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

Example 66 with CosClientException

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

the class ContentCryptoScheme method createCipherLite.

/**
 * Creates and initializes a {@link CipherLite} for content
 * encrypt/decryption.
 *
 * @param cek
 *            content encrypting key
 * @param iv
 *            initialization vector
 * @param cipherMode
 *            such as {@link Cipher#ENCRYPT_MODE}
 * @param securityProvider
 *            optional security provider to be used but only if there is no
 *            specific provider defined for the specified scheme.
 * @return the cipher lite created and initialized.
 */
CipherLite createCipherLite(SecretKey cek, byte[] iv, int cipherMode, Provider securityProvider) {
    String specificProvider = getSpecificCipherProvider();
    Cipher cipher;
    try {
        if (specificProvider != null) {
            // use the specific provider if defined
            cipher = Cipher.getInstance(getCipherAlgorithm(), specificProvider);
        } else if (securityProvider != null) {
            // use the one optionally specified in the input
            cipher = Cipher.getInstance(getCipherAlgorithm(), securityProvider);
        } else {
            // use the default provider
            cipher = Cipher.getInstance(getCipherAlgorithm());
        }
        cipher.init(cipherMode, cek, new IvParameterSpec(iv));
        return newCipherLite(cipher, cek, cipherMode);
    } catch (Exception e) {
        throw e instanceof RuntimeException ? (RuntimeException) e : new CosClientException("Unable to build cipher: " + e.getMessage() + "\nMake sure you have the JCE unlimited strength policy files installed and " + "configured for your JVM", e);
    }
}

Example 67 with CosClientException

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

the class CompleteMultipartUpload method collectPartETags.

/**
 * Collects the Part ETags for initiating the complete multi-part upload
 * request. This is blocking as it waits until all the upload part threads
 * complete.
 */
private List<PartETag> collectPartETags() {
    final List<PartETag> partETags = new ArrayList<PartETag>();
    partETags.addAll(eTagsBeforeResume);
    for (Future<PartETag> future : futures) {
        try {
            partETags.add(future.get());
        } catch (Exception e) {
            throw new CosClientException("Unable to complete multi-part upload. Individual part upload failed : " + e.getCause().getMessage(), e.getCause());
        }
    }
    return partETags;
}

Example 68 with CosClientException

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

the class DownloadCallable method retryableDownloadCOSObjectToFile.

private COSObject retryableDownloadCOSObjectToFile(File file, RetryableCOSDownloadTask retryableCOSDownloadTask, boolean appendData) {
    boolean hasRetried = false;
    COSObject cosObject;
    for (; ; ) {
        if (resumeExistingDownload && hasRetried) {
            // Need to adjust the get range or else we risk corrupting the downloaded file
            adjustRequest(req);
        }
        cosObject = retryableCOSDownloadTask.getCOSObjectStream();
        if (cosObject == null)
            return null;
        try {
            if (testing && resumeExistingDownload && !hasRetried) {
                throw new CosClientException("testing");
            }
            ServiceUtils.downloadToFile(cosObject, file, retryableCOSDownloadTask.needIntegrityCheck(), appendData, expectedFileLength);
            return cosObject;
        } catch (CosClientException ace) {
            if (!ace.isRetryable())
                throw ace;
            // The current code will retry the download only when case 2) or 3) happens.
            if (ace.getCause() instanceof SocketException || ace.getCause() instanceof SSLProtocolException) {
                throw ace;
            } else {
                if (hasRetried)
                    throw ace;
                else {
                    log.info("Retry the download of object " + cosObject.getKey() + " (bucket " + cosObject.getBucketName() + ")", ace);
                    hasRetried = true;
                }
            }
        } finally {
            cosObject.getObjectContent().abort();
        }
    }
}

Example 69 with CosClientException

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

the class KMSEncryptionClientDemo method transferManagerDemo.

static void transferManagerDemo() {
    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);
    TransferManagerConfiguration transferManagerConfiguration = new TransferManagerConfiguration();
    transferManagerConfiguration.setMultipartUploadThreshold(1024 * 1024);
    PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, key, bigLocalFile);
    try {
        // 返回一个异步结果Upload, 可同步的调用waitForUploadResult等待upload结束, 成功返回UploadResult, 失败抛出异常.
        Upload upload = transferManager.upload(putObjectRequest);
        UploadResult uploadResult = upload.waitForUploadResult();
        System.out.println(uploadResult.getRequestId());
    } catch (CosServiceException e) {
        e.printStackTrace();
    } catch (CosClientException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    GetObjectRequest getObjectRequest = new GetObjectRequest(bucketName, key);
    try {
        // 返回一个异步结果Upload, 可同步的调用waitForUploadResult等待download结束, 成功返回DownloadResult, 失败抛出异常.
        Download download = transferManager.download(getObjectRequest, new File("downLen10m.txt"));
        download.waitForCompletion();
        System.out.println(download.getObjectMetadata().getRequestId());
    } catch (CosServiceException e) {
        e.printStackTrace();
    } catch (CosClientException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    transferManager.shutdownNow();
}

Example 70 with CosClientException

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

the class ListObjectsDemo method listObjectsDemo.

public static void listObjectsDemo() {
    // 1 初始化用户身份信息(appid, 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名称, 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("");
    // 设置最大遍历出多少个对象, 一次listobject最大支持1000
    listObjectsRequest.setMaxKeys(1000);
    // listObjectsRequest.setDelimiter("/");
    ObjectListing objectListing = null;
    try {
        objectListing = cosclient.listObjects(listObjectsRequest);
    } catch (CosServiceException e) {
        e.printStackTrace();
    } catch (CosClientException e) {
        e.printStackTrace();
    }
    // 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();
        System.out.println("key: " + key);
    }
    cosclient.shutdown();
}