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

Example 1 with GetObjectRequest

use of com.qcloud.cos.model.GetObjectRequest 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 2 with GetObjectRequest

use of com.qcloud.cos.model.GetObjectRequest 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 3 with GetObjectRequest

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

the class PutObjectDemo method putObjectDemo.

static void putObjectDemo() {
    String bucketName = "examplebucket-1251668577";
    String key = "abc/abc.txt";
    String localPath = "abc.txt";
    ObjectMetadata objectMetadata = new ObjectMetadata();
    objectMetadata.setHeader("expires", new Date(1660000000000L));
    PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, key, new File(localPath));
    putObjectRequest.withMetadata(objectMetadata);
    PutObjectResult putObjectResult = cosClient.putObject(putObjectRequest);
    System.out.println(putObjectResult.getRequestId());
    GetObjectRequest getObjectRequest = new GetObjectRequest(bucketName, key);
    COSObject cosObject = cosClient.getObject(getObjectRequest);
    System.out.println(cosObject.getObjectMetadata().getRequestId());
    cosClient.shutdown();
}

Example 4 with GetObjectRequest

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

the class PutGetDelTest method testGetObjectIfMatchWrongEtag.

@Test
public void testGetObjectIfMatchWrongEtag() throws IOException {
    if (!judgeUserInfoValid()) {
        return;
    }
    File localFile = buildTestFile(1024);
    String key = "ut/" + localFile.getName();
    cosclient.putObject(bucket, key, localFile);
    try {
        String fileEtag = Md5Utils.md5Hex(localFile);
        // 打乱一下，得到一个错误的etag
        String wrongEtag = fileEtag.substring(5) + fileEtag.substring(0, 5);
        GetObjectRequest getObjectRequest = new GetObjectRequest(bucket, key);
        List<String> eTagList = new ArrayList<>();
        eTagList.add(wrongEtag);
        getObjectRequest.setMatchingETagConstraints(eTagList);
        COSObject cosObject = cosclient.getObject(getObjectRequest);
        assertNull(cosObject);
    } catch (CosServiceException cse) {
        fail(cse.toString());
    } finally {
        cosclient.deleteObject(bucket, key);
        assertTrue(localFile.delete());
    }
}

Example 5 with GetObjectRequest

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

the class PutGetDelTest method testRequestSpecifiedKeyInfoPutGetDel.

@Test
public void testRequestSpecifiedKeyInfoPutGetDel() throws CosServiceException, IOException, InterruptedException {
    COSClient cosclient = new COSClient(new AnonymousCOSCredentials(), clientConfig);
    File localFile = buildTestFile(1024L);
    COSCredentials cosCredentials = new BasicCOSCredentials(secretId, secretKey);
    try {
        String key = "ut/request-specified-key";
        PutObjectRequest putObjectRequest = new PutObjectRequest(bucket, key, localFile);
        putObjectRequest.setCosCredentials(cosCredentials);
        cosclient.putObject(putObjectRequest);
        GetObjectRequest getObjectRequest = new GetObjectRequest(bucket, key);
        getObjectRequest.setCosCredentials(cosCredentials);
        cosclient.getObject(getObjectRequest);
        DeleteObjectRequest deleteObjectRequest = new DeleteObjectRequest(bucket, key);
        deleteObjectRequest.setCosCredentials(cosCredentials);
        cosclient.deleteObject(deleteObjectRequest);
    } finally {
        localFile.delete();
        cosclient.shutdown();
    }
}