package com.olm.del;

import com.olm.util.JSONUtils;
import org.apache.http.HttpResponse;
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.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import java.util.HashMap;
import java.util.Map;

/**
 * ClassName:HttpClientUtil Package:com.olm.util Date:2020/7/27 Auth:penghui@olm.com.cn
 */

/**
 * HttpClient工具类
 */
public class HttpClientUtilBak {

    /**请求编码*/
    private static final String DEFAULT_CHARSET = "UTF-8";

    /**
     * 执行HTTP POST请求
     * @param url url
     * @param param 参数
     * @return
     */
    public static String httpPostWithJSON(String url, Map<String, ?> param) {
        CloseableHttpClient client = null;
        try {
            if (url == null || url.trim().length() == 0) {
                throw new Exception("URL is null");
            }
            HttpPost httpPost = new HttpPost(url);
            client = HttpClients.createDefault();
            if (param != null) {
                StringEntity entity = new StringEntity(JSONUtils.toJSONString(param), DEFAULT_CHARSET);//解决中文乱码问题
                entity.setContentEncoding(DEFAULT_CHARSET);
                entity.setContentType("application/json");
                httpPost.setEntity(entity);
            }
            HttpResponse resp = client.execute(httpPost);
            if (resp.getStatusLine().getStatusCode() == 200) {
                return EntityUtils.toString(resp.getEntity(), DEFAULT_CHARSET);
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            close(client);
        }
        return null;
    }

    /**
     * 执行HTTP GET请求
     * @param url url
     * @param param 参数
     * @return
     */
    public static String httpGetWithJSON(String url, Map<String, ?> param) {
        CloseableHttpClient client = null;
        try {
            if (url == null || url.trim().length() == 0) {
                throw new Exception("URL is null");
            }
            client = HttpClients.createDefault();
            if (param != null) {
                StringBuffer sb = new StringBuffer("?");
                for (String key : param.keySet()) {
                    sb.append(key).append("=").append(param.get(key)).append("&");
                }
                url = url.concat(sb.toString());
                url = url.substring(0, url.length() - 1);
            }
            HttpGet httpGet = new HttpGet(url);
            httpGet.addHeader("Accept", "text/html");
            httpGet.addHeader("Accept-Charset", "utf-8");
            httpGet.addHeader("Accept-Encoding", "gzip");
            httpGet.addHeader("Accept-Language", "en-US,en");
            //httpGet.addHeader("Authorization","Bearer ca4b6e4550d791b636e9a1d06869985fc0c2e1314ba85392a76bc94fc58b3ca9.MzYxNzk1");
            httpGet.addHeader("User-Agent", "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.22 (KHTML, like Gecko) Chrome/25.0.1364.160 Safari/537.22");

            HttpResponse resp = client.execute(httpGet);
            if (resp.getStatusLine().getStatusCode() == 200) {
                return EntityUtils.toString(resp.getEntity(), DEFAULT_CHARSET);
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            close(client);
        }
        return null;
    }

    /**
     * 关闭HTTP请求
     * @param client
     */
    private static void close(CloseableHttpClient client) {
        if (client == null) {
            return;
        }
        try {
            client.close();
        } catch (Exception e) {
        }
    }

    public static void main(String[] args) throws Exception {
        Map param = new HashMap();
        param.put("grant_type", "password");
        param.put("Client_Id", "c97fbd8aca50ba94068da6ded23905df");
        param.put("Client_Secret", "7a4d178ebf1d55229fd28c5cb18703da");
        param.put("Redirect_Uri", "https://api.xiaoshouyi.com");
        param.put("userName", "");
        param.put("password", "");

        String result = httpPostWithJSON("https://api.xiaoshouyi.com/oauth2/token", param);
        //String result = httpGetWithJSON("https://api.xiaoshouyi.com/oauth2/token", param);
        System.out.println("result:" + result);
    }


}