(Swift 2) S3 Add Tags to an Object

See more Amazon S3 (new) Examples

Demonstrates how to add one or more tags to an S3 object.

For more information, see https://docs.aws.amazon.com/AmazonS3/latest/API/API_PutObjectTagging.html

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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.
    // (for us-east-1, we use "s3.amazonaws.com", but for another region, such as us-west-2, we would use "s3-us-west-2.amazonaws.com")
    var bTls: Bool = true
    var port: Int = 443
    var bAutoReconnect: Bool = true
    var success: Bool = rest.Connect("s3.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 = "s3"
    authAws.Region = "us-east-1"

    rest.SetAuthAws(authAws)

    // Set the bucket name via the HOST header.
    // In this case, the bucket name is "chilkat100".
    // Note that the Host header should use "bucketName.s3.amazonaws.com", not "bucketName.s3-us-east-1.amazonaws.com"
    // The same applies to aother regions.  The Host header should simply be <bucketName>.s3.amazonaws.com regardless of the region.
    rest.Host = "chilkat100.s3.amazonaws.com"

    let xml = CkoXml()
    xml.Tag = "Tagging"
    xml.UpdateChildContent("TagSet|Tag|Key", value: "plant")
    xml.UpdateChildContent("TagSet|Tag|Value", value: "chili pepper")

    let sbRequestBody = CkoStringBuilder()
    xml.GetXmlSb(sbRequestBody)

    // It is important to add the terminating "=" after the "?tagging".
    let sbResponse = CkoStringBuilder()
    success = rest.FullRequestSb("PUT", uriPath: "/chiliPepper.gif?tagging=", requestBody: sbRequestBody, responseBody: sbResponse)
    if success == false {
        print("\(rest.LastErrorText)")
        return
    }

    print("Response status code: \(rest.ResponseStatusCode.intValue)")

    // When successful, the S3 Storage service will respond with a 200 response code,
    // with an XML 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: \(sbResponse.GetAsString())")
        print("---")
        print("LastRequestStartLine: \(rest.LastRequestStartLine)")
        print("LastRequestHeader: \(rest.LastRequestHeader)")
    }

    print("\(sbResponse.GetAsString())")
    print("Success.")

}