public void connect(Consumer<HttpURLConnection> actionListener, Consumer<Exception> exceptionListener) {
            try {
                actionListener.accept(new MockHttpURLConnection(new URL(url)));
            } catch (MalformedURLException e) {
                exceptionListener.accept(e);
            }
        }
    }

    class MockHttpURLConnection extends HttpURLConnection {

        MockHttpURLConnection(URL u) {

                if (length != 0) {
                    baos.write(bytes, 0, length);
                }
                length = bis.read(bytes);
            }
            return baos.toString(encoding);
        } catch (final Exception e) {
            throw new CurlException("Failed to access the content.", e);
        }
    }

    public InputStream getContentAsStream() throws IOException {
        if (contentCache == null) {

                final File file = super.getFile();
                if (file != null) {
                    try {
                        Files.deleteIfExists(file.toPath());
                    } catch (final IOException e) {
                        logger.warning(e.getLocalizedMessage());
                    }
                }
            }
        }
    }

                        IOUtils.copy(bodyStream, out);
                        out.flush();
                    }
                }

                actionListener.accept(connection);
            } catch (final Exception e) {
                exceptionListener.accept(new CurlException("Failed to access to " + url, e));
            } finally {
                if (connection != null) {
                    connection.disconnect();