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

Example 1 with CosServiceException

use of com.qcloud.cos.exception.CosServiceException in project hadoop-cos by tencentyun.

the class CosNativeFileSystemStore method storeEmptyFile.

// for cos, storeEmptyFile means create a directory
@Override
public void storeEmptyFile(String key) throws IOException {
    LOG.debug("Store an empty file to the key: {}.", key);
    ObjectMetadata objectMetadata = new ObjectMetadata();
    objectMetadata.setContentLength(0);
    if (crc32cEnabled) {
        objectMetadata.setHeader(Constants.CRC32C_REQ_HEADER, Constants.CRC32C_REQ_HEADER_VAL);
    }
    InputStream input = new ByteArrayInputStream(new byte[0]);
    PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, key, input, objectMetadata);
    if (null != this.storageClass) {
        putObjectRequest.setStorageClass(this.storageClass);
    }
    try {
        PutObjectResult putObjectResult = (PutObjectResult) callCOSClientWithRetry(putObjectRequest);
        LOG.debug("Store the empty file successfully, cos key: {}, ETag: {}.", key, putObjectResult.getETag());
    } catch (CosServiceException cse) {
        int statusCode = cse.getStatusCode();
        if (statusCode == 409) {
            // 并发上传文件导致，再check一遍文件是否存在
            FileMetadata fileMetadata = this.queryObjectMetadata(key);
            if (null == fileMetadata) {
                // 文件还是不存在，必须要抛出异常
                handleException(cse, key);
            }
            LOG.warn("Upload the file [{}] concurrently.", key);
        } else {
            // 其他错误必须抛出
            handleException(cse, key);
        }
    } catch (Exception e) {
        String errMsg = String.format("Store the empty file failed, cos key: %s, " + "exception: %s", key, e.toString());
        handleException(new Exception(errMsg), key);
    }
}

Example 2 with CosServiceException

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

the class CopyFileDemo method copySmallFileDemo.

// copyObject最大支持5G文件的copy, 5G以上的文件copy请参照TransferManagerDemo中的copy示例
public static void copySmallFileDemo() {
    // 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);
    // 要拷贝的bucket region, 支持跨园区拷贝
    Region srcBucketRegion = new Region("ap-shanghai");
    // 源bucket, bucket名需包含appid
    String srcBucketName = "srcBucket-1251668577";
    // 要拷贝的源文件
    String srcKey = "aaa/bbb.txt";
    // 目的bucket, bucket名需包含appid
    String destBucketName = "destBucket-1251668577";
    // 要拷贝的目的文件
    String destKey = "ccc/ddd.txt";
    CopyObjectRequest copyObjectRequest = new CopyObjectRequest(srcBucketRegion, srcBucketName, srcKey, destBucketName, destKey);
    try {
        CopyObjectResult copyObjectResult = cosclient.copyObject(copyObjectRequest);
        String crc64 = copyObjectResult.getCrc64Ecma();
    } catch (CosServiceException e) {
        e.printStackTrace();
    } catch (CosClientException e) {
        e.printStackTrace();
    }
    cosclient.shutdown();
}

Example 3 with CosServiceException

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

the class CopyFileDemo method copyWithNewMetaDataDemo.

