1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package java.net;
18
19/**
20 * A response cache that supports statistics tracking and updating stored
21 * responses. Implementations of {@link ResponseCache} should implement this
22 * interface to receive additional support from the HTTP engine.
23 *
24 * @hide
25 */
26public interface ExtendedResponseCache {
27
28    /*
29     * This hidden interface is defined in a non-hidden package (java.net) so
30     * its @hide tag will be parsed by Doclava. This hides this interface from
31     * implementing classes' documentation.
32     */
33
34    /**
35     * Track an HTTP response being satisfied by {@code source}.
36     * @hide
37     */
38    void trackResponse(ResponseSource source);
39
40    /**
41     * Track an conditional GET that was satisfied by this cache.
42     * @hide
43     */
44    void trackConditionalCacheHit();
45
46    /**
47     * Updates stored HTTP headers using a hit on a conditional GET.
48     * @hide
49     */
50    void update(CacheResponse conditionalCacheHit, HttpURLConnection httpConnection);
51}
52