this.encoding = encoding;
        return this;
    }

    public CurlRequest threshold(final int threshold) {
        this.threshold = threshold;
        return this;
    }

    public CurlRequest gzip() {
        return compression(GZIP);
    }

    public CurlRequest compression(final String compression) {
        this.compression = compression;
        return this;
    }

        final Method httpMethod = Method.valueOf(request.getMethod().toUpperCase(Locale.ROOT));
        final CurlRequest curlRequest = ComponentUtil.getCurlHelper().request(httpMethod, path);

        final String contentType = request.getHeader("Content-Type");
        if (StringUtil.isNotEmpty(contentType)) {
            curlRequest.header("Content-Type", contentType);
        }

                throw new PluginException("Failed to install the artifact " + artifact.getName(), e);
            }
        }
    }

    protected CurlRequest createCurlRequest(final String url) {
        final CurlRequest request = Curl.get(url);
        final Proxy proxy = ComponentUtil.getFessConfig().getHttpProxy();
        if (proxy != null && !Proxy.NO_PROXY.equals(proxy)) {