Xojo Plugin

Azure Blob Service - List all Containers in a Storage Account

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

Dim success As Boolean
success = False

// 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.

Dim rest As New Chilkat.Rest

// Connect to the Azure Storage Blob Service
Dim bTls As Boolean
bTls = True
Dim port As Int32
port = 443
Dim bAutoReconnect As Boolean
bAutoReconnect = True
// In this example, the storage account name is "chilkat".
success = rest.Connect("chilkat.blob.core.windows.net",port,bTls,bAutoReconnect)
If (success <> True) Then
    System.DebugLog(rest.LastErrorText)
    Return
End If

// Provide Azure Cloud credentials for the REST call.
Dim azAuth As New Chilkat.AuthAzureStorage
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).
azAuth.Account = "chilkat"
azAuth.Scheme = "SharedKey"
azAuth.Service = "Blob"
// This causes the "x-ms-version: 2021-08-06" header to be automatically added.
azAuth.XMsVersion = "2021-08-06"
success = rest.SetAuthAzureStorage(azAuth)

// URI parameters, such as "maxresults", are added by calling AddQueryParam
success = 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.

Dim responseStr As String
responseStr = rest.FullRequestNoBody("GET","/?comp=list")
If (rest.LastMethodSuccess <> True) Then
    System.DebugLog(rest.LastErrorText)
    Return
End If

// When successful, the Azure Storage service will respond with a 200 response code,
// with an XML body.  
If (rest.ResponseStatusCode <> 200) Then
    // Examine the request/response to see what happened.
    System.DebugLog("response status code = " + Str(rest.ResponseStatusCode))
    System.DebugLog("response status text = " + rest.ResponseStatusText)
    System.DebugLog("response header: " + rest.ResponseHeader)
    System.DebugLog("response body (if any): " + responseStr)
    System.DebugLog("---")
    System.DebugLog("LastRequestStartLine: " + rest.LastRequestStartLine)
    System.DebugLog("LastRequestHeader: " + rest.LastRequestHeader)
    Return
End If

// Load the XML response for parsing.
// A sample XML response containing 2 containers is shown below.
Dim xml As New Chilkat.Xml
success = xml.LoadXml(responseStr)

System.DebugLog(xml.GetXml())

// Iterate over the containers, listing some information about each.
success = xml.FindChild2("Containers")
Dim numContainers As Int32
numContainers = xml.NumChildren
Dim i As Int32
i = 0
While (i < numContainers)
    success = xml.GetChild2(i)
    System.DebugLog("Container Name: " + xml.GetChildContent("Name"))
    Dim lastModDateStr As String
    lastModDateStr = xml.ChilkatPath("Properties|Last-Modified|*")
    System.DebugLog("Last Modified: " + lastModDateStr)
    // The date/time string can be loaded into a CkDateTime object for conversion to other date formats..
    Dim dateTime As New Chilkat.CkDateTime
    success = dateTime.SetFromRfc822(lastModDateStr)

    Dim leaseState As String
    leaseState = xml.ChilkatPath("Properties|LeaseState|*")
    System.DebugLog("Lease State: " + leaseState)

    success = xml.GetParent2()
    i = i + 1
Wend
success = 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>