How to use

setEntityStream

method

in

com.atlassian.httpclient.api.Request$Builder

if (ContentType.APPLICATION_FORM_URLENCODED.getMimeType().equals(contentType)) {
  InputStream form = IOUtils.toInputStream(UriBuilder.joinParameters(UriBuilderUtils.toListFormat(parameters)));
  request.setEntityStream(new SequenceInputStream(body, form));
} else {
  request.setEntityStream(body);

if (ContentType.APPLICATION_FORM_URLENCODED.getMimeType().equals(contentType)) {
  InputStream form = IOUtils.toInputStream(UriBuilder.joinParameters(UriBuilderUtils.toListFormat(parameters)));
  request.setEntityStream(new SequenceInputStream(body, form));
} else {
  request.setEntityStream(body);

.setEntityStream(new ByteArrayInputStream(request.getContent()))
.setContentType(request.getContentType().orElseThrow(() ->
    new IllegalStateException("If content is provided, Content-Type must also be specified")));