Spring MVC Interceptor

<mvc:interceptors>
        <mvc:interceptor> 
            <mvc:mapping path="/saveObjectInstance.do"/>  
            <mvc:mapping path="/createObjectInstance.do"/>  
            <mvc:mapping path="/cloneObjectInstance.do"/> 
            <bean class="com.hp.it.qdpadmin.web.interceptor.ValidationInterceptor" /> 
        </mvc:interceptor>
</mvc:interceptors>

public class ValidationInterceptor implements HandlerInterceptor {

    private final Logger logger = Logger.getLogger(this.getClass());

    @Override
    public void afterCompletion(HttpServletRequest arg0,
            HttpServletResponse arg1, Object arg2, Exception arg3)
            throws Exception {

    }

    @Override
    public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1,
            Object arg2, ModelAndView arg3) throws Exception {

    }

    @Override
    public boolean preHandle(HttpServletRequest request,
            HttpServletResponse response, Object arg2) throws Exception {
        //do validation
               return false;
       }
}