Examples with COSClient com.qcloud.cos.COSClient used on opensource projects

Example 11 with COSClient

use of com.qcloud.cos.COSClient 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 12 with COSClient

use of com.qcloud.cos.COSClient 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 13 with COSClient

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

the class GeneratePresignedUrlDemo method GeneratePresignedDownloadUrlAnonymous.

// 获取预签名的下载链接， 用于匿名bucket, 匿名bucket生成的预下载链接不包含签名
public static void GeneratePresignedDownloadUrlAnonymous() {
    // 1 初始化用户身份信息, 匿名身份不用传入ak sk
    COSCredentials cred = new AnonymousCOSCredentials();
    // 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.txt";
    GeneratePresignedUrlRequest req = new GeneratePresignedUrlRequest(bucketName, key, HttpMethodName.GET);
    URL url = cosclient.generatePresignedUrl(req);
    System.out.println(url.toString());
    cosclient.shutdown();
}

Example 14 with COSClient

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

the class GeneratePresignedUrlDemo method GeneratePresignedDownloadUrlWithOverrideResponseHeader.

// 获取预签名的下载链接, 并设置返回的content-type, cache-control等http头
public static void GeneratePresignedDownloadUrlWithOverrideResponseHeader() {
    // 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.txt";
    GeneratePresignedUrlRequest req = new GeneratePresignedUrlRequest(bucketName, key, HttpMethodName.GET);
    // 设置下载时返回的http头
    ResponseHeaderOverrides responseHeaders = new ResponseHeaderOverrides();
    String responseContentType = "image/x-icon";
    String responseContentLanguage = "zh-CN";
    String responseContentDispositon = "filename=\"abc.txt\"";
    String responseCacheControl = "no-cache";
    String cacheExpireStr = DateUtils.formatRFC822Date(new Date(System.currentTimeMillis() + 24 * 3600 * 1000));
    responseHeaders.setContentType(responseContentType);
    responseHeaders.setContentLanguage(responseContentLanguage);
    responseHeaders.setContentDisposition(responseContentDispositon);
    responseHeaders.setCacheControl(responseCacheControl);
    responseHeaders.setExpires(cacheExpireStr);
    req.setResponseHeaders(responseHeaders);
    // 设置签名过期时间(可选), 若未进行设置则默认使用ClientConfig中的签名过期时间(1小时)
    // 这里设置签名在半个小时后过期
    Date expirationDate = new Date(System.currentTimeMillis() + 30 * 60 * 1000);
    req.setExpiration(expirationDate);
    // 填写本次请求的参数
    req.addRequestParameter("param1", "value1");
    // 填写本次请求的头部。Host 头部会自动补全，不需要填写
    req.putCustomRequestHeader("header1", "value1");
    URL url = cosclient.generatePresignedUrl(req);
    System.out.println(url.toString());
    cosclient.shutdown();
}

Example 15 with COSClient

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

the class GeneratePresignedUrlDemo method GenerateSimplePresignedDownloadUrl.

// 获取下载的预签名连接
public static void GenerateSimplePresignedDownloadUrl() {
    // 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"));
    // 如果要获取 https 的 url 则在此设置，否则默认获取的是 http url
    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.txt";
    GeneratePresignedUrlRequest req = new GeneratePresignedUrlRequest(bucketName, key, HttpMethodName.GET);
    // 设置签名过期时间(可选), 若未进行设置则默认使用ClientConfig中的签名过期时间(1小时)
    // 这里设置签名在半个小时后过期
    Date expirationDate = new Date(System.currentTimeMillis() + 30 * 60 * 1000);
    req.setExpiration(expirationDate);
    // 填写本次请求的参数
    req.addRequestParameter("param1", "value1");
    // 填写本次请求的头部。Host 头部会自动补全，不需要填写
    req.putCustomRequestHeader("header1", "value1");
    URL url = cosclient.generatePresignedUrl(req);
    System.out.println(url.toString());
    cosclient.shutdown();
}