Springboot using OKHTTP3

1. Adding Pom.xml dependencies

        <dependency>            <groupId>com.squareup.okhttp3</groupId>            <artifactid>okhttp</ artifactid>            <version>3.6.  0</version>        </dependency>

2. Configuration Classes

Import Java.security.keymanagementexception;import Java.security.nosuchalgorithmexception;import Java.security.securerandom;import Java.security.cert.certificateexception;import Java.security.cert.x509certificate;import Java.util.concurrent.timeunit;import Javax.net.ssl.SSLContext;import Javax.net.ssl.sslsocketfactory;import Javax.net.ssl.trustmanager;import Javax.net.ssl.x509trustmanager;import OKHTTP3. Connectionpool;import OKHTTP3. Okhttpclient;import Org.springframework.context.annotation.bean;import org.springframework.context.annotation.Configuration;/** * Created by Qhong on 2018/7/3 16:52 **/@Configuration Public classOkhttpconfig {@Bean PublicX509trustmanager X509trustmanager () {return NewX509trustmanager () {@Override Public voidcheckclienttrusted (x509certificate[] x509certificates, String s) throws certificateexception {} @Override Public voidcheckservertrusted (x509certificate[] x509certificates, String s) throws certificateexception {} @Override Publicx509certificate[] Getacceptedissuers () {return Newx509certificate[0];    }        }; } @Bean Publicsslsocketfactory sslsocketfactory () {Try {            //Trust any linkSslcontext Sslcontext = sslcontext.getinstance ("TLS"); Sslcontext.init (NULL,NewTrustmanager[]{x509trustmanager ()},Newsecurerandom ()); returnsslcontext.getsocketfactory (); } Catch(nosuchalgorithmexception e) {e.printstacktrace (); } Catch(keymanagementexception e) {e.printstacktrace (); }        return NULL; }    /** * Create A new connection pool with tuning parameters appropriate for a single-user application. * The tuning parameters in this pool is subject to change in the future OkHttp releases. Currently*/@Bean PublicConnectionPool Pool () {return NewConnectionPool ( $,5, timeunit.minutes); } @Bean Publicokhttpclient okhttpclient () {return NewOkhttpclient.builder (). Sslsocketfactory (Sslsocketfactory (), X509trustmanager ()). Retry Onconnectionfailure (false)//whether to turn on caching. ConnectionPool (Pool ())//Connection Pool. ConnectTimeout (10L, Timeunit.seconds). ReadTimeout (10L, Timeunit.seconds). Build (); }}

3. Tool Class:

import Java.util.iterator;import java.util.map;import okhttp3. Formbody;import OKHTTP3. Mediatype;import OKHTTP3. Okhttpclient;import OKHTTP3. Request;import OKHTTP3. Requestbody;import OKHTTP3. Response;import Org.apache.commons.lang3.exception.exceptionutils;import Org.slf4j.logger;import Org.slf4j.LoggerFactory;/** * Created by Qhong on 2018/7/3 16:55 **/ Public classokhttputil{Private StaticFinal Logger Logger = Loggerfactory.getlogger (okhttputil.class); /** * Get GET request parameters according to map * @param queries * @return*/    Private StaticStringBuffer getquerystring (String url,map<string,string>queries) {StringBuffer SB=Newstringbuffer (URL); if(Queries! =NULL&& queries.keyset (). Size () >0) {Boolean Firstflag=true; Iterator Iterator=Queries.entryset (). iterator ();  while(Iterator.hasnext ()) {Map.entry Entry= (map.entry<string, string>) Iterator.next (); if(Firstflag) {sb.append ("?"+ Entry.getkey () +"="+Entry.getvalue ()); Firstflag=false; } Else{sb.append ("&"+ Entry.getkey () +"="+Entry.getvalue ()); }            }        }        returnSB; }    /** * Call Okhttp's Newcall method * @param request * @return*/    Private StaticString Execnewcall (Request request) {Response Response=NULL; Try{okhttpclient okhttpclient=Newokhttpclient (); Response=Okhttpclient.newcall (Request). Execute (); intStatus =Response.code (); if(Response.issuccessful ()) {returnResponse.body ().string(); }        } Catch(Exception e) {logger.error ("OKHTTP3 put error >> ex = {}", Exceptionutils.getstacktrace (e)); } finally {            if(Response! =NULL) {response.close (); }        }        return ""; }    /** * get * @param URL request URL * @param queries request parameters in the browser? After the data, no null can be passed * @return*/     Public StaticStringGet(String URL, map<string, string>queries) {StringBuffer SB=getquerystring (url,queries); Request Request=Newrequest.builder (). URL (sb.tostring ()). build (); returnExecnewcall (Request); }    /** * post * * @param URL requested by * @param params post form parameter * @return*/     Public StaticString postformparams (string url, map<string, string>params) {Formbody.builder Builder=NewFormbody.builder (); //Adding Parameters        if(params!=NULL&&params. KeySet (). Size () >0) {             for(String key:params. KeySet ()) {Builder.add (Key,params.Get(key)); }} Request Request=Newrequest.builder (). URL (URL). Post (Builder.build ()). build (); returnExecnewcall (Request); }    /** * POST request to send JSON data .... {"Name": "Zhangsan", "pwd": "123456"} * parameter one: request URL * Parameter two: JSON for request * parameter three: request callback*/     Public Staticstring postjsonparams (string url, string jsonparams) {requestbody requestbody= Requestbody.create (Mediatype.parse ("Application/json; Charset=utf-8"), jsonparams); Request Request=Newrequest.builder (). URL (URL). Post (Requestbody). build (); returnExecnewcall (Request); }    /** * POST request to send XML data .... * Parameter one: request URL * parameter two: request xmlstring * parameter three: request callback*/     Public Staticstring postxmlparams (string URL, string xml) {requestbody requestbody= Requestbody.create (Mediatype.parse ("application/xml; Charset=utf-8"), XML); Request Request=Newrequest.builder (). URL (URL). Post (Requestbody). build (); returnExecnewcall (Request); }}

https://miaoxinwei.github.io/2017/04/21/spring-%E9%9B%86%E6%88%90-okhttp3/

79714375

Https://www.programcreek.com/java-api-examples/?code=hjw541988478/OkHttpTutorial/OkHttpTutorial-master/app/src /main/java/in/harvestday/okhttpdemo/okhttputil.java

Https://github.com/guozhengXia/OkHttpUtils

Https://github.com/hongyangAndroid/okhttputils

Springboot using OKHTTP3