389 lines
12 KiB
Java
389 lines
12 KiB
Java
package com.mosty.bkzx.utlis;
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import com.alibaba.fastjson.JSON;
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import okhttp3.*;
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import javax.net.ssl.SSLContext;
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import javax.net.ssl.SSLSocketFactory;
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import javax.net.ssl.TrustManager;
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import javax.net.ssl.X509TrustManager;
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import java.io.IOException;
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import java.net.URLEncoder;
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import java.security.SecureRandom;
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import java.security.cert.X509Certificate;
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import java.util.LinkedHashMap;
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import java.util.Map;
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import java.util.concurrent.Semaphore;
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import java.util.concurrent.TimeUnit;
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public class OkHttpUtils {
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private static volatile OkHttpClient okHttpClient = null;
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private static volatile Semaphore semaphore = null;
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private Map<String, String> headerMap;
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private Map<String, Object> paramMap;
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private String url;
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private Request.Builder request;
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/**
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* 初始化okHttpClient，并且允许https访问
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*/
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private OkHttpUtils() {
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if (okHttpClient == null) {
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synchronized (OkHttpUtils.class) {
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if (okHttpClient == null) {
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TrustManager[] trustManagers = buildTrustManagers();
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okHttpClient = new OkHttpClient.Builder().connectTimeout(15, TimeUnit.SECONDS).writeTimeout(20, TimeUnit.SECONDS).readTimeout(20, TimeUnit.SECONDS).sslSocketFactory(createSSLSocketFactory(trustManagers), (X509TrustManager) trustManagers[0]).hostnameVerifier((hostName, session) -> true).retryOnConnectionFailure(true).build();
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addHeader("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36");
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}
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}
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}
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}
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/**
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* 用于异步请求时，控制访问线程数，返回结果
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*
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* @return
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*/
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private static Semaphore getSemaphoreInstance() {
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//只能1个线程同时访问
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synchronized (OkHttpUtils.class) {
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if (semaphore == null) {
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semaphore = new Semaphore(0);
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}
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}
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return semaphore;
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}
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/**
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* 创建OkHttpUtils
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*
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* @return
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*/
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public static OkHttpUtils builder() {
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return new OkHttpUtils();
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}
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/**
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* 添加url
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*
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* @param url
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* @return
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*/
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public OkHttpUtils url(String url) {
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this.url = url;
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return this;
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}
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/**
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* 添加参数
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*
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* @param key 参数名
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* @param value 参数值
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* @return
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*/
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public OkHttpUtils addParam(String key, Object value) {
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if (paramMap == null) {
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paramMap = new LinkedHashMap<>(16);
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}
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paramMap.put(key, value);
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return this;
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}
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/**
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* 添加请求头
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*
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* @param key 参数名
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* @param value 参数值
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* @return
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*/
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public OkHttpUtils addHeader(String key, String value) {
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if (headerMap == null) {
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headerMap = new LinkedHashMap<>(16);
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}
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headerMap.put(key, value);
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return this;
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}
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/**
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* 初始化get方法
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*
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* @return
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*/
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public OkHttpUtils get() {
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request = new Request.Builder().get();
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StringBuilder urlBuilder = new StringBuilder(url);
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if (paramMap != null) {
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urlBuilder.append("?");
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try {
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for (Map.Entry<String, Object> entry : paramMap.entrySet()) {
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urlBuilder.append(URLEncoder.encode(entry.getKey(), "utf-8")).append("=").append(URLEncoder.encode(entry.getValue().toString(), "utf-8")).append("&");
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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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urlBuilder.deleteCharAt(urlBuilder.length() - 1);
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}
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request.url(urlBuilder.toString());
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return this;
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}
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/**
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* 初始化delet方法
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*
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* @param isJsonPost true等于json的方式提交数据，类似postman里post方法的raw
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* false等于普通的表单提交
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* @return
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*/
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public OkHttpUtils delete(boolean isJsonPost) {
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RequestBody requestBody;
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if (isJsonPost) {
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String json = "";
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if (paramMap != null) {
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json = JSON.toJSONString(paramMap);
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}
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requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), json);
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} else {
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FormBody.Builder formBody = new FormBody.Builder();
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if (paramMap != null) {
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paramMap.forEach((key,value) ->{
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formBody.add(key,String.valueOf(value));
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});
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}
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requestBody = formBody.build();
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}
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request = new Request.Builder().delete(requestBody).url(url);
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return this;
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}
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/**
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* 初始化post方法
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*
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* @param isJsonPost true等于json的方式提交数据，类似postman里post方法的raw
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* false等于普通的表单提交
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* @return
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*/
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public OkHttpUtils post(boolean isJsonPost) {
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RequestBody requestBody;
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if (isJsonPost) {
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String json = "";
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if (paramMap != null) {
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json = JSON.toJSONString(paramMap);
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}
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requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), json);
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} else {
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FormBody.Builder formBody = new FormBody.Builder();
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if (paramMap != null) {
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paramMap.forEach((key,value) ->{
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formBody.add(key,String.valueOf(value));
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});
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}
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requestBody = formBody.build();
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}
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request = new Request.Builder().post(requestBody).url(url);
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return this;
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}
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public OkHttpUtils post(Map<String,Object> data,boolean isJsonPost) {
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RequestBody requestBody;
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if (isJsonPost) {
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String json = "";
