Content content = abdera.getFactory().newContent();
content.setContentType(Content.Type.TEXT);
content.setValue(customerName);
entry.setContentElement(content);
RequestOptions opts = new RequestOptions();
final String contentType = "application/atom+xml; type=entry";
opts.setContentType(contentType);
// AtomTestCaseUtils.printRequestHeaders( "Post request headers", " ", opts );
IRI colUri = new IRI(providerURI).resolve("customer");
// res = client.post(colUri.toString() + "?test=foo", entry, opts);
ClientResponse res = client.post(colUri.toString(), entry, opts);