public static MessageDispatch createMessageDispatch(
MessageReference reference, ServerMessage message, AMQConsumer consumer)
throws IOException, JMSException {
ActiveMQMessage amqMessage =
toAMQMessage(
reference, message, consumer.getMarshaller(), consumer.getOpenwireDestination());
// we can use core message id for sequenceId
amqMessage.getMessageId().setBrokerSequenceId(message.getMessageID());
MessageDispatch md = new MessageDispatch();
md.setConsumerId(consumer.getId());
md.setRedeliveryCounter(reference.getDeliveryCount() - 1);
md.setDeliverySequenceId(amqMessage.getMessageId().getBrokerSequenceId());
md.setMessage(amqMessage);
ActiveMQDestination destination = amqMessage.getDestination();
md.setDestination(destination);
return md;
}
private static ActiveMQMessage toAMQMessage(
MessageReference reference,
ServerMessage coreMessage,
WireFormat marshaller,
ActiveMQDestination actualDestination)
throws IOException {
ActiveMQMessage amqMsg = null;
byte coreType = coreMessage.getType();
switch (coreType) {
case org.apache.activemq.artemis.api.core.Message.BYTES_TYPE:
amqMsg = new ActiveMQBytesMessage();
break;
case org.apache.activemq.artemis.api.core.Message.MAP_TYPE:
amqMsg = new ActiveMQMapMessage();
break;
case org.apache.activemq.artemis.api.core.Message.OBJECT_TYPE:
amqMsg = new ActiveMQObjectMessage();
break;
case org.apache.activemq.artemis.api.core.Message.STREAM_TYPE:
amqMsg = new ActiveMQStreamMessage();
break;
case org.apache.activemq.artemis.api.core.Message.TEXT_TYPE:
amqMsg = new ActiveMQTextMessage();
break;
case org.apache.activemq.artemis.api.core.Message.DEFAULT_TYPE:
amqMsg = new ActiveMQMessage();
break;
default:
throw new IllegalStateException("Unknown message type: " + coreMessage.getType());
}
String type = coreMessage.getStringProperty(new SimpleString("JMSType"));
if (type != null) {
amqMsg.setJMSType(type);
}
amqMsg.setPersistent(coreMessage.isDurable());
amqMsg.setExpiration(coreMessage.getExpiration());
amqMsg.setPriority(coreMessage.getPriority());
amqMsg.setTimestamp(coreMessage.getTimestamp());
Long brokerInTime = (Long) coreMessage.getObjectProperty(AMQ_MSG_BROKER_IN_TIME);
if (brokerInTime == null) {
brokerInTime = 0L;
}
amqMsg.setBrokerInTime(brokerInTime);
ActiveMQBuffer buffer = coreMessage.getBodyBufferDuplicate();
Boolean compressProp = (Boolean) coreMessage.getObjectProperty(AMQ_MSG_COMPRESSED);
boolean isCompressed = compressProp == null ? false : compressProp.booleanValue();
amqMsg.setCompressed(isCompressed);
if (buffer != null) {
buffer.resetReaderIndex();
byte[] bytes = null;
synchronized (buffer) {
if (coreType == org.apache.activemq.artemis.api.core.Message.TEXT_TYPE) {
SimpleString text = buffer.readNullableSimpleString();
if (text != null) {
ByteArrayOutputStream bytesOut = new ByteArrayOutputStream(text.length() + 4);
OutputStream out = bytesOut;
if (isCompressed) {
out = new DeflaterOutputStream(out);
}
try (DataOutputStream dataOut = new DataOutputStream(out)) {
MarshallingSupport.writeUTF8(dataOut, text.toString());
bytes = bytesOut.toByteArray();
}
}
} else if (coreType == org.apache.activemq.artemis.api.core.Message.MAP_TYPE) {
TypedProperties mapData = new TypedProperties();
// it could be a null map
if (buffer.readableBytes() > 0) {
mapData.decode(buffer);
Map<String, Object> map = mapData.getMap();
ByteArrayOutputStream out = new ByteArrayOutputStream(mapData.getEncodeSize());
OutputStream os = out;
if (isCompressed) {
os = new DeflaterOutputStream(os);
}
try (DataOutputStream dataOut = new DataOutputStream(os)) {
MarshallingSupport.marshalPrimitiveMap(map, dataOut);
