package com.walker.web.interceptor;

import com.walker.infrastructure.ApplicationRuntimeException;
import com.walker.web.RequestAwareContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * 请求拦截器，暂未使用。
 * @@date 2022-11-08
 *
 */
@Deprecated
public class RequestAwareInterceptor implements HandlerInterceptor {

    protected final transient Logger logger = LoggerFactory.getLogger(this.getClass());

    @Override
    public void afterCompletion(HttpServletRequest request,
                                HttpServletResponse response, Object args, Exception exception)
            throws Exception {
//		clearRequestFromContext();
//        clearPageInfoFromContext();
//		clearResponseFromContext();
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response,
                           Object arg2, ModelAndView mv) throws Exception {

    }

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response,
                             Object arg2) throws Exception{
        return this.doPreHandleApplication(request, response);
    }

    /**
     * 业务系统可以覆盖该方法，在请求到达时做系统拦截。
     * @param request
     * @param response
     */
    protected boolean doPreHandleApplication(HttpServletRequest request, HttpServletResponse response) throws ApplicationRuntimeException {
        return true;
    }

    protected void addResponseToContext(HttpServletResponse response){
        RequestAwareContext.setCurrentResponse(response);
    }

    protected void clearResponseFromContext(){
        RequestAwareContext.clearCurrentResponse();
    }

    protected void clearRequestFromContext(){
        RequestAwareContext.clearCurrentRequest();
    }

    protected void addRequestToContext(HttpServletRequest request){
        RequestAwareContext.setCurrentRequest(request);
    }
}