Examples with CosServiceException com.qcloud.cos.exception.CosServiceException used on opensource projects

Example 6 with CosServiceException

use of com.qcloud.cos.exception.CosServiceException in project cos-java-sdk-v5 by tencentyun.

the class KmsUploadDemo method CopyObjectWithKmsMeta.

public static void CopyObjectWithKmsMeta() {
    COSCredentials cred = new BasicCOSCredentials("SECRET_ID", "SECRET_KEY");
    // 2 设置bucket的区域, COS地域的简称请参照 https://www.qcloud.com/document/product/436/6224
    ClientConfig clientConfig = new ClientConfig(new Region("ap-guangzhou"));
    // 设置使用https请求
    clientConfig.setHttpProtocol(HttpProtocol.https);
    // 3 生成cos客户端
    COSClient cosclient = new COSClient(cred, clientConfig);
    // bucket名需包含appid
    String kmsKeyId = "your-kms-key-id";
    String encryptionContext = Base64.encodeAsString("{\"Ssekmstest\":\"Ssekmstest\"}".getBytes());
    // 要拷贝的bucket region, 支持跨园区拷贝
    Region srcBucketRegion = new Region("ap-guangzhou");
    // 源bucket, bucket名需包含appid
    String srcBucketName = "mybucket-1251668577";
    // 要拷贝的源文件
    String srcKey = "aaa/bbb.txt";
    // 目的bucket, bucket名需包含appid
    String destBucketName = "mybucket-1251668577";
    // 要拷贝的目的文件
    String destKey = "ccc/ddd.txt";
    CopyObjectRequest copyObjectRequest = new CopyObjectRequest(srcBucketRegion, srcBucketName, srcKey, destBucketName, destKey);
    copyObjectRequest.setSSECOSKeyManagementParams(new SSECOSKeyManagementParams(kmsKeyId, encryptionContext));
    try {
        CopyObjectResult copyObjectResult = cosclient.copyObject(copyObjectRequest);
        String crc64 = copyObjectResult.getCrc64Ecma();
    } catch (CosServiceException e) {
        e.printStackTrace();
    } catch (CosClientException e) {
        e.printStackTrace();
    }
    // 关闭客户端
    cosclient.shutdown();
}

Example 7 with CosServiceException

use of com.qcloud.cos.exception.CosServiceException in project cos-java-sdk-v5 by tencentyun.

the class KmsUploadDemo method SimpleUploadWithKmsMeta.

public static void SimpleUploadWithKmsMeta() {
    COSCredentials cred = new BasicCOSCredentials("SECRET_ID", "SECRET_KEY");
    // 2 设置bucket的区域, COS地域的简称请参照 https://www.qcloud.com/document/product/436/6224
    ClientConfig clientConfig = new ClientConfig(new Region("ap-guangzhou"));
    // 设置使用https请求
    clientConfig.setHttpProtocol(HttpProtocol.https);
    // 3 生成cos客户端
    COSClient cosclient = new COSClient(cred, clientConfig);
    // bucket名需包含appid
    String bucketName = "mybucket-1251668577";
    String key = "aaa/bbb.txt";
    File localFile = new File("/test.log");
    PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, key, localFile);
    String kmsKeyId = "your-kms-key-id";
    String encryptionContext = Base64.encodeAsString("{\"Ssekmstest\":\"Ssekmstest\"}".getBytes());
    SSECOSKeyManagementParams ssecosKeyManagementParams = new SSECOSKeyManagementParams(kmsKeyId, encryptionContext);
    putObjectRequest.setSSECOSKeyManagementParams(ssecosKeyManagementParams);
    // 服务端加密场景下，返回的etag不再代表文件的md5，所以需要去掉客户端的md5校验
    // 如有需要，可获取crc64，自行校验
    System.setProperty(SkipMd5CheckStrategy.DISABLE_PUT_OBJECT_MD5_VALIDATION_PROPERTY, "true");
    try {
        PutObjectResult putObjectResult = cosclient.putObject(putObjectRequest);
        // putobjectResult会返回文件的etag
        String etag = putObjectResult.getETag();
        String crc64 = putObjectResult.getCrc64Ecma();
    } catch (CosServiceException e) {
        e.printStackTrace();
    } catch (CosClientException e) {
        e.printStackTrace();
    }
    // 关闭客户端
    cosclient.shutdown();
}

