(PowerBuilder) S3 List Bucket Objects (using Chilkat REST)

Demonstrates how to fetch a list of objects in an S3 bucket.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

integer li_rc
oleobject loo_Rest
integer li_BTls
integer li_Port
integer li_BAutoReconnect
integer li_Success
oleobject loo_AuthAws
oleobject loo_SbResponse
integer li_StatusCode
oleobject loo_Xml
string ls_Key
string ls_LastModified
string ls_ETag
string ls_SizeDecimalStr
string ls_ID
string ls_DisplayName
string ls_StorageClass
string ls_Name
integer li_MaxKeys
string ls_IsTruncated
integer i
integer li_Count_i

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

loo_Rest = create oleobject
// Use "Chilkat_9_5_0.Rest" for versions of Chilkat < 10.0.0
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.
li_BTls = 1
li_Port = 443
li_BAutoReconnect = 1
li_Success = loo_Rest.Connect("s3.amazonaws.com",li_Port,li_BTls,li_BAutoReconnect)

// ----------------------------------------------------------------------------
// Important: For buckets created in regions outside us-east-1,
// there are three important changes that need to be made.
// See Working with S3 Buckets in Non-us-east-1 Regions for the details.
// ----------------------------------------------------------------------------

// Provide AWS credentials for the REST call.
loo_AuthAws = create oleobject
// Use "Chilkat_9_5_0.AuthAws" for versions of Chilkat < 10.0.0
li_rc = loo_AuthAws.ConnectToNewObject("Chilkat.AuthAws")

loo_AuthAws.AccessKey = "AWS_ACCESS_KEY"
loo_AuthAws.SecretKey = "AWS_SECRET_KEY"
loo_AuthAws.ServiceName = "s3"
li_Success = loo_Rest.SetAuthAws(loo_AuthAws)

//  Set the bucket name via the HOST header.
//  In this case, the bucket name is "chilkat100".
loo_Rest.Host = "chilkat100.s3.amazonaws.com"

loo_SbResponse = create oleobject
// Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
li_rc = loo_SbResponse.ConnectToNewObject("Chilkat.StringBuilder")

li_Success = loo_Rest.FullRequestNoBodySb("GET","/",loo_SbResponse)
if li_Success <> 1 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_Rest
    destroy loo_AuthAws
    destroy loo_SbResponse
    return
end if

li_StatusCode = loo_Rest.ResponseStatusCode
Write-Debug "Response status code = " + string(li_StatusCode)

loo_Xml = create oleobject
// Use "Chilkat_9_5_0.Xml" for versions of Chilkat < 10.0.0
li_rc = loo_Xml.ConnectToNewObject("Chilkat.Xml")

loo_Xml.LoadSb(loo_SbResponse,1)
Write-Debug loo_Xml.GetXml()

if li_StatusCode <> 200 then
    Write-Debug "Failed.  See error information in the XML."
    destroy loo_Rest
    destroy loo_AuthAws
    destroy loo_SbResponse
    destroy loo_Xml
    return
end if

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

ls_Name = loo_Xml.GetChildContent("Name")
li_MaxKeys = loo_Xml.GetChildIntValue("MaxKeys")
ls_IsTruncated = loo_Xml.GetChildContent("IsTruncated")
i = 0
li_Count_i = loo_Xml.NumChildrenHavingTag("Contents")
do while i < li_Count_i
    loo_Xml.I = i
    ls_Key = loo_Xml.GetChildContent("Contents[i]|Key")
    ls_LastModified = loo_Xml.GetChildContent("Contents[i]|LastModified")
    ls_ETag = loo_Xml.GetChildContent("Contents[i]|ETag")
    ls_SizeDecimalStr = loo_Xml.GetChildContent("Contents[i]|Size")
    ls_ID = loo_Xml.GetChildContent("Contents[i]|Owner|ID")
    ls_DisplayName = loo_Xml.GetChildContent("Contents[i]|Owner|DisplayName")
    ls_StorageClass = loo_Xml.GetChildContent("Contents[i]|StorageClass")
    i = i + 1
loop


destroy loo_Rest
destroy loo_AuthAws
destroy loo_SbResponse
destroy loo_Xml