}
bytes = out.toByteArray();
}
} else if (coreType == org.apache.activemq.artemis.api.core.Message.OBJECT_TYPE) {
int len = buffer.readInt();
bytes = new byte[len];
buffer.readBytes(bytes);
if (isCompressed) {
ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
try (DeflaterOutputStream out = new DeflaterOutputStream(bytesOut)) {
out.write(bytes);
}
bytes = bytesOut.toByteArray();
}
} else if (coreType == org.apache.activemq.artemis.api.core.Message.STREAM_TYPE) {
org.apache.activemq.util.ByteArrayOutputStream bytesOut =
new org.apache.activemq.util.ByteArrayOutputStream();
OutputStream out = bytesOut;
if (isCompressed) {
out = new DeflaterOutputStream(bytesOut);
}
try (DataOutputStream dataOut = new DataOutputStream(out)) {
boolean stop = false;
while (!stop && buffer.readable()) {
byte primitiveType = buffer.readByte();
switch (primitiveType) {
case DataConstants.BOOLEAN:
MarshallingSupport.marshalBoolean(dataOut, buffer.readBoolean());
break;
case DataConstants.BYTE:
MarshallingSupport.marshalByte(dataOut, buffer.readByte());
break;
case DataConstants.BYTES:
int len = buffer.readInt();
byte[] bytesData = new byte[len];
buffer.readBytes(bytesData);
MarshallingSupport.marshalByteArray(dataOut, bytesData);
break;
case DataConstants.CHAR:
char ch = (char) buffer.readShort();
MarshallingSupport.marshalChar(dataOut, ch);
break;
case DataConstants.DOUBLE:
double doubleVal = Double.longBitsToDouble(buffer.readLong());
MarshallingSupport.marshalDouble(dataOut, doubleVal);
break;
case DataConstants.FLOAT:
Float floatVal = Float.intBitsToFloat(buffer.readInt());
MarshallingSupport.marshalFloat(dataOut, floatVal);
break;
case DataConstants.INT:
MarshallingSupport.marshalInt(dataOut, buffer.readInt());
break;
case DataConstants.LONG:
MarshallingSupport.marshalLong(dataOut, buffer.readLong());
break;
case DataConstants.SHORT:
MarshallingSupport.marshalShort(dataOut, buffer.readShort());
break;
case DataConstants.STRING:
String string = buffer.readNullableString();
if (string == null) {
MarshallingSupport.marshalNull(dataOut);
} else {
MarshallingSupport.marshalString(dataOut, string);
}
break;
default:
// now we stop
stop = true;
break;
}
}
}
bytes = bytesOut.toByteArray();
} else if (coreType == org.apache.activemq.artemis.api.core.Message.BYTES_TYPE) {
int n = buffer.readableBytes();
bytes = new byte[n];
buffer.readBytes(bytes);
if (isCompressed) {
int length = bytes.length;
Deflater deflater = new Deflater();
try (org.apache.activemq.util.ByteArrayOutputStream compressed =
new org.apache.activemq.util.ByteArrayOutputStream()) {
compressed.write(new byte[4]);
deflater.setInput(bytes);
deflater.finish();
byte[] bytesBuf = new byte[1024];
while (!deflater.finished()) {
int count = deflater.deflate(bytesBuf);
compressed.write(bytesBuf, 0, count);
}
ByteSequence byteSeq = compressed.toByteSequence();
ByteSequenceData.writeIntBig(byteSeq, length);
bytes = Arrays.copyOfRange(byteSeq.data, 0, byteSeq.length);
} finally {
deflater.end();
}
}
} else {
int n = buffer.readableBytes();
bytes = new byte[n];
buffer.readBytes(bytes);
if (isCompressed) {
try (ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
DeflaterOutputStream out = new DeflaterOutputStream(bytesOut)) {
out.write(bytes);
bytes = bytesOut.toByteArray();
}
}
}
buffer.resetReaderIndex(); // this is important for topics as the buffer
// may be read multiple times
}
if (bytes != null) {
ByteSequence content = new ByteSequence(bytes);
amqMsg.setContent(content);
}
}
// we need check null because messages may come from other clients
// and those amq specific attribute may not be set.
