Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package org.consultjr.mvc.core.components; import java.util.Enumeration; import java.util.HashMap; import java.util.Map; import javax.interceptor.Interceptor; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.stereotype.Component; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.handler.HandlerInterceptorAdapter; /** * * @author Rafael */ @Interceptor @Component public class ApplicationInterceptor extends HandlerInterceptorAdapter { private Logger logger = LoggerFactory.getLogger(ApplicationInterceptor.class); private HttpSession getSession(HttpServletRequest request) { return request.getSession(); } @Override public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception { String queryString = request.getQueryString(); String uri = request.getRequestURI(); StringBuffer url = request.getRequestURL(); HttpSession session = this.getSession(request); Enumeration attributes = session.getAttributeNames(); Map<String, Object> sessionAttributes = new HashMap<>(); logger.debug("URL: {}", url); logger.debug("URI: {}", uri); logger.debug("QUERY STRING: {}", queryString); logger.debug("Handler Object: {}", handler); while (attributes.hasMoreElements()) { String name = (String) attributes.nextElement(); sessionAttributes.put(name, session.getAttribute(name)); } logger.debug("Session: {}", sessionAttributes); return true; } @Override public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception { //modelAndView.getModelMap().addAttribute("_productType", sysConfigService.getConfigByKey("_productType")); } @Override public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception { super.afterCompletion(request, response, handler, ex); //To change body of generated methods, choose Tools | Templates. } }