/**
* 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.command;
import java.io.UnsupportedEncodingException;
import javax.jms.BytesMessage;
import javax.jms.JMSException;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import junit.framework.TestCase;
import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
public class MessageCompressionTest extends TestCase {
private static final String BROKER_URL = "tcp://localhost:0";
// The following text should compress well
private static final String TEXT = "The quick red fox jumped over the lazy brown dog. "
+ "The quick red fox jumped over the lazy brown dog. " + "The quick red fox jumped over the lazy brown dog. "
+ "The quick red fox jumped over the lazy brown dog. " + "The quick red fox jumped over the lazy brown dog. "
+ "The quick red fox jumped over the lazy brown dog. " + "The quick red fox jumped over the lazy brown dog. "
+ "The quick red fox jumped over the lazy brown dog. " + "The quick red fox jumped over the lazy brown dog. "
+ "The quick red fox jumped over the lazy brown dog. " + "The quick red fox jumped over the lazy brown dog. "
+ "The quick red fox jumped over the lazy brown dog. " + "The quick red fox jumped over the lazy brown dog. "
+ "The quick red fox jumped over the lazy brown dog. " + "The quick red fox jumped over the lazy brown dog. "
+ "The quick red fox jumped over the lazy brown dog. " + "The quick red fox jumped over the lazy brown dog. ";
private BrokerService broker;
private ActiveMQQueue queue;
private String connectionUri;
protected void setUp() throws Exception {
broker = new BrokerService();
connectionUri = broker.addConnector(BROKER_URL).getPublishableConnectString();
broker.start();
queue = new ActiveMQQueue("TEST." + System.currentTimeMillis());
}
protected void tearDown() throws Exception {
if (broker != null) {
broker.stop();
}
}
public void testTextMessageCompression() throws Exception {
ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(connectionUri);
factory.setUseCompression(true);
sendTestMessage(factory, TEXT);
ActiveMQTextMessage message = receiveTestMessage(factory);
int compressedSize = message.getContent().getLength();
factory = new ActiveMQConnectionFactory(connectionUri);
factory.setUseCompression(false);
sendTestMessage(factory, TEXT);
message = receiveTestMessage(factory);
int unCompressedSize = message.getContent().getLength();
assertTrue("expected: compressed Size '" + compressedSize + "' < unCompressedSize '" + unCompressedSize + "'",
compressedSize < unCompressedSize);
}
public void testBytesMessageCompression() throws Exception {
ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(connectionUri);
factory.setUseCompression(true);
sendTestBytesMessage(factory, TEXT);
ActiveMQBytesMessage message = receiveTestBytesMessage(factory);
int compressedSize = message.getContent().getLength();
byte[] bytes = new byte[TEXT.getBytes("UTF8").length];
message.readBytes(bytes);
assertTrue(message.readBytes(new byte[255]) == -1);
String rcvString = new String(bytes, "UTF8");
assertEquals(TEXT, rcvString);
assertTrue(message.isCompressed());
factory = new ActiveMQConnectionFactory(connectionUri);
factory.setUseCompression(false);
sendTestBytesMessage(factory, TEXT);
message = receiveTestBytesMessage(factory);
int unCompressedSize = message.getContent().getLength();
assertTrue("expected: compressed Size '" + compressedSize + "' < unCompressedSize '" + unCompressedSize + "'",
compressedSize < unCompressedSize);
}
private void sendTestMessage(ActiveMQConnectionFactory factory, String message) throws JMSException {
ActiveMQConnection connection = (ActiveMQConnection) factory.createConnection();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = session.createProducer(queue);
producer.send(session.createTextMessage(message));
connection.close();
}
private ActiveMQTextMessage receiveTestMessage(ActiveMQConnectionFactory factory) throws JMSException {
ActiveMQConnection connection = (ActiveMQConnection) factory.createConnection();
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageConsumer consumer = session.createConsumer(queue);
ActiveMQTextMessage rc = (ActiveMQTextMessage) consumer.receive();
connection.close();
return rc;
}
private void sendTestBytesMessage(ActiveMQConnectionFactory factory, String message) throws JMSException, UnsupportedEncodingException {
ActiveMQConnection connection = (ActiveMQConnection) factory.createConnection();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = session.createProducer(queue);
BytesMessage bytesMessage = session.createBytesMessage();
bytesMessage.writeBytes(message.getBytes("UTF8"));
producer.send(bytesMessage);
connection.close();
}
private ActiveMQBytesMessage receiveTestBytesMessage(ActiveMQConnectionFactory factory) throws JMSException, UnsupportedEncodingException {
ActiveMQConnection connection = (ActiveMQConnection) factory.createConnection();
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageConsumer consumer = session.createConsumer(queue);
ActiveMQBytesMessage rc = (ActiveMQBytesMessage) consumer.receive();
connection.close();
return rc;
}
}