Spring 4 整合RMI技术及发布多个服务(xjl456852原创)

rmi需要建立两个项目,一个是服务端的项目,一个是客户端的项目.服务端项目启动后,再启动客户端项目去调用服务端的方法.

我们建立两个maven项目:

pom.xml配置:

<?xml version="1.0" encoding="UTF-8"?>
<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/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.xiejl</groupId>
    <artifactId>test</artifactId>
    <version>1.0-SNAPSHOT</version>

        <properties>
            <spring-version>4.3.7.RELEASE</spring-version>
        </properties>

    <dependencies>
        <!-- https://mvnrepository.com/artifact/org.springframework/spring-beans -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>${spring-version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring-version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>${spring-version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring-version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>${spring-version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>${spring-version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>${spring-version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>${spring-version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring-version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring-version}</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.aspectj/aspectjrt -->
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjrt</artifactId>
            <version>1.8.10</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.aspectj/aspectjweaver -->
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.8.10</version>
        </dependency>


    </dependencies>

</project>

第一个是服务端的maven项目:

服务接口，和以前不一样了，不用实现远程接口了。HelloService:

package com.xjl456852.rmi.spring;

/**
* 定义一个远程接口 
* 
* @author leizhimin 2009-8-17 13:53:38 
*/ 

public interface HelloService { 

        /** 
         * 简单的返回“Hello World！"字样 
         * 
         * @return 返回“Hello World！"字样 
         */ 
        public String helloWorld(); 

        /** 
         * 一个简单的业务方法，根据传入的人名返回相应的问候语 
         * 
         * @param someBodyName 人名 
         * @return 返回相应的问候语 
         */ 
        public String sayHelloToSomeBody(String someBodyName); 
}

服务实现类,加入了注解:

package com.xjl456852.rmi.spring;

import org.springframework.stereotype.Service;

/**
* 远程的接口的实现 
* 
* @author leizhimin 2009-8-17 13:54:38 
*/
@Service
public class HelloServiceImpl implements HelloService {
        public HelloServiceImpl() { 
        } 

        /** 
         * 简单的返回“Hello World！"字样 
         * 
         * @return 返回“Hello World！"字样 
         */ 
        public String helloWorld() { 
                return "Hello World!"; 
        } 

        /** 
         * 一个简单的业务方法，根据传入的人名返回相应的问候语 
         * 
         * @param someBodyName 人名 
         * @return 返回相应的问候语 
         */ 
        public String sayHelloToSomeBody(String someBodyName) { 
                return "你好，" + someBodyName + "!"; 
        } 
}

服务端启动程序:

package com.xjl456852.rmi.spring;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext; 

/** 
* 通过Spring发布RMI服务 
* 
* @author leizhimin 2009-8-17 14:22:06 
*/ 
public class HelloHost { 
        public static void main(String[] args) { 
                ApplicationContext ctx = new ClassPathXmlApplicationContext("applicationContext.xml");
                System.out.println("RMI服务伴随Spring的启动而启动了....."); 
        } 
}

Spring 配置: applicationContext.xml:

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
       xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:task="http://www.springframework.org/schema/task"
       xsi:schemaLocation="
          http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
          http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
          http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd
          http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd
          http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.2.xsd">

    <!-- component-scan自动搜索@Component , @Controller , @Service , @Repository等标注的类 -->
    <context:component-scan base-package="com.xjl456852" />

    <bean id="serviceExporter" class="org.springframework.remoting.rmi.RmiServiceExporter">
        <property name="serviceName" value="rmiSpring"/>
        <property name="serviceInterface" value="com.xjl456852.rmi.spring.HelloService"/>
        <property name="registryPort" value="8888"/>
        <property name="service" ref="helloServiceImpl"/>

    </bean>
</beans>

启动服务端程序,HelloHost:

第二个是客户端的maven项目:

客户端调用有两种方式，一种是使用Spring，一种不使用，这里仅介绍使用Spring的情况。

客户端需要依赖服务端的 HelloService接口,需要将这个接口放入到客户端中.

客户端的启动类:

package com.xjl456852.rmi.spring;

import org.springframework.context.ApplicationContext; 
import org.springframework.context.support.ClassPathXmlApplicationContext;

import javax.annotation.Resource;
import java.rmi.RemoteException; 

/** 
* 通过Spring来调用RMI服务 
* 
* @author leizhimin 2009-8-17 14:12:46 
*/ 
public class HelloClient {
        @Resource
        private HelloService helloService; 

        public static void main(String[] args) throws RemoteException { 
                ApplicationContext ctx = new ClassPathXmlApplicationContext("applicationContext.xml"); 
                HelloService hs = (HelloService) ctx.getBean("helloService"); 
                System.out.println(hs.helloWorld()); 
                System.out.println(hs.sayHelloToSomeBody("xjl456852")); 
        } 

