Java EE 8 Application Development

Retrieving messages from a message queue

Of course, there is no point in sending messages from a queue if nothing is going to receive them. The following example illustrates how to retrieve messages from a JMS message queue:

package net.ensode.javaee8book.jmsptpconsumer; 
 
import java.io.Serializable; 
import java.util.logging.Level; 
import java.util.logging.Logger; 
import javax.annotation.Resource; 
import javax.enterprise.context.RequestScoped; 
import javax.inject.Named; 
import javax.jms.ConnectionFactory; 
import javax.jms.JMSConsumer; 
import javax.jms.JMSContext; 
import javax.jms.Queue; 
 
@Named 
@RequestScoped 
public class MessageReceiver implements Serializable{ 
 
    @Resource       private ConnectionFactory connectionFactory;      @Resource(mappedName ...