🐛 StackOverflowError 问题修复
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ronger
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869d881f81
@ -1,8 +1,11 @@
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package com.rymcu.forest.service.impl;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONObject;
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import com.rymcu.forest.core.exception.BusinessException;
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import com.rymcu.forest.core.exception.ServiceException;
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import com.rymcu.forest.core.service.AbstractService;
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import com.rymcu.forest.core.service.redis.RedisService;
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import com.rymcu.forest.dto.ArticleTagDTO;
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import com.rymcu.forest.dto.LabelModel;
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import com.rymcu.forest.entity.Article;
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@ -10,7 +13,6 @@ import com.rymcu.forest.entity.Tag;
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import com.rymcu.forest.mapper.ArticleMapper;
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import com.rymcu.forest.mapper.TagMapper;
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import com.rymcu.forest.service.TagService;
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import com.rymcu.forest.util.CacheUtils;
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import com.rymcu.forest.util.XssUtils;
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import com.rymcu.forest.web.api.common.UploadController;
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import com.rymcu.forest.web.api.exception.BaseApiException;
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@ -35,6 +37,8 @@ public class TagServiceImpl extends AbstractService<Tag> implements TagService {
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private TagMapper tagMapper;
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@Resource
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private ArticleMapper articleMapper;
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@Resource
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private RedisService redisService;
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@Override
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@Transactional(rollbackFor = {UnsupportedEncodingException.class, BaseApiException.class})
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@ -63,7 +67,7 @@ public class TagServiceImpl extends AbstractService<Tag> implements TagService {
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int n = articleTagDTOList.size();
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for (int m = 0; m < n; m++) {
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ArticleTagDTO articleTag = articleTagDTOList.get(m);
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if (articleTag.getIdTag().equals(tag.getIdTag())) {
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if (articleTag.getIdTag().toString().equals(tag.getIdTag().toString())) {
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articleTagDTOList.remove(articleTag);
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m--;
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n--;
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@ -93,6 +97,7 @@ public class TagServiceImpl extends AbstractService<Tag> implements TagService {
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return 1;
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} else {
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if (StringUtils.isNotBlank(articleContentHtml)) {
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article.setArticleTags("待分类");
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saveTagArticle(article, articleContentHtml, userId);
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}
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}
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@ -152,10 +157,10 @@ public class TagServiceImpl extends AbstractService<Tag> implements TagService {
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@Override
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public List<LabelModel> findTagLabels() {
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List<LabelModel> list = (List<LabelModel>) CacheUtils.get("tags");
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List<LabelModel> list = JSONObject.parseArray(redisService.get("tags"), LabelModel.class);
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if (list == null) {
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list = tagMapper.selectTagLabels();
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CacheUtils.put("tags", list);
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redisService.set("tags", JSON.toJSONString(list), 600);
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}
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return list;
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}
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@ -1,135 +0,0 @@
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package com.rymcu.forest.util;
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import org.apache.shiro.cache.Cache;
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import org.apache.shiro.cache.CacheManager;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.util.Set;
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/**
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* Cache工具类
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*/
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public class CacheUtils {
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private static final Logger LOGGER = LoggerFactory.getLogger(CacheUtils.class);
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private static final CacheManager CACHE_MANAGER = SpringContextHolder.getBean(CacheManager.class);
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private static final String SYS_CACHE = "system";
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/**
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* 获取SYS_CACHE缓存
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* @param key 键值
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* @return 缓存对象
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*/
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public static Object get(String key) {
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return get(SYS_CACHE, key);
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}
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/**
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* 获取SYS_CACHE缓存
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* @param key 键值
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* @param defaultValue 默认返回值
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* @return 缓存对象或默认值
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*/
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public static Object get(String key, Object defaultValue) {
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Object value = get(key);
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return value != null ? value : defaultValue;
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}
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/**
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* 写入SYS_CACHE缓存
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* @param key 键值
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* @param value 被缓存对象
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*/
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public static void put(String key, Object value) {
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put(SYS_CACHE, key, value);
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}
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/**
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* 从SYS_CACHE缓存中移除
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* @param key 键值
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*/
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public static void remove(String key) {
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remove(SYS_CACHE, key);
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}
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/**
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* 获取指定命名空间下的缓存
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* @param cacheName 缓存命名空间
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* @param key 键值
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* @return 该命名空间下的对应键值缓存
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*/
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public static Object get(String cacheName, String key) {
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return getCache(cacheName).get(getKey(key));
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}
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/**
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* 获取指定命名空间下的缓存，并在无缓存对象时返回默认值
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* @param cacheName 缓存命名空间
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* @param key 键值
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* @param defaultValue 默认返回值
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* @return 缓存对象或默认值
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*/
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public static Object get(String cacheName, String key, Object defaultValue) {
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Object value = get(cacheName, getKey(key));
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return value != null ? value : defaultValue;
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}
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/**
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* 向指定命名空间下存入被缓存对象
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* @param cacheName 缓存命名空间
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* @param key 键值
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* @param value 该命名空间下被缓存对象
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*/
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public static void put(String cacheName, String key, Object value) {
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getCache(cacheName).put(getKey(key), value);
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}
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/**
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* 将指定命名空间下的缓存移除
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* @param cacheName 缓存命名空间
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* @param key 键值
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*/
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public static void remove(String cacheName, String key) {
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getCache(cacheName).remove(getKey(key));
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}
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/**
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* 清空命名空间下所有缓存
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* @param cacheName 命名空间
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*/
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public static void removeAll(String cacheName) {
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Cache<String, Object> cache = getCache(cacheName);
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Set<String> keys = cache.keys();
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cache.clear();
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LOGGER.info("清理缓存： {} => {}", cacheName, keys);
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}
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/**
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* 获取缓存键名，多数据源下增加数据源名称前缀
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* @param key 键值
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* @return 返回对应数据源前缀拼接键值
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*/
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private static String getKey(String key){
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// String dsName = DataSourceHolder.getDataSourceName();
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// if (StringUtils.isNotBlank(dsName)){
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// return dsName + "_" + key;
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// }
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return key;
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}
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/**
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* 获得指定命名空间的Cache，没有则显示日志。
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* @param cacheName 命名空间
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* @return 命名空间对应的Cache
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*/
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private static Cache<String, Object> getCache(String cacheName){
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Cache<String, Object> cache = CACHE_MANAGER.getCache(cacheName);
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if (cache == null){
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throw new RuntimeException("当前系统中没有定义“"+cacheName+"”这个缓存。");
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}
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return cache;
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}
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}
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