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Cloud Object Storage
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    Multi-File Zipping

    Terakhir diperbarui: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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