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🎨 优化代码, 将通用方法抽取为抽象类

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zhaojun1998
2019-12-28 23:17:56 +08:00
parent 9aaf1494b1
commit 65616e045b
11 changed files with 360 additions and 595 deletions
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89
src/main/java/im/zhaojun/common/service/FileService.java
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@@ -1,23 +1,12 @@
package im.zhaojun.common.service;
import im.zhaojun.common.config.ZFileCacheConfiguration;
import im.zhaojun.common.model.dto.FileItemDTO;
import im.zhaojun.common.model.enums.FileTypeEnum;
import im.zhaojun.common.model.enums.StorageTypeEnum;
import im.zhaojun.common.util.StringUtils;
import org.springframework.aop.framework.AopContext;
import org.springframework.cache.annotation.CacheConfig;
import org.springframework.cache.annotation.CacheEvict;
import javax.annotation.PostConstruct;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.List;
/**
* @author zhaojun
*/
@CacheConfig(cacheNames = ZFileCacheConfiguration.CACHE_NAME, keyGenerator = "keyGenerator")
public interface FileService {
/**
@@ -36,82 +25,4 @@ public interface FileService {
*/
String getDownloadUrl(String path) throws Exception;
/**
* 初始化方法, 启动时自动调用实现类的此方法进行初始化.
*/
@PostConstruct
default void init() {}
/**
* 清除缓存.
*/
@CacheEvict(allEntries = true)
default void clearCache() {}
/**
* 搜索文件
* @param name 文件名
* @return 包含该文件名的所有文件或文件夹
* @throws Exception 搜索过程出现的异常
*/
default List<FileItemDTO> search(String name) throws Exception {
List<FileItemDTO> result = new ArrayList<>();
List<FileItemDTO> fileItemList = selectAllFileList();
for (FileItemDTO fileItemDTO : fileItemList) {
if (fileItemDTO.getName().contains(name)) {
result.add(fileItemDTO);
}
}
return result;
}
/**
* 查询所有文件
* @return 所有文件
* @throws Exception 异常现象
*/
default List<FileItemDTO> selectAllFileList() throws Exception {
List<FileItemDTO> result = new ArrayList<>();
String path = "/";
FileService currentFileService = (FileService) AopContext.currentProxy();
List<FileItemDTO> fileItemList = currentFileService.fileList(path);
ArrayDeque<FileItemDTO> queue = new ArrayDeque<>(fileItemList);
while (!queue.isEmpty()) {
FileItemDTO fileItemDTO = queue.pop();
result.add(fileItemDTO);
if (fileItemDTO.getType() == FileTypeEnum.FOLDER) {
String filePath = StringUtils.removeDuplicateSeparator("/" + fileItemDTO.getPath() + "/" + fileItemDTO.getName() + "/");
queue.addAll(currentFileService.fileList(filePath));
}
}
return result;
}
/**
* 获取存储引擎类型
* @return 存储引擎类型枚举
*/
StorageTypeEnum getStorageTypeEnum();
/**
* 获取是否初始化成功
* @return 初始化成功与否
*/
boolean getIsInitialized();
default boolean testConnection() {
boolean flag = true;
try {
fileList("/");
} catch (Exception e) {
flag = false;
}
return flag;
}
}