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if (data != null) {
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json = JSON.toJSONString(data);
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}
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requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), json);
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} else {
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FormBody.Builder formBody = new FormBody.Builder();
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if (data != null) {
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data.forEach((key,value) ->{
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formBody.add(key,String.valueOf(value));
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});
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}
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requestBody = formBody.build();
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}
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request = new Request.Builder().post(requestBody).url(url);
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return this;
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}
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/**
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* 初始化post方法
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*
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* @param isJsonPut true等于json的方式提交数据，类似postman里post方法的raw
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* false等于普通的表单提交
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* @return
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*/
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public OkHttpUtils put(boolean isJsonPut) {
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RequestBody requestBody;
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if (isJsonPut) {
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String json = "";
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if (paramMap != null) {
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json = JSON.toJSONString(paramMap);
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}
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requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), json);
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} else {
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FormBody.Builder formBody = new FormBody.Builder();
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if (paramMap != null) {
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paramMap.forEach((key,value) ->{
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formBody.add(key,String.valueOf(value));
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});
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}
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requestBody = formBody.build();
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}
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request = new Request.Builder().put(requestBody).url(url);
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return this;
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}
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/**
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* 初始化post方法
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*
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* @param isJsonPut true等于json的方式提交数据，类似postman里post方法的raw
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* false等于普通的表单提交
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* @return
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*/
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public OkHttpUtils put(Map<String,Object> data,boolean isJsonPut) {
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RequestBody requestBody;
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if (isJsonPut) {
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String json = "";
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if (data != null) {
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json = JSON.toJSONString(data);
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}
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requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), json);
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} else {
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FormBody.Builder formBody = new FormBody.Builder();
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if (data != null) {
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data.forEach((key,value) ->{
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formBody.add(key,String.valueOf(value));
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});
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}
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requestBody = formBody.build();
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}
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request = new Request.Builder().put(requestBody).url(url);
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return this;
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}
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/**
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* 同步请求
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*
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* @return
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*/
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public String sync() {
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setHeader(request);
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try {
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Response response = okHttpClient.newCall(request.build()).execute();
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assert response.body() != null;
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return response.body().string();
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} catch (IOException e) {
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e.printStackTrace();
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return "请求失败：" + e.getMessage();
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}
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}
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/**
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* 异步请求，有返回值
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*/
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public String async() {
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StringBuilder buffer = new StringBuilder("");
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setHeader(request);
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okHttpClient.newCall(request.build()).enqueue(new Callback() {
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@Override
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public void onFailure(Call call, IOException e) {
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buffer.append("请求出错：").append(e.getMessage());
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}
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@Override
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public void onResponse(Call call, Response response) throws IOException {
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assert response.body() != null;
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buffer.append(response.body().string());
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getSemaphoreInstance().release();
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}
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});
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try {
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getSemaphoreInstance().acquire();
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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return buffer.toString();
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}
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/**
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* 异步请求，带有接口回调
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*
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* @param callBack
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*/
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public void async(ICallBack callBack) {
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setHeader(request);
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okHttpClient.newCall(request.build()).enqueue(new Callback() {
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@Override
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public void onFailure(Call call, IOException e) {
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callBack.onFailure(call, e.getMessage());
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}
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@Override
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public void onResponse(Call call, Response response) throws IOException {
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assert response.body() != null;
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callBack.onSuccessful(call, response.body().string());
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}
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});
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}
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/**
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* 为request添加请求头
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*
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* @param request
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*/
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private void setHeader(Request.Builder request) {
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if (headerMap != null) {
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try {
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for (Map.Entry<String, String> entry : headerMap.entrySet()) {
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request.addHeader(entry.getKey(), entry.getValue());
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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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* 生成安全套接字工厂，用于https请求的证书跳过
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*
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* @return
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*/
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private static SSLSocketFactory createSSLSocketFactory(TrustManager[] trustAllCerts) {
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SSLSocketFactory ssfFactory = null;
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try {
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SSLContext sc = SSLContext.getInstance("SSL");
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sc.init(null, trustAllCerts, new SecureRandom());
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ssfFactory = sc.getSocketFactory();
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} catch (Exception e) {
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e.printStackTrace();
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}
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return ssfFactory;
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}
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private static TrustManager[] buildTrustManagers() {
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return new TrustManager[]{new X509TrustManager() {
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@Override
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public void checkClientTrusted(X509Certificate[] chain, String authType) {
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}
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@Override
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public void checkServerTrusted(X509Certificate[] chain, String authType) {
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}
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@Override
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public X509Certificate[] getAcceptedIssuers() {
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return new X509Certificate[]{};
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}
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}};
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}
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/**
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* 自定义一个接口回调
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*/
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public interface ICallBack {
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void onSuccessful(Call call, String data);
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void onFailure(Call call, String errorMsg);
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}
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} |