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/*
 * Copyright (C) 2012 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;

/**
 * Communicates responses from a server or offline requests. One and only one method will be
 * invoked in response to a given request.
 * 

* Callback methods are executed using the {@link Retrofit} callback executor. When none is * specified, the following defaults are used: *

    *
  • Android: Callbacks are executed on the application's main (UI) thread.
  • *
  • JVM: Callbacks are executed on the background thread which performed the request.
  • *
* * @param Successful response body type. */ public interface Callback { /** * Invoked for a received HTTP response. *

* Note: An HTTP response may still indicate an application-level failure such as a 404 or 500. * Call {@link Response#isSuccessful()} to determine if the response indicates success. */ void onResponse(Call call, Response response); /** * Invoked when a network exception occurred talking to the server or when an unexpected * exception occurred creating the request or processing the response. */ void onFailure(Call call, Throwable t); }





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