VB.NET

Google Translate Text

See more Google Translate Examples

Demonstrates how to use the Cloud Translation API to translate text from one spoken language to another. The example translates from English to Spanish. VB.NET

Dim success As Boolean = False

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

' --------------------------------------------------------------------------------
' IMPORTANT: 
' Don't forget you need to 1st enable the Cloud Translation API in your Google Developers Console at https://console.cloud.google.com
' --------------------------------------------------------------------------------

' It is assumed we previously obtained an OAuth2 access token.
' This example loads the JSON access token file 
Dim jsonToken As New Chilkat.JsonObject
success = jsonToken.LoadFile("qa_data/tokens/_googleTranslate.json")
If (success <> True) Then
    Debug.WriteLine("Failed to load _googleTranslate.json")
    Exit Sub
End If


Dim http As New Chilkat.Http

http.AuthToken = jsonToken.StringOf("access_token")

' The following JSON is sent in the request body.

' {
'     "q": "The quick brown fox jumped over the lazy dog.",
'     "source": "en",
'     "target": "es",
'     "format": "text"
' }

Dim json As New Chilkat.JsonObject
' The following code creates the JSON request body.
json.UpdateString("q","The quick brown fox jumped over the lazy dog.")
json.UpdateString("source","en")
json.UpdateString("target","es")
json.UpdateString("format","text")

json.EmitCompact = False
Debug.WriteLine(json.Emit())

Dim resp As New Chilkat.HttpResponse
success = http.HttpJson("POST","https://translation.googleapis.com/language/translate/v2",json,"application/json",resp)
If (success = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Dim jResp As New Chilkat.JsonObject
resp.GetBodyJson(jResp)
jResp.EmitCompact = False

Debug.WriteLine("Response Body:")
Debug.WriteLine(jResp.Emit())

Dim respStatusCode As Integer = resp.StatusCode
Debug.WriteLine("Response Status Code = " & respStatusCode)
If (respStatusCode >= 400) Then
    Debug.WriteLine("Response Header:")
    Debug.WriteLine(resp.Header)
    Debug.WriteLine("Failed.")
    Exit Sub
End If


' Sample JSON response:
' (Sample code for parsing the JSON response is shown below)

' {
'   "data": {
'     "translations": [
'       {
'         "translatedText": "El zorro r�pida salt� sobre el perro perezoso."
'       }
'     ]
'   }
' }

Dim translatedText As String

Dim i As Integer = 0
Dim n As Integer = jResp.SizeOfArray("data.translations")
While i < n
    jResp.I = i
    translatedText = jResp.StringOf("data.translations[i].translatedText")
    Debug.WriteLine(translatedText)
    i = i + 1
End While