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, activemqmessage, activemqqueue, exception, jmsexception, jmsexception, logger, message, message, string, testsupport, textmessage, textmessage

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.usecases;

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.ActiveMQConnectionFactory;
import org.apache.activemq.command.ActiveMQMessage;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.activemq.command.ActiveMQTopic;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Useful base class for unit test cases
 * 
 * 
 */
public class TestSupport extends TestCase {
    
    private static final Logger LOG = LoggerFactory.getLogger(TestSupport.class);
    
    protected ActiveMQConnectionFactory connectionFactory;
    protected boolean topic = true;

    public TestSupport() {
        super();
    }

    public TestSupport(String name) {
        super(name);
    }

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

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

    protected void assertTextMessagesEqual(Message[] firstSet, Message[] secondSet) throws JMSException {
        assertTextMessagesEqual("", firstSet, secondSet);
    }

    /**
     * @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];
            assertTextMessageEqual("Message " + (i + 1) + " did not match : ", m1, m2);
        }
    }

    protected void assertEquals(TextMessage m1, TextMessage m2) throws JMSException {
        assertEquals("", m1, m2);
    }

    /**
     * @param message
     * @param firstSet
     * @param secondSet
     */
    protected void assertTextMessageEqual(String message, TextMessage m1, TextMessage m2) throws JMSException {
        assertFalse(message + ": expected {" + m1 + "}, but was {" + m2 + "}", m1 == null ^ m2 == null);
        if (m1 == null) {
            return;
        }
        assertEquals(message, m1.getText(), m2.getText());
    }

    protected void assertEquals(Message m1, Message m2) throws JMSException {
        assertEquals("", m1, m2);
    }

    /**
     * @param message
     * @param firstSet
     * @param secondSet
     */
    protected void assertEquals(String message, Message m1, Message m2) throws JMSException {
        assertFalse(message + ": expected {" + m1 + "}, but was {" + m2 + "}", m1 == null ^ m2 == null);
        if (m1 == null) {
            return;
        }
        assertTrue(message + ": expected {" + m1 + "}, but was {" + m2 + "}", m1.getClass() == m2.getClass());
        if (m1 instanceof TextMessage) {
            assertTextMessageEqual(message, (TextMessage)m1, (TextMessage)m2);
        } else {
            assertEquals(message, m1, m2);
        }
    }

    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 getClass().getName() + "." + getName();
    }
}