home | career | drupal | java | mac | mysql | perl | scala | uml | unix  

ActiveMQ example source code file (ProtocolConverter.java)

This example ActiveMQ source code file (ProtocolConverter.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - ActiveMQ tags/keywords

activemqdestination, concurrenthashmap, io, ioexception, ioexception, longsequencegenerator, map, map, protocolexception, protocolexception, responsehandler, stompframe, stompsubscription, string, string, threading, threads, util

The ActiveMQ ProtocolConverter.java source code

/**
 * 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.transport.stomp;

import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicBoolean;

import javax.jms.JMSException;

import org.apache.activemq.broker.BrokerContext;
import org.apache.activemq.broker.BrokerContextAware;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ActiveMQMessage;
import org.apache.activemq.command.ActiveMQTempQueue;
import org.apache.activemq.command.ActiveMQTempTopic;
import org.apache.activemq.command.Command;
import org.apache.activemq.command.ConnectionError;
import org.apache.activemq.command.ConnectionId;
import org.apache.activemq.command.ConnectionInfo;
import org.apache.activemq.command.ConsumerId;
import org.apache.activemq.command.ConsumerInfo;
import org.apache.activemq.command.DestinationInfo;
import org.apache.activemq.command.ExceptionResponse;
import org.apache.activemq.command.LocalTransactionId;
import org.apache.activemq.command.MessageAck;
import org.apache.activemq.command.MessageDispatch;
import org.apache.activemq.command.MessageId;
import org.apache.activemq.command.ProducerId;
import org.apache.activemq.command.ProducerInfo;
import org.apache.activemq.command.RemoveSubscriptionInfo;
import org.apache.activemq.command.Response;
import org.apache.activemq.command.SessionId;
import org.apache.activemq.command.SessionInfo;
import org.apache.activemq.command.ShutdownInfo;
import org.apache.activemq.command.TransactionId;
import org.apache.activemq.command.TransactionInfo;
import org.apache.activemq.util.ByteArrayOutputStream;
import org.apache.activemq.util.FactoryFinder;
import org.apache.activemq.util.IOExceptionSupport;
import org.apache.activemq.util.IdGenerator;
import org.apache.activemq.util.IntrospectionSupport;
import org.apache.activemq.util.LongSequenceGenerator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContextAware;

/**
 * @author <a href="http://hiramchirino.com">chirino
 */
public class ProtocolConverter {

    private static final Logger LOG = LoggerFactory.getLogger(ProtocolConverter.class);
    
    private static final IdGenerator CONNECTION_ID_GENERATOR = new IdGenerator();

    private final ConnectionId connectionId = new ConnectionId(CONNECTION_ID_GENERATOR.generateId());
    private final SessionId sessionId = new SessionId(connectionId, -1);
    private final ProducerId producerId = new ProducerId(sessionId, 1);

    private final LongSequenceGenerator consumerIdGenerator = new LongSequenceGenerator();
    private final LongSequenceGenerator messageIdGenerator = new LongSequenceGenerator();
    private final LongSequenceGenerator transactionIdGenerator = new LongSequenceGenerator();
    private final LongSequenceGenerator tempDestinationGenerator = new LongSequenceGenerator();

    private final ConcurrentHashMap<Integer, ResponseHandler> resposeHandlers = new ConcurrentHashMap();
    private final ConcurrentHashMap<ConsumerId, StompSubscription> subscriptionsByConsumerId = new ConcurrentHashMap();
    private final ConcurrentHashMap<String, ActiveMQDestination> tempDestinations = new ConcurrentHashMap();
    private final ConcurrentHashMap<String, String> tempDestinationAmqToStompMap = new ConcurrentHashMap();
    private final Map<String, LocalTransactionId> transactions = new ConcurrentHashMap();
    private final StompTransport stompTransport;

    private final Object commnadIdMutex = new Object();
    private int lastCommandId;
    private final AtomicBoolean connected = new AtomicBoolean(false);
    private final FrameTranslator frameTranslator;
    private final FactoryFinder FRAME_TRANSLATOR_FINDER = new FactoryFinder("META-INF/services/org/apache/activemq/transport/frametranslator/");
    private final BrokerContext brokerContext;

