public List getThumbnails()

in thumbnails4j-docx/src/main/java/co/elastic/thumbnails4j/docx/DOCXThumbnailer.java [69:92]

• 23 lines of code
• 5 McCabe index (conditional complexity)

    public List<BufferedImage> getThumbnails(InputStream input, List<Dimensions> dimensions) throws ThumbnailingException {
        List<BufferedImage> results = new ArrayList<>();
        try (XWPFDocument docx = new XWPFDocument(input)){
            InputStream imageStream = docx.getProperties().getThumbnailImage();
            if (imageStream==null) {
                byte[] htmlBytes = htmlBytesFromDocx(docx);
                for(Dimensions singleDimension: dimensions){
                    Dimensions expectedDimensions = docxPageDimensions(docx, singleDimension);
                    BufferedImage image = ThumbnailUtils.scaleHtmlToImage(htmlBytes, expectedDimensions);
                    results.add(ThumbnailUtils.scaleImage(image, singleDimension));
                }
            } else {
                BufferedImage image = ImageIO.read(imageStream);
                for(Dimensions singleDimension: dimensions) {
                    results.add(ThumbnailUtils.scaleImage(image, singleDimension));
                }

            }
        } catch (IOException e) {
            logger.error("Failed to read thumbnails from DOCX", e);
            throw new ThumbnailingException(e);
        }
        return results;
    }