okhttputils封装

来源：互联网发布：js防水涂料厚度编辑：程序博客网时间：2024/05/17 23:52

//OkhttpUtils封装

package test.j.com.mvpshopdemo.okhttp;
import java.io.File;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import okhttp3.FormBody;
import okhttp3.MediaType;
import okhttp3.MultipartBody;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
/** * Created by muni on 17/11/10. 
* * * Okhttp 单例 范型的封装 */
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)        
            //添加拦截器   .addInterceptor(new LoggingInterceptor())       
             .build();      
  }   
    
 return okhttpUtils ;    
}   
 private static OkHttpClient client ;   
 /**     * 发起异步请求    
 * @param params    
 * @param url    
 * @param callBack     */  
  public void asy(Map<String,String> params,String url,AbstractUiCallBack callBack){   
     Request request = null ;   
     if(params != null){           
 // post 请求           
 FormBody.Builder builder = new FormBody.Builder() ;        
    for(Map.Entry<String,String> entry : params.entrySet()){      
          builder.add(entry.getKey(),entry.getValue());        
    }          
  FormBody body =  builder.build();         
   request = new Request.Builder()             
       .url(url)               
     .post(body)              
      .build();       
 } else {        
    // get 请求     
       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<String,String> 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<String,String> 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
package test..com.mvpshopdemo.okhttp;import android.os.Handler;import android.os.Looper;import com.google.gson.Gson;import com.google.gson.JsonSyntaxException;import java.io.IOException;import java.lang.reflect.ParameterizedType;import java.lang.reflect.Type;import okhttp3.Call;import okhttp3.Callback;import okhttp3.Response;/** * Created by muax on 17/11/10. * *  * Okhttp 单例 范型的封装 */public  abstract  class AbstractUiCallBack<T> 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<T> 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);        }    }}
}

//LoggingInterceptor公共参数拦截器package test.j.com.mvpshopdemo.okhttp;import java.io.IOException;import okhttp3.FormBody;import okhttp3.Interceptor;import okhttp3.Request;import okhttp3.RequestBody;import okhttp3.Response;/** * 可以实现 添加公共请求参数 */public class LoggingInterceptor implements Interceptor {  @Override public Response intercept(Chain chain) throws IOException {    //首先取到Request    Request request = chain.request();    Response response = null;    Request requestProcess = null ;    if("GET".equals(request.method())){      String url =  request.url().toString() + "&source=android";      Request.Builder builder =  request.newBuilder() ;      builder.get().url(url);      requestProcess =  builder.build();      response = chain.proceed(requestProcess);    } else {      FormBody.Builder builder = new FormBody.Builder() ;      RequestBody requestBody =  request.body() ;      if(requestBody instanceof FormBody){        FormBody formBody = (FormBody)requestBody ;        for (int i=0;i<formBody.size();i++){          builder.add(formBody.encodedName(i),formBody.encodedValue(i));        }        builder.add("source","android");      }       requestProcess =  request.newBuilder().url(request.url().toString()).post(builder.build()).build() ;      response = chain.proceed(requestProcess);    }    return response;  }}

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