public MessageRenderer() 
{

}

 public String doRender(Object o) 
{
    if(o instanceof Message) {
      StringBuffer sbuf = new StringBuffer();
      Message m = (Message) o;
      try {
	sbuf.append("DeliveryMode=");
	switch(m.getJMSDeliveryMode()) {
	case DeliveryMode.NON_PERSISTENT :
	  sbuf.append("NON_PERSISTENT");
	  break;
	case DeliveryMode.PERSISTENT :
	  sbuf.append("PERSISTENT");
	  break;
	default: sbuf.append("UNKNOWN");
	}
	sbuf.append(", CorrelationID=");
	sbuf.append(m.getJMSCorrelationID());
	sbuf.append(", Destination=");
	sbuf.append(m.getJMSDestination());
	sbuf.append(", Expiration=");
	sbuf.append(m.getJMSExpiration());
	sbuf.append(", MessageID=");
	sbuf.append(m.getJMSMessageID());
	sbuf.append(", Priority=");
	sbuf.append(m.getJMSPriority());
	sbuf.append(", Redelivered=");
	sbuf.append(m.getJMSRedelivered());
	sbuf.append(", ReplyTo=");
	sbuf.append(m.getJMSReplyTo());
	sbuf.append(", Timestamp=");
	sbuf.append(m.getJMSTimestamp());
	sbuf.append(", Type=");
	sbuf.append(m.getJMSType());
	//Enumeration enum = m.getPropertyNames();
	//while(enum.hasMoreElements()) {
	//  String key = (String) enum.nextElement();
	//  sbuf.append("; "+key+"=");
	//  sbuf.append(m.getStringProperty(key));
	//}
      } catch(JMSException e) {
	LogLog.error("Could not parse Message.", e);
      }
      return sbuf.toString();
    } else {
      return o.toString();
    }
}

Render a javax.jms.Message .