HttpClient 发送Json

    import com.fasterxml.jackson.databind.ObjectMapper;    import msxf.model.People;    import msxf.until.ImpalaJdbc;    import msxf.until.NowDate;    import org.apache.commons.configuration.PropertiesConfiguration;    import org.apache.http.HttpStatus;    import org.apache.http.client.methods.CloseableHttpResponse;    import org.apache.http.client.methods.HttpUriRequest;    import org.apache.http.client.methods.RequestBuilder;    import org.apache.http.entity.StringEntity;    import org.apache.http.impl.client.CloseableHttpClient;    import org.apache.http.impl.client.DefaultHttpRequestRetryHandler;    import org.apache.http.impl.client.HttpClientBuilder;    import org.apache.http.message.BasicHeader;    import org.apache.http.protocol.HTTP;    import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;    import java.util.HashMap;    import java.util.List;    import java.util.Map;   /**     * Created by shengjk1  on 2016/6/23.     */    public class Main {        private final static org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(Main.class);        private static long c =System.currentTimeMillis();        public static void main(String[] args) {            try {                //impala 查询返回，peopleList                List<People> peopleList= ImpalaJdbc.connImpala();                Map ma=new HashMap();                ma.put("sendtime", NowDate.nowDate());                if(peopleList.size()==0){                    logger.info("peopleList.size()==0");                }                ma.put("data",peopleList);                ObjectMapper om=new ObjectMapper();                PropertiesConfiguration pro =new PropertiesConfiguration("conf.properties");                String serviceAddr=pro.getString("serviceAddr");                logger.info("serviceAddr "+serviceAddr);                //将对象变为json                String jsonStr=om.writeValueAsString(ma);    //          System.out.println(jsonStr);                CloseableHttpResponse httpResponse=null;                CloseableHttpClient httpClient= HttpClientBuilder.create().setRetryHandler(new DefaultHttpRequestRetryHandler()).build();                //设置超时时间                HttpComponentsClientHttpRequestFactory factory = new HttpComponentsClientHttpRequestFactory(httpClient);                factory.setConnectTimeout(1000*60*6); //单位毫秒                factory.setReadTimeout(1000*60*5);                //解决中文乱码                StringEntity stringEntity=new StringEntity(jsonStr,"UTF-8");                stringEntity.setContentEncoding(new BasicHeader(HTTP.CONTENT_TYPE, "application/json"));                HttpUriRequest httpUriRequest= RequestBuilder.post(serviceAddr).setEntity(stringEntity).build();                httpResponse=httpClient.execute(httpUriRequest);                logger.info(" 发送 ");                int statusCode=httpResponse.getStatusLine().getStatusCode();                if(statusCode== HttpStatus.SC_OK){    //              HttpEntity entity = httpResponse.getEntity();    //              InputStream in =entity.getContent();                    logger.info("====文件传输服务器正常响应！");                    long d =System.currentTimeMillis();                    logger.info("结束 "+(d-c)/1000 +" s");                }else {                    logger.info("====文件传输服务器未正常响应！");                }            }catch (Exception e) {                logger.error(e);            }        }    }