springmvc+spring+maven+ActiveMq之:點對點模式
訊息服務:一箇中間件,用於解決兩個活多個程式之間的耦合,底層由Java 實現。
優勢:非同步、可靠
訊息模型:點對點,
JMS中的物件
需要安裝apache-activemq,下載安裝之後到暗轉目錄下的bin,找到activemq.bat雙擊執行。瀏覽器:http://localhost:8161/admin/ 使用者名稱和密碼都為admin,保持執行狀態
由於我自己的專案是搭建好的,所以直接有了springmvc+spring+maven所以我要做的就是把ActiveMq新增上去;
第一步jar:
完整的pom.xml
這裡寫程式碼片
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>activemq</groupId>
<artifactId>com.activemq</artifactId>
<packaging >war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>activemq</name>
<url>http://maven.apache.org</url>
<properties>
<springframework>4.2.6.RELEASE</springframework>
</properties>
<dependencies>
<dependency >
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<!-- spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${springframework}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${springframework}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${springframework}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${springframework}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>4.2.6.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jms</artifactId>
<version>${springframework}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>4.2.6.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>4.2.6.RELEASE</version>
</dependency>
<dependency>
<groupId>org.apache.xbean</groupId>
<artifactId>xbean-spring</artifactId>
<version>4.2</version>
</dependency>
<!-- activemq -->
<dependency>
<groupId>org.apache.activemq</groupId>
<artifactId>activemq-core</artifactId>
<version>5.7.0</version>
</dependency>
<dependency>
<groupId>org.apache.activemq</groupId>
<artifactId>activemq-pool</artifactId>
<version>5.12.1</version>
</dependency>
<!--alibabajson轉換jar -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.0.9</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.1.34</version>
</dependency>
<!-- 所有的Java日誌實現提供一個統一的介面jar -->
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-api</artifactId>
<version>2.0.1</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.0.1</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-web</artifactId>
<version>2.0.1</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-1.2-api</artifactId>
<version>2.0.1</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-slf4j-impl</artifactId>
<version>2.0.1</version>
</dependency>
<dependency>
<groupId>aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>1.5.4</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>4.2.6.RELEASE</version>
</dependency>
<dependency>
<groupId>aopalliance</groupId>
<artifactId>aopalliance</artifactId>
<version>1.0</version>
</dependency>
<dependency>
<groupId>commons-pool</groupId>
<artifactId>commons-pool</artifactId>
<version>1.6</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.18</version>
</dependency>
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.4</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.0</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.2.7</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>3.0-alpha-1</version>
</dependency>
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.2</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.3</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>2.6</version>
<configuration>
<warSourceDirectory>Web</warSourceDirectory>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
</plugins>
<finalName>com.activemq</finalName>
</build>
</project>
因為有很多別的東西所以這裡看起來東西比較多。
第二步:ActiveMq配置,
applicationContext-ActiveMQ.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:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:p="http://www.springframework.org/schema/p"
xmlns:amq="http://activemq.apache.org/schema/core" xmlns:jms="http://www.springframework.org/schema/jms"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.1.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-4.1.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-4.1.xsd
http://www.springframework.org/schema/jms
http://www.springframework.org/schema/jms/spring-jms-4.1.xsd
http://activemq.apache.org/schema/core
http://activemq.apache.org/schema/core/activemq-core-5.7.0.xsd ">
<mvc:annotation-driven />
<!-- 對包中的所有類進行掃描,以完成Bean建立和自動依賴注入的功能 需要更改 -->
<context:component-scan base-package="com.java.spring" />
<!-- activemq連線池 -->
<amq:connectionFactory id="amqConnectionFactory" brokerURL="tcp://localhost:61616" userName="admin" password="admin" />
<!-- 配置JMS連線工廠 -->
<bean id="connectionFactory"
class="org.springframework.jms.connection.CachingConnectionFactory">
<constructor-arg ref="amqConnectionFactory" />
<property name="sessionCacheSize" value="100" />
</bean>
<!-- 定義訊息佇列(Queue) -->
<bean id="demoQueueDestination" class="org.apache.activemq.command.ActiveMQQueue">
<!-- 設定訊息佇列的名字 -->
<constructor-arg>
<value>Jaycekon</value>
</constructor-arg>
</bean>
<!-- 配置JMS模板(Queue),Spring提供的JMS工具類,它傳送、接收訊息。 -->
<bean id="jmsTemplate" class="org.springframework.jms.core.JmsTemplate">
<property name="connectionFactory" ref="connectionFactory" />
<property name="defaultDestination" ref="demoQueueDestination" />
<property name="receiveTimeout" value="10000" />
<!-- true是topic,false是queue,預設是false,此處顯示寫出false -->
<property name="pubSubDomain" value="false" />
</bean>
<!-- 配置訊息佇列監聽者(Queue) -->
