PowerBuilder

S3 Rename File

See more Amazon S3 (new) Examples

Demonstrates how to rename a file on Amazon S3.

Renaming an object (file) in AWS S3 using the AWS S3 API involves copying the object to a new location with the desired name and then deleting the original object.

PowerBuilder

integer li_rc
integer li_Success
oleobject loo_Rest
integer li_BTls
integer li_Port
integer li_BAutoReconnect
oleobject loo_AuthAws
oleobject loo_SbResponse
integer li_StatusCode

li_Success = 0

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

loo_Rest = create oleobject
li_rc = loo_Rest.ConnectToNewObject("Chilkat.Rest")
if li_rc < 0 then
    destroy loo_Rest
    MessageBox("Error","Connecting to COM object failed")
    return
end if

// Connect to the Amazon AWS REST server in the desired region.
li_BTls = 1
li_Port = 443
li_BAutoReconnect = 1
li_Success = loo_Rest.Connect("s3-us-west-2.amazonaws.com",li_Port,li_BTls,li_BAutoReconnect)

// Provide AWS credentials.
loo_AuthAws = create oleobject
li_rc = loo_AuthAws.ConnectToNewObject("Chilkat.AuthAws")

loo_AuthAws.AccessKey = "AWS_ACCESS_KEY"
loo_AuthAws.SecretKey = "AWS_SECRET_KEY"
loo_AuthAws.ServiceName = "s3"

// This particular bucket is in the Oregon region, as opposed to the US Standard,
// therefore the Region must be set appropriately.
// Also note that we connected to "s3-us-west-2.amazonaws.com".
loo_AuthAws.Region = "us-west-2"

loo_Rest.SetAuthAws(loo_AuthAws)

// Set the bucket name via the HOST header.
// In this case, the bucket name is "chilkat.qa".
// Note that the Host header should use "bucketName.s3.amazonaws.com", not "bucketName.s3-us-west-2.amazonaws.com"
loo_Rest.Host = "chilkat.qa.s3.amazonaws.com"

// Copy /images/sea_creatures/starfish.jpg to /images/sea_creatures/starfish3.jpg
// Notice here that the x-amz-copy-source includes the bucket in the source path,
// but the target path passed to FullRequestNoBody does NOT contain the bucket (because the bucket
// was already specified in the Host header).
loo_Rest.AddHeader("x-amz-copy-source","/chilkat.qa/images/sea_creatures/starfish.jpg")

loo_SbResponse = create oleobject
li_rc = loo_SbResponse.ConnectToNewObject("Chilkat.StringBuilder")

li_Success = loo_Rest.FullRequestNoBodySb("PUT","/images/sea_creatures/starfish3.jpg",loo_SbResponse)
if li_Success = 0 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_Rest
    destroy loo_AuthAws
    destroy loo_SbResponse
    return
end if

// When successful, the S3 Storage service will respond with a 200 or 204 response code,
// with an XML body.  
if loo_Rest.ResponseStatusCode <> 200 then
    // Examine the request/response to see what happened.
    Write-Debug "response status code = " + string(loo_Rest.ResponseStatusCode)
    Write-Debug "response status text = " + loo_Rest.ResponseStatusText
    Write-Debug "response header: " + loo_Rest.ResponseHeader
    Write-Debug "response body: " + loo_SbResponse.GetAsString()
    Write-Debug "---"
    Write-Debug "LastRequestStartLine: " + loo_Rest.LastRequestStartLine
    Write-Debug "LastRequestHeader: " + loo_Rest.LastRequestHeader
end if

Write-Debug loo_SbResponse.GetAsString()
Write-Debug "Copy Successful."

// --------------------------------------
// Now we can delete the original file..
// --------------------------------------

// We no longer want to send the x-amz-copy-source header.  Remove it.
loo_Rest.RemoveHeader("x-amz-copy-source")

li_Success = loo_Rest.FullRequestNoBodySb("DELETE","/images/sea_creatures/starfish.jpg",loo_SbResponse)
if li_Success = 0 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_Rest
    destroy loo_AuthAws
    destroy loo_SbResponse
    return
end if

// If successfully deleted, the response status code is 204 and the response body text will be empty.
li_StatusCode = loo_Rest.ResponseStatusCode
Write-Debug "Response status code = " + string(li_StatusCode)
Write-Debug "Response text = "
Write-Debug loo_SbResponse.GetAsString()


destroy loo_Rest
destroy loo_AuthAws
destroy loo_SbResponse