Common tools in activeMQ publishing and subscription mode, and activemq tools
package com.jms;import java.util.Map;import java.util.concurrent.ConcurrentHashMap;import javax.jms.BytesMessage;import javax.jms.Connection;import javax.jms.ConnectionFactory;import javax.jms.Destination;import javax.jms.JMSException;import javax.jms.MessageConsumer;import javax.jms.MessageProducer;import javax.jms.Queue;import javax.jms.Session;import javax.jms.TextMessage;import org.apache.activemq.ActiveMQConnection;import org.apache.activemq.ActiveMQConnectionFactory;import org.clapper.util.logging.Logger;import com.pzoom.dsa.common.util.Log;import com.pzoom.dsa.nerd.mysql.DBQueryHelper;public class Jms{ static ConnectionFactory connectionFactory; static Connection connection = null; static Session session; static Map<String, MessageProducer> sendQueues = new ConcurrentHashMap<String, MessageProducer>(); static Map<String, MessageConsumer> getQueues = new ConcurrentHashMap<String, MessageConsumer>(); static Log log=Log.getLogger(DBQueryHelper.class); static { connectionFactory = new ActiveMQConnectionFactory( ActiveMQConnection.DEFAULT_USER, ActiveMQConnection.DEFAULT_PASSWORD, "tcp://10.100.100.100:61616?wireFormat.maxInactivityDuration=0"); try { connection = connectionFactory.createConnection(); connection.start(); session = connection.createSession(Boolean.FALSE.booleanValue(), 1); } catch (Exception e) { e.printStackTrace(); } } static MessageProducer getMessageProducer(String name) { if (sendQueues.containsKey(name)) return ((MessageProducer)sendQueues.get(name)); try { Destination destination = session.createQueue(name); MessageProducer producer = session.createProducer(destination); sendQueues.put(name, producer); return producer; } catch (JMSException e) { e.printStackTrace(); } return ((MessageProducer)sendQueues.get(name)); } static MessageConsumer getMessageConsumer(String name) { if (getQueues.containsKey(name)) return ((MessageConsumer)getQueues.get(name)); try { Destination destination = session.createQueue(name); MessageConsumer consumer = session.createConsumer(destination); getQueues.put(name, consumer); return consumer; } catch (JMSException e) { e.printStackTrace(); } return ((MessageConsumer)getQueues.get(name)); } public static void sendMessage(String queue, String text) { try { TextMessage message = session.createTextMessage(text); getMessageProducer(queue).send(message); // log.info("sendMessage " + queue + "\t\t" + text); } catch (JMSException e) { e.printStackTrace(); } } public static String getMessage(String queue) { try { TextMessage message = (TextMessage)getMessageConsumer(queue).receive(10000L); if (message != null) return message.getText(); } catch (JMSException e) { e.printStackTrace(); }return null; } public static void close() { try { session.close(); } catch (JMSException e) { e.printStackTrace(); } try { connection.close(); } catch (JMSException e) { e.printStackTrace(); } }}