运行环境：java8+springboot
package com.test.appstore.common.utils;
import com.alibaba.fastjson2.JSON;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import okhttp3.*;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;
import javax.annotation.PostConstruct;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.io.IOException;
import java.net.URL;
import java.security.cert.X509Certificate;
import java.util.Collections;
import java.util.Map;
import java.util.concurrent.TimeUnit;
/**
* @description: okhttp 请求工具类
*/
@Component
@Slf4j
public class HttpClientUtil {
private OkHttpClient client = null;
private OkHttpClient unsafeOkHttpClient = null;
private static final String UNEXPECTED_CODE_TEXT = "unexpected code ";
@Value("${data.center.name}")
private String dataCenterName;
@PostConstruct
public void init() {
client = getsafeOkHttpClient();
log.info("init OkHttpClient");
unsafeOkHttpClient = getUnsafeOkHttpClient();
log.info("init unsafeOkHttpClient");
}
private OkHttpClient getsafeOkHttpClient() {
return new OkHttpClient.Builder()
.connectionSpecs(Collections.singletonList(ConnectionSpec.COMPATIBLE_TLS))
.connectTimeout(2, TimeUnit.SECONDS)
.writeTimeout(2, TimeUnit.SECONDS)
.readTimeout(2, TimeUnit.SECONDS)
.build();
}
@SneakyThrows
private OkHttpClient getUnsafeOkHttpClient() {
final TrustManager[] trustAllCerts = new TrustManager[]{
new X509TrustManager() {
@Override
public void checkClientTrusted(X509Certificate[] chain, String authType) {
}
@Override
public void checkServerTrusted(X509Certificate[] chain, String authType) {
}
@Override
public X509Certificate[] getAcceptedIssuers() {
return new X509Certificate[0];
}
}
};
// 创建一个不验证证书的 SSLContext，并使用上面的TrustManager初始化
SSLContext sslContext = SSLContext.getInstance("SSL");
sslContext.init(null, trustAllCerts, new java.security.SecureRandom());
// 使用上面创建的SSLContext创建一个SSLSocketFactory
javax.net.ssl.SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
return new OkHttpClient.Builder()
.connectionSpecs(Collections.singletonList(ConnectionSpec.COMPATIBLE_TLS))
.connectTimeout(2, TimeUnit.SECONDS)
.writeTimeout(2, TimeUnit.SECONDS)
.readTimeout(2, TimeUnit.SECONDS)
.sslSocketFactory(sslSocketFactory, (X509TrustManager) trustAllCerts[0])
.hostnameVerifier((s, sslSession) -> true)
.build();
}
@SneakyThrows
private OkHttpClient selectOkHttpClient(String urlStr) {
if (dataCenterName.equalsIgnoreCase("DEV") || dataCenterName.startsWith("TEST-")) {
URL url = new URL(urlStr);
String hostName = url.getHost();
if (hostName.matches("[0-9\.]+")) {
return unsafeOkHttpClient;
} else {
return client;
}
}
return client;
}
@SneakyThrows
public String get(String url, Map<String, String> headMap, Map<String, Object> bodyParams) {
url = UrlUtil.appendParamsUrl(url, bodyParams);
Request.Builder requestBuilder = new Request.Builder().url(url);
if (!CollectionUtils.isEmpty(headMap)) {
Headers headers = Headers.of(headMap);
requestBuilder.headers(headers);
}
log.info("get request: url={}, heads={}", url, headMap);
Request request = requestBuilder.build();
Response response = client.newCall(request).execute();
if (!response.isSuccessful()) {
throw new IOException(UNEXPECTED_CODE_TEXT + response);
}
if (response.body() == null) {
log.warn("get response body is null");
return null;
}
return response.body().string();
}
/**
* request by application/json
*
* @param url
* @param headMap
* @param bodyParams
* @return
*/
@SneakyThrows
public String postJson(String url, Map<String, String> headMap, Map<String, Object> bodyParams) {
MediaType mediaType = MediaType.parse("application/json; charset=utf-8");
Request.Builder requestBuilder = new Request.Builder().url(url);
if (!CollectionUtils.isEmpty(headMap)) {
Headers headers = Headers.of(headMap);
requestBuilder.headers(headers);
}
log.info("postJson request: url={}, heads={}, bodyParams={}", url, headMap, bodyParams);
RequestBody body = RequestBody.create(mediaType, JSON.toJSONString(bodyParams));
Request request = requestBuilder.post(body).build();
Response response = client.newCall(request).execute();
if (!response.isSuccessful()) {
throw new IOException(UNEXPECTED_CODE_TEXT + response);
}
if (response.body() == null) {
log.warn("postJson response body is null");
return null;
}
return response.body().string();
}
@SneakyThrows
public String postXml(String url, Map<String, String> headMap, String bodyParams) {
MediaType mediaType = MediaType.parse("text/xml;charset=UTF-8");
Request.Builder requestBuilder = new Request.Builder().url(url);
if (!CollectionUtils.isEmpty(headMap)) {
Headers headers = Headers.of(headMap);
requestBuilder.headers(headers);
}
log.info("postJson request: url={}, heads={}, bodyParams={}", url, headMap, bodyParams);
RequestBody body = RequestBody.create(mediaType, bodyParams);
Request request = requestBuilder.post(body).build();
Response response = this.selectOkHttpClient(url).newCall(request).execute();
if (!response.isSuccessful()) {
throw new IOException(UNEXPECTED_CODE_TEXT + response);
}
if (response.body() == null) {
log.warn("postJson response body is null");
return null;
}
return response.body().string();
}
/**
* request by application/x-www-form-urlencode
*
* @param url
* @param headMap
* @param bodyParams
* @return
*/
@SneakyThrows
public String post(String url, Map<String, String> headMap, Map<String, Object> bodyParams) {
Request.Builder requestBuilder = new Request.Builder().url(url);
if (!CollectionUtils.isEmpty(headMap)) {
Headers headers = Headers.of(headMap);
requestBuilder.headers(headers);
}
if (CollectionUtils.isEmpty(bodyParams)) {
throw new IOException("bodyParams is empty");
}
log.info("post request: url={}, heads={}, bodyParams={}", url, headMap, bodyParams);
FormBody.Builder builder = new FormBody.Builder();
bodyParams.keySet().forEach(key -> builder.add(key, bodyParams.get(key) != null && bodyParams.get(key).getClass() == String.class ? (String) bodyParams.get(key) : JSON.toJSONString(bodyParams.get(key))));
RequestBody body = builder.addEncoded("charset", "utf-8").build();
Request request = requestBuilder.post(body).build();
Response response = client.newCall(request).execute();
if (!response.isSuccessful()) {
throw new IOException(UNEXPECTED_CODE_TEXT + response);
}
if (response.body() == null) {
log.warn("post response body is null");
return null;
}
return response.body().string();
}
@SneakyThrows
public byte[] download(String url, Map<String, String> headMap, Map<String, Object> bodyParams) {
url = UrlUtil.appendParamsUrl(url, bodyParams);
Request.Builder requestBuilder = new Request.Builder().url(url);
if (!CollectionUtils.isEmpty(headMap)) {
Headers headers = Headers.of(headMap);
requestBuilder.headers(headers);
}
log.info("download request: url={}, heads={}", url, headMap);
Request request = requestBuilder.build();
Response response = client.newCall(request).execute();
if (!response.isSuccessful()) {
throw new IOException(UNEXPECTED_CODE_TEXT + response);
}
if (response.body() == null) {
log.warn("download response body is null");
return null;
}
return response.body().bytes();
}
}