use of com.qcloud.cos.ClientConfig in project cos-java-sdk-v5 by tencentyun.
the class GetObjectURLDemo method getObjectUrl.
public static void getObjectUrl() {
// 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);
// 生成cos客户端
COSClient cosclient = new COSClient(cred, clientConfig);
String key = "test/my_test中文.json";
String bucketName = "mybucket-1251668577";
System.out.println(cosclient.getObjectUrl(bucketName, key));
}
use of com.qcloud.cos.ClientConfig in project cos-java-sdk-v5 by tencentyun.
the class KMSEncryptionClientDemo method createCosClient.
static COSClient createCosClient(String region) {
// 初始化用户身份信息(secretId, secretKey)
COSCredentials cred = new BasicCOSCredentials("AKIDxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", "yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy");
// 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(region));
// 为防止请求头部被篡改导致的数据无法解密,强烈建议只使用 https 协议发起请求
clientConfig.setHttpProtocol(HttpProtocol.https);
// 初始化 KMS 加密材料
KMSEncryptionMaterials encryptionMaterials = new KMSEncryptionMaterials(cmk);
// 使用AES/CTR模式,并将加密信息存储在文件元信息中.
// 如果想要此次加密的对象被 COS 其他的 SDK 解密下载,则必须选择 AesCtrEncryption 模式
CryptoConfiguration cryptoConf = new CryptoConfiguration(CryptoMode.AesCtrEncryption).withStorageMode(CryptoStorageMode.ObjectMetadata);
// // 如果 kms 服务的 region 与 cos 的 region 不一致,则在加密信息里指定 kms 服务的 region
// cryptoConf.setKmsRegion(kmsRegion);
// // 如果需要可以为 KMS 服务的 cmk 设置对应的描述信息。
// encryptionMaterials.addDescription("kms-region", "guangzhou");
// 生成加密客户端EncryptionClient, COSEncryptionClient是COSClient的子类, 所有COSClient支持的接口他都支持。
// EncryptionClient覆盖了COSClient上传下载逻辑,操作内部会执行加密操作,其他操作执行逻辑和COSClient一致
COSEncryptionClient cosEncryptionClient = new COSEncryptionClient(new COSStaticCredentialsProvider(cred), new KMSEncryptionMaterialsProvider(encryptionMaterials), clientConfig, cryptoConf);
return cosEncryptionClient;
}
use of com.qcloud.cos.ClientConfig in project cos-java-sdk-v5 by tencentyun.
the class ListObjectsDemo method listObjectsDemo.
public static void listObjectsDemo() {
// 1 初始化用户身份信息(appid, 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);
// bucket名称, 需包含appid
String bucketName = "mybucket-1251668577";
ListObjectsRequest listObjectsRequest = new ListObjectsRequest();
// 设置bucket名称
listObjectsRequest.setBucketName(bucketName);
// prefix表示列出的object的key以prefix开始
listObjectsRequest.setPrefix("");
// 设置最大遍历出多少个对象, 一次listobject最大支持1000
listObjectsRequest.setMaxKeys(1000);
// listObjectsRequest.setDelimiter("/");
ObjectListing objectListing = null;
try {
objectListing = cosclient.listObjects(listObjectsRequest);
} catch (CosServiceException e) {
e.printStackTrace();
} catch (CosClientException e) {
e.printStackTrace();
}
// common prefix表示表示被delimiter截断的路径, 如delimter设置为/, common prefix则表示所有子目录的路径
List<String> commonPrefixs = objectListing.getCommonPrefixes();
// object summary表示所有列出的object列表
List<COSObjectSummary> cosObjectSummaries = objectListing.getObjectSummaries();
for (COSObjectSummary cosObjectSummary : cosObjectSummaries) {
// 文件的路径key
String key = cosObjectSummary.getKey();
// 文件的etag
String etag = cosObjectSummary.getETag();
// 文件的长度
long fileSize = cosObjectSummary.getSize();
// 文件的存储类型
String storageClasses = cosObjectSummary.getStorageClass();
System.out.println("key: " + key);
}
cosclient.shutdown();
}
use of com.qcloud.cos.ClientConfig in project cos-java-sdk-v5 by tencentyun.
the class MultipartUploadDemo method completePartDemo.
// complete完成分片上传
public static void completePartDemo(String uploadId, List<PartETag> partETags) {
// 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);
// bucket名需包含appid
String bucketName = "mybucket-1251668577";
String key = "aaa/bbb.txt";
// uploadid(通过initiateMultipartUpload或者ListMultipartUploads获取)
// 分片上传结束后,调用complete完成分片上传
CompleteMultipartUploadRequest completeMultipartUploadRequest = new CompleteMultipartUploadRequest(bucketName, key, uploadId, partETags);
try {
CompleteMultipartUploadResult completeResult = cosclient.completeMultipartUpload(completeMultipartUploadRequest);
String etag = completeResult.getETag();
String crc64 = completeResult.getCrc64Ecma();
} catch (CosServiceException e) {
throw e;
} catch (CosClientException e) {
throw e;
}
cosclient.shutdown();
}
use of com.qcloud.cos.ClientConfig in project cos-java-sdk-v5 by tencentyun.
the class MultipartUploadDemo method UploadPartDemo.
// 分块上传(上传某一个分片的数据)
public static List<PartETag> UploadPartDemo(String uploadId) {
// 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);
// bucket名需包含appid
String bucketName = "mybucket-1251668577";
String key = "aaa/bbb.txt";
// uploadid(通过initiateMultipartUpload或者ListMultipartUploads获取)
boolean userTrafficLimit = false;
List<PartETag> partETags = new LinkedList<>();
// 生成要上传的数据, 这里初始化一个10M的数据
for (int i = 0; i < 10; i++) {
byte[] data = new byte[1024 * 1024];
UploadPartRequest uploadPartRequest = new UploadPartRequest();
uploadPartRequest.setBucketName(bucketName);
uploadPartRequest.setKey(key);
uploadPartRequest.setUploadId(uploadId);
// 设置分块的数据来源输入流
uploadPartRequest.setInputStream(new ByteArrayInputStream(data));
// 设置分块的长度
// 设置数据长度
uploadPartRequest.setPartSize(data.length);
// 假设要上传的part编号是10
uploadPartRequest.setPartNumber(i + 1);
if (userTrafficLimit) {
uploadPartRequest.setTrafficLimit(8 * 1024 * 1024);
}
try {
UploadPartResult uploadPartResult = cosclient.uploadPart(uploadPartRequest);
PartETag partETag = uploadPartResult.getPartETag();
partETags.add(partETag);
String crc64 = uploadPartResult.getCrc64Ecma();
} catch (CosServiceException e) {
throw e;
} catch (CosClientException e) {
throw e;
}
}
cosclient.shutdown();
return partETags;
}
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