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

Example 16 with GetObjectRequest

use of com.qcloud.cos.model.GetObjectRequest 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 17 with GetObjectRequest

use of com.qcloud.cos.model.GetObjectRequest 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 18 with GetObjectRequest

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

the class BasicImageProcessing method imageZoomDemo.

public static void imageZoomDemo(COSClient cosClient) {
    String bucketName = "examplebucket-1250000000";
    String key = "qrcode.png";
    GetObjectRequest getObj = new GetObjectRequest(bucketName, key);
    // 宽高缩放50%
    String rule = "imageMogr2/thumbnail/!50p";
    getObj.putCustomQueryParameter(rule, null);
    cosClient.getObject(getObj, new File("qrcode-50p.png"));
}

Example 19 with GetObjectRequest

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

the class BasicImageProcessing method imageRotateDemo.

public static void imageRotateDemo(COSClient cosClient) {
    String bucketName = "examplebucket-1250000000";
    String key = "qrcode.png";
    GetObjectRequest getObj = new GetObjectRequest(bucketName, key);
    // 宽高缩放50%
    String rule = "imageMogr2/rotate/90";
    getObj.putCustomQueryParameter(rule, null);
    cosClient.getObject(getObj, new File("qrcode-rotate.png"));
}

Example 20 with GetObjectRequest

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

the class COSCryptoModuleBase method putInstructionFileSecurely.

@Override
public final PutObjectResult putInstructionFileSecurely(PutInstructionFileRequest req) {
    final COSObjectId id = req.getCOSObjectId();
    final GetObjectRequest getreq = new GetObjectRequest(id);
    // Get the object from cos
    final COSObject retrieved = cos.getObject(getreq);
    // We only need the meta-data already retrieved, not the data stream.
    // So close it immediately to prevent resource leakage.
    IOUtils.closeQuietly(retrieved, log);
    if (retrieved == null) {
        throw new IllegalArgumentException("The specified COS object (" + id + ") doesn't exist.");
    }
    COSObjectWrapper wrapped = new COSObjectWrapper(retrieved, id);
    try {
        final ContentCryptoMaterial origCCM = contentCryptoMaterialOf(wrapped);
        securityCheck(origCCM, wrapped);
        // Re-ecnrypt the CEK in a new content crypto material
        final EncryptionMaterials newKEK = req.getEncryptionMaterials();
        final ContentCryptoMaterial newCCM;
        if (newKEK == null) {
            newCCM = origCCM.recreate(req.getMaterialsDescription(), this.kekMaterialsProvider, cryptoScheme, cryptoConfig.getCryptoProvider(), kms, req);
        } else {
            newCCM = origCCM.recreate(newKEK, this.kekMaterialsProvider, cryptoScheme, cryptoConfig.getCryptoProvider(), kms, req);
        }
        PutObjectRequest putInstFileRequest = req.createPutObjectRequest(retrieved);
        // Put the new instruction file into COS
        return cos.putObject(updateInstructionPutRequest(putInstFileRequest, newCCM));
    } catch (RuntimeException ex) {
        // If we're unable to set up the decryption, make sure we close the
        // HTTP connection
        IOUtils.closeQuietly(retrieved, log);
        throw ex;
    } catch (Error error) {
        IOUtils.closeQuietly(retrieved, log);
        throw error;
    }
}