* @return the body, can be <tt>null</tt>
*/
public Object extractBodyFromJms(Exchange exchange, Message message) {
try {
if (message instanceof ObjectMessage) {
ObjectMessage objectMessage = (ObjectMessage)message;
return objectMessage.getObject();
} else if (message instanceof TextMessage) {
TextMessage textMessage = (TextMessage)message;
return textMessage.getText();
} else if (message instanceof MapMessage) {
return createMapFromMapMessage((MapMessage)message);