Examples with Copy com.qcloud.cos.transfer.Copy used on opensource projects

Example 11 with Copy

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

the class TransferManagerDemo method copyFileSetMetadata.

public static void copyFileSetMetadata() {
    // 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-guangzhou"));
    // 3 生成cos客户端
    COSClient cosclient = new COSClient(cred, clientConfig);
    ClientConfig srcClientConfig = new ClientConfig(new Region("ap-shanghai"));
    COSClient srcCosclient = new COSClient(cred, srcClientConfig);
    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);
    TransferManagerConfiguration transferManagerConfiguration = new TransferManagerConfiguration();
    transferManagerConfiguration.setMultipartCopyThreshold(5 * 1024 * 1024);
    transferManager.setConfiguration(transferManagerConfiguration);
    // 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 = "mysrcbucket-123456789";
    // 要拷贝的源文件
    String srcKey = "aaa/bbb.txt";
    // 目的bucket, bucket名需包含appid
    String destBucketName = "mydestbucekt-123456789";
    // 要拷贝的目的文件
    String destKey = "bbb/ccc.txt";
    ObjectMetadata objectMetadata = new ObjectMetadata();
    Map<String, String> userMeta = new HashMap<String, String>();
    userMeta.put("usermeta", "hello-mult-copy");
    objectMetadata.setUserMetadata(userMeta);
    CopyObjectRequest copyObjectRequest = new CopyObjectRequest(srcBucketRegion, srcBucketName, srcKey, destBucketName, destKey);
    System.out.println(copyObjectRequest.getDestinationBucketName());
    copyObjectRequest.setNewObjectMetadata(objectMetadata);
    try {
        Copy copy = transferManager.copy(copyObjectRequest, srcCosclient, null);
        // 返回一个异步结果copy, 可同步的调用waitForCopyResult等待copy结束, 成功返回CopyResult, 失败抛出异常.
        // showTransferProgress(copy);
        CopyResult copyResult = copy.waitForCopyResult();
        System.out.println(copyResult.getCrc64Ecma());
    } catch (CosServiceException e) {
        e.printStackTrace();
    } catch (CosClientException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    transferManager.shutdownNow();
    cosclient.shutdown();
}