在Spring JMS、中可以通过实现MessageConverter自定义自己的消息转换器实现消息的转换。在Spring 的JMS1.1有SimpleMessageConverter实现基本的消息转换,在JMS1.02中SimpleMessageConverter102实现消息的转换的工作。
package com.easyway.jboss.jms.ptp.service; public class SMS implements java.io.Serializable{ /** * */ private static final long serialVersionUID = 1L; private String username; private String message; public SMS(){ } public SMS(String username,String message){ this.username=username; this.message=message; } public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } public String getMessage() { return message; } public void setMessage(String message) { this.message = message; } }
消息转换器:
package com.easyway.jboss.jms.ptp.spring.service; import javax.jms.JMSException; import javax.jms.MapMessage; import javax.jms.Message; import javax.jms.Session; import org.springframework.jms.support.converter.MessageConversionException; import org.springframework.jms.support.converter.MessageConverter; import com.easyway.jboss.jms.ptp.service.SMS; /** * 自定义消息转换器MessageConverter实现 * 在JmsTemplate提供了各种send方法,供发送消息使用,其中JmsTemplate中的 * convertAndSend和receiveAndConvert方法能够借助于MessageConverter接口 * 实现消息做相应的转换。 * JMS1.1中SimpleMessageConverter实现String与TextMessage,等之间的转换 * @author longgangbai * */ public class SMSConverter implements MessageConverter { @Override public Object fromMessage(Message message) throws JMSException, MessageConversionException { SMS sms=new SMS(); MapMessage mapmessage= (MapMessage )message; sms.setMessage(mapmessage.getString("message")); sms.setUsername(mapmessage.getString("username")); return sms; } @Override public Message toMessage(Object object, Session session) throws JMSException, MessageConversionException { SMS sms=(SMS)object; MapMessage mapmessage=session.createMapMessage(); mapmessage.setString("username", sms.getUsername()); mapmessage.setString("message", sms.getMessage()); return mapmessage; } }
applicationContext-cjms-sender.xml:
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd"> <!-- 设置消息服务的初始化参数信息 --> <bean id="jndiTemplate" class="org.springframework.jndi.JndiTemplate"> <property name="environment"> <props> <prop key="java.naming.factory.initial"> org.jnp.interfaces.NamingContextFactory </prop> <prop key="java.naming.provider.url"> jnp://localhost:1099 </prop> <prop key="java.naming.factory.url.pkgs"> org.jboss.naming:org.jnp.interfaces </prop> </props> </property> </bean> <!-- 创建消息服务的连接工厂的信息 JMS1.02 TopicConnectionFactory 和QueueConnectionFactory JMS1.1 TopicConnectionFactory 和QueueConnectionFactory合并为ConnectionFactory --> <bean id="connectionFactory" class="org.springframework.jndi.JndiObjectFactoryBean"> <property name="jndiName"> <value>ConnectionFactory</value> </property> <property name="jndiTemplate"> <ref local="jndiTemplate"/> </property> </bean> <!-- 创建JMS的目的地信息 --> <bean id="destination" class="org.springframework.jndi.JndiObjectFactoryBean"> <property name="jndiName"> <value>queue/longgangbai</value> </property> <property name="jndiTemplate"> <ref local="jndiTemplate"/> </property> </bean> <!-- 创建自定义转换器 --> <bean id="smsconverter" class="com.easyway.jboss.jms.ptp.spring.service.SMSConverter"></bean> <!-- 创建JMS发送信息的模板的对象 --> <bean id="jmsTemplate" class="org.springframework.jms.core.JmsTemplate"> <property name="connectionFactory"> <ref local="connectionFactory"/> </property> <property name="defaultDestination"> <ref local="destination"/> </property> <!-- 设置自定义转换器 --> <property name="messageConverter"> <ref local="smsconverter"/> </property> </bean> </beans>
发送消息的代码那:
package com.easyway.jboss.jms.ptp.spring.service; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import org.springframework.jms.core.JmsTemplate; import com.easyway.jboss.jms.ptp.service.SMS; /** * Spring中JMS的简单应用 * Spring JMS的创建并发送 * @author longgangbai * */ public class SpringCJMSQueueSender { private static final Log log=LogFactory.getLog(SpringCJMSQueueSender.class); public static void main(String[] args) { ApplicationContext ctx=new ClassPathXmlApplicationContext("applicationContext-cjms-sender.xml"); JmsTemplate jt=(JmsTemplate)ctx.getBean("jmsTemplate"); SMS sms=new SMS(); sms.setMessage("message"); sms.setUsername("wangna"); jt.convertAndSend(sms); log.info("发送信息成功!"); } }
applicationContext-cjms-receive.xml:
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd"> <!-- 设置消息服务的初始化参数信息 --> <bean id="jndiTemplate" class="org.springframework.jndi.JndiTemplate"> <property name="environment"> <props> <prop key="java.naming.factory.initial"> org.jnp.interfaces.NamingContextFactory </prop> <prop key="java.naming.provider.url"> jnp://localhost:1099 </prop> <prop key="java.naming.factory.url.pkgs"> org.jboss.naming:org.jnp.interfaces </prop> </props> </property> </bean> <!-- 创建消息服务的连接工厂的信息 JMS1.02 TopicConnectionFactory 和QueueConnectionFactory JMS1.1 TopicConnectionFactory 和QueueConnectionFactory合并为ConnectionFactory --> <bean id="connectionFactory" class="org.springframework.jndi.JndiObjectFactoryBean"> <property name="jndiName"> <value>ConnectionFactory</value> </property> <property name="jndiTemplate"> <ref local="jndiTemplate"/> </property> </bean> <!-- 创建JMS的目的地信息 --> <bean id="destination" class="org.springframework.jndi.JndiObjectFactoryBean"> <property name="jndiName"> <value>queue/longgangbai</value> </property> <property name="jndiTemplate"> <ref local="jndiTemplate"/> </property> </bean> <!-- 创建自定义转换器 --> <bean id="smsconverter" class="com.easyway.jboss.jms.ptp.spring.service.SMSConverter"></bean> <!-- 创建JMS发送信息的模板的对象 --> <bean id="jmsTemplate" class="org.springframework.jms.core.JmsTemplate"> <property name="connectionFactory"> <ref local="connectionFactory"/> </property> <property name="defaultDestination"> <ref local="destination"/> </property> <!-- 设置自定义转换器 --> <property name="messageConverter"> <ref local="smsconverter"/> </property> </bean> </beans>
接收消息的代码如下:
package com.easyway.jboss.jms.ptp.spring.service; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import org.springframework.jms.core.JmsTemplate; import com.easyway.jboss.jms.ptp.service.SMS; /** * Spring JMS 消息的接受 * @author longgangbai * */ public class SpringCJMSQueueReceive { private static final Log log=LogFactory.getLog(SpringCJMSQueueReceive.class); public static void main(String[] args) { ApplicationContext ctx=new ClassPathXmlApplicationContext("applicationContext-cjms-receive.xml"); JmsTemplate jt=(JmsTemplate)ctx.getBean("jmsTemplate"); SMS sms=(SMS)jt.receiveAndConvert(); System.out.println("username:"+sms.getUsername()); System.out.println("message:"+sms.getMessage()); System.out.println("......."); } }