jms activeMQ 经典代码

package com.andyao.activemq; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.util.HashMap; import javax.jms.JMSException; import javax.jms.Message; import javax.jms.ObjectMessage; import javax.jms.Session; import org.apache.activemq.command.ActiveMQObjectMessage; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.jms.support.converter.MessageConverter; public class DefaultMessageConverter implements MessageConverter { /** * Logger for this class */ private static final Log log = LogFactory.getLog(DefaultMessageConverter.class); public Message toMessage(Object obj, Session session) throws JMSException { if (log.isDebugEnabled()) { log.debug("toMessage(Object, Session) - start"); } // check Type ActiveMQObjectMessage objMsg = (ActiveMQObjectMessage) session.createObjectMessage(); HashMap<String, byte[]> map = new HashMap<String, byte[]>(); try { System.out.println("转化器：toMessage"); // POJO must implements Seralizable ByteArrayOutputStream bos = new ByteArrayOutputStream(); ObjectOutputStream oos = new ObjectOutputStream(bos); oos.writeObject(obj); map.put("POJO", bos.toByteArray()); objMsg.setObjectProperty("Map", map); } catch (IOException e) { log.error("toMessage(Object, Session)", e); } return objMsg; } public Object fromMessage(Message msg) throws JMSException { if (log.isDebugEnabled()) { log.debug("fromMessage(Message) - start"); } if (msg instanceof ObjectMessage) { HashMap<String, byte[]> map = (HashMap<String, byte[]>) ((ObjectMessage) msg).getObjectProperty("Map"); try { // POJO must implements Seralizable ByteArrayInputStream bis = new ByteArrayInputStream(map.get("POJO")); ObjectInputStream ois = new ObjectInputStream(bis); Object returnObject = ois.readObject(); System.out.println("转化器：fromMessage"); return returnObject; } catch (IOException e) { log.error("fromMessage(Message)", e); } catch (ClassNotFoundException e) { log.error("fromMessage(Message)", e); } return null; } else { throw new JMSException("Msg:[" + msg + "] is not Map"); } } }