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@@ -6,3 +6,4 @@ | |
| /.settings | ||
| /bin | ||
| /target | ||
| /target | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> | ||
| <modelVersion>4.0.0</modelVersion> | ||
| <parent> | ||
| <groupId>org.overlord.sramp</groupId> | ||
| <artifactId>s-ramp</artifactId> | ||
| <version>0.6.0-SNAPSHOT</version> | ||
| <relativePath>../pom.xml</relativePath> | ||
| </parent> | ||
|
|
||
| <artifactId>s-ramp-events-jms</artifactId> | ||
| <packaging>bundle</packaging> | ||
| <name>S-RAMP Events: JMS</name> | ||
| <description>JMS implementation of the S-RAMP Events functionality.</description> | ||
|
|
||
| <dependencyManagement> | ||
| <dependencies> | ||
| <dependency> | ||
| <groupId>org.apache.activemq</groupId> | ||
| <artifactId>activemq-kahadb-store</artifactId> | ||
| <version>${version.org.apache.activemq}</version> | ||
| </dependency> | ||
| </dependencies> | ||
| </dependencyManagement> | ||
|
|
||
| <dependencies> | ||
| <dependency> | ||
| <groupId>org.overlord.sramp</groupId> | ||
| <artifactId>s-ramp-common</artifactId> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>org.overlord.sramp</groupId> | ||
| <artifactId>s-ramp-events</artifactId> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>javax.jms</groupId> | ||
| <artifactId>jms</artifactId> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>org.codehaus.jackson</groupId> | ||
| <artifactId>jackson-mapper-asl</artifactId> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>org.apache.activemq</groupId> | ||
| <artifactId>activemq-broker</artifactId> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>org.apache.activemq</groupId> | ||
| <artifactId>activemq-kahadb-store</artifactId> | ||
| </dependency> | ||
| </dependencies> | ||
|
|
||
| <build> | ||
| <plugins> | ||
| <plugin> | ||
| <groupId>org.apache.felix</groupId> | ||
| <artifactId>maven-bundle-plugin</artifactId> | ||
| <extensions>true</extensions> | ||
| </plugin> | ||
| </plugins> | ||
| </build> | ||
|
|
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| </project> |
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s-ramp-events-jms/src/main/java/org/overlord/sramp/events/jms/JMSEventProducer.java
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| /* | ||
| * Copyright 2014 JBoss Inc | ||
| * | ||
| * Licensed 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.overlord.sramp.events.jms; | ||
|
|
||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
|
|
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| import javax.jms.Connection; | ||
| import javax.jms.ConnectionFactory; | ||
| import javax.jms.Destination; | ||
| import javax.jms.MessageProducer; | ||
| import javax.jms.Queue; | ||
| import javax.jms.Session; | ||
| import javax.jms.TextMessage; | ||
| import javax.jms.Topic; | ||
| import javax.naming.Context; | ||
| import javax.naming.InitialContext; | ||
| import javax.naming.NamingException; | ||
|
|
||
| import org.apache.activemq.ActiveMQConnectionFactory; | ||
| import org.apache.activemq.broker.BrokerService; | ||
| import org.apache.commons.lang.StringUtils; | ||
| import org.apache.felix.scr.annotations.Component; | ||
| import org.apache.felix.scr.annotations.Service; | ||
| import org.codehaus.jackson.map.ObjectMapper; | ||
| import org.oasis_open.docs.s_ramp.ns.s_ramp_v1.BaseArtifactType; | ||
| import org.overlord.sramp.common.Sramp; | ||
| import org.overlord.sramp.common.SrampConstants; | ||
| import org.overlord.sramp.events.ArtifactUpdateEvent; | ||
| import org.overlord.sramp.events.EventProducer; | ||
| import org.overlord.sramp.events.OntologyUpdateEvent; | ||
| import org.overlord.sramp.events.jms.i18n.Messages; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
| import org.w3._1999._02._22_rdf_syntax_ns_.RDF; | ||
|
|
||
| /** | ||
| * Provides a JMS implementation of the {@link EventProducer}. | ||
| * | ||
| * @author Brett Meyer | ||
| */ | ||
| @Component(name = "JMS Event Producer", immediate = true) | ||
