tempFile = File.createTempFile("crawler-", ".tmp");
            tempFile.setReadable(false, false);
            tempFile.setReadable(true, true);
            tempFile.setWritable(false, false);
            tempFile.setWritable(true, true);
            try (final FileOutputStream fos = new FileOutputStream(tempFile)) {
                CopyUtil.copy(is, fos);
            }
        } catch (final Exception e) {

            final File tempFile = File.createTempFile(prefix, suffix, directory);
            tempFile.setReadable(false, false);
            tempFile.setReadable(true, true);
            tempFile.setWritable(false, false);
            tempFile.setWritable(true, true);
            return tempFile;
        } catch (final IOException e) {
            throw new CrawlerSystemException("Could not create a temp file.", e);
        }
    }

        try {
            final File file = File.createTempFile(prefix, suffix);
            file.setReadable(false, false);
            file.setReadable(true, true);
            file.setWritable(false, false);
            file.setWritable(true, true);
            if (logger.isDebugEnabled()) {
                logger.debug("Create {} as a temp file.", file.getAbsolutePath());
            }
            return file;