PowerBuilder
PowerBuilder
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 PowerBuilder Downloads
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
oleobject loo_LastMod
integer li_NumBlobs
integer i
oleobject loo_Dt
string ls_LastModStr
li_Success = 0
// 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.
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 = 0 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)
// 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".
ls_ResponseStr = loo_Rest.FullRequestNoBody("GET","/mycontainer?restype=container&comp=list")
if loo_Rest.LastMethodSuccess = 0 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 status code,
// with an XML response 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.
// An example of the response XML 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()
// Let's iterate over the blobs...
loo_LastMod = create oleobject
li_rc = loo_LastMod.ConnectToNewObject("Chilkat.CkDateTime")
li_NumBlobs = loo_Xml.NumChildrenAt("Blobs")
i = 0
loo_Dt = create oleobject
li_rc = loo_Dt.ConnectToNewObject("Chilkat.DtObj")
do while i < li_NumBlobs
Write-Debug "---- Blob " + string(i) + " ----"
loo_Xml.I = i
Write-Debug "Name: " + loo_Xml.GetChildContent("Blobs|Blob[i]|Name")
Write-Debug "Content-Length: " + loo_Xml.GetChildContent("Blobs|Blob[i]|Properties|Content-Length")
Write-Debug "Content-Type: " + loo_Xml.GetChildContent("Blobs|Blob[i]|Properties|Content-Type")
Write-Debug "Content-MD5: " + loo_Xml.GetChildContent("Blobs|Blob[i]|Properties|Content-MD5")
Write-Debug "BlobType: " + loo_Xml.GetChildContent("Blobs|Blob[i]|Properties|BlobType")
Write-Debug "LeaseStatus: " + loo_Xml.GetChildContent("Blobs|Blob[i]|Properties|LeaseStatus")
loo_LastMod.SetFromRfc822(loo_Xml.GetChildContent("Blobs|Blob[i]|Properties|Last-Modified"))
loo_LastMod.ToDtObj(1,loo_Dt)
Write-Debug "Last-Modified YMD: " + string(loo_Dt.Year) + "," + string(loo_Dt.Month) + "," + string(loo_Dt.Day)
i = i + 1
loop
Write-Debug "-------------------------"
// 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"
ls_LastModStr = loo_Xml.ChilkatPath("/C/Name,helloWorld.txt|..|Properties|Last-Modified|*")
Write-Debug "helloWorld.txt Last-Modified: " + ls_LastModStr
Write-Debug "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>
//
destroy loo_Rest
destroy loo_AzAuth
destroy loo_Xml
destroy loo_LastMod
destroy loo_Dt