Examples with ObjectMetadata com.qcloud.cos.model.ObjectMetadata used on opensource projects

Example 26 with ObjectMetadata

use of com.qcloud.cos.model.ObjectMetadata in project cos-java-sdk-v5 by tencentyun.

the class CopyCallable method initiateMultipartUpload.

/**
 * Initiates a multipart upload and returns the upload id
 */
private String initiateMultipartUpload(CopyObjectRequest origReq) {
    InitiateMultipartUploadRequest req = new InitiateMultipartUploadRequest(origReq.getDestinationBucketName(), origReq.getDestinationKey()).withCannedACL(origReq.getCannedAccessControlList()).withAccessControlList(origReq.getAccessControlList()).withStorageClass(origReq.getStorageClass()).withGeneralProgressListener(origReq.getGeneralProgressListener());
    ObjectMetadata newObjectMetadata = origReq.getNewObjectMetadata();
    if (newObjectMetadata == null) {
        newObjectMetadata = new ObjectMetadata();
    }
    if (newObjectMetadata.getContentType() == null) {
        newObjectMetadata.setContentType(metadata.getContentType());
    }
    req.setObjectMetadata(newObjectMetadata);
    TransferManagerUtils.populateEndpointAddr(origReq, req);
    String uploadId = cos.initiateMultipartUpload(req).getUploadId();
    log.debug("Initiated new multipart upload: " + uploadId);
    return uploadId;
}

Example 27 with ObjectMetadata

use of com.qcloud.cos.model.ObjectMetadata in project cos-java-sdk-v5 by tencentyun.

the class SimpleUploadFileDemo method SimpleUploadFileFromStream.

// 从输入流进行读取并上传到COS
public static void SimpleUploadFileFromStream() {
    // 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";
    String key = "aaa/bbb.jpg";
    File localFile = new File("src/test/resources/len10M.txt");
    InputStream input = new ByteArrayInputStream(new byte[10]);
    ObjectMetadata objectMetadata = new ObjectMetadata();
    // 从输入流上传必须制定content length, 否则http客户端可能会缓存所有数据，存在内存OOM的情况
    objectMetadata.setContentLength(10);
    // 默认下载时根据cos路径key的后缀返回响应的contenttype, 上传时设置contenttype会覆盖默认值
    objectMetadata.setContentType("image/jpeg");
    PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, key, input, objectMetadata);
    // 设置存储类型, 默认是标准(Standard), 低频(standard_ia)
    putObjectRequest.setStorageClass(StorageClass.Standard_IA);
    try {
        PutObjectResult putObjectResult = cosclient.putObject(putObjectRequest);
        // putobjectResult会返回文件的etag
        String etag = putObjectResult.getETag();
    } catch (CosServiceException e) {
        e.printStackTrace();
    } catch (CosClientException e) {
        e.printStackTrace();
    }
    // 关闭客户端
    cosclient.shutdown();
}

Example 28 with ObjectMetadata

use of com.qcloud.cos.model.ObjectMetadata in project cos-java-sdk-v5 by tencentyun.

the class SymmetricKeyEncryptionClientDemo method getObjectDemo.

static void getObjectDemo() {
    // 下载文件
    GetObjectRequest getObjectRequest = new GetObjectRequest(bucketName, key);
    File downloadFile = new File("downSym.txt");
    ObjectMetadata objectMetadata = cosClient.getObject(getObjectRequest, downloadFile);
    System.out.println(objectMetadata.getRequestId());
}

Example 29 with ObjectMetadata

use of com.qcloud.cos.model.ObjectMetadata in project cos-java-sdk-v5 by tencentyun.

the class TemporyTokenDemo method UseTemporyTokenUploadAndDownload.

// 使用临时秘钥进行上传和下载
public static void UseTemporyTokenUploadAndDownload() {
    // 使用云api秘钥，可以获取一个临时secret id，secret key和session token,
    BasicSessionCredentials cred = getSessionCredential();
    // 设置区域, 这里设置为北京一区
    ClientConfig clientConfig = new ClientConfig(new Region("ap-beijing-1"));
    // 生成cos客户端对象
    COSClient cosClient = new COSClient(cred, clientConfig);
    // 上传的bucket名字
    String bucketName = "rabbitliutj-1000000";
    // 上传object, 建议20M以下的文件使用该接口
    File localFile = new File("src/test/resources/len5M.txt");
    String key = "upload_single_demo5M.txt";
    // 上传
    PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, key, localFile);
    ObjectMetadata objectMetadata = new ObjectMetadata();
    PutObjectResult putObjectResult = cosClient.putObject(putObjectRequest);
    System.out.println(putObjectResult.getMetadata());
    // 下载
    File downFile = new File("src/test/resources/len5M_down.txt");
    GetObjectRequest getObjectRequest = new GetObjectRequest(bucketName, key);
    ObjectMetadata downObjectMeta = cosClient.getObject(getObjectRequest, downFile);
    // 关闭客户端(关闭后台线程)
    cosClient.shutdown();
}

Example 30 with ObjectMetadata

use of com.qcloud.cos.model.ObjectMetadata in project cos-java-sdk-v5 by tencentyun.

the class TransferManagerDemo method multipartUploadWithMetaData.

public static void multipartUploadWithMetaData() {
    // 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-shanghai"));
    // 3 生成cos客户端
    COSClient cosclient = new COSClient(cred, clientConfig);
    // bucket名需包含appid
    String bucketName = "mybucket-1251668577";
    ExecutorService threadPool = Executors.newFixedThreadPool(2);
    // 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);
    String key = "aaa/bbb.txt";
    File localFile = new File("src/test/resources/len20M.txt");
    ObjectMetadata objectMetadata = new ObjectMetadata();
    Map<String, String> userMeta = new HashMap<String, String>();
    userMeta.put("usermeta", "hello-mult");
    objectMetadata.setUserMetadata(userMeta);
    PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, key, localFile);
    putObjectRequest.withMetadata(objectMetadata);
    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.
        long startTime = System.currentTimeMillis();
        Upload upload = transferManager.upload(putObjectRequest);
        // showTransferProgress(upload);
        UploadResult uploadResult = upload.waitForUploadResult();
        long endTime = System.currentTimeMillis();
        System.out.println("used time: " + (endTime - startTime) / 1000);
        System.out.println(uploadResult.getETag());
        System.out.println(uploadResult.getCrc64Ecma());
    } catch (CosServiceException e) {
        e.printStackTrace();
    } catch (CosClientException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    transferManager.shutdownNow();
    cosclient.shutdown();
}