docs: 删除无用文件

src/main/java/nju/seec/helper/util/FileUtils.java

@@ -1,96 +0,0 @@
-package nju.seec.helper.util;
-
-import com.aliyun.oss.ClientException;
-import com.aliyun.oss.OSS;
-import com.aliyun.oss.OSSClientBuilder;
-import com.aliyun.oss.OSSException;
-import com.aliyun.oss.model.PutObjectRequest;
-import lombok.extern.slf4j.Slf4j;
-import nju.seec.helper.config.properties.OssProperties;
-import nju.seec.helper.util.enums.ExceptionType;
-import nju.seec.helper.util.exception.HelperException;
-import org.springframework.scheduling.annotation.Async;
-import org.springframework.stereotype.Component;
-
-import java.io.InputStream;
-import java.net.URL;
-import java.util.Date;
-
-/**
- * use oss
- *
- * @author cst
- */
-@Slf4j
-@Component
-public class FileUtils {
-    private final OssProperties ossProperties;
-
-    public FileUtils(OssProperties ossProperties) {
-        this.ossProperties = ossProperties;
-    }
-
-    public void upload(String objectName, InputStream inputStream) {
-        OSS ossClient = getOss();
-        PutObjectRequest putObjectRequest = new PutObjectRequest(ossProperties.getBucketName(), objectName, inputStream);
-        try {
-            ossClient.putObject(putObjectRequest);
-        } catch (OSSException | ClientException e) {
-            log.error(e.getMessage());
-            throw HelperException.of(ExceptionType.ERROR, "文件上传失败");
-        } finally {
-            if (ossClient != null) {
-                ossClient.shutdown();
-            }
-        }
-    }
-
-    public String getUrl(String objectName, long seconds) {
-        OSS ossClient = getOss();
-        Date expiration = new Date(System.currentTimeMillis() + seconds * 1000);
-        try {
-            URL url = ossClient.generatePresignedUrl(ossProperties.getBucketName(), objectName, expiration);
-            return url.toString();
-        } catch (OSSException | ClientException e) {
-            log.error(e.getMessage());
-            throw HelperException.of(ExceptionType.ERROR, "获取文件链接失败");
-        } finally {
-            if (ossClient != null) {
-                ossClient.shutdown();
-            }
-        }
-    }
-
-    public void copy(String sourceObjectName, String destinationObjectName) {
-        OSS ossClient = getOss();
-        try {
-            ossClient.copyObject(ossProperties.getBucketName(), sourceObjectName, ossProperties.getBucketName(), destinationObjectName);
-        } catch (OSSException | ClientException e) {
-            log.error(e.getMessage());
-            throw HelperException.of(ExceptionType.ERROR, "文件复制失败");
-        } finally {
-            if (ossClient != null) {
-                ossClient.shutdown();
-            }
-        }
-    }
-
-    @Async
-    public void delete(String objectName) {
-        OSS ossClient = getOss();
-        try {
-            ossClient.deleteObject(ossProperties.getBucketName(), objectName);
-        } catch (OSSException | ClientException e) {
-            log.error(e.getMessage());
-            throw HelperException.of(ExceptionType.ERROR, "文件删除失败");
-        } finally {
-            if (ossClient != null) {
-                ossClient.shutdown();
-            }
-        }
-    }
-
-    private OSS getOss() {
-        return new OSSClientBuilder().build(ossProperties.getEndpoint(), ossProperties.getAccessKeyId(), ossProperties.getAccessKeySecret());
-    }
-}