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(DataFlex) Azure Blob Service - List all Containers in a Storage Account

Azure Storage Blob Service REST API: Lists all the containers in a storage account.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoRest
    Boolean iBTls
    Integer iPort
    Boolean iBAutoReconnect
    Boolean iSuccess
    Variant vAzAuth
    Handle hoAzAuth
    String sResponseStr
    Handle hoXml
    Integer iNumContainers
    Integer i
    String sLastModDateStr
    Handle hoDateTime
    String sLeaseState
    String sTemp1
    Integer iTemp1
    Boolean bTemp1

    // Azure Blob Service Example: List all of the containers in an account.

    // 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 Azure Storage Blob Service
    Move True To iBTls
    Move 443 To iPort
    Move True To iBAutoReconnect
    // In this example, the storage account name is "chilkat".
    Get ComConnect Of hoRest "chilkat.blob.core.windows.net" iPort iBTls iBAutoReconnect To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Provide Azure Cloud credentials for the REST call.
    Get Create (RefClass(cComChilkatAuthAzureStorage)) To hoAzAuth
    If (Not(IsComObjectCreated(hoAzAuth))) Begin
        Send CreateComObject of hoAzAuth
    End
    Set ComAccessKey Of hoAzAuth To "AZURE_ACCESS_KEY"
    // The account name used here should match the 1st part of the domain passed in the call to Connect (above).
    Set ComAccount Of hoAzAuth To "chilkat"
    Set ComScheme Of hoAzAuth To "SharedKey"
    Set ComService Of hoAzAuth To "Blob"
    // This causes the "x-ms-version: 2020-08-04" header to be automatically added.
    Set ComXMsVersion Of hoAzAuth To "2020-08-04"
    Get pvComObject of hoAzAuth to vAzAuth
    Get ComSetAuthAzureStorage Of hoRest vAzAuth To iSuccess

    // URI parameters, such as "maxresults", are added by calling AddQueryParam
    Get ComAddQueryParam Of hoRest "maxresults" "1000" To iSuccess

    // Note: The application does not need to explicitly set the following
    // headers: x-ms-date, Authorization.  These headers
    // are automatically set by Chilkat.

    Get ComFullRequestNoBody Of hoRest "GET" "/?comp=list" To sResponseStr
    Get ComLastMethodSuccess Of hoRest To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // When successful, the Azure Storage service will respond with a 200 response code,
    // with an XML body.  
    Get ComResponseStatusCode Of hoRest To iTemp1
    If (iTemp1 <> 200) Begin
        // Examine the request/response to see what happened.
        Get ComResponseStatusCode Of hoRest To iTemp1
        Showln "response status code = " iTemp1
        Get ComResponseStatusText Of hoRest To sTemp1
        Showln "response status text = " sTemp1
        Get ComResponseHeader Of hoRest To sTemp1
        Showln "response header: " sTemp1
        Showln "response body (if any): " sResponseStr
        Showln "---"
        Get ComLastRequestStartLine Of hoRest To sTemp1
        Showln "LastRequestStartLine: " sTemp1
        Get ComLastRequestHeader Of hoRest To sTemp1
        Showln "LastRequestHeader: " sTemp1
        Procedure_Return
    End

    // Load the XML response for parsing.
    // A sample XML response containing 2 containers is shown below.
    Get Create (RefClass(cComChilkatXml)) To hoXml
    If (Not(IsComObjectCreated(hoXml))) Begin
        Send CreateComObject of hoXml
    End
    Get ComLoadXml Of hoXml sResponseStr To iSuccess

    Get ComGetXml Of hoXml To sTemp1
    Showln sTemp1

    // Iterate over the containers, listing some information about each.
    Get ComFindChild2 Of hoXml "Containers" To iSuccess
    Get ComNumChildren Of hoXml To iNumContainers
    Move 0 To i
    While (i < iNumContainers)
        Get ComGetChild2 Of hoXml i To iSuccess
        Get ComGetChildContent Of hoXml "Name" To sTemp1
        Showln "Container Name: " sTemp1
        Get ComChilkatPath Of hoXml "Properties|Last-Modified|*" To sLastModDateStr
        Showln "Last Modified: " sLastModDateStr
        // The date/time string can be loaded into a CkDateTime object for conversion to other date formats..
        Get Create (RefClass(cComCkDateTime)) To hoDateTime
        If (Not(IsComObjectCreated(hoDateTime))) Begin
            Send CreateComObject of hoDateTime
        End
        Get ComSetFromRfc822 Of hoDateTime sLastModDateStr To iSuccess

        Get ComChilkatPath Of hoXml "Properties|LeaseState|*" To sLeaseState
        Showln "Lease State: " sLeaseState

        Get ComGetParent2 Of hoXml To iSuccess
        Move (i + 1) To i
    Loop

    Get ComGetParent2 Of hoXml To iSuccess

    // Sample XML response:

    // 	<?xml version="1.0" encoding="utf-8" ?>
    // 	<EnumerationResults ServiceEndpoint="https://chilkat.blob.core.windows.net/">
    // 	    <MaxResults>1000</MaxResults>
    // 	    <Containers>
    // 	        <Container>
    // 	            <Name>test</Name>
    // 	            <Properties>
    // 	                <Last-Modified>Wed, 20 Apr 2016 01:02:25 GMT</Last-Modified>
    // 	                <Etag>"0x8D368B77024C583"</Etag>
    // 	                <LeaseStatus>unlocked</LeaseStatus>
    // 	                <LeaseState>available</LeaseState>
    // 	            </Properties>
    // 	        </Container>
    // 	        <Container>
    // 	            <Name>test2</Name>
    // 	            <Properties>
    // 	                <Last-Modified>Tue, 03 May 2016 17:13:01 GMT</Last-Modified>
    // 	                <Etag>"0x8D373762EB6AC85"</Etag>
    // 	                <LeaseStatus>unlocked</LeaseStatus>
    // 	                <LeaseState>available</LeaseState>
    // 	            </Properties>
    // 	        </Container>
    // 	    </Containers>
    // 	    <NextMarker />
    // 	</EnumerationResults>


End_Procedure

 

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