(VB.NET) Amazon Translate Text

Demonstrates how to use the AWS Translate service to translate text from one language to another.

Chilkat .NET Downloads Chilkat .NET Framework Chilkat for .NET Core

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

Dim rest As New Chilkat.Rest
Dim success As Boolean

Dim authAws As New Chilkat.AuthAws
authAws.AccessKey = "AWS_ACCESS_KEY"
authAws.SecretKey = "AWS_SECRET_KEY"
authAws.Region = "us-west-2"
authAws.ServiceName = "translate"
rest.SetAuthAws(authAws)

' URL: https://translate.us-west-2.amazonaws.com/
Dim bTls As Boolean = True
Dim port As Integer = 443
Dim bAutoReconnect As Boolean = True
success = rest.Connect("translate.us-west-2.amazonaws.com",port,bTls,bAutoReconnect)
If (success <> True) Then
    Debug.WriteLine("ConnectFailReason: " & rest.ConnectFailReason)
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If


' Translate text from English to German
Dim json As New Chilkat.JsonObject
json.UpdateString("SourceLanguageCode","en")
json.UpdateString("TargetLanguageCode","de")
json.UpdateString("Text","This is the text to be translated")

rest.AddHeader("Content-Type","application/x-amz-json-1.1")
rest.AddHeader("X-Amz-Target","AWSShineFrontendService_20170701.TranslateText")

Dim sbRequestBody As New Chilkat.StringBuilder
json.EmitSb(sbRequestBody)
Dim sbResponseBody As New Chilkat.StringBuilder
success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody)
If (success <> True) Then
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If

Dim respStatusCode As Integer = rest.ResponseStatusCode
If (respStatusCode >= 400) Then
    Debug.WriteLine("Response Status Code = " & respStatusCode)
    Debug.WriteLine("Response Header:")
    Debug.WriteLine(rest.ResponseHeader)
    Debug.WriteLine("Response Body:")
    Debug.WriteLine(sbResponseBody.GetAsString())
    Exit Sub
End If


Dim jsonResponse As New Chilkat.JsonObject
jsonResponse.LoadSb(sbResponseBody)
jsonResponse.EmitCompact = False

Debug.WriteLine(jsonResponse.Emit())

' {
'   "SourceLanguageCode": "en",
'   "TargetLanguageCode": "de",
'   "TranslatedText": "Dies ist der zu bersetzende Text"
' }

Debug.WriteLine(jsonResponse.StringOf("TranslatedText"))