PowerBuilder

Azure Blob Service - List all Containers in a Storage Account

See more Azure Cloud Storage Examples

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

integer li_rc
integer li_Success
oleobject loo_Rest
integer li_BTls
integer li_Port
integer li_BAutoReconnect
oleobject loo_AzAuth
string ls_ResponseStr
oleobject loo_Xml
integer li_NumContainers
integer i
string ls_LastModDateStr
oleobject loo_DateTime
string ls_LeaseState

li_Success = 0

// 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.

loo_Rest = create oleobject
li_rc = loo_Rest.ConnectToNewObject("Chilkat.Rest")
if li_rc < 0 then
    destroy loo_Rest
    MessageBox("Error","Connecting to COM object failed")
    return
end if

// Connect to the Azure Storage Blob Service
li_BTls = 1
li_Port = 443
li_BAutoReconnect = 1
// In this example, the storage account name is "chilkat".
li_Success = loo_Rest.Connect("chilkat.blob.core.windows.net",li_Port,li_BTls,li_BAutoReconnect)
if li_Success <> 1 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_Rest
    return
end if

// Provide Azure Cloud credentials for the REST call.
loo_AzAuth = create oleobject
li_rc = loo_AzAuth.ConnectToNewObject("Chilkat.AuthAzureStorage")

loo_AzAuth.AccessKey = "AZURE_ACCESS_KEY"
// The account name used here should match the 1st part of the domain passed in the call to Connect (above).
loo_AzAuth.Account = "chilkat"
loo_AzAuth.Scheme = "SharedKey"
loo_AzAuth.Service = "Blob"
// This causes the "x-ms-version: 2021-08-06" header to be automatically added.
loo_AzAuth.XMsVersion = "2021-08-06"
li_Success = loo_Rest.SetAuthAzureStorage(loo_AzAuth)

// URI parameters, such as "maxresults", are added by calling AddQueryParam
li_Success = loo_Rest.AddQueryParam("maxresults","1000")

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

ls_ResponseStr = loo_Rest.FullRequestNoBody("GET","/?comp=list")
if loo_Rest.LastMethodSuccess <> 1 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_Rest
    destroy loo_AzAuth
    return
end if

// When successful, the Azure Storage service will respond with a 200 response code,
// with an XML body.  
if loo_Rest.ResponseStatusCode <> 200 then
    // Examine the request/response to see what happened.
    Write-Debug "response status code = " + string(loo_Rest.ResponseStatusCode)
    Write-Debug "response status text = " + loo_Rest.ResponseStatusText
    Write-Debug "response header: " + loo_Rest.ResponseHeader
    Write-Debug "response body (if any): " + ls_ResponseStr
    Write-Debug "---"
    Write-Debug "LastRequestStartLine: " + loo_Rest.LastRequestStartLine
    Write-Debug "LastRequestHeader: " + loo_Rest.LastRequestHeader
    destroy loo_Rest
    destroy loo_AzAuth
    return
end if

// Load the XML response for parsing.
// A sample XML response containing 2 containers is shown below.
loo_Xml = create oleobject
li_rc = loo_Xml.ConnectToNewObject("Chilkat.Xml")

li_Success = loo_Xml.LoadXml(ls_ResponseStr)

Write-Debug loo_Xml.GetXml()

// Iterate over the containers, listing some information about each.
li_Success = loo_Xml.FindChild2("Containers")
li_NumContainers = loo_Xml.NumChildren
i = 0
do while (i < li_NumContainers)
    li_Success = loo_Xml.GetChild2(i)
    Write-Debug "Container Name: " + loo_Xml.GetChildContent("Name")
    ls_LastModDateStr = loo_Xml.ChilkatPath("Properties|Last-Modified|*")
    Write-Debug "Last Modified: " + ls_LastModDateStr
    // The date/time string can be loaded into a CkDateTime object for conversion to other date formats..
    loo_DateTime = create oleobject
    li_rc = loo_DateTime.ConnectToNewObject("Chilkat.CkDateTime")

    li_Success = loo_DateTime.SetFromRfc822(ls_LastModDateStr)

    ls_LeaseState = loo_Xml.ChilkatPath("Properties|LeaseState|*")
    Write-Debug "Lease State: " + ls_LeaseState

    li_Success = loo_Xml.GetParent2()
    i = i + 1
loop
li_Success = loo_Xml.GetParent2()

// 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>


destroy loo_Rest
destroy loo_AzAuth
destroy loo_Xml
destroy loo_DateTime