001/**
002 * Copyright (c) 2015-2022, Michael Yang 杨福海 (fuhai999@gmail.com).
003 * <p>
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 * <p>
008 * http://www.apache.org/licenses/LICENSE-2.0
009 * <p>
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package io.jboot.support.shiro.cache;
017
018import com.google.common.cache.CacheBuilder;
019import org.apache.shiro.cache.Cache;
020import org.apache.shiro.cache.CacheException;
021import org.apache.shiro.cache.CacheManager;
022
023import java.util.concurrent.ExecutionException;
024import java.util.concurrent.TimeUnit;
025
026/**
027 * 封装 shiro cache manager
028 *
029 * 通过 shiro.ini 的进行配置，配置如下 ：
030 *
031 * shiroCacheManager = io.jboot.support.shiro.cache.JbootShiroCacheManager
032 * securityManager.cacheManager = $shiroCacheManager
033 */
034public class JbootShiroCacheManager implements CacheManager {
035
036
037    private static final com.google.common.cache.Cache<String, Cache> guavaCache = CacheBuilder
038            .newBuilder()
039            .expireAfterWrite(40, TimeUnit.MINUTES)
040            .expireAfterAccess(40, TimeUnit.MINUTES)
041            .build();
042
043
044    @Override
045    public <K, V> Cache<K, V> getCache(String name) throws CacheException {
046        try {
047            return guavaCache.get(name, () -> new JbootShiroCache(name));
048        } catch (ExecutionException e) {
049            throw new CacheException(e);
050        }
051    }
052
053}