/**
* 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.
*/
import java.util.Arrays;
import java.util.Date;
import javax.jms.Connection;
import javax.jms.DeliveryMode;
import javax.jms.Destination;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;
import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.util.IndentPrinter;
/**
* A simple tool for publishing messages
*
*
*/
public class RequesterTool {
private int messageCount = 10;
private long sleepTime;
private boolean verbose = true;
private int messageSize = 255;
private long timeToLive;
private String subject = "TOOL.DEFAULT";
private String replySubject;
private boolean topic;
private String user = ActiveMQConnection.DEFAULT_USER;
private String password = ActiveMQConnection.DEFAULT_PASSWORD;
private String url = ActiveMQConnection.DEFAULT_BROKER_URL;
private boolean transacted;
private boolean persistent;
private String clientId;
private Destination destination;
private Destination replyDest;
private MessageProducer producer;
private MessageConsumer consumer;
private Session session;
public static void main(String[] args) {
RequesterTool requesterTool = new RequesterTool();
String[] unknown = CommandLineSupport.setOptions(requesterTool, args);
if (unknown.length > 0) {
System.out.println("Unknown options: " + Arrays.toString(unknown));
System.exit(-1);
}
requesterTool.run();
}
public void run() {
Connection connection = null;
try {
System.out.println("Connecting to URL: " + url);
System.out.println("Publishing a Message with size " + messageSize + " to " + (topic ? "topic" : "queue") + ": " + subject);
System.out.println("Using " + (persistent ? "persistent" : "non-persistent") + " messages");
System.out.println("Sleeping between publish " + sleepTime + " ms");
// Create the connection
ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(user, password, url);
connection = connectionFactory.createConnection();
if (persistent && clientId != null && clientId.length() > 0 && !"null".equals(clientId)) {
connection.setClientID(clientId);
}
connection.start();
// Create the Session
session = connection.createSession(transacted, Session.AUTO_ACKNOWLEDGE);
// And the Destinations..
if (topic) {
destination = session.createTopic(subject);
if (replySubject == null || replySubject.equals("")) {
replyDest = session.createTemporaryTopic();
} else {
replyDest = session.createTopic(replySubject);
}
} else {
destination = session.createQueue(subject);
if (replySubject == null || replySubject.equals("")) {
replyDest = session.createTemporaryQueue();
} else {
replyDest = session.createQueue(replySubject);
}
}
System.out.println("Reply Destination: " + replyDest);
// Create the producer
producer = session.createProducer(destination);
if (persistent) {
producer.setDeliveryMode(DeliveryMode.PERSISTENT);
} else {
producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
}
if (timeToLive != 0) {
System.out.println("Messages time to live " + timeToLive + " ms");
producer.setTimeToLive(timeToLive);
}
// Create the reply consumer
consumer = session.createConsumer(replyDest);
// Start sending reqests.
requestLoop();
System.out.println("Done.");
// Use the ActiveMQConnection interface to dump the connection
// stats.
ActiveMQConnection c = (ActiveMQConnection)connection;
c.getConnectionStats().dump(new IndentPrinter());
} catch (Exception e) {
System.out.println("Caught: " + e);
e.printStackTrace();
} finally {
try {
connection.close();
} catch (Throwable ignore) {
}
}
}
protected void requestLoop() throws Exception {
for (int i = 0; i < messageCount || messageCount == 0; i++) {
TextMessage message = session.createTextMessage(createMessageText(i));
message.setJMSReplyTo(replyDest);
if (verbose) {
String msg = message.getText();
if (msg.length() > 50) {
msg = msg.substring(0, 50) + "...";
}
System.out.println("Sending message: " + msg);
}
producer.send(message);
if (transacted) {
session.commit();
}
System.out.println("Waiting for reponse message...");
Message message2 = consumer.receive();
if (message2 instanceof TextMessage) {
System.out.println("Reponse message: " + ((TextMessage)message2).getText());
} else {
System.out.println("Reponse message: " + message2);
}
if (transacted) {
session.commit();
}
Thread.sleep(sleepTime);
}
}
/**
* @param i
* @return
*/
private String createMessageText(int index) {
StringBuffer buffer = new StringBuffer(messageSize);
buffer.append("Message: " + index + " sent at: " + new Date());
if (buffer.length() > messageSize) {
return buffer.substring(0, messageSize);
}
for (int i = buffer.length(); i < messageSize; i++) {
buffer.append(' ');
}
return buffer.toString();
}
public void setClientId(String clientId) {
this.clientId = clientId;
}
public void setPersistent(boolean durable) {
this.persistent = durable;
}
public void setMessageCount(int messageCount) {
this.messageCount = messageCount;
}
public void setMessageSize(int messageSize) {
this.messageSize = messageSize;
}
public void setPassword(String password) {
this.password = password;
}
public void setSleepTime(long sleepTime) {
this.sleepTime = sleepTime;
}
public void setSubject(String subject) {
this.subject = subject;
}
public void setTimeToLive(long timeToLive) {
this.timeToLive = timeToLive;
}
public void setTopic(boolean topic) {
this.topic = topic;
}
public void setQueue(boolean queue) {
this.topic = !queue;
}
public void setTransacted(boolean transacted) {
this.transacted = transacted;
}
public void setUrl(String url) {
this.url = url;
}
public void setUser(String user) {
this.user = user;
}
public void setVerbose(boolean verbose) {
this.verbose = verbose;
}
public void setReplySubject(String replySubject) {
this.replySubject = replySubject;
}
}