springMVC : Multiple Interceptor

index.jsp

======

<a href="hello.htm">Click here for greeting message</a>

web.xml

======

<?xml version="1.0" encoding="UTF-8"?>

<web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd">

    <servlet>

        <servlet-name>dispatcher</servlet-name>

        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

        <load-on-startup>2</load-on-startup>

    </servlet>

    <servlet-mapping>

        <servlet-name>dispatcher</servlet-name>

        <url-pattern>*.htm</url-pattern>

    </servlet-mapping>

    <session-config>

        <session-timeout>

            30

        </session-timeout>

    </session-config>

    <welcome-file-list>

        <welcome-file>index.jsp</welcome-file>

    </welcome-file-list>

</web-app>

dispatcher-servlet.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:p="http://www.springframework.org/schema/p"

       xmlns:aop="http://www.springframework.org/schema/aop"

       xmlns:tx="http://www.springframework.org/schema/tx"

       xmlns:context="http://www.springframework.org/schema/context"

       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd

       http://www.springframework.org/schema/context  http://www.springframework.org/schema/context/spring-context-4.0.xsd

       http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd

       http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">

   

    <context:component-scan base-package="myspring" />

    <bean id="loggerInterceptor" class="myspring.LoggerInterceptor" ></bean>

    <bean id="secondloggerInterceptor" class="myspring.SecondLoggerInterceptor" ></bean>

     

   

    <bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping" >

        <property name="interceptors" >

            <list>

                <ref bean="loggerInterceptor"></ref>

                <ref bean="secondloggerInterceptor"></ref>

               

            </list>

        </property>

    </bean>

   

</beans>

MyController.java

===========

package myspring;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.servlet.ModelAndView;

@Controller

public class MyController {

    @RequestMapping("/hello.htm")

    public ModelAndView sayGreetings(){

        String msg = "Hi, This is my second Interceptor Spring MVC application";

        System.out.println("I am in MyController.");

    return new ModelAndView("/WEB-INF/jsp/hello.jsp","message",msg);

    }

   

}

LoggerInterceptor.java

==============

package myspring;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.ModelAndView;

import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

public class LoggerInterceptor extends HandlerInterceptorAdapter{

    @Override

    public boolean preHandle(HttpServletRequest request,HttpServletResponse response,Object handle) throws Exception{

   

        System.out.println("In first preHandle Method....");

    return true;

    }

    @Override

    public void postHandle(HttpServletRequest request,HttpServletResponse response,Object handle,ModelAndView modelAndView) throws Exception{

   

       

        System.out.println("In first post Handle method...");

    }

    @Override

    public void afterCompletion(HttpServletRequest request,HttpServletResponse response,Object handle,Exception ex) throws Exception{

        System.out.println("In first afterCompletion method...");

   

}

}

SecondLoggerInterceptor.java

===================

package myspring;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.HandlerInterceptor;

import org.springframework.web.servlet.ModelAndView;

public class SecondLoggerInterceptor implements HandlerInterceptor{

    @Override

    public boolean preHandle(HttpServletRequest hsr, HttpServletResponse hsr1, Object o) throws Exception {

        System.out.println("I am in second preHandle");

return true;       

    }

    @Override

    public void postHandle(HttpServletRequest hsr, HttpServletResponse hsr1, Object o, ModelAndView mav) throws Exception {

        System.out.println("I am in second postHandle");

    }

    @Override

    public void afterCompletion(HttpServletRequest hsr, HttpServletResponse hsr1, Object o, Exception excptn) throws Exception {

       System.out.println("I am in second afterCompletion");

    }

}

hello.jsp

======

${message}

<%

System.out.println("In View....");

%>