/**
* Map method which will be used to populate the data from disconnected (@link MessageImpl) to
* (@link Message) object.
*
* @param msg - JMS Message instance
* @param msgImpl - Disconnected MessageImpl instance
* @throws JMSException
*/
public void map(Message msg, SimpleMessageImpl msgImpl) throws JMSException {
if (msg == null) {
throw new RuntimeException("RuntimeException: Message object is NULL.");
} else if (msgImpl == null) {
throw new RuntimeException("RuntimeException: MessageImpl object is NULL.");
} else if (!msgImpl.validate()) {
throw new RuntimeException(
"RuntimeException: MessageImpl validation failed -->:" + (msgImpl.toString()));
} else {
switch (getMessageType(msg)) {
case MessageImpl.TEXT_MESSAGE:
populateHeader(msg, msgImpl);
populateBody(msg, msgImpl, MessageImpl.TEXT_MESSAGE);
break;
case MessageImpl.OBJECT_MESSAGE:
populateHeader(msg, msgImpl);
populateBody(msg, msgImpl, MessageImpl.OBJECT_MESSAGE);
break;
case MessageImpl.STREAM_MESSAGE:
populateHeader(msg, msgImpl);
break;
case MessageImpl.BYTES_MESSAGE:
populateHeader(msg, msgImpl);
break;
case MessageImpl.MAP_MESSAGE:
populateHeader(msg, msgImpl);
break;
default:
throw new RuntimeException("INVALID JMS Message Type");
}
}
}
/**
* This method is used to populate only the Body information
*
* @param msg - JMS Message instance
* @param msgImpl - Disconnected MessageImpl instance
* @throws JMSException
*/
private void populateBody(Message msg, SimpleMessageImpl msgImpl, int messageType)
throws JMSException {
if (msgImpl.getPayLoad() != null) {
switch (messageType) {
case MessageImpl.TEXT_MESSAGE:
if (msgImpl.getPayLoad() != null && msgImpl.getPayLoad() instanceof String)
((TextMessage) msg).setText((String) msgImpl.getPayLoad());
break;
case MessageImpl.OBJECT_MESSAGE:
((ObjectMessage) msg).setObject(msgImpl.getPayLoad());
break;
case MessageImpl.MAP_MESSAGE:
case MessageImpl.BYTES_MESSAGE:
case MessageImpl.STREAM_MESSAGE:
break;
default:
break;
}
}
}
/**
* This method is used to populate only the Header information
*
* @param msg - JMS Message instance
* @param msgImpl - Disconnected MessageImpl instance
* @throws JMSException
*/
private void populateHeader(Message msg, SimpleMessageImpl msgImpl) throws JMSException {
Map<String, MessagePropertyImpl> bodyProps = msgImpl.getProperties();
if (bodyProps != null && !bodyProps.isEmpty()) {
for (Iterator iter = bodyProps.entrySet().iterator(); iter.hasNext(); ) {
Entry entry = (Entry) iter.next();
MessagePropertyImpl propertyImpl = (MessagePropertyImpl) entry.getValue();
populateProperty(
propertyImpl.getKey(), propertyImpl.getValue(), propertyImpl.getType(), msg);
propertyImpl = null; // Clean up unnecessary objects.
}
}
bodyProps = null; // Clean up unnecessary objects.
}
/**
* Map method which will be used to populate the data from disconnected (@link MessageImpl) to
* (@link Message) object.
*
* @param session - JMS (@link Session)
* @param msgImpl - Disconnected MessageImpl instance
* @throws JMSException
*/
public Message map(Session session, SimpleMessageImpl msgImpl) throws JMSException {
Message message = createMessage(session, msgImpl.getMessageType());
map(message, msgImpl);
return message;
}
