[OSS]文件服务插件
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tanfengling@x-ri.com
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package tqq9.lc123.cloud.app.fileserver;
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import com.aliyun.oss.*;
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import com.aliyun.oss.common.auth.CredentialsProviderFactory;
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import com.aliyun.oss.common.auth.EnvironmentVariableCredentialsProvider;
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import com.aliyun.oss.common.comm.SignVersion;
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import com.aliyun.oss.model.PutObjectRequest;
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import com.aliyun.oss.model.PutObjectResult;
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import kd.bos.filestorage.s3.util.URLUtils;
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import kd.bos.filestorage.spi.FileStorageConfig;
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import kd.bos.filestorage.spi.FileStorageService;
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import kd.bos.logging.Log;
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import kd.bos.logging.LogFactory;
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import tqq9.lc123.cloud.app.plugin.utils.ConfigUtils;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.util.List;
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import java.util.Map;
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/**
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* 阿里云OSS文件服务扩展
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*/
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public class OSSFileStorageServiceExt implements FileStorageService {
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private static final Log log = LogFactory.getLog(OSSFileStorageServiceExt.class);
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private OSS ossClient;
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private String endPoint = ConfigUtils.getThirdConfigByNumber("ALI_OSS_EndPoint");
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private String accessKeyId = ConfigUtils.getThirdConfigByNumber("ALI_OSS_AccessKey_ID");
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private String accessKeySecret = ConfigUtils.getThirdConfigByNumber("ALI_OSS_AccessKey_Secret");
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//目录名称
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private String directory = ConfigUtils.getThirdConfigByNumber("ALI_OSS_Directory");
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//存储空间名称
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private String bucketName = ConfigUtils.getThirdConfigByNumber("ALI_OSS_BucketName");
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//地域
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private String region = ConfigUtils.getThirdConfigByNumber("ALI_OSS_Region");
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@Override
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public void setConfig(FileStorageConfig fileStorageConfig) {
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ossClient = new OSSClientBuilder().build(endPoint, accessKeyId, accessKeySecret);
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}
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@Override
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public List<String> getForbiddenExtensions() throws Exception {
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return null;
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}
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@Override
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public String getTicket() throws Exception {
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return null;
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}
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@Override
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public String upload(InputStream inputStream, String filePath, String fileName, boolean isCreateNewFileWhenExists, Map<String, String> headers) throws Exception {
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// Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
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//String endpoint = "https://oss-cn-hangzhou.aliyuncs.com";
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// 从环境变量中获取访问凭证。运行本代码示例之前，请确保已设置环境变量OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
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EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
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// 填写Bucket名称，例如examplebucket。
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// String bucketName = "examplebucket";
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// 填写Object完整路径，完整路径中不能包含Bucket名称，例如exampledir/exampleobject.txt。
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String objectName = directory + "/" + fileName;
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// 填写本地文件的完整路径，例如D:\\localpath\\examplefile.txt。
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// 如果未指定本地路径，则默认从示例程序所属项目对应本地路径中上传文件。
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// String filePath= "D:\\localpath\\examplefile.txt";
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// 填写Bucket所在地域。以华东1（杭州）为例，Region填写为cn-hangzhou。
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// String region = "cn-hangzhou";
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// 创建OSSClient实例。
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// 当OSSClient实例不再使用时，调用shutdown方法以释放资源。
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ClientBuilderConfiguration clientBuilderConfiguration = new ClientBuilderConfiguration();
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clientBuilderConfiguration.setSignatureVersion(SignVersion.V4);
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OSS ossClient = OSSClientBuilder.create()
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.endpoint(endPoint)
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.credentialsProvider(credentialsProvider)
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.clientConfiguration(clientBuilderConfiguration)
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.region(region)
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.build();
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try {
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// 创建PutObjectRequest对象。
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PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, objectName, new File(filePath));
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// 如果需要上传时设置存储类型和访问权限，请参考以下示例代码。
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// ObjectMetadata metadata = new ObjectMetadata();
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// metadata.setHeader(OSSHeaders.OSS_STORAGE_CLASS, StorageClass.Standard.toString());
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// metadata.setObjectAcl(CannedAccessControlList.Private);
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// putObjectRequest.setMetadata(metadata);
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// 上传文件。
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PutObjectResult result = ossClient.putObject(putObjectRequest);
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} catch (OSSException oe) {
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System.out.println("Caught an OSSException, which means your request made it to OSS, "
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+ "but was rejected with an error response for some reason.");
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System.out.println("Error Message:" + oe.getErrorMessage());
