IRI colUri = new IRI(providerURI).resolve("customer");
// res = client.post(colUri.toString() + "?test=foo", entry, opts);
id = eTag.substring( 1, eTag.length()-1);
// Warning. AbderaClient.put(String uri,Base base,RequestOptions options) caches on the client side.
// ClientResponse res = client.put(colUri.toString() + id, entry, opts);
ClientResponse res = client.put(colUri.toString() + "/" + id, new BaseRequestEntity( entry ), opts);
// Expected Atom server response (item was edited by another user)
// > HTTP/1.1 412 Precondition Failed
// Date: Sat, 24 Feb 2007 16:34:11 GMT
// If-Match Assert response status code is 412. Precondition failed.