OkHttpUtils.java
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package com.huaheng.common.utils.http;
import java.io.IOException;
import java.lang.reflect.Type;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.TimeUnit;
import javax.annotation.Resource;
import javax.validation.constraints.NotNull;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.gson.Gson;
import com.huaheng.framework.aspectj.ApiLogAspect;
import com.huaheng.framework.web.service.ConfigService;
import com.huaheng.pc.monitor.apilog.domain.ApiLog;
import okhttp3.*;
/**
* OkHttp发送请求
* @author huaheng
* @Date 2022-5-30
*/
public class OkHttpUtils {
@Resource
private ConfigService configService;
private static final Logger log = LoggerFactory.getLogger(OkHttpUtils.class);
/**
* 最多重试次数
*/
public final static int MAX_RENTRY_COUNT = 0;
/**
* 最大连接时间（秒）
*/
public final static int CONNECTION_TIMEOUT = 1;
/**
* 最大读取时间（秒）
*/
public final static int READ_TIMEOUT = 10;
/**
* 最大写入时间（秒）
*/
public final static int WRITE_TIMEOUT = 10;
/**
* JSON格式
*/
public static final MediaType MEDIA_TYPE_JSON = MediaType.parse("application/json; charset=utf-8");
/**
* OkHTTP线程池最大空闲线程数
*/
public final static int MAX_IDLE_CONNECTIONS = 40;
/**
* OkHTTP线程池空闲线程存活时间（秒）
*/
public final static long KEEP_ALIVE_DURATION = 60;
private static final String CONTENT_TYPE = "Content-Type";
/**
* client
* 配置重试
*/
/** 访问接口参数配置 */
private final static OkHttpClient HTTP_CLIENT =
new OkHttpClient.Builder().connectTimeout(CONNECTION_TIMEOUT, TimeUnit.SECONDS).readTimeout(READ_TIMEOUT, TimeUnit.SECONDS)
.writeTimeout(WRITE_TIMEOUT, TimeUnit.SECONDS).addInterceptor(new OkHttpUtils.OkhttpInterceptor(MAX_RENTRY_COUNT)) // 过滤器，设置最大重试次数
.retryOnConnectionFailure(false).connectionPool(new ConnectionPool(MAX_IDLE_CONNECTIONS, KEEP_ALIVE_DURATION, TimeUnit.SECONDS)).build();
// private final static OkHttpClient HTTP_CLIENT = new OkHttpClient.Builder().readTimeout(CONNECTION_TIMEOUT, TimeUnit.SECONDS)
// .writeTimeout(CONNECTION_TIMEOUT, TimeUnit.SECONDS).connectTimeout(CONNECTION_TIMEOUT, TimeUnit.SECONDS)
// .connectionPool(new ConnectionPool(MAX_IDLE_CONNECTIONS, KEEP_ALIVE_DURATION, TimeUnit.MINUTES)).build();
private static final Gson GSON = new Gson();
/**
* 向指定 URL 发送GET方法的请求
* @param url 发送请求的 URL
* //* @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
* @return 所代表远程资源的响应结果
*/
public static String sendGet(String url, String param) {
// headers 请求头
Map<String, String> headers = new HashMap<>();
// 请求URI
String urlNameString = url + "?" + param;
Request.Builder builder = new Request.Builder();
buildHeader(builder, headers);
Request request = builder.url(urlNameString).get().build();
Response response = null;
try {
response = HTTP_CLIENT.newCall(request).execute();
if (response.isSuccessful() && Objects.nonNull(response.body())) {
String result = response.body().string();
log.info("执行get请求, url: {} 成功，返回数据: {}", url, result);
return result;
}
} catch (IOException e) {
log.error("执行get请求，url: {} 失败!", url, e);
}
return "";
}
/**
* 向指定 URL 发送POST方法的请求
* @param url 发送请求的 URL
* // * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
* @return 所代表远程资源的响应结果
*/
public static String sendPost(String url, String param) {
FormBody.Builder builder = new FormBody.Builder();
String urlNameString = url + "?" + param;
FormBody body = builder.build();
Request request = new Request.Builder().url(urlNameString).post(body).build();
Response response = null;
try {
response = HTTP_CLIENT.newCall(request).execute();
// 调用成功
if (response.isSuccessful() && response.body() != null) {
return response.body().string();
}
} catch (IOException e) {
e.printStackTrace();
}
return "";
}
public static String bodypost(String strURL, String json) {
return bodypost(strURL, json, "", null);
}
// 此方法是将参数以body形式发送post请求
public static String bodypost(String strURL, String json, String sessionId, String apiName) {
ApiLog apiLog = null;
// using above json body as a input to post API call
RequestBody body = RequestBody.create(MEDIA_TYPE_JSON, json);
// headers 请求头
Map<String, String> headers = new HashMap<>();
headers.put("Accept", "application/json");// 设置接收数据的格式
headers.put("Content-Type", "application/json");// 设置发送数据的格式
headers.put("kdservice-sessionid", sessionId);// 设置发送数据的格式
Request.Builder builder = new Request.Builder();
buildHeader(builder, headers);
Request request = builder.url(strURL).post(body).build();
Response response = null;
String result = null;
