package com.dsh.course.util.httpClinet;
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import com.alibaba.fastjson.JSON;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import org.apache.http.NameValuePair;
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import org.apache.http.client.config.RequestConfig;
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import org.apache.http.client.entity.UrlEncodedFormEntity;
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import org.apache.http.client.methods.CloseableHttpResponse;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
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import org.apache.http.entity.ContentType;
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import org.apache.http.entity.StringEntity;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClients;
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import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
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import org.apache.http.message.BasicNameValuePair;
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import org.apache.http.ssl.SSLContexts;
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import org.apache.http.util.EntityUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import javax.net.ssl.SSLContext;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.InputStream;
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import java.nio.charset.Charset;
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import java.security.KeyStore;
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import java.text.SimpleDateFormat;
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import java.util.*;
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import java.util.concurrent.TimeUnit;
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/**
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* http工具类
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*/
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public class HttpClientUtil {
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private static Logger logger = LoggerFactory.getLogger(HttpClientUtil.class);
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private static PoolingHttpClientConnectionManager connectionManager;
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{
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//1.创建连接池管理器
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connectionManager = new PoolingHttpClientConnectionManager(60000,
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TimeUnit.MILLISECONDS);
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connectionManager.setMaxTotal(1000);
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connectionManager.setDefaultMaxPerRoute(50);
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}
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/**
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* 创建一个httpClient对象
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*/
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private static CloseableHttpClient getHttpCline() {
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return HttpClients.custom()
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.setConnectionManager(connectionManager)
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.disableAutomaticRetries()
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.build();
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}
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private static RequestConfig getRequestConfig() {
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RequestConfig.Builder builder = RequestConfig.custom();
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builder.setSocketTimeout(60000)//3.1设置客户端等待服务端返回数据的超时时间
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.setConnectTimeout(30000)//3.2设置客户端发起TCP连接请求的超时时间
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.setExpectContinueEnabled(true)
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.setConnectionRequestTimeout(30000);//3.3设置客户端从连接池获取链接的超时时间
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return builder.build();
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}
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/**
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* 创建一个POST请求实例
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*
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* @param url 请求地址
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* @param params 请求参数
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*/
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private static CloseableHttpResponse setPostHttpRequset(String url, Map<String, Object> params, Map<String, String> header, String contentType) throws Exception {
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HttpPost httpPost = new HttpPost(url);
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httpPost.setConfig(getRequestConfig());
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if (null != header) {
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for (String key : header.keySet()) {
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httpPost.setHeader(key, header.get(key));
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}
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}
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List<NameValuePair> list = new ArrayList<>();
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if (null != params) {
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Set<String> keys = params.keySet();
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for (String key : keys) {
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list.add(new BasicNameValuePair(key, null == params.get(key) ? null : params.get(key).toString()));
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}
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}
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switch (contentType) {
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case "form":
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httpPost.setEntity(new UrlEncodedFormEntity(list, "UTF-8"));
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break;
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case "json":
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ObjectMapper objectMapper = new ObjectMapper();
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String s = objectMapper.writeValueAsString(params);
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httpPost.setEntity(new StringEntity(s, ContentType.create(ContentType.APPLICATION_JSON.getMimeType(), Charset.forName("UTF-8"))));
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break;
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}
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return getHttpCline().execute(httpPost);
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}
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/**
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* 获取get请求实例
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*
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* @param url 请求地址
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* @param params 请求参数
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*/
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private static CloseableHttpResponse setGetHttpRequset(String url, Map<String, Object> params, Map<String, String> header) throws Exception {
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StringBuffer sb = new StringBuffer();
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String p = "";
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if (null != params) {
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Set<String> keys = params.keySet();
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for (String key : keys) {
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sb.append(key + "=" + params.get(key) + "&");
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}
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p = "?" + sb.substring(0, sb.length() - 1);
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}
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HttpGet httpGet = new HttpGet(url + p);
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httpGet.setConfig(getRequestConfig());
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if (null != header) {
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for (String key : header.keySet()) {
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httpGet.setHeader(key, header.get(key));
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}
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}
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return getHttpCline().execute(httpGet);
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}
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/**
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* 发送http请求
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*
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* @param mothed "GET、POST、PUT、HEAD、DELETE、HEAD、OPTIONS"
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* @param url 请求地址
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* @param params 请求参数
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* @param header 请求头
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* @param contentType 参数请求方式form/json
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* @return
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*/
