retrofit2.adapter.scala.BodyCallAdapter Maven / Gradle / Ivy

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/*
 * Copyright (C) 2017 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package retrofit2.adapter.scala;

import java.lang.reflect.Type;
import retrofit2.Call;
import retrofit2.CallAdapter;
import retrofit2.Callback;
import retrofit2.HttpException;
import retrofit2.Response;
import scala.concurrent.Future;
import scala.concurrent.Promise;

final class BodyCallAdapter implements CallAdapter> {
  private final Type responseType;

  BodyCallAdapter(Type responseType) {
    this.responseType = responseType;
  }

  @Override
  public Type responseType() {
    return responseType;
  }

  @Override
  public Future adapt(Call call) {
    Promise promise = Promise.apply();

    call.enqueue(
        new Callback() {
          @Override
          public void onResponse(Call call, Response response) {
            if (response.isSuccessful()) {
              promise.success(response.body());
            } else {
              promise.failure(new HttpException(response));
            }
          }

          @Override
          public void onFailure(Call call, Throwable t) {
            promise.failure(t);
          }
        });

    return promise.future();
  }
}