Xojo Plugin
Xojo Plugin
Azure Storage: List Blobs
See more Azure Cloud Storage Examples
Azure Storage Blob Service REST API: Sample code to fetch the list of blobs in the specified container.Chilkat Xojo Plugin Downloads
Dim success As Boolean
success = False
// Azure Blob Service Example: List the blobs in a specified container.
// See also: https://msdn.microsoft.com/en-us/library/azure/dd135734.aspx
// 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 = False) 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)
// Note: The application does not need to explicitly set the following
// headers: x-ms-date, Authorization. These headers
// are automatically set by Chilkat.
// The expected success response is a 200 response status code with an XML response body.
// In this example, we are listing the blobs in the container named "mycontainer".
Dim responseStr As String
responseStr = rest.FullRequestNoBody("GET","/mycontainer?restype=container&comp=list")
If (rest.LastMethodSuccess = False) Then
System.DebugLog(rest.LastErrorText)
Return
End If
// When successful, the Azure Storage service will respond with a 200 response status code,
// with an XML response 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.
// An example of the response XML is shown below.
Dim xml As New Chilkat.Xml
success = xml.LoadXml(responseStr)
System.DebugLog(xml.GetXml())
// Let's iterate over the blobs...
Dim lastMod As New Chilkat.CkDateTime
Dim numBlobs As Int32
numBlobs = xml.NumChildrenAt("Blobs")
Dim i As Int32
i = 0
Dim dt As New Chilkat.DtObj
While i < numBlobs
System.DebugLog("---- Blob " + Str(i) + " ----")
xml.I = i
System.DebugLog("Name: " + xml.GetChildContent("Blobs|Blob[i]|Name"))
System.DebugLog("Content-Length: " + xml.GetChildContent("Blobs|Blob[i]|Properties|Content-Length"))
System.DebugLog("Content-Type: " + xml.GetChildContent("Blobs|Blob[i]|Properties|Content-Type"))
System.DebugLog("Content-MD5: " + xml.GetChildContent("Blobs|Blob[i]|Properties|Content-MD5"))
System.DebugLog("BlobType: " + xml.GetChildContent("Blobs|Blob[i]|Properties|BlobType"))
System.DebugLog("LeaseStatus: " + xml.GetChildContent("Blobs|Blob[i]|Properties|LeaseStatus"))
success = lastMod.SetFromRfc822(xml.GetChildContent("Blobs|Blob[i]|Properties|Last-Modified"))
lastMod.ToDtObj True,dt
System.DebugLog("Last-Modified YMD: " + Str(dt.Year) + "," + Str(dt.Month) + "," + Str(dt.Day))
i = i + 1
Wend
System.DebugLog("-------------------------")
// Use the ChilkatPath method to get information for a specific blob:
// For example, let's say we want the Last-Modified date/time for
// the blob named "helloWorld.txt"
Dim lastModStr As String
lastModStr = xml.ChilkatPath("/C/Name,helloWorld.txt|..|Properties|Last-Modified|*")
System.DebugLog("helloWorld.txt Last-Modified: " + lastModStr)
System.DebugLog("Success.")
// <?xml version="1.0" encoding="utf-8" ?>
// <EnumerationResults ServiceEndpoint="https://chilkat.blob.core.windows.net/" ContainerName="test">
// <Blobs>
// <Blob>
// <Name>hamletC.xml</Name>
// <Properties>
// <Last-Modified>Mon, 02 May 2016 23:50:30 GMT</Last-Modified>
// <Etag>0x8D372E48B6D323A</Etag>
// <Content-Length>279658</Content-Length>
// <Content-Type>application/octet-stream</Content-Type>
// <Content-Encoding />
// <Content-Language />
// <Content-MD5>4E6prI9haw81xadSLeEj3Q==</Content-MD5>
// <Cache-Control />
// <Content-Disposition>attachment; filename="hamletC.xml"</Content-Disposition>
// <BlobType>BlockBlob</BlobType>
// <LeaseStatus>unlocked</LeaseStatus>
// <LeaseState>available</LeaseState>
// </Properties>
// </Blob>
// <Blob>
// <Name>helloWorld.txt</Name>
// <Properties>
// <Last-Modified>Mon, 02 May 2016 15:21:55 GMT</Last-Modified>
// <Etag>0x8D3729D7EE38299</Etag>
// <Content-Length>12</Content-Length>
// <Content-Type>application/octet-stream</Content-Type>
// <Content-Encoding />
// <Content-Language />
// <Content-MD5>7Qdih1MuhjZehB6Sv8UNjA==</Content-MD5>
// <Cache-Control />
// <Content-Disposition>attachment; filename="helloWorld.txt"</Content-Disposition>
// <BlobType>BlockBlob</BlobType>
// <LeaseStatus>unlocked</LeaseStatus>
// <LeaseState>available</LeaseState>
// </Properties>
// </Blob>
// <Blob>
// <Name>thisIsATest.txt</Name>
// <Properties>
// <Last-Modified>Tue, 03 May 2016 00:22:13 GMT</Last-Modified>
// <Etag>0x8D372E8F9B2A62E</Etag>
// <Content-Length>1600</Content-Length>
// <Content-Type>application/octet-stream</Content-Type>
// <Content-Encoding />
// <Content-Language />
// <Content-MD5>FhgUXYfePg2ItsraPmz0Xg==</Content-MD5>
// <Cache-Control />
// <Content-Disposition>attachment; filename="thisIsATest.txt"</Content-Disposition>
// <BlobType>BlockBlob</BlobType>
// <LeaseStatus>unlocked</LeaseStatus>
// <LeaseState>available</LeaseState>
// </Properties>
// </Blob>
// </Blobs>
// <NextMarker />
// </EnumerationResults>
//