Docker入门系列7:动态映射端口port mapping

package com.test.TestSpring3;

public interface UserService // 被拦截的接口
{
public void printUser(String user);
}

package com.test.TestSpring3;

public class UserServiceImp implements UserService // 实现UserService接口
{
public void printUser(String user) ...{
System.out.println("printUser user:" + user);// 显示user
}
}

package com.test.TestSpring3;

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

public class UserInterceptor implements MethodInterceptor
// AOP方法拦截器
{

public Object invoke(MethodInvocation arg0) throws Throwable ...{

try {

if (arg0.getMethod().getName().equals("printUser"))
// 拦截方法是否是UserService接口的printUser方法
{
Object[] args = arg0.getArguments();// 被拦截的参数
System.out.println("user:" + args[0]);
arg0.getArguments()[0] = "hello!";// 修改被拦截的参数

}

System.out.println(arg0.getMethod().getName() + "---!");
return arg0.proceed();// 运行UserService接口的printUser方法

} catch (Exception e) {
throw e;
}
}
}

package com.test.TestSpring3;

import org.springframework.beans.factory.BeanFactory;

import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.context.support.FileSystemXmlApplicationContext;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.web.context.support.WebApplicationContextUtils;

public class TestInterceptor {

public static void main(String[] args) {
ApplicationContext ctx = new FileSystemXmlApplicationContext(
"classpath:applicationContext.xml");
//        ApplicationContext ctx = new ClassPathXmlApplicationContext("applicationContext.xml");

UserService us = (UserService) ctx.getBean("userService");
us.printUser("shawn");

}
}

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
<bean id="userServiceImp"
class="com.test.TestSpring3.UserServiceImp" />

<bean id="userInterceptor" class="com.test.TestSpring3.UserInterceptor" />

<bean id="userService"
class="org.springframework.aop.framework.ProxyFactoryBean">
<!-- 代理接口 -->
<property name="proxyInterfaces">
<value>com.test.TestSpring3.UserService</value>
</property>
<!-- 目标实现类 -->
<property name="target">
<ref local="userServiceImp" />
</property>
<!-- 拦截器 -->
<property name="interceptorNames">
<list>
<value>userInterceptor</value>
</list>
</property>
</bean>

</beans>