| | |
| | | import com.ruoyi.oss.properties.CloudStorageProperties; |
| | | import com.ruoyi.oss.service.ICloudStorageStrategy; |
| | | import com.ruoyi.oss.service.abstractd.AbstractCloudStorageStrategy; |
| | | import lombok.extern.slf4j.Slf4j; |
| | | |
| | | import java.util.Date; |
| | | import java.util.Map; |
| | | import java.util.concurrent.ConcurrentHashMap; |
| | | |
| | |
| | | * |
| | | * @author Lion Li |
| | | */ |
| | | @Slf4j |
| | | public class OssFactory { |
| | | |
| | | private static RedisCache redisCache; |
| | | |
| | | static { |
| | | OssFactory.redisCache = SpringUtils.getBean(RedisCache.class); |
| | | redisCache.subscribe(CloudConstant.CACHE_CONFIG_KEY, String.class, msg -> { |
| | | refreshService(msg); |
| | | log.info("订阅刷新OSS配置 => " + msg); |
| | | }); |
| | | } |
| | | |
| | | /** |
| | | * 服务实例缓存 |
| | | */ |
| | | private static final Map<String, ICloudStorageStrategy> SERVICES = new ConcurrentHashMap<>(); |
| | | |
| | | /** |
| | | * 服务配置更新时间缓存 |
| | | */ |
| | | private static final Map<String, Date> SERVICES_UPDATE_TIME = new ConcurrentHashMap<>(); |
| | | |
| | | /** |
| | | * 获取默认实例 |
| | |
| | | */ |
| | | public static ICloudStorageStrategy instance(String type) { |
| | | ICloudStorageStrategy service = SERVICES.get(type); |
| | | Date oldDate = SERVICES_UPDATE_TIME.get(type); |
| | | if (service == null) { |
| | | refreshService(type); |
| | | service = SERVICES.get(type); |
| | | } |
| | | return service; |
| | | } |
| | | |
| | | private static void refreshService(String type) { |
| | | Object json = redisCache.getCacheObject(CloudConstant.SYS_OSS_KEY + type); |
| | | CloudStorageProperties properties = JsonUtils.parseObject(json.toString(), CloudStorageProperties.class); |
| | | if (properties == null) { |
| | | throw new OssException("系统异常, '" + type + "'配置信息不存在!"); |
| | | } |
| | | Date nowDate = properties.getUpdateTime(); |
| | | // 服务存在并更新时间相同则返回(使用更新时间确保配置最终一致性) |
| | | if (service != null && oldDate.equals(nowDate)) { |
| | | return service; |
| | | } |
| | | // 获取redis配置信息 创建对象 并缓存 |
| | | service = (ICloudStorageStrategy) ReflectUtils.newInstance(CloudServiceEnumd.getServiceClass(type)); |
| | | ICloudStorageStrategy service = (ICloudStorageStrategy) ReflectUtils.newInstance(CloudServiceEnumd.getServiceClass(type)); |
| | | ((AbstractCloudStorageStrategy)service).init(properties); |
| | | SERVICES.put(type, service); |
| | | SERVICES_UPDATE_TIME.put(type, nowDate); |
| | | return service; |
| | | } |
| | | |
| | | } |