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System.out.println("Error Code:" + oe.getErrorCode());
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System.out.println("Request ID:" + oe.getRequestId());
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System.out.println("Host ID:" + oe.getHostId());
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} catch (ClientException ce) {
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System.out.println("Caught an ClientException, which means the client encountered "
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+ "a serious internal problem while trying to communicate with OSS, "
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+ "such as not being able to access the network.");
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System.out.println("Error Message:" + ce.getMessage());
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} finally {
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if (ossClient != null) {
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ossClient.shutdown();
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}
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}
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return null;
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}
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@Override
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public InputStream getInputStream(String fullFilePath, String userAgent) throws Exception {
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URLUtils.ValidUrl validUrl = URLUtils.getValidUrl(fullFilePath);
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return ossClient.getObject(bucketName, validUrl.getFilePath()).getObjectContent();
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}
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@Override
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public void download(String fullFilePath, OutputStream outputStream, String userAgent) throws Exception {
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// Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
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// String endpoint = "https://oss-cn-hangzhou.aliyuncs.com";
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//从环境变量中获取访问凭证。运行本代码示例之前，请确保已设置环境变量OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
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EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
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// 填写Bucket名称，例如examplebucket。
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// String bucketName = "examplebucket";
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// 填写不包含Bucket名称在内的Object完整路径，例如testfolder/exampleobject.txt。
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File file = new File(fullFilePath);
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String fileName = file.getName();
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String objectName = directory + "/" + fileName;
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// 填写Object下载到本地的完整路径。
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// String pathName = "D:\\localpath\\examplefile.txt";
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// 填写Bucket所在地域。以华东1（杭州）为例，Region填写为cn-hangzhou。
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// String region = "cn-hangzhou";
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// 创建OSSClient实例。
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// 当OSSClient实例不再使用时，调用shutdown方法以释放资源。
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ClientBuilderConfiguration clientBuilderConfiguration = new ClientBuilderConfiguration();
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clientBuilderConfiguration.setSignatureVersion(SignVersion.V4);
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OSS ossClient = OSSClientBuilder.create()
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.endpoint(endPoint)
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.credentialsProvider(credentialsProvider)
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.clientConfiguration(clientBuilderConfiguration)
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.region(region)
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.build();
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try {
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// 下载Object到本地文件，并保存到指定的本地路径中。如果指定的本地文件存在会覆盖，不存在则新建。
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// 如果未指定本地路径，则下载后的文件默认保存到示例程序所属项目对应本地路径中。
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// ossClient.getObject(new GetObjectRequest(bucketName, objectName), new File(fullFilePath));
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} catch (OSSException oe) {
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System.out.println("Caught an OSSException, which means your request made it to OSS, "
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+ "but was rejected with an error response for some reason.");
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System.out.println("Error Message:" + oe.getErrorMessage());
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System.out.println("Error Code:" + oe.getErrorCode());
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System.out.println("Request ID:" + oe.getRequestId());
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System.out.println("Host ID:" + oe.getHostId());
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} catch (ClientException ce) {
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System.out.println("Caught an ClientException, which means the client encountered "
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+ "a serious internal problem while trying to communicate with OSS, "
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+ "such as not being able to access the network.");
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System.out.println("Error Message:" + ce.getMessage());
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} finally {
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if (ossClient != null) {
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ossClient.shutdown();
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}
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}
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}
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@Override
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public void delete(String fullFilePath) throws Exception {
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// Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
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// String endpoint = "https://oss-cn-hangzhou.aliyuncs.com";
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// 从环境变量中获取访问凭证。运行本代码示例之前，请确保已设置环境变量OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
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EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
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// 填写Bucket名称，例如examplebucket。
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// String bucketName = "examplebucket";
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// 填写文件完整路径。文件完整路径中不能包含Bucket名称。
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// String objectName = "exampleobject.txt";
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File file = new File(fullFilePath);
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String objectName = file.getName();
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// 填写Bucket所在地域。以华东1（杭州）为例，Region填写为cn-hangzhou。
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// String region = "cn-hangzhou";
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// 创建OSSClient实例。
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// 当OSSClient实例不再使用时，调用shutdown方法以释放资源。