    public ProtocolConverter(StompTransport stompTransport, FrameTranslator translator, BrokerContext brokerContext) {
        this.stompTransport = stompTransport;
        this.frameTranslator = translator;
        this.brokerContext = brokerContext;
    }

    protected int generateCommandId() {
        synchronized (commnadIdMutex) {
            return lastCommandId++;
        }
    }

    protected ResponseHandler createResponseHandler(final StompFrame command) {
        final String receiptId = command.getHeaders().get(Stomp.Headers.RECEIPT_REQUESTED);
        if (receiptId != null) {
            return new ResponseHandler() {
                public void onResponse(ProtocolConverter converter, Response response) throws IOException {
                    if (response.isException()) {
                        // Generally a command can fail.. but that does not invalidate the connection.
                        // We report back the failure but we don't close the connection.
                        Throwable exception = ((ExceptionResponse)response).getException();
                        handleException(exception, command);
                    } else {
                        StompFrame sc = new StompFrame();
                        sc.setAction(Stomp.Responses.RECEIPT);
                        sc.setHeaders(new HashMap<String, String>(1));
                        sc.getHeaders().put(Stomp.Headers.Response.RECEIPT_ID, receiptId);
                        stompTransport.sendToStomp(sc);
                    }
                }
            };
        }
        return null;
    }

    protected void sendToActiveMQ(Command command, ResponseHandler handler) {
        command.setCommandId(generateCommandId());
        if (handler != null) {
            command.setResponseRequired(true);
            resposeHandlers.put(Integer.valueOf(command.getCommandId()), handler);
        }
        stompTransport.sendToActiveMQ(command);
    }

    protected void sendToStomp(StompFrame command) throws IOException {
        stompTransport.sendToStomp(command);
    }

    protected FrameTranslator findTranslator(String header) {
        FrameTranslator translator = frameTranslator;
        try {
            if (header != null) {
                translator = (FrameTranslator) FRAME_TRANSLATOR_FINDER
                        .newInstance(header);
                if (translator instanceof BrokerContextAware) {
                    ((BrokerContextAware)translator).setBrokerContext(brokerContext);
                }
            }
        } catch (Exception ignore) {
            // if anything goes wrong use the default translator
        }

        return translator;
    }

    /**
     * Convert a stomp command
     *
     * @param command
     */
    public void onStompCommand(StompFrame command) throws IOException, JMSException {
        try {

            if (command.getClass() == StompFrameError.class) {
                throw ((StompFrameError)command).getException();
            }

            String action = command.getAction();
            if (action.startsWith(Stomp.Commands.SEND)) {
                onStompSend(command);
            } else if (action.startsWith(Stomp.Commands.ACK)) {
                onStompAck(command);
            } else if (action.startsWith(Stomp.Commands.BEGIN)) {
                onStompBegin(command);
            } else if (action.startsWith(Stomp.Commands.COMMIT)) {
                onStompCommit(command);
            } else if (action.startsWith(Stomp.Commands.ABORT)) {
                onStompAbort(command);
            } else if (action.startsWith(Stomp.Commands.SUBSCRIBE)) {
                onStompSubscribe(command);
            } else if (action.startsWith(Stomp.Commands.UNSUBSCRIBE)) {
                onStompUnsubscribe(command);
            } else if (action.startsWith(Stomp.Commands.CONNECT)) {
                onStompConnect(command);
            } else if (action.startsWith(Stomp.Commands.DISCONNECT)) {
                onStompDisconnect(command);
            } else {
                throw new ProtocolException("Unknown STOMP action: " + action);
            }

        } catch (ProtocolException e) {
            handleException(e, command);
            // Some protocol errors can cause the connection to get closed.
            if( e.isFatal() ) {
               getStompTransport().onException(e);
            }
        }
    }

    protected void handleException(Throwable exception, StompFrame command) throws IOException {
        LOG.warn("Exception occurred processing: \n" + command + ": " + exception.toString());
        if (LOG.isDebugEnabled()) {
            LOG.debug("Exception detail", exception);
        }

