(Swift 3,4,5...) Glacier Get Job Information and Status

Demonstrates how to get information and status for a glacier job.

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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 Job Reference Documentation
    // 
    rest.addHeader("x-amz-glacier-version", value: "2012-06-01")

    let sbResponseBody = CkoStringBuilder()!
    success = rest.fullRequestNoBodySb("GET", uriPath: "/AWS_ACCOUNT_ID/vaults/chilkat/jobs/JOB_ID", 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.
    print("response status code = \(respStatusCode)")

    let json = CkoJsonObject()!
    json.loadSb(sbResponseBody)
    json.emitCompact = false
    print("\(json.emit()!)")

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

    // {
    //   "Action": "InventoryRetrieval",
    //   "ArchiveId": null,
    //   "ArchiveSHA256TreeHash": null,
    //   "ArchiveSizeInBytes": null,
    //   "Completed": false,
    //   "CompletionDate": null,
    //   "CreationDate": "2019-04-09T22:48:48.700Z",
    //   "InventoryRetrievalParameters": {
    //     "EndDate": null,
    //     "Format": "CSV",
    //     "Limit": null,
    //     "Marker": null,
    //     "StartDate": null
    //   },
    //   "InventorySizeInBytes": null,
    //   "JobDescription": "My inventory job",
    //   "JobId": "E-mCnb3j122yvz5PRFGzETmFVXVrkX_pgI8PIuwBKNRyI8pAJqIetKwzkJC5a6blIvYZrrVohiBENQVhZE1a-K-x-uRO",
    //   "JobOutputPath": null,
    //   "OutputLocation": null,
    //   "RetrievalByteRange": null,
    //   "SHA256TreeHash": null,
    //   "SNSTopic": null,
    //   "SelectParameters": null,
    //   "StatusCode": "InProgress",
    //   "StatusMessage": null,
    //   "Tier": null,
    //   "VaultARN": "arn:aws:glacier:us-west-2:954491834127:vaults/chilkat"
    // }
    // 

    var Action: String?
    var ArchiveId: String?
    var ArchiveSHA256TreeHash: String?
    var ArchiveSizeInBytes: String?
    var Completed: Bool
    var CompletionDate: String?
    var CreationDate: String?
    var InventoryRetrievalParametersEndDate: String?
    var InventoryRetrievalParametersFormat: String?
    var InventoryRetrievalParametersLimit: String?
    var InventoryRetrievalParametersMarker: String?
    var InventoryRetrievalParametersStartDate: String?
    var InventorySizeInBytes: String?
    var JobDescription: String?
    var JobId: String?
    var JobOutputPath: String?
    var OutputLocation: String?
    var RetrievalByteRange: String?
    var SHA256TreeHash: String?
    var SNSTopic: String?
    var SelectParameters: String?
    var StatusCode: String?
    var StatusMessage: String?
    var Tier: String?
    var VaultARN: String?

    Action = json.string(of: "Action")
    ArchiveId = json.string(of: "ArchiveId")
    ArchiveSHA256TreeHash = json.string(of: "ArchiveSHA256TreeHash")
    ArchiveSizeInBytes = json.string(of: "ArchiveSizeInBytes")
    Completed = json.bool(of: "Completed")
    CompletionDate = json.string(of: "CompletionDate")
    CreationDate = json.string(of: "CreationDate")
    InventoryRetrievalParametersEndDate = json.string(of: "InventoryRetrievalParameters.EndDate")
    InventoryRetrievalParametersFormat = json.string(of: "InventoryRetrievalParameters.Format")
    InventoryRetrievalParametersLimit = json.string(of: "InventoryRetrievalParameters.Limit")
    InventoryRetrievalParametersMarker = json.string(of: "InventoryRetrievalParameters.Marker")
    InventoryRetrievalParametersStartDate = json.string(of: "InventoryRetrievalParameters.StartDate")
    InventorySizeInBytes = json.string(of: "InventorySizeInBytes")
    JobDescription = json.string(of: "JobDescription")
    JobId = json.string(of: "JobId")
    JobOutputPath = json.string(of: "JobOutputPath")
    OutputLocation = json.string(of: "OutputLocation")
    RetrievalByteRange = json.string(of: "RetrievalByteRange")
    SHA256TreeHash = json.string(of: "SHA256TreeHash")
    SNSTopic = json.string(of: "SNSTopic")
    SelectParameters = json.string(of: "SelectParameters")
    StatusCode = json.string(of: "StatusCode")
    StatusMessage = json.string(of: "StatusMessage")
    Tier = json.string(of: "Tier")
    VaultARN = json.string(of: "VaultARN")

}