Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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.sanweibook.lingdu.shiro.cache; import com.sanweibook.lingdu.redis.core.RedisClientTemplate; import org.apache.shiro.cache.Cache; import org.apache.shiro.cache.CacheException; import org.apache.shiro.cache.CacheManager; import org.apache.shiro.util.StringUtils; import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.ConcurrentMap; /** * Created by twg on 16/11/4. */ public class RedisCacheManager implements CacheManager { private RedisClientTemplate redisClientTemplate; private String prefixKey = "shiro_redis_cache_"; private final ConcurrentMap<String, Cache> caches = new ConcurrentHashMap<String, Cache>(); @Override public <K, V> Cache<K, V> getCache(String name) throws CacheException { if (!StringUtils.hasText(name)) { throw new CacheException("getCache the name cannot be null"); } Cache cache = caches.get(name); if (cache == null && StringUtils.hasText(prefixKey)) { cache = new RedisCache(redisClientTemplate, prefixKey); } caches.put(name, cache); return cache; } public void setRedisClientTemplate(RedisClientTemplate redisClientTemplate) { this.redisClientTemplate = redisClientTemplate; } public void setPrefixKey(String prefixKey) { this.prefixKey = prefixKey; } }