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/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * 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 org.robolectric.fakes;

import java.net.CacheResponse;
import java.net.HttpURLConnection;

/**
 * A response cache that supports statistics tracking and updating stored responses. Implementations
 * of {@link java.net.ResponseCache} should implement this interface to receive additional support
 * from the HTTP engine.
 */
public interface RoboExtendedResponseCache {

  /**
   * Track an HTTP response being satisfied by {@code source}.
   *
   * @param source Response source.
   */
  void trackResponse(RoboResponseSource source);

  /** Track an conditional GET that was satisfied by this cache. */
  void trackConditionalCacheHit();

  /**
   * Updates stored HTTP headers using a hit on a conditional GET.
   *
   * @param conditionalCacheHit Conditional cache hit.
   * @param httpConnection Http connection.
   */
  void update(CacheResponse conditionalCacheHit, HttpURLConnection httpConnection);
}