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Multi-File Zipping
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Last updated: 2024-02-02 16:51:03
Multi-File Zipping
Last updated: 2024-02-02 16:51:03
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Overview

This document provides an overview of APIs and SDK code samples for multi-file zipping in CI.
API
Description
Creates a multi-file zipping job.
Queries the result of a specified multi-file zipping job.

Submitting a Multi-File Zipping Job

Feature description

The multi-file zipping feature uses a request to zip multiple files into a compressed file such as a ZIP file. You can submit a job to zip multiple files and asynchronously return the compressed file.

Method prototype

public FileProcessJobResponse createFileProcessJob(FileProcessRequest request);

Parameter description

Request has the following sub-nodes:
Node Name (Keyword)
Parent Node
Description
Type
Required
tag
Request
Job type. It is FileCompress for multi-file zipping by default.
String
Yes
operation
Request
File zipping rule.
Container
Yes
queueId
Request
ID of the queue where the job is in
String
Yes
callBackFormat
Request
Job callback format, which can be JSON or XML (default). It takes priority over that of the queue.
String
No
callBackType
Request
Job callback type, which can be Url (default) or TDMQ. It takes priority over that of the queue.
String
No
callBack
Request
Job callback address. It takes higher priority over that of the queue.
String
No
callBackMqConfig
Request
TDMQ configuration for job callback as described in Structure, which is required if CallBackType is TDMQ.
Container
No
Operation has the following sub-nodes:
Node Name (Keyword)
Parent Node
Description
Type
Required
fileCompressConfig
Request.Operation
File zipping rule
Container
Yes
userData
Request.Operation
The user information passed through, which is printable ASCII codes of up to 1,024 in length.
String
No
output
Request.Operation
Address where the compressed file is stored
Container
Yes
FileCompressConfig has the following sub-nodes:
Node Name (Keyword)
Parent Node
Description
Type
Required
flatten
Request.Operation.FileCompressConfig
Whether to remove the directory structure of the original file during file zipping. Valid values:
0: No. After file zipping, the original directory structure is retained.
1: Yes. After file zipping, the original directory structure is removed and all files are at the same level.
Assume that the original file URL is https://domain/source/test.mp4 and the original file directory is source/test.mp4. If this parameter is set to 1, the file directory in the ZIP file is test.mp4. If this parameter is set to 0, the file directory in the ZIP file is source/test.mp4.
String
Yes
format
Request.Operation.FileCompressConfig
Zipping type. Valid values: zip, tar, tar.gz
String
Yes
urlList
Request.Operation.FileCompressConfig
Files to be zipped can be sorted into an index file. The backend zips the files into a compressed file according to the file URL provided in the index file.
The index file must be saved in the current bucket, and this field must provide the object address of the index file, for example, /test/index.csv.
Index file format: Only CSV files in which one URL occupies one row (only files in the bucket are supported) are supported. If there are multiple columns, the first column is used as the URL by default. The number of files cannot exceed 10,000 and the total size cannot exceed 50 GB. Otherwise, the job will fail.
String
No
prefix
Request.Operation.FileCompressConfig
Files with a specified prefix in the bucket can be zipped. To zip files in a specified directory, add / to the directory. For example, to zip files in the test directory, set this parameter to test/. The number of files cannot exceed 10,000 and the total size cannot exceed 50 GB. Otherwise, the job will fail.
String
No
key
Request.Operation.FileCompressConfig
Multiple files in the bucket can be zipped. The number of files cannot exceed 1,000 and the total size cannot exceed 50 GB. Otherwise, the job will fail.
String array
No
Note:
Only one of UrlList, Prefix, and Key can be selected. They cannot all be empty or do not take effect at the same time. If multiple parameters are specified, the parameter with the highest priority prevails according to the priority UrlList > Prefix > Key.
Output has the following sub-nodes:
Node Name (Keyword)
Parent Node
Description
Type
Required
region
Request.Operation.Output
Bucket region
String
Yes
bucket
Request.Operation.Output
Bucket where the compressed file is stored
String
Yes
object
Request.Operation.Output
Name of the compressed file
String
Yes

Response description

Success: The FileProcessJobResponse object response information is returned.
Failure: An error (such as the bucket does not exist) occurs, throwing the "CosClientException" or "CosServiceException" exception. For more information, see Troubleshooting.

Sample request

//1. Create a job request object
FileProcessRequest request=new FileProcessRequest();
//2. Add request parameters as detailed in the API documentation
request.setBucketName("demo-1234567890");
request.setTag(FileProcessJobType.FileCompress);
FileCompressConfig fileCompressConfig=request.getOperation().getFileCompressConfig();
fileCompressConfig.setFormat("zip");
fileCompressConfig.setFlatten("0");
List<String> keyList=fileCompressConfig.getKey();
keyList.add("mark/pic-1.jpg");
keyList.add("mark/pic-1.pdf");
//`QueueId` should be obtained in the console.
request.setQueueId("p1ff062b35a494cf0ac4b572df22****");
MediaOutputObject output=request.getOperation().getOutput();
output.setBucket("demo-1234567890");
output.setRegion("ap-shanghai");
output.setObject("output/demo.zip");
//3. Call the API to get the job response object
FileProcessJobResponse response=client.createFileProcessJob(request);

Querying Multi-File Zipping Result

Description

This API is used to query the details of a file processing job by job ID.

Method prototype

public FileProcessJobResponse describeFileProcessJob(FileProcessRequest request);

Parameter description

Parameter
Description
Type
Required
bucketName
Bucket name in the format of BucketName-APPID. For more information, see Bucket Overview.
String
Yes
jobId
ID of the job to be queried.
String
Yes

Response description

Success: A job details response wrapper class is returned, which contains the job details object FileProcessJobResponse.
Failure: An error (such as authentication failure) occurs, throwing the "CosClientException" or "CosServiceException" exception. For more information, see Troubleshooting.

Sample request

//1. Create a job request object
FileProcessRequest request = new FileProcessRequest();
//2. Add request parameters as detailed in the API documentation
request.setBucketName("demo-1234567890");
request.setJobId("fda7eb1607b8411ed8c182156726*****");
//3. Call the API to get the job response object
FileProcessJobResponse response = client.describeFileProcessJob(request);

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