/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.activemq.artemis.core.protocol.openwire; import javax.jms.JMSException; import java.io.ByteArrayOutputStream; import java.io.DataInputStream; import java.io.DataOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.Arrays; import java.util.Map; import java.util.Map.Entry; import java.util.Set; import java.util.zip.Deflater; import java.util.zip.DeflaterOutputStream; import java.util.zip.Inflater; import java.util.zip.InflaterInputStream; import java.util.zip.InflaterOutputStream; import org.apache.activemq.artemis.api.core.ActiveMQBuffer; import org.apache.activemq.artemis.api.core.ActiveMQPropertyConversionException; import org.apache.activemq.artemis.api.core.ICoreMessage; import org.apache.activemq.artemis.api.core.SimpleString; import org.apache.activemq.artemis.core.message.impl.CoreMessage; import org.apache.activemq.artemis.core.protocol.openwire.amq.AMQConsumer; import org.apache.activemq.artemis.core.protocol.openwire.util.OpenWireUtil; import org.apache.activemq.artemis.core.server.MessageReference; import org.apache.activemq.artemis.reader.MessageUtil; import org.apache.activemq.artemis.spi.core.protocol.MessageConverter; import org.apache.activemq.artemis.utils.DataConstants; import org.apache.activemq.artemis.utils.UUIDGenerator; import org.apache.activemq.artemis.utils.collections.TypedProperties; import org.apache.activemq.command.ActiveMQBytesMessage; import org.apache.activemq.command.ActiveMQDestination; import org.apache.activemq.command.ActiveMQMapMessage; import org.apache.activemq.command.ActiveMQMessage; import org.apache.activemq.command.ActiveMQObjectMessage; import org.apache.activemq.command.ActiveMQStreamMessage; import org.apache.activemq.command.ActiveMQTextMessage; import org.apache.activemq.command.BrokerId; import org.apache.activemq.command.CommandTypes; import org.apache.activemq.command.DataStructure; import org.apache.activemq.command.Message; import org.apache.activemq.command.MessageDispatch; import org.apache.activemq.command.MessageId; import org.apache.activemq.command.ProducerId; import org.apache.activemq.command.TransactionId; import org.apache.activemq.util.ByteArrayInputStream; import org.apache.activemq.util.ByteSequence; import org.apache.activemq.util.ByteSequenceData; import org.apache.activemq.util.MarshallingSupport; import org.apache.activemq.wireformat.WireFormat; import org.fusesource.hawtbuf.UTF8Buffer; public class OpenWireMessageConverter implements MessageConverter<OpenwireMessage> { public static final String AMQ_PREFIX = "__HDR_"; public static final String AMQ_MSG_DLQ_DELIVERY_FAILURE_CAUSE_PROPERTY = AMQ_PREFIX + "dlqDeliveryFailureCause"; private static final String AMQ_MSG_ARRIVAL = AMQ_PREFIX + "ARRIVAL"; private static final String AMQ_MSG_BROKER_IN_TIME = AMQ_PREFIX + "BROKER_IN_TIME"; private static final String AMQ_MSG_BROKER_PATH = AMQ_PREFIX + "BROKER_PATH"; private static final String AMQ_MSG_CLUSTER = AMQ_PREFIX + "CLUSTER"; private static final String AMQ_MSG_COMMAND_ID = AMQ_PREFIX + "COMMAND_ID"; private static final String AMQ_MSG_DATASTRUCTURE = AMQ_PREFIX + "DATASTRUCTURE"; private static final String AMQ_MSG_GROUP_ID = AMQ_PREFIX + "GROUP_ID"; private static final String AMQ_MSG_GROUP_SEQUENCE = AMQ_PREFIX + "GROUP_SEQUENCE"; private static final String AMQ_MSG_MESSAGE_ID = AMQ_PREFIX + "MESSAGE_ID"; private static final String AMQ_MSG_ORIG_DESTINATION = AMQ_PREFIX + "ORIG_DESTINATION"; private static final String AMQ_MSG_ORIG_TXID = AMQ_PREFIX + "ORIG_TXID"; private static final String AMQ_MSG_PRODUCER_ID = AMQ_PREFIX + "PRODUCER_ID"; private static final String AMQ_MSG_MARSHALL_PROP = AMQ_PREFIX + "MARSHALL_PROP"; private static final String AMQ_MSG_REPLY_TO = AMQ_PREFIX + "REPLY_TO"; private static final String AMQ_MSG_USER_ID = AMQ_PREFIX + "USER_ID"; private static final String AMQ_MSG_DROPPABLE = AMQ_PREFIX + "DROPPABLE"; private static final String AMQ_MSG_COMPRESSED = AMQ_PREFIX + "COMPRESSED"; private final WireFormat marshaller; public OpenWireMessageConverter(WireFormat marshaller) { this.marshaller = marshaller; } @Override public OpenwireMessage