red.honey.oss.utils.BeanConverter Maven / Gradle / Ivy
package red.honey.oss.utils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.io.FileUtils;
import org.springframework.beans.BeanUtils;
import red.honey.oss.api.dto.FileDto;
import red.honey.oss.api.dto.HoneyStream;
import red.honey.oss.api.utils.HoneyFileUtil;
import java.io.File;
import java.io.FileInputStream;
import java.util.ArrayList;
import java.util.List;
/**
* @author yangzhijie
* @date 2020/11/4 15:12
*/
@Slf4j
public class BeanConverter {
/**
* bean 的dto vo po 转换器
*
* @param source 源
* @param clazz 目标class
*/
public static T convert(S source, Class clazz) {
try {
T instance = clazz.newInstance();
BeanUtils.copyProperties(source, instance);
return instance;
} catch (InstantiationException | IllegalAccessException e) {
throw new RuntimeException("bean convert fail");
}
}
/**
* list bean 的dto vo po 转换器
*
* @param source 源
* @param clazz 目标class
*/
public static List convertByList(List source, Class clazz) {
List ts = new ArrayList<>();
for (S s : source) {
ts.add(convert(s, clazz));
}
return ts;
}
public static FileDto convert2FileDto(File file) {
FileDto fileDto = new FileDto();
try {
FileInputStream inputStream = FileUtils.openInputStream(file);
FileInputStream inputStreamTemp = FileUtils.openInputStream(file);
// 设置uid
fileDto.setUid(HoneyFileUtil.get32Uid());
// 设置流
HoneyStream honeyStream = new HoneyStream(inputStream);
fileDto.setHoneyStream(honeyStream);
// 设置文件名
String fileName = file.getName();
fileDto.setFileName(fileName);
// 设置fileKey
String fileKey = HoneyFileUtil.getFileKey(inputStreamTemp);
fileDto.setFileKey(fileKey);
// 设置文件格式
String fileSuffix = HoneyFileUtil.getFileSuffix(fileName);
fileDto.setFileSuffix(fileSuffix);
// 设置文件大小
long fileSize = HoneyFileUtil.getFileSize(inputStream);
fileDto.setFileSize(fileSize);
// 设置分片总数
fileDto.setShardTotal(0);
// 设置分片大小
fileDto.setShardSize(0);
return fileDto;
} catch (Exception e) {
log.warn("SDK构建FileDto失败，原因：{}", e.getMessage());
throw new RuntimeException(e);
}
}
}