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public static HttpResult pushHttpRequset(String mothed, String url, Map<String, Object> params, Map<String, String> header, String contentType) throws Exception {
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String randome = UUID.randomUUID().toString();
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.S");
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logger.info(sdf.format(new Date()) + "----（" + randome + "）请求参数：" + JSON.toJSONString(params));
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CloseableHttpResponse httpResponse = null;
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switch (mothed) {
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case "GET":
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httpResponse = setGetHttpRequset(url, params, header);
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break;
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case "POST":
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httpResponse = setPostHttpRequset(url, params, header, contentType);
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break;
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}
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int statusCode = httpResponse.getStatusLine().getStatusCode();
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String content = EntityUtils.toString(httpResponse.getEntity(), "UTF-8");
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logger.info(sdf.format(new Date()) + "----（" + randome + "）返回结果：" + content);
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HttpResult httpResult = HttpResult.getHttpResult(statusCode, content);
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close(httpResponse);
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return httpResult;
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}
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/**
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* 发送XML请求
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*
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* @param url 请求地址
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* @param xml XML数据
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* @param header 自定义请求头
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* @return
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*/
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public static HttpResult pushHttpRequsetXml(String url, String xml, Map<String, String> header) throws Exception {
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HttpPost httpPost = new HttpPost(url);
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httpPost.setConfig(getRequestConfig());
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for (String key : header.keySet()) {
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httpPost.setHeader(key, header.get(key));
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}
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httpPost.setHeader("Content-Type", "application/xml");
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httpPost.setEntity(new StringEntity(xml, "UTF-8"));
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CloseableHttpResponse httpResponse = getHttpCline().execute(httpPost);
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int statusCode = httpResponse.getStatusLine().getStatusCode();
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String content = EntityUtils.toString(httpResponse.getEntity(), "UTF-8");
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HttpResult httpResult = HttpResult.getHttpResult(statusCode, content);
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close(httpResponse);
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return httpResult;
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}
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/**
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* 请求https发送XML请求
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*
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* @param url 接口路径
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* @param xml 内容
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* @param header 请求头
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* @param certPassword 证书密码
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* @param certPath 证书路径
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* @param certType 证书类型
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* @return
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* @throws Exception
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*/
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public static String pushHttpsRequsetXml(String url, String xml, Map<String, String> header, String certPassword, String certPath, String certType) throws Exception {
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HttpPost httpPost = new HttpPost(url);
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for (String key : header.keySet()) {
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httpPost.setHeader(key, header.get(key));
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}
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httpPost.setHeader("Content-Type", "application/xml");
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httpPost.setEntity(new StringEntity(xml, "UTF-8"));
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CloseableHttpClient httpCline = initCert(certPassword, certPath, certType);
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CloseableHttpResponse httpResponse = httpCline.execute(httpPost);
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String content = null;
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if (httpResponse.getStatusLine().getStatusCode() == 200) {
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content = EntityUtils.toString(httpResponse.getEntity(), "UTF-8");
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} else {
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content = "返回状态码：" + httpResponse.getStatusLine() + "。" + EntityUtils.toString(httpResponse.getEntity());
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}
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close(httpResponse);
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httpCline.close();
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return content;
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}
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/**
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* 初始化https对象（带证书）
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*
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* @param key 证书密码
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* @param certPath 证书路径
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* @param certType 证书类型
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* @throws Exception
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*/
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private static CloseableHttpClient initCert(String key, String certPath, String certType) throws Exception {
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KeyStore keyStore = KeyStore.getInstance(certType);
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InputStream inputStream = new FileInputStream(new File(certPath));
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try {
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keyStore.load(inputStream, key.toCharArray());
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} finally {
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inputStream.close();
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}
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SSLContext sslcontext = SSLContexts.custom().loadKeyMaterial(keyStore, key.toCharArray()).build();
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SSLConnectionSocketFactory sslsf =
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new SSLConnectionSocketFactory(sslcontext, new String[]{"TLSv1"}, null,
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SSLConnectionSocketFactory.BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
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return HttpClients.custom().setSSLSocketFactory(sslsf).build();
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}
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/**
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* 关闭资源
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*/
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private static void close(CloseableHttpResponse httpResponse) {
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try {
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if (null != httpResponse) {
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EntityUtils.consume(httpResponse.getEntity());//此处高能，通过源码分析，由EntityUtils是否回收HttpEntity
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httpResponse.close();
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}
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} catch (Exception e) {
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e.printStackTrace();
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} finally {
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try {
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if (null != httpResponse) {
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httpResponse.close();
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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}
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