Example 8 with CosServiceException

use of com.qcloud.cos.exception.CosServiceException in project cos-java-sdk-v5 by tencentyun.

the class KmsUploadDemo method MultipartUploadWithKmsMeta.

public static void MultipartUploadWithKmsMeta() {
    COSCredentials cred = new BasicCOSCredentials("SECRET_ID", "SECRET_KEY");
    // 2 设置bucket的区域, COS地域的简称请参照 https://www.qcloud.com/document/product/436/6224
    ClientConfig clientConfig = new ClientConfig(new Region("ap-guangzhou"));
    // 设置使用https请求
    clientConfig.setHttpProtocol(HttpProtocol.https);
    // 3 生成cos客户端
    COSClient cosclient = new COSClient(cred, clientConfig);
    // bucket名需包含appid
    String bucketName = "mybucket-1251668577";
    String key = "aaa/bbb.txt";
    String kmsKeyId = "your-kms-key-id";
    String encryptionContext = Base64.encodeAsString("{\"Ssekmstest\":\"Ssekmstest\"}".getBytes());
    InitiateMultipartUploadRequest initiateMultipartUploadRequest = new InitiateMultipartUploadRequest(bucketName, key);
    SSECOSKeyManagementParams ssecosKeyManagementParams = new SSECOSKeyManagementParams(kmsKeyId, encryptionContext);
    // 服务端加密场景下，返回的etag不再代表文件的md5，所以需要去掉客户端的md5校验
    // 如有需要，可获取crc64，自行校验
    System.setProperty(SkipMd5CheckStrategy.DISABLE_PUT_OBJECT_MD5_VALIDATION_PROPERTY, "true");
    initiateMultipartUploadRequest.setSSECOSKeyManagementParams(ssecosKeyManagementParams);
    try {
        InitiateMultipartUploadResult initiateMultipartUploadResult = cosclient.initiateMultipartUpload(initiateMultipartUploadRequest);
        List<PartETag> partETags = new LinkedList<>();
        for (int i = 0; i < 2; i++) {
            byte[] data = new byte[1024 * 1024];
            UploadPartRequest uploadPartRequest = new UploadPartRequest();
            uploadPartRequest.setBucketName(bucketName);
            uploadPartRequest.setKey(key);
            uploadPartRequest.setUploadId(initiateMultipartUploadResult.getUploadId());
            // 设置分块的数据来源输入流
            uploadPartRequest.setInputStream(new ByteArrayInputStream(data));
            // 设置分块的长度
            // 设置数据长度
            uploadPartRequest.setPartSize(data.length);
            // 假设要上传的part编号是10
            uploadPartRequest.setPartNumber(i + 1);
            UploadPartResult uploadPartResult = cosclient.uploadPart(uploadPartRequest);
            PartETag partETag = uploadPartResult.getPartETag();
            partETags.add(partETag);
        }
        CompleteMultipartUploadRequest completeMultipartUploadRequest = new CompleteMultipartUploadRequest(bucketName, key, initiateMultipartUploadResult.getUploadId(), partETags);
        CompleteMultipartUploadResult completeResult = cosclient.completeMultipartUpload(completeMultipartUploadRequest);
    } catch (CosServiceException e) {
        e.printStackTrace();
    } catch (CosClientException e) {
        e.printStackTrace();
    }
    // 关闭客户端
    cosclient.shutdown();
}

Example 9 with CosServiceException

use of com.qcloud.cos.exception.CosServiceException in project cos-java-sdk-v5 by tencentyun.

the class ListObjectsDemo method listObjectsVersions.

