/** public for unit test, not to be used otherwise */
public void execute(
HttpUriRequest httpUriRequest,
ContentType contentType,
FutureCallback<HttpResponse> callback) {
// add accept header when its not a form or multipart
final String contentTypeString = contentType.toString();
if (!ContentType.APPLICATION_FORM_URLENCODED.getMimeType().equals(contentType.getMimeType())
&& !contentType.getMimeType().startsWith(MULTIPART_MIME_TYPE)) {
// otherwise accept what is being sent
httpUriRequest.addHeader(HttpHeaders.ACCEPT, contentTypeString);
}
// is something being sent?
if (httpUriRequest instanceof HttpEntityEnclosingRequestBase
&& httpUriRequest.getFirstHeader(HttpHeaders.CONTENT_TYPE) == null) {
httpUriRequest.addHeader(HttpHeaders.CONTENT_TYPE, contentTypeString);
}
// set user specified custom headers
if (httpHeaders != null && !httpHeaders.isEmpty()) {
for (Map.Entry<String, String> entry : httpHeaders.entrySet()) {
httpUriRequest.setHeader(entry.getKey(), entry.getValue());
}
}
// add client protocol version if not specified
if (!httpUriRequest.containsHeader(ODataHttpHeaders.DATASERVICEVERSION)) {
httpUriRequest.addHeader(ODataHttpHeaders.DATASERVICEVERSION, ODataServiceVersion.V20);
}
if (!httpUriRequest.containsHeader(MAX_DATA_SERVICE_VERSION)) {
httpUriRequest.addHeader(MAX_DATA_SERVICE_VERSION, ODataServiceVersion.V30);
}
// execute request
client.execute(httpUriRequest, callback);
}
