public <T> OpenStackResponse request(OpenStackRequest<T> request) {
ClientRequest client =
new ClientRequest(
UriBuilder.fromUri(request.endpoint() + "/" + request.path()),
ClientRequest.getDefaultExecutor(),
providerFactory);
for (Map.Entry<String, List<Object>> entry : request.queryParams().entrySet()) {
for (Object o : entry.getValue()) {
client = client.queryParameter(entry.getKey(), String.valueOf(o));
}
}
for (Entry<String, List<Object>> h : request.headers().entrySet()) {
StringBuilder sb = new StringBuilder();
for (Object v : h.getValue()) {
sb.append(String.valueOf(v));
}
client.header(h.getKey(), sb);
}
if (request.entity() != null) {
client.body(request.entity().getContentType(), request.entity().getEntity());
}
ClientResponse<T> response;
try {
response = client.httpMethod(request.method().name(), request.returnType());
} catch (Exception e) {
throw new RuntimeException("Unexpected client exception", e);
}
if (response.getStatus() == HttpStatus.SC_OK
|| response.getStatus() == HttpStatus.SC_CREATED
|| response.getStatus() == HttpStatus.SC_NO_CONTENT) {
return new RESTEasyResponse(response);
}
response.releaseConnection();
throw new OpenStackResponseException(
response.getResponseStatus().getReasonPhrase(), response.getStatus());
}
@Override
public boolean push(ClientMessage message) {
ActiveMQRestLogger.LOGGER.debug("Pushing " + message);
String uri = createUri(message);
for (int i = 0; i < registration.getMaxRetries(); i++) {
long wait = registration.getRetryWaitMillis();
System.out.println("Creating request from " + uri);
ClientRequest request = executor.createRequest(uri);
request.followRedirects(false);
ActiveMQRestLogger.LOGGER.debug("Created request " + request);
for (XmlHttpHeader header : registration.getHeaders()) {
ActiveMQRestLogger.LOGGER.debug(
"Setting XmlHttpHeader: " + header.getName() + "=" + header.getValue());
request.header(header.getName(), header.getValue());
}
HttpMessageHelper.buildMessage(message, request, contentType, jmsOptions);
ClientResponse<?> res = null;
try {
ActiveMQRestLogger.LOGGER.debug(method + " " + uri);
res = request.httpMethod(method);
int status = res.getStatus();
ActiveMQRestLogger.LOGGER.debug("Status of push: " + status);
if (status == 503) {
String retryAfter = res.getStringHeaders().getFirst("Retry-After");
if (retryAfter != null) {
wait = Long.parseLong(retryAfter) * 1000;
}
} else if (status == 307) {
uri = res.getLocation().toString();
wait = 0;
} else if ((status >= 200 && status < 299) || status == 303 || status == 304) {
ActiveMQRestLogger.LOGGER.debug("Success");
return true;
} else if (status >= 400) {
switch (status) {
case 400: // these usually mean the message you are trying to send is crap, let dead
// letter logic take over
case 411:
case 412:
case 413:
case 414:
case 415:
case 416:
throw new RuntimeException(
"Something is wrong with the message, status returned: "
+ status
+ " for push registration of URI: "
+ uri);
case 401: // might as well consider these critical failures and abort. Immediately
// signal to disable push registration depending on config
case 402:
case 403:
case 405:
case 406:
case 407:
case 417:
case 505:
return false;
case 404: // request timeout, gone, and not found treat as a retry
case 408:
case 409:
case 410:
break;
default: // all 50x requests just retry (except 505)
break;
}
}
} catch (Exception e) {
ActiveMQRestLogger.LOGGER.debug("failed to push message to " + uri, e);
e.printStackTrace();
return false;
} finally {
if (res != null) res.releaseConnection();
}
try {
if (wait > 0) Thread.sleep(wait);
} catch (InterruptedException e) {
throw new RuntimeException("Interrupted");
}
}
return false;
}