| @Service(value = EventProducer.class) | ||
| public class JMSEventProducer implements EventProducer { | ||
|
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| public static final String JMS_TYPE_ARTIFACT_CREATED = "sramp:artifactCreated"; | ||
| public static final String JMS_TYPE_ARTIFACT_UPDATED = "sramp:artifactUpdated"; | ||
| public static final String JMS_TYPE_ARTIFACT_DELETED = "sramp:artifactDeleted"; | ||
| public static final String JMS_TYPE_ONTOLOGY_CREATED = "sramp:ontologyCreated"; | ||
| public static final String JMS_TYPE_ONTOLOGY_UPDATED = "sramp:ontologyUpdated"; | ||
| public static final String JMS_TYPE_ONTOLOGY_DELETED = "sramp:ontologyDeleted"; | ||
|
|
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| private static final String CONNECTIONFACTORY_JNDI = "ConnectionFactory"; //$NON-NLS-1$ | ||
|
|
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| // TODO: Should the port be configurable? | ||
| private static final String ACTIVEMQ_PROVIDER_URL = "tcp://localhost:61616"; | ||
|
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| private static Logger LOG = LoggerFactory.getLogger(JMSEventProducer.class); | ||
|
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| private static final Sramp sramp = new Sramp(); | ||
|
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| private Connection connection = null; | ||
|
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| private Session session = null; | ||
|
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| private List<Destination> destinations = new ArrayList<Destination>(); | ||
|
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| @Override | ||
| public void startup() { | ||
| try { | ||
| // Note that both properties end up doing the same thing. Technically, we could combine both into one | ||
| // single sramp.config.events.jms.destinations, but leaving them split for readability. | ||
|
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| String topicNamesProp = sramp.getConfigProperty(SrampConstants.SRAMP_CONFIG_EVENT_TOPICS, ""); | ||
| String[] topicNames = new String[0]; | ||
| if (StringUtils.isNotEmpty(topicNamesProp)) { | ||
| topicNames = topicNamesProp.split(","); | ||
| } | ||
|
|
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| String queueNamesProp = sramp.getConfigProperty(SrampConstants.SRAMP_CONFIG_EVENT_QUEUES, ""); | ||
| String[] queueNames = new String[0]; | ||
| if (StringUtils.isNotEmpty(queueNamesProp)) { | ||
| queueNames = queueNamesProp.split(","); | ||
| } | ||
|
|
||
| try { | ||
| // First, see if a ConnectionFactory and Topic/Queue exists on JNDI. If so, assume JMS is properly | ||
| // setup in a Java EE container and simply use it. | ||
|
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| ConnectionFactory connectionFactory = (ConnectionFactory) jndiLookup(CONNECTIONFACTORY_JNDI); | ||
| connection = connectionFactory.createConnection(); | ||
| session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); | ||
|
|
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| for (String topicName : topicNames) { | ||
| Topic topic = (Topic) jndiLookup(topicName); | ||
| destinations.add(topic); | ||
| } | ||
|
|
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| for (String queueName : queueNames) { | ||
| Queue queue = (Queue) jndiLookup(queueName); | ||
| destinations.add(queue); | ||
| } | ||
| } catch (NamingException e) { | ||
| // JMS wasn't setup. Assume we need to start an embedded ActiveMQ broker and create the destinations. | ||
| LOG.warn(Messages.i18n.format("org.overlord.sramp.events.jms.embedded_broker")); | ||
|
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| session = null; | ||
| destinations.clear(); | ||
|
|
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| BrokerService broker = new BrokerService(); | ||
| broker.addConnector(ACTIVEMQ_PROVIDER_URL); | ||
| // TODO: Add security plugin? JAAS? | ||
| broker.start(); | ||
|
|
