package com.common.utils;

import java.io.IOException;

import java.net.URLDecoder;

import java.util.Map;

import org.apache.http.HttpResponse;

import org.apache.http.HttpStatus;

import org.apache.http.client.HttpClient;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.entity.StringEntity;

import org.apache.http.impl.client.HttpClientBuilder;

import org.apache.http.util.EntityUtils;

import com.alibaba.fastjson.JSONObject;

public class HttpRequestUtils {

//    private static Logger logger = LoggerFactory.getLogger(HttpRequestUtils.class);    //日志记录

    /**

     * httpPost

     * @param url  路径

     * @param jsonParam 参数

     * @return

     */

    public static JSONObject httpPost(String url,JSONObject jsonParam){

        return httpPost(url, jsonParam, false);

    }

    /**

     * httpPost

     * @param url  路径

     * @param jsonParam 参数

     * @return

     */

    public static JSONObject httpPost(String url,JSONObject jsonParam, JSONObject header){

        return httpPost(url, jsonParam, header, false);

    }

    /**

     * post请求

     * @param url         url地址

     * @param jsonParam     参数

     * @param noNeedResponse    不需要返回结果

     * @return

     */

    public static JSONObject httpPost(String url,JSONObject jsonParam, boolean noNeedResponse){

        //post请求返回结果

        HttpClient httpClient = HttpClientBuilder.create().build();

        JSONObject jsonResult = null;

        HttpPost method = new HttpPost(url);

        try {

            if (null != jsonParam) {

                //解决中文乱码问题

                StringEntity entity = new StringEntity(jsonParam.toString(), "utf-8");

                entity.setContentEncoding("UTF-8");

                entity.setContentType("application/json");

                method.setEntity(entity);

            }

            HttpResponse result = httpClient.execute(method);

            url = URLDecoder.decode(url, "UTF-8");

            /**请求发送成功，并得到响应**/

            if (result.getStatusLine().getStatusCode() == 200) {

                String str = "";

                try {

                    /**读取服务器返回过来的json字符串数据**/

                    str = EntityUtils.toString(result.getEntity());

                    if (noNeedResponse) {

                        return null;

                    }

                    /**把json字符串转换成json对象**/

                    jsonResult = JSONObject.parseObject(str);

                } catch (Exception e) {

//                    logger.error("post请求提交失败:" + url, e);

                }

            }

        } catch (IOException e) {

//            logger.error("post请求提交失败:" + url, e);

        }

        return jsonResult;

    }

    /**

     * post请求

     * @param url         url地址

     * @param jsonParam     参数

     * @param noNeedResponse    不需要返回结果

     * @return

     */

    public static JSONObject httpPost(String url,JSONObject jsonParam, JSONObject header, boolean noNeedResponse){

        //post请求返回结果

        HttpClient httpClient = HttpClientBuilder.create().build();

        JSONObject jsonResult = null;

        HttpPost method = new HttpPost(url);

        for (Map.Entry<String, Object> entry : header.entrySet()) {

            method.setHeader(entry.getKey(), entry.getValue().toString());

        }

        try {

            if (null != jsonParam) {

                //解决中文乱码问题

                StringEntity entity = new StringEntity(jsonParam.toString(), "utf-8");

                entity.setContentEncoding("UTF-8");

                entity.setContentType("application/json");

                method.setEntity(entity);

            }

            HttpResponse result = httpClient.execute(method);

            url = URLDecoder.decode(url, "UTF-8");

            /**请求发送成功，并得到响应**/

            if (result.getStatusLine().getStatusCode() == 200) {

                String str = "";

                try {

                    /**读取服务器返回过来的json字符串数据**/

                    str = EntityUtils.toString(result.getEntity());

                    if (noNeedResponse) {

                        return null;

                    }

                    /**把json字符串转换成json对象**/

                    jsonResult = JSONObject.parseObject(str);

                } catch (Exception e) {

//                    logger.error("post请求提交失败:" + url, e);

                }

            }

        } catch (IOException e) {

//            logger.error("post请求提交失败:" + url, e);

        }

        return jsonResult;

    }

    /**

     * 发送get请求

     * @param url    路径

     * @return

     */

    public static JSONObject httpGet(String url){

        //get请求返回结果

        JSONObject jsonResult = null;

        try {

            HttpClient client = HttpClientBuilder.create().build();

            //发送get请求

            HttpGet request = new HttpGet(url);

            HttpResponse response = client.execute(request);

            /**请求发送成功，并得到响应**/

            if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {

                /**读取服务器返回过来的json字符串数据**/

                String strResult = EntityUtils.toString(response.getEntity());

                /**把json字符串转换成json对象**/

                jsonResult = JSONObject.parseObject(strResult);

                url = URLDecoder.decode(url, "UTF-8");

            } else {

//                logger.error("get请求提交失败:" + url);

            }

        } catch (IOException e) {

//            logger.error("get请求提交失败:" + url, e);

        }

        return jsonResult;

    }

}