        // Let the stomp client know about any protocol errors.
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        PrintWriter stream = new PrintWriter(new OutputStreamWriter(baos, "UTF-8"));
        exception.printStackTrace(stream);
        stream.close();

        HashMap<String, String> headers = new HashMap();
        headers.put(Stomp.Headers.Error.MESSAGE, exception.getMessage());

        if (command != null) {
            final String receiptId = command.getHeaders().get(Stomp.Headers.RECEIPT_REQUESTED);
            if (receiptId != null) {
                headers.put(Stomp.Headers.Response.RECEIPT_ID, receiptId);
            }
        }

        StompFrame errorMessage = new StompFrame(Stomp.Responses.ERROR, headers, baos.toByteArray());
        sendToStomp(errorMessage);
    }

    protected void onStompSend(StompFrame command) throws IOException, JMSException {
        checkConnected();

        Map<String, String> headers = command.getHeaders();
        String stompTx = headers.get(Stomp.Headers.TRANSACTION);
        headers.remove("transaction");

        ActiveMQMessage message = convertMessage(command);

        message.setProducerId(producerId);
        MessageId id = new MessageId(producerId, messageIdGenerator.getNextSequenceId());
        message.setMessageId(id);
        message.setJMSTimestamp(System.currentTimeMillis());

        if (stompTx != null) {
            TransactionId activemqTx = transactions.get(stompTx);
            if (activemqTx == null) {
                throw new ProtocolException("Invalid transaction id: " + stompTx);
            }
            message.setTransactionId(activemqTx);
        }

        message.onSend();
        sendToActiveMQ(message, createResponseHandler(command));

    }

    protected void onStompAck(StompFrame command) throws ProtocolException {
        checkConnected();

        // TODO: acking with just a message id is very bogus
        // since the same message id could have been sent to 2 different
        // subscriptions
        // on the same stomp connection. For example, when 2 subs are created on
        // the same topic.

        Map<String, String> headers = command.getHeaders();
        String messageId = headers.get(Stomp.Headers.Ack.MESSAGE_ID);
        if (messageId == null) {
            throw new ProtocolException("ACK received without a message-id to acknowledge!");
        }

        TransactionId activemqTx = null;
        String stompTx = headers.get(Stomp.Headers.TRANSACTION);
        if (stompTx != null) {
            activemqTx = transactions.get(stompTx);
            if (activemqTx == null) {
                throw new ProtocolException("Invalid transaction id: " + stompTx);
            }
        }

        boolean acked = false;
        for (Iterator<StompSubscription> iter = subscriptionsByConsumerId.values().iterator(); iter.hasNext();) {
            StompSubscription sub = iter.next();
            MessageAck ack = sub.onStompMessageAck(messageId, activemqTx);
            if (ack != null) {
                ack.setTransactionId(activemqTx);
                sendToActiveMQ(ack, createResponseHandler(command));
                acked = true;
                break;
            }
        }

        if (!acked) {
            throw new ProtocolException("Unexpected ACK received for message-id [" + messageId + "]");
        }

    }

    protected void onStompBegin(StompFrame command) throws ProtocolException {
        checkConnected();

        Map<String, String> headers = command.getHeaders();

        String stompTx = headers.get(Stomp.Headers.TRANSACTION);

        if (!headers.containsKey(Stomp.Headers.TRANSACTION)) {
            throw new ProtocolException("Must specify the transaction you are beginning");
        }

        if (transactions.get(stompTx) != null) {
            throw new ProtocolException("The transaction was allready started: " + stompTx);
        }

        LocalTransactionId activemqTx = new LocalTransactionId(connectionId, transactionIdGenerator.getNextSequenceId());
        transactions.put(stompTx, activemqTx);

        TransactionInfo tx = new TransactionInfo();
        tx.setConnectionId(connectionId);
        tx.setTransactionId(activemqTx);
        tx.setType(TransactionInfo.BEGIN);

        sendToActiveMQ(tx, createResponseHandler(command));

    }

    protected void onStompCommit(StompFrame command) throws ProtocolException {
        checkConnected();

        Map<String, String> headers = command.getHeaders();

