jiangping
2023-08-29 65d26bd2be023009c3617ba5ee0ddb85442e86b6
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package doumeemes.config.shiro;
 
import lombok.extern.slf4j.Slf4j;
import org.apache.shiro.cache.Cache;
import org.apache.shiro.cache.CacheException;
import org.apache.shiro.cache.CacheManager;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Component;
 
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
 
/**
 * 自定义Shiro CacheManager
 * @author Eva.Caesar Liu
 * @date 2022/04/18 18:12
 */
@Slf4j
//@Component
public class ShiroCacheManager implements CacheManager {
 
    private final ConcurrentMap<String, Cache> caches = new ConcurrentHashMap();
 
    private static ApplicationContext applicationContext;
 
    @Override
    public <K, V> Cache<K, V> getCache(String name) throws CacheException {
        log.debug("get cache, name=" + name);
        Cache cache = this.caches.get(name);
        if (cache == null) {
            cache = applicationContext.getBean(ShiroCache.class, "shiro:cache:");
            this.caches.put(name, cache);
        }
        return cache;
    }
 
    @Autowired
    public void setApplicationContext (ApplicationContext applicationContext) {
        if (ShiroCacheManager.applicationContext == null) {
            ShiroCacheManager.applicationContext = applicationContext;
        }
    }
}