com.squareup.okhttp.Callback.java Source code

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Here is the source code for com.squareup.okhttp.Callback.java

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/*
 * Copyright (C) 2014 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 com.squareup.okhttp;

import java.io.IOException;

public interface Callback {
    /**
     * Called when the request could not be executed due to cancellation, a
     * connectivity problem or timeout. Because networks can fail during an
     * exchange, it is possible that the remote server accepted the request
     * before the failure.
     */
    void onFailure(Request request, IOException e);

    /**
     * Called when the HTTP response was successfully returned by the remote
     * server. The callback may proceed to read the response body with {@link
     * Response#body}. The response is still live until its response body is
     * closed with {@code response.body().close()}. The recipient of the callback
     * may even consume the response body on another thread.
     *
     * <p>Note that transport-layer success (receiving a HTTP response code,
     * headers and body) does not necessarily indicate application-layer
     * success: {@code response} may still indicate an unhappy HTTP response
     * code like 404 or 500.
     */
    void onResponse(Response response) throws IOException;
}