(Swift 3,4,5...) Azure File Service: List Shares

Sample code to list the file shares in an Azure storage account.

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func chilkatTest() {
    // Azure File Service Example: List all the file shares in a storage account.
    // See also: https://docs.microsoft.com/en-us/rest/api/storageservices/list-shares

    // 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".
    var success: Bool = rest.connect("chilkat.file.core.windows.net", port: port, tls: bTls, autoReconnect: bAutoReconnect)
    if success != true {
        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 = "File"
    // This causes the "x-ms-version: 2020-08-04" header to be automatically added.
    azAuth.xMsVersion = "2020-08-04"
    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.

    // Send the GET request to list the shares.
    var responseStr: String? = rest.fullRequestNoBody("GET", uriPath: "/?comp=list")
    if rest.lastMethodSuccess != true {
        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(responseStr)

    print("\(xml.getXml()!)")

    // Here's a sample response:

    // <?xml version="1.0" encoding="utf-8" ?>
    // <EnumerationResults ServiceEndpoint="https://chilkat.file.core.windows.net/">
    //     <Shares>
    //         <Share>
    //             <Name>beardie</Name>
    //             <Properties>
    //                 <Last-Modified>Mon, 26 Jun 2017 21:24:57 GMT</Last-Modified>
    //                 <Etag>"0x8D4BCD9CBD872E5"</Etag>
    //                 <Quota>5120</Quota>
    //             </Properties>
    //         </Share>
    //         <Share>
    //             <Name>pip</Name>
    //             <Properties>
    //                 <Last-Modified>Mon, 26 Jun 2017 21:24:44 GMT</Last-Modified>
    //                 <Etag>"0x8D4BCD9C3D823D1"</Etag>
    //                 <Quota>5120</Quota>
    //             </Properties>
    //         </Share>
    //     </Shares>
    //     <NextMarker />
    // </EnumerationResults>

    // Let's iterate over the file shares
    let lastMod = CkoDateTime()!

    var numShares: Int = xml.numChildren(at: "Shares").intValue
    var i: Int = 0
    while i < numShares {
        print("---- Share \(i) ----")
        xml.i = i
        print("Name: \(xml.getChildContent("Shares|Share[i]|Name")!)")
        lastMod.setFromRfc822(xml.getChildContent("Shares|Share[i]|Properties|Last-Modified"))
        var dt: CkoDtObj? = lastMod.getDtObj(true)
        print("Last-Modified YMD: \(dt!.year.intValue),\(dt!.month.intValue),\(dt!.day.intValue)")
        dt = nil
        i = i + 1
    }

    // Output for the above loop:

    // ---- Share 0 ----
    // Name: beardie
    // Last-Modified YMD: 2017,6,26
    // ---- Share 1 ----
    // Name: pip
    // Last-Modified YMD: 2017,6,26
    // 

    print("Success.")

}