public File prepareDownloadFile()

in lambda/src/main/java/cn/amazon/aws/rp/spapi/clients/ApiClient.java [811:845]

31 lines of code
8 McCabe index (conditional complexity)


    public File prepareDownloadFile(Response response) throws IOException {
        String filename = null;
        String contentDisposition = response.header("Content-Disposition");
        if (contentDisposition != null && !"".equals(contentDisposition)) {
            // Get filename from the Content-Disposition header.
            Pattern pattern = Pattern.compile("filename=['\"]?([^'\"\\s]+)['\"]?");
            Matcher matcher = pattern.matcher(contentDisposition);
            if (matcher.find()) {
                filename = sanitizeFilename(matcher.group(1));
            }
        }

        String prefix = null;
        String suffix = null;
        if (filename == null) {
            prefix = "download-";
            suffix = "";
        } else {
            int pos = filename.lastIndexOf(".");
            if (pos == -1) {
                prefix = filename + "-";
            } else {
                prefix = filename.substring(0, pos) + "-";
                suffix = filename.substring(pos);
            }
            // File.createTempFile requires the prefix to be at least three characters long
            if (prefix.length() < 3)
                prefix = "download-";
        }

        if (tempFolderPath == null)
            return File.createTempFile(prefix, suffix);
        else
            return File.createTempFile(prefix, suffix, new File(tempFolderPath));
    }