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ActiveMQ example source code file (UserIDBroker.java)

This example ActiveMQ source code file (UserIDBroker.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

brokerfilter, brokerfilter, connectioncontext, exception, message, object, object, securitycontext, securitycontext, set, string, useridbroker, useridbroker, userprincipal, util

The ActiveMQ UserIDBroker.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,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.apache.activemq.broker;

import java.util.Set;
import org.apache.activemq.command.Message;
import org.apache.activemq.jaas.UserPrincipal;
import org.apache.activemq.security.SecurityContext;

 * This broker filter will append the producer's user ID into the JMSXUserID header
 * to allow folks to know reliably who the user was who produced a message.
 * Note that you cannot trust the client, especially if working over the internet
 * as they can spoof headers to be anything they like.
public class UserIDBroker extends BrokerFilter {
    boolean useAuthenticatePrincipal = false;
    public UserIDBroker(Broker next) {

    public void send(ProducerBrokerExchange producerExchange, Message messageSend) throws Exception {
        final ConnectionContext context = producerExchange.getConnectionContext();
        String userID = context.getUserName();
        if (isUseAuthenticatePrincipal()) {
            SecurityContext securityContext = context.getSecurityContext();
            if (securityContext != null) {
                Set<?> principals = securityContext.getPrincipals();
                if (principals != null) {
                    for (Object candidate : principals) {
                        if (candidate instanceof UserPrincipal) {
                            userID = ((UserPrincipal)candidate).getName();
        super.send(producerExchange, messageSend);

    public boolean isUseAuthenticatePrincipal() {
        return useAuthenticatePrincipal;

    public void setUseAuthenticatePrincipal(boolean useAuthenticatePrincipal) {
        this.useAuthenticatePrincipal = useAuthenticatePrincipal;

Other ActiveMQ examples (source code examples)

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

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