ActiveMQ example source code file (TestSupport.java)

This example ActiveMQ source code file (TestSupport.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

activemqconnectionfactory, activemqconnectionfactory, activemqdestination, destinationstatistics, exception, io, ioexception, message, message, persistenceadapter, persistenceadapterchoice, string, string, textmessage, textmessage, util

The ActiveMQ TestSupport.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;

import java.io.File;
import java.io.IOException;
import java.util.Enumeration;
import java.util.Map;

import javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.TextMessage;

import junit.framework.TestCase;

import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.region.DestinationStatistics;
import org.apache.activemq.broker.region.RegionBroker;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ActiveMQMessage;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.activemq.command.ActiveMQTopic;
import org.apache.activemq.store.PersistenceAdapter;
import org.apache.activemq.store.amq.AMQPersistenceAdapter;
import org.apache.activemq.store.jdbc.JDBCPersistenceAdapter;
import org.apache.activemq.store.kahadb.KahaDBPersistenceAdapter;
import org.apache.activemq.store.memory.MemoryPersistenceAdapter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Useful base class for unit test cases
 * 
 * 
 */
public abstract class TestSupport extends CombinationTestSupport {

    protected ActiveMQConnectionFactory connectionFactory;
    protected boolean topic = true;
    public PersistenceAdapterChoice defaultPersistenceAdapter = PersistenceAdapterChoice.KahaDB;

    protected ActiveMQMessage createMessage() {
        return new ActiveMQMessage();
    }

    protected Destination createDestination(String subject) {
        if (topic) {
            return new ActiveMQTopic(subject);
        } else {
            return new ActiveMQQueue(subject);
        }
    }

    protected Destination createDestination() {
        return createDestination(getDestinationString());
    }

    /**
     * Returns the name of the destination used in this test case
     */
    protected String getDestinationString() {
        return getClass().getName() + "." + getName(true);
    }

    /**
     * @param messsage
     * @param firstSet
     * @param secondSet
     */
    protected void assertTextMessagesEqual(String messsage, Message[] firstSet, Message[] secondSet)
        throws JMSException {
        assertEquals("Message count does not match: " + messsage, firstSet.length, secondSet.length);
        for (int i = 0; i < secondSet.length; i++) {
            TextMessage m1 = (TextMessage)firstSet[i];
            TextMessage m2 = (TextMessage)secondSet[i];
            assertFalse("Message " + (i + 1) + " did not match : " + messsage + ": expected {" + m1
                        + "}, but was {" + m2 + "}", m1 == null ^ m2 == null);
            assertEquals("Message " + (i + 1) + " did not match: " + messsage + ": expected {" + m1
                         + "}, but was {" + m2 + "}", m1.getText(), m2.getText());
        }
    }

    protected ActiveMQConnectionFactory createConnectionFactory() throws Exception {
        return new ActiveMQConnectionFactory("vm://localhost?broker.persistent=false");
    }

    /**
     * Factory method to create a new connection
     */
    protected Connection createConnection() throws Exception {
        return getConnectionFactory().createConnection();
    }

    public ActiveMQConnectionFactory getConnectionFactory() throws Exception {
        if (connectionFactory == null) {
            connectionFactory = createConnectionFactory();
            assertTrue("Should have created a connection factory!", connectionFactory != null);
        }
        return connectionFactory;
    }

    protected String getConsumerSubject() {
        return getSubject();
    }

    protected String getProducerSubject() {
        return getSubject();
    }

    protected String getSubject() {
        return getName();
    }

    public static void recursiveDelete(File f) {
        if (f.isDirectory()) {
            File[] files = f.listFiles();
            for (int i = 0; i < files.length; i++) {
                recursiveDelete(files[i]);
            }
        }
        f.delete();
    }

    public static void removeMessageStore() {
        if (System.getProperty("activemq.store.dir") != null) {
            recursiveDelete(new File(System.getProperty("activemq.store.dir")));
        }
        if (System.getProperty("derby.system.home") != null) {
            recursiveDelete(new File(System.getProperty("derby.system.home")));
        }
    }
    
    public static DestinationStatistics getDestinationStatistics(BrokerService broker, ActiveMQDestination destination) {
        DestinationStatistics result = null;
        org.apache.activemq.broker.region.Destination dest = getDestination(broker, destination);
        if (dest != null) {
            result = dest.getDestinationStatistics();
        }
        return result;
    }
    
    public static org.apache.activemq.broker.region.Destination getDestination(BrokerService target, ActiveMQDestination destination) {
        org.apache.activemq.broker.region.Destination result = null;
        for (org.apache.activemq.broker.region.Destination dest : getDestinationMap(target, destination).values()) {
            if (dest.getName().equals(destination.getPhysicalName())) {
                result = dest;
                break;
            }
        }
        return result;
    }

    private static Map<ActiveMQDestination, org.apache.activemq.broker.region.Destination> getDestinationMap(BrokerService target,
            ActiveMQDestination destination) {
        RegionBroker regionBroker = (RegionBroker) target.getRegionBroker();
        return destination.isQueue() ?
                    regionBroker.getQueueRegion().getDestinationMap() :
                        regionBroker.getTopicRegion().getDestinationMap();
    }

    public static enum PersistenceAdapterChoice {KahaDB, AMQ, JDBC, MEM };

    public PersistenceAdapter setDefaultPersistenceAdapter(BrokerService broker) throws IOException {
        return setPersistenceAdapter(broker, defaultPersistenceAdapter);
    }
    
    public PersistenceAdapter setPersistenceAdapter(BrokerService broker, PersistenceAdapterChoice choice) throws IOException {
        PersistenceAdapter adapter = null;
        switch (choice) {
        case AMQ:
            adapter = new AMQPersistenceAdapter();
            break;
        case JDBC:
            adapter = new JDBCPersistenceAdapter();
            break;
        case KahaDB:
            adapter = new KahaDBPersistenceAdapter();
            break;
        case MEM:
            adapter = new MemoryPersistenceAdapter();
            break;
        }
        broker.setPersistenceAdapter(adapter);
        return adapter;
    }

}