package com.hx.util;

import org.apache.commons.io.IOUtils;

import javax.servlet.http.HttpServletRequest;
import java.io.BufferedReader;
import java.io.IOException;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;

/** HttpServletRequestUtil  获取请求中的body
 * @author wangrenhuang
 * @Date 2021-10-19
 */
public class HttpServletRequestUtil {

    /**
    * 获取bady
    * */
    public static String getBody(HttpServletRequest request) {
        String wxMsgXml = null;
        if(request == null){
            return wxMsgXml;
        }
        try{
            wxMsgXml = IOUtils.toString(request.getInputStream(),
                    "utf-8");
            return wxMsgXml;
        }catch (Exception e){
            wxMsgXml = null;
        }
        return wxMsgXml;
    }


    /**
    *
    * 获取请求头
    * */
    public static Map<String,String> getHeader(HttpServletRequest request) {
        Enumeration<String> enumeration = request.getHeaderNames();
        Map<String,String> map = new HashMap<>(16);
        StringBuffer headers = new StringBuffer();
        while (enumeration.hasMoreElements()) {
            String name = enumeration.nextElement();
            String value = request.getHeader(name);
            map.put(name,value);
        }

        return map;
    }
}