      
}

在Spring中配置客户端要调用服务, applicationContext.xml:

<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:task="http://www.springframework.org/schema/task"
	xsi:schemaLocation="
          http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
          http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
          http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd
          http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd
          http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.2.xsd">

	<!-- component-scan自动搜索@Component , @Controller , @Service , @Repository等标注的类 -->
	<context:component-scan base-package="com.xjl456852" />
	<bean id="helloService" class="org.springframework.remoting.rmi.RmiProxyFactoryBean">
		<property name="serviceUrl" value="rmi://192.168.176.131:8888/rmiSpring"/>
		<property name="serviceInterface" value="com.xjl456852.rmi.spring.HelloService"/>
	</bean>
	
	
</beans>

启动客户端,查看结果:

下面是服务端发布多个服务接口的配置:

假设服务端还有一个服务,叫OtherService:

package com.xjl456852.rmi.spring;

/**
 * Created by xjl on 2017/3/19.
 */
public interface OtherService {

    public int random();
}

服务端的实现类:

package com.xjl456852.rmi.spring;

import org.springframework.stereotype.Service;

import java.util.Random;

/**
 * Created by xjl on 2017/3/19.
 */
@Service
public class OtherServiceImpl implements OtherService{
    Random random = new Random();
    public int random() {
        System.out.println("invoke random method");
        return random.nextInt(100);
    }
}

服务端的Spring配置:

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
       xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:task="http://www.springframework.org/schema/task"
       xsi:schemaLocation="
          http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
          http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
          http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd
          http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd
          http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.2.xsd">

    <!-- component-scan自动搜索@Component , @Controller , @Service , @Repository等标注的类 -->
    <context:component-scan base-package="com.xjl456852" />

    <bean id="serviceExporter" class="org.springframework.remoting.rmi.RmiServiceExporter">
        <property name="serviceName" value="rmiSpring"/>
        <property name="serviceInterface" value="com.xjl456852.rmi.spring.HelloService"/>
        <property name="registryPort" value="8888"/>
        <property name="service" ref="helloServiceImpl"/>

    </bean>

    <bean id="serviceExporter_Other" class="org.springframework.remoting.rmi.RmiServiceExporter">
        <property name="serviceName" value="rmiSpringOther"/>
        <property name="serviceInterface" value="com.xjl456852.rmi.spring.OtherService"/>
        <property name="registryPort" value="8888"/>
        <property name="service" ref="otherServiceImpl"/>

    </bean>
</beans>

下面是客户端的配置:

客户端需要依赖服务端的OtherService接口

然后客户端的Spring配置如下:

<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:task="http://www.springframework.org/schema/task"
	xsi:schemaLocation="
          http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
          http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
          http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd
          http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd
          http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.2.xsd">

	<!-- component-scan自动搜索@Component , @Controller , @Service , @Repository等标注的类 -->
	<context:component-scan base-package="com.xjl456852" />
	<bean id="helloService" class="org.springframework.remoting.rmi.RmiProxyFactoryBean">
		<property name="serviceUrl" value="rmi://192.168.176.131:8888/rmiSpring"/>
		<property name="serviceInterface" value="com.xjl456852.rmi.spring.HelloService"/>
	</bean>


	<bean id="otherService" class="org.springframework.remoting.rmi.RmiProxyFactoryBean">
		<property name="serviceUrl" value="rmi://192.168.176.131:8888/rmiSpringOther"/>
		<property name="serviceInterface" value="com.xjl456852.rmi.spring.OtherService"/>
	</bean>
	
	
</beans>

客户端的测试类:

package com.xjl456852.rmi.spring;

import org.springframework.context.ApplicationContext; 
import org.springframework.context.support.ClassPathXmlApplicationContext;

import javax.annotation.Resource;
import java.rmi.RemoteException; 

/** 
* 通过Spring来调用RMI服务 
* 
* @author leizhimin 2009-8-17 14:12:46 
*/ 
public class HelloClient {
        @Resource
        private HelloService helloService; 
        @Resource
        private OtherService otherService;

        public static void main(String[] args) throws RemoteException { 
                ApplicationContext ctx = new ClassPathXmlApplicationContext("applicationContext.xml"); 
                HelloService hs = (HelloService) ctx.getBean("helloService"); 
                System.out.println(hs.helloWorld()); 
                System.out.println(hs.sayHelloToSomeBody("xjl456852"));


                OtherService os = (OtherService) ctx.getBean("otherService");
                System.out.println("otherService:" + os.random());
        } 

      
}

先启动服务端,然后再启动客户端进行调用.

服务端显示如下:

客户端显示如下:

感谢原作者:

http://lavasoft.blog.51cto.com/62575/192838

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