writer.write(artifact.getId());
        }

        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(artifact.getId().getBytes());
        byte[] digest = md.digest();

        String md5path = repository.pathOf(artifact) + ".md5";
        File md5artifactFile = new File(repository.getBasedir(), md5path);
        try (Writer writer =

                return null;
            }

            @Override
            public InputStream openStream() throws IOException {
                return new ByteArrayInputStream(buffer.toString().getBytes(StandardCharsets.UTF_8));
            }

            @Override
            public String getLocation() {
                return artifact.getId();
            }

            @Override

                throw new RuntimeException(e);
            }
            return false;
        }
    }

    @Override
    public Optional<byte[]> getBytes(URI relativeSource) {
        try {
            Path tempPath = null;
            try {
                tempPath = Files.createTempFile("transport-get", "tmp");
                if (get(relativeSource, tempPath)) {

      throw closer.rethrow(e);
    } finally {
      closer.close();
    }
  }

  private static Manifest manifest(String content) throws IOException {
    InputStream in = new ByteArrayInputStream(content.getBytes(US_ASCII));
    Manifest manifest = new Manifest();
    manifest.read(in);
    return manifest;
  }

  private static File fullpath(String path) {
    return new File(new File(path).toURI());
  }