File tempFile = null;
        LhaFile lhaFile = null;
        try {
            tempFile = createTempFile("crawler-", ".lzh", null);
            try (FileOutputStream fos = new FileOutputStream(tempFile)) {
                CopyUtil.copy(in, fos);
            }

            lhaFile = new LhaFile(tempFile);
            @SuppressWarnings("unchecked")