改造呼び出しが追加されています

ユーザーのセッションをログアウトするためのアプリケーションのボタンがあります。クリックすると、ローカルホストに基本POST要求が送信され、技術的にはログアウトされますが、再度ログアウトボタンをクリックすると次の処理が行われます。改造呼び出しが追加されています

1回目：1の要求は 2回目のクリックログアウトを通過：2つの要求が同時にログアウトのために作られてい 3回目のクリックログアウト：3つの要求がログアウト

などのために作られています。。

正直なところ、この状況は非常に困惑しています私とはい、私はokhttpインターセプタといくつかのトークン管理を使用してretrofitを使用しています。

注： - （Tinydbは単純な共有好みのマネージャーである）

コードは以下の投稿：

ApiInterfacer.java - これは私のAPIインタフェース

@FormUrlEncoded 
@POST("/api/token/logout") 
Call<BasicResponse> LOG_OUT(@Field("guid") String guid);

ApiService.javaです - My Apiサービスの作成者

public class ApiService { 

public static final String baseurl = StaticVars.LOCALHOST; 
public static OkHttpClient.Builder httpClientBuilder = new OkHttpClient.Builder(); 
private static Retrofit.Builder retrofitbuilder = new Retrofit.Builder().baseUrl(baseurl).addConverterFactory(GsonConverterFactory.create()); 

public static <S>S createService(Class<S> serviceClass , Context context) // service class is the REST class , ex : GithubClient 
{ 

    Retrofit retrofit = retrofitbuilder.build(); 
    httpClientBuilder.interceptors().add(new ApiTokenInterceptor(context)); 
    OkHttpClient client = httpClientBuilder.build(); 
    retrofitbuilder.client(client); 
    return retrofit.create(serviceClass); 

} 

}

ApiTokenInterceptor.java

public class ApiTokenInterceptor implements Interceptor { 

private final Context context; 
public ApiTokenInterceptor(Context context){ 

    this.context = context; 
} 

@Override 
public Response intercept(Chain chain) throws IOException { 

    Log.i("INTERCEPT" , "FIRST " + chain.request().url()); 
    TinyDB db = new TinyDB(context); 
    Request request = chain.request(); 
    Request modifiedReq = request; 
    if(!db.getString("token").equals("")) 
    { 
     modifiedReq = request.newBuilder().addHeader("token" ,db.getString("token")) 
       .build(); 
    } 

    Response response = chain.proceed(modifiedReq); 
    boolean unauthorized = response.code() == 401; 
    Log.i("INTERCEPT" , "SECOND - LOGOUT - PROCEED " + modifiedReq.url() + " " + unauthorized); 
    if(unauthorized){ 
     response.body().close(); 
     db.remove("token"); 
     String refreshToken = db.getString("refken"); 

     Request request1 = new Request.Builder() 
       .url(StaticVars.LOCALHOST + "/api/token") 
       .addHeader("refken" , refreshToken) 
       .get() 
       .build(); 
     OkHttpClient client = new OkHttpClient(); 
     Response response1 = client.newCall(request1).execute(); 
     String response_string = response1.body().string(); 
     Log.d("INTERCEPT" , "RESPONSE TOKEN STRING " + response_string); 
     try{ 
      JSONObject object = new JSONObject(response_string); 
      String token = object.getString("token"); 
      //set token to db 
      Log.d("TOKENB" , " "+token); 
      db.putString("token" , token); 
     }catch (JSONException e){ 
      e.printStackTrace(); 
      Log.d("INVALID RESPONSE" , " "+response_string); 
      db.putString("token" , "placeholder"); 
      Log.i("INTERCEPT" , "AFINAL - LOGOUT - PROCEED " + modifiedReq.url()); 
      return response; 
     } 

     modifiedReq = request.newBuilder().addHeader("token" , db.getString("token")) 
       .build(); 
     Log.i("INTERCEPT" , "BFINAL - LOGOUT - PROCEED " + modifiedReq.url()); 
     return chain.proceed(modifiedReq); 
    } 

    return response; 

} 


}

（使用）の.java - 使用方法は、ボタンのonclicklistenerに

retro.setOnClickListener(new View.OnClickListener() { 
     @Override 
     public void onClick(final View v) { 


