Java EE 8 Application Development

Browsing message queues

JMS provides a way to browse message queues without actually removing messages from those queues. The following example illustrates how to do this:

package net.ensode.javaee8book.jmsqueuebrowser; 
 
import java.util.Enumeration; 
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.JMSContext; 
import javax.jms.JMSException; 
import javax.jms.Queue; 
import javax.jms.QueueBrowser; 
import javax.jms.TextMessage; 
 
@Named 
@RequestScoped 
public class MessageQueueBrowser { 
 
    @Resource       private ConnectionFactory connectionFactory;      @Resource(mappedName = "jms/JavaEE8BookQueue") ...