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| // Event though we added a TCP connector, above, ActiveMQ also exposes the broker over the "vm" | ||
| // protocol. It optimizes performance for connections on the same JVM. | ||
| ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://localhost"); | ||
| Connection connection = connectionFactory.createConnection(); | ||
| connection.start(); | ||
| session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); | ||
|
|
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| for (String topicName : topicNames) { | ||
| destinations.add(session.createTopic(topicName)); | ||
| } | ||
|
|
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| for (String queueName : queueNames) { | ||
| destinations.add(session.createQueue(queueName)); | ||
| } | ||
| } | ||
| } catch (Exception e) { | ||
| LOG.error(e.getMessage(), e); | ||
| } | ||
| } | ||
|
|
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| @Override | ||
| public void artifactCreated(BaseArtifactType artifact) { | ||
| publishEvent(artifact, JMS_TYPE_ARTIFACT_CREATED); | ||
| } | ||
|
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| @Override | ||
| public void artifactUpdated(BaseArtifactType updatedArtifact, BaseArtifactType oldArtifact) { | ||
| ArtifactUpdateEvent event = new ArtifactUpdateEvent(updatedArtifact, oldArtifact); | ||
| publishEvent(event, JMS_TYPE_ARTIFACT_UPDATED); | ||
| } | ||
|
|
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| @Override | ||
| public void artifactDeleted(BaseArtifactType artifact) { | ||
| publishEvent(artifact, JMS_TYPE_ARTIFACT_DELETED); | ||
| } | ||
|
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| @Override | ||
| public void ontologyCreated(RDF ontology) { | ||
| publishEvent(ontology, JMS_TYPE_ONTOLOGY_CREATED); | ||
| } | ||
|
|
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| @Override | ||
| public void ontologyUpdated(RDF updatedOntology, RDF oldOntology) { | ||
| OntologyUpdateEvent event = new OntologyUpdateEvent(updatedOntology, oldOntology); | ||
| publishEvent(event, JMS_TYPE_ONTOLOGY_UPDATED); | ||
| } | ||
|
|
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| @Override | ||
| public void ontologyDeleted(RDF ontology) { | ||
| publishEvent(ontology, JMS_TYPE_ONTOLOGY_DELETED); | ||
| } | ||
|
|
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| private void publishEvent(Object payload, String type) { | ||
| for (Destination destination : destinations) { | ||
| MessageProducer producer = null; | ||
| try { | ||
| producer = session.createProducer(destination); | ||
| TextMessage textMessage = session.createTextMessage(); | ||
| textMessage.setJMSType(type); | ||
|
|
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| ObjectMapper mapper = new ObjectMapper(); | ||
| String text = mapper.writeValueAsString(payload); | ||
| textMessage.setText(text); | ||
|
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| producer.send(textMessage); | ||
| } catch (Exception e) { | ||
| LOG.error(e.getMessage(), e); | ||
| } finally { | ||
| if (producer != null) { | ||
| try { | ||
| producer.close(); | ||
| } catch (Exception e) { | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
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| private Object jndiLookup(String name) throws NamingException { | ||
| Context initContext = new InitialContext(); | ||
| try { | ||
| Context jndiContext = (Context) initContext.lookup("java:comp/env"); | ||
| return jndiContext.lookup(name); | ||
| } catch (NamingException e) { | ||
| // EAP (no namespace) | ||
| Context jndiContext = (Context) initContext.lookup("java:"); | ||
| return jndiContext.lookup(name); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public void shutdown() { | ||
| try { | ||
| session.close(); | ||
| } catch (Exception e) { | ||
| } | ||
| try { | ||
| connection.close(); | ||
| } catch (Exception e) { | ||
| } | ||
| } | ||
| } |
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