@Path("auto-ack/{subscription-id}")
@DELETE
public void deleteSubscription(
@Context UriInfo uriInfo, @PathParam("subscription-id") String consumerId) {
ActiveMQRestLogger.LOGGER.debug("Handling DELETE request for \"" + uriInfo.getPath() + "\"");
internalDeleteSubscription(consumerId);
}
@Path("acknowledged/{consumer-id}")
@HEAD
public Response headAcknowledgedConsumer(
@PathParam("consumer-id") String consumerId, @Context UriInfo uriInfo) throws Exception {
ActiveMQRestLogger.LOGGER.debug("Handling HEAD request for \"" + uriInfo.getPath() + "\"");
return internalHeadAcknowledgedConsumer(uriInfo, consumerId);
}
@Path("auto-ack/{consumer-id}")
@GET
public Response getAutoAckSubscription(
@PathParam("consumer-id") String consumerId, @Context UriInfo uriInfo) throws Exception {
ActiveMQRestLogger.LOGGER.debug("Handling GET request for \"" + uriInfo.getPath() + "\"");
return internalHeadAutoAckSubscription(uriInfo, consumerId);
}
@Override
public boolean testTimeout(String target, boolean autoShutdown) {
QueueConsumer consumer = queueConsumers.get(target);
Subscription subscription = (Subscription) consumer;
if (consumer == null) return false;
if (System.currentTimeMillis() - consumer.getLastPingTime() > subscription.getTimeout()) {
ActiveMQRestLogger.LOGGER.shutdownRestSubscription(consumer.getId());
if (autoShutdown) {
shutdown(consumer);
}
return true;
} else {
return false;
}
}
@POST
public Response createSubscription(
@FormParam("durable") @DefaultValue("false") boolean durable,
@FormParam("autoAck") @DefaultValue("true") boolean autoAck,
@FormParam("name") String subscriptionName,
@FormParam("selector") String selector,
@FormParam("delete-when-idle") Boolean destroyWhenIdle,
@FormParam("idle-timeout") Long timeout,
@Context UriInfo uriInfo) {
ActiveMQRestLogger.LOGGER.debug("Handling POST request for \"" + uriInfo.getPath() + "\"");
if (timeout == null) timeout = Long.valueOf(consumerTimeoutSeconds * 1000);
boolean deleteWhenIdle = !durable; // default is true if non-durable
if (destroyWhenIdle != null) deleteWhenIdle = destroyWhenIdle.booleanValue();
if (subscriptionName != null) {
// see if this is a reconnect
QueueConsumer consumer = queueConsumers.get(subscriptionName);
if (consumer != null) {
boolean acked = consumer instanceof AcknowledgedSubscriptionResource;
acked = !acked;
if (acked != autoAck) {
throw new WebApplicationException(
Response.status(412)
.entity("Consumer already exists and ack-modes don't match.")
.type("text/plain")
.build());
}
Subscription sub = (Subscription) consumer;
if (sub.isDurable() != durable) {
throw new WebApplicationException(
Response.status(412)
.entity("Consumer already exists and durability doesn't match.")
.type("text/plain")
.build());
}
Response.ResponseBuilder builder = Response.noContent();
String pathToPullSubscriptions = uriInfo.getMatchedURIs().get(0);
if (autoAck) {
headAutoAckSubscriptionResponse(uriInfo, consumer, builder, pathToPullSubscriptions);
consumer.setSessionLink(
builder, uriInfo, pathToPullSubscriptions + "/auto-ack/" + consumer.getId());
} else {
headAcknowledgedConsumerResponse(uriInfo, (AcknowledgedQueueConsumer) consumer, builder);
consumer.setSessionLink(
builder, uriInfo, pathToPullSubscriptions + "/acknowledged/" + consumer.getId());
}
return builder.build();
}
} else {
subscriptionName = generateSubscriptionName();
}
ClientSession session = null;
try {
// if this is not a reconnect, create the subscription queue
if (!subscriptionExists(subscriptionName)) {
session = sessionFactory.createSession();
if (durable) {
session.createQueue(destination, subscriptionName, true);
} else {
session.createTemporaryQueue(destination, subscriptionName);
}
}
QueueConsumer consumer =
createConsumer(durable, autoAck, subscriptionName, selector, timeout, deleteWhenIdle);
queueConsumers.put(consumer.getId(), consumer);
serviceManager.getTimeoutTask().add(this, consumer.getId());
UriBuilder location = uriInfo.getAbsolutePathBuilder();
if (autoAck) location.path("auto-ack");
else location.path("acknowledged");
location.path(consumer.getId());
Response.ResponseBuilder builder = Response.created(location.build());
if (autoAck) {
QueueConsumer.setConsumeNextLink(
serviceManager.getLinkStrategy(),
builder,
uriInfo,
uriInfo.getMatchedURIs().get(0) + "/auto-ack/" + consumer.getId(),
"-1");
} else {
AcknowledgedQueueConsumer.setAcknowledgeNextLink(
serviceManager.getLinkStrategy(),
builder,
uriInfo,
uriInfo.getMatchedURIs().get(0) + "/acknowledged/" + consumer.getId(),
"-1");
}
return builder.build();
} catch (ActiveMQException e) {
throw new RuntimeException(e);
} finally {
if (session != null) {
try {
session.close();
} catch (ActiveMQException e) {
}
}
}
}
@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;
}
