package com.hollywood.common.utils;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.http.Consts;
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import org.apache.http.HttpResponse;
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import org.apache.http.HttpStatus;
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import org.apache.http.client.ClientProtocolException;
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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.client.methods.HttpUriRequest;
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import org.apache.http.client.protocol.HttpClientContext;
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import org.apache.http.client.utils.URIBuilder;
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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.HttpClientBuilder;
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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.util.EntityUtils;
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import java.io.IOException;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.nio.charset.StandardCharsets;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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@Slf4j
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public class HttpUtils {
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//请求超时时间
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private final static Integer TIME_OUT = 8 * 1000;
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//http连接池
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private static volatile PoolingHttpClientConnectionManager poolingHttpClientConnectionManager;
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//请求配置
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private static RequestConfig requestConfig;
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public static PoolingHttpClientConnectionManager getPoolingHttpClientConnectionManager() {
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if (poolingHttpClientConnectionManager == null) {
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synchronized (HttpUtils.class) {
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if (poolingHttpClientConnectionManager == null) {
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poolingHttpClientConnectionManager = new PoolingHttpClientConnectionManager();
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//连接池最大连接数
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poolingHttpClientConnectionManager.setMaxTotal(1024);
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//每个路由最大连接数
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poolingHttpClientConnectionManager.setDefaultMaxPerRoute(32);
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//配置请求的超时设置
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requestConfig =
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RequestConfig.custom().setConnectionRequestTimeout(TIME_OUT).setConnectTimeout(TIME_OUT).setSocketTimeout(TIME_OUT).build();
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}
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}
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}
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return poolingHttpClientConnectionManager;
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}
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public static CloseableHttpClient getHttpClient() {
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return HttpClients.custom().setConnectionManager(getPoolingHttpClientConnectionManager()).setDefaultRequestConfig(requestConfig).build();
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}
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/**
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* 请求发送执行
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*
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* @param httpMethd
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* @return
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*/
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public static String registRequest(HttpUriRequest httpMethd) {
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CloseableHttpClient httpClient = getHttpClient();
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try (CloseableHttpResponse httpResponse = httpClient.execute(httpMethd, HttpClientContext.create())) {
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int statusCode = httpResponse.getStatusLine().getStatusCode();
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if (httpResponse.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
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log.error("响应失败 statusCode {}", statusCode);
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httpMethd.abort();
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}
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log.debug("响应成功 statusCode {}", statusCode);
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String response = EntityUtils.toString(httpResponse.getEntity(), Consts.UTF_8);
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log.debug("响应成功 response {}", response);
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return response;
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} catch (Exception e) {
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throw new RuntimeException("请求失败", e);
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}
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}
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public static List<BasicNameValuePair> toPairs(Map<String, Object> params) {
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List<BasicNameValuePair> pairs = new ArrayList<>(params.size());
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if (params != null && !params.isEmpty()) {
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pairs = params.entrySet().stream().map(entry -> new BasicNameValuePair(entry.getKey(),
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entry.getValue().toString())).collect(Collectors.toList());
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}
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return pairs;
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}
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/**
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* get url请求
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*
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* @param url
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* @return
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*/
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public static String get(String url) {
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HttpGet request = new HttpGet();
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try {
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request.setURI(new URI(url));
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return registRequest(request);
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} catch (Exception e) {
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log.error("请求失败", e);
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}
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return null;
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}
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/***
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* get请求(带参数)
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* @param url
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* @return String
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*/
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public static String getReq(String url, Map<String, String> params) {
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String result = null;
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try {
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URIBuilder uriBuilder = new URIBuilder(url);
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Iterator maplist = params.entrySet().iterator();
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while (maplist.hasNext()) {
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Map.Entry<String, String> map = (Map.Entry<String, String>) maplist.next();
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uriBuilder.addParameter(map.getKey(), map.getValue());
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}
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CloseableHttpClient client = HttpClientBuilder.create().build();
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HttpGet get = new HttpGet(uriBuilder.build());
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get.addHeader("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.81 Safari/537.36");
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HttpResponse response = client.execute(get);
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result = EntityUtils.toString(response.getEntity(), "UTF-8");
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} catch (URISyntaxException e) {
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e.printStackTrace();
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} catch (ClientProtocolException e) {
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e.printStackTrace();
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} catch (IOException e) {
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e.printStackTrace();
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}
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return result;
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}
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/**
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* PSOT URL方式提交
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*
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* @param url 请求url
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* @param params 请求参数
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* @return
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*/
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public static String postFromUrl(String url, Map<String, Object> params) {
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HttpPost request = new HttpPost(url);
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request.setEntity(new UrlEncodedFormEntity(toPairs(params), Consts.UTF_8));
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try {
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return registRequest(request);
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} catch (Exception e) {
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log.error("请求失败", e);
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}
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return null;
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}
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/**
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* PSOT JSON方式提交
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*
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* @param url 请求url
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* @param params json串
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* @return
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*/
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public static String postFromJson(String url, String params) {
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HttpPost request = new HttpPost(url);
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request.setHeader("Content-type", "application/json");
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request.setHeader("Accept", "application/json");
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RequestConfig requestConfig = RequestConfig.custom()
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.setSocketTimeout(8000)
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.setConnectTimeout(6000)
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.build();
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request.setConfig(requestConfig);
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StringEntity entity = new StringEntity(params, StandardCharsets.UTF_8);
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entity.setContentType("application/json");
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request.setEntity(entity);
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try {
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return registRequest(request);
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} catch (Exception e) {
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log.error("请求失败", e);
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}
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return null;
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}
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}
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