/**
* Refresh a JMS message listener.
*
* @param serverKey Name of the jms-service
* @throws GenericServiceException
*/
public void refreshListener(String serverKey) throws GenericServiceException {
GenericMessageListener listener = listeners.get(serverKey);
if (listener == null)
throw new GenericServiceException("No listener found with that serverKey.");
listener.refresh();
}
private GenericMessageListener loadListener(String serverKey, Element server)
throws GenericServiceException {
String serverName = server.getAttribute("jndi-server-name");
String jndiName = server.getAttribute("jndi-name");
String queueName = server.getAttribute("topic-queue");
String type = server.getAttribute("type");
String userName = server.getAttribute("username");
String password = server.getAttribute("password");
String className = server.getAttribute("listener-class");
if (UtilValidate.isEmpty(className)) {
if (type.equals("topic")) className = JmsListenerFactory.TOPIC_LISTENER_CLASS;
else if (type.equals("queue")) className = JmsListenerFactory.QUEUE_LISTENER_CLASS;
}
GenericMessageListener listener = listeners.get(serverKey);
if (listener == null) {
synchronized (this) {
listener = listeners.get(serverKey);
if (listener == null) {
ClassLoader cl = this.getClass().getClassLoader();
try {
Class<?> c = cl.loadClass(className);
Constructor<GenericMessageListener> cn =
UtilGenerics.cast(
c.getConstructor(
ServiceDispatcher.class,
String.class,
String.class,
String.class,
String.class,
String.class));
listener =
cn.newInstance(dispatcher, serverName, jndiName, queueName, userName, password);
} catch (Exception e) {
throw new GenericServiceException(e.getMessage(), e);
}
if (listener != null) listeners.put(serverKey, listener);
loadable++;
}
}
}
if (listener != null && !listener.isConnected()) {
listener.load();
if (listener.isConnected()) connected++;
}
return listener;
}
