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CallbackRequest Retrofit 2.0
import android.util.Log;
import java.io.IOException;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
/**
* Created by halysongoncalves on 22/12/15.
*/
public abstract class CallbackRequest<T> implements Callback<T> {
private static final String TAG = CallbackRequest.class.getSimpleName();
@Override
public void onResponse(Call<T> call, Response<T> response) {
try {
switch (response.code()) {
case Kind.HTTP_200:
http2xx(Kind.HTTP_200, response);
break;
case Kind.HTTP_201:
http2xx(Kind.HTTP_201, response);
break;
case Kind.HTTP_204:
http2xx(Kind.HTTP_200, response);
break;
case Kind.HTTP_400:
http400(response.errorBody().string(), Kind.HTTP_400);
break;
case Kind.HTTP_401:
http401(response.errorBody().string(), Kind.HTTP_401);
break;
case Kind.HTTP_403:
unexpectedError();
break;
default:
unexpectedError();
break;
}
} catch (IOException ioExceotion) {
Log.e(TAG, "Error retrieving body", ioExceotion);
}
}
@Override
public void onFailure(Call<T> call, Throwable throwable) {
if (throwable instanceof IOException) {
networkError();
return;
}
unexpectedError();
}
protected abstract void http2xx(int status, Response<T> response);
protected abstract void http400(String error, int status);
protected abstract void http401(String error, int status);
protected abstract void networkError();
protected abstract void unexpectedError();
interface Kind {
/**
* HTTP status code 200 was received from the server
*/
int HTTP_200 = 200;
/**
* HTTP status code 201 was received from the server
*/
int HTTP_201 = 201;
/**
* HTTP status code 204 was received from the server
*/
int HTTP_204 = 204;
/**
* HTTP status code 400 was received from the server
*/
int HTTP_400 = 400;
/**
* HTTP status code 401 was received from the server.
*/
int HTTP_401 = 401;
/**
* HTTP status code 403 was received from the server.
*/
int HTTP_403 = 403;
}
}
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