/**
* @param type
* @param clazz
* @param bool
* @throws JMSException
*/
private void bodyAssignableFrom(final JmsMessageType type, final boolean bool, Class... clazz)
throws JMSException {
Assert.assertNotNull("clazz!=null", clazz);
Assert.assertTrue("clazz[] not empty", clazz.length > 0);
Object body = createBodySendAndReceive(type);
Message msg = queueConsumer.receive(500);
Assert.assertNotNull("must have a msg", msg);
Assert.assertEquals(type.toString(), msg.getStringProperty("type"));
for (Class<?> c : clazz) {
Assert.assertEquals(
msg + " " + type + " & " + c + ": " + bool, bool, msg.isBodyAssignableTo(c));
if (bool) {
Object receivedBody = msg.getBody(c);
Assert.assertTrue("correct type " + c, c.isInstance(receivedBody));
if (body.getClass().isAssignableFrom(byte[].class)) {
Arrays.equals((byte[]) body, (byte[]) receivedBody);
} else {
Assert.assertEquals(
"clazz=" + c + ", bodies must match.. " + body.equals(receivedBody),
body,
receivedBody);
}
} else {
try {
Object foo = msg.getBody(c);
Assert.fail("expected a " + MessageFormatException.class);
} catch (MessageFormatException e) {
// expected
}
}
}
}
@Override
public <T> T getBody(Class<T> c) throws JMSException {
if (ActiveMQRAMessage.trace) {
ActiveMQRALogger.LOGGER.trace("getBody(" + c + ")");
}
return message.getBody(c);
}
public String readMessage() throws JMSException {
JMSConsumer jmsConsumer = jmsContext.createConsumer(queue);
Message message = jmsConsumer.receive(5000);
return message.getBody(String.class);
}
/**
* Main method.
*
* @param args the destination name and type used by the example
*/
public static void main(String[] args) {
String destType;
Destination dest = null;
JMSConsumer consumer;
if (args.length != 1) {
System.err.println("Program takes one argument: <dest_type>");
System.exit(1);
}
destType = args[0];
System.out.println("Destination type is " + destType);
if (!(destType.equals("queue") || destType.equals("topic"))) {
System.err.println("Argument must be \"queue\" or \"topic\"");
System.exit(1);
}
try {
if (destType.equals("queue")) {
dest = (Destination) queue;
} else {
dest = (Destination) topic;
}
} catch (JMSRuntimeException e) {
System.err.println("Error setting destination: " + e.toString());
System.exit(1);
}
/*
* In a try-with-resources block, create context.
* Create consumer.
* Receive all text messages from destination until
* a non-text message is received indicating end of
* message stream.
*/
try (JMSContext context = connectionFactory.createContext(); ) {
consumer = context.createConsumer(dest);
int count = 0;
while (true) {
Message m = consumer.receive(1000);
if (m != null) {
if (m instanceof TextMessage) {
// Comment out the following two lines to receive
// a large volume of messages
System.out.println("Reading message: " + m.getBody(String.class));
count += 1;
} else {
break;
}
}
}
System.out.println("Messages received: " + count);
} catch (JMSException e) {
System.err.println("Exception occurred: " + e.toString());
System.exit(1);
}
System.exit(0);
}