      //call retrofit :) 
      final ProgressDialog pd = new ProgressDialog(v.getContext()); 
      pd.setMessage("Loading..."); 
      pd.setCancelable(false); 
      pd.setIndeterminate(true); 
      pd.show(); 
      ApiInterfacer client = ApiService.createService(ApiInterfacer.class, v.getContext()); 
      Call<BasicResponse> call = client.LOG_OUT(db.getString("guid")); 
      call.enqueue(new Callback<BasicResponse>() { 
       @Override 
       public void onResponse(Call<BasicResponse> call, Response<BasicResponse> response) { 
        Log.d("Response : string" , "" + response.message()); 
        switch(response.code()) 
        { 
         case 401: 
          Log.d("LOGOUT" , "Unauthorized : "+401); 
          break; 
         case 400: 
          Log.d("LOGOUT" , "Malformed Body : " + 400); 
          break; 
         case 404: 
          Log.d("LOGOUT" , "URL Not Found :" + 404); 
          break; 
         case 200: 
          Log.d("Message" ,""+ response.body().getMessage()+" "+response.body().getCode()); 
          if(response.body().getCode().equals("LOGGEDOUT")) 
          { 
           db.remove("token"); 
           db.remove("refken"); 
           startActivity(new Intent(getActivity(), LoginActivity.class)); 
           getActivity().finish(); 
          } 
          break; 
         default: 
          BasicResponse resp = response.body(); 
          if(resp==null) 
          { 
           Log.d("Error" , "Response is null : " + response.code()); 
          }else { 
           Log.d("Code", "" + resp.getCode()); 
           Log.d("Source", "" + resp.getSource()); 
           Log.d("Message", "" + resp.getMessage()); 
           Log.d("Error", "" + resp.getError()); 
          } 
        } 

        if(!call.isCanceled()) { 
         Log.i("INTERCEPT" , "FORCE CANCEL"); 
         call.cancel(); 
        } 
        pd.cancel(); 
       } 

       @Override 
       public void onFailure(Call<BasicResponse> call, Throwable t) { 
        t.printStackTrace(); 
        pd.cancel(); 
        //page divert intent 
        Toast.makeText(v.getContext() , "Could not connect to server" , Toast.LENGTH_SHORT).show(); 
        Log.d("FAIL" , ""+t.getMessage()); 

        if(!call.isCanceled()) { 
         Log.i("INTERCEPT" , "FORCE CANCEL"); 
         call.cancel(); 
        } 
       } 
      }); 

     } 
    });

LOG行われます： -

1st click : (0 * FIRST - Run at starting of interceptor ? interceptor not  running ??) 
09-13 00:40:04.657 29600-29600/some.example.okhttp I/INTERCEPT: FORCE CANCEL 

2nd click : (1 * FIRST - Run at starting of interceptor) 
09-13 00:41:45.156 29600-31375/some.example.okhttp I/INTERCEPT: FIRST http://192.168.2.2/api/token/logout 
09-13 00:41:45.166 29600-31375/some.example.okhttp I/INTERCEPT: SECOND - LOGOUT - PROCEED http://192.168.2.2/api/token/logout false 
09-13 00:41:45.217 29600-29600/some.example.okhttp I/INTERCEPT: FORCE CANCEL 

3rd click: (3 * FIRST) 
09-13 00:41:54.364 29600-31375/some.example.okhttp I/INTERCEPT: FIRST http://192.168.2.2/api/token/logout 
09-13 00:41:54.364 29600-31375/some.example.okhttp I/INTERCEPT: FIRST http://192.168.2.2/api/token/logout 
09-13 00:41:54.370 29600-31375/some.example.okhttp I/INTERCEPT: SECOND - LOGOUT - PROCEED http://192.168.2.2/api/token/logout true 
09-13 00:41:54.382 29600-31375/some.example.okhttp I/INTERCEPT: BFINAL - LOGOUT - PROCEED http://192.168.2.2/api/token/logout 
09-13 00:41:54.431 29600-31375/some.example.okhttp I/INTERCEPT: SECOND - LOGOUT - PROCEED http://192.168.2.2/api/token/logout true 
09-13 00:41:54.454 29600-31375/some.example.okhttp I/INTERCEPT: BFINAL - LOGOUT - PROCEED http://192.168.2.2/api/token/logout 
09-13 00:41:54.454 29600-31375/some.example.okhttp I/INTERCEPT: FIRST http://192.168.2.2/api/token/logout 
09-13 00:41:54.466 29600-31375/some.example.okhttp I/INTERCEPT: SECOND - LOGOUT - PROCEED http://192.168.2.2/api/token/logout true 
09-13 00:41:54.503 29600-31375/some.example.okhttp I/INTERCEPT: BFINAL - LOGOUT - PROCEED http://192.168.2.2/api/token/logout 
09-13 00:41:54.695 29600-29600/some.example.okhttp I/INTERCEPT: FORCE CANCEL 

