| /* |
| * Copyright (C) 2013 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.internal.http; |
| |
| import com.squareup.okhttp.ResponseSource; |
| import java.io.IOException; |
| import java.net.CacheRequest; |
| import java.net.CacheResponse; |
| import java.net.HttpURLConnection; |
| import java.net.URI; |
| import java.net.URLConnection; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * An extended response cache API. Unlike {@link java.net.ResponseCache}, this |
| * interface supports conditional caching and statistics. |
| * |
| * <p>Along with the rest of the {@code internal} package, this is not a public |
| * API. Applications wishing to supply their own caches must use the more |
| * limited {@link java.net.ResponseCache} interface. |
| */ |
| public interface OkResponseCache { |
| CacheResponse get(URI uri, String requestMethod, Map<String, List<String>> requestHeaders) |
| throws IOException; |
| |
| CacheRequest put(URI uri, URLConnection urlConnection) throws IOException; |
| |
| /** |
| * Handles a conditional request hit by updating the stored cache response |
| * with the headers from {@code httpConnection}. The cached response body is |
| * not updated. If the stored response has changed since {@code |
| * conditionalCacheHit} was returned, this does nothing. |
| */ |
| void update(CacheResponse conditionalCacheHit, HttpURLConnection connection) throws IOException; |
| |
| /** Track an conditional GET that was satisfied by this cache. */ |
| void trackConditionalCacheHit(); |
| |
| /** Track an HTTP response being satisfied by {@code source}. */ |
| void trackResponse(ResponseSource source); |
| } |