cn.herodotus.oss.solution.service.OssObjectStreamService Maven / Gradle / Ivy
/*
* Copyright (c) 2020-2030 码匠君
*
* Dante Cloud licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Dante OSS 采用APACHE LICENSE 2.0开源协议，您在使用过程中，需要注意以下几点：
*
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package cn.herodotus.oss.solution.service;
import cn.herodotus.oss.dialect.core.exception.OssIOException;
import cn.herodotus.oss.specification.arguments.object.PutObjectArguments;
import cn.herodotus.oss.specification.core.repository.OssObjectRepository;
import cn.herodotus.oss.specification.domain.object.GetObjectDomain;
import cn.herodotus.oss.specification.domain.object.ObjectMetadataDomain;
import cn.herodotus.oss.specification.domain.object.PutObjectDomain;
import jakarta.servlet.http.HttpServletResponse;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpHeaders;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
import java.io.IOException;
import java.io.InputStream;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
/**
* Description: OSS 对象流式上传、下载 Service
*
* @author : gengwei.zheng
* @date : 2023/8/17 16:36
*/
@Service
public class OssObjectStreamService {
private static final Logger log = LoggerFactory.getLogger(OssObjectStreamService.class);
private final OssObjectRepository ossObjectRepository;
public OssObjectStreamService(OssObjectRepository ossObjectRepository) {
this.ossObjectRepository = ossObjectRepository;
}
/**
* 流式文件下载
*
* @param bucketName 存储桶名称
* @param objectName 存储对象名称
* @param isOnline true 在线显示，false 直接下载
* @param response {@link HttpServletResponse}
* @throws IOException 输入输出错误
*/
private void stream(String bucketName, String objectName, boolean isOnline, HttpServletResponse response) throws IOException {
ObjectMetadataDomain objectMetadata = ossObjectRepository.getObjectMetadata(bucketName, objectName);
String type = isOnline ? "inline" : "attachment";
response.setContentType(objectMetadata.getContentType());
response.setCharacterEncoding(StandardCharsets.UTF_8.name());
response.setHeader(HttpHeaders.CONTENT_DISPOSITION, type + ";filename=" + URLEncoder.encode(objectName, StandardCharsets.UTF_8));
GetObjectDomain domain = ossObjectRepository.getObject(bucketName, objectName);
InputStream is = domain.getObjectContent();
IOUtils.copy(is, response.getOutputStream());
IOUtils.closeQuietly(is);
}
/**
* 以流的方式返回响应内容，前端可直接下载
*
* @param bucketName 存储桶名称
* @param objectName 存储对象名称
* @param response {@link HttpServletResponse}
* @throws IOException 输入输出错误
*/
public void download(String bucketName, String objectName, HttpServletResponse response) throws IOException {
stream(bucketName, objectName, false, response);
}
/**
* 以流的方式返回响应内容，前端可直接展示
*
* @param bucketName 存储桶名称
* @param objectName 存储对象名称
* @param response {@link HttpServletResponse}
* @throws IOException 输入输出错误
*/
public void display(String bucketName, String objectName, HttpServletResponse response) throws IOException {
stream(bucketName, objectName, true, response);
}
/**
* 普通文件上传
*
* @param bucketName 存储桶名称
* @param file 文件 {@link MultipartFile}
* @return 上传结果实体 {@link PutObjectDomain}
*/
public PutObjectDomain upload(String bucketName, MultipartFile file) {
try {
PutObjectArguments arguments = new PutObjectArguments();
arguments.setContentType(file.getContentType());
arguments.setObjectSize(file.getSize());
arguments.setPartSize(-1L);
arguments.setInputStream(file.getInputStream());
arguments.setObjectName(file.getOriginalFilename());
arguments.setBucketName(bucketName);
return ossObjectRepository.putObject(arguments);
} catch (IOException e) {
log.error("[Herodotus] |- Minio upload catch IOException.", e);
throw new OssIOException(e.getMessage());
}
}
}