DataFlex

S3 Download Specific Version of File

See more Amazon S3 Examples

Demonstrates how to download a file from the Amazon S3 service using the versionId query parameter.

Note: This example requires Chilkat v9.5.0.89 or later. (A problem regarding AwsSubResources w/ downloads was fixed shortly after the v9.5.0.88 release.)

DataFlex

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoHttp
    String sBucketName
    String sObjectName
    String sLocalFilePath
    String sTemp1

    Move False To iSuccess

    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End

    Set ComAwsAccessKey Of hoHttp To "AWS_ACCESS_KEY"
    Set ComAwsSecretKey Of hoHttp To "AWS_SECRET_KEY"
    Set ComAwsRegion Of hoHttp To "us-east-1"
    Set ComAwsEndpoint Of hoHttp To "s3.amazonaws.com"
    Set ComAwsSubResources Of hoHttp To "versionId=x8UPzRsgskmbe55lEQvhLi25PQl2lcFH"

    Move "chilkat100" To sBucketName
    Move "frenchUtf8.txt" To sObjectName
    Move "qa_output/frenchUtf8.txt" To sLocalFilePath

    Get ComS3_DownloadFile Of hoHttp sBucketName sObjectName sLocalFilePath To iSuccess

    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
    End
    Else Begin
        Showln "File downloaded."
    End



End_Procedure