@Override
public int doStartTag() throws JspException {
String context = "";
try {
System.out.println("jsp tag start...");
ut.begin();
JMSProducer producer = jmsContext.createProducer();
TextMessage msg = jmsContext.createTextMessage("Hello JSP Tag");
producer.send(queue, msg);
context = jmsContext.toString();
ut.commit();
if (context.indexOf(transactionScope) == -1) {
throw new JspException("NOT in transaction scope!");
}
// Get the writer object for output.
JspWriter out = pageContext.getOut();
// Perform substr operation on string.
out.println(text);
} catch (Exception e) {
throw new JspException(e);
}
return SKIP_BODY;
}
@Override
public void onMessage(Message message) {
JMSProducer producer = context.createProducer();
try {
// What we need to do is find classification entries that have not been
// filled out. When we find them, we send a message to *another* queue,
// saying "run this classification" - with an expiry of 45 seconds.
List<Classification> classifications = classificationService.findUnclassifiedEntries();
for (Classification classification : classifications) {
ObjectMessage classificationMessage = context.createObjectMessage(classification);
classificationMessage.setJMSExpiration(45 * 1000);
producer.send(classificationQueue, classificationMessage);
}
} catch (JMSException jmsException) {
jmsException.printStackTrace();
}
}