        String stompTx = headers.get(Stomp.Headers.TRANSACTION);
        if (stompTx == null) {
            throw new ProtocolException("Must specify the transaction you are committing");
        }

        TransactionId activemqTx = transactions.remove(stompTx);
        if (activemqTx == null) {
            throw new ProtocolException("Invalid transaction id: " + stompTx);
        }

        for (Iterator<StompSubscription> iter = subscriptionsByConsumerId.values().iterator(); iter.hasNext();) {
            StompSubscription sub = iter.next();
            sub.onStompCommit(activemqTx);
        }

        TransactionInfo tx = new TransactionInfo();
        tx.setConnectionId(connectionId);
        tx.setTransactionId(activemqTx);
        tx.setType(TransactionInfo.COMMIT_ONE_PHASE);

        sendToActiveMQ(tx, createResponseHandler(command));

    }

    protected void onStompAbort(StompFrame command) throws ProtocolException {
        checkConnected();
        Map<String, String> headers = command.getHeaders();

        String stompTx = headers.get(Stomp.Headers.TRANSACTION);
        if (stompTx == null) {
            throw new ProtocolException("Must specify the transaction you are committing");
        }

        TransactionId activemqTx = transactions.remove(stompTx);
        if (activemqTx == null) {
            throw new ProtocolException("Invalid transaction id: " + stompTx);
        }
        for (Iterator<StompSubscription> iter = subscriptionsByConsumerId.values().iterator(); iter.hasNext();) {
            StompSubscription sub = iter.next();
            try {
                sub.onStompAbort(activemqTx);
            } catch (Exception e) {
                throw new ProtocolException("Transaction abort failed", false, e);
            }
        }

        TransactionInfo tx = new TransactionInfo();
        tx.setConnectionId(connectionId);
        tx.setTransactionId(activemqTx);
        tx.setType(TransactionInfo.ROLLBACK);

        sendToActiveMQ(tx, createResponseHandler(command));

    }

    protected void onStompSubscribe(StompFrame command) throws ProtocolException {
        checkConnected();
        FrameTranslator translator = findTranslator(command.getHeaders().get(Stomp.Headers.TRANSFORMATION));
        Map<String, String> headers = command.getHeaders();

        String subscriptionId = headers.get(Stomp.Headers.Subscribe.ID);
        String destination = headers.get(Stomp.Headers.Subscribe.DESTINATION);

        ActiveMQDestination actualDest = translator.convertDestination(this, destination);

        if (actualDest == null) {
            throw new ProtocolException("Invalid Destination.");
        }

        ConsumerId id = new ConsumerId(sessionId, consumerIdGenerator.getNextSequenceId());
        ConsumerInfo consumerInfo = new ConsumerInfo(id);
        consumerInfo.setPrefetchSize(1000);
        consumerInfo.setDispatchAsync(true);

        String selector = headers.remove(Stomp.Headers.Subscribe.SELECTOR);
        consumerInfo.setSelector(selector);

        IntrospectionSupport.setProperties(consumerInfo, headers, "activemq.");

        consumerInfo.setDestination(translator.convertDestination(this, destination));

        StompSubscription stompSubscription = new StompSubscription(this, subscriptionId, consumerInfo, headers.get(Stomp.Headers.TRANSFORMATION));
        stompSubscription.setDestination(actualDest);

        String ackMode = headers.get(Stomp.Headers.Subscribe.ACK_MODE);
        if (Stomp.Headers.Subscribe.AckModeValues.CLIENT.equals(ackMode)) {
            stompSubscription.setAckMode(StompSubscription.CLIENT_ACK);
        } else if (Stomp.Headers.Subscribe.AckModeValues.INDIVIDUAL.equals(ackMode)) {
            stompSubscription.setAckMode(StompSubscription.INDIVIDUAL_ACK);
        } else {
            stompSubscription.setAckMode(StompSubscription.AUTO_ACK);
        }

        subscriptionsByConsumerId.put(id, stompSubscription);
        sendToActiveMQ(consumerInfo, createResponseHandler(command));

    }

    protected void onStompUnsubscribe(StompFrame command) throws ProtocolException {
        checkConnected();
        Map<String, String> headers = command.getHeaders();

