Visual FoxPro
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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 Visual FoxPro Downloads
LOCAL lnSuccess
LOCAL loRest
LOCAL lnBTls
LOCAL lnPort
LOCAL lnBAutoReconnect
LOCAL loAzAuth
LOCAL lcResponseStr
LOCAL loXml
LOCAL loLastMod
LOCAL lnNumBlobs
LOCAL i
LOCAL loDt
LOCAL lcLastModStr
lnSuccess = 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.
loRest = CreateObject('Chilkat.Rest')
* Connect to the Azure Storage Blob Service
lnBTls = 1
lnPort = 443
lnBAutoReconnect = 1
* In this example, the storage account name is "chilkat".
lnSuccess = loRest.Connect("chilkat.blob.core.windows.net",lnPort,lnBTls,lnBAutoReconnect)
IF (lnSuccess = 0) THEN
? loRest.LastErrorText
RELEASE loRest
CANCEL
ENDIF
* Provide Azure Cloud credentials for the REST call.
loAzAuth = CreateObject('Chilkat.AuthAzureStorage')
loAzAuth.AccessKey = "AZURE_ACCESS_KEY"
* The account name used here should match the 1st part of the domain passed in the call to Connect (above).
loAzAuth.Account = "chilkat"
loAzAuth.Scheme = "SharedKey"
loAzAuth.Service = "Blob"
* This causes the "x-ms-version: 2021-08-06" header to be automatically added.
loAzAuth.XMsVersion = "2021-08-06"
lnSuccess = loRest.SetAuthAzureStorage(loAzAuth)
* 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".
lcResponseStr = loRest.FullRequestNoBody("GET","/mycontainer?restype=container&comp=list")
IF (loRest.LastMethodSuccess = 0) THEN
? loRest.LastErrorText
RELEASE loRest
RELEASE loAzAuth
CANCEL
ENDIF
* When successful, the Azure Storage service will respond with a 200 response status code,
* with an XML response body.
IF (loRest.ResponseStatusCode <> 200) THEN
* Examine the request/response to see what happened.
? "response status code = " + STR(loRest.ResponseStatusCode)
? "response status text = " + loRest.ResponseStatusText
? "response header: " + loRest.ResponseHeader
? "response body (if any): " + lcResponseStr
? "---"
? "LastRequestStartLine: " + loRest.LastRequestStartLine
? "LastRequestHeader: " + loRest.LastRequestHeader
RELEASE loRest
RELEASE loAzAuth
CANCEL
ENDIF
* Load the XML response for parsing.
* An example of the response XML is shown below.
loXml = CreateObject('Chilkat.Xml')
lnSuccess = loXml.LoadXml(lcResponseStr)
? loXml.GetXml()
* Let's iterate over the blobs...
loLastMod = CreateObject('Chilkat.CkDateTime')
lnNumBlobs = loXml.NumChildrenAt("Blobs")
i = 0
loDt = CreateObject('Chilkat.DtObj')
DO WHILE i < lnNumBlobs
? "---- Blob " + STR(i) + " ----"
loXml.I = i
? "Name: " + loXml.GetChildContent("Blobs|Blob[i]|Name")
? "Content-Length: " + loXml.GetChildContent("Blobs|Blob[i]|Properties|Content-Length")
? "Content-Type: " + loXml.GetChildContent("Blobs|Blob[i]|Properties|Content-Type")
? "Content-MD5: " + loXml.GetChildContent("Blobs|Blob[i]|Properties|Content-MD5")
? "BlobType: " + loXml.GetChildContent("Blobs|Blob[i]|Properties|BlobType")
? "LeaseStatus: " + loXml.GetChildContent("Blobs|Blob[i]|Properties|LeaseStatus")
loLastMod.SetFromRfc822(loXml.GetChildContent("Blobs|Blob[i]|Properties|Last-Modified"))
loLastMod.ToDtObj(1,loDt)
? "Last-Modified YMD: " + STR(loDt.Year) + "," + STR(loDt.Month) + "," + STR(loDt.Day)
i = i + 1
ENDDO
? "-------------------------"
* 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"
lcLastModStr = loXml.ChilkatPath("/C/Name,helloWorld.txt|..|Properties|Last-Modified|*")
? "helloWorld.txt Last-Modified: " + lcLastModStr
? "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>
*
RELEASE loRest
RELEASE loAzAuth
RELEASE loXml
RELEASE loLastMod
RELEASE loDt