android okhttp3工具类,Android OkHttp3封装

public class OkHttpUtil {

private static Gson mGson=new Gson();

public static final String MEDIA_TYPE="application/json;charset=utf-8";

private static final String METHOD_GET="GET";

private static final String METHOD_POST="POST";

private static OkHttpClient okHttpClient;

/*

* 私有化构造方法

* 使用单例模式

* */

public OkHttpUtil() {

}

public static void init(){

//OkHttpClient.Builder 建造模式 把需要的一些请求要求添加给OkHttpClient

OkHttpClient.Builder builder=new OkHttpClient.Builder();

builder.readTimeout(3000,TimeUnit.MILLISECONDS);

builder.writeTimeout(3000,TimeUnit.MILLISECONDS);

builder.connectTimeout(3000,TimeUnit.MILLISECONDS);

//OkHttpClient获得OkHttpClient.Builder建造完的OkHttpClient

okHttpClient=builder.build();

}

//处理传给的参数 并指明方法

private static Request createRequest(String url,String method,BassRequest bassRequest){

RequestBody requestBody=null;

if (bassRequest!=null){

//将bean类转换成JSON数据

String bodyJson = mGson.toJson(bassRequest);

//媒体类型 指定的结构

MediaType JSON=MediaType.parse(MEDIA_TYPE);

//requestBody不是从零中闪出来的 是create出来的

requestBody=RequestBody.create(JSON,bodyJson);

}

//将request建造出来并且将URL传给它 给它指明要访问的URL地址

Request.Builder builder=new Request.Builder().url(url);

//创建一个空的Request 由switch处理并把request的建造出来 付给request

Request request=null;

switch (method){

case METHOD_GET:

request=builder.build();

break;

case METHOD_POST:

request=builder.post(requestBody).build();

break;

}

return request;

}

public static void enqueueGet(String url, Callback callback){

Request request = createRequest(url,METHOD_GET,null);

Call call = okHttpClient.newCall(request);

call.enqueue(callback);

}

public static void enqueuePost(String url,BassRequest bassRequest,Callback callback){

Request request = createRequest(url, METHOD_POST, bassRequest);

Call call = okHttpClient.newCall(request);

call.enqueue(callback);

}

}