public static void listObjectsVersions() {
    // 1 初始化用户身份信息(secretId, secretKey)
    COSCredentials cred = new BasicCOSCredentials("AKIDXXXXXXXX", "1A2Z3YYYYYYYYYY");
    // 2 设置bucket的区域, COS地域的简称请参照 https://www.qcloud.com/document/product/436/6224
    ClientConfig clientConfig = new ClientConfig(new Region("ap-beijing-1"));
    // 3 生成cos客户端
    COSClient cosclient = new COSClient(cred, clientConfig);
    // bucket名需包含appid
    String bucketName = "mybucket-1251668577";
    ListVersionsRequest listVersionsRequest = new ListVersionsRequest();
    listVersionsRequest.setBucketName(bucketName);
    listVersionsRequest.setPrefix("");
    VersionListing versionListing = null;
    do {
        try {
            versionListing = cosclient.listVersions(listVersionsRequest);
        } catch (CosServiceException e) {
            e.printStackTrace();
            return;
        } catch (CosClientException e) {
            e.printStackTrace();
            return;
        }
        List<COSVersionSummary> cosVersionSummaries = versionListing.getVersionSummaries();
        for (COSVersionSummary cosVersionSummary : cosVersionSummaries) {
            System.out.println(cosVersionSummary.getKey() + ":" + cosVersionSummary.getVersionId());
        }
        String keyMarker = versionListing.getNextKeyMarker();
        String versionIdMarker = versionListing.getNextVersionIdMarker();
        listVersionsRequest.setKeyMarker(keyMarker);
        listVersionsRequest.setVersionIdMarker(versionIdMarker);
    } while (versionListing.isTruncated());
    cosclient.shutdown();
}

Example 10 with CosServiceException

use of com.qcloud.cos.exception.CosServiceException in project cos-java-sdk-v5 by tencentyun.

the class ListObjectsDemo method listAllObjects.

// 如果要获取超过maxkey数量的object或者获取所有的object, 则需要循环调用listobject, 用上一次返回的next marker作为下一次调用的marker,
// 直到返回的truncated为false
public static void listAllObjects() {
    // 1 初始化用户身份信息(secretId, secretKey)
    COSCredentials cred = new BasicCOSCredentials("AKIDXXXXXXXX", "1A2Z3YYYYYYYYYY");
    // 2 设置bucket的区域, COS地域的简称请参照 https://www.qcloud.com/document/product/436/6224
    ClientConfig clientConfig = new ClientConfig(new Region("ap-beijing-1"));
    // 3 生成cos客户端
    COSClient cosclient = new COSClient(cred, clientConfig);
    // bucket名需包含appid
    String bucketName = "mybucket-1251668577";
    ListObjectsRequest listObjectsRequest = new ListObjectsRequest();
    // 设置bucket名称
    listObjectsRequest.setBucketName(bucketName);
    // prefix表示列出的object的key以prefix开始
    listObjectsRequest.setPrefix("");
    // deliter表示分隔符, 设置为/表示列出当前目录下的object, 设置为空表示列出所有的object
    listObjectsRequest.setDelimiter("");
    // 设置最大遍历出多少个对象, 一次listobject最大支持1000
    listObjectsRequest.setMaxKeys(1000);
    ObjectListing objectListing = null;
    do {
        try {
            objectListing = cosclient.listObjects(listObjectsRequest);
        } catch (CosServiceException e) {
            e.printStackTrace();
            return;
        } catch (CosClientException e) {
            e.printStackTrace();
            return;
        }
        // common prefix表示表示被delimiter截断的路径, 如delimter设置为/, common prefix则表示所有子目录的路径
        List<String> commonPrefixs = objectListing.getCommonPrefixes();
        // object summary表示所有列出的object列表
        List<COSObjectSummary> cosObjectSummaries = objectListing.getObjectSummaries();
        for (COSObjectSummary cosObjectSummary : cosObjectSummaries) {
            // 文件的路径key
            String key = cosObjectSummary.getKey();
            // 文件的etag
            String etag = cosObjectSummary.getETag();
            // 文件的长度
            long fileSize = cosObjectSummary.getSize();
            // 文件的存储类型
            String storageClasses = cosObjectSummary.getStorageClass();
        }
        String nextMarker = objectListing.getNextMarker();
        listObjectsRequest.setMarker(nextMarker);
    } while (objectListing.isTruncated());
    cosclient.shutdown();
}