        ActiveMQDestination destination = null;
        Object o = headers.get(Stomp.Headers.Unsubscribe.DESTINATION);
        if (o != null) {
            destination = findTranslator(command.getHeaders().get(Stomp.Headers.TRANSFORMATION)).convertDestination(this, (String)o);
        }

        String subscriptionId = headers.get(Stomp.Headers.Unsubscribe.ID);

        if (subscriptionId == null && destination == null) {
            throw new ProtocolException("Must specify the subscriptionId or the destination you are unsubscribing from");
        }

        // check if it is a durable subscription
        String durable = command.getHeaders().get("activemq.subscriptionName");
        if (durable != null) {
            RemoveSubscriptionInfo info = new RemoveSubscriptionInfo();
            info.setClientId(durable);
            info.setSubscriptionName(durable);
            info.setConnectionId(connectionId);
            sendToActiveMQ(info, createResponseHandler(command));
            return;
        }

        // TODO: Unsubscribing using a destination is a bit wierd if multiple
        // subscriptions
        // are created with the same destination. Perhaps this should be
        // removed.
        //
        for (Iterator<StompSubscription> iter = subscriptionsByConsumerId.values().iterator(); iter.hasNext();) {
            StompSubscription sub = iter.next();
            if ((subscriptionId != null && subscriptionId.equals(sub.getSubscriptionId())) || (destination != null && destination.equals(sub.getDestination()))) {
                sendToActiveMQ(sub.getConsumerInfo().createRemoveCommand(), createResponseHandler(command));
                iter.remove();
                return;
            }
        }

        throw new ProtocolException("No subscription matched.");
    }

    ConnectionInfo connectionInfo = new ConnectionInfo();

    protected void onStompConnect(final StompFrame command) throws ProtocolException {

        if (connected.get()) {
            throw new ProtocolException("Allready connected.");
        }

        final Map<String, String> headers = command.getHeaders();

        // allow anyone to login for now
        String login = headers.get(Stomp.Headers.Connect.LOGIN);
        String passcode = headers.get(Stomp.Headers.Connect.PASSCODE);
        String clientId = headers.get(Stomp.Headers.Connect.CLIENT_ID);


        IntrospectionSupport.setProperties(connectionInfo, headers, "activemq.");

        connectionInfo.setConnectionId(connectionId);
        if (clientId != null) {
            connectionInfo.setClientId(clientId);
        } else {
            connectionInfo.setClientId("" + connectionInfo.getConnectionId().toString());
        }

        connectionInfo.setResponseRequired(true);
        connectionInfo.setUserName(login);
        connectionInfo.setPassword(passcode);
        connectionInfo.setTransportContext(stompTransport.getPeerCertificates());

        sendToActiveMQ(connectionInfo, new ResponseHandler() {
            public void onResponse(ProtocolConverter converter, Response response) throws IOException {

                if (response.isException()) {
                    // If the connection attempt fails we close the socket.
                    Throwable exception = ((ExceptionResponse)response).getException();
                    handleException(exception, command);
                    getStompTransport().onException(IOExceptionSupport.create(exception));
                    return;
                }

                final SessionInfo sessionInfo = new SessionInfo(sessionId);
                sendToActiveMQ(sessionInfo, null);

                final ProducerInfo producerInfo = new ProducerInfo(producerId);
                sendToActiveMQ(producerInfo, new ResponseHandler() {
                    public void onResponse(ProtocolConverter converter, Response response) throws IOException {

                        if (response.isException()) {
                            // If the connection attempt fails we close the socket.
                            Throwable exception = ((ExceptionResponse)response).getException();
                            handleException(exception, command);
                            getStompTransport().onException(IOExceptionSupport.create(exception));
                        }

                        connected.set(true);
                        HashMap<String, String> responseHeaders = new HashMap();

                        responseHeaders.put(Stomp.Headers.Connected.SESSION, connectionInfo.getClientId());
                        String requestId = headers.get(Stomp.Headers.Connect.REQUEST_ID);
                        if (requestId == null) {
                            // TODO legacy
                            requestId = headers.get(Stomp.Headers.RECEIPT_REQUESTED);
                        }
                        if (requestId != null) {
                            // TODO legacy
                            responseHeaders.put(Stomp.Headers.Connected.RESPONSE_ID, requestId);
                            responseHeaders.put(Stomp.Headers.Response.RECEIPT_ID, requestId);
                        }

