DataFlex

Create S3 Bucket in a Region

See more Amazon S3 Examples

Demonstrates how to create an S3 bucket in a specified region. This example will create a bucket in the eu-west-2 region. DataFlex

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoRest
    Boolean iBTls
    Integer iPort
    Boolean iBAutoReconnect
    Variant vAuthAws
    Handle hoAuthAws
    String sBucketRegion
    Handle hoSbBucketRegion
    Handle hoXml
    String sResponseStr
    Handle hoResponseXml
    String sTemp1
    Integer iTemp1
    Boolean bTemp1

    Move False To iSuccess

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

    Get Create (RefClass(cComChilkatRest)) To hoRest
    If (Not(IsComObjectCreated(hoRest))) Begin
        Send CreateComObject of hoRest
    End

    // Connect to the Amazon AWS REST server.
    Move True To iBTls
    Move 443 To iPort
    Move True To iBAutoReconnect
    Get ComConnect Of hoRest "s3.amazonaws.com" iPort iBTls iBAutoReconnect To iSuccess

    // Provide AWS credentials for the REST call.
    Get Create (RefClass(cComChilkatAuthAws)) To hoAuthAws
    If (Not(IsComObjectCreated(hoAuthAws))) Begin
        Send CreateComObject of hoAuthAws
    End
    Set ComAccessKey Of hoAuthAws To "AWS_ACCESS_KEY"
    Set ComSecretKey Of hoAuthAws To "AWS_SECRET_KEY"
    Set ComServiceName Of hoAuthAws To "s3"
    Get pvComObject of hoAuthAws to vAuthAws
    Get ComSetAuthAws Of hoRest vAuthAws To iSuccess

    // We'll send a PUT request having an XML body such as this:
    // <CreateBucketConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/"> 
    //   <LocationConstraint>BucketRegion</LocationConstraint> 
    //   </CreateBucketConfiguration>

    // Create the XML body specifying the region as "eu-west-2"
    Move "eu-west-2" To sBucketRegion
    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbBucketRegion
    If (Not(IsComObjectCreated(hoSbBucketRegion))) Begin
        Send CreateComObject of hoSbBucketRegion
    End
    Get ComAppend Of hoSbBucketRegion sBucketRegion To iSuccess

    // We only need to specify the LocationConstraint if the bucket's region is NOT us-east-1
    Get Create (RefClass(cComChilkatXml)) To hoXml
    If (Not(IsComObjectCreated(hoXml))) Begin
        Send CreateComObject of hoXml
    End
    Get ComContentsEqual Of hoSbBucketRegion "us-east-1" To bTemp1
    If (Not bTemp1) Begin
        Set ComTag Of hoXml To "CreateBucketConfiguration"
        Get ComAddAttribute Of hoXml "xmlns" "http://s3.amazonaws.com/doc/2006-03-01/" To iSuccess
        Send ComUpdateChildContent To hoXml "LocationConstraint" "eu-west-2"
    End

    // --------------------------------------------------------------
    // IMPORTANT: To create a bucket in the default us-east-1 region,
    // do not add the LocationConstraint.  Adding a LocationConstraint of "us-east-1"
    // causes an error "The specified location-constraint is not valid."
    // By default, the bucket is created in us-east-1 by sending a PUT with an empty body.
    // --------------------------------------------------------------

    // Set the bucket name via the HOST header.
    // In this case, the bucket name is "chilkateuwest2".
    Set ComHost Of hoRest To "chilkateuwest2.s3.amazonaws.com"

    // Make the call to create the bucket.

    Get ComContentsEqual Of hoSbBucketRegion "us-east-1" To bTemp1
    If (Not bTemp1) Begin
        Get ComGetXml Of hoXml To sTemp1
        Get ComFullRequestString Of hoRest "PUT" "/" sTemp1 To sResponseStr
    End
    Else Begin
        // If the bucket is to be created in the us-east-1 region (the default region)
        // just send a PUT with no body.
        Get ComFullRequestNoBody Of hoRest "PUT" "/" To sResponseStr
    End

    Get ComLastMethodSuccess Of hoRest To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComResponseStatusCode Of hoRest To iTemp1
    If (iTemp1 <> 200) Begin
        Get ComResponseStatusCode Of hoRest To iTemp1
        Showln "status code = " iTemp1
        Get Create (RefClass(cComChilkatXml)) To hoResponseXml
        If (Not(IsComObjectCreated(hoResponseXml))) Begin
            Send CreateComObject of hoResponseXml
        End
        Get ComLoadXml Of hoResponseXml sResponseStr To iSuccess
        Get ComGetXml Of hoResponseXml To sTemp1
        Showln sTemp1
        Showln "Failed."
        Procedure_Return
    End

    Showln "Bucket in the eu-west-2 region created."


End_Procedure