org.apache.poi.xslf.usermodel XSLFPictureData getFileName.

Prototype

public String getFileName() 

Source Link

Document

Returns the file name of the image, eg image7.jpg .

Usage

From source file:org.sleuthkit.autopsy.imageExtractor.ImageExtractor.java

private List<ExtractedImage> extractImagesFromPptx(AbstractFile af) {
    List<ExtractedImage> listOfExtractedImages = new ArrayList<ExtractedImage>();
    String parentFileName = getUniqueName(af);
    XMLSlideShow pptx;//from w  ww  . j a  va 2  s . c om
    try {
        pptx = new XMLSlideShow(new ReadContentInputStream(af));
    } catch (IOException ex) {
        logger.log(Level.WARNING, "SlideShow container could not be instantiated while reading " + af.getName(),
                ex);
        return null;
    }
    List<XSLFPictureData> listOfAllPictures = pptx.getAllPictures();

    // if no images are extracted from the ppt, return null, else initialize
    // the output folder for image extraction.
    String outputFolderPath;
    if (listOfAllPictures.isEmpty()) {
        return null;
    } else {
        outputFolderPath = getOutputFolderPath(parentFileName);
    }
    if (outputFolderPath == null) {
        logger.log(Level.WARNING, "Could not get path for image extraction from AbstractFile: {0}",
                af.getName());
        return null;
    }

    for (XSLFPictureData xslsPicture : listOfAllPictures) {

        // get image file name, write it to the module outputFolder, and add
        // it to the listOfExtractedImages.
        String fileName = xslsPicture.getFileName();
        FileOutputStream fos = null;
        try {
            fos = new FileOutputStream(outputFolderPath + File.separator + fileName);
        } catch (FileNotFoundException ex) {
            logger.log(Level.WARNING, "Invalid path provided for image extraction", ex);
            continue;
        }
        try {
            fos.write(xslsPicture.getData());
            fos.close();
        } catch (IOException ex) {
            logger.log(Level.WARNING, "Could not write to the provided location", ex);
            continue;
        }

        String fileRelativePath = File.separator + moduleDirRelative + File.separator + parentFileName
                + File.separator + fileName;
        long size = xslsPicture.getData().length;
        ExtractedImage extractedimage = new ExtractedImage(fileName, fileRelativePath, size, af);
        listOfExtractedImages.add(extractedimage);

    }

    return listOfExtractedImages;

}

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From source file:org.sleuthkit.autopsy.modules.embeddedfileextractor.ImageExtractor.java

License:Open Source License

/**
 * Extract images from pptx format files.
 *
 * @param af the file from which images are to be extracted.
 *
 * @return list of extracted images. Returns null in case no images were
 *         extracted.//from www .  j a  v  a 2  s.  c om
 */
private List<ExtractedImage> extractImagesFromPptx(AbstractFile af) {
    List<ExtractedImage> listOfExtractedImages;
    XMLSlideShow pptx;
    try {
        pptx = new XMLSlideShow(new ReadContentInputStream(af));
    } catch (Throwable ex) {
        // instantiating POI containers throw RuntimeExceptions
        logger.log(Level.WARNING, NbBundle.getMessage(this.getClass(),
                "EmbeddedFileExtractorIngestModule.ImageExtractor.pptxContainer.init.err", af.getName()), ex); //NON-NLS
        return null;
    }
    List<XSLFPictureData> listOfAllPictures = null;
    try {
        listOfAllPictures = pptx.getAllPictures();
    } catch (Exception ex) {
        // log internal Java and Apache errors as WARNING
        logger.log(Level.WARNING, NbBundle.getMessage(this.getClass(),
                "EmbeddedFileExtractorIngestModule.ImageExtractor.processing.err", af.getName()), ex); //NON-NLS
        return null;
    }

    // if no images are extracted from the PPT, return null, else initialize
    // the output folder for image extraction.
    String outputFolderPath;
    if (listOfAllPictures.isEmpty()) {
        return null;
    } else {
        outputFolderPath = getOutputFolderPath(this.parentFileName);
    }
    if (outputFolderPath == null) {
        logger.log(Level.WARNING, NbBundle.getMessage(this.getClass(),
                "EmbeddedFileExtractorIngestModule.ImageExtractor.extractImageFrom.outputPath.exception.msg",
                af.getName())); //NON-NLS
        return null;
    }

    listOfExtractedImages = new ArrayList<>();
    byte[] data = null;
    for (XSLFPictureData xslsPicture : listOfAllPictures) {

        // get image file name, write it to the module outputFolder, and add
        // it to the listOfExtractedImageAbstractFiles.
        String fileName = xslsPicture.getFileName();
        try {
            data = xslsPicture.getData();
        } catch (Exception ex) {
            // log internal Java and Apache errors as WARNING
            logger.log(Level.WARNING,
                    NbBundle.getMessage(this.getClass(),
                            "EmbeddedFileExtractorIngestModule.ImageExtractor.processing.err", af.getName()),
                    ex); //NON-NLS
            return null;
        }
        writeExtractedImage(Paths.get(outputFolderPath, fileName).toString(), data);
        listOfExtractedImages.add(
                new ExtractedImage(fileName, getFileRelativePath(fileName), xslsPicture.getData().length, af));

    }

    return listOfExtractedImages;

}

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From source file:poi.xslf.usermodel.DataExtraction.java

License:Apache License

public static void main(String args[]) throws Exception {

    if (args.length == 0) {
        System.out.println("Input file is required");
        return;//  w ww .j  av  a 2s  .c  o  m
    }

    FileInputStream is = new FileInputStream(args[0]);
    XMLSlideShow ppt = new XMLSlideShow(is);
    is.close();

    // Get the document's embedded files.
    List<PackagePart> embeds = ppt.getAllEmbedds();
    for (PackagePart p : embeds) {
        String type = p.getContentType();
        String name = p.getPartName().getName(); //typically file name

        InputStream pIs = p.getInputStream();
        // make sense of the part data
        pIs.close();

    }

    // Get the document's embedded files.
    List<XSLFPictureData> images = ppt.getAllPictures();
    for (XSLFPictureData data : images) {
        PackagePart p = data.getPackagePart();

        String type = p.getContentType();
        String name = data.getFileName();

        InputStream pIs = p.getInputStream();
        // make sense of the image data
        pIs.close();

    }

    Dimension pageSize = ppt.getPageSize(); // size of the canvas in points
    for (XSLFSlide slide : ppt.getSlides()) {
        for (XSLFShape shape : slide) {
            Rectangle2D anchor = shape.getAnchor(); // position on the canvas
            if (shape instanceof XSLFTextShape) {
                XSLFTextShape txShape = (XSLFTextShape) shape;
                System.out.println(txShape.getText());
            } else if (shape instanceof XSLFPictureShape) {
                XSLFPictureShape pShape = (XSLFPictureShape) shape;
                XSLFPictureData pData = pShape.getPictureData();
                System.out.println(pData.getFileName());
            } else {
                System.out.println("Process me: " + shape.getClass());
            }
        }
    }
}

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