How to apply AroundAdvice using RegexpMethodPointcutAdvisor and BeanNameAutoProxyCreator

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How to apply AroundAdvice using RegexpMethodPointcutAdvisor and BeanNameAutoProxyCreator

How to apply AroundAdvice using RegexpMethodPointcutAdvisor and BeanNameAutoProxyCreator

How to apply AroundAdvice using RegexpMethodPointcutAdvisor and BeanNameAutoProxyCreator

How to apply AroundAdvice using RegexpMethodPointcutAdvisor and BeanNameAutoProxyCreator

pom.xml

<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>com.ram.core</groupId>
    <artifactId>SpringDemo</artifactId>
    <packaging>jar</packaging>
    <version>1.0-SNAPSHOT</version>
    <name>SpringDemo</name>
    <url>http://maven.apache.org</url>

    <properties>
        <spring.version>5.0.5.RELEASE</spring.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.1</version>
            <scope>test</scope>
        </dependency>

        <!-- Spring 5 dependencies -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>

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

EmployeeService.java

package com.ram.service;

public class EmployeeService
{
    public String getEmployeeName()
    {
        System.out.println("Get Employee Name");
        return "Dave";
    }
   
    public int getEmployeeAge()
    {
        System.out.println("Get Employee Age");
        return 28;
    }
   
    public String getEmployeeAddress()
    {
        System.out.println("Get Employee Address");
        return "A111, East Street";
    }
}

CustomerService.java

package com.ram.service;

public class CustomerService
{
    public String getCustomerName()
    {
        System.out.println("Get Customer Name");
        return "Peter";
    }
   
    public int getCustomerAge()
    {
        System.out.println("Get Customer Age");
        return 38;
    }
   
    public String getCustomerAddress()
    {
        System.out.println("Get Customer Address");
        return "B111, North Street";
    }
}

AroundAdvice.java

package com.ram.Advice;

import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;

public class AroundAdvice implements MethodInterceptor
{

    public Object invoke(MethodInvocation mi) throws Throwable
    {
        Object obj;
        System.out.println("AroundAdvice applied before actual method = "
                + mi.getMethod().getName());
        obj = mi.proceed();
        System.out.println("obj = " + obj);
        System.out.println("AroundAdvice applied after actual method =  "
                + mi.getMethod().getName());
        return obj;
    }

}

applicationContext.xml

<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"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context-4.3.xsd">

    <bean id="employeeService" class="com.ram.service.EmployeeService"></bean>
    <bean id="customerService" class="com.ram.service.CustomerService"></bean>
    <bean id="aroundAdvice" class="com.ram.Advice.AroundAdvice"></bean>

    <bean id="employeeAdvisor"
        class="org.springframework.aop.support.RegexpMethodPointcutAdvisor">
        <property name="patterns">
            <list>
                <value>.*Age.*</value>
            </list>
        </property>
        <property name="advice" ref="aroundAdvice" />
    </bean>
   
    <bean
        class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">
        <property name="beanNames">
            <list>
                <value>*Service</value>
            </list>
        </property>
        <property name="interceptorNames">
            <list>
                <value>employeeAdvisor</value>
            </list>
        </property>
    </bean>


</beans>

App.java

package com.ram.core;

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

import com.ram.service.CustomerService;
import com.ram.service.EmployeeService;

public class App
{
    public static void main(String[] args)
    {
        ApplicationContext context = new ClassPathXmlApplicationContext(
                "applicationContext.xml");

        System.out.println("---------------------------------------");

        EmployeeService employeeService = context
                .getBean("employeeService", EmployeeService.class);

        employeeService.getEmployeeName();

        System.out.println("----------------------------------------");

        employeeService.getEmployeeAge();

        System.out.println("----------------------------------------");

        employeeService.getEmployeeAddress();
       
       
        CustomerService customerService = context
                .getBean("customerService", CustomerService.class);
       
        System.out.println("----------------------------------------");
       
        customerService.getCustomerName();

        System.out.println("----------------------------------------");

        customerService.getCustomerAge();

        System.out.println("----------------------------------------");

        customerService.getCustomerAddress();
    }

}

Output

Oct 29, 2018 9:00:07 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@736e9adb: startup date [Mon Oct 29 09:00:07 IST 2018]; root of context hierarchy
Oct 29, 2018 9:00:08 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [applicationContext.xml]
---------------------------------------
Get Employee Name
----------------------------------------
AroundAdvice applied before actual method = getEmployeeAge
Get Employee Age
obj = 28
AroundAdvice applied after actual method =  getEmployeeAge
----------------------------------------
Get Employee Address
----------------------------------------
Get Customer Name
----------------------------------------
AroundAdvice applied before actual method = getCustomerAge
Get Customer Age
obj = 38
AroundAdvice applied after actual method =  getCustomerAge
----------------------------------------
Get Customer Address

Click the below link to download the code:
https://sites.google.com/site/ramj2eev2/java_basics/SpringDemo_BeanNameAutoProxyCreator.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/javaee/tree/master/Spring_2018/SpringDemo_BeanNameAutoProxyCreator

Bitbucket Link:
https://bitbucket.org/ramram43210/spring/src/7d2a171064f15a9cee482e820ec0271fa30b23b8/Spring_2018/SpringDemo_BeanNameAutoProxyCreator/?at=master

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