(Swift 2) Glacier Initiate Archive Retrieval Job

Demonstrates how to initiate an archive retrieval job to download an archive.

Note: This example requires Chilkat v9.5.0.78 or greater.

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

    // The body of our request will contain this JSON:
    // {
    //   "Type": "archive-retrieval",
    //   "ArchiveId": "NkbByEejwEggmBz2fTHgJrg0XBoDfjP4q6iu87-TjhqG6eGoOY9Z8i1_AUyUsuhPAdTqLHy8pTl5nfCFJmDl2yEZONi5L26Omw12vcs01MNGntHEQL8MBfGlqrEXAMPLEArchiveId"
    //   "Description": "My archive description",
    //   "SNSTopic": "arn:aws:sns:us-west-2:111111111111:Glacier-ArchiveRetrieval-topic-Example",
    //   "Tier" : "Bulk"
    // }

    // Use this online tool to generate the code from sample JSON: 
    // Generate Code to Create JSON

    let json = CkoJsonObject()
    json.UpdateString("Type", value: "archive-retrieval")
    json.UpdateString("ArchiveId", value: "ARCHIVE_ID")
    json.UpdateString("Description", value: "My archive description")
    // Possible tiers are Bulk, Standard, and Expedited.
    json.UpdateString("Tier", value: "Bulk")
    // The SNSTopic is optional.  If included, then notification is sent to the SNS topic when the job is complete.
    // This example will omit the SNSTopic.

    let sbRequestBody = CkoStringBuilder()
    json.EmitSb(sbRequestBody)
    let sbResponseBody = CkoStringBuilder()

    // Start an archive retrieval in for the vault named "chilkat".
    success = rest.FullRequestSb("POST", uriPath: "/AWS_ACCOUNT_ID/vaults/chilkat/jobs", requestBody: sbRequestBody, responseBody: 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 202 response status with an empty response body.
    print("response status code = \(respStatusCode)")

    // If successful, the response header looks like this.
    // The Location and x-amz-job-id are two items of information we may wish to save..

    // HTTP/1.1 202 Accepted
    // x-amzn-RequestId: AAABZpJrTyioDC_HsOmHae8EZp_uBSJr6cnGOLKp_XJCl-Q
    // Date: Wed, 10 Feb 2017 12:00:00 GMT 
    // Location: /111122223333/vaults/examplevault/jobs/HkF9p6o7yjhFx-K3CGl6fuSm6VzW9T7esGQfco8nUXVYwS0jlb5gq1JZ55yHgt5vP54ZShjoQzQVVh7vEXAMPLEjobID
    // x-amz-job-id: HkF9p6o7yjhFx-K3CGl6fuSm6VzW9T7esGQfco8nUXVYwS0jlb5gq1JZ55yHgt5vP54ZShjoQzQVVh7vEXAMPLEjobID
    // 

    var jobId: String? = rest.ResponseHdrByName("x-amz-job-id")
    print("x-amz-job-id = \(jobId!)")

    var location: String? = rest.ResponseHdrByName("Location")
    print("Location = \(location!)")

}