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ClientBuilderConfiguration clientBuilderConfiguration = new ClientBuilderConfiguration();
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clientBuilderConfiguration.setSignatureVersion(SignVersion.V4);
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OSS ossClient = OSSClientBuilder.create()
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.endpoint(endPoint)
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.credentialsProvider(credentialsProvider)
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.clientConfiguration(clientBuilderConfiguration)
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.region(region)
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.build();
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try {
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// 删除文件或目录。如果要删除目录，目录必须为空。
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ossClient.deleteObject(bucketName, objectName);
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} catch (OSSException oe) {
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System.out.println("Caught an OSSException, which means your request made it to OSS, "
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+ "but was rejected with an error response for some reason.");
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System.out.println("Error Message:" + oe.getErrorMessage());
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System.out.println("Error Code:" + oe.getErrorCode());
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System.out.println("Request ID:" + oe.getRequestId());
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System.out.println("Host ID:" + oe.getHostId());
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} catch (ClientException ce) {
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System.out.println("Caught an ClientException, which means the client encountered "
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+ "a serious internal problem while trying to communicate with OSS, "
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+ "such as not being able to access the network.");
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System.out.println("Error Message:" + ce.getMessage());
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} finally {
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if (ossClient != null) {
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ossClient.shutdown();
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}
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}
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}
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@Override
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public boolean exists(String fullFilePath) throws Exception {
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// Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
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// String endpoint = "https://oss-cn-hangzhou.aliyuncs.com";
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// 从环境变量中获取访问凭证。运行本代码示例之前，请确保已设置环境变量OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
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EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
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// 填写Bucket名称，例如examplebucket。
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// String bucketName = "examplebucket";
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// 填写不包含Bucket名称在内的Object完整路径，例如exampleobject.txt。
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// String objectName = "exampleobject.txt";
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File file = new File(fullFilePath);
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String objectName = file.getName();
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// 填写Bucket所在地域。以华东1（杭州）为例，Region填写为cn-hangzhou。
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// String region = "cn-hangzhou";
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// 创建OSSClient实例。
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// 当OSSClient实例不再使用时，调用shutdown方法以释放资源。
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ClientBuilderConfiguration clientBuilderConfiguration = new ClientBuilderConfiguration();
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clientBuilderConfiguration.setSignatureVersion(SignVersion.V4);
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OSS ossClient = OSSClientBuilder.create()
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.endpoint(endPoint)
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.credentialsProvider(credentialsProvider)
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.clientConfiguration(clientBuilderConfiguration)
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.region(region)
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.build();
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try {
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// 判断文件是否存在。如果返回值为true，则文件存在，否则存储空间或者文件不存在。
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// 设置是否进行重定向或者镜像回源。默认值为true，表示忽略302重定向和镜像回源；如果设置isINoss为false，则进行302重定向或者镜像回源。
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//boolean isINoss = true;
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boolean found = ossClient.doesObjectExist(bucketName, objectName);
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//boolean found = ossClient.doesObjectExist(bucketName, objectName, isINoss);
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System.out.println(found);
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} catch (OSSException oe) {
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System.out.println("Caught an OSSException, which means your request made it to OSS, "
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+ "but was rejected with an error response for some reason.");
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System.out.println("Error Message:" + oe.getErrorMessage());
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System.out.println("Error Code:" + oe.getErrorCode());
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System.out.println("Request ID:" + oe.getRequestId());
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System.out.println("Host ID:" + oe.getHostId());
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} catch (ClientException ce) {
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System.out.println("Caught an ClientException, which means the client encountered "
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+ "a serious internal problem while trying to communicate with OSS, "
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+ "such as not being able to access the network.");
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System.out.println("Error Message:" + ce.getMessage());
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} finally {
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if (ossClient != null) {
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ossClient.shutdown();
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}
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}
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return false;
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}
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@Override
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public void close() throws IOException {
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if(ossClient != null){
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ossClient.shutdown();
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}
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}
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}
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