Examples of javax.jms.MapMessage

javax.jms.MapMessage
@version $Rev: 46019 $ $Date: 2004-09-14 03:56:06 -0600 (Tue, 14 Sep 2004) $

        }


        try
        {
            Destination destination = (replyHandle == null) ? _replyAddress : _asyncReplyAddress;
            MapMessage request = _syncSession.createMapMessage();
            request.setJMSReplyTo(destination);
            request.setJMSCorrelationID(replyHandle);
            request.setStringProperty("x-amqp-0-10.app-id", "qmf2");
            request.setStringProperty("method", "request");
            request.setStringProperty("qmf.opcode", "_subscribe_refresh_indication");
            request.setStringProperty("qpid.subject", agentName);


            request.setObject("_subscription_id", subscriptionId);
            if (lifetime > 0)
            {
                request.setObject("_duration", lifetime);
            }


            // Wrap request & response in synchronized block in case any other threads invoke a request
            // it would be somewhat unfortunate if their response got interleaved with ours!!
            synchronized(this)

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    public final void subscriptionResponse(final Handle handle, final Handle consoleHandle, final String subscriptionId, 
                                           final long lifetime, final long publishInterval, final QmfData error)
    {
        try
        {
            MapMessage response = _syncSession.createMapMessage();
            response.setJMSCorrelationID(handle.getCorrelationId());
            response.setStringProperty("x-amqp-0-10.app-id", "qmf2");
            response.setStringProperty("method", "response");
            response.setStringProperty("qmf.opcode", "_subscribe_response");
            response.setStringProperty("qmf.agent", _name);
            response.setStringProperty("qpid.subject", handle.getRoutingKey());
    
            if (error == null)
            {
                response.setObject("_subscription_id", subscriptionId);
                response.setObject("_duration", lifetime);
                response.setObject("_interval", publishInterval);
            }
            else
            {
                Map<String, Object> errorMap = error.mapEncode();
                for (Map.Entry<String, Object> entry : errorMap.entrySet())
                {
                    response.setObject(entry.getKey(), entry.getValue());
                }
            }
            sendResponse(handle, response);
        }
        catch (JMSException jmse)

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        }
        String agentName = agent.getName();


        try
        {
            MapMessage request = _syncSession.createMapMessage();
            request.setStringProperty("x-amqp-0-10.app-id", "qmf2");
            request.setStringProperty("method", "request");
            request.setStringProperty("qmf.opcode", "_subscribe_cancel_indication");
            request.setStringProperty("qpid.subject", agentName);
            request.setObject("_subscription_id", subscriptionId);


            synchronized(this)
            {
                if (!_subscriptionEmulationEnabled || !agentName.equals(_brokerAgentName))
                {

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                String vendorKey = _vendor.replace(".", "_");
                String productKey = _product.replace(".", "_");
                String instanceKey = _instance.replace(".", "_");
                String subject = "agent.ind.heartbeat." + vendorKey + "." + productKey + "." + instanceKey;


                MapMessage response = _syncSession.createMapMessage();
                response.setStringProperty("x-amqp-0-10.app-id", "qmf2");
                response.setStringProperty("method", "indication");
                response.setStringProperty("qmf.opcode", "_agent_heartbeat_indication");
                response.setStringProperty("qmf.agent", _name);
                response.setStringProperty("qpid.subject", subject);
                setValue("_timestamp", System.currentTimeMillis()*1000000l);
                response.setObject("_values", mapEncode());
            
                // Send heartbeat messages with a Time To Live (in msecs) set to two times the _heartbeatInterval
                // to prevent stale heartbeats from getting to the consoles.
                _broadcaster.send(response, Message.DEFAULT_DELIVERY_MODE, Message.DEFAULT_PRIORITY,
                                  _heartbeatInterval*2000);

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            throw new MessageFormatException("Attempting to do AMQPMessage.getMap() on null Message");
        }
        else if (message instanceof MapMessage)
        {
            Map<String, Object> object = new HashMap<String, Object>();
            MapMessage msg = (MapMessage)message;
            for (Enumeration e = msg.getMapNames(); e.hasMoreElements();)
            {
                String key = (String)e.nextElement();
                object.put(key, msg.getObject(key));
            }
            
            if (object.size() == 0)
            { // If there is no MapMessage content return an empty Map.
                return object;
            }


