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<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.zhongan.mvc.demo</groupId>
<artifactId>SpringMVCDemo</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>SpringMVCDemo Maven Webapp</name>
<url>http://maven.apache.org</url>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.3.0.RELEASE</version>
</dependency>
</dependencies>
<build>
<finalName>SpringMVCDemo</finalName>
</build>
</project>
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
<display-name>Archetype Created Web Application</display-name>
<servlet>
<servlet-name>Dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
<?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:aop="http://www.springframework.org/schema/aop"
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-4.0.xsd">
<!-- scan the package and the sub package -->
<context:component-scan base-package="com.zhongan.mvc.demo" />
<bean id="propertyPlaceholderConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath:config.properties</value>
<value>classpath:config2.properties</value>
</list>
</property>
</bean>
<!-- if you use annotation you must configure following setting -->
<mvc:annotation-driven />
</beans>
package com.zhongan.mvc.demo.controller;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.context.annotation.Configuration;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
@Configuration
@Controller
public class HelloController {
@Value("${config.name}")
private String name;
// @Value("${gateway-dispather.limit.limit01}")
private String limit;
@RequestMapping(value = "/mvc/hello")
@ResponseBody
public String hello() {
DefaultListableBeanFactory beanFactory = (DefaultListableBeanFactory) ApplicationContextUtils.getApplicationContext().getAutowireCapableBeanFactory();
Object bean = beanFactory.getBean("helloController");
bean = ProxyTargetUtils.getTarget(bean);
return "hello";
}
}
package com.zhongan.mvc.demo.controller;
import java.lang.reflect.Field;
import org.springframework.aop.framework.AdvisedSupport;
import org.springframework.aop.framework.AopProxy;
import org.springframework.aop.support.AopUtils;
/**
* 代理目标对象工具类
* @author chengkai
*
*/
public class ProxyTargetUtils {
public static boolean isCglibProxy(Object proxy) {
return AopUtils.isCglibProxy(proxy);
}
public static boolean isJdkDynamicProxy(Object proxy) {
return AopUtils.isJdkDynamicProxy(proxy);
}
public static Object getTarget(Object proxy) {
if (AopUtils.isCglibProxy(proxy)) {
return getCglibProxyTargetObject(proxy);
} else if (AopUtils.isJdkDynamicProxy(proxy)) {
return getJdkDynamicProxyTargetObject(proxy);
} else {
return proxy;
}
}
private static Object getCglibProxyTargetObject(Object proxy) {
Object target = null;
try {
Field field = proxy.getClass().getDeclaredField("CGLIB$CALLBACK_0");
field.setAccessible(true);
Object dynamicAdvisedInterceptor = field.get(proxy);
Field advised = dynamicAdvisedInterceptor.getClass().getDeclaredField("advised");
advised.setAccessible(true);
target = ((AdvisedSupport) advised.get(dynamicAdvisedInterceptor)).getTargetSource().getTarget();
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
return target;
}
private static Object getJdkDynamicProxyTargetObject(Object proxy) {
Object target = null;
try {
Field h = proxy.getClass().getSuperclass().getDeclaredField("h");
h.setAccessible(true);
AopProxy aopProxy = (AopProxy) h.get(proxy);
Field advised = aopProxy.getClass().getDeclaredField("advised");
advised.setAccessible(true);
target = ((AdvisedSupport) advised.get(aopProxy)).getTargetSource().getTarget();
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
return target;
}
}
package com.zhongan.mvc.demo.controller;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;
@Component
public class ApplicationContextUtils implements ApplicationContextAware {
private static ApplicationContext applicationContext = null;
public void setApplicationContext(ApplicationContext arg0) throws BeansException {
if (ApplicationContextUtils.applicationContext == null) {
ApplicationContextUtils.applicationContext = arg0;
}
}
// 获取applicationContext
public static ApplicationContext getApplicationContext() {
return applicationContext;
}
// 通过name获取 Bean.
public static Object getBean(String name) {
return getApplicationContext().getBean(name);
}
// 通过class获取Bean.
public static <T> T getBean(Class<T> clazz) {
return getApplicationContext().getBean(clazz);
}
// 通过name,以及Clazz返回指定的Bean
public static <T> T getBean(String name, Class<T> clazz) {
return getApplicationContext().getBean(name, clazz);
}
}
config.name=kaicheng
AopUtils.isCglibProxy(proxy) 为 true
AopUtils.isJdkDynamicProxy(proxy) 为false
AopUtils.isAopProxy(proxy) 为true