(Xojo Plugin) Upload File with User-Defined Metadata

Demonstrates how to upload a file with user-defined metadata to the Amazon S3 service.

Chilkat Xojo Plugin Download Xojo Plugin for Windows, Linux, Mac OS X, and ARM, ARM64

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

Dim http As New Chilkat.Http

// Insert your AWS keys here:
http.AwsAccessKey = "AWS_ACCESS_KEY"
http.AwsSecretKey = "AWS_SECRET_KEY"

Dim bucketName As String
bucketName = "chilkat.ocean"
Dim objectName As String
objectName = "seahorse.jpg"
Dim localFilePath As String
localFilePath = "qa_data/jpg/seahorse.jpg"
Dim contentType As String
contentType = "image/jpg"

// User-defined metadata are name/value pairs, and are added to the HTTP request header.
// Header names must begin with "x-amz-meta-" to distinguish them from other HTTP headers.
// Note that Amazon S3 stores user-defined metadata keys in lowercase.

// For example, to add genus=Hippocampus, we do this:
http.SetRequestHeader "x-amz-meta-genus","Hippocampus"

// Add a few more user-metadata key pairs.
http.SetRequestHeader "x-amz-meta-species","big-belly seahorse"
http.SetRequestHeader "x-amz-meta-habitat","shallow tropical and temperate waters"

Dim success As Boolean
success = http.S3_UploadFile(localFilePath,contentType,bucketName,objectName)

If (success <> True) Then
    System.DebugLog(http.LastErrorText)
Else
    System.DebugLog("File uploaded.")
End If