| /* |
| * Copyright (C) 2018, Thomas Wolf <thomas.wolf@paranor.ch> and others |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0 which is available at |
| * https://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| package org.eclipse.jgit.transport.sshd; |
| |
| import java.nio.file.Path; |
| import java.security.KeyPair; |
| import java.security.PrivateKey; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.atomic.AtomicReference; |
| import java.util.function.Function; |
| |
| import javax.security.auth.DestroyFailedException; |
| |
| /** |
| * A simple {@link KeyCache}. JGit uses one such cache in its |
| * {@link SshdSessionFactory} to avoid loading keys multiple times. |
| * |
| * @since 5.2 |
| */ |
| public class JGitKeyCache implements KeyCache { |
| |
| private AtomicReference<Map<Path, KeyPair>> cache = new AtomicReference<>( |
| new ConcurrentHashMap<>()); |
| |
| @Override |
| public KeyPair get(Path path, |
| Function<? super Path, ? extends KeyPair> loader) { |
| return cache.get().computeIfAbsent(path, loader); |
| } |
| |
| @Override |
| public void close() { |
| Map<Path, KeyPair> map = cache.getAndSet(null); |
| if (map == null) { |
| return; |
| } |
| for (KeyPair k : map.values()) { |
| PrivateKey p = k.getPrivate(); |
| try { |
| p.destroy(); |
| } catch (DestroyFailedException e) { |
| // Ignore here. We did our best. |
| } |
| } |
| map.clear(); |
| } |
| } |