4th click: (7 * FIRST) 
09-13 00:42:57.726 29600-32408/some.example.okhttp I/INTERCEPT: FIRST http://192.168.2.2/api/token/logout 
09-13 00:42:57.726 29600-32408/some.example.okhttp I/INTERCEPT: FIRST http://192.168.2.2/api/token/logout 
09-13 00:42:57.726 29600-32408/some.example.okhttp I/INTERCEPT: FIRST http://192.168.2.2/api/token/logout 
09-13 00:42:57.731 29600-32408/some.example.okhttp I/INTERCEPT: SECOND - LOGOUT - PROCEED http://192.168.2.2/api/token/logout true 
09-13 00:42:57.740 29600-32408/some.example.okhttp I/INTERCEPT: BFINAL - LOGOUT - PROCEED http://192.168.2.2/api/token/logout 
09-13 00:42:57.779 29600-32408/some.example.okhttp I/INTERCEPT: SECOND - LOGOUT - PROCEED http://192.168.2.2/api/token/logout true 
09-13 00:42:57.819 29600-32408/some.example.okhttp I/INTERCEPT: BFINAL - LOGOUT - PROCEED http://192.168.2.2/api/token/logout 
09-13 00:42:57.819 29600-32408/some.example.okhttp I/INTERCEPT: FIRST http://192.168.2.2/api/token/logout 
09-13 00:42:57.831 29600-32408/some.example.okhttp I/INTERCEPT: SECOND - LOGOUT - PROCEED http://192.168.2.2/api/token/logout true 
09-13 00:42:57.865 29600-32408/some.example.okhttp I/INTERCEPT: BFINAL - LOGOUT - PROCEED http://192.168.2.2/api/token/logout 
09-13 00:42:57.892 29600-32408/some.example.okhttp I/INTERCEPT: SECOND - LOGOUT - PROCEED http://192.168.2.2/api/token/logout true 
09-13 00:42:57.942 29600-32408/some.example.okhttp I/INTERCEPT: BFINAL - LOGOUT - PROCEED http://192.168.2.2/api/token/logout 
09-13 00:42:57.942 29600-32408/some.example.okhttp I/INTERCEPT: FIRST http://192.168.2.2/api/token/logout 
09-13 00:42:57.942 29600-32408/some.example.okhttp I/INTERCEPT: FIRST http://192.168.2.2/api/token/logout 
09-13 00:42:57.968 29600-32408/some.example.okhttp I/INTERCEPT: SECOND - LOGOUT - PROCEED http://192.168.2.2/api/token/logout true 
09-13 00:42:58.006 29600-32408/some.example.okhttp I/INTERCEPT: BFINAL - LOGOUT - PROCEED http://192.168.2.2/api/token/logout 
09-13 00:42:58.029 29600-32408/some.example.okhttp I/INTERCEPT: SECOND - LOGOUT - PROCEED http://192.168.2.2/api/token/logout true 
09-13 00:42:58.053 29600-32408/some.example.okhttp I/INTERCEPT: BFINAL - LOGOUT - PROCEED http://192.168.2.2/api/token/logout 
09-13 00:42:58.053 29600-32408/some.example.okhttp I/INTERCEPT: FIRST http://192.168.2.2/api/token/logout 
09-13 00:42:58.086 29600-32408/some.example.okhttp I/INTERCEPT: SECOND - LOGOUT - PROCEED http://192.168.2.2/api/token/logout true 
09-13 00:42:58.152 29600-32408/some.example.okhttp I/INTERCEPT: BFINAL - LOGOUT - PROCEED http://192.168.2.2/api/token/logout 
09-13 00:42:58.245 29600-29600/some.example.okhttp I/INTERCEPT: FORCE CANCEL

出典

2016-09-12 TheAnimatrix

たびにRetrofitサービスを作成し、Servをインスタンス化します問題を引き起こす可能性のある氷が再び発生します。

private static AmazonServices amazonServices = null; 
    private static PurpleServices purpleServices = null; 

    static OkHttpClient.Builder httpClient = getUnsafeOkHttpClient(); 

    private static Retrofit.Builder builder = new Retrofit.Builder(); 

    public static <S> S createService(Class<S> serviceClass) { 

     S mAPI = null; 
     if (serviceClass.getSimpleName().equals("PurpleService")) { 
      if (purpleServices == null) { 
       purpleServices = (PurpleServices) createPurpleAPI(serviceClass); 
      } 
      mAPI = (S) purpleServices; 
     } else if (serviceClass.getSimpleName().equals("AmazonServices")) { 
      if (amazonServices == null) { 
       amazonServices = (AmazonServices) createAmazonAPI(serviceClass); 
      } 
      mAPI = (S) amazonServices; 
     } 
     return mAPI; 
    }

、あなたはこのようにそれを呼び出す：私はそのはずonclicklistenerからcreateservice方法を動かすので、もし

private AmazonServices amazonServices = RetrofitCreator.createService(AmazonServices.class);

出典

2016-09-12 19:41:07 Jaythaking

ダンの代わりにサービスのsingletonを返すfactoryを作る

試してみますそう？ – TheAnimatrix

はい、すばやい修正です...しかし、将来的には、サービスをインスタンス化するためのよりクリーンなアプローチの使用を検討するかもしれません。 – Jaythaking

私はそれを試してみて、それがうまく動作すればマークします:)私はそれを確信しています – TheAnimatrix

改造呼び出しが追加されています

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