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package cn.estsh.i3plus.ext.mes.apiservice.utils;
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import com.obs.services.ObsClient;
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import com.obs.services.model.*;
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import groovy.util.logging.Slf4j;
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import org.apache.commons.lang.StringUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.web.multipart.MultipartFile;
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import java.io.*;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* @Description : ObsUtil
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* @Author :gsz
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* @Date 2024/6/11 14:55
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* @Modify
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**/
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@Slf4j
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public class HuaWeiOBSUtil {
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public static final Logger LOGGER = LoggerFactory.getLogger(HuaWeiOBSUtil.class);
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//
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// @Autowired
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// HuaWeiCloudObsConfig obsConfig;
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/**
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* 文件外链过期时间，7天
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*/
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private static long expire = 7 * 24 * 60 * 60;
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/**
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* 文件外链访问端口
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*/
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private static String port = ":443";
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private static String bucketName;
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private static String ak;
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private static String sk;
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private static String endPoint;
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/**
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* OBS操作客户端
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*/
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private static ObsClient obsClient = null;
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private static final String SEPARATOR = "/";
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public HuaWeiOBSUtil(String bucketName, String ak, String sk, String endPoint) {
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HuaWeiOBSUtil.bucketName = bucketName;
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HuaWeiOBSUtil.ak = ak;
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HuaWeiOBSUtil.sk = sk;
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HuaWeiOBSUtil.endPoint = endPoint;
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createObsClientInstance();
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}
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// public HuaWeiOBSUtil(HuaWeiCloudObsConfig obsConfig) {
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// HuaWeiOBSUtil.bucketName = obsConfig.getBucketName();
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// HuaWeiOBSUtil.ak = obsConfig.getAk();
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// HuaWeiOBSUtil.sk = obsConfig.getSk();
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// HuaWeiOBSUtil.endPoint = obsConfig.getEndPoint();
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// createObsClientInstance();
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// }
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public static String getBucketName() {
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return bucketName;
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}
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public static String getAk() {
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return ak;
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}
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public static String getSk() {
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return sk;
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}
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public static String getEndPoint() {
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return endPoint;
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}
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/**
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* 获取OBS操作客户端
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*
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* @return
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*/
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private static void createObsClientInstance() {
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try {
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if (obsClient == null) {
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synchronized (ObsClient.class) {
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if (obsClient == null) {
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obsClient = new ObsClient(ak, sk, endPoint);
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}
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}
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}
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createBucket(bucketName, endPoint);
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} catch (Exception e) {
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LOGGER.error("连接华为云存储服务器异常：" + e.getMessage(), e);
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}
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}
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/**
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* 获取上传文件的基础路径
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*
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* @return url
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*/
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public static String getBasisUrl() {
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//实示例：http协议 + 存储桶名称 + . + endPoint + port + /
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return getHttpProtocol(endPoint) + "://" + bucketName + "." + endPoint.replace(getHttpProtocol(endPoint) + "://", "") + port + SEPARATOR;
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}
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/**
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* 获取上传文件的基础路径
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*
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* @param bucketName
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* @return
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*/
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public static String getBasisUrl(String bucketName) {
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//实示例：http协议 + 存储桶名称 + . + endPoint + port + /
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return getHttpProtocol(endPoint) + "://" + bucketName + "." + endPoint.replace(getHttpProtocol(endPoint) + "://", "") + port + SEPARATOR;
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}
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/**
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* 获取区域
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*
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* @param endPoint
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* @return
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*/
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public static String getRegion(String endPoint) {
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String substring = endPoint.substring(endPoint.indexOf(".") + 1);
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return substring.substring(0, substring.indexOf("."));
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}
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/**
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* 获取http协议
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*
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* @param endPoint
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* @return
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*/
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public static String getHttpProtocol(String endPoint) {
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return endPoint.substring(0, endPoint.indexOf(":"));
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}
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/**
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* 创建存储桶
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*
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* @param bucketName
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* @return
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*/
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public static void createBucket(String bucketName, String endPoint) {
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if (!headBucket(bucketName)) {
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CreateBucketRequest request = new CreateBucketRequest();
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// 设置存储桶名称
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request.setBucketName(bucketName);
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// 设置桶区域位置，从endPoint中截取，如果Location设置的区域与endPoint中的区域不是同一个，则创建会报错
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request.setLocation(getRegion(endPoint));
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// 创建桶成功
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obsClient.createBucket(request);
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}
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}
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/**
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* 删除存储桶
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*
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* @param bucketName
