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There is a newer version: 5.0.0-alpha.14
/*
 * 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 okhttp3;

import java.net.InetAddress;
import java.util.List;

// TODO(jwilson): make this public after the 3.7 release.
abstract class EventListener {
  public static final EventListener NONE = new EventListener() {
  };

  static EventListener.Factory factory(final EventListener listener) {
    return new EventListener.Factory() {
      public EventListener create(Call call) {
        return listener;
      }
    };
  }

  public void fetchStart(Call call) {
  }

  public void dnsStart(Call call, String domainName) {
  }

  public void dnsEnd(Call call, String domainName, List inetAddressList,
      Throwable throwable) {
  }

  public void connectStart(Call call, InetAddress address, int port) {
  }

  public void secureConnectStart(Call call) {
  }

  public void secureConnectEnd(Call call, Handshake handshake,
      Throwable throwable) {
  }

  public void connectEnd(Call call,  InetAddress address, int port, String protocol,
      Throwable throwable) {
  }

  public void requestHeadersStart(Call call) {
  }

  public void requestHeadersEnd(Call call, Throwable throwable) {
  }

  public void requestBodyStart(Call call) {
  }

  public void requestBodyEnd(Call call, Throwable throwable) {
  }

  public void responseHeadersStart(Call call) {
  }

  public void responseHeadersEnd(Call call, Throwable throwable) {
  }

  public void responseBodyStart(Call call) {
  }

  public void responseBodyEnd(Call call, Throwable throwable) {
  }

  public void fetchEnd(Call call, Throwable throwable) {
  }

  public interface Factory {
    EventListener create(Call call);
  }
}