Xbase++

S3 Add Tags to an Object

See more Amazon S3 (new) Examples

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

LOCAL nSuccess
LOCAL oRest
LOCAL nBTls
LOCAL nPort
LOCAL nBAutoReconnect
LOCAL oAuthAws
LOCAL oXml
LOCAL oSbRequestBody
LOCAL oSbResponse

nSuccess := 0

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

oRest := CreateObject("Chilkat.Rest")

//  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")
nBTls := 1
nPort := 443
nBAutoReconnect := 1
nSuccess := oRest:Connect("s3.amazonaws.com", nPort, nBTls, nBAutoReconnect)

//  Provide AWS credentials.
oAuthAws := CreateObject("Chilkat.AuthAws")
oAuthAws:AccessKey := "AWS_ACCESS_KEY"
oAuthAws:SecretKey := "AWS_SECRET_KEY"
oAuthAws:ServiceName := "s3"
oAuthAws:Region := "us-east-1"

oRest:SetAuthAws(oAuthAws)

//  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.
oRest:Host := "chilkat100.s3.amazonaws.com"

oXml := CreateObject("Chilkat.Xml")
oXml:Tag := "Tagging"
oXml:UpdateChildContent("TagSet|Tag|Key", "plant")
oXml:UpdateChildContent("TagSet|Tag|Value", "chili pepper")

oSbRequestBody := CreateObject("Chilkat.StringBuilder")
oXml:GetXmlSb(oSbRequestBody)

//  It is important to add the terminating "=" after the "?tagging".
oSbResponse := CreateObject("Chilkat.StringBuilder")
nSuccess := oRest:FullRequestSb("PUT", "/chiliPepper.gif?tagging=", oSbRequestBody, oSbResponse)
IF (nSuccess == 0)
    ? oRest:LastErrorText
    oRest:destroy()
    oAuthAws:destroy()
    oXml:destroy()
    oSbRequestBody:destroy()
    oSbResponse:destroy()
    RETURN
ENDIF

? "Response status code: " + Str(oRest:ResponseStatusCode)

//  When successful, the S3 Storage service will respond with a 200 response code,
//  with an XML body.  
IF (oRest:ResponseStatusCode != 200)
    //  Examine the request/response to see what happened.
    ? "response status code = " + Str(oRest:ResponseStatusCode)
    ? "response status text = " + oRest:ResponseStatusText
    ? "response header: " + oRest:ResponseHeader
    ? "response body: " + oSbResponse:GetAsString()
    ? "---"
    ? "LastRequestStartLine: " + oRest:LastRequestStartLine
    ? "LastRequestHeader: " + oRest:LastRequestHeader
ENDIF

? oSbResponse:GetAsString()
? "Success."

oRest:destroy()
oAuthAws:destroy()
oXml:destroy()
oSbRequestBody:destroy()
oSbResponse:destroy()