(Swift 3,4,5...) Amazon Glacier Describe Vault

Returns information about a vault, including the vault Amazon Resource Name (ARN), the date the vault was created, the number of archives contained within the vault, and the total size of all the archives in the vault...

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func chilkatTest() {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    let rest = CkoRest()!

    // Connect to the Amazon AWS REST server in the desired region.
    var bTls: Bool = true
    var port: Int = 443
    var bAutoReconnect: Bool = true
    var success: Bool = rest.connect("glacier.us-west-2.amazonaws.com", port: port, tls: bTls, autoReconnect: bAutoReconnect)

    // Provide AWS credentials.
    let authAws = CkoAuthAws()!
    authAws.accessKey = "AWS_ACCESS_KEY"
    authAws.secretKey = "AWS_SECRET_KEY"
    authAws.serviceName = "glacier"
    authAws.region = "us-west-2"

    success = rest.setAuthAws(authAws)

    // --------------------------------------------------------------------------
    // Note: The above REST connection and setup of the AWS credentials
    // can be done once.  After connecting, any number of REST calls can be made.
    // The "auto reconnect" property passed to rest.Connect indicates that if
    // the connection is lost, a REST method call will automatically reconnect
    // if needed.
    // --------------------------------------------------------------------------

    // 
    // For more information, see Glacier Describe Vault Reference Documentation
    // 
    rest.addHeader("x-amz-glacier-version", value: "2012-06-01")

    // Describe the "chilkat" vault
    let sbResponseBody = CkoStringBuilder()!
    success = rest.fullRequestNoBodySb("GET", uriPath: "/AWS_ACCOUNT_ID/vaults/chilkat", sb: sbResponseBody)
    if success != true {
        print("\(rest.lastErrorText!)")
        return
    }

    var respStatusCode: Int = rest.responseStatusCode.intValue
    if respStatusCode >= 400 {
        print("Response Status Code = \(respStatusCode)")
        print("Response Header:")
        print("\(rest.responseHeader!)")
        print("Response Body:")
        print("\(sbResponseBody.getAsString()!)")
        return
    }

    // Success is indicated by a 200 response status with an empty response body.
    print("response status code = \(respStatusCode)")

    let json = CkoJsonObject()!
    json.loadSb(sbResponseBody)
    json.emitCompact = false

    print("\(json.emit()!)")

    // Use this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON

    var CreationDate: String?
    var LastInventoryDate: String?
    var NumberOfArchives: Int
    var SizeInBytes: Int
    var VaultARN: String?
    var VaultName: String?

    CreationDate = json.string(of: "CreationDate")
    LastInventoryDate = json.string(of: "LastInventoryDate")
    NumberOfArchives = json.int(of: "NumberOfArchives").intValue
    SizeInBytes = json.int(of: "SizeInBytes").intValue
    VaultARN = json.string(of: "VaultARN")
    VaultName = json.string(of: "VaultName")

    // Sample response
    // 
    // {
    //   "CreationDate": "2019-04-05T19:10:28.428Z",
    //   "LastInventoryDate": null,
    //   "NumberOfArchives": 0,
    //   "SizeInBytes": 0,
    //   "VaultARN": "arn:aws:glacier:us-west-2:954491834127:vaults/chilkat",
    //   "VaultName": "chilkat"
    // }
    // 

}