服务端发送xml请求java代码示例

/**
 *
 */
package com.autoyol.pay.cmb.core;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.SocketTimeoutException;
import java.net.URL;
import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ConnectTimeoutException;
import org.apache.http.conn.ConnectionPoolTimeoutException;
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;

/**
 * @author xxx
 * @function
 * @date 2016年3月23日
 * @version
 */
public class Sender {

    /**
     *
     * @param url
     * @param postDataXML
     * @return
     * @throws Exception
     */
    public static String sendRQ(String url, String postDataXML) throws Exception{
        String result = null;
        OutputStream out = null;
        InputStream is = null;
        ByteArrayOutputStream bos = null;
        HttpURLConnection urlc = null;
        try {
            URL urlacc = new URL(url);
            urlc = (HttpURLConnection) urlacc.openConnection();
            urlc.setConnectTimeout(100000);
            urlc.setReadTimeout(100000);
            urlc.setDoOutput(true);
            urlc.setDoInput(true);
            urlc.setUseCaches(false);
            urlc.setInstanceFollowRedirects(false);//是否自动处理重定向
            urlc.setRequestMethod("POST");

            out = urlc.getOutputStream();
            out.write(postDataXML.getBytes());
            out.flush();
            out.close();

            is = urlc.getInputStream();
            if(is!=null){
                bos = new ByteArrayOutputStream();
                byte[] receiveBuffer = new byte[2048];
                int readBytesSize = is.read(receiveBuffer);
                while(readBytesSize != -1){
                    bos.write(receiveBuffer, 0, readBytesSize);
                    readBytesSize = is.read(receiveBuffer);
                }
                result = new String(bos.toByteArray(), "UTF-8");
//                respXml= ParseUtil.parseXML(reqData,transInfo);
                //xml解析
                System.out.println("result="+result);
            }
        } catch (Exception e) {
//            System.out.println("发送TR1失败");
            e.printStackTrace();
//            logger.error("sendTR1 Exception2:",e);  //sendTR1 Exception2: java.net.NoRouteToHostException: 没有到主机的路由
//            throw e;  //异常再次抛出，解决sendTR1 Exception2: java.net.ConnectException: 连接超时 网络异常的情况。 160201 huangjing
        } finally{
            if(bos != null){
                bos.close();
            }
            if(is != null){
                try {
                    is.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if(out != null){
                try {
                    out.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if(urlc != null){
                urlc.disconnect();
            }
        }
        return result;
    }

    /**
     *
     * @param url
     * @param postDataXML
     * @return
     * @throws IOException
     * @throws KeyStoreException
     * @throws UnrecoverableKeyException
     * @throws NoSuchAlgorithmException
     * @throws KeyManagementException
     */
    public static String sendPost(String url, String postDataXML) throws IOException, KeyStoreException, UnrecoverableKeyException, NoSuchAlgorithmException, KeyManagementException {
        String result = null;
        HttpPost httpPost = new HttpPost(url);
        System.out.println("API，POST过去的数据是：" + postDataXML);
        //得指明使用UTF-8编码，否则到API服务器XML的中文不能被成功识别
        StringEntity postEntity = new StringEntity(postDataXML, "UTF-8");
        httpPost.addHeader("Content-Type", "text/xml");
        httpPost.setEntity(postEntity);
        //设置请求器的配置
        CloseableHttpClient httpClient = HttpClients.custom().build();
//        CloseableHttpClient httpClient = HttpClientBuilder.create().build();
        //根据默认超时限制初始化requestConfig
        RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(10000).setConnectTimeout(30000).build();
        httpPost.setConfig(requestConfig);
        System.out.println("executing request：" + httpPost.getRequestLine());
        try {
            HttpResponse response = httpClient.execute(httpPost);
            int httpStatusCode = response.getStatusLine().getStatusCode();
            if (httpStatusCode == HttpStatus.SC_OK) {
                HttpEntity entity = response.getEntity();
                result = EntityUtils.toString(entity, "UTF-8");
                System.out.println("result="+result);
            }else{
                System.err.println("Error,httpStatusCode is '{"+httpStatusCode+"}'");
            }
        } catch (ConnectionPoolTimeoutException e) {
            System.err.println("http get throw ConnectionPoolTimeoutException(wait time out)");
        } catch (ConnectTimeoutException e) {
            System.err.println("http get throw ConnectTimeoutException");
        } catch (SocketTimeoutException e) {
            System.err.println("http get throw SocketTimeoutException");
        } catch (Exception e) {
            System.err.println("http get throw Exception");
        } finally {
            httpPost.abort();
        }
        return result;
    }

}