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+package com.unissoft.policySystem.utils.minio;
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+
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+import io.minio.MinioClient;
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+import io.minio.ObjectStat;
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+import io.minio.errors.*;
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+import io.minio.messages.Bucket;
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+import org.springframework.beans.factory.annotation.Autowired;
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+import org.springframework.stereotype.Service;
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+import org.springframework.web.multipart.MultipartFile;
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+import org.xmlpull.v1.XmlPullParserException;
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+
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+import java.io.IOException;
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+import java.io.InputStream;
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+import java.security.InvalidKeyException;
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+import java.security.NoSuchAlgorithmException;
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+import java.util.List;
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+import java.util.Optional;
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+
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+/**
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+ * 文件描述
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+ *
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+ * @author tongxi.xia
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+ * @date 2020年12月04日 10:13
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+ */
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+@Service
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+public class MinioUtils {
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+
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+ @Autowired
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+ private MinioProp minioProp;
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+
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+ @Autowired
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+ private MinioClient client;
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+
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+ /**
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+ * 创建bucket
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+ */
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+ public void createBucket(String bucketName) throws Exception {
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+ if (!client.bucketExists(bucketName)) {
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+ client.makeBucket(bucketName);
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+ }
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+ }
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+
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+ /**
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+ * 上传文件,返回文件名
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+ */
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+ public String uploadFile(MultipartFile file, String bucketName) throws Exception {
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+ //判断文件是否为空
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+ if (null == file || 0 == file.getSize()) {
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+ return null;
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+ }
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+ //判断存储桶是否存在 不存在则创建
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+ createBucket(bucketName);
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+ //文件名
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+ String originalFilename = file.getOriginalFilename();
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+ //新的文件名 = 存储桶文件名_时间戳.后缀名
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+ String filelName = bucketName + "_" +
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+ System.currentTimeMillis() +
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+ originalFilename.substring(originalFilename.lastIndexOf("."));
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+ //开始上传
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+ client.putObject(bucketName, filelName, file.getInputStream(), file.getContentType());
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+ return filelName;
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+ }
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+
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+ /**
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+ * 获取全部bucket
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+ */
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+ public List<Bucket> getAllBuckets() throws Exception {
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+ return client.listBuckets();
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+ }
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+
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+ /**
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+ * 根据bucketName获取信息
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+ *
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+ * @param bucketName bucket名称
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+ */
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+ public Optional<Bucket> getBucket(String bucketName) throws IOException, InvalidKeyException, NoSuchAlgorithmException, InsufficientDataException, InvalidResponseException, InternalException, NoResponseException, InvalidBucketNameException, XmlPullParserException, ErrorResponseException {
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+ return client.listBuckets().stream().filter(b -> b.name().equals(bucketName)).findFirst();
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+ }
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+
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+ /**
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+ * 根据bucketName删除信息
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+ *
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+ * @param bucketName bucket名称
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+ */
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+ public void removeBucket(String bucketName) throws Exception {
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+ client.removeBucket(bucketName);
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+ }
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+
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+ /**
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+ * 获取⽂件外链
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+ *
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+ * @param bucketName bucket名称
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+ * @param objectName ⽂件名称
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+ * @param expires 过期时间 <=7
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+ * @return url
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+ */
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+ public String getObjectURL(String bucketName, String objectName, Integer expires) throws Exception {
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+ return client.presignedGetObject(bucketName, objectName, expires);
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+ }
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+
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+ /**
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+ * 获取⽂件
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+ *
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+ * @param bucketName bucket名称
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+ * @param objectName ⽂件名称
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+ * @return ⼆进制流
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+ */
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+ public InputStream getObject(String bucketName, String objectName) throws Exception {
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+ return client.getObject(bucketName, objectName);
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+ }
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+
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+ /**
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+ * 上传⽂件
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+ *
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+ * @param bucketName bucket名称
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+ * @param objectName ⽂件名称
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+ * @param stream ⽂件流
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+ * @throws Exception https://docs.minio.io/cn/java-client-api-reference.html#putObject
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+ */
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+ public void putObject(String bucketName, String objectName, InputStream stream) throws
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+ Exception {
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+ client.putObject(bucketName, objectName, stream, stream.available(),
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+ "application/octet-stream");
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+ }
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+
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+ /**
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+ * 上传⽂件
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+ *
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+ * @param bucketName bucket名称
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+ * @param objectName ⽂件名称
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+ * @param stream ⽂件流
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+ * @param size ⼤⼩
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+ * @param contextType 类型
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+ * @throws Exception https://docs.minio.io/cn/java-client-api-reference.html#putObject
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+ */
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+ public void putObject(String bucketName, String objectName, InputStream stream, long
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+ size, String contextType) throws Exception {
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+ client.putObject(bucketName, objectName, stream, size, contextType);
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+ }
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+
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+ /**
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+ * 获取⽂件信息
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+ *
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+ * @param bucketName bucket名称
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+ * @param objectName ⽂件名称
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+ * @throws Exception https://docs.minio.io/cn/java-client-api-reference.html#statObject
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+ */
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+ public ObjectStat getObjectInfo(String bucketName, String objectName) throws Exception {
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+ return client.statObject(bucketName, objectName);
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+ }
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+
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+ /**
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+ * 删除⽂件
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+ *
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+ * @param bucketName bucket名称
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+ * @param objectName ⽂件名称
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+ * @throws Exception https://docs.minio.io/cn/java-client-apireference.html#removeObject
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+ */
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+ public void removeObject(String bucketName, String objectName) throws Exception {
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+ client.removeObject(bucketName, objectName);
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+ }
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+}
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