package com.boman.system.common;

import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

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

/**
 * @author shiqian
 * @description
 * @date 2021年03月22日 09:38
 **/
public class RequestUtil {

    public RequestUtil() {
    }

    public static User getUser() {
        ServletRequestAttributes attrs = (ServletRequestAttributes)RequestContextHolder.getRequestAttributes();
        if (attrs != null) {
            HttpServletRequest request = attrs.getRequest();
            if (request.getAttribute("user") != null) {
                return (User)request.getAttribute("user");
            }
        }

        return null;
    }

    public static HttpServletRequest getRequest() {
        ServletRequestAttributes attrs = (ServletRequestAttributes)RequestContextHolder.getRequestAttributes();
        if (attrs != null) {
            return attrs.getRequest();
        } else {
            return null;
        }
    }

    public static Object getAttribute(String name) {
        ServletRequestAttributes attrs = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        if (attrs != null) {
            HttpServletRequest request = attrs.getRequest();
            return request.getAttribute(name);
        } else {
            return null;
        }
    }

    public static String getParameter(String name) {
        ServletRequestAttributes attrs = (ServletRequestAttributes)RequestContextHolder.getRequestAttributes();
        if (attrs != null) {
            HttpServletRequest request = attrs.getRequest();
            return request.getParameter(name);
        } else {
            return null;
        }
    }

    public static HttpServletRequest getRequet() {
        ServletRequestAttributes attrs = (ServletRequestAttributes)RequestContextHolder.getRequestAttributes();
        return attrs != null ? attrs.getRequest() : null;
    }

    public static HttpServletResponse getResponse() {
        ServletRequestAttributes attrs = (ServletRequestAttributes)RequestContextHolder.getRequestAttributes();
        return attrs != null ? attrs.getResponse() : null;
    }
}