6.2.2. AMQ Online JMS の例
次の AMQ Online JMS の例を使用して、アプリケーションを AMQ Online に接続できます。この例では、myqueue という名前の queue タイプのアドレスを作成したと想定しています。
package org.apache.qpid.jms.example;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.DeliveryMode;
import javax.jms.Destination;
import javax.jms.ExceptionListener;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.naming.Context;
import javax.naming.InitialContext;
public class HelloWorld {
public static void main(String[] args) throws Exception {
try {
// The configuration for the Qpid InitialContextFactory has been supplied in
// a jndi.properties file in the classpath, which results in it being picked
// up automatically by the InitialContext constructor.
Context context = new InitialContext();
ConnectionFactory factory = (ConnectionFactory) context.lookup("myFactoryLookup");
Destination queue = (Destination) context.lookup("myQueueLookup");
Connection connection = factory.createConnection(System.getProperty("USER"), System.getProperty("PASSWORD"));
connection.setExceptionListener(new MyExceptionListener());
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer messageProducer = session.createProducer(queue);
MessageConsumer messageConsumer = session.createConsumer(queue);
TextMessage message = session.createTextMessage("Hello world!");
messageProducer.send(message, DeliveryMode.NON_PERSISTENT, Message.DEFAULT_PRIORITY, Message.DEFAULT_TIME_TO_LIVE);
TextMessage receivedMessage = (TextMessage) messageConsumer.receive(2000L);
if (receivedMessage != null) {
System.out.println(receivedMessage.getText());
} else {
System.out.println("No message received within the given timeout!");
}
connection.close();
} catch (Exception exp) {
System.out.println("Caught exception, exiting.");
exp.printStackTrace(System.out);
System.exit(1);
}
}
private static class MyExceptionListener implements ExceptionListener {
@Override
public void onException(JMSException exception) {
System.out.println("Connection ExceptionListener fired, exiting.");
exception.printStackTrace(System.out);
System.exit(1);
}
}
}
package org.apache.qpid.jms.example;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.DeliveryMode;
import javax.jms.Destination;
import javax.jms.ExceptionListener;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.naming.Context;
import javax.naming.InitialContext;
public class HelloWorld {
public static void main(String[] args) throws Exception {
try {
// The configuration for the Qpid InitialContextFactory has been supplied in
// a jndi.properties file in the classpath, which results in it being picked
// up automatically by the InitialContext constructor.
Context context = new InitialContext();
ConnectionFactory factory = (ConnectionFactory) context.lookup("myFactoryLookup");
Destination queue = (Destination) context.lookup("myQueueLookup");
Connection connection = factory.createConnection(System.getProperty("USER"), System.getProperty("PASSWORD"));
connection.setExceptionListener(new MyExceptionListener());
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer messageProducer = session.createProducer(queue);
MessageConsumer messageConsumer = session.createConsumer(queue);
TextMessage message = session.createTextMessage("Hello world!");
messageProducer.send(message, DeliveryMode.NON_PERSISTENT, Message.DEFAULT_PRIORITY, Message.DEFAULT_TIME_TO_LIVE);
TextMessage receivedMessage = (TextMessage) messageConsumer.receive(2000L);
if (receivedMessage != null) {
System.out.println(receivedMessage.getText());
} else {
System.out.println("No message received within the given timeout!");
}
connection.close();
} catch (Exception exp) {
System.out.println("Caught exception, exiting.");
exp.printStackTrace(System.out);
System.exit(1);
}
}
private static class MyExceptionListener implements ExceptionListener {
@Override
public void onException(JMSException exception) {
System.out.println("Connection ExceptionListener fired, exiting.");
exception.printStackTrace(System.out);
System.exit(1);
}
}
}
jndi.properties を使用:
connectionfactory.myFactoryLookup = amqps://messaging-route-hostname:443?transport.trustAll=true&transport.verifyHost=false queue.myQueueLookup = myqueue
connectionfactory.myFactoryLookup = amqps://messaging-route-hostname:443?transport.trustAll=true&transport.verifyHost=false
queue.myQueueLookup = myqueue