package com.ruoyi.common.utils.http;

import java.io.*;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import javax.servlet.ServletRequest;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import static java.util.Collections.replaceAll;

/**
 * 通用http工具封装
 * 
 * @author ruoyi
 */
public class HttpHelper
{
    private static final Logger LOGGER = LoggerFactory.getLogger(HttpHelper.class);

    /**
     * url编码 + 空格替换为 %20 %3A 替换为 : 主要是处理时间转换问题
     * @param str
     * @param charset
     * @return
     * @throws UnsupportedEncodingException
     */
    public static String UrlEncode(String str, String charset) throws UnsupportedEncodingException {
        return URLEncoder.encode(str, charset).replaceAll("\\+", "%20").replaceAll("%3A", ":");
    }

    public static String getBodyString(ServletRequest request)
    {
        StringBuilder sb = new StringBuilder();
        BufferedReader reader = null;
        try (InputStream inputStream = request.getInputStream())
        {
            reader = new BufferedReader(new InputStreamReader(inputStream, StandardCharsets.UTF_8));
            String line = "";
            while ((line = reader.readLine()) != null)
            {
                sb.append(line);
            }
        }
        catch (IOException e)
        {
            LOGGER.warn("getBodyString出现问题！");
        }
        finally
        {
            if (reader != null)
            {
                try
                {
                    reader.close();
                }
                catch (IOException e)
                {
                    LOGGER.error(ExceptionUtils.getMessage(e));
                }
            }
        }
        return sb.toString();
    }
}