<bean id="queueMessageListener" class="com.java.spring.util.listener.QueueMessageListener" />
<!-- 顯示注入訊息監聽容器(Queue),配置連線工廠,監聽的目標是demoQueueDestination,監聽器是上面定義的監聽器 -->
<bean id="queueListenerContainer"
class="org.springframework.jms.listener.DefaultMessageListenerContainer">
<property name="connectionFactory" ref="connectionFactory" />
<property name="destination" ref="demoQueueDestination" />
<property name="messageListener" ref="queueMessageListener" />
</bean>
</beans>
紅色部分為重點,主要為載入ActiveMq所用到標籤庫,一定要注意和pom.xml中版本相同
這個部分程式碼可以先註釋(這是訊息監聽,初學者第一步一般都是手動獲取訊息所以用不到監聽獲取)
第三步:建立生產者(Producer)和消費者(Consumer);這裡我把生產者和消費都放在了一個介面實現類中
介面分別為:
package com.java.spring.service;
import javax.jms.Destination;
import org.springframework.stereotype.Service;
/**
* @author 作者:zhaofq
* @version 建立時間:2017年3月28日 上午10:19:15
* 類說明
*/
@Service
public interface ProducerService {
public void sendMessage(Destination destination,final String msg);
public void sendMessage(final String msg);
}
package com.java.spring.service;
import javax.jms.Destination;
import javax.jms.TextMessage;
/**
* @author 作者:zhaofq
* @version 建立時間:2017年3月28日 上午10:29:24
* 類說明
*/
public interface ConsumerService {
public TextMessage receive();
}
package com.java.spring.serviceImpl;
import javax.annotation.Resource;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.Session;
import org.apache.log4j.Logger;
import org.springframework.jms.core.JmsTemplate;
import org.springframework.jms.core.MessageCreator;
import org.springframework.stereotype.Service;
import com.java.spring.service.ProducerService;
/**
* @author 作者:zhaofq
* @version 建立時間:2017年3月28日 上午10:19:15
* 類說明
*/
@Service
public class ProducerServiceImpl implements ProducerService{
private static Logger loger = Logger.getLogger(ProducerServiceImpl.class.getName());
//指定訊息目的地的傳送方法
@Resource(name="jmsTemplate")
private JmsTemplate jmsTemplate;
public void sendMessage(Destination destination,final String msg){
System.out.println(Thread.currentThread().getName()+" 向佇列"+destination.toString()+"傳送訊息---------------------->"+msg);
loger.info(Thread.currentThread().getName()+" 向佇列"+destination.toString()+"傳送訊息---------------------->"+msg);
jmsTemplate.send(destination,new MessageCreator() {
public Message createMessage(Session session) throws JMSException {
return session.createTextMessage(msg);
}
});
}
//預設訊息目的地的方法
public void sendMessage(final String msg){
Destination destination = jmsTemplate.getDefaultDestination();
System.out.println(Thread.currentThread().getName()+" 向佇列"+destination+"傳送訊息---------------------->"+msg);
loger.info(Thread.currentThread().getName()+" 向佇列"+destination+"傳送訊息---------------------->"+msg);
jmsTemplate.send(new MessageCreator() {
public Message createMessage(Session session) throws JMSException {
return session.createTextMessage(msg);
}
});
}
}
package com.java.spring.serviceImpl;
import javax.annotation.Resource;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.TextMessage;
import org.springframework.jms.core.JmsTemplate;
import org.springframework.stereotype.Service;
import com.java.spring.service.ConsumerService;
/**
* @author 作者:zhaofq
* @version 建立時間:2017年3月28日 上午10:29:24
* 類說明
*/
@Service
public class ConsumerServiceImpl implements ConsumerService{
//訊息目的地
@Resource(name = "demoQueueDestination")
Destination destination;
@Resource(name="jmsTemplate")
JmsTemplate jmsTemplate;
public TextMessage receive(){
TextMessage textMessage = (TextMessage) jmsTemplate.receive(destination);
try{
System.out.println("從佇列" + destination+ "收到了訊息:\t"
+ textMessage.getText().toString());
} catch (JMSException e) {
e.printStackTrace();
}
return textMessage;
}
}
由於我的專案已經是從瀏覽器訪問的,ssm專案,所以我直接用controller來呼叫介面方法實現訊息傳送和接收controller的內容為
package com.java.spring.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import com.java.spring.service.ConsumerService;
import com.java.spring.service.ProducerService;
/**
* @author 作者:zhaofq
* @version 建立時間:2017年3月28日 上午10:51:48
* 類說明
*/
@Controller
public class MessageController {
@Autowired(required=false)
ProducerService producerService;
@Autowired(required=false)
ConsumerService consumerService;
@RequestMapping(value="/sendMessage",method=RequestMethod.GET)
public @ResponseBody void send(String msg) {
msg="helloActiveMq";
producerService.sendMessage(msg);
}
@RequestMapping(value="/receiveMessage",method=RequestMethod.GET)
public @ResponseBody void receive() {
consumerService.receive();
}
}
啟動tomcat測試沒問題:分別訪問/sendMessage和/receiveMessage
列印結果是:
傳送列印:
接收列印:
記得要是沒有註釋監聽那段程式碼的時候手動訪問是接收不到的,所以監聽和手動不能同時進行,因為監聽只要消費了就在佇列中麼有了.
下面看下通過監聽收到的訊息:監聽需要自己實現監聽類MessageListener
package com.java.spring.util.listener;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.TextMessage;
import org.springframework.jms.listener.adapter.MessageListenerAdapter;
/**
* @author 作者:zhaofq
* @version 建立時間:2017年3月28日 下午1:35:43
* 類說明
*/
public class QueueMessageListener implements MessageListener {
public void onMessage(Message message) {
TextMessage tm = (TextMessage) message;
try {
System.out.println("QueueMessageListener監聽到了文字訊息:\t"+ tm.getText());
//do something ...
} catch (JMSException e) {
e.printStackTrace();
}
}
}
可以在監聽訊息收到之後做一些業務實現,測試方法,把applicationContext-ActiveMQ.xml中註釋的監聽部分配置開啟執行專案,訪問傳送訊息方法:
程式碼可以github下載:
https://github.com/zhaofq/activemq.git
下一篇說釋出/訂閱模式