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- /*
- * Copyright (C) 2018, Konrad Windszus <konrad_w@gmx.de>
- * and other copyright owners as documented in the project's IP log.
- *
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Distribution License v1.0 which
- * accompanies this distribution, is reproduced below, and is
- * available at http://www.eclipse.org/org/documents/edl-v10.php
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- *
- * - Neither the name of the Eclipse Foundation, Inc. nor the
- * names of its contributors may be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- package org.eclipse.jgit.internal.transport.http;
-
- import java.nio.file.Path;
-
- import org.eclipse.jgit.transport.HttpConfig;
- import org.eclipse.jgit.util.LRUMap;
-
- /**
- * A cache of all known cookie files ({@link NetscapeCookieFile}). May contain
- * at most {@code n} entries, where the least-recently used one is evicted as
- * soon as more entries are added. The maximum number of entries (={@code n})
- * can be set via the git config key {@code http.cookieFileCacheLimit}. By
- * default it is set to 10.
- * <p>
- * The cache is global, i.e. it is shared among all consumers within the same
- * Java process.
- *
- * @see NetscapeCookieFile
- *
- */
- public class NetscapeCookieFileCache {
-
- private final LRUMap<Path, NetscapeCookieFile> cookieFileMap;
-
- private static NetscapeCookieFileCache instance;
-
- private NetscapeCookieFileCache(HttpConfig config) {
- cookieFileMap = new LRUMap<>(config.getCookieFileCacheLimit(),
- config.getCookieFileCacheLimit());
- }
-
- /**
- * @param config
- * the config which defines the limit for this cache
- * @return the singleton instance of the cookie file cache. If the cache has
- * already been created the given config is ignored (even if it
- * differs from the config, with which the cache has originally been
- * created)
- */
- public static NetscapeCookieFileCache getInstance(HttpConfig config) {
- if (instance == null) {
- return new NetscapeCookieFileCache(config);
- }
- return instance;
- }
-
- /**
- * @param path
- * the path of the cookie file to retrieve
- * @return the cache entry belonging to the requested file
- */
- public NetscapeCookieFile getEntry(Path path) {
- if (!cookieFileMap.containsKey(path)) {
- synchronized (NetscapeCookieFileCache.class) {
- if (!cookieFileMap.containsKey(path)) {
- cookieFileMap.put(path, new NetscapeCookieFile(path));
- }
- }
- }
- return cookieFileMap.get(path);
- }
-
- }
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