Copyright (c) 2015, Chris Greenhalgh
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Java Source Code
/*
* Copyright (C) 2013 Square, Inc.//www.java2s.com
*
* 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;
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.
*
* <h3>Warning: Experimental OkHttp 2.0 API</h3>
* This class is in beta. APIs are subject to change!
*/publicinterface OkResponseCache {
CacheResponse get(URI uri, String requestMethod, Map<String, List<String>> requestHeaders)
throws IOException;
CacheRequest put(URI uri, URLConnection urlConnection) throws IOException;
/** Remove any cache entries for the supplied {@code uri} if the request method invalidates. */void maybeRemove(String requestMethod, URI uri) 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);
}