fromCore(ICoreMessage coreMessage) throws Exception { return null; } @Override public ICoreMessage toCore(OpenwireMessage pureMessage) throws Exception { return null; } // @Override public Object outbound(org.apache.activemq.artemis.api.core.Message message, int deliveryCount) { // TODO: implement this return null; } // @Override public org.apache.activemq.artemis.api.core.Message inbound(Object message) throws Exception { Message messageSend = (Message) message; CoreMessage coreMessage = new CoreMessage(-1, messageSend.getSize()); String type = messageSend.getType(); if (type != null) { coreMessage.putStringProperty(new SimpleString("JMSType"), new SimpleString(type)); } coreMessage.setDurable(messageSend.isPersistent()); coreMessage.setExpiration(messageSend.getExpiration()); coreMessage.setPriority(messageSend.getPriority()); coreMessage.setTimestamp(messageSend.getTimestamp()); byte coreType = toCoreType(messageSend.getDataStructureType()); coreMessage.setType(coreType); ActiveMQBuffer body = coreMessage.getBodyBuffer(); ByteSequence contents = messageSend.getContent(); if (contents == null && coreType == org.apache.activemq.artemis.api.core.Message.TEXT_TYPE) { body.writeNullableString(null); } else if (contents != null) { boolean messageCompressed = messageSend.isCompressed(); if (messageCompressed) { coreMessage.putBooleanProperty(AMQ_MSG_COMPRESSED, messageCompressed); } switch (coreType) { case org.apache.activemq.artemis.api.core.Message.TEXT_TYPE: InputStream tis = new ByteArrayInputStream(contents); if (messageCompressed) { tis = new InflaterInputStream(tis); } DataInputStream tdataIn = new DataInputStream(tis); String text = MarshallingSupport.readUTF8(tdataIn); tdataIn.close(); body.writeNullableSimpleString(new SimpleString(text)); break; case org.apache.activemq.artemis.api.core.Message.MAP_TYPE: InputStream mis = new ByteArrayInputStream(contents); if (messageCompressed) { mis = new InflaterInputStream(mis); } DataInputStream mdataIn = new DataInputStream(mis); Map<String, Object> map = MarshallingSupport.unmarshalPrimitiveMap(mdataIn); mdataIn.close(); TypedProperties props = new TypedProperties(); loadMapIntoProperties(props, map); props.encode(body.byteBuf()); break; case org.apache.activemq.artemis.api.core.Message.OBJECT_TYPE: if (messageCompressed) { try (InputStream ois = new InflaterInputStream(new ByteArrayInputStream(contents)); org.apache.activemq.util.ByteArrayOutputStream decompressed = new org.apache.activemq.util.ByteArrayOutputStream()) { byte[] buf = new byte[1024]; int n = ois.read(buf); while (n != -1) { decompressed.write(buf, 0, n); n = ois.read(); } //read done contents = decompressed.toByteSequence(); } } body.writeInt(contents.length); body.writeBytes(contents.data, contents.offset, contents.length); break; case org.apache.activemq.artemis.api.core.Message.STREAM_TYPE: InputStream sis = new ByteArrayInputStream(contents); if (messageCompressed) { sis = new InflaterInputStream(sis); } DataInputStream sdis = new DataInputStream(sis); int stype = sdis.read(); while (stype != -1) { switch (stype) { case MarshallingSupport.BOOLEAN_TYPE: body.writeByte(DataConstants.BOOLEAN); body.writeBoolean(sdis.readBoolean()); break; case MarshallingSupport.BYTE_TYPE: body.writeByte(DataConstants.BYTE); body.writeByte(sdis.readByte()); break; case MarshallingSupport.BYTE_ARRAY_TYPE: body.writeByte(DataConstants.BYTES); int slen = sdis.readInt(); byte[] sbytes = new byte[slen]; sdis.read(sbytes); body.writeInt(slen); body.writeBytes(sbytes); break; case MarshallingSupport.CHAR_TYPE: body.writeByte(DataConstants.CHAR); char schar = sdis.readChar(); body.writeShort((short) schar); break; case MarshallingSupport.DOUBLE_TYPE: body.writeByte(DataConstants.DOUBLE); double sdouble = sdis.readDouble(); body.writeLong(Double.doubleToLongBits(sdouble)); break; case MarshallingSupport.FLOAT_TYPE: body.writeByte(DataConstants.FLOAT); float sfloat = sdis.readFloat(); body.writeInt(Float.floatToIntBits(sfloat)); break; case MarshallingSupport.INTEGER_TYPE: body.writeByte(DataConstants.INT); body.writeInt(sdis.readInt()); break; case MarshallingSupport.LONG_TYPE: body.writeByte(DataConstants.LONG); body.writeLong(sdis.readLong()); break; case MarshallingSupport.SHORT_TYPE: body.writeByte(DataConstants.SHORT); body.writeShort(sdis.readShort()); break; case MarshallingSupport.STRING_TYPE: body.writeByte(DataConstants.STRING); String sstring = sdis.readUTF(); body.writeNullableString(sstring); break; case MarshallingSupport.BIG_STRING_TYPE: body.writeByte(DataConstants.STRING); String sbigString = MarshallingSupport.readUTF8(sdis); body.writeNullableString(sbigString); break; case MarshallingSupport.NULL: body.writeByte(DataConstants.STRING); body.writeNullableString(null); break; default: //something we don't know, ignore break; } stype = sdis.read(); } sdis.close(); break; case org.apache.activemq.artemis.api.core.Message.BYTES_TYPE: if (messageCompressed) { Inflater inflater = new Inflater(); try (org.apache.activemq.util.ByteArrayOutputStream decompressed = new org.apache.activemq.util.ByteArrayOutputStream()) { int length = ByteSequenceData.readIntBig(contents); contents.offset = 0; byte[] data = Arrays.copyOfRange(contents.getData(), 4, contents.getLength()); inflater.setInput(data); byte[] buffer = new byte[length]; int count = inflater.inflate(buffer); decompressed.write(buffer, 0, count); contents = decompressed.toByteSequence(); } catch (Exception e) { throw new IOException(e); } finally { inflater.end(); } } body.writeBytes(contents.data, contents.offset, contents.length); break; default: if (messageCompressed) { try (org.apache.activemq.util.ByteArrayOutputStream decompressed = new org.apache.activemq.util.ByteArrayOutputStream(); OutputStream os = new InflaterOutputStream(decompressed)) { os.write(contents.data, contents.offset, contents.getLength()); contents = decompressed.toByteSequence(); } catch (Exception e) { throw new IOException(e); } } body.writeBytes(contents.data, contents.offset, contents.length); break; } } //amq specific coreMessage.putLongProperty(AMQ_MSG_ARRIVAL, messageSend.getArrival()); coreMessage.putLongProperty(AMQ_MSG_BROKER_IN_TIME, messageSend.getBrokerInTime()); BrokerId[] brokers = messageSend.getBrokerPath(); if (brokers != null) { StringBuilder builder = new StringBuilder(); for (int i = 0; i < brokers.length; i++) { builder.append(brokers[i].getValue()); if (i != (brokers.length - 1)) { builder.append(","); //is this separator safe? } } coreMessage.putStringProperty(AMQ_MSG_BROKER_PATH, builder.toString()); } BrokerId[] cluster = messageSend.getCluster(); if (cluster != null) { StringBuilder builder = new StringBuilder(); for (int i = 0; i < cluster.length; i++) { builder.append(cluster[i].getValue()); if (i != (cluster.length - 1)) { builder.append(","); //is this separator safe? } } coreMessage.putStringProperty(AMQ_MSG_CLUSTER, builder.toString()); } coreMessage.putIntProperty(AMQ_MSG_COMMAND_ID, messageSend.getCommandId()); String corrId = messageSend.getCorrelationId(); if (corrId != null) { coreMessage.putStringProperty("JMSCorrelationID", corrId); } DataStructure ds = messageSend.getDataStructure(); if (ds != null) { ByteSequence dsBytes = marshaller.marshal(ds); dsBytes.compact(); coreMessage.putBytesProperty(AMQ_MSG_DATASTRUCTURE, dsBytes.data); } String groupId = messageSend.getGroupID(); if (groupId != null) { coreMessage.putStringProperty(AMQ_MSG_GROUP_ID, groupId); } coreMessage.putIntProperty(AMQ_MSG_GROUP_SEQUENCE, messageSend.getGroupSequence()); MessageId messageId = messageSend.getMessageId(); ByteSequence midBytes = marshaller.marshal(messageId); midBytes.compact(); coreMessage.putBytesProperty(AMQ_MSG_MESSAGE_ID, midBytes.data); ProducerId producerId = messageSend.getProducerId(); if (producerId != null) { ByteSequence producerIdBytes = marshaller.marshal(producerId); producerIdBytes.compact(); coreMessage.putBytesProperty(AMQ_MSG_PRODUCER_ID, producerIdBytes.data); } ByteSequence propBytes = messageSend.getMarshalledProperties(); if (propBytes != null) { propBytes.compact(); coreMessage.putBytesProperty(AMQ_MSG_MARSHALL_PROP, propBytes.data); //unmarshall properties to core so selector will work Map<String, Object> props = messageSend.getProperties(); //Map<String, Object> props = MarshallingSupport.unmarshalPrimitiveMap(new DataInputStream(new ByteArrayInputStream(propBytes))); for (Entry<String, Object> ent : props.entrySet()) { Object value = ent.getValue(); try { coreMessage.putObjectProperty(ent.getKey(), value); } catch (ActiveMQPropertyConversionException e) { coreMessage.putStringProperty(ent.getKey(), value.toString()); } } } ActiveMQDestination replyTo = messageSend.getReplyTo(); if (replyTo != null) { ByteSequence replyToBytes = marshaller.marshal(replyTo); replyToBytes.compact(); coreMessage.putBytesProperty(AMQ_MSG_REPLY_TO, replyToBytes.data); } String userId = messageSend.getUserID(); if (userId != null) { coreMessage.putStringProperty(AMQ_MSG_USER_ID, userId); } coreMessage.putBooleanProperty(AMQ_MSG_DROPPABLE, messageSend.isDroppable()); ActiveMQDestination origDest = messageSend.getOriginalDestination(); if (origDest != null) { ByteSequence origDestBytes = marshaller.marshal(origDest); origDestBytes.compact(); coreMessage.putBytesProperty(AMQ_MSG_ORIG_DESTINATION, origDestBytes.data); } return coreMessage; } private static void loadMapIntoProperties(TypedProperties props, Map<String, Object> map) { for (Entry<String, Object> entry : map.entrySet()) { SimpleString key = new SimpleString(entry.getKey()); Object value = entry.getValue(); if (value instanceof UTF8Buffer) { value = ((UTF8Buffer) value).toString(); } TypedProperties.setObjectProperty(key, value, props); } } public static byte toCoreType(byte amqType) { switch (amqType) { case CommandTypes.ACTIVEMQ_BLOB_MESSAGE: throw new IllegalStateException("We don't support BLOB type yet!"); case CommandTypes.ACTIVEMQ_BYTES_MESSAGE: return org.apache.activemq.artemis.api.core.Message.BYTES_TYPE; case CommandTypes.ACTIVEMQ_MAP_MESSAGE: return org.apache.activemq.artemis.api.core.Message.MAP_TYPE; case CommandTypes.ACTIVEMQ_OBJECT_MESSAGE: return org.apache.activemq.artemis.api.core.Message.OBJECT_TYPE; case CommandTypes.ACTIVEMQ_STREAM_MESSAGE: return org.apache.activemq.artemis.api.core.Message.STREAM_TYPE; case CommandTypes.ACTIVEMQ_TEXT_MESSAGE: return org.apache.activemq.artemis.api.core.Message.TEXT_TYPE; case CommandTypes.ACTIVEMQ_MESSAGE: return org.apache.activemq.artemis.api.core.Message.DEFAULT_TYPE; default: throw new IllegalStateException("Unknown ActiveMQ Artemis message type: " + amqType); } } public static MessageDispatch createMessageDispatch(MessageReference reference, ICoreMessage 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, ICoreMessage 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.getReadOnlyBodyBuffer(); 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, true); } try (DataOutputStream dataOut = new DataOutputStream(out)) { MarshallingSupport.writeUTF8(dataOut, text.toString()); dataOut.flush(); 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.byteBuf()); Map<String, Object> map = mapData.getMap(); ByteArrayOutputStream out = new ByteArrayOutputStream(mapData.getEncodeSize()); OutputStream os = out; if (isCompressed) { os = new DeflaterOutputStream(os, true); } try (DataOutputStream dataOut = new DataOutputStream(os)) { MarshallingSupport.marshalPrimitiveMap(map, dataOut); dataOut.flush(); } bytes = out.toByteArray(); } } else if (coreType == org.apache.activemq.artemis.api.core.Message.OBJECT_TYPE) { if (buffer.readableBytes() > 0) { int len = buffer.readInt(); bytes = new byte[len]; buffer.readBytes(bytes); if (isCompressed) { ByteArrayOutputStream bytesOut = new ByteArrayOutputStream(); try (DeflaterOutputStream out = new DeflaterOutputStream(bytesOut, true)) { out.write(bytes); out.flush(); } 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, true); } 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; } dataOut.flush(); } } 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); } compressed.flush(); 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, true)) { out.write(bytes); out.flush(); 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 { if (keyStr.equals(MessageUtil.JMSXDELIVERYCOUNT) && prop instanceof Long) { Long l = (Long) prop; amqMsg.setObjectProperty(s.toString(), l.intValue()); } 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; } }