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* @return
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*/
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public static HeaderResponse deleteBucket(String bucketName) {
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return obsClient.deleteBucket(bucketName);
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}
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/**
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* 判断存储桶是否存在
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*
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* @param bucketName
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* @return
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*/
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public static boolean headBucket(String bucketName) {
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return obsClient.headBucket(bucketName);
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}
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/**
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* 上传字符
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*
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* @param bucketName
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* @param objectName
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* @param content
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* @return
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*/
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public static PutObjectResult putObjectByStr(String bucketName, String objectName, String content) {
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if (StringUtils.isBlank(content)) {
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return null;
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}
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//重新构建objectName
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objectName = buildObjectName(objectName);
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return obsClient.putObject(bucketName, objectName, new ByteArrayInputStream(content.getBytes()));
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}
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/**
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* 上传输入流
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*
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* @param bucketName
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* @param objectName
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* @param inputStream
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* @return
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*/
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public static PutObjectResult putObjectByInput(String bucketName, String objectName, InputStream inputStream) {
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//重新构建objectName
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objectName = buildObjectName(objectName);
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return obsClient.putObject(bucketName, objectName, inputStream);
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}
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/**
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* 上传文件输入流
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*
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* @param bucketName
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* @param objectName
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* @param fileInputStream
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* @return
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*/
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public static PutObjectResult putObjectByFileInput(String bucketName, String objectName, FileInputStream fileInputStream) {
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//重新构建objectName
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objectName = buildObjectName(objectName);
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return obsClient.putObject(bucketName, objectName, fileInputStream);
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}
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/**
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* 通过MultipartFile，上传文件
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*
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* @param bucketName
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* @param objectName
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* @param media
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* @return
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*/
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public static PutObjectResult putObjectByMultipartFile(String bucketName, String objectName, MultipartFile media) throws IOException {
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//重新构建objectName
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objectName = buildObjectName(objectName);
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return obsClient.putObject(bucketName, objectName, media.getInputStream());
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}
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/**
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* 上传本地文件
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*
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* @param bucketName
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* @param objectName
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* @param file
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* @return
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*/
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public static PutObjectResult putObjectByFile(String bucketName, String objectName, File file) {
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//重新构建objectName
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objectName = buildObjectName(objectName);
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return obsClient.putObject(bucketName, objectName, file);
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}
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/**
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* 下载文件到本地
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*
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* @param bucketName
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* @param objectName
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* @param filePath
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* @return
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*/
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public static boolean downloadObject(String bucketName, String objectName, String filePath) throws Exception {
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if (StringUtils.isBlank(filePath)) {
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return false;
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}
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//重新构建objectName
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objectName = buildObjectName(objectName);
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filePath = filePath.replace("\\", SEPARATOR);
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InputStream input = null;
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FileOutputStream fileOutputStream = null;
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try {
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// 获取对象
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ObsObject obsObject = obsClient.getObject(bucketName, objectName);
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// 读取对象内容
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input = obsObject.getObjectContent();
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if (input == null) {
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return false;
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}
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//获取文件夹路径
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if (filePath.contains(SEPARATOR)) {
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String dir = filePath.substring(0, filePath.lastIndexOf(SEPARATOR));
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File difFile = new File(dir);
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if (!difFile.exists()) {
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//创建文件夹
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boolean mkdirs = difFile.mkdirs();
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}
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}
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File file = new File(filePath);
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fileOutputStream = new FileOutputStream(file);
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byte[] b = new byte[1024];
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int len;
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while ((len = input.read(b)) != -1) {
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fileOutputStream.write(b, 0, len);
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}
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return true;
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} finally {
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if (fileOutputStream != null) {
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fileOutputStream.close();
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}
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if (input != null) {
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input.close();
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}
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}
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}
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/**
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* 获取文件内容
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*
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* @param bucketName
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* @param objectName
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* @return
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*/
