okhttp封装工具类

okHttp封装类

OkhttpUtils类

public class OkhttpUtils {






    private static OkhttpUtils okhttpUtils = null ;

    private OkhttpUtils(){

    }

    public static OkhttpUtils getInstance(){

        if(okhttpUtils == null){
            okhttpUtils = new OkhttpUtils();
            client = new OkHttpClient.Builder()
                    .readTimeout(20, TimeUnit.SECONDS)
                    .writeTimeout(20,TimeUnit.SECONDS)
                    .connectTimeout(20,TimeUnit.SECONDS)
                    .addInterceptor(new LoggingInterceptor())
                    .build();
        }
        return okhttpUtils ;

    }


    private static OkHttpClient client ;


    public void asy(Map params,String url,AbstractUiCallBack callBack){
        Request request = null ;

        if(params != null){
            FormBody.Builder builder = new FormBody.Builder() ;
            for(Map.Entry entry : params.entrySet()){
                builder.add(entry.getKey(),entry.getValue());
            }
            FormBody body =  builder.build();
            request = new Request.Builder()
                    .url(url)
                    .post(body)
                    .build();
        } else {
            request = new Request.Builder()
                    .url(url)
                    .build();
        }



        client.newCall(request).enqueue(callBack);

    }

    private static final MediaType MEDIA_TYPE_PNG = MediaType.parse("image/png");


    public static void postFile(Map map, String url, File file,AbstractUiCallBack callBack){

        String [] array =  file.getAbsolutePath().split("\\/");

        MultipartBody.Builder builder = new MultipartBody.Builder();
        builder.setType(MultipartBody.FORM);

        for(Map.Entry entry : map.entrySet()){
            builder.addFormDataPart(entry.getKey(),entry.getValue());
        }
        builder.addFormDataPart("imageFileName",array[array.length-1]);


        if(file.exists() && file.length() > 0){
            builder.addFormDataPart("image",array[array.length-1], RequestBody.create(MEDIA_TYPE_PNG,file));
        }
        MultipartBody body =  builder.build() ;

        Request request = new Request.Builder()
                .url(url)
                .post(body)
                .build();
        client.newCall(request).enqueue(callBack);


    }

}

AbstractUiCallBack类

/**
 * Created by muhanxi on 17/11/10.
 *
 *  * Okhttp 单例 范型的封装
 */

public  abstract  class AbstractUiCallBack implements Callback {

    /**
     * 成功回调
     * @param t
     */
    public abstract void success(T t);

    /**
     * 失败回调
     * @param e
     */
    public abstract void failure(Exception e);


    private Handler handler = null ;
    private Class clazz ;

    public AbstractUiCallBack(){
        handler = new Handler(Looper.getMainLooper());


        //  得到的是一个 AbstractUiCallBack 的Type
       Type type =  getClass().getGenericSuperclass() ;

        // 得到的是T的实际Type
       Type [] arr =  ((ParameterizedType)type).getActualTypeArguments() ;

        clazz = (Class) arr[0] ;



    }




    @Override
    public void onFailure(Call call, IOException e) {

        failure(e);

    }

    @Override
    public void onResponse(Call call, Response response) throws IOException {


        try {
            String result = response.body().string();
            System.out.println("result = " + result);
            Gson gson = new Gson();

            final T t = (T) gson.fromJson(result,clazz);

            handler.post(new Runnable() {
                @Override
                public void run() {
                    success(t);
                }
            });
        } catch (IOException e) {
            e.printStackTrace();
            failure(e);
        } catch (JsonSyntaxException e) {
            e.printStackTrace();
            failure(e);
        }


    }
}