[spring] handlerInterceptor calls in order

Spring interceptor works before or after a controller called.

• Usage : Login check, common validation check, set up uri parameter
• todo: implement prehandle(), postHandle(), or AfterCompletion() method

<handler calls in order> before controller called : preHandle() works after controller called: postHandle()  works After view made : afterCompletion() works

xml file <bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">       <propery name="interceptors">            <list>                   <ref bean="interceptor1"/>                   <ref bean="interceptor2"/>                   </list>               </property>         </bean>

Specific handler Calls in order preHandler() works interceptor1.preHandle() interceptor2.preHandle() handleRequest() at Controller postHandler() works interceptor2.postHandle() interceptor1.postHandle() render() at View Object called and makes the result for response afterCompletion() works interceptor2.afterCompletion() interceptor1.afterCompletion()

reference: 최범균 - 웹개발자를 위한 Spring3.0 프로그래밍