                        StompFrame sc = new StompFrame();
                        sc.setAction(Stomp.Responses.CONNECTED);
                        sc.setHeaders(responseHeaders);
                        sendToStomp(sc);
                    }
                });

            }
        });
    }

    protected void onStompDisconnect(StompFrame command) throws ProtocolException {
        checkConnected();
        sendToActiveMQ(connectionInfo.createRemoveCommand(), createResponseHandler(command));
        sendToActiveMQ(new ShutdownInfo(), createResponseHandler(command));
        connected.set(false);
    }

    protected void checkConnected() throws ProtocolException {
        if (!connected.get()) {
            throw new ProtocolException("Not connected.");
        }
    }

    /**
     * Dispatch a ActiveMQ command
     *
     * @param command
     * @throws IOException
     */
    public void onActiveMQCommand(Command command) throws IOException, JMSException {
        if (command.isResponse()) {

            Response response = (Response)command;
            ResponseHandler rh = resposeHandlers.remove(Integer.valueOf(response.getCorrelationId()));
            if (rh != null) {
                rh.onResponse(this, response);
            } else {
                // Pass down any unexpected errors. Should this close the connection?
                if (response.isException()) {
                    Throwable exception = ((ExceptionResponse)response).getException();
                    handleException(exception, null);
                }
            }
        } else if (command.isMessageDispatch()) {

            MessageDispatch md = (MessageDispatch)command;
            StompSubscription sub = subscriptionsByConsumerId.get(md.getConsumerId());
            if (sub != null) {
                sub.onMessageDispatch(md);
            }
        } else if (command.getDataStructureType() == ConnectionError.DATA_STRUCTURE_TYPE) {
            // Pass down any unexpected async errors. Should this close the connection?
            Throwable exception = ((ConnectionError)command).getException();
            handleException(exception, null);
        }
    }

    public ActiveMQMessage convertMessage(StompFrame command) throws IOException, JMSException {
        ActiveMQMessage msg = findTranslator(command.getHeaders().get(Stomp.Headers.TRANSFORMATION)).convertFrame(this, command);
        return msg;
    }

    public StompFrame convertMessage(ActiveMQMessage message, boolean ignoreTransformation) throws IOException, JMSException {
        if (ignoreTransformation == true) {
            return frameTranslator.convertMessage(this, message);
        } else {
            return findTranslator(message.getStringProperty(Stomp.Headers.TRANSFORMATION)).convertMessage(this, message);
        }
    }

    public StompTransport getStompTransport() {
        return stompTransport;
    }

    public ActiveMQDestination createTempQueue(String name) {
        ActiveMQDestination rc = tempDestinations.get(name);
        if( rc == null ) {
            rc = new ActiveMQTempQueue(connectionId, tempDestinationGenerator.getNextSequenceId());
            sendToActiveMQ(new DestinationInfo(connectionId, DestinationInfo.ADD_OPERATION_TYPE, rc), null);
            tempDestinations.put(name, rc);
        }
        return rc;
    }

    public ActiveMQDestination createTempTopic(String name) {
        ActiveMQDestination rc = tempDestinations.get(name);
        if( rc == null ) {
            rc = new ActiveMQTempTopic(connectionId, tempDestinationGenerator.getNextSequenceId());
            sendToActiveMQ(new DestinationInfo(connectionId, DestinationInfo.ADD_OPERATION_TYPE, rc), null);
            tempDestinations.put(name, rc);
            tempDestinationAmqToStompMap.put(rc.getQualifiedName(), name);
        }
        return rc;
    }

    public String getCreatedTempDestinationName(ActiveMQDestination destination) {
        return tempDestinationAmqToStompMap.get(destination.getQualifiedName());
    }
}

Other ActiveMQ examples (source code examples)

Here is a short list of links related to this ActiveMQ ProtocolConverter.java source code file:



my book on functional programming

 

new blog posts

 

Copyright 1998-2019 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.