package com.ruoyi.oss.factory;
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import com.ruoyi.common.utils.JsonUtils;
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import com.ruoyi.common.utils.StringUtils;
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import com.ruoyi.common.utils.redis.RedisUtils;
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import com.ruoyi.common.utils.spring.SpringUtils;
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import com.ruoyi.oss.constant.OssConstant;
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import com.ruoyi.oss.enumd.OssEnumd;
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import com.ruoyi.oss.exception.OssException;
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import com.ruoyi.oss.properties.OssProperties;
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import com.ruoyi.oss.service.IOssStrategy;
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import com.ruoyi.oss.service.abstractd.AbstractOssStrategy;
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import lombok.extern.slf4j.Slf4j;
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/**
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* 文件上传Factory
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*
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* @author Lion Li
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*/
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@Slf4j
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public class OssFactory {
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/**
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* 初始化工厂
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*/
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public static void init() {
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log.info("初始化OSS工厂");
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RedisUtils.subscribe(OssConstant.CACHE_CONFIG_KEY, String.class, type -> {
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AbstractOssStrategy strategy = getStrategy(type);
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// 未初始化不处理
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if (strategy.isInit) {
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refresh(type);
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log.info("订阅刷新OSS配置 => " + type);
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}
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});
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}
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/**
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* 获取默认实例
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*/
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public static IOssStrategy instance() {
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// 获取redis 默认类型
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String type = RedisUtils.getCacheObject(OssConstant.CACHE_CONFIG_KEY);
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if (StringUtils.isEmpty(type)) {
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throw new OssException("文件存储服务类型无法找到!");
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}
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return instance(type);
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}
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/**
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* 根据类型获取实例
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*/
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public static IOssStrategy instance(String type) {
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OssEnumd enumd = OssEnumd.find(type);
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if (enumd == null) {
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throw new OssException("文件存储服务类型无法找到!");
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}
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AbstractOssStrategy strategy = getStrategy(type);
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if (!strategy.isInit) {
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refresh(type);
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}
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return strategy;
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}
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private static void refresh(String type) {
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Object json = RedisUtils.getCacheObject(OssConstant.SYS_OSS_KEY + type);
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OssProperties properties = JsonUtils.parseObject(json.toString(), OssProperties.class);
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if (properties == null) {
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throw new OssException("系统异常, '" + type + "'配置信息不存在!");
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}
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getStrategy(type).init(properties);
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}
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private static AbstractOssStrategy getStrategy(String type) {
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OssEnumd enumd = OssEnumd.find(type);
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return (AbstractOssStrategy) SpringUtils.getBean(enumd.getBeanClass());
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}
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}
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