/**
* Make a specific request to the underlying transport
*
* @param endpoint the endpoint to use when connecting to the resource
* @param timeout the maximum time the operation should block before returning. The call should
* return immediately if there is data available. If no data becomes available before the
* timeout elapses, null will be returned
* @return the result of the request wrapped in a UMOMessage object. Null will be returned if no
* data was avaialable
* @throws Exception if the call to the underlying protocal cuases an exception
*/
protected UMOMessage doReceive(UMOImmutableEndpoint endpoint, long timeout) throws Exception {
Session session = null;
Destination dest = null;
MessageConsumer consumer = null;
try {
boolean topic = false;
String resourceInfo = endpoint.getEndpointURI().getResourceInfo();
topic = (resourceInfo != null && JmsConstants.TOPIC_PROPERTY.equalsIgnoreCase(resourceInfo));
session = connector.getSession(false, topic);
dest =
connector
.getJmsSupport()
.createDestination(session, endpoint.getEndpointURI().getAddress(), topic);
consumer = connector.getJmsSupport().createConsumer(session, dest, topic);
try {
Message message = null;
if (timeout == RECEIVE_NO_WAIT) {
message = consumer.receiveNoWait();
} else if (timeout == RECEIVE_WAIT_INDEFINITELY) {
message = consumer.receive();
} else {
message = consumer.receive(timeout);
}
if (message == null) {
return null;
}
message = connector.preProcessMessage(message, session);
return new MuleMessage(connector.getMessageAdapter(message));
} catch (Exception e) {
connector.handleException(e);
return null;
}
} finally {
connector.closeQuietly(consumer);
connector.closeQuietly(session);
}
}
