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

Example 1 with Download

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

the class TransferManagerTest method testTransferManagerUploadDownBigFile.

@Test
public void testTransferManagerUploadDownBigFile() throws IOException, CosServiceException, CosClientException, InterruptedException {
    if (!judgeUserInfoValid()) {
        return;
    }
    TransferManager transferManager = new TransferManager(cosclient);
    File localFile = buildTestFile(1024 * 1024 * 10L);
    File downFile = new File(localFile.getAbsolutePath() + ".down");
    String key = "ut/" + localFile.getName();
    String destKey = key + ".copy";
    try {
        PutObjectRequest putObjectRequest = new PutObjectRequest(bucket, key, localFile);
        ObjectMetadata objectMetadata = new ObjectMetadata();
        objectMetadata.setServerSideEncryption("AES256");
        putObjectRequest.setMetadata(objectMetadata);
        Upload upload = transferManager.upload(putObjectRequest);
        UploadResult uploadResult = upload.waitForUploadResult();
        assertTrue(uploadResult.getETag().contains("-"));
        assertTrue(upload.isResumeableMultipartUploadAfterFailed());
        assertNotNull(upload.getResumeableMultipartUploadId());
        assertNotNull(uploadResult.getRequestId());
        assertNotNull(uploadResult.getDateStr());
        GetObjectRequest getObjectRequest = new GetObjectRequest(bucket, key);
        Download download = transferManager.download(getObjectRequest, downFile);
        download.waitForCompletion();
        // check file
        assertEquals(Md5Utils.md5Hex(localFile), Md5Utils.md5Hex(downFile));
        CopyObjectRequest copyObjectRequest = new CopyObjectRequest(bucket, key, bucket, destKey);
        Copy copy = transferManager.copy(copyObjectRequest, cosclient, null);
        copy.waitForCompletion();
    } finally {
        // delete file on cos
        clearObject(key);
        // delete file on cos
        clearObject(destKey);
        if (localFile.exists()) {
            assertTrue(localFile.delete());
        }
        if (downFile.exists()) {
            assertTrue(downFile.delete());
        }
    }
}

Example 2 with Download

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

the class TransferManagerTest method testTransferManagerUploadDownCopySmallFile.

@Test
public void testTransferManagerUploadDownCopySmallFile() throws IOException, CosServiceException, CosClientException, InterruptedException {
    if (!judgeUserInfoValid()) {
        return;
    }
    TransferManager transferManager = new TransferManager(cosclient);
    File localFile = buildTestFile(1024 * 1024 * 2L);
    File downFile = new File(localFile.getAbsolutePath() + ".down");
    String key = "ut/" + localFile.getName();
    String destKey = key + ".copy";
    try {
        PutObjectRequest putObjectRequest = new PutObjectRequest(bucket, key, localFile);
        Upload upload = transferManager.upload(putObjectRequest);
        UploadResult uploadResult = upload.waitForUploadResult();
        // head object
        headSimpleObject(key, localFile.length(), Md5Utils.md5Hex(localFile));
        assertEquals(Md5Utils.md5Hex(localFile), uploadResult.getETag());
        assertFalse(upload.isResumeableMultipartUploadAfterFailed());
        assertNull(upload.getResumeableMultipartUploadId());
        assertNotNull(uploadResult.getRequestId());
        assertNotNull(uploadResult.getDateStr());
        GetObjectRequest getObjectRequest = new GetObjectRequest(bucket, key);
        Download download = transferManager.download(getObjectRequest, downFile);
        download.waitForCompletion();
        // check file
        assertEquals(Md5Utils.md5Hex(localFile), Md5Utils.md5Hex(downFile));
        CopyObjectRequest copyObjectRequest = new CopyObjectRequest(bucket, key, bucket, destKey);
        Copy copy = transferManager.copy(copyObjectRequest, cosclient, null);
        copy.waitForCompletion();
    } finally {
        // clear object
        clearObject(key);
        // clear dest object
        clearObject(destKey);
        // delete smallfile
        if (localFile.exists()) {
            assertTrue(localFile.delete());
        }
        if (downFile.exists()) {
            assertTrue(downFile.delete());
        }
    }
}

Example 3 with Download

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

the class TransferManagerDemo method resumableDownloadFile.

public static void resumableDownloadFile() {
    // 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);
    ExecutorService threadPool = Executors.newFixedThreadPool(5);
    // 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);
    GetObjectRequest getObj = new GetObjectRequest("mybucket-1000000000", "/path/to/key");
    File dstFile = new File("dstFile");
    Download download = transferManager.download(getObj, dstFile, true);
    showTransferProgress(download);
    try {
        download.waitForCompletion();
    } catch (CosServiceException e) {
        e.printStackTrace();
    } catch (CosClientException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    transferManager.shutdownNow();
    cosclient.shutdown();
}

Example 4 with Download

use of com.qcloud.cos.transfer.Download 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 5 with Download

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

the class AbstractCOSEncryptionClientTest method testTransferManagerUploadDownBigFile.

@Test
public void testTransferManagerUploadDownBigFile() throws IOException, CosServiceException, CosClientException, InterruptedException {
    if (!judgeUserInfoValid()) {
        return;
    }
    TransferManager transferManager = new TransferManager(cosclient);
    File localFile = buildTestFile(1024 * 1024 * 10L);
    File downFile = new File(localFile.getAbsolutePath() + ".down");
    String key = "ut/" + localFile.getName();
    String destKey = key + ".copy";
    try {
        PutObjectRequest putObjectRequest = new PutObjectRequest(bucket, key, localFile);
        ObjectMetadata objectMetadata = new ObjectMetadata();
        putObjectRequest.setMetadata(objectMetadata);
        Upload upload = transferManager.upload(putObjectRequest);
        UploadResult uploadResult = upload.waitForUploadResult();
        assertTrue(uploadResult.getETag().contains("-"));
        assertNotNull(uploadResult.getRequestId());
        assertNotNull(uploadResult.getDateStr());
        GetObjectRequest getObjectRequest = new GetObjectRequest(bucket, key);
        Download download = transferManager.download(getObjectRequest, downFile);
        download.waitForCompletion();
        // check file
        assertEquals(Md5Utils.md5Hex(localFile), Md5Utils.md5Hex(downFile));
        CopyObjectRequest copyObjectRequest = new CopyObjectRequest(bucket, key, bucket, destKey);
        Copy copy = transferManager.copy(copyObjectRequest, cosclient, null);
        copy.waitForCompletion();
    } finally {
        // delete file on cos
        clearObject(key);
        // delete file on cos
        clearObject(destKey);
        if (localFile.exists()) {
            assertTrue(localFile.delete());
        }
        if (downFile.exists()) {
            assertTrue(downFile.delete());
        }
    }
}