boolean externalMessageId = msg.isExternalMessageId() || msg.getProducerKey() == null || msg.getProducerKey().length() == 0;
msg.setExternalMessageId(externalMessageId);
ActiveMQDestination destination = msg.getJMSActiveMQDestination();
ByteArray payload = msg.getBodyAsBytes();
BitArray ba = msg.getBitArray();
ba.reset();
boolean cachingEnabled = wireFormat.isCachingEnabled();
boolean cachingDestination = cachingEnabled && destination != null && !destination.isOrdered() && !destination.isExclusive();
boolean longSequence = msg.getSequenceNumber() > Integer.MAX_VALUE;
ba.set(AbstractPacket.RECEIPT_REQUIRED_INDEX, packet.isReceiptRequired());
Object[] visited = msg.getBrokersVisited();
boolean writeVisited = visited != null && visited.length > 0;
ba.set(AbstractPacket.BROKERS_VISITED_INDEX,writeVisited);
ba.set(ActiveMQMessage.CORRELATION_INDEX, msg.getJMSCorrelationID() != null);
ba.set(ActiveMQMessage.TYPE_INDEX, msg.getJMSType() != null);
ba.set(ActiveMQMessage.BROKER_NAME_INDEX, msg.getEntryBrokerName() != null);
ba.set(ActiveMQMessage.CLUSTER_NAME_INDEX, msg.getEntryClusterName() != null);
ba.set(ActiveMQMessage.TRANSACTION_ID_INDEX, msg.getTransactionId() != null);
ba.set(ActiveMQMessage.REPLY_TO_INDEX, msg.getJMSReplyTo() != null);
ba.set(ActiveMQMessage.TIMESTAMP_INDEX, msg.getJMSTimestamp() > 0);
ba.set(ActiveMQMessage.EXPIRATION_INDEX, msg.getJMSExpiration() > 0);
ba.set(ActiveMQMessage.REDELIVERED_INDEX, msg.getJMSRedelivered());
ba.set(ActiveMQMessage.XA_TRANS_INDEX, msg.isXaTransacted());
ba.set(ActiveMQMessage.CID_INDEX, msg.getConsumerNos() != null);
ba.set(ActiveMQMessage.PROPERTIES_INDEX, msg.getProperties() != null && msg.getProperties().size() > 0);
ba.set(ActiveMQMessage.DISPATCHED_FROM_DLQ_INDEX,msg.isDispatchedFromDLQ());
ba.set(ActiveMQMessage.PAYLOAD_INDEX, payload != null);
ba.set(ActiveMQMessage.EXTERNAL_MESSAGE_ID_INDEX,msg.isExternalMessageId());
ba.set(ActiveMQMessage.MESSAGE_PART_INDEX,msg.isMessagePart());
ba.set(ActiveMQMessage.CACHED_VALUES_INDEX, cachingEnabled);
ba.set(ActiveMQMessage.CACHED_DESTINATION_INDEX,cachingDestination);
ba.set(ActiveMQMessage.LONG_SEQUENCE_INDEX, longSequence);
ba.writeToStream(dataOut);
if (msg.isReceiptRequired()){
dataOut.writeShort(msg.getId());
}
if (msg.isExternalMessageId()){
writeUTF(msg.getJMSMessageID(),dataOut);
}
if (msg.isMessagePart()){
writeUTF(msg.getParentMessageID(), dataOut);
dataOut.writeShort(msg.getNumberOfParts());
dataOut.writeShort(msg.getPartNumber());
}
if (writeVisited){
dataOut.writeShort(visited.length);
for(int i =0; i < visited.length; i++){
final String brokerName = visited[i].toString();
if (brokerName != null) {
dataOut.writeUTF(brokerName);
} else {
log.warn("The brokerVisited name is null");
}
}
}
if (cachingEnabled){
dataOut.writeShort(wireFormat.getWriteCachedKey(msg.getJMSClientID()));
dataOut.writeShort(wireFormat.getWriteCachedKey(msg.getProducerKey()));
if (cachingDestination){
dataOut.writeShort(wireFormat.getWriteCachedKey(destination));
}else {
ActiveMQDestination.writeToStream(destination, dataOut);
}
if (msg.getJMSReplyTo() != null){
dataOut.writeShort(wireFormat.getWriteCachedKey(msg.getJMSReplyTo()));
}
if (ba.get(ActiveMQMessage.TRANSACTION_ID_INDEX)) {
dataOut.writeShort(wireFormat.getWriteCachedKey(msg.getTransactionId()));
}
}else {
super.writeUTF(msg.getJMSClientID(), dataOut);
writeUTF(msg.getProducerKey(),dataOut);
ActiveMQDestination.writeToStream(destination, dataOut);
if (ba.get(ActiveMQMessage.REPLY_TO_INDEX)) {
ActiveMQDestination.writeToStream((ActiveMQDestination) msg.getJMSReplyTo(), dataOut);
}
if (ba.get(ActiveMQMessage.TRANSACTION_ID_INDEX)) {
if( ba.get(ActiveMQMessage.XA_TRANS_INDEX) ) {
ActiveMQXid xid = (ActiveMQXid) msg.getTransactionId();
xid.write(dataOut);
} else {
super.writeUTF((String) msg.getTransactionId(), dataOut);
}
}
}
dataOut.writeByte(msg.getJMSDeliveryMode());
dataOut.writeByte(msg.getJMSPriority());
if (ba.get(ActiveMQMessage.CORRELATION_INDEX)) {
super.writeUTF(msg.getJMSCorrelationID(), dataOut);
}
if (ba.get(ActiveMQMessage.TYPE_INDEX)) {
super.writeUTF(msg.getJMSType(), dataOut);
}
if (ba.get(ActiveMQMessage.BROKER_NAME_INDEX)) {
super.writeUTF(msg.getEntryBrokerName(), dataOut);
}
if (ba.get(ActiveMQMessage.CLUSTER_NAME_INDEX)) {
super.writeUTF(msg.getEntryClusterName(), dataOut);
}
if (ba.get(ActiveMQMessage.TIMESTAMP_INDEX)) {
dataOut.writeLong(msg.getJMSTimestamp());
}
if (ba.get(ActiveMQMessage.EXPIRATION_INDEX)) {
dataOut.writeLong(msg.getJMSExpiration());
}
if (longSequence){
dataOut.writeLong(msg.getSequenceNumber());
}else{
dataOut.writeInt((int) msg.getSequenceNumber());
}
dataOut.writeByte(msg.getDeliveryCount());
if (ba.get(ActiveMQMessage.CID_INDEX)) {
//write out consumer numbers ...
int[] cids = msg.getConsumerNos();
dataOut.writeShort(cids.length);
for (int i = 0; i < cids.length; i++) {
dataOut.writeShort(cids[i]);
}
}
if (ba.get(ActiveMQMessage.PROPERTIES_INDEX)) {
msg.writeMapProperties(msg.getProperties(), dataOut);
}
if (ba.get(ActiveMQMessage.PAYLOAD_INDEX)) {
dataOut.writeInt(payload.getLength());
dataOut.write(payload.getBuf(),payload.getOffset(),payload.getLength());
}