private static void setTopic(SubscribeEventType event, ResourceType resource) {
String topic = null;
try {
LOG.debug("######## BEGIN TOPIC EXTRACTION ########");
JAXBElement<TopicExpressionType> jbElement =
(JAXBElement<TopicExpressionType>)
event.getMessage().getSubscribe().getFilter().getAny().get(0);
TopicExpressionType topicExpression = jbElement.getValue();
topic = (String) topicExpression.getContent().get(0);
LOG.debug("Topic extracted: " + topic);
} catch (Throwable t) {
LOG.error("Error extracting the topic: " + t.getMessage(), t);
}
if (NullChecker.isNotNullish(topic)) {
if (LOG.isDebugEnabled()) {
LOG.debug(
"Adding topic ("
+ topic
+ ") as attribute ("
+ ATTRIBUTE_ID_TOPIC
+ ") and type: "
+ Constants.DataTypeString);
}
AttributeHelper attrHelper = new AttributeHelper();
resource
.getAttribute()
.add(attrHelper.attributeFactory(ATTRIBUTE_ID_TOPIC, Constants.DataTypeString, topic));
}
}
public ActiveMQTopic toActiveMQTopic(TopicExpressionType topic) throws InvalidTopicException {
String dialect = topic.getDialect();
if (dialect == null || SIMPLE_DIALECT.equals(dialect)) {
for (Iterator iter = topic.getContent().iterator(); iter.hasNext(); ) {
ActiveMQTopic answer = createActiveMQTopicFromContent(iter.next());
if (answer != null) {
return answer;
}
}
throw new InvalidTopicException("No topic name available topic: " + topic);
} else {
throw new InvalidTopicException("Topic dialect: " + dialect + " not supported");
}
}
protected String convertTopic(TopicExpressionType topic) {
String answer = null;
for (Iterator iter = topic.getContent().iterator(); iter.hasNext(); ) {
Object contentItem = iter.next();
if (contentItem instanceof String) answer = ((String) contentItem).trim();
if (contentItem instanceof QName) answer = ((QName) contentItem).toString();
if (answer != null) {
return answer;
}
}
return answer;
}
public TopicExpressionType toTopicExpression(String name) {
TopicExpressionType answer = new TopicExpressionType();
answer.getContent().add(QName.valueOf(name));
answer.setDialect(SIMPLE_DIALECT);
return answer;
}
