| /** |
| * 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. |
| */ |
| //START SNIPPET: code |
| package org.superbiz.injection.jms; |
| |
| import javax.annotation.Resource; |
| import javax.ejb.Stateless; |
| import javax.jms.Connection; |
| import javax.jms.ConnectionFactory; |
| import javax.jms.DeliveryMode; |
| import javax.jms.JMSException; |
| import javax.jms.MessageConsumer; |
| import javax.jms.MessageProducer; |
| import javax.jms.Queue; |
| import javax.jms.Session; |
| import javax.jms.TextMessage; |
| |
| @Stateless |
| public class Messages { |
| |
| @Resource |
| private ConnectionFactory connectionFactory; |
| |
| @Resource |
| private Queue chatQueue; |
| |
| public void sendMessage(String text) throws JMSException { |
| |
| Connection connection = null; |
| Session session = null; |
| |
| try { |
| connection = connectionFactory.createConnection(); |
| connection.start(); |
| |
| // Create a Session |
| session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| |
| // Create a MessageProducer from the Session to the Topic or Queue |
| MessageProducer producer = session.createProducer(chatQueue); |
| producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT); |
| |
| // Create a message |
| TextMessage message = session.createTextMessage(text); |
| |
| // Tell the producer to send the message |
| producer.send(message); |
| } finally { |
| // Clean up |
| if (session != null) { |
| session.close(); |
| } |
| if (connection != null) { |
| connection.close(); |
| } |
| } |
| } |
| |
| public String receiveMessage() throws JMSException { |
| |
| Connection connection = null; |
| Session session = null; |
| MessageConsumer consumer = null; |
| try { |
| connection = connectionFactory.createConnection(); |
| connection.start(); |
| |
| // Create a Session |
| session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| |
| // Create a MessageConsumer from the Session to the Topic or Queue |
| consumer = session.createConsumer(chatQueue); |
| |
| // Wait for a message |
| TextMessage message = (TextMessage) consumer.receive(1000); |
| |
| return message.getText(); |
| } finally { |
| if (consumer != null) { |
| consumer.close(); |
| } |
| if (session != null) { |
| session.close(); |
| } |
| if (connection != null) { |
| connection.close(); |
| } |
| } |
| |
| } |
| } |
| //END SNIPPET: code |