CacheManagerConfig.java
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package com.huaheng.framework.config;
import com.huaheng.common.utils.RedisUtils;
import com.huaheng.common.utils.StringUtils;
import com.huaheng.framework.redis.RedisCacheManager;
import org.apache.commons.io.IOUtils;
import org.apache.shiro.cache.ehcache.EhCacheManager;
import org.apache.shiro.config.ConfigurationException;
import org.apache.shiro.io.ResourceUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
@Configuration
public class CacheManagerConfig
{
@Autowired
private RedisUtils redisUtils;
/**
* 缓存管理器 使用Ehcache实现
*/
@Bean
public EhCacheManager getEhCacheManager()
{
net.sf.ehcache.CacheManager cacheManager = net.sf.ehcache.CacheManager.getCacheManager("huaheng");
EhCacheManager em = new EhCacheManager();
if (StringUtils.isNull(cacheManager))
{
em.setCacheManager(new net.sf.ehcache.CacheManager(
getCacheManagerConfigFileInputStream("classpath:ehcache/ehcache-shiro.xml")));
return em;
}
else
{
em.setCacheManager(cacheManager);
return em;
}
}
/**
* 返回配置文件流 避免ehcache配置文件一直被占用，无法完全销毁项目重新部署
*/
protected InputStream getCacheManagerConfigFileInputStream(String configFile)
{
InputStream inputStream = null;
try
{
inputStream = ResourceUtils.getInputStreamForPath(configFile);
byte[] b = IOUtils.toByteArray(inputStream);
InputStream in = new ByteArrayInputStream(b);
return in;
}
catch (IOException e)
{
throw new ConfigurationException(
"Unable to obtain input stream for cacheManagerConfigFile [" + configFile + "]", e);
}
finally
{
IOUtils.closeQuietly(inputStream);
}
}
/**
* shiro缓存管理器; 需要添加到securityManager中
*
* @return
*/
@Bean
public RedisCacheManager getRedisCacheManager()
{
RedisCacheManager redisCacheManager = new RedisCacheManager();
redisCacheManager.setRedisUtils(redisUtils);
// redis中针对不同用户缓存
redisCacheManager.setPrincipalIdFieldName("loginName");
// 用户权限信息缓存时间
redisCacheManager.setExpire(30 * 60 * 1000);
return redisCacheManager;
}
}