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

Example 16 with COSClient

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

the class GeneratePresignedUrlDemo method GeneratePresignedUploadUrl.

// 生成预签名的上传连接
public static void GeneratePresignedUploadUrl() {
    // 1 初始化用户身份信息(secretId, secretKey)
    COSCredentials cred = new BasicCOSCredentials("AKIDxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", "********************************");
    // 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";
    String key = "aaa.txt";
    Date expirationTime = new Date(System.currentTimeMillis() + 30 * 60 * 1000);
    // 填写本次请求的 header。Host 头部会自动补全，只需填入其他头部
    Map<String, String> headers = new HashMap<String, String>();
    // 填写本次请求的 params。
    Map<String, String> params = new HashMap<String, String>();
    URL url = cosclient.generatePresignedUrl(bucketName, key, expirationTime, HttpMethodName.PUT, headers, params);
    try {
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setDoOutput(true);
        connection.setRequestMethod("PUT");
        OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream());
        // 写入要上传的数据
        out.write("This text uploaded as object.");
        out.close();
        int responseCode = connection.getResponseCode();
        System.out.println("Service returned response code " + responseCode);
    } catch (ProtocolException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    cosclient.shutdown();
}

Example 17 with COSClient

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

the class GetObjectDemo method GetObjectToFileDemo.

public static void GetObjectToFileDemo() {
    // 初始化用户身份信息(secretId, secretKey)
    COSCredentials cred = new BasicCOSCredentials("AKIDXXXXXXXX", "1A2Z3YYYYYYYYYY");
    // 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"));
    // 生成cos客户端
    COSClient cosclient = new COSClient(cred, clientConfig);
    String key = "test/my_test.json";
    String bucketName = "mybucket-1251668577";
    boolean useTrafficLimit = false;
    GetObjectRequest getObjectRequest = new GetObjectRequest(bucketName, key);
    if (useTrafficLimit) {
        getObjectRequest.setTrafficLimit(8 * 1024 * 1024);
    }
    File localFile = new File("my_test.json");
    ObjectMetadata objectMetadata = cosclient.getObject(getObjectRequest, localFile);
    System.out.println(objectMetadata.getContentLength());
}

Example 18 with COSClient

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

the class GetObjectURLDemo method getObjectUrlWithEndpoint.

public static void getObjectUrlWithEndpoint() {
    // getObjectUrl 不需要验证身份信息
    COSCredentials cred = new AnonymousCOSCredentials();
    // 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"));
    // 设置生成的 url 的协议名
    clientConfig.setHttpProtocol(HttpProtocol.https);
    // 设置自定义的域名
    UserSpecifiedEndpointBuilder endpointBuilder = new UserSpecifiedEndpointBuilder("test.endpoint.com", "service.cos.myqcloud.com");
    clientConfig.setEndpointBuilder(endpointBuilder);
    // 生成cos客户端
    COSClient cosclient = new COSClient(cred, clientConfig);
    String key = "test/my_test中文.json";
    String bucketName = "mybucket-1251668577";
    String versionId = "xxxyyyzzz111222333";
    System.out.println(cosclient.getObjectUrl(bucketName, key, versionId));
}

Example 19 with COSClient

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

the class RestoreObjectDemo method restoreObjectDemo.

public static void restoreObjectDemo() {
    // 初始化用户身份信息(secretId, secretKey)
    COSCredentials cred = new BasicCOSCredentials("AKIDXXXXXXXX", "1A2Z3YYYYYYYYYY");
    // 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"));
    // 生成cos客户端
    COSClient cosclient = new COSClient(cred, clientConfig);
    String key = "test/my_data.txt";
    String bucketName = "mybucket-1251668577";
    // 上传一个类型为归档的文件
    File localFile = new File("test/my_data.txt");
    ObjectMetadata metadata = new ObjectMetadata();
    metadata.setHeader("x-cos-storage-class", "Archive");
    PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, key, localFile);
    putObjectRequest.setMetadata(metadata);
    PutObjectResult putObjectResult = cosclient.putObject(putObjectRequest);
    // 设置restore得到的临时副本过期天数为1天
    RestoreObjectRequest restoreObjectRequest = new RestoreObjectRequest(bucketName, key, 1);
    // 设置恢复模式为Standard，其他的可选模式包括Expedited和Bulk，三种恢复模式在费用和速度上不一样
    CASJobParameters casJobParameters = new CASJobParameters();
    casJobParameters.setTier(Tier.Standard);
    restoreObjectRequest.setCASJobParameters(casJobParameters);
    cosclient.restoreObject(restoreObjectRequest);
}

Example 20 with COSClient

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

the class SSECustomerDemo method SSECustomerDownload.

public static void SSECustomerDownload() {
    // 1 初始化用户身份信息(secretId, secretKey)
    COSCredentials cred = new BasicCOSCredentials("COS_SECRETID", "COS_SECRETKEY");
    // 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"));
    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 = "examplebucket-1250000000";
    String key = "aaa/bbb.txt";
    GetObjectRequest getObjectRequest = new GetObjectRequest(bucketName, key);
    SSECustomerKey sseCustomerKey = new SSECustomerKey("MDEyMzQ1Njc4OUFCQ0RFRjAxMjM0NTY3ODlBQkNERUY=");
    getObjectRequest.setSSECustomerKey(sseCustomerKey);
    try {
        COSObject cosObject = cosclient.getObject(getObjectRequest);
        COSObjectInputStream cosObjectInputStream = cosObject.getObjectContent();
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(cosObjectInputStream));
        System.out.println(bufferedReader.readLine());
    } catch (CosServiceException e) {
        e.printStackTrace();
    } catch (CosClientException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    // 关闭客户端
    cosclient.shutdown();
}