public static void copyWithNewMetaDataDemo() {
    // 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);
    ExecutorService threadPool = Executors.newFixedThreadPool(32);
    // 传入一个threadpool, 若不传入线程池, 默认TransferManager中会生成一个单线程的线程池。
    TransferManager transferManager = new TransferManager(cosclient, threadPool);
    // 要拷贝的bucket region, 支持跨园区拷贝
    Region srcBucketRegion = new Region("ap-shanghai");
    // 源bucket, bucket名需包含appid
    String srcBucketName = "srcBucket-1251668577";
    // 要拷贝的源文件
    String srcKey = "aaa/bbb.txt";
    // 目的bucket, bucket名需包含appid
    String destBucketName = "destBucket-1251668577";
    // 要拷贝的目的文件
    String destKey = "ccc/ddd.txt";
    ClientConfig srcClientConfig = new ClientConfig(srcBucketRegion);
    COSClient srcCosclient = new COSClient(cred, srcClientConfig);
    GetObjectRequest getReq = new GetObjectRequest(srcBucketName, srcKey);
    File srcFile = new File("srcFile");
    srcCosclient.getObject(getReq, srcFile);
    String srcMD5 = "";
    try {
        srcMD5 = Md5Utils.md5Hex(srcFile);
    } catch (Exception e) {
        e.printStackTrace();
    }
    ObjectMetadata destMeta = new ObjectMetadata();
    destMeta.addUserMetadata("md5", srcMD5);
    CopyObjectRequest copyObjectRequest = new CopyObjectRequest(srcBucketRegion, srcBucketName, srcKey, destBucketName, destKey);
    copyObjectRequest.setNewObjectMetadata(destMeta);
    try {
        CopyObjectResult copyObjectResult = cosclient.copyObject(copyObjectRequest);
        System.out.print(copyObjectResult.getRequestId());
    } catch (CosServiceException e) {
        e.printStackTrace();
    } catch (CosClientException e) {
        e.printStackTrace();
    }
    cosclient.shutdown();
}

Example 4 with CosServiceException

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

the class DelFileDemo method BatchDelFileWithVersion.

// 批量删除带有版本号的文件(即bucket开启了多版本)
public static void BatchDelFileWithVersion() {
    // 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";
    DeleteObjectsRequest deleteObjectsRequest = new DeleteObjectsRequest(bucketName);
    // 设置要删除的key列表, 最多一次删除1000个
    ArrayList<KeyVersion> keyList = new ArrayList<>();
    // 传入要删除的文件名
    keyList.add(new KeyVersion("aaa.txt", "axbefagagaxxfafa"));
    keyList.add(new KeyVersion("bbb.mp4", "awcafa1faxg0lx"));
    keyList.add(new KeyVersion("ccc/ddd.jpg", "kafa1kxxaa2ymh"));
    deleteObjectsRequest.setKeys(keyList);
    // 批量删除文件
    try {
        DeleteObjectsResult deleteObjectsResult = cosclient.deleteObjects(deleteObjectsRequest);
        List<DeletedObject> deleteObjectResultArray = deleteObjectsResult.getDeletedObjects();
    } catch (MultiObjectDeleteException mde) {
        // 如果部分产出成功部分失败, 返回MultiObjectDeleteException
        List<DeletedObject> deleteObjects = mde.getDeletedObjects();
        List<DeleteError> deleteErrors = mde.getErrors();
    } catch (CosServiceException e) {
        // 如果是其他错误, 比如参数错误， 身份验证不过等会抛出CosServiceException
        e.printStackTrace();
    } catch (CosClientException e) {
        // 如果是客户端错误，比如连接不上COS
        e.printStackTrace();
    }
    // 关闭客户端
    cosclient.shutdown();
}

Example 5 with CosServiceException

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

the class SSECustomerDemo method SSECustomerDownload.

public static void SSECustomerDownload() {
    // 1 初始化用户身份信息(secretId, secretKey)
    COSCredentials cred = new BasicCOSCredentials("COS_SECRETID", "COS_SECRETKEY");
    // 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"));
    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 = "examplebucket-1250000000";
    String key = "aaa/bbb.txt";
    GetObjectRequest getObjectRequest = new GetObjectRequest(bucketName, key);
    SSECustomerKey sseCustomerKey = new SSECustomerKey("MDEyMzQ1Njc4OUFCQ0RFRjAxMjM0NTY3ODlBQkNERUY=");
    getObjectRequest.setSSECustomerKey(sseCustomerKey);
    try {
        COSObject cosObject = cosclient.getObject(getObjectRequest);
        COSObjectInputStream cosObjectInputStream = cosObject.getObjectContent();
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(cosObjectInputStream));
        System.out.println(bufferedReader.readLine());
    } catch (CosServiceException e) {
        e.printStackTrace();
    } catch (CosClientException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    // 关闭客户端
    cosclient.shutdown();
}