try {
apiLog = ApiLogAspect.initApiLog(request, json);
response = HTTP_CLIENT.newCall(request).execute();
if (response.isSuccessful() && Objects.nonNull(response.body())) {
result = response.body().string();
log.info("执行post请求,url: {}, header: {} ,参数: {} 成功，返回结果: {}", strURL, headers, json, result);
}
} catch (IOException e) {
ApiLogAspect.setApiLogException(apiLog, e);
log.error("执行post请求，url: {},参数: {} 失败!", strURL, json, e);
} finally {
ApiLogAspect.finishApiLog(apiLog, response, result);
}
return result;
}
// 此方法是将参数以body形式发送post请求
public static String bodypost(String strURL, String json, Map<String, String> params) {
ApiLog apiLog = null;
// using above json body as a input to post API call
RequestBody body = RequestBody.create(MEDIA_TYPE_JSON, json);
// headers 请求头
Map<String, String> headers = new HashMap<>();
headers.put("Accept", "application/json");// 设置接收数据的格式
headers.put("Content-Type", "application/json");// 设置发送数据的格式
headers.putAll(params);
Request.Builder builder = new Request.Builder();
buildHeader(builder, headers);
Request request = builder.url(strURL).post(body).build();
Response response = null;
String result = null;
try {
apiLog = ApiLogAspect.initApiLog(request, json);
response = HTTP_CLIENT.newCall(request).execute();
if (response.isSuccessful() && Objects.nonNull(response.body())) {
result = response.body().string();
log.info("执行post请求,url: {}, header: {} ,参数: {} 成功，返回结果: {}", strURL, headers, json, result);
}
} catch (IOException e) {
ApiLogAspect.setApiLogException(apiLog, e);
log.error("执行post请求，url: {},参数: {} 失败!", strURL, json, e);
} finally {
ApiLogAspect.finishApiLog(apiLog, response, result);
}
return result;
}
// 此方法是将参数以body形式发送post请求
public static Map<String,Object> getHeaderBodyPost(String strURL, String json, Map<String, String> params) {
Map<String,Object> map = new HashMap<>();
ApiLog apiLog = null;
// using above json body as a input to post API call
RequestBody body = RequestBody.create(MEDIA_TYPE_JSON, json);
// headers 请求头
Map<String, String> headers = new HashMap<>();
headers.put("Accept", "application/json");// 设置接收数据的格式
headers.put("Content-Type", "application/json");// 设置发送数据的格式
headers.putAll(params);
Request.Builder builder = new Request.Builder();
buildHeader(builder, headers);
Request request = builder.url(strURL).post(body).build();
Response response = null;
String result = null;
try {
apiLog = ApiLogAspect.initApiLog(request, json);
response = HTTP_CLIENT.newCall(request).execute();
if (response.isSuccessful() && Objects.nonNull(response.body())) {
result = response.body().string();
String labellocation = response.header("labellocation", null);
map.put("labellocation",labellocation);
map.put("printData",result);
log.info("执行post请求,url: {}, header: {} ,参数: {} 成功，返回结果: {}", strURL, headers, json, result);
}
} catch (IOException e) {
ApiLogAspect.setApiLogException(apiLog, e);
log.error("执行post请求，url: {},参数: {} 失败!", strURL, json, e);
} finally {
ApiLogAspect.finishApiLog(apiLog, response, result);
}
return map;
}
/**
* 设置请求头
* @param builder .
* @param headers 请求头
*/
private static void buildHeader(Request.Builder builder, Map<String, String> headers) {
if (Objects.nonNull(headers) && headers.size() > 0) {
headers.forEach((k, v) -> {
if (Objects.nonNull(k) && Objects.nonNull(v)) {
builder.addHeader(k, v);
}
});
}
}
/**
* 支持嵌套泛型的post请求。
*
* <pre>
* Type type = new TypeToken<Results<User>>() {}.getType();
*
* <pre/>
* @param url 链接
* @param json 请求json
* @param type 嵌套泛型
* @return 响应对象, 可进行强转。
*/
public static <T> T post(String url, String json, Type type) {
String result = bodypost(url, json);
if (Objects.nonNull(result) && Objects.nonNull(type)) {
return GSON.fromJson(result, type);
}
return null;
}
public static class OkhttpInterceptor implements Interceptor {
// 最大重试次数
private int maxRentry;
public OkhttpInterceptor(int maxRentry) {
this.maxRentry = maxRentry;
}
/** 递归 2次下发请求，如果仍然失败 则返回 null 但是 intercept must not return null. 返回 null 会报 IllegalStateException 异常 */
public Response intercept(@NotNull Chain chain) throws IOException {
return retry(chain, 0);
}
private Response retry(Chain chain, int retryCent) throws IOException {
Request request = chain.request();
Response response = null;
try {
response = chain.proceed(request);
} catch (Exception e) {
if (maxRentry > retryCent) {
return retry(chain, retryCent + 1);
}
if (Objects.isNull(response)) {
throw e;
}
}
return response;
}
}
}