            // If there is MapMessage content include the Message properties in the returned Map.
            for (Enumeration e = msg.getPropertyNames(); e.hasMoreElements();)
            {
                String prop = (String)e.nextElement();
                object.put(prop, QmfData.getString(msg.getObjectProperty(prop)));
            }


            // Should be msg.getStringProperty("JMSXUserID"). See comments above for the reason behind this evil hack.
            org.apache.qpid.client.message.AMQMessageDelegate_0_10 delegate = (org.apache.qpid.client.message.AMQMessageDelegate_0_10)(((org.apache.qpid.client.message.AbstractJMSMessage)msg).getDelegate());
            byte[] rawUserId = delegate.getMessageProperties().getUserId();

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             * out of this by iterating through the getMapNames() Enumeration and copying the Objects into the List.
             * This amount of copying doesn't feel healthy and we can't even work out the capacity for the List
             * a priori, but I'm not sure of a better way at present. I can't say I much like how amqp/list or indeed
             * amqp/map are currently encoded. I'd *much* prefer to see them exposed as JMS ObjectMessage.
             */
            MapMessage msg = (MapMessage)message;
            List resultList = new ArrayList(50); // Initial capacity of 50, can we better estimate this?


            for (Enumeration e = msg.getMapNames(); e.hasMoreElements();)
            {
                String key = (String)e.nextElement();
                resultList.add(msg.getObject(key));
            }
            return resultList;
        }
        else
        {

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            }
            dataOut.close();
            return NIOConverter.toByteBuffer(bytesOut.toByteArray());
        }
        if (message instanceof MapMessage) {
            final MapMessage msg = (MapMessage)message;
            final ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
            final DataOutputStream dataOut = new DataOutputStream(bytesOut);
            for (final Enumeration en = msg.getMapNames(); en.hasMoreElements();) {
                final Object obj = msg.getObject(en.nextElement().toString());
                writeData(dataOut, obj);
            }
            dataOut.close();
            return NIOConverter.toByteBuffer(bytesOut.toByteArray());
        }

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                    bodyMessage.setHeader(JMS_MESSAGE_TYPE, JmsMessageType.Bytes);
                    bodyMessage.setBody(result);
                    break;
                case Map:
                    Map<String, Object> body = new HashMap<String, Object>();
                    MapMessage mapMessage = (MapMessage)message;
                    Enumeration<String> names = mapMessage.getMapNames();
                    while (names.hasMoreElements()) {
                        String key = names.nextElement();
                        Object value = mapMessage.getObject(key);
                        body.put(key, value);
                    }
                    bodyMessage.setHeader(JMS_MESSAGE_TYPE, JmsMessageType.Map);
                    bodyMessage.setBody(body);
                    break;

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                BytesMessage bytesMessage = session.createBytesMessage();
                bytesMessage.writeBytes((byte[])payload);
                answer = bytesMessage;
                break;
            case Map:
                MapMessage mapMessage = session.createMapMessage();
                Map<String, Object> objMap = (Map<String, Object>)payload;
                Set<String> keys = objMap.keySet();
                for (String key : keys) {
                    Object value = objMap.get(key);
                    mapMessage.setObject(key, value);
                }
                answer = mapMessage;
                break;
            case Object:
                ObjectMessage objectMessage = session.createObjectMessage();

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            BytesMessage result = session.createBytesMessage();
            result.writeBytes((byte[])body);
            return result;
        }
        if (body instanceof Map) {
            MapMessage result = session.createMapMessage();
            Map<?, ?> map = (Map<?, ?>)body;
            try {
                populateMapMessage(result, map, context);
                return result;
            } catch (JMSException e) {
                // if MapMessage creation failed then fall back to Object Message
                LOG.warn("Can not populate MapMessage will fall back to ObjectMessage, cause by: " + e.getMessage());
            }
        }
        if (body instanceof String) {
            return session.createTextMessage((String)body);
        }
        if (body instanceof File || body instanceof Reader || body instanceof InputStream || body instanceof ByteBuffer) {
            BytesMessage result = session.createBytesMessage();
            byte[] bytes = context.getTypeConverter().convertTo(byte[].class, body);
            result.writeBytes(bytes);
            return result;
        }
        if (body instanceof Serializable) {
            return session.createObjectMessage((Serializable)body);
        }

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