public void init(RackContext context) throws Exception {
this.context = context;
String jndiName = context.getInitParameter("jms.connection.factory");
if (jndiName != null && connectionFactory == null) {
Properties properties = new Properties();
String jndiProperties = context.getInitParameter("jms.jndi.properties");
if (jndiProperties != null) {
properties.load(new ByteArrayInputStream(jndiProperties.getBytes("UTF-8")));
}
jndiContext = new InitialContext(properties);
connectionFactory = (ConnectionFactory) jndiContext.lookup(jndiName);
}
}
public void destroy() {
for (Iterator it = queues.entrySet().iterator(); it.hasNext(); ) {
Map.Entry<String, Connection> entry = (Map.Entry<String, Connection>) it.next();
try {
entry.getValue().close();
} catch (Exception e) {
context.log("exception while closing connection: " + e.getMessage(), e);
}
}
queues.clear();
connectionFactory = null;
}
public synchronized void listen(String queueName) {
Connection conn = queues.get(queueName);
if (conn == null) {
try {
conn = connectionFactory.createConnection();
Session session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
Destination dest = (Destination) lookup(queueName);
MessageConsumer consumer = session.createConsumer(dest);
consumer.setMessageListener(new RubyObjectMessageListener(queueName));
queues.put(queueName, conn);
conn.start();
} catch (Exception e) {
context.log("Unable to listen to '" + queueName + "': " + e.getMessage(), e);
}
// } else { ... already listening on that queue
}
}