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public static String getObjectContent(String bucketName, String objectName) throws IOException {
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//重新构建objectName
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objectName = buildObjectName(objectName);
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InputStream input = null;
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ByteArrayOutputStream bos = new ByteArrayOutputStream();
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try {
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ObsObject obsObject = obsClient.getObject(bucketName, objectName);
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// 读取对象内容
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input = obsObject.getObjectContent();
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byte[] b = new byte[1024];
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int len;
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while ((len = input.read(b)) != -1) {
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bos.write(b, 0, len);
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}
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return new String(bos.toByteArray());
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} finally {
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bos.close();
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if (input != null) {
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input.close();
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}
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}
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}
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/**
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* 获取文件输入流
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*
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* @param bucketName
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* @param objectName
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* @return
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*/
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public static InputStream getObject(String bucketName, String objectName) {
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//重新构建objectName
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objectName = buildObjectName(objectName);
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return obsClient.getObject(bucketName, objectName).getObjectContent();
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}
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/**
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* 指定数目和前缀列举
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*
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* @param bucketName
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* @param prefix
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* @param maxKeys
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* @return
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*/
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public static List<ObsObject> listObjects(String bucketName, String prefix, Integer maxKeys) {
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prefix = prefix.startsWith("/") ? prefix.substring(1) : prefix;
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ListObjectsRequest request = new ListObjectsRequest(bucketName);
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// 设置列举的对象个数
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request.setMaxKeys(maxKeys);
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// 设置列举的对象需要带有指定前缀
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request.setPrefix(prefix);
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ObjectListing result = obsClient.listObjects(request);
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return result.getObjects();
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}
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/**
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* 列举指定前缀的全部对象
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*
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* @param bucketName
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* @param prefix
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* @return
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*/
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public static List<ObsObject> listAllObjects(String bucketName, String prefix) {
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prefix = prefix.startsWith("/") ? prefix.substring(1) : prefix;
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List<ObsObject> list = new ArrayList<>();
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ListObjectsRequest request = new ListObjectsRequest(bucketName);
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// 设置列举的对象个数
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request.setMaxKeys(1000);
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// 设置列举的对象需要带有指定前缀
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request.setPrefix(prefix);
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ObjectListing result;
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do {
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result = obsClient.listObjects(request);
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request.setMarker(result.getNextMarker());
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list.addAll(result.getObjects());
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} while (result.isTruncated());
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return list;
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}
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/**
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* 删除单个对象
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*
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* @param bucketName
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* @param objectName
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* @return
|
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*/
|
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public static DeleteObjectResult deleteObject(String bucketName, String objectName) {
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//重新构建objectName
|
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objectName = buildObjectName(objectName);
|
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return obsClient.deleteObject(bucketName, objectName);
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}
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/**
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* 复制对象
|
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*
|
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|
|
* @param sourceBucketName
|
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|
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* @param sourceObjectName
|
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|
|
* @param destBucketName
|
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|
|
* @param destObjectName
|
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|
|
* @return
|
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|
|
*/
|
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|
|
public static CopyObjectResult copyObject(String sourceBucketName, String sourceObjectName,
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|
String destBucketName, String destObjectName) {
|
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|
|
return obsClient.copyObject(sourceBucketName, sourceObjectName, destBucketName, destObjectName);
|
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|
|
}
|
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|
/**
|
|
|
|
|
* 判断对象是否存在
|
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|
|
*
|
|
|
|
|
* @param bucketName
|
|
|
|
|
* @param objectName
|
|
|
|
|
* @return
|
|
|
|
|
*/
|
|
|
|
|
public static boolean doesObjectExist(String bucketName, String objectName) {
|
|
|
|
|
//重新构建objectName
|
|
|
|
|
objectName = buildObjectName(objectName);
|
|
|
|
|
|
|
|
|
|
return obsClient.doesObjectExist(bucketName, objectName);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 获取文件外链
|
|
|
|
|
*
|
|
|
|
|
* @param bucketName
|
|
|
|
|
* @param objectName
|
|
|
|
|
* @param expires 单位：秒(s)
|
|
|
|
|
* @return
|
|
|
|
|
*/
|
|
|
|
|
public static String getSignedUrl(String bucketName, String objectName, Long expires) {
|
|
|
|
|
//重新构建objectName
|
|
|
|
|
objectName = buildObjectName(objectName);
|
|
|
|
|
|
|
|
|
|
TemporarySignatureRequest request = new TemporarySignatureRequest(HttpMethodEnum.GET, expires);
|
|
|
|
|
request.setBucketName(bucketName);
|
|
|
|
|
request.setObjectKey(objectName);
|
|
|
|
|
TemporarySignatureResponse response = obsClient.createTemporarySignature(request);
|
|
|
|
|
return response.getSignedUrl();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 获取文件外链-url有效时间默认7天
|
|
|
|
|
*
|
|
|
|
|
* @param bucketName
|
|
|
|
|
* @param objectName
|
|
|
|
|
* @return
|
|
|
|
|
*/
|
|
|
|
|
public static String getSignedUrl(String bucketName, String objectName) {
|
|
|
|
|
return getSignedUrl(bucketName, objectName, expire);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 重新构建objectName
|
|
|
|
|
*
|
|
|
|
|
* @param objectName
|
|
|
|
|
*/
|
|
|
|
|
private static String buildObjectName(String objectName) {
|
|
|
|
|
if (StringUtils.isBlank(objectName)) {
|
|
|
|
|
return objectName;
|
|
|
|
|
}
|
|
|
|
|
//去除开头的/
|
|
|
|
|
objectName = objectName.startsWith("/") ? objectName.substring(1) : objectName;
|
|
|
|
|
//去除?后边的参数
|
|
|
|
|
objectName = objectName.contains("?") ? objectName.substring(0, objectName.indexOf("?")) : objectName;
|
|
|
|
|
|
|
|
|
|
return objectName;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 传入文件访问外链，返回objectName
|
|
|
|
|
*
|
|
|
|
|
* @param url
|
|
|
|
|
* @return
|
|
|
|
|
*/
|
|
|
|
|
public static String getObjectNameByUrl(String url) {
|
|
|
|
|
if (StringUtils.isBlank(url)) {
|
|
|
|
|
return url;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (url.contains(getBasisUrl())) {
|
|
|
|
|
// 去除minio基础路径
|
|
|
|
|
url = url.replace(getBasisUrl(), "");
|
|
|
|
|
// 去除?后边的参数
|
|
|
|
|
url = url.contains("?") ? url.substring(0, url.indexOf("?")) : url;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return url;
|
|
|
|
|
}
|
|
|
|
|
}
|
gsz
1 year ago