/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.activemq.artemis.rest.queue.push;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.UriInfo;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicLong;
import org.apache.activemq.artemis.api.core.client.ClientSessionFactory;
import org.apache.activemq.artemis.jms.client.ConnectionFactoryOptions;
import org.apache.activemq.artemis.rest.ActiveMQRestLogger;
import org.apache.activemq.artemis.rest.queue.push.xml.PushRegistration;
public class PushConsumerResource {
protected Map<String, PushConsumer> consumers = new ConcurrentHashMap<>();
protected ClientSessionFactory sessionFactory;
protected String destination;
protected final String startup = Long.toString(System.currentTimeMillis());
protected final AtomicLong sessionCounter = new AtomicLong(1);
protected PushStore pushStore;
private ConnectionFactoryOptions jmsOptions;
public void start() {
}
public void stop() {
for (PushConsumer consumer : consumers.values()) {
consumer.stop();
}
}
public PushStore getPushStore() {
return pushStore;
}
public void setPushStore(PushStore pushStore) {
this.pushStore = pushStore;
}
public void addRegistration(PushRegistration reg) throws Exception {
if (reg.isEnabled() == false)
return;
PushConsumer consumer = new PushConsumer(sessionFactory, destination, reg.getId(), reg, pushStore, jmsOptions);
consumer.start();
consumers.put(reg.getId(), consumer);
}
@POST
@Consumes("application/xml")
public Response create(@Context UriInfo uriInfo, PushRegistration registration) {
ActiveMQRestLogger.LOGGER.debug("Handling POST request for \"" + uriInfo.getPath() + "\"");
// todo put some logic here to check for duplicates
String genId = sessionCounter.getAndIncrement() + "-" + startup;
registration.setId(genId);
registration.setDestination(destination);
PushConsumer consumer = new PushConsumer(sessionFactory, destination, genId, registration, pushStore, jmsOptions);
try {
consumer.start();
if (registration.isDurable() && pushStore != null) {
pushStore.add(registration);
}
} catch (Exception e) {
consumer.stop();
throw new WebApplicationException(e, Response.serverError().entity("Failed to start consumer.").type("text/plain").build());
}
consumers.put(genId, consumer);
UriBuilder location = uriInfo.getAbsolutePathBuilder();
location.path(genId);
return Response.created(location.build()).build();
}
@GET
@Path("{consumer-id}")
@Produces("application/xml")
public PushRegistration getConsumer(@Context UriInfo uriInfo, @PathParam("consumer-id") String consumerId) {
ActiveMQRestLogger.LOGGER.debug("Handling GET request for \"" + uriInfo.getPath() + "\"");
PushConsumer consumer = consumers.get(consumerId);
if (consumer == null) {
throw new WebApplicationException(Response.status(404).entity("Could not find consumer.").type("text/plain").build());
}
return consumer.getRegistration();
}
@DELETE
@Path("{consumer-id}")
public void deleteConsumer(@Context UriInfo uriInfo, @PathParam("consumer-id") String consumerId) {
ActiveMQRestLogger.LOGGER.debug("Handling DELETE request for \"" + uriInfo.getPath() + "\"");
PushConsumer consumer = consumers.remove(consumerId);
if (consumer == null) {
throw new WebApplicationException(Response.status(404).entity("Could not find consumer.").type("text/plain").build());
}
consumer.stop();
}
public Map<String, PushConsumer> getConsumers() {
return consumers;
}
public ClientSessionFactory getSessionFactory() {
return sessionFactory;
}
public void setSessionFactory(ClientSessionFactory sessionFactory) {
this.sessionFactory = sessionFactory;
}
public String getDestination() {
return destination;
}
public void setDestination(String destination) {
this.destination = destination;
}
public void setJmsOptions(ConnectionFactoryOptions jmsOptions) {
this.jmsOptions = jmsOptions;
}
}