Swift
Swift
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 Swift Downloads
func chilkatTest() {
var success: Bool = 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.
let rest = CkoRest()!
// Connect to the Azure Storage Blob Service
var bTls: Bool = true
var port: Int = 443
var bAutoReconnect: Bool = true
// In this example, the storage account name is "chilkat".
success = rest.connect(hostname: "chilkat.blob.core.windows.net", port: port, tls: bTls, autoReconnect: bAutoReconnect)
if success == false {
print("\(rest.lastErrorText!)")
return
}
// Provide Azure Cloud credentials for the REST call.
let azAuth = CkoAuthAzureStorage()!
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(authProvider: 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".
var responseStr: String? = rest.fullRequestNoBody(httpVerb: "GET", uriPath: "/mycontainer?restype=container&comp=list")
if rest.lastMethodSuccess == false {
print("\(rest.lastErrorText!)")
return
}
// When successful, the Azure Storage service will respond with a 200 response status code,
// with an XML response body.
if rest.responseStatusCode.intValue != 200 {
// Examine the request/response to see what happened.
print("response status code = \(rest.responseStatusCode.intValue)")
print("response status text = \(rest.responseStatusText!)")
print("response header: \(rest.responseHeader!)")
print("response body (if any): \(responseStr!)")
print("---")
print("LastRequestStartLine: \(rest.lastRequestStartLine!)")
print("LastRequestHeader: \(rest.lastRequestHeader!)")
return
}
// Load the XML response for parsing.
// An example of the response XML is shown below.
let xml = CkoXml()!
success = xml.load(xmlData: responseStr)
print("\(xml.getXml()!)")
// Let's iterate over the blobs...
let lastMod = CkoDateTime()!
var numBlobs: Int = xml.numChildren(at: "Blobs").intValue
var i: Int = 0
let dt = CkoDtObj()!
while i < numBlobs {
print("---- Blob \(i) ----")
xml.i = i
print("Name: \(xml.getChildContent(tagPath: "Blobs|Blob[i]|Name")!)")
print("Content-Length: \(xml.getChildContent(tagPath: "Blobs|Blob[i]|Properties|Content-Length")!)")
print("Content-Type: \(xml.getChildContent(tagPath: "Blobs|Blob[i]|Properties|Content-Type")!)")
print("Content-MD5: \(xml.getChildContent(tagPath: "Blobs|Blob[i]|Properties|Content-MD5")!)")
print("BlobType: \(xml.getChildContent(tagPath: "Blobs|Blob[i]|Properties|BlobType")!)")
print("LeaseStatus: \(xml.getChildContent(tagPath: "Blobs|Blob[i]|Properties|LeaseStatus")!)")
lastMod.set(fromRfc822: xml.getChildContent(tagPath: "Blobs|Blob[i]|Properties|Last-Modified"))
lastMod.toDtObj(bLocal: true, dtObj: dt)
print("Last-Modified YMD: \(dt.year.intValue),\(dt.month.intValue),\(dt.day.intValue)")
i = i + 1
}
print("-------------------------")
// 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"
var lastModStr: String? = xml.chilkatPath(cmd: "/C/Name,helloWorld.txt|..|Properties|Last-Modified|*")
print("helloWorld.txt Last-Modified: \(lastModStr!)")
print("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>
//
}