Long arrival = (Long) coreMessage.getObjectProperty(AMQ_MSG_ARRIVAL);
if (arrival == null) {
// messages from other sources (like core client) may not set this prop
arrival = 0L;
}
amqMsg.setArrival(arrival);
String brokerPath = (String) coreMessage.getObjectProperty(AMQ_MSG_BROKER_PATH);
if (brokerPath != null && brokerPath.isEmpty()) {
String[] brokers = brokerPath.split(",");
BrokerId[] bids = new BrokerId[brokers.length];
for (int i = 0; i < bids.length; i++) {
bids[i] = new BrokerId(brokers[i]);
}
amqMsg.setBrokerPath(bids);
}
String clusterPath = (String) coreMessage.getObjectProperty(AMQ_MSG_CLUSTER);
if (clusterPath != null && clusterPath.isEmpty()) {
String[] cluster = clusterPath.split(",");
BrokerId[] bids = new BrokerId[cluster.length];
for (int i = 0; i < bids.length; i++) {
bids[i] = new BrokerId(cluster[i]);
}
amqMsg.setCluster(bids);
}
Integer commandId = (Integer) coreMessage.getObjectProperty(AMQ_MSG_COMMAND_ID);
if (commandId == null) {
commandId = -1;
}
amqMsg.setCommandId(commandId);
SimpleString corrId = (SimpleString) coreMessage.getObjectProperty("JMSCorrelationID");
if (corrId != null) {
amqMsg.setCorrelationId(corrId.toString());
}
byte[] dsBytes = (byte[]) coreMessage.getObjectProperty(AMQ_MSG_DATASTRUCTURE);
if (dsBytes != null) {
ByteSequence seq = new ByteSequence(dsBytes);
DataStructure ds = (DataStructure) marshaller.unmarshal(seq);
amqMsg.setDataStructure(ds);
}
amqMsg.setDestination(OpenWireUtil.toAMQAddress(coreMessage, actualDestination));
Object value = coreMessage.getObjectProperty(AMQ_MSG_GROUP_ID);
if (value != null) {
String groupId = value.toString();
amqMsg.setGroupID(groupId);
}
Integer groupSequence = (Integer) coreMessage.getObjectProperty(AMQ_MSG_GROUP_SEQUENCE);
if (groupSequence == null) {
groupSequence = -1;
}
amqMsg.setGroupSequence(groupSequence);
MessageId mid = null;
byte[] midBytes = (byte[]) coreMessage.getObjectProperty(AMQ_MSG_MESSAGE_ID);
if (midBytes != null) {
ByteSequence midSeq = new ByteSequence(midBytes);
mid = (MessageId) marshaller.unmarshal(midSeq);
} else {
mid = new MessageId(UUIDGenerator.getInstance().generateStringUUID() + ":-1");
}
amqMsg.setMessageId(mid);
byte[] origDestBytes = (byte[]) coreMessage.getObjectProperty(AMQ_MSG_ORIG_DESTINATION);
if (origDestBytes != null) {
ActiveMQDestination origDest =
(ActiveMQDestination) marshaller.unmarshal(new ByteSequence(origDestBytes));
amqMsg.setOriginalDestination(origDest);
}
byte[] origTxIdBytes = (byte[]) coreMessage.getObjectProperty(AMQ_MSG_ORIG_TXID);
if (origTxIdBytes != null) {
TransactionId origTxId =
(TransactionId) marshaller.unmarshal(new ByteSequence(origTxIdBytes));
amqMsg.setOriginalTransactionId(origTxId);
}
byte[] producerIdBytes = (byte[]) coreMessage.getObjectProperty(AMQ_MSG_PRODUCER_ID);
if (producerIdBytes != null) {
ProducerId producerId = (ProducerId) marshaller.unmarshal(new ByteSequence(producerIdBytes));
amqMsg.setProducerId(producerId);
}
byte[] marshalledBytes = (byte[]) coreMessage.getObjectProperty(AMQ_MSG_MARSHALL_PROP);
if (marshalledBytes != null) {
amqMsg.setMarshalledProperties(new ByteSequence(marshalledBytes));
}
amqMsg.setRedeliveryCounter(reference.getDeliveryCount() - 1);
byte[] replyToBytes = (byte[]) coreMessage.getObjectProperty(AMQ_MSG_REPLY_TO);
if (replyToBytes != null) {
ActiveMQDestination replyTo =
(ActiveMQDestination) marshaller.unmarshal(new ByteSequence(replyToBytes));
amqMsg.setReplyTo(replyTo);
}
String userId = (String) coreMessage.getObjectProperty(AMQ_MSG_USER_ID);
if (userId != null) {
amqMsg.setUserID(userId);
}
Boolean isDroppable = (Boolean) coreMessage.getObjectProperty(AMQ_MSG_DROPPABLE);
if (isDroppable != null) {
amqMsg.setDroppable(isDroppable);
}
SimpleString dlqCause =
(SimpleString) coreMessage.getObjectProperty(AMQ_MSG_DLQ_DELIVERY_FAILURE_CAUSE_PROPERTY);
if (dlqCause != null) {
try {
amqMsg.setStringProperty(
ActiveMQMessage.DLQ_DELIVERY_FAILURE_CAUSE_PROPERTY, dlqCause.toString());
} catch (JMSException e) {
throw new IOException("failure to set dlq property " + dlqCause, e);
}
}
Set<SimpleString> props = coreMessage.getPropertyNames();
if (props != null) {
for (SimpleString s : props) {
String keyStr = s.toString();
if (keyStr.startsWith("_AMQ") || keyStr.startsWith("__HDR_")) {
continue;
}
Object prop = coreMessage.getObjectProperty(s);
try {
if (prop instanceof SimpleString) {
amqMsg.setObjectProperty(s.toString(), prop.toString());
} else {
amqMsg.setObjectProperty(s.toString(), prop);
}
} catch (JMSException e) {
throw new IOException("exception setting property " + s + " : " + prop, e);
}
}
}
try {
amqMsg.onSend();
amqMsg.setCompressed(isCompressed);
} catch (JMSException e) {
throw new IOException("Failed to covert to Openwire message", e);
}
return amqMsg;
}
@Override
public int getDeliveryCount() {
return ref.getDeliveryCount();
}