if (contentCache == null) {
            if (contentException != null) {
                throw new CurlException("The content does not exist.", contentException);
            } else {
                throw new CurlException("The content does not exist.");
            }
        }
        return contentCache.getInputStream();
    }

    public void setContentCache(final ContentCache contentCache) {

                        } else {
                            return con.getInputStream();
                        }
                    } else if ("head".equalsIgnoreCase(con.getRequestMethod())) {
                        return new ByteArrayInputStream(new byte[0]);
                    } else {
                        if